shp.js

!function(e){if("object"==typeof exports)module.exports=e();else if("function"==typeof define&&define.amd)define(e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.shp=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(_dereq_,module,exports){
var promise = _dereq_('lie');
function binaryAjax(url){
  return promise(function(resolve,reject){
    var type = url.slice(-3);
    var ajax = new XMLHttpRequest();
    ajax.open("GET",url,true);
    if(type !== 'prj'){
      ajax.responseType='arraybuffer';
    }
    ajax.addEventListener("load",function(){
      if(ajax.status>399){
        if(type==='prj'){
          return resolve(false);
        }else{
          return reject(new Error(ajax.status));
        }
      }
      resolve(ajax.response);
    }, false);
    ajax.send();
  });
}
module.exports = binaryAjax;

},{"lie":31}],2:[function(_dereq_,module,exports){
var proj4 = _dereq_('proj4');
var unzip = _dereq_('./unzip');
var binaryAjax = _dereq_('./binaryajax');
var all = _dereq_('lie-all');
var parseShp = _dereq_('./parseShp');
var parseDbf = _dereq_('parsedbf');
var promise = _dereq_('lie');

function shp(base, whiteList) {
  return shp.getShapefile(base, whiteList);
}
shp.combine = function(arr) {
  var out = {};
  out.type = "FeatureCollection";
  out.features = [];
  var i = 0;
  var len = arr[0].length;
  while (i < len) {
    out.features.push({
      "type": "Feature",
      "geometry": arr[0][i],
      "properties": arr[1][i]
    });
    i++;
  }
  return out;
};
shp.parseZip = function(buffer, whiteList) {
  var key;
  var zip = unzip(buffer);
  var names = [];
  whiteList = whiteList || [];
  for (key in zip) {
    if (key.slice(-3).toLowerCase() === "shp") {
      names.push(key.slice(0, - 4));
    }
    else if (key.slice(-3).toLowerCase() === "dbf") {
      zip[key] = parseDbf(zip[key]);
    }
    else if (key.slice(-3).toLowerCase() === "prj") {
      zip[key] = proj4(zip[key]);
    }
    else if (key.slice(-4).toLowerCase() === "json" || whiteList.indexOf(key.split('.').pop()) > -1) {
      names.push(key);
    }
  }
  if (!names.length) {
    throw new Error('no layers founds');
  }
  var geojson = names.map(function(name) {
    var parsed;
    if (name.slice(-4).toLowerCase() === "json") {
      parsed = JSON.parse(zip[name]);
      parsed.fileName = name.slice(0, name.lastIndexOf('.'));
    }
    else if (whiteList.indexOf(name.slice(name.lastIndexOf('.') + 1)) > -1) {
      parsed = zip[name];
      parsed.fileName = name;
    }
    else {
      parsed = shp.combine([parseShp(zip[name + '.shp'], zip[name + '.prj']), zip[name + '.dbf']]);
      parsed.fileName = name;
    }
    return parsed;
  });
  if (geojson.length === 1) {
    return geojson[0];
  }
  else {
    return geojson;
  }
};

function getZip(base, whiteList) {
  return binaryAjax(base).then(function(a) {
    return shp.parseZip(a, whiteList);
  });
}
shp.getShapefile = function(base, whiteList) {
  if (typeof base === 'string') {
    if (base.slice(-4) === '.zip') {
      return getZip(base, whiteList);
    }
    else {
      return all([
        all([
        binaryAjax(base + '.shp'),
        binaryAjax(base + '.prj')]).then(function(args) {
          return parseShp(args[0], args[1] ? proj4(args[1]) : false);
        }),
        binaryAjax(base + '.dbf').then(parseDbf)
      ]).then(shp.combine);
    }
  }
  else {
    return promise(function(resolve) {
      resolve(shp.parseZip(base));
    });
  }
};
module.exports = shp;

},{"./binaryajax":1,"./parseShp":3,"./unzip":4,"lie":31,"lie-all":25,"parsedbf":41,"proj4":76}],3:[function(_dereq_,module,exports){

function isClockWise(array){
  var sum = 0;
  var i = 1;
  var len = array.length;
  var prev,cur;
  while(i<len){
    prev = cur||array[0];
    cur = array[i];
    sum += ((cur[0]-prev[0])*(cur[1]+prev[1]));
    i++;
  }
  return sum > 0;
}
function polyReduce(a,b){
  if(isClockWise(b)||!a.length){
    a.push([b]);
  }else{
    a[a.length-1].push(b);
  }
  return a;
}
ParseShp.prototype.parsePoint = function (data){
  return {
    "type": "Point",
    "coordinates":this.parseCoord(data,0)
  };
};
ParseShp.prototype.parseZPoint = function (data){
  var pointXY = this.parsePoint(data);
  pointXY.coordinates.push(this.parseCoord(data,16));
  return pointXY;
};
ParseShp.prototype.parsePointArray = function (data,offset,num){
  var out = [];
  var done = 0;
  while(done<num){
    out.push(this.parseCoord(data,offset));
    offset += 16;
    done++;
  }
  return out;
};
ParseShp.prototype.parseZPointArray = function (data,zOffset,num,coordinates){
  var i = 0;
  while(i<num){
    coordinates[i].push(data.getFloat64(zOffset,true));
    i++;
    zOffset += 8;
  }
  return coordinates;
};
ParseShp.prototype.parseArrayGroup = function (data,offset,partOffset,num,tot){
  var out = [];
  var done = 0;
  var curNum,nextNum=0,pointNumber;
  while(done<num){
    done++;
    partOffset += 4;
    curNum = nextNum;
    if(done===num){
      nextNum = tot;
    }else{
      nextNum = data.getInt32(partOffset,true);
    }
    pointNumber = nextNum - curNum;
    if(!pointNumber){
      continue;
    }
    out.push(this.parsePointArray(data,offset,pointNumber));
    offset += (pointNumber<<4);
  }
  return out;
};
ParseShp.prototype.parseZArrayGroup = function(data,zOffset,num,coordinates){
  var i = 0;
  while(i<num){
    coordinates[i] = this.parseZPointArray(data,zOffset,coordinates[i].length,coordinates[i]);
    zOffset += (coordinates[i].length<<3);
    i++;
  }
  return coordinates;
};
ParseShp.prototype.parseMultiPoint = function (data){
  var out = {};
  out.bbox = [
    data.getFloat64(0,true),
    data.getFloat64(8,true),
    data.getFloat64(16,true),
    data.getFloat64(24,true)
  ];
  var num = data.getInt32(32,true);
  var offset = 36;
  if(num===1){
    out.type = "Point";
    out.coordinates = this.parseCoord(data,offset);
  }else{
    out.type = "MultiPoint";
    out.coordinates = this.parsePointArray(data,offset,num);
  }
  return out;
};
ParseShp.prototype.parseZMultiPoint = function(data){
  var geoJson = this.parseMultiPoint(data);
  var num;
  if(geoJson.type === "Point"){
    geoJson.coordinates.push(data.getFloat64(72,true));
    return geoJson;
  }else{
    num = geoJson.coordinates.length;
  }
  var zOffset = 56 + (num<<4);
  geoJson.coordinates =  this.parseZPointArray(data,zOffset,num,geoJson.coordinates);
  return geoJson;
};
ParseShp.prototype.parsePolyline = function (data){
  var out = {};
  out.bbox = [
    data.getFloat64(0,true),
    data.getFloat64(8,true),
    data.getFloat64(16,true),
    data.getFloat64(24,true)
  ];
  var numParts = data.getInt32(32,true);
  var num = data.getInt32(36,true);
  var offset,partOffset;
  if(numParts === 1){
    out.type = "LineString";
    offset = 44;
    out.coordinates = this.parsePointArray(data,offset,num);
  }else{
    out.type = "MultiLineString";
    offset = 40 + (numParts<<2);
    partOffset = 40;
    out.coordinates = this.parseArrayGroup(data,offset,partOffset,numParts,num);
  }
  return out;
};
ParseShp.prototype.parseZPolyline = function(data){
  var geoJson = this.parsePolyline(data);
  var num = geoJson.coordinates.length;
  var zOffset = 60 + (num<<4);
  if(geoJson.type === "LineString"){
    geoJson.coordinates =  this.parseZPointArray(data,zOffset,num,geoJson.coordinates);
    return geoJson;
  }else{
    geoJson.coordinates =  this.parseZArrayGroup(data,zOffset,num,geoJson.coordinates);
    return geoJson;
  }
};
ParseShp.prototype.polyFuncs = function (out){
  if(out.type === "LineString"){
    out.type = "Polygon";
    out.coordinates = [out.coordinates];
    return out;
  }else{
    out.coordinates = out.coordinates.reduce(polyReduce,[]);
    if(out.coordinates.length === 1){
      out.type = "Polygon";
      out.coordinates = out.coordinates[0];
      return out;
    }else{
      out.type = "MultiPolygon";
      return out;
    }
  }
};
ParseShp.prototype.parsePolygon = function (data){
  return this.polyFuncs(this.parsePolyline(data));
};
ParseShp.prototype.parseZPolygon = function(data){
  return this.polyFuncs(this.parseZPolyline(data));
};
var shpFuncObj = {
  1:'parsePoint',
  3:'parsePolyline',
  5:'parsePolygon',
  8:'parseMultiPoint',
  11:'parseZPoint',
  13:'parseZPolyline',
  15:'parseZPolygon',
  18:'parseZMultiPoint'
};



function makeParseCoord(trans){
  if(trans){
    return function(data,offset){
      return trans.inverse([data.getFloat64(offset,true),data.getFloat64(offset+8,true)]);
    };
  }else{
    return function(data,offset){
      return [data.getFloat64(offset,true),data.getFloat64(offset+8,true)];
    };
  }
}
function ParseShp(buffer,trans){
  if(!(this instanceof ParseShp)){
    return new ParseShp(buffer,trans);
  }
  this.buffer = buffer;
  this.shpFuncs(trans);
  this.rows = this.getRows();
}
ParseShp.prototype.shpFuncs = function (tran){
  var num = this.getShpCode();
  if(num>20){
    num -= 20;
  }
  if(!(num in shpFuncObj)){
    throw new Error("I don't know that shp type");
  }
  this.parseFunc = this[shpFuncObj[num]];
  this.parseCoord = makeParseCoord(tran);
};
ParseShp.prototype.getShpCode = function(){
  return this.parseHeader().shpCode;
};
ParseShp.prototype.parseHeader = function (){
  var view = new DataView(this.buffer,0,100) ;
  return {
    length : view.getInt32(6<<2,false),
    version : view.getInt32(7<<2,true),
    shpCode : view.getInt32(8<<2,true),
    bbox : [
      view.getFloat64(9<<2,true),
      view.getFloat64(11<<2,true),
      view.getFloat64(13<<2,true),
      view.getFloat64(13<<2,true)
    ]
  };
};
ParseShp.prototype.getRows = function(){
  var offset=100;
  var len = this.buffer.byteLength;
  var out = [];
  var current;
  while(offset<len){
    current = this.getRow(offset);
    offset += 8;
    offset += current.len;
    if(current.type){
      out.push(this.parseFunc(current.data));
    }
  }
  return out;
};
ParseShp.prototype.getRow = function(offset){
  var view = new DataView(this.buffer,offset,12);
  var len = view.getInt32(4,false)<<1;
  var data = new DataView(this.buffer,offset+12,len-4);
  
  return {
    id:view.getInt32(0,false),
    len:len,
    data:data,
    type:view.getInt32(8,true)
  };
};
module.exports = function(buffer,trans){
  return ParseShp(buffer,trans).rows;
};
},{}],4:[function(_dereq_,module,exports){
var JSZip = _dereq_('jszip');
module.exports = function(buffer) {
  var zip = new JSZip(buffer);
  var files = zip.file(/.+/);
  var out = {};
  files.forEach(function(a) {
    if (a.name.slice(-3).toLowerCase() === "shp" || a.name.slice(-3).toLowerCase() === "dbf") {
      out[a.name] = a.asText();
      out[a.name] = a.asArrayBuffer();
    }
    else {
      out[a.name] = a.asText();
    }
  });
  return out;
};

},{"jszip":13}],5:[function(_dereq_,module,exports){

},{}],6:[function(_dereq_,module,exports){
// shim for using process in browser

var process = module.exports = {};

process.nextTick = (function () {
    var canSetImmediate = typeof window !== 'undefined'
    && window.setImmediate;
    var canPost = typeof window !== 'undefined'
    && window.postMessage && window.addEventListener
    ;

    if (canSetImmediate) {
        return function (f) { return window.setImmediate(f) };
    }

    if (canPost) {
        var queue = [];
        window.addEventListener('message', function (ev) {
            var source = ev.source;
            if ((source === window || source === null) && ev.data === 'process-tick') {
                ev.stopPropagation();
                if (queue.length > 0) {
                    var fn = queue.shift();
                    fn();
                }
            }
        }, true);

        return function nextTick(fn) {
            queue.push(fn);
            window.postMessage('process-tick', '*');
        };
    }

    return function nextTick(fn) {
        setTimeout(fn, 0);
    };
})();

process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];

process.binding = function (name) {
    throw new Error('process.binding is not supported');
}

// TODO(shtylman)
process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};

},{}],7:[function(_dereq_,module,exports){
'use strict';
// private property
var _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";


// public method for encoding
exports.encode = function(input, utf8) {
    var output = "";
    var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
    var i = 0;

    while (i < input.length) {

        chr1 = input.charCodeAt(i++);
        chr2 = input.charCodeAt(i++);
        chr3 = input.charCodeAt(i++);

        enc1 = chr1 >> 2;
        enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
        enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
        enc4 = chr3 & 63;

        if (isNaN(chr2)) {
            enc3 = enc4 = 64;
        }
        else if (isNaN(chr3)) {
            enc4 = 64;
        }

        output = output + _keyStr.charAt(enc1) + _keyStr.charAt(enc2) + _keyStr.charAt(enc3) + _keyStr.charAt(enc4);

    }

    return output;
};

// public method for decoding
exports.decode = function(input, utf8) {
    var output = "";
    var chr1, chr2, chr3;
    var enc1, enc2, enc3, enc4;
    var i = 0;

    input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

    while (i < input.length) {

        enc1 = _keyStr.indexOf(input.charAt(i++));
        enc2 = _keyStr.indexOf(input.charAt(i++));
        enc3 = _keyStr.indexOf(input.charAt(i++));
        enc4 = _keyStr.indexOf(input.charAt(i++));

        chr1 = (enc1 << 2) | (enc2 >> 4);
        chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
        chr3 = ((enc3 & 3) << 6) | enc4;

        output = output + String.fromCharCode(chr1);

        if (enc3 != 64) {
            output = output + String.fromCharCode(chr2);
        }
        if (enc4 != 64) {
            output = output + String.fromCharCode(chr3);
        }

    }

    return output;

};

},{}],8:[function(_dereq_,module,exports){
'use strict';
function CompressedObject() {
    this.compressedSize = 0;
    this.uncompressedSize = 0;
    this.crc32 = 0;
    this.compressionMethod = null;
    this.compressedContent = null;
}

CompressedObject.prototype = {
    /**
     * Return the decompressed content in an unspecified format.
     * The format will depend on the decompressor.
     * @return {Object} the decompressed content.
     */
    getContent: function() {
        return null; // see implementation
    },
    /**
     * Return the compressed content in an unspecified format.
     * The format will depend on the compressed conten source.
     * @return {Object} the compressed content.
     */
    getCompressedContent: function() {
        return null; // see implementation
    }
};
module.exports = CompressedObject;

},{}],9:[function(_dereq_,module,exports){
'use strict';
exports.STORE = {
    magic: "\x00\x00",
    compress: function(content) {
        return content; // no compression
    },
    uncompress: function(content) {
        return content; // no compression
    },
    compressInputType: null,
    uncompressInputType: null
};
exports.DEFLATE = _dereq_('./flate');

},{"./flate":12}],10:[function(_dereq_,module,exports){
'use strict';
var utils = _dereq_('./utils');

function DataReader(data) {
    this.data = null; // type : see implementation
    this.length = 0;
    this.index = 0;
}
DataReader.prototype = {
    /**
     * Check that the offset will not go too far.
     * @param {string} offset the additional offset to check.
     * @throws {Error} an Error if the offset is out of bounds.
     */
    checkOffset: function(offset) {
        this.checkIndex(this.index + offset);
    },
    /**
     * Check that the specifed index will not be too far.
     * @param {string} newIndex the index to check.
     * @throws {Error} an Error if the index is out of bounds.
     */
    checkIndex: function(newIndex) {
        if (this.length < newIndex || newIndex < 0) {
            throw new Error("End of data reached (data length = " + this.length + ", asked index = " + (newIndex) + "). Corrupted zip ?");
        }
    },
    /**
     * Change the index.
     * @param {number} newIndex The new index.
     * @throws {Error} if the new index is out of the data.
     */
    setIndex: function(newIndex) {
        this.checkIndex(newIndex);
        this.index = newIndex;
    },
    /**
     * Skip the next n bytes.
     * @param {number} n the number of bytes to skip.
     * @throws {Error} if the new index is out of the data.
     */
    skip: function(n) {
        this.setIndex(this.index + n);
    },
    /**
     * Get the byte at the specified index.
     * @param {number} i the index to use.
     * @return {number} a byte.
     */
    byteAt: function(i) {
        // see implementations
    },
    /**
     * Get the next number with a given byte size.
     * @param {number} size the number of bytes to read.
     * @return {number} the corresponding number.
     */
    readInt: function(size) {
        var result = 0,
            i;
        this.checkOffset(size);
        for (i = this.index + size - 1; i >= this.index; i--) {
            result = (result << 8) + this.byteAt(i);
        }
        this.index += size;
        return result;
    },
    /**
     * Get the next string with a given byte size.
     * @param {number} size the number of bytes to read.
     * @return {string} the corresponding string.
     */
    readString: function(size) {
        return utils.transformTo("string", this.readData(size));
    },
    /**
     * Get raw data without conversion, <size> bytes.
     * @param {number} size the number of bytes to read.
     * @return {Object} the raw data, implementation specific.
     */
    readData: function(size) {
        // see implementations
    },
    /**
     * Find the last occurence of a zip signature (4 bytes).
     * @param {string} sig the signature to find.
     * @return {number} the index of the last occurence, -1 if not found.
     */
    lastIndexOfSignature: function(sig) {
        // see implementations
    },
    /**
     * Get the next date.
     * @return {Date} the date.
     */
    readDate: function() {
        var dostime = this.readInt(4);
        return new Date(
        ((dostime >> 25) & 0x7f) + 1980, // year
        ((dostime >> 21) & 0x0f) - 1, // month
        (dostime >> 16) & 0x1f, // day
        (dostime >> 11) & 0x1f, // hour
        (dostime >> 5) & 0x3f, // minute
        (dostime & 0x1f) << 1); // second
    }
};
module.exports = DataReader;

},{"./utils":20}],11:[function(_dereq_,module,exports){
'use strict';
exports.base64 = false;
exports.binary = false;
exports.dir = false;
exports.date = null;
exports.compression = null;

},{}],12:[function(_dereq_,module,exports){
'use strict';
var USE_TYPEDARRAY = (typeof Uint8Array !== 'undefined') && (typeof Uint16Array !== 'undefined') && (typeof Uint32Array !== 'undefined');

var  ZlibDeflate = _dereq_('zlibjs/bin/rawdeflate.min').Zlib;
var  ZlibInflate = _dereq_('zlibjs/bin/rawinflate.min').Zlib;
exports.uncompressInputType = USE_TYPEDARRAY ? "uint8array" : "array";
exports.compressInputType = USE_TYPEDARRAY ? "uint8array" : "array";

exports.magic = "\x08\x00";
exports.compress = function(input) {
    var deflate = new ZlibDeflate.RawDeflate(input);
    return deflate.compress();
};
exports.uncompress =  function(input) {
    var inflate = new ZlibInflate.RawInflate(input);
    return inflate.decompress();
};

},{"zlibjs/bin/rawdeflate.min":23,"zlibjs/bin/rawinflate.min":24}],13:[function(_dereq_,module,exports){
'use strict';
/**
Usage:
   zip = new JSZip();
   zip.file("hello.txt", "Hello, World!").file("tempfile", "nothing");
   zip.folder("images").file("smile.gif", base64Data, {base64: true});
   zip.file("Xmas.txt", "Ho ho ho !", {date : new Date("December 25, 2007 00:00:01")});
   zip.remove("tempfile");

   base64zip = zip.generate();

**/

/**
 * Representation a of zip file in js
 * @constructor
 * @param {String=|ArrayBuffer=|Uint8Array=} data the data to load, if any (optional).
 * @param {Object=} options the options for creating this objects (optional).
 */
function JSZip(data, options) {
    // object containing the files :
    // {
    //   "folder/" : {...},
    //   "folder/data.txt" : {...}
    // }
    
    this.files = {};

    // Where we are in the hierarchy
    this.root = "";
    if (data) {
        this.load(data, options);
    }
    this.clone = function() {
        var newObj = new JSZip();
        for (var i in this) {
            if (typeof this[i] !== "function") {
                newObj[i] = this[i];
            }
        }
        return newObj;
    };
}
JSZip.prototype = _dereq_('./object');
JSZip.prototype.load = _dereq_('./load');
JSZip.support = _dereq_('./support');
JSZip.utils = _dereq_('./utils');
JSZip.base64 = _dereq_('./base64');
JSZip.compressions = _dereq_('./compressions');
module.exports = JSZip;

},{"./base64":7,"./compressions":9,"./load":14,"./object":15,"./support":18,"./utils":20}],14:[function(_dereq_,module,exports){
'use strict';
var base64 = _dereq_('./base64');
var ZipEntries = _dereq_('./zipEntries');
module.exports = function(data, options) {
    var files, zipEntries, i, input;
    options = options || {};
    if (options.base64) {
        data = base64.decode(data);
    }

    zipEntries = new ZipEntries(data, options);
    files = zipEntries.files;
    for (i = 0; i < files.length; i++) {
        input = files[i];
        this.file(input.fileName, input.decompressed, {
            binary: true,
            optimizedBinaryString: true,
            date: input.date,
            dir: input.dir
        });
    }

    return this;
};

},{"./base64":7,"./zipEntries":21}],15:[function(_dereq_,module,exports){
'use strict';
var support = _dereq_('./support');
var utils = _dereq_('./utils');
var signature = _dereq_('./signature');
var defaults = _dereq_('./defaults');
var base64 = _dereq_('./base64');
var compressions = _dereq_('./compressions');
var CompressedObject = _dereq_('./compressedObject');
var nodeBuffer = _dereq_('./nodeBuffer');
/**
 * Returns the raw data of a ZipObject, decompress the content if necessary.
 * @param {ZipObject} file the file to use.
 * @return {String|ArrayBuffer|Uint8Array|Buffer} the data.
 */

var textEncoder, textDecoder;
if (
    support.uint8array &&
    typeof TextEncoder === "function" &&
    typeof TextDecoder === "function"
) {
    textEncoder = new TextEncoder("utf-8");
    textDecoder = new TextDecoder("utf-8");
}

var getRawData = function(file) {
    if (file._data instanceof CompressedObject) {
        file._data = file._data.getContent();
        file.options.binary = true;
        file.options.base64 = false;

        if (utils.getTypeOf(file._data) === "uint8array") {
            var copy = file._data;
            // when reading an arraybuffer, the CompressedObject mechanism will keep it and subarray() a Uint8Array.
            // if we request a file in the same format, we might get the same Uint8Array or its ArrayBuffer (the original zip file).
            file._data = new Uint8Array(copy.length);
            // with an empty Uint8Array, Opera fails with a "Offset larger than array size"
            if (copy.length !== 0) {
                file._data.set(copy, 0);
            }
        }
    }
    return file._data;
};

/**
 * Returns the data of a ZipObject in a binary form. If the content is an unicode string, encode it.
 * @param {ZipObject} file the file to use.
 * @return {String|ArrayBuffer|Uint8Array|Buffer} the data.
 */
var getBinaryData = function(file) {
    var result = getRawData(file),
        type = utils.getTypeOf(result);
    if (type === "string") {
        if (!file.options.binary) {
            // unicode text !
            // unicode string => binary string is a painful process, check if we can avoid it.
            if (textEncoder) {
                return textEncoder.encode(result);
            }
            if (support.nodebuffer) {
                return nodeBuffer(result, "utf-8");
            }
        }
        return file.asBinary();
    }
    return result;
};

/**
 * Transform this._data into a string.
 * @param {function} filter a function String -> String, applied if not null on the result.
 * @return {String} the string representing this._data.
 */
var dataToString = function(asUTF8) {
    var result = getRawData(this);
    if (result === null || typeof result === "undefined") {
        return "";
    }
    // if the data is a base64 string, we decode it before checking the encoding !
    if (this.options.base64) {
        result = base64.decode(result);
    }
    if (asUTF8 && this.options.binary) {
        // JSZip.prototype.utf8decode supports arrays as input
        // skip to array => string step, utf8decode will do it.
        result = out.utf8decode(result);
    }
    else {
        // no utf8 transformation, do the array => string step.
        result = utils.transformTo("string", result);
    }

    if (!asUTF8 && !this.options.binary) {
        result = out.utf8encode(result);
    }
    return result;
};
/**
 * A simple object representing a file in the zip file.
 * @constructor
 * @param {string} name the name of the file
 * @param {String|ArrayBuffer|Uint8Array|Buffer} data the data
 * @param {Object} options the options of the file
 */
var ZipObject = function(name, data, options) {
    this.name = name;
    this._data = data;
    this.options = options;
};

ZipObject.prototype = {
    /**
     * Return the content as UTF8 string.
     * @return {string} the UTF8 string.
     */
    asText: function() {
        return dataToString.call(this, true);
    },
    /**
     * Returns the binary content.
     * @return {string} the content as binary.
     */
    asBinary: function() {
        return dataToString.call(this, false);
    },
    /**
     * Returns the content as a nodejs Buffer.
     * @return {Buffer} the content as a Buffer.
     */
    asNodeBuffer: function() {
        var result = getBinaryData(this);
        return utils.transformTo("nodebuffer", result);
    },
    /**
     * Returns the content as an Uint8Array.
     * @return {Uint8Array} the content as an Uint8Array.
     */
    asUint8Array: function() {
        var result = getBinaryData(this);
        return utils.transformTo("uint8array", result);
    },
    /**
     * Returns the content as an ArrayBuffer.
     * @return {ArrayBuffer} the content as an ArrayBufer.
     */
    asArrayBuffer: function() {
        return this.asUint8Array().buffer;
    }
};

/**
 * Transform an integer into a string in hexadecimal.
 * @private
 * @param {number} dec the number to convert.
 * @param {number} bytes the number of bytes to generate.
 * @returns {string} the result.
 */
var decToHex = function(dec, bytes) {
    var hex = "",
        i;
    for (i = 0; i < bytes; i++) {
        hex += String.fromCharCode(dec & 0xff);
        dec = dec >>> 8;
    }
    return hex;
};

/**
 * Merge the objects passed as parameters into a new one.
 * @private
 * @param {...Object} var_args All objects to merge.
 * @return {Object} a new object with the data of the others.
 */
var extend = function() {
    var result = {}, i, attr;
    for (i = 0; i < arguments.length; i++) { // arguments is not enumerable in some browsers
        for (attr in arguments[i]) {
            if (arguments[i].hasOwnProperty(attr) && typeof result[attr] === "undefined") {
                result[attr] = arguments[i][attr];
            }
        }
    }
    return result;
};

/**
 * Transforms the (incomplete) options from the user into the complete
 * set of options to create a file.
 * @private
 * @param {Object} o the options from the user.
 * @return {Object} the complete set of options.
 */
var prepareFileAttrs = function(o) {
    o = o || {};
    if (o.base64 === true && (o.binary === null || o.binary === undefined)) {
        o.binary = true;
    }
    o = extend(o, defaults);
    o.date = o.date || new Date();
    if (o.compression !== null) o.compression = o.compression.toUpperCase();

    return o;
};

/**
 * Add a file in the current folder.
 * @private
 * @param {string} name the name of the file
 * @param {String|ArrayBuffer|Uint8Array|Buffer} data the data of the file
 * @param {Object} o the options of the file
 * @return {Object} the new file.
 */
var fileAdd = function(name, data, o) {
    // be sure sub folders exist
    var parent = parentFolder(name),
        dataType = utils.getTypeOf(data);
    if (parent) {
        folderAdd.call(this, parent);
    }

    o = prepareFileAttrs(o);

    if (o.dir || data === null || typeof data === "undefined") {
        o.base64 = false;
        o.binary = false;
        data = null;
    }
    else if (dataType === "string") {
        if (o.binary && !o.base64) {
            // optimizedBinaryString == true means that the file has already been filtered with a 0xFF mask
            if (o.optimizedBinaryString !== true) {
                // this is a string, not in a base64 format.
                // Be sure that this is a correct "binary string"
                data = utils.string2binary(data);
            }
        }
    }
    else { // arraybuffer, uint8array, ...
        o.base64 = false;
        o.binary = true;

        if (!dataType && !(data instanceof CompressedObject)) {
            throw new Error("The data of '" + name + "' is in an unsupported format !");
        }

        // special case : it's way easier to work with Uint8Array than with ArrayBuffer
        if (dataType === "arraybuffer") {
            data = utils.transformTo("uint8array", data);
        }
    }

    var object = new ZipObject(name, data, o);
    this.files[name] = object;
    return object;
};


/**
 * Find the parent folder of the path.
 * @private
 * @param {string} path the path to use
 * @return {string} the parent folder, or ""
 */
var parentFolder = function(path) {
    if (path.slice(-1) == '/') {
        path = path.substring(0, path.length - 1);
    }
    var lastSlash = path.lastIndexOf('/');
    return (lastSlash > 0) ? path.substring(0, lastSlash) : "";
};

/**
 * Add a (sub) folder in the current folder.
 * @private
 * @param {string} name the folder's name
 * @return {Object} the new folder.
 */
var folderAdd = function(name) {
    // Check the name ends with a /
    if (name.slice(-1) != "/") {
        name += "/"; // IE doesn't like substr(-1)
    }

    // Does this folder already exist?
    if (!this.files[name]) {
        fileAdd.call(this, name, null, {
            dir: true
        });
    }
    return this.files[name];
};

/**
 * Generate a JSZip.CompressedObject for a given zipOject.
 * @param {ZipObject} file the object to read.
 * @param {JSZip.compression} compression the compression to use.
 * @return {JSZip.CompressedObject} the compressed result.
 */
var generateCompressedObjectFrom = function(file, compression) {
    var result = new CompressedObject(),
        content;

    // the data has not been decompressed, we might reuse things !
    if (file._data instanceof CompressedObject) {
        result.uncompressedSize = file._data.uncompressedSize;
        result.crc32 = file._data.crc32;

        if (result.uncompressedSize === 0 || file.options.dir) {
            compression = compressions['STORE'];
            result.compressedContent = "";
            result.crc32 = 0;
        }
        else if (file._data.compressionMethod === compression.magic) {
            result.compressedContent = file._data.getCompressedContent();
        }
        else {
            content = file._data.getContent();
            // need to decompress / recompress
            result.compressedContent = compression.compress(utils.transformTo(compression.compressInputType, content));
        }
    }
    else {
        // have uncompressed data
        content = getBinaryData(file);
        if (!content || content.length === 0 || file.options.dir) {
            compression = compressions['STORE'];
            content = "";
        }
        result.uncompressedSize = content.length;
        result.crc32 = this.crc32(content);
        result.compressedContent = compression.compress(utils.transformTo(compression.compressInputType, content));
    }

    result.compressedSize = result.compressedContent.length;
    result.compressionMethod = compression.magic;

    return result;
};

/**
 * Generate the various parts used in the construction of the final zip file.
 * @param {string} name the file name.
 * @param {ZipObject} file the file content.
 * @param {JSZip.CompressedObject} compressedObject the compressed object.
 * @param {number} offset the current offset from the start of the zip file.
 * @return {object} the zip parts.
 */
var generateZipParts = function(name, file, compressedObject, offset) {
    var data = compressedObject.compressedContent,
        utfEncodedFileName = this.utf8encode(file.name),
        useUTF8 = utfEncodedFileName !== file.name,
        o = file.options,
        dosTime,
        dosDate,
        extraFields = "",
        unicodePathExtraField = "";

    // date
    // @see http://www.delorie.com/djgpp/doc/rbinter/it/52/13.html
    // @see http://www.delorie.com/djgpp/doc/rbinter/it/65/16.html
    // @see http://www.delorie.com/djgpp/doc/rbinter/it/66/16.html

    dosTime = o.date.getHours();
    dosTime = dosTime << 6;
    dosTime = dosTime | o.date.getMinutes();
    dosTime = dosTime << 5;
    dosTime = dosTime | o.date.getSeconds() / 2;

    dosDate = o.date.getFullYear() - 1980;
    dosDate = dosDate << 4;
    dosDate = dosDate | (o.date.getMonth() + 1);
    dosDate = dosDate << 5;
    dosDate = dosDate | o.date.getDate();

    if (useUTF8) {
        // set the unicode path extra field. unzip needs at least one extra
        // field to correctly handle unicode path, so using the path is as good
        // as any other information. This could improve the situation with
        // other archive managers too.
        // This field is usually used without the utf8 flag, with a non
        // unicode path in the header (winrar, winzip). This helps (a bit)
        // with the messy Windows' default compressed folders feature but
        // breaks on p7zip which doesn't seek the unicode path extra field.
        // So for now, UTF-8 everywhere !
        unicodePathExtraField =
            // Version
            decToHex(1, 1) +
            // NameCRC32
            decToHex(this.crc32(utfEncodedFileName), 4) +
            // UnicodeName
            utfEncodedFileName;

        extraFields +=
            // Info-ZIP Unicode Path Extra Field
            "\x75\x70" +
            // size
            decToHex(unicodePathExtraField.length, 2) +
            // content
            unicodePathExtraField;
    }

    var header = "";

    // version needed to extract
    header += "\x0A\x00";
    // general purpose bit flag
    // set bit 11 if utf8
    header += useUTF8 ? "\x00\x08" : "\x00\x00";
    // compression method
    header += compressedObject.compressionMethod;
    // last mod file time
    header += decToHex(dosTime, 2);
    // last mod file date
    header += decToHex(dosDate, 2);
    // crc-32
    header += decToHex(compressedObject.crc32, 4);
    // compressed size
    header += decToHex(compressedObject.compressedSize, 4);
    // uncompressed size
    header += decToHex(compressedObject.uncompressedSize, 4);
    // file name length
    header += decToHex(utfEncodedFileName.length, 2);
    // extra field length
    header += decToHex(extraFields.length, 2);


    var fileRecord = signature.LOCAL_FILE_HEADER + header + utfEncodedFileName + extraFields;

    var dirRecord = signature.CENTRAL_FILE_HEADER +
    // version made by (00: DOS)
    "\x14\x00" +
    // file header (common to file and central directory)
    header +
    // file comment length
    "\x00\x00" +
    // disk number start
    "\x00\x00" +
    // internal file attributes TODO
    "\x00\x00" +
    // external file attributes
    (file.options.dir === true ? "\x10\x00\x00\x00" : "\x00\x00\x00\x00") +
    // relative offset of local header
    decToHex(offset, 4) +
    // file name
    utfEncodedFileName +
    // extra field
    extraFields;


    return {
        fileRecord: fileRecord,
        dirRecord: dirRecord,
        compressedObject: compressedObject
    };
};

/**
 * An object to write any content to a string.
 * @constructor
 */
var StringWriter = function() {
    this.data = [];
};
StringWriter.prototype = {
    /**
     * Append any content to the current string.
     * @param {Object} input the content to add.
     */
    append: function(input) {
        input = utils.transformTo("string", input);
        this.data.push(input);
    },
    /**
     * Finalize the construction an return the result.
     * @return {string} the generated string.
     */
    finalize: function() {
        return this.data.join("");
    }
};
/**
 * An object to write any content to an Uint8Array.
 * @constructor
 * @param {number} length The length of the array.
 */
var Uint8ArrayWriter = function(length) {
    this.data = new Uint8Array(length);
    this.index = 0;
};
Uint8ArrayWriter.prototype = {
    /**
     * Append any content to the current array.
     * @param {Object} input the content to add.
     */
    append: function(input) {
        if (input.length !== 0) {
            // with an empty Uint8Array, Opera fails with a "Offset larger than array size"
            input = utils.transformTo("uint8array", input);
            this.data.set(input, this.index);
            this.index += input.length;
        }
    },
    /**
     * Finalize the construction an return the result.
     * @return {Uint8Array} the generated array.
     */
    finalize: function() {
        return this.data;
    }
};

// return the actual prototype of JSZip
var out = {
    /**
     * Read an existing zip and merge the data in the current JSZip object.
     * The implementation is in jszip-load.js, don't forget to include it.
     * @param {String|ArrayBuffer|Uint8Array|Buffer} stream  The stream to load
     * @param {Object} options Options for loading the stream.
     *  options.base64 : is the stream in base64 ? default : false
     * @return {JSZip} the current JSZip object
     */
    load: function(stream, options) {
        throw new Error("Load method is not defined. Is the file jszip-load.js included ?");
    },

    /**
     * Filter nested files/folders with the specified function.
     * @param {Function} search the predicate to use :
     * function (relativePath, file) {...}
     * It takes 2 arguments : the relative path and the file.
     * @return {Array} An array of matching elements.
     */
    filter: function(search) {
        var result = [],
            filename, relativePath, file, fileClone;
        for (filename in this.files) {
            if (!this.files.hasOwnProperty(filename)) {
                continue;
            }
            file = this.files[filename];
            // return a new object, don't let the user mess with our internal objects :)
            fileClone = new ZipObject(file.name, file._data, extend(file.options));
            relativePath = filename.slice(this.root.length, filename.length);
            if (filename.slice(0, this.root.length) === this.root && // the file is in the current root
            search(relativePath, fileClone)) { // and the file matches the function
                result.push(fileClone);
            }
        }
        return result;
    },

    /**
     * Add a file to the zip file, or search a file.
     * @param   {string|RegExp} name The name of the file to add (if data is defined),
     * the name of the file to find (if no data) or a regex to match files.
     * @param   {String|ArrayBuffer|Uint8Array|Buffer} data  The file data, either raw or base64 encoded
     * @param   {Object} o     File options
     * @return  {JSZip|Object|Array} this JSZip object (when adding a file),
     * a file (when searching by string) or an array of files (when searching by regex).
     */
    file: function(name, data, o) {
        if (arguments.length === 1) {
            if (utils.isRegExp(name)) {
                var regexp = name;
                return this.filter(function(relativePath, file) {
                    return !file.options.dir && regexp.test(relativePath);
                });
            }
            else { // text
                return this.filter(function(relativePath, file) {
                    return !file.options.dir && relativePath === name;
                })[0] || null;
            }
        }
        else { // more than one argument : we have data !
            name = this.root + name;
            fileAdd.call(this, name, data, o);
        }
        return this;
    },

    /**
     * Add a directory to the zip file, or search.
     * @param   {String|RegExp} arg The name of the directory to add, or a regex to search folders.
     * @return  {JSZip} an object with the new directory as the root, or an array containing matching folders.
     */
    folder: function(arg) {
        if (!arg) {
            return this;
        }

        if (utils.isRegExp(arg)) {
            return this.filter(function(relativePath, file) {
                return file.options.dir && arg.test(relativePath);
            });
        }

        // else, name is a new folder
        var name = this.root + arg;
        var newFolder = folderAdd.call(this, name);

        // Allow chaining by returning a new object with this folder as the root
        var ret = this.clone();
        ret.root = newFolder.name;
        return ret;
    },

    /**
     * Delete a file, or a directory and all sub-files, from the zip
     * @param {string} name the name of the file to delete
     * @return {JSZip} this JSZip object
     */
    remove: function(name) {
        name = this.root + name;
        var file = this.files[name];
        if (!file) {
            // Look for any folders
            if (name.slice(-1) != "/") {
                name += "/";
            }
            file = this.files[name];
        }

        if (file) {
            if (!file.options.dir) {
                // file
                delete this.files[name];
            }
            else {
                // folder
                var kids = this.filter(function(relativePath, file) {
                    return file.name.slice(0, name.length) === name;
                });
                for (var i = 0; i < kids.length; i++) {
                    delete this.files[kids[i].name];
                }
            }
        }

        return this;
    },

    /**
     * Generate the complete zip file
     * @param {Object} options the options to generate the zip file :
     * - base64, (deprecated, use type instead) true to generate base64.
     * - compression, "STORE" by default.
     * - type, "base64" by default. Values are : string, base64, uint8array, arraybuffer, blob.
     * @return {String|Uint8Array|ArrayBuffer|Buffer|Blob} the zip file
     */
    generate: function(options) {
        options = extend(options || {}, {
            base64: true,
            compression: "STORE",
            type: "base64"
        });

        utils.checkSupport(options.type);

        var zipData = [],
            localDirLength = 0,
            centralDirLength = 0,
            writer, i;


        // first, generate all the zip parts.
        for (var name in this.files) {
            if (!this.files.hasOwnProperty(name)) {
                continue;
            }
            var file = this.files[name];

            var compressionName = file.options.compression || options.compression.toUpperCase();
            var compression = compressions[compressionName];
            if (!compression) {
                throw new Error(compressionName + " is not a valid compression method !");
            }

            var compressedObject = generateCompressedObjectFrom.call(this, file, compression);

            var zipPart = generateZipParts.call(this, name, file, compressedObject, localDirLength);
            localDirLength += zipPart.fileRecord.length + compressedObject.compressedSize;
            centralDirLength += zipPart.dirRecord.length;
            zipData.push(zipPart);
        }

        var dirEnd = "";

        // end of central dir signature
        dirEnd = signature.CENTRAL_DIRECTORY_END +
        // number of this disk
        "\x00\x00" +
        // number of the disk with the start of the central directory
        "\x00\x00" +
        // total number of entries in the central directory on this disk
        decToHex(zipData.length, 2) +
        // total number of entries in the central directory
        decToHex(zipData.length, 2) +
        // size of the central directory   4 bytes
        decToHex(centralDirLength, 4) +
        // offset of start of central directory with respect to the starting disk number
        decToHex(localDirLength, 4) +
        // .ZIP file comment length
        "\x00\x00";


        // we have all the parts (and the total length)
        // time to create a writer !
        var typeName = options.type.toLowerCase();
        if(typeName==="uint8array"||typeName==="arraybuffer"||typeName==="blob"||typeName==="nodebuffer") {
            writer = new Uint8ArrayWriter(localDirLength + centralDirLength + dirEnd.length);
        }else{
            writer = new StringWriter(localDirLength + centralDirLength + dirEnd.length);
        }

        for (i = 0; i < zipData.length; i++) {
            writer.append(zipData[i].fileRecord);
            writer.append(zipData[i].compressedObject.compressedContent);
        }
        for (i = 0; i < zipData.length; i++) {
            writer.append(zipData[i].dirRecord);
        }

        writer.append(dirEnd);

        var zip = writer.finalize();



        switch(options.type.toLowerCase()) {
            // case "zip is an Uint8Array"
            case "uint8array" :
            case "arraybuffer" :
            case "nodebuffer" :
               return utils.transformTo(options.type.toLowerCase(), zip);
            case "blob" :
               return utils.arrayBuffer2Blob(utils.transformTo("arraybuffer", zip));
            // case "zip is a string"
            case "base64" :
               return (options.base64) ? base64.encode(zip) : zip;
            default : // case "string" :
               return zip;
         }
      
    },

    /**
     *
     *  Javascript crc32
     *  http://www.webtoolkit.info/
     *
     */
    crc32: function crc32(input, crc) {
        if (typeof input === "undefined" || !input.length) {
            return 0;
        }

        var isArray = utils.getTypeOf(input) !== "string";

        var table = [
        0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
        0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
        0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
        0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
        0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
        0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
        0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
        0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
        0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
        0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
        0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
        0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
        0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
        0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
        0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
        0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
        0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
        0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
        0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
        0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
        0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
        0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
        0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
        0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
        0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
        0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
        0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
        0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
        0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
        0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
        0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
        0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
        0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
        0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
        0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
        0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
        0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
        0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
        0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
        0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
        0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
        0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
        0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
        0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
        0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
        0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
        0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
        0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
        0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
        0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
        0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
        0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
        0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
        0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
        0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
        0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
        0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
        0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
        0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
        0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
        0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
        0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
        0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
        0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D];

        if (typeof(crc) == "undefined") {
            crc = 0;
        }
        var x = 0;
        var y = 0;
        var b = 0;

        crc = crc ^ (-1);
        for (var i = 0, iTop = input.length; i < iTop; i++) {
            b = isArray ? input[i] : input.charCodeAt(i);
            y = (crc ^ b) & 0xFF;
            x = table[y];
            crc = (crc >>> 8) ^ x;
        }

        return crc ^ (-1);
    },

    // Inspired by http://my.opera.com/GreyWyvern/blog/show.dml/1725165

    /**
     * http://www.webtoolkit.info/javascript-utf8.html
     */
    utf8encode: function(string) {
        // TextEncoder + Uint8Array to binary string is faster than checking every bytes on long strings.
        // http://jsperf.com/utf8encode-vs-textencoder
        // On short strings (file names for example), the TextEncoder API is (currently) slower.
        if (textEncoder) {
            var u8 = textEncoder.encode(string);
            return utils.transformTo("string", u8);
        }
        if (support.nodebuffer) {
            return utils.transformTo("string", nodeBuffer(string, "utf-8"));
        }

        // array.join may be slower than string concatenation but generates less objects (less time spent garbage collecting).
        // See also http://jsperf.com/array-direct-assignment-vs-push/31
        var result = [],
            resIndex = 0;

        for (var n = 0; n < string.length; n++) {

            var c = string.charCodeAt(n);

            if (c < 128) {
                result[resIndex++] = String.fromCharCode(c);
            }
            else if ((c > 127) && (c < 2048)) {
                result[resIndex++] = String.fromCharCode((c >> 6) | 192);
                result[resIndex++] = String.fromCharCode((c & 63) | 128);
            }
            else {
                result[resIndex++] = String.fromCharCode((c >> 12) | 224);
                result[resIndex++] = String.fromCharCode(((c >> 6) & 63) | 128);
                result[resIndex++] = String.fromCharCode((c & 63) | 128);
            }

        }

        return result.join("");
    },

    /**
     * http://www.webtoolkit.info/javascript-utf8.html
     */
    utf8decode: function(input) {
        var result = [],
            resIndex = 0;
        var type = utils.getTypeOf(input);
        var isArray = type !== "string";
        var i = 0;
        var c = 0,
            c1 = 0,
            c2 = 0,
            c3 = 0;

        // check if we can use the TextDecoder API
        // see http://encoding.spec.whatwg.org/#api
        if (textDecoder) {
            return textDecoder.decode(
                utils.transformTo("uint8array", input)
            );
        }
        if (support.nodebuffer) {
            return utils.transformTo("nodebuffer", input).toString("utf-8");
        }

        while (i < input.length) {

            c = isArray ? input[i] : input.charCodeAt(i);

            if (c < 128) {
                result[resIndex++] = String.fromCharCode(c);
                i++;
            }
            else if ((c > 191) && (c < 224)) {
                c2 = isArray ? input[i + 1] : input.charCodeAt(i + 1);
                result[resIndex++] = String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            }
            else {
                c2 = isArray ? input[i + 1] : input.charCodeAt(i + 1);
                c3 = isArray ? input[i + 2] : input.charCodeAt(i + 2);
                result[resIndex++] = String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }

        }

        return result.join("");
    }
};
module.exports = out;

},{"./base64":7,"./compressedObject":8,"./compressions":9,"./defaults":11,"./nodeBuffer":5,"./signature":16,"./support":18,"./utils":20}],16:[function(_dereq_,module,exports){
'use strict';
exports.LOCAL_FILE_HEADER = "PK\x03\x04";
exports.CENTRAL_FILE_HEADER = "PK\x01\x02";
exports.CENTRAL_DIRECTORY_END = "PK\x05\x06";
exports.ZIP64_CENTRAL_DIRECTORY_LOCATOR = "PK\x06\x07";
exports.ZIP64_CENTRAL_DIRECTORY_END = "PK\x06\x06";
exports.DATA_DESCRIPTOR = "PK\x07\x08";

},{}],17:[function(_dereq_,module,exports){
'use strict';
var DataReader = _dereq_('./dataReader');
var utils = _dereq_('./utils');

function StringReader(data, optimizedBinaryString) {
    this.data = data;
    if (!optimizedBinaryString) {
        this.data = utils.string2binary(this.data);
    }
    this.length = this.data.length;
    this.index = 0;
}
StringReader.prototype = new DataReader();
/**
 * @see DataReader.byteAt
 */
StringReader.prototype.byteAt = function(i) {
    return this.data.charCodeAt(i);
};
/**
 * @see DataReader.lastIndexOfSignature
 */
StringReader.prototype.lastIndexOfSignature = function(sig) {
    return this.data.lastIndexOf(sig);
};
/**
 * @see DataReader.readData
 */
StringReader.prototype.readData = function(size) {
    this.checkOffset(size);
    // this will work because the constructor applied the "& 0xff" mask.
    var result = this.data.slice(this.index, this.index + size);
    this.index += size;
    return result;
};
module.exports = StringReader;

},{"./dataReader":10,"./utils":20}],18:[function(_dereq_,module,exports){
(function (process){'use strict';
exports.base64 = true;
exports.array = true;
exports.string = true;
exports.arraybuffer = typeof ArrayBuffer !== "undefined" && typeof Uint8Array !== "undefined";
// contains true if JSZip can read/generate nodejs Buffer, false otherwise, aka checks if we arn't in a browser.
exports.nodebuffer = !process.browser;
// contains true if JSZip can read/generate Uint8Array, false otherwise.
exports.uint8array = typeof Uint8Array !== "undefined";

if (typeof ArrayBuffer === "undefined") {
    exports.blob = false;
}
else {
    var buffer = new ArrayBuffer(0);
    try {
        exports.blob = new Blob([buffer], {
            type: "application/zip"
        }).size === 0;
    }
    catch (e) {
        try {
            var Builder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder;
            var builder = new Builder();
            builder.append(buffer);
            exports.blob = builder.getBlob('application/zip').size === 0;
        }
        catch (e) {
            exports.blob = false;
        }
    }
}
}).call(this,_dereq_("/Users/cmetcalf/projects/shapefile-js/node_modules/grunt-browserify/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js"))
},{"/Users/cmetcalf/projects/shapefile-js/node_modules/grunt-browserify/node_modules/browserify/node_modules/insert-module-globals/node_modules/process/browser.js":6}],19:[function(_dereq_,module,exports){
'use strict';
var DataReader = _dereq_('./dataReader');

function Uint8ArrayReader(data) {
    if (data) {
        this.data = data;
        this.length = this.data.length;
        this.index = 0;
    }
}
Uint8ArrayReader.prototype = new DataReader();
/**
 * @see DataReader.byteAt
 */
Uint8ArrayReader.prototype.byteAt = function(i) {
    return this.data[i];
};
/**
 * @see DataReader.lastIndexOfSignature
 */
Uint8ArrayReader.prototype.lastIndexOfSignature = function(sig) {
    var sig0 = sig.charCodeAt(0),
        sig1 = sig.charCodeAt(1),
        sig2 = sig.charCodeAt(2),
        sig3 = sig.charCodeAt(3);
    for (var i = this.length - 4; i >= 0; --i) {
        if (this.data[i] === sig0 && this.data[i + 1] === sig1 && this.data[i + 2] === sig2 && this.data[i + 3] === sig3) {
            return i;
        }
    }

    return -1;
};
/**
 * @see DataReader.readData
 */
Uint8ArrayReader.prototype.readData = function(size) {
    this.checkOffset(size);
    var result = this.data.subarray(this.index, this.index + size);
    this.index += size;
    return result;
};
module.exports = Uint8ArrayReader;

},{"./dataReader":10}],20:[function(_dereq_,module,exports){
'use strict';
var support = _dereq_('./support');
var compressions = _dereq_('./compressions');
var nodeBuffer = _dereq_('./nodeBuffer');
/**
 * Convert a string to a "binary string" : a string containing only char codes between 0 and 255.
 * @param {string} str the string to transform.
 * @return {String} the binary string.
 */
exports.string2binary = function(str) {
    var result = "";
    for (var i = 0; i < str.length; i++) {
        result += String.fromCharCode(str.charCodeAt(i) & 0xff);
    }
    return result;
};
/**
 * Create a Uint8Array from the string.
 * @param {string} str the string to transform.
 * @return {Uint8Array} the typed array.
 * @throws {Error} an Error if the browser doesn't support the requested feature.
 */
exports.string2Uint8Array = function(str) {
    return exports.transformTo("uint8array", str);
};

/**
 * Create a string from the Uint8Array.
 * @param {Uint8Array} array the array to transform.
 * @return {string} the string.
 * @throws {Error} an Error if the browser doesn't support the requested feature.
 */
exports.uint8Array2String = function(array) {
    return exports.transformTo("string", array);
};
/**
 * Create a blob from the given string.
 * @param {string} str the string to transform.
 * @return {Blob} the string.
 * @throws {Error} an Error if the browser doesn't support the requested feature.
 */
exports.string2Blob = function(str) {
    var buffer = exports.transformTo("arraybuffer", str);
    return exports.arrayBuffer2Blob(buffer);
};
exports.arrayBuffer2Blob = function(buffer) {
    exports.checkSupport("blob");

    try {
        // Blob constructor
        return new Blob([buffer], {
            type: "application/zip"
        });
    }
    catch (e) {

        try {
            // deprecated, browser only, old way
            var Builder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder;
            var builder = new Builder();
            builder.append(buffer);
            return builder.getBlob('application/zip');
        }
        catch (e) {

            // well, fuck ?!
            throw new Error("Bug : can't construct the Blob.");
        }
    }


};
/**
 * The identity function.
 * @param {Object} input the input.
 * @return {Object} the same input.
 */
function identity(input) {
    return input;
}

/**
 * Fill in an array with a string.
 * @param {String} str the string to use.
 * @param {Array|ArrayBuffer|Uint8Array|Buffer} array the array to fill in (will be mutated).
 * @return {Array|ArrayBuffer|Uint8Array|Buffer} the updated array.
 */
function stringToArrayLike(str, array) {
    for (var i = 0; i < str.length; ++i) {
        array[i] = str.charCodeAt(i) & 0xFF;
    }
    return array;
}

/**
 * Transform an array-like object to a string.
 * @param {Array|ArrayBuffer|Uint8Array|Buffer} array the array to transform.
 * @return {String} the result.
 */
function arrayLikeToString(array) {
    // Performances notes :
    // --------------------
    // String.fromCharCode.apply(null, array) is the fastest, see
    // see http://jsperf.com/converting-a-uint8array-to-a-string/2
    // but the stack is limited (and we can get huge arrays !).
    //
    // result += String.fromCharCode(array[i]); generate too many strings !
    //
    // This code is inspired by http://jsperf.com/arraybuffer-to-string-apply-performance/2
    var chunk = 65536;
    var result = [],
        len = array.length,
        type = exports.getTypeOf(array),
        k = 0,
        canUseApply = true;
      try {
         switch(type) {
            case "uint8array":
               String.fromCharCode.apply(null, new Uint8Array(0));
               break;
            case "nodebuffer":
               String.fromCharCode.apply(null, nodeBuffer(0));
               break;
         }
      } catch(e) {
         canUseApply = false;
      }

      // no apply : slow and painful algorithm
      // default browser on android 4.*
      if (!canUseApply) {
         var resultStr = "";
         for(var i = 0; i < array.length;i++) {
            resultStr += String.fromCharCode(array[i]);
         }
    return resultStr;
    }
    while (k < len && chunk > 1) {
        try {
            if (type === "array" || type === "nodebuffer") {
                result.push(String.fromCharCode.apply(null, array.slice(k, Math.min(k + chunk, len))));
            }
            else {
                result.push(String.fromCharCode.apply(null, array.subarray(k, Math.min(k + chunk, len))));
            }
            k += chunk;
        }
        catch (e) {
            chunk = Math.floor(chunk / 2);
        }
    }
    return result.join("");
}

/**
 * Copy the data from an array-like to an other array-like.
 * @param {Array|ArrayBuffer|Uint8Array|Buffer} arrayFrom the origin array.
 * @param {Array|ArrayBuffer|Uint8Array|Buffer} arrayTo the destination array which will be mutated.
 * @return {Array|ArrayBuffer|Uint8Array|Buffer} the updated destination array.
 */
function arrayLikeToArrayLike(arrayFrom, arrayTo) {
    for (var i = 0; i < arrayFrom.length; i++) {
        arrayTo[i] = arrayFrom[i];
    }
    return arrayTo;
}

// a matrix containing functions to transform everything into everything.
var transform = {};

// string to ?
transform["string"] = {
    "string": identity,
    "array": function(input) {
        return stringToArrayLike(input, new Array(input.length));
    },
    "arraybuffer": function(input) {
        return transform["string"]["uint8array"](input).buffer;
    },
    "uint8array": function(input) {
        return stringToArrayLike(input, new Uint8Array(input.length));
    },
    "nodebuffer": function(input) {
        return stringToArrayLike(input, nodeBuffer(input.length));
    }
};

// array to ?
transform["array"] = {
    "string": arrayLikeToString,
    "array": identity,
    "arraybuffer": function(input) {
        return (new Uint8Array(input)).buffer;
    },
    "uint8array": function(input) {
        return new Uint8Array(input);
    },
    "nodebuffer": function(input) {
        return nodeBuffer(input);
    }
};

// arraybuffer to ?
transform["arraybuffer"] = {
    "string": function(input) {
        return arrayLikeToString(new Uint8Array(input));
    },
    "array": function(input) {
        return arrayLikeToArrayLike(new Uint8Array(input), new Array(input.byteLength));
    },
    "arraybuffer": identity,
    "uint8array": function(input) {
        return new Uint8Array(input);
    },
    "nodebuffer": function(input) {
        return nodeBuffer(new Uint8Array(input));
    }
};

// uint8array to ?
transform["uint8array"] = {
    "string": arrayLikeToString,
    "array": function(input) {
        return arrayLikeToArrayLike(input, new Array(input.length));
    },
    "arraybuffer": function(input) {
        return input.buffer;
    },
    "uint8array": identity,
    "nodebuffer": function(input) {
        return nodeBuffer(input);
    }
};

// nodebuffer to ?
transform["nodebuffer"] = {
    "string": arrayLikeToString,
    "array": function(input) {
        return arrayLikeToArrayLike(input, new Array(input.length));
    },
    "arraybuffer": function(input) {
        return transform["nodebuffer"]["uint8array"](input).buffer;
    },
    "uint8array": function(input) {
        return arrayLikeToArrayLike(input, new Uint8Array(input.length));
    },
    "nodebuffer": identity
};

/**
 * Transform an input into any type.
 * The supported output type are : string, array, uint8array, arraybuffer, nodebuffer.
 * If no output type is specified, the unmodified input will be returned.
 * @param {String} outputType the output type.
 * @param {String|Array|ArrayBuffer|Uint8Array|Buffer} input the input to convert.
 * @throws {Error} an Error if the browser doesn't support the requested output type.
 */
exports.transformTo = function(outputType, input) {
    if (!input) {
        // undefined, null, etc
        // an empty string won't harm.
        input = "";
    }
    if (!outputType) {
        return input;
    }
    exports.checkSupport(outputType);
    var inputType = exports.getTypeOf(input);
    var result = transform[inputType][outputType](input);
    return result;
};

/**
 * Return the type of the input.
 * The type will be in a format valid for JSZip.utils.transformTo : string, array, uint8array, arraybuffer.
 * @param {Object} input the input to identify.
 * @return {String} the (lowercase) type of the input.
 */
exports.getTypeOf = function(input) {
    if (typeof input === "string") {
        return "string";
    }
    if (Object.prototype.toString.call(input) === "[object Array]") {
        return "array";
    }
    if (support.nodebuffer && nodeBuffer.test(input)) {
        return "nodebuffer";
    }
    if (support.uint8array && input instanceof Uint8Array) {
        return "uint8array";
    }
    if (support.arraybuffer && input instanceof ArrayBuffer) {
        return "arraybuffer";
    }
};

/**
 * Throw an exception if the type is not supported.
 * @param {String} type the type to check.
 * @throws {Error} an Error if the browser doesn't support the requested type.
 */
exports.checkSupport = function(type) {
    var supported = support[type.toLowerCase()];
    if (!supported) {
        throw new Error(type + " is not supported by this browser");
    }
};
exports.MAX_VALUE_16BITS = 65535;
exports.MAX_VALUE_32BITS = -1; // well, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF" is parsed as -1

/**
 * Prettify a string read as binary.
 * @param {string} str the string to prettify.
 * @return {string} a pretty string.
 */
exports.pretty = function(str) {
    var res = '',
        code, i;
    for (i = 0; i < (str || "").length; i++) {
        code = str.charCodeAt(i);
        res += '\\x' + (code < 16 ? "0" : "") + code.toString(16).toUpperCase();
    }
    return res;
};

/**
 * Find a compression registered in JSZip.
 * @param {string} compressionMethod the method magic to find.
 * @return {Object|null} the JSZip compression object, null if none found.
 */
exports.findCompression = function(compressionMethod) {
    for (var method in compressions) {
        if (!compressions.hasOwnProperty(method)) {
            continue;
        }
        if (compressions[method].magic === compressionMethod) {
            return compressions[method];
        }
    }
    return null;
};
/**
* Cross-window, cross-Node-context regular expression detection
* @param  {Object}  object Anything
* @return {Boolean}        true if the object is a regular expression,
* false otherwise
*/
exports.isRegExp = function (object) {
    return Object.prototype.toString.call(object) === "[object RegExp]";
};


},{"./compressions":9,"./nodeBuffer":5,"./support":18}],21:[function(_dereq_,module,exports){
'use strict';
var StringReader = _dereq_('./stringReader');
var NodeBufferReader = _dereq_('./nodeBufferReader');
var Uint8ArrayReader = _dereq_('./uint8ArrayReader');
var utils = _dereq_('./utils');
var sig = _dereq_('./signature');
var ZipEntry = _dereq_('./zipEntry');
var support = _dereq_('./support');
//  class ZipEntries {{{
/**
 * All the entries in the zip file.
 * @constructor
 * @param {String|ArrayBuffer|Uint8Array} data the binary stream to load.
 * @param {Object} loadOptions Options for loading the stream.
 */
function ZipEntries(data, loadOptions) {
    this.files = [];
    this.loadOptions = loadOptions;
    if (data) {
        this.load(data);
    }
}
ZipEntries.prototype = {
    /**
     * Check that the reader is on the speficied signature.
     * @param {string} expectedSignature the expected signature.
     * @throws {Error} if it is an other signature.
     */
    checkSignature: function(expectedSignature) {
        var signature = this.reader.readString(4);
        if (signature !== expectedSignature) {
            throw new Error("Corrupted zip or bug : unexpected signature " + "(" + utils.pretty(signature) + ", expected " + utils.pretty(expectedSignature) + ")");
        }
    },
    /**
     * Read the end of the central directory.
     */
    readBlockEndOfCentral: function() {
        this.diskNumber = this.reader.readInt(2);
        this.diskWithCentralDirStart = this.reader.readInt(2);
        this.centralDirRecordsOnThisDisk = this.reader.readInt(2);
        this.centralDirRecords = this.reader.readInt(2);
        this.centralDirSize = this.reader.readInt(4);
        this.centralDirOffset = this.reader.readInt(4);

        this.zipCommentLength = this.reader.readInt(2);
        this.zipComment = this.reader.readString(this.zipCommentLength);
    },
    /**
     * Read the end of the Zip 64 central directory.
     * Not merged with the method readEndOfCentral :
     * The end of central can coexist with its Zip64 brother,
     * I don't want to read the wrong number of bytes !
     */
    readBlockZip64EndOfCentral: function() {
        this.zip64EndOfCentralSize = this.reader.readInt(8);
        this.versionMadeBy = this.reader.readString(2);
        this.versionNeeded = this.reader.readInt(2);
        this.diskNumber = this.reader.readInt(4);
        this.diskWithCentralDirStart = this.reader.readInt(4);
        this.centralDirRecordsOnThisDisk = this.reader.readInt(8);
        this.centralDirRecords = this.reader.readInt(8);
        this.centralDirSize = this.reader.readInt(8);
        this.centralDirOffset = this.reader.readInt(8);

        this.zip64ExtensibleData = {};
        var extraDataSize = this.zip64EndOfCentralSize - 44,
            index = 0,
            extraFieldId,
            extraFieldLength,
            extraFieldValue;
        while (index < extraDataSize) {
            extraFieldId = this.reader.readInt(2);
            extraFieldLength = this.reader.readInt(4);
            extraFieldValue = this.reader.readString(extraFieldLength);
            this.zip64ExtensibleData[extraFieldId] = {
                id: extraFieldId,
                length: extraFieldLength,
                value: extraFieldValue
            };
        }
    },
    /**
     * Read the end of the Zip 64 central directory locator.
     */
    readBlockZip64EndOfCentralLocator: function() {
        this.diskWithZip64CentralDirStart = this.reader.readInt(4);
        this.relativeOffsetEndOfZip64CentralDir = this.reader.readInt(8);
        this.disksCount = this.reader.readInt(4);
        if (this.disksCount > 1) {
            throw new Error("Multi-volumes zip are not supported");
        }
    },
    /**
     * Read the local files, based on the offset read in the central part.
     */
    readLocalFiles: function() {
        var i, file;
        for (i = 0; i < this.files.length; i++) {
            file = this.files[i];
            this.reader.setIndex(file.localHeaderOffset);
            this.checkSignature(sig.LOCAL_FILE_HEADER);
            file.readLocalPart(this.reader);
            file.handleUTF8();
        }
    },
    /**
     * Read the central directory.
     */
    readCentralDir: function() {
        var file;

        this.reader.setIndex(this.centralDirOffset);
        while (this.reader.readString(4) === sig.CENTRAL_FILE_HEADER) {
            file = new ZipEntry({
                zip64: this.zip64
            }, this.loadOptions);
            file.readCentralPart(this.reader);
            this.files.push(file);
        }
    },
    /**
     * Read the end of central directory.
     */
    readEndOfCentral: function() {
        var offset = this.reader.lastIndexOfSignature(sig.CENTRAL_DIRECTORY_END);
        if (offset === -1) {
            throw new Error("Corrupted zip : can't find end of central directory");
        }
        this.reader.setIndex(offset);
        this.checkSignature(sig.CENTRAL_DIRECTORY_END);
        this.readBlockEndOfCentral();


        /* extract from the zip spec :
            4)  If one of the fields in the end of central directory
                record is too small to hold required data, the field
                should be set to -1 (0xFFFF or 0xFFFFFFFF) and the
                ZIP64 format record should be created.
            5)  The end of central directory record and the
                Zip64 end of central directory locator record must
                reside on the same disk when splitting or spanning
                an archive.
         */
        if (this.diskNumber === utils.MAX_VALUE_16BITS || this.diskWithCentralDirStart === utils.MAX_VALUE_16BITS || this.centralDirRecordsOnThisDisk === utils.MAX_VALUE_16BITS || this.centralDirRecords === utils.MAX_VALUE_16BITS || this.centralDirSize === utils.MAX_VALUE_32BITS || this.centralDirOffset === utils.MAX_VALUE_32BITS) {
            this.zip64 = true;

            /*
            Warning : the zip64 extension is supported, but ONLY if the 64bits integer read from
            the zip file can fit into a 32bits integer. This cannot be solved : Javascript represents
            all numbers as 64-bit double precision IEEE 754 floating point numbers.
            So, we have 53bits for integers and bitwise operations treat everything as 32bits.
            see https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Bitwise_Operators
            and http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf section 8.5
            */

            // should look for a zip64 EOCD locator
            offset = this.reader.lastIndexOfSignature(sig.ZIP64_CENTRAL_DIRECTORY_LOCATOR);
            if (offset === -1) {
                throw new Error("Corrupted zip : can't find the ZIP64 end of central directory locator");
            }
            this.reader.setIndex(offset);
            this.checkSignature(sig.ZIP64_CENTRAL_DIRECTORY_LOCATOR);
            this.readBlockZip64EndOfCentralLocator();

            // now the zip64 EOCD record
            this.reader.setIndex(this.relativeOffsetEndOfZip64CentralDir);
            this.checkSignature(sig.ZIP64_CENTRAL_DIRECTORY_END);
            this.readBlockZip64EndOfCentral();
        }
    },
    prepareReader: function(data) {
        var type = utils.getTypeOf(data);
        if (type === "string" && !support.uint8array) {
            this.reader = new StringReader(data, this.loadOptions.optimizedBinaryString);
        }
        else if (type === "nodebuffer") {
            this.reader = new NodeBufferReader(data);
        }
        else {
            this.reader = new Uint8ArrayReader(utils.transformTo("uint8array", data));
        }
    },
    /**
     * Read a zip file and create ZipEntries.
     * @param {String|ArrayBuffer|Uint8Array|Buffer} data the binary string representing a zip file.
     */
    load: function(data) {
        this.prepareReader(data);
        this.readEndOfCentral();
        this.readCentralDir();
        this.readLocalFiles();
    }
};
// }}} end of ZipEntries
module.exports = ZipEntries;

},{"./nodeBufferReader":5,"./signature":16,"./stringReader":17,"./support":18,"./uint8ArrayReader":19,"./utils":20,"./zipEntry":22}],22:[function(_dereq_,module,exports){
'use strict';
var StringReader = _dereq_('./stringReader');
var utils = _dereq_('./utils');
var CompressedObject = _dereq_('./compressedObject');
var jszipProto = _dereq_('./object');
// class ZipEntry {{{
/**
 * An entry in the zip file.
 * @constructor
 * @param {Object} options Options of the current file.
 * @param {Object} loadOptions Options for loading the stream.
 */
function ZipEntry(options, loadOptions) {
    this.options = options;
    this.loadOptions = loadOptions;
}
ZipEntry.prototype = {
    /**
     * say if the file is encrypted.
     * @return {boolean} true if the file is encrypted, false otherwise.
     */
    isEncrypted: function() {
        // bit 1 is set
        return (this.bitFlag & 0x0001) === 0x0001;
    },
    /**
     * say if the file has utf-8 filename/comment.
     * @return {boolean} true if the filename/comment is in utf-8, false otherwise.
     */
    useUTF8: function() {
        // bit 11 is set
        return (this.bitFlag & 0x0800) === 0x0800;
    },
    /**
     * Prepare the function used to generate the compressed content from this ZipFile.
     * @param {DataReader} reader the reader to use.
     * @param {number} from the offset from where we should read the data.
     * @param {number} length the length of the data to read.
     * @return {Function} the callback to get the compressed content (the type depends of the DataReader class).
     */
    prepareCompressedContent: function(reader, from, length) {
        return function() {
            var previousIndex = reader.index;
            reader.setIndex(from);
            var compressedFileData = reader.readData(length);
            reader.setIndex(previousIndex);

            return compressedFileData;
        };
    },
    /**
     * Prepare the function used to generate the uncompressed content from this ZipFile.
     * @param {DataReader} reader the reader to use.
     * @param {number} from the offset from where we should read the data.
     * @param {number} length the length of the data to read.
     * @param {JSZip.compression} compression the compression used on this file.
     * @param {number} uncompressedSize the uncompressed size to expect.
     * @return {Function} the callback to get the uncompressed content (the type depends of the DataReader class).
     */
    prepareContent: function(reader, from, length, compression, uncompressedSize) {
        return function() {

            var compressedFileData = utils.transformTo(compression.uncompressInputType, this.getCompressedContent());
            var uncompressedFileData = compression.uncompress(compressedFileData);

            if (uncompressedFileData.length !== uncompressedSize) {
                throw new Error("Bug : uncompressed data size mismatch");
            }

            return uncompressedFileData;
        };
    },
    /**
     * Read the local part of a zip file and add the info in this object.
     * @param {DataReader} reader the reader to use.
     */
    readLocalPart: function(reader) {
        var compression, localExtraFieldsLength;

        // we already know everything from the central dir !
        // If the central dir data are false, we are doomed.
        // On the bright side, the local part is scary  : zip64, data descriptors, both, etc.
        // The less data we get here, the more reliable this should be.
        // Let's skip the whole header and dash to the data !
        reader.skip(22);
        // in some zip created on windows, the filename stored in the central dir contains \ instead of /.
        // Strangely, the filename here is OK.
        // I would love to treat these zip files as corrupted (see http://www.info-zip.org/FAQ.html#backslashes
        // or APPNOTE#4.4.17.1, "All slashes MUST be forward slashes '/'") but there are a lot of bad zip generators...
        // Search "unzip mismatching "local" filename continuing with "central" filename version" on
        // the internet.
        //
        // I think I see the logic here : the central directory is used to display
        // content and the local directory is used to extract the files. Mixing / and \
        // may be used to display \ to windows users and use / when extracting the files.
        // Unfortunately, this lead also to some issues : http://seclists.org/fulldisclosure/2009/Sep/394
        this.fileNameLength = reader.readInt(2);
        localExtraFieldsLength = reader.readInt(2); // can't be sure this will be the same as the central dir
        this.fileName = reader.readString(this.fileNameLength);
        reader.skip(localExtraFieldsLength);

        if (this.compressedSize == -1 || this.uncompressedSize == -1) {
            throw new Error("Bug or corrupted zip : didn't get enough informations from the central directory " + "(compressedSize == -1 || uncompressedSize == -1)");
        }

        compression = utils.findCompression(this.compressionMethod);
        if (compression === null) { // no compression found
            throw new Error("Corrupted zip : compression " + utils.pretty(this.compressionMethod) + " unknown (inner file : " + this.fileName + ")");
        }
        this.decompressed = new CompressedObject();
        this.decompressed.compressedSize = this.compressedSize;
        this.decompressed.uncompressedSize = this.uncompressedSize;
        this.decompressed.crc32 = this.crc32;
        this.decompressed.compressionMethod = this.compressionMethod;
        this.decompressed.getCompressedContent = this.prepareCompressedContent(reader, reader.index, this.compressedSize, compression);
        this.decompressed.getContent = this.prepareContent(reader, reader.index, this.compressedSize, compression, this.uncompressedSize);

        // we need to compute the crc32...
        if (this.loadOptions.checkCRC32) {
            this.decompressed = utils.transformTo("string", this.decompressed.getContent());
            if (jszipProto.crc32(this.decompressed) !== this.crc32) {
                throw new Error("Corrupted zip : CRC32 mismatch");
            }
        }
    },

    /**
     * Read the central part of a zip file and add the info in this object.
     * @param {DataReader} reader the reader to use.
     */
    readCentralPart: function(reader) {
        this.versionMadeBy = reader.readString(2);
        this.versionNeeded = reader.readInt(2);
        this.bitFlag = reader.readInt(2);
        this.compressionMethod = reader.readString(2);
        this.date = reader.readDate();
        this.crc32 = reader.readInt(4);
        this.compressedSize = reader.readInt(4);
        this.uncompressedSize = reader.readInt(4);
        this.fileNameLength = reader.readInt(2);
        this.extraFieldsLength = reader.readInt(2);
        this.fileCommentLength = reader.readInt(2);
        this.diskNumberStart = reader.readInt(2);
        this.internalFileAttributes = reader.readInt(2);
        this.externalFileAttributes = reader.readInt(4);
        this.localHeaderOffset = reader.readInt(4);

        if (this.isEncrypted()) {
            throw new Error("Encrypted zip are not supported");
        }

        this.fileName = reader.readString(this.fileNameLength);
        this.readExtraFields(reader);
        this.parseZIP64ExtraField(reader);
        this.fileComment = reader.readString(this.fileCommentLength);

        // warning, this is true only for zip with madeBy == DOS (plateform dependent feature)
        this.dir = this.externalFileAttributes & 0x00000010 ? true : false;
    },
    /**
     * Parse the ZIP64 extra field and merge the info in the current ZipEntry.
     * @param {DataReader} reader the reader to use.
     */
    parseZIP64ExtraField: function(reader) {

        if (!this.extraFields[0x0001]) {
            return;
        }

        // should be something, preparing the extra reader
        var extraReader = new StringReader(this.extraFields[0x0001].value);

        // I really hope that these 64bits integer can fit in 32 bits integer, because js
        // won't let us have more.
        if (this.uncompressedSize === utils.MAX_VALUE_32BITS) {
            this.uncompressedSize = extraReader.readInt(8);
        }
        if (this.compressedSize === utils.MAX_VALUE_32BITS) {
            this.compressedSize = extraReader.readInt(8);
        }
        if (this.localHeaderOffset === utils.MAX_VALUE_32BITS) {
            this.localHeaderOffset = extraReader.readInt(8);
        }
        if (this.diskNumberStart === utils.MAX_VALUE_32BITS) {
            this.diskNumberStart = extraReader.readInt(4);
        }
    },
    /**
     * Read the central part of a zip file and add the info in this object.
     * @param {DataReader} reader the reader to use.
     */
    readExtraFields: function(reader) {
        var start = reader.index,
            extraFieldId,
            extraFieldLength,
            extraFieldValue;

        this.extraFields = this.extraFields || {};

        while (reader.index < start + this.extraFieldsLength) {
            extraFieldId = reader.readInt(2);
            extraFieldLength = reader.readInt(2);
            extraFieldValue = reader.readString(extraFieldLength);

            this.extraFields[extraFieldId] = {
                id: extraFieldId,
                length: extraFieldLength,
                value: extraFieldValue
            };
        }
    },
    /**
     * Apply an UTF8 transformation if needed.
     */
    handleUTF8: function() {
        if (this.useUTF8()) {
            this.fileName = jszipProto.utf8decode(this.fileName);
            this.fileComment = jszipProto.utf8decode(this.fileComment);
        } else {
            var upath = this.findExtraFieldUnicodePath();
            if (upath !== null) {
                this.fileName = upath;
            }
        }
    },

    /**
     * Find the unicode path declared in the extra field, if any.
     * @return {String} the unicode path, null otherwise.
     */
    findExtraFieldUnicodePath: function() {
        var upathField = this.extraFields[0x7075];
        if (upathField) {
            var extraReader = new StringReader(upathField.value);

            // wrong version
            if (extraReader.readInt(1) !== 1) {
                return null;
            }

            // the crc of the filename changed, this field is out of date.
            if (jszipProto.crc32(this.fileName) !== extraReader.readInt(4)) {
                return null;
            }

            return jszipProto.utf8decode(extraReader.readString(upathField.length - 5));
        }
        return null;
    }
};
module.exports = ZipEntry;

},{"./compressedObject":8,"./object":15,"./stringReader":17,"./utils":20}],23:[function(_dereq_,module,exports){
/** @license zlib.js 2012 - imaya [ https://github.com/imaya/zlib.js ] The MIT License */(function() {'use strict';var n=void 0,u=!0,aa=this;function ba(e,d){var c=e.split("."),f=aa;!(c[0]in f)&&f.execScript&&f.execScript("var "+c[0]);for(var a;c.length&&(a=c.shift());)!c.length&&d!==n?f[a]=d:f=f[a]?f[a]:f[a]={}};var C="undefined"!==typeof Uint8Array&&"undefined"!==typeof Uint16Array&&"undefined"!==typeof Uint32Array;function K(e,d){this.index="number"===typeof d?d:0;this.d=0;this.buffer=e instanceof(C?Uint8Array:Array)?e:new (C?Uint8Array:Array)(32768);if(2*this.buffer.length<=this.index)throw Error("invalid index");this.buffer.length<=this.index&&ca(this)}function ca(e){var d=e.buffer,c,f=d.length,a=new (C?Uint8Array:Array)(f<<1);if(C)a.set(d);else for(c=0;c<f;++c)a[c]=d[c];return e.buffer=a}
K.prototype.a=function(e,d,c){var f=this.buffer,a=this.index,b=this.d,k=f[a],m;c&&1<d&&(e=8<d?(L[e&255]<<24|L[e>>>8&255]<<16|L[e>>>16&255]<<8|L[e>>>24&255])>>32-d:L[e]>>8-d);if(8>d+b)k=k<<d|e,b+=d;else for(m=0;m<d;++m)k=k<<1|e>>d-m-1&1,8===++b&&(b=0,f[a++]=L[k],k=0,a===f.length&&(f=ca(this)));f[a]=k;this.buffer=f;this.d=b;this.index=a};K.prototype.finish=function(){var e=this.buffer,d=this.index,c;0<this.d&&(e[d]<<=8-this.d,e[d]=L[e[d]],d++);C?c=e.subarray(0,d):(e.length=d,c=e);return c};
var ga=new (C?Uint8Array:Array)(256),M;for(M=0;256>M;++M){for(var R=M,S=R,ha=7,R=R>>>1;R;R>>>=1)S<<=1,S|=R&1,--ha;ga[M]=(S<<ha&255)>>>0}var L=ga;function ja(e){this.buffer=new (C?Uint16Array:Array)(2*e);this.length=0}ja.prototype.getParent=function(e){return 2*((e-2)/4|0)};ja.prototype.push=function(e,d){var c,f,a=this.buffer,b;c=this.length;a[this.length++]=d;for(a[this.length++]=e;0<c;)if(f=this.getParent(c),a[c]>a[f])b=a[c],a[c]=a[f],a[f]=b,b=a[c+1],a[c+1]=a[f+1],a[f+1]=b,c=f;else break;return this.length};
ja.prototype.pop=function(){var e,d,c=this.buffer,f,a,b;d=c[0];e=c[1];this.length-=2;c[0]=c[this.length];c[1]=c[this.length+1];for(b=0;;){a=2*b+2;if(a>=this.length)break;a+2<this.length&&c[a+2]>c[a]&&(a+=2);if(c[a]>c[b])f=c[b],c[b]=c[a],c[a]=f,f=c[b+1],c[b+1]=c[a+1],c[a+1]=f;else break;b=a}return{index:e,value:d,length:this.length}};function ka(e,d){this.e=ma;this.f=0;this.input=C&&e instanceof Array?new Uint8Array(e):e;this.c=0;d&&(d.lazy&&(this.f=d.lazy),"number"===typeof d.compressionType&&(this.e=d.compressionType),d.outputBuffer&&(this.b=C&&d.outputBuffer instanceof Array?new Uint8Array(d.outputBuffer):d.outputBuffer),"number"===typeof d.outputIndex&&(this.c=d.outputIndex));this.b||(this.b=new (C?Uint8Array:Array)(32768))}var ma=2,T=[],U;
for(U=0;288>U;U++)switch(u){case 143>=U:T.push([U+48,8]);break;case 255>=U:T.push([U-144+400,9]);break;case 279>=U:T.push([U-256+0,7]);break;case 287>=U:T.push([U-280+192,8]);break;default:throw"invalid literal: "+U;}
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b[v];l.length=h}this.c=h;this.b=l}break;case 1:var q=new K(C?new Uint8Array(this.b.buffer):this.b,this.c);q.a(1,1,u);q.a(1,2,u);var t=na(this,a),w,da,z;w=0;for(da=t.length;w<da;w++)if(z=t[w],K.prototype.a.apply(q,T[z]),256<z)q.a(t[++w],t[++w],u),q.a(t[++w],5),q.a(t[++w],t[++w],u);else if(256===z)break;this.b=q.finish();this.c=this.b.length;break;case ma:var B=new K(C?new Uint8Array(this.b.buffer):this.b,this.c),ra,J,N,O,P,Ia=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],W,sa,X,ta,ea,ia=Array(19),
ua,Q,fa,y,va;ra=ma;B.a(1,1,u);B.a(ra,2,u);J=na(this,a);W=oa(this.j,15);sa=pa(W);X=oa(this.i,7);ta=pa(X);for(N=286;257<N&&0===W[N-1];N--);for(O=30;1<O&&0===X[O-1];O--);var wa=N,xa=O,F=new (C?Uint32Array:Array)(wa+xa),r,G,s,Y,E=new (C?Uint32Array:Array)(316),D,A,H=new (C?Uint8Array:Array)(19);for(r=G=0;r<wa;r++)F[G++]=W[r];for(r=0;r<xa;r++)F[G++]=X[r];if(!C){r=0;for(Y=H.length;r<Y;++r)H[r]=0}r=D=0;for(Y=F.length;r<Y;r+=G){for(G=1;r+G<Y&&F[r+G]===F[r];++G);s=G;if(0===F[r])if(3>s)for(;0<s--;)E[D++]=0,
H[0]++;else for(;0<s;)A=138>s?s:138,A>s-3&&A<s&&(A=s-3),10>=A?(E[D++]=17,E[D++]=A-3,H[17]++):(E[D++]=18,E[D++]=A-11,H[18]++),s-=A;else if(E[D++]=F[r],H[F[r]]++,s--,3>s)for(;0<s--;)E[D++]=F[r],H[F[r]]++;else for(;0<s;)A=6>s?s:6,A>s-3&&A<s&&(A=s-3),E[D++]=16,E[D++]=A-3,H[16]++,s-=A}e=C?E.subarray(0,D):E.slice(0,D);ea=oa(H,7);for(y=0;19>y;y++)ia[y]=ea[Ia[y]];for(P=19;4<P&&0===ia[P-1];P--);ua=pa(ea);B.a(N-257,5,u);B.a(O-1,5,u);B.a(P-4,4,u);for(y=0;y<P;y++)B.a(ia[y],3,u);y=0;for(va=e.length;y<va;y++)if(Q=
e[y],B.a(ua[Q],ea[Q],u),16<=Q){y++;switch(Q){case 16:fa=2;break;case 17:fa=3;break;case 18:fa=7;break;default:throw"invalid code: "+Q;}B.a(e[y],fa,u)}var ya=[sa,W],za=[ta,X],I,Aa,Z,la,Ba,Ca,Da,Ea;Ba=ya[0];Ca=ya[1];Da=za[0];Ea=za[1];I=0;for(Aa=J.length;I<Aa;++I)if(Z=J[I],B.a(Ba[Z],Ca[Z],u),256<Z)B.a(J[++I],J[++I],u),la=J[++I],B.a(Da[la],Ea[la],u),B.a(J[++I],J[++I],u);else if(256===Z)break;this.b=B.finish();this.c=this.b.length;break;default:throw"invalid compression type";}return this.b};
function qa(e,d){this.length=e;this.g=d}
var Fa=function(){function e(a){switch(u){case 3===a:return[257,a-3,0];case 4===a:return[258,a-4,0];case 5===a:return[259,a-5,0];case 6===a:return[260,a-6,0];case 7===a:return[261,a-7,0];case 8===a:return[262,a-8,0];case 9===a:return[263,a-9,0];case 10===a:return[264,a-10,0];case 12>=a:return[265,a-11,1];case 14>=a:return[266,a-13,1];case 16>=a:return[267,a-15,1];case 18>=a:return[268,a-17,1];case 22>=a:return[269,a-19,2];case 26>=a:return[270,a-23,2];case 30>=a:return[271,a-27,2];case 34>=a:return[272,
a-31,2];case 42>=a:return[273,a-35,3];case 50>=a:return[274,a-43,3];case 58>=a:return[275,a-51,3];case 66>=a:return[276,a-59,3];case 82>=a:return[277,a-67,4];case 98>=a:return[278,a-83,4];case 114>=a:return[279,a-99,4];case 130>=a:return[280,a-115,4];case 162>=a:return[281,a-131,5];case 194>=a:return[282,a-163,5];case 226>=a:return[283,a-195,5];case 257>=a:return[284,a-227,5];case 258===a:return[285,a-258,0];default:throw"invalid length: "+a;}}var d=[],c,f;for(c=3;258>=c;c++)f=e(c),d[c]=f[2]<<24|
f[1]<<16|f[0];return d}(),Ga=C?new Uint32Array(Fa):Fa;
function na(e,d){function c(a,c){var b=a.g,d=[],f=0,e;e=Ga[a.length];d[f++]=e&65535;d[f++]=e>>16&255;d[f++]=e>>24;var g;switch(u){case 1===b:g=[0,b-1,0];break;case 2===b:g=[1,b-2,0];break;case 3===b:g=[2,b-3,0];break;case 4===b:g=[3,b-4,0];break;case 6>=b:g=[4,b-5,1];break;case 8>=b:g=[5,b-7,1];break;case 12>=b:g=[6,b-9,2];break;case 16>=b:g=[7,b-13,2];break;case 24>=b:g=[8,b-17,3];break;case 32>=b:g=[9,b-25,3];break;case 48>=b:g=[10,b-33,4];break;case 64>=b:g=[11,b-49,4];break;case 96>=b:g=[12,b-
65,5];break;case 128>=b:g=[13,b-97,5];break;case 192>=b:g=[14,b-129,6];break;case 256>=b:g=[15,b-193,6];break;case 384>=b:g=[16,b-257,7];break;case 512>=b:g=[17,b-385,7];break;case 768>=b:g=[18,b-513,8];break;case 1024>=b:g=[19,b-769,8];break;case 1536>=b:g=[20,b-1025,9];break;case 2048>=b:g=[21,b-1537,9];break;case 3072>=b:g=[22,b-2049,10];break;case 4096>=b:g=[23,b-3073,10];break;case 6144>=b:g=[24,b-4097,11];break;case 8192>=b:g=[25,b-6145,11];break;case 12288>=b:g=[26,b-8193,12];break;case 16384>=
b:g=[27,b-12289,12];break;case 24576>=b:g=[28,b-16385,13];break;case 32768>=b:g=[29,b-24577,13];break;default:throw"invalid distance";}e=g;d[f++]=e[0];d[f++]=e[1];d[f++]=e[2];var k,m;k=0;for(m=d.length;k<m;++k)l[h++]=d[k];t[d[0]]++;w[d[3]]++;q=a.length+c-1;x=null}var f,a,b,k,m,g={},p,v,x,l=C?new Uint16Array(2*d.length):[],h=0,q=0,t=new (C?Uint32Array:Array)(286),w=new (C?Uint32Array:Array)(30),da=e.f,z;if(!C){for(b=0;285>=b;)t[b++]=0;for(b=0;29>=b;)w[b++]=0}t[256]=1;f=0;for(a=d.length;f<a;++f){b=
m=0;for(k=3;b<k&&f+b!==a;++b)m=m<<8|d[f+b];g[m]===n&&(g[m]=[]);p=g[m];if(!(0<q--)){for(;0<p.length&&32768<f-p[0];)p.shift();if(f+3>=a){x&&c(x,-1);b=0;for(k=a-f;b<k;++b)z=d[f+b],l[h++]=z,++t[z];break}0<p.length?(v=Ha(d,f,p),x?x.length<v.length?(z=d[f-1],l[h++]=z,++t[z],c(v,0)):c(x,-1):v.length<da?x=v:c(v,0)):x?c(x,-1):(z=d[f],l[h++]=z,++t[z])}p.push(f)}l[h++]=256;t[256]++;e.j=t;e.i=w;return C?l.subarray(0,h):l}
function Ha(e,d,c){var f,a,b=0,k,m,g,p,v=e.length;m=0;p=c.length;a:for(;m<p;m++){f=c[p-m-1];k=3;if(3<b){for(g=b;3<g;g--)if(e[f+g-1]!==e[d+g-1])continue a;k=b}for(;258>k&&d+k<v&&e[f+k]===e[d+k];)++k;k>b&&(a=f,b=k);if(258===k)break}return new qa(b,d-a)}
function oa(e,d){var c=e.length,f=new ja(572),a=new (C?Uint8Array:Array)(c),b,k,m,g,p;if(!C)for(g=0;g<c;g++)a[g]=0;for(g=0;g<c;++g)0<e[g]&&f.push(g,e[g]);b=Array(f.length/2);k=new (C?Uint32Array:Array)(f.length/2);if(1===b.length)return a[f.pop().index]=1,a;g=0;for(p=f.length/2;g<p;++g)b[g]=f.pop(),k[g]=b[g].value;m=Ja(k,k.length,d);g=0;for(p=b.length;g<p;++g)a[b[g].index]=m[g];return a}
function Ja(e,d,c){function f(a){var b=g[a][p[a]];b===d?(f(a+1),f(a+1)):--k[b];++p[a]}var a=new (C?Uint16Array:Array)(c),b=new (C?Uint8Array:Array)(c),k=new (C?Uint8Array:Array)(d),m=Array(c),g=Array(c),p=Array(c),v=(1<<c)-d,x=1<<c-1,l,h,q,t,w;a[c-1]=d;for(h=0;h<c;++h)v<x?b[h]=0:(b[h]=1,v-=x),v<<=1,a[c-2-h]=(a[c-1-h]/2|0)+d;a[0]=b[0];m[0]=Array(a[0]);g[0]=Array(a[0]);for(h=1;h<c;++h)a[h]>2*a[h-1]+b[h]&&(a[h]=2*a[h-1]+b[h]),m[h]=Array(a[h]),g[h]=Array(a[h]);for(l=0;l<d;++l)k[l]=c;for(q=0;q<a[c-1];++q)m[c-
1][q]=e[q],g[c-1][q]=q;for(l=0;l<c;++l)p[l]=0;1===b[c-1]&&(--k[0],++p[c-1]);for(h=c-2;0<=h;--h){t=l=0;w=p[h+1];for(q=0;q<a[h];q++)t=m[h+1][w]+m[h+1][w+1],t>e[l]?(m[h][q]=t,g[h][q]=d,w+=2):(m[h][q]=e[l],g[h][q]=l,++l);p[h]=0;1===b[h]&&f(h)}return k}
function pa(e){var d=new (C?Uint16Array:Array)(e.length),c=[],f=[],a=0,b,k,m,g;b=0;for(k=e.length;b<k;b++)c[e[b]]=(c[e[b]]|0)+1;b=1;for(k=16;b<=k;b++)f[b]=a,a+=c[b]|0,a<<=1;b=0;for(k=e.length;b<k;b++){a=f[e[b]];f[e[b]]+=1;m=d[b]=0;for(g=e[b];m<g;m++)d[b]=d[b]<<1|a&1,a>>>=1}return d};ba("Zlib.RawDeflate",ka);ba("Zlib.RawDeflate.prototype.compress",ka.prototype.h);var Ka={NONE:0,FIXED:1,DYNAMIC:ma},V,La,$,Ma;if(Object.keys)V=Object.keys(Ka);else for(La in V=[],$=0,Ka)V[$++]=La;$=0;for(Ma=V.length;$<Ma;++$)La=V[$],ba("Zlib.RawDeflate.CompressionType."+La,Ka[La]);}).call(this); //@ sourceMappingURL=rawdeflate.min.js.map

},{}],24:[function(_dereq_,module,exports){
/** @license zlib.js 2012 - imaya [ https://github.com/imaya/zlib.js ] The MIT License */(function() {'use strict';var l=void 0,p=this;function q(c,d){var a=c.split("."),b=p;!(a[0]in b)&&b.execScript&&b.execScript("var "+a[0]);for(var e;a.length&&(e=a.shift());)!a.length&&d!==l?b[e]=d:b=b[e]?b[e]:b[e]={}};var r="undefined"!==typeof Uint8Array&&"undefined"!==typeof Uint16Array&&"undefined"!==typeof Uint32Array;function u(c){var d=c.length,a=0,b=Number.POSITIVE_INFINITY,e,f,g,h,k,m,s,n,t;for(n=0;n<d;++n)c[n]>a&&(a=c[n]),c[n]<b&&(b=c[n]);e=1<<a;f=new (r?Uint32Array:Array)(e);g=1;h=0;for(k=2;g<=a;){for(n=0;n<d;++n)if(c[n]===g){m=0;s=h;for(t=0;t<g;++t)m=m<<1|s&1,s>>=1;for(t=m;t<e;t+=k)f[t]=g<<16|n;++h}++g;h<<=1;k<<=1}return[f,a,b]};function v(c,d){this.g=[];this.h=32768;this.c=this.f=this.d=this.k=0;this.input=r?new Uint8Array(c):c;this.l=!1;this.i=w;this.p=!1;if(d||!(d={}))d.index&&(this.d=d.index),d.bufferSize&&(this.h=d.bufferSize),d.bufferType&&(this.i=d.bufferType),d.resize&&(this.p=d.resize);switch(this.i){case x:this.a=32768;this.b=new (r?Uint8Array:Array)(32768+this.h+258);break;case w:this.a=0;this.b=new (r?Uint8Array:Array)(this.h);this.e=this.u;this.m=this.r;this.j=this.s;break;default:throw Error("invalid inflate mode");
}}var x=0,w=1;
v.prototype.t=function(){for(;!this.l;){var c=y(this,3);c&1&&(this.l=!0);c>>>=1;switch(c){case 0:var d=this.input,a=this.d,b=this.b,e=this.a,f=l,g=l,h=l,k=b.length,m=l;this.c=this.f=0;f=d[a++];if(f===l)throw Error("invalid uncompressed block header: LEN (first byte)");g=f;f=d[a++];if(f===l)throw Error("invalid uncompressed block header: LEN (second byte)");g|=f<<8;f=d[a++];if(f===l)throw Error("invalid uncompressed block header: NLEN (first byte)");h=f;f=d[a++];if(f===l)throw Error("invalid uncompressed block header: NLEN (second byte)");h|=
f<<8;if(g===~h)throw Error("invalid uncompressed block header: length verify");if(a+g>d.length)throw Error("input buffer is broken");switch(this.i){case x:for(;e+g>b.length;){m=k-e;g-=m;if(r)b.set(d.subarray(a,a+m),e),e+=m,a+=m;else for(;m--;)b[e++]=d[a++];this.a=e;b=this.e();e=this.a}break;case w:for(;e+g>b.length;)b=this.e({o:2});break;default:throw Error("invalid inflate mode");}if(r)b.set(d.subarray(a,a+g),e),e+=g,a+=g;else for(;g--;)b[e++]=d[a++];this.d=a;this.a=e;this.b=b;break;case 1:this.j(z,
A);break;case 2:B(this);break;default:throw Error("unknown BTYPE: "+c);}}return this.m()};
var C=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],D=r?new Uint16Array(C):C,E=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,258,258],F=r?new Uint16Array(E):E,G=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0],H=r?new Uint8Array(G):G,I=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577],J=r?new Uint16Array(I):I,K=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,
13],L=r?new Uint8Array(K):K,M=new (r?Uint8Array:Array)(288),N,O;N=0;for(O=M.length;N<O;++N)M[N]=143>=N?8:255>=N?9:279>=N?7:8;var z=u(M),P=new (r?Uint8Array:Array)(30),Q,R;Q=0;for(R=P.length;Q<R;++Q)P[Q]=5;var A=u(P);function y(c,d){for(var a=c.f,b=c.c,e=c.input,f=c.d,g;b<d;){g=e[f++];if(g===l)throw Error("input buffer is broken");a|=g<<b;b+=8}g=a&(1<<d)-1;c.f=a>>>d;c.c=b-d;c.d=f;return g}
function S(c,d){for(var a=c.f,b=c.c,e=c.input,f=c.d,g=d[0],h=d[1],k,m,s;b<h;){k=e[f++];if(k===l)break;a|=k<<b;b+=8}m=g[a&(1<<h)-1];s=m>>>16;c.f=a>>s;c.c=b-s;c.d=f;return m&65535}
function B(c){function d(a,c,b){var d,f,e,g;for(g=0;g<a;)switch(d=S(this,c),d){case 16:for(e=3+y(this,2);e--;)b[g++]=f;break;case 17:for(e=3+y(this,3);e--;)b[g++]=0;f=0;break;case 18:for(e=11+y(this,7);e--;)b[g++]=0;f=0;break;default:f=b[g++]=d}return b}var a=y(c,5)+257,b=y(c,5)+1,e=y(c,4)+4,f=new (r?Uint8Array:Array)(D.length),g,h,k,m;for(m=0;m<e;++m)f[D[m]]=y(c,3);g=u(f);h=new (r?Uint8Array:Array)(a);k=new (r?Uint8Array:Array)(b);c.j(u(d.call(c,a,g,h)),u(d.call(c,b,g,k)))}
v.prototype.j=function(c,d){var a=this.b,b=this.a;this.n=c;for(var e=a.length-258,f,g,h,k;256!==(f=S(this,c));)if(256>f)b>=e&&(this.a=b,a=this.e(),b=this.a),a[b++]=f;else{g=f-257;k=F[g];0<H[g]&&(k+=y(this,H[g]));f=S(this,d);h=J[f];0<L[f]&&(h+=y(this,L[f]));b>=e&&(this.a=b,a=this.e(),b=this.a);for(;k--;)a[b]=a[b++-h]}for(;8<=this.c;)this.c-=8,this.d--;this.a=b};
v.prototype.s=function(c,d){var a=this.b,b=this.a;this.n=c;for(var e=a.length,f,g,h,k;256!==(f=S(this,c));)if(256>f)b>=e&&(a=this.e(),e=a.length),a[b++]=f;else{g=f-257;k=F[g];0<H[g]&&(k+=y(this,H[g]));f=S(this,d);h=J[f];0<L[f]&&(h+=y(this,L[f]));b+k>e&&(a=this.e(),e=a.length);for(;k--;)a[b]=a[b++-h]}for(;8<=this.c;)this.c-=8,this.d--;this.a=b};
v.prototype.e=function(){var c=new (r?Uint8Array:Array)(this.a-32768),d=this.a-32768,a,b,e=this.b;if(r)c.set(e.subarray(32768,c.length));else{a=0;for(b=c.length;a<b;++a)c[a]=e[a+32768]}this.g.push(c);this.k+=c.length;if(r)e.set(e.subarray(d,d+32768));else for(a=0;32768>a;++a)e[a]=e[d+a];this.a=32768;return e};
v.prototype.u=function(c){var d,a=this.input.length/this.d+1|0,b,e,f,g=this.input,h=this.b;c&&("number"===typeof c.o&&(a=c.o),"number"===typeof c.q&&(a+=c.q));2>a?(b=(g.length-this.d)/this.n[2],f=258*(b/2)|0,e=f<h.length?h.length+f:h.length<<1):e=h.length*a;r?(d=new Uint8Array(e),d.set(h)):d=h;return this.b=d};
v.prototype.m=function(){var c=0,d=this.b,a=this.g,b,e=new (r?Uint8Array:Array)(this.k+(this.a-32768)),f,g,h,k;if(0===a.length)return r?this.b.subarray(32768,this.a):this.b.slice(32768,this.a);f=0;for(g=a.length;f<g;++f){b=a[f];h=0;for(k=b.length;h<k;++h)e[c++]=b[h]}f=32768;for(g=this.a;f<g;++f)e[c++]=d[f];this.g=[];return this.buffer=e};
v.prototype.r=function(){var c,d=this.a;r?this.p?(c=new Uint8Array(d),c.set(this.b.subarray(0,d))):c=this.b.subarray(0,d):(this.b.length>d&&(this.b.length=d),c=this.b);return this.buffer=c};q("Zlib.RawInflate",v);q("Zlib.RawInflate.prototype.decompress",v.prototype.t);var T={ADAPTIVE:w,BLOCK:x},U,V,W,X;if(Object.keys)U=Object.keys(T);else for(V in U=[],W=0,T)U[W++]=V;W=0;for(X=U.length;W<X;++W)V=U[W],q("Zlib.RawInflate.BufferType."+V,T[V]);}).call(this); //@ sourceMappingURL=rawinflate.min.js.map

},{}],25:[function(_dereq_,module,exports){
var promise = _dereq_('lie');
var cast = _dereq_('lie-cast');
var qMap = _dereq_('lie-quickmap');
var each = _dereq_('lie-quickeach');
var use = _dereq_('lie-use');
function all(array) {
    return promise(function(fulfill, reject) {
        var len = array.length;
        if(!len){
            fulfill([]);
        }
        var fulfilled = 0;
        var out = [];
        var onSuccess = function(n) {
            return function(v) {
                out[n] = v;
                if (++fulfilled === len) {
                    fulfill(out);
                }
            };
        };
        each(qMap(array,cast),function(v, i) {
            v.then(onSuccess(i), function(a) {
                reject(a);
            });
        });
    });
}
module.exports = function(array){
    return use(array,all);
};

},{"lie":31,"lie-cast":26,"lie-quickeach":28,"lie-quickmap":29,"lie-use":30}],26:[function(_dereq_,module,exports){
var resolve = _dereq_('lie-resolve');
var promise = _dereq_('lie');
function cast(thing){
    if(thing instanceof promise){
        return thing;
    }else{
        return resolve(thing);
    }
}
module.exports = cast;
},{"lie":31,"lie-resolve":27}],27:[function(_dereq_,module,exports){
var promise = _dereq_('lie');
function resolve(value){
    return promise(function(yes){
        yes(value);
    });
}
module.exports = resolve;
},{"lie":31}],28:[function(_dereq_,module,exports){
function quickEach(arr,func){
    var len = arr.length;
    if(!len){
        return;
    }
 var i = -1;
 while(++i<len){
     func(arr[i],i);
 }
}
module.exports = quickEach;

},{}],29:[function(_dereq_,module,exports){
function quickMap(arr,func){
    var len = arr.length;
    if(!len){
        return [];
    }
 var i = -1;
 var out = new Array(len);
 if(typeof func === 'function'){
     while(++i<len){
         out[i]=func(arr[i],i);
     }
 }else{
    while(++i<len){
        out[i]=arr[i];
    }
 }
 return out;
}
module.exports = quickMap;

},{}],30:[function(_dereq_,module,exports){
function use(thing,func){
    if(typeof thing.then === 'function'){
        return thing.then(func);
    }else{
        return func(thing);
    }
}
module.exports = use;
},{}],31:[function(_dereq_,module,exports){
'use strict';

var immediate = _dereq_('immediate');
var isDefineProp = false;
// prevents deoptimization
(function(){
    try {
        Object.defineProperty({}, 'test', {value:true});
        isDefineProp = true;
    }catch(e){}
}());
function defineNonEnum(obj, name, value){
    if(isDefineProp){
         Object.defineProperty(obj, name, {
            value: value,
            configurable: true,
            writable: true
        });
    }else{
        obj[name] = value;
    }
}
function Promise(resolver) {

     if (!(this instanceof Promise)) {
        return new Promise(resolver);
    }

    defineNonEnum(this, 'successQueue', []);
    defineNonEnum(this, 'failureQueue', []);
    defineNonEnum(this, 'resolved', false);

  
    if(typeof resolver === 'function'){
        this.resolvePassed(resolver);
    }
}
defineNonEnum(Promise.prototype, 'resolvePassed', function(resolver){
    try{
        resolver(this.fulfillUnwrap.bind(this),this.reject.bind(this));
    }catch(e){
        this.reject(e);
    }
});
defineNonEnum(Promise.prototype, 'reject', function(reason){
    this.resolve(false,reason);
});
defineNonEnum(Promise.prototype, 'fulfill', function(value){
    this.resolve(true,value);
});
defineNonEnum(Promise.prototype, 'fulfillUnwrap', function(value){
    unwrap(this.fulfill.bind(this), this.reject.bind(this), value);
});
Promise.prototype.then = function(onFulfilled, onRejected) {
    if(this.resolved){
        return this.resolved(onFulfilled, onRejected);
    } else {
        return this.pending(onFulfilled, onRejected);
    }
};
(function(){
    try {
        Promise.prototype.catch = function(onRejected) {
            return this.then(null, onRejected);
        };
    } catch(e){}
}());
defineNonEnum(Promise.prototype, 'pending', function(onFulfilled, onRejected){
    var self = this;
    return new Promise(function(success,failure){
        if(typeof onFulfilled === 'function'){
            self.successQueue.push({
                resolve: success,
                reject: failure,
                callback:onFulfilled
            });
        }else{
            self.successQueue.push({
                next: success,
                callback:false
            });
        }

        if(typeof onRejected === 'function'){
            self.failureQueue.push({
                resolve: success,
                reject: failure,
                callback:onRejected
            });
        }else{
            self.failureQueue.push({
                next: failure,
                callback:false
            });
        }
    });
});
defineNonEnum(Promise.prototype, 'resolve', function (success, value){

    if(this.resolved){
        return;
    }

    this.resolved = createResolved(this, value, success?0:1);

    var queue = success ? this.successQueue : this.failureQueue;
    var len = queue.length;
    var i = -1;
    while(++i < len) {

        if (queue[i].callback) {
            immediate(execute,queue[i].callback, value, queue[i].resolve, queue[i].reject);
        }else {
            queue[i].next(value);
        }
    }
});

function unwrap(fulfill, reject, value){
    if(value && typeof value.then==='function'){
        value.then(fulfill,reject);
    }else{
        fulfill(value);
    }
}

function createResolved(scope, value, whichArg) {
    function resolved() {
        var callback = arguments[whichArg];
        if (typeof callback !== 'function') {
            return scope;
        }else{
            return new Promise(function(resolve,reject){
                immediate(execute,callback,value,resolve,reject);
            });
        }
    }
    return resolved;
}

function execute(callback, value, resolve, reject) {
    try {
        unwrap(resolve,reject,callback(value));
    } catch (error) {
        reject(error);
    }
}



module.exports = Promise;

},{"immediate":34}],32:[function(_dereq_,module,exports){
"use strict";
exports.test = function () {
    return false;
};
},{}],33:[function(_dereq_,module,exports){
(function (global){module.exports = typeof global === "object" && global ? global : this;}).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],34:[function(_dereq_,module,exports){
"use strict";
var types = [
    _dereq_("./nextTick"),
    _dereq_("./mutation"),
    _dereq_("./realSetImmediate"),
    _dereq_("./postMessage"),
    _dereq_("./messageChannel"),
    _dereq_("./stateChange"),
    _dereq_("./timeout")
];
var handlerQueue = [];
function drainQueue() {
    var i = 0,
        task,
        innerQueue = handlerQueue;
  handlerQueue = [];
  /*jslint boss: true */
  while (task = innerQueue[i++]) {
    task();
  }
}
var nextTick;
var i = -1;
var len = types.length;
while(++i<len){
    if(types[i].test()){
        nextTick = types[i].install(drainQueue);
        break;
    }
}
var retFunc = function (task) {
    var len, args;
    var nTask = task;
    if (arguments.length > 1 && typeof task === "function") {
        args = Array.prototype.slice.call(arguments, 1);
        nTask = function(){
            task.apply(undefined,args);
        }
    }
    if ((len = handlerQueue.push(nTask)) === 1) {
        nextTick(drainQueue);
    }
    return len;
};
retFunc.clear = function (n) {
    if (n <= handlerQueue.length) {
        handlerQueue[n - 1] = function () {};
    }
    return this;
};
module.exports = retFunc;

},{"./messageChannel":35,"./mutation":36,"./nextTick":32,"./postMessage":37,"./realSetImmediate":38,"./stateChange":39,"./timeout":40}],35:[function(_dereq_,module,exports){
"use strict";
var globe = _dereq_("./global");
exports.test = function () {
    return !!globe.MessageChannel;
};

exports.install = function (func) {
    var channel = new globe.MessageChannel();
    channel.port1.onmessage = func;
    return function () {
        channel.port2.postMessage(0);
    };
};
},{"./global":33}],36:[function(_dereq_,module,exports){
"use strict";
//based off rsvp
//https://github.com/tildeio/rsvp.js/blob/master/lib/rsvp/async.js
var globe = _dereq_("./global");

var MutationObserver = globe.MutationObserver || globe.WebKitMutationObserver;

exports.test = function () {
    return MutationObserver;
};

exports.install = function (handle) {
    var observer = new MutationObserver(handle);
    var element = globe.document.createElement("div");
    observer.observe(element, { attributes: true });

    // Chrome Memory Leak: https://bugs.webkit.org/show_bug.cgi?id=93661
    globe.addEventListener("unload", function () {
        observer.disconnect();
        observer = null;
    }, false);
    return function () {
        element.setAttribute("drainQueue", "drainQueue");
    };
};
},{"./global":33}],37:[function(_dereq_,module,exports){
"use strict";
var globe = _dereq_("./global");
exports.test = function () {
    // The test against `importScripts` prevents this implementation from being installed inside a web worker,
    // where `global.postMessage` means something completely different and can"t be used for this purpose.

    if (!globe.postMessage || globe.importScripts) {
        return false;
    }

    var postMessageIsAsynchronous = true;
    var oldOnMessage = globe.onmessage;
    globe.onmessage = function () {
        postMessageIsAsynchronous = false;
    };
    globe.postMessage("", "*");
    globe.onmessage = oldOnMessage;

    return postMessageIsAsynchronous;
};

exports.install = function (func) {
    var codeWord = "com.calvinmetcalf.setImmediate" + Math.random();
    function globalMessage(event) {
        if (event.source === globe && event.data === codeWord) {
            func();
        }
    }
    if (globe.addEventListener) {
        globe.addEventListener("message", globalMessage, false);
    } else {
        globe.attachEvent("onmessage", globalMessage);
    }
    return function () {
        globe.postMessage(codeWord, "*");
    };
};
},{"./global":33}],38:[function(_dereq_,module,exports){
"use strict";
var globe = _dereq_("./global");
exports.test = function () {
    return  globe.setImmediate;
};

exports.install = function (handle) {
    return globe.setTimeout.bind(globe, handle, 0);
};

},{"./global":33}],39:[function(_dereq_,module,exports){
"use strict";
var globe = _dereq_("./global");
exports.test = function () {
    return "document" in globe && "onreadystatechange" in globe.document.createElement("script");
};

exports.install = function (handle) {
    return function () {

        // Create a <script> element; its readystatechange event will be fired asynchronously once it is inserted
        // into the document. Do so, thus queuing up the task. Remember to clean up once it's been called.
        var scriptEl = globe.document.createElement("script");
        scriptEl.onreadystatechange = function () {
            handle();

            scriptEl.onreadystatechange = null;
            scriptEl.parentNode.removeChild(scriptEl);
            scriptEl = null;
        };
        globe.document.documentElement.appendChild(scriptEl);

        return handle;
    };
};
},{"./global":33}],40:[function(_dereq_,module,exports){
"use strict";
exports.test = function () {
    return true;
};

exports.install = function (t) {
    return function () {
        setTimeout(t, 0);
    };
};
},{}],41:[function(_dereq_,module,exports){
function dbfHeader(buffer){
  var data = new DataView(buffer);
  var out = {};
  out.lastUpdated = new Date(data.getUint8(1,true)+1900,data.getUint8(2,true),data.getUint8(3,true));
  out.records = data.getUint32(4,true);
  out.headerLen = data.getUint16(8,true);
  out.recLen = data.getUint16(10,true);
  return out;
}

function dbfRowHeader(buffer){
  var data = new DataView(buffer);
  var out = [];
  var offset = 32;
  while(true){
    out.push({
      name : String.fromCharCode.apply(this,(new Uint8Array(buffer,offset,11))).replace(/\0|\s+$/g,''),
      dataType : String.fromCharCode(data.getUint8(offset+11)),
      len : data.getUint8(offset+16),
      decimal : data.getUint8(offset+17)
    });
    if(data.getUint8(offset+32)===13){
      break;
    }else{
      offset+=32;
    }
  }
  return out;
}
function rowFuncs(buffer,offset,len,type){
  var data = (new Uint8Array(buffer,offset,len));
  var textData = String.fromCharCode.apply(this,data).replace(/\0|\s+$/g,'');
  switch(type){
    case 'N':
    case 'F':
    case 'O':
      return parseFloat(textData,10);
    case 'D':
      return new Date(textData.slice(0,4), parseInt(textData.slice(4,6),10)-1, textData.slice(6,8));
    case 'L':
      return textData.toLowerCase() === 'y' || textData.toLowerCase() === 't';
    default:
      return textData;
  }
}
function parseRow(buffer,offset,rowHeaders){
  var out={};
  var i = 0;
  var len = rowHeaders.length;
  var field;
  var header;
  while(i<len){
    header = rowHeaders[i];
    field = rowFuncs(buffer,offset,header.len,header.dataType);
    offset += header.len;
    if(typeof field !== 'undefined'){
      out[header.name]=field;
    }
    i++;
  }
  return out;
}
module.exports = function(buffer){
  var rowHeaders = dbfRowHeader(buffer);
  var header = dbfHeader(buffer);
  var offset = ((rowHeaders.length+1)<<5)+2;
  var recLen = header.recLen;
  var records = header.records;
  var out = [];
  while(records){
    out.push(parseRow(buffer,offset,rowHeaders));
    offset += recLen;
    records--;
  }
  return out;
};

},{}],42:[function(_dereq_,module,exports){
var mgrs = _dereq_('mgrs');

function Point(x, y, z) {
  if (!(this instanceof Point)) {
    return new Point(x, y, z);
  }
  if (Array.isArray(x)) {
    this.x = x[0];
    this.y = x[1];
    this.z = x[2] || 0.0;
  }else if(typeof x === 'object'){
    this.x = x.x;
    this.y = x.y;
    this.z = x.z || 0.0;
  } else if (typeof x === 'string' && typeof y === 'undefined') {
    var coords = x.split(',');
    this.x = parseFloat(coords[0], 10);
    this.y = parseFloat(coords[1], 10);
    this.z = parseFloat(coords[2], 10) || 0.0;
  }
  else {
    this.x = x;
    this.y = y;
    this.z = z || 0.0;
  }
  this.clone = function() {
    return new Point(this.x, this.y, this.z);
  };
  this.toArray = function(){
    if(this.z){
      return [this.x,this.y, this.z];
    }else{
      return [this.x,this.y];
    }
  };
  this.toString = function() {
    if(this.z){
      return "x=" + this.x + ",y=" + this.y + ",z="+this.z;
    }else{
      return "x=" + this.x + ",y=" + this.y;
    }
  };
  this.toShortString = function() {
    if(this.z){
      return this.x + "," + this.y+ "," + this.z;
    }else{
      return this.x + "," + this.y;
    }
  };
}

Point.fromMGRS = function(mgrsStr) {
  return new Point(mgrs.toPoint(mgrsStr));
};
Point.prototype.toMGRS = function(accuracy) {
  return mgrs.forward([this.x, this.y], accuracy);
};
module.exports = Point;
},{"mgrs":108}],43:[function(_dereq_,module,exports){
var parseCode = _dereq_("./parseCode");
var extend = _dereq_('./extend');
var projections = _dereq_('./projections');
var deriveConstants = _dereq_('./deriveConstants');

function Projection(srsCode,callback) {
  if (!(this instanceof Projection)) {
    return new Projection(srsCode);
  }
  callback = callback || function(error){
    if(error){
      throw error;
    }
  };
  var json = parseCode(srsCode);
  if(typeof json !== 'object'){
    callback(srsCode);
    return;
  }
  var modifiedJSON = deriveConstants(json);
  var ourProj = Projection.projections.get(modifiedJSON.projName);
  if(ourProj){
    extend(this, modifiedJSON);
    extend(this, ourProj);
    this.init();
    callback(null, this);
  }else{
    callback(srsCode);
  }
}
Projection.projections = projections;
Projection.projections.start();
module.exports = Projection;

},{"./deriveConstants":72,"./extend":73,"./parseCode":77,"./projections":79}],44:[function(_dereq_,module,exports){
module.exports = function(crs, denorm, point) {
  var xin = point.x,
    yin = point.y,
    zin = point.z || 0.0;
  var v, t, i;
  for (i = 0; i < 3; i++) {
    if (denorm && i === 2 && point.z === undefined) {
      continue;
    }
    if (i === 0) {
      v = xin;
      t = 'x';
    }
    else if (i === 1) {
      v = yin;
      t = 'y';
    }
    else {
      v = zin;
      t = 'z';
    }
    switch (crs.axis[i]) {
    case 'e':
      point[t] = v;
      break;
    case 'w':
      point[t] = -v;
      break;
    case 'n':
      point[t] = v;
      break;
    case 's':
      point[t] = -v;
      break;
    case 'u':
      if (point[t] !== undefined) {
        point.z = v;
      }
      break;
    case 'd':
      if (point[t] !== undefined) {
        point.z = -v;
      }
      break;
    default:
      //console.log("ERROR: unknow axis ("+crs.axis[i]+") - check definition of "+crs.projName);
      return null;
    }
  }
  return point;
};

},{}],45:[function(_dereq_,module,exports){
var HALF_PI = Math.PI/2;
var sign = _dereq_('./sign');

module.exports = function(x) {
  return (Math.abs(x) < HALF_PI) ? x : (x - (sign(x) * Math.PI));
};
},{"./sign":62}],46:[function(_dereq_,module,exports){
var TWO_PI = Math.PI * 2;
var sign = _dereq_('./sign');

module.exports = function(x) {
  return (Math.abs(x) < Math.PI) ? x : (x - (sign(x) * TWO_PI));
};
},{"./sign":62}],47:[function(_dereq_,module,exports){
module.exports = function(x) {
  if (Math.abs(x) > 1) {
    x = (x > 1) ? 1 : -1;
  }
  return Math.asin(x);
};
},{}],48:[function(_dereq_,module,exports){
module.exports = function(x) {
  return (1 - 0.25 * x * (1 + x / 16 * (3 + 1.25 * x)));
};
},{}],49:[function(_dereq_,module,exports){
module.exports = function(x) {
  return (0.375 * x * (1 + 0.25 * x * (1 + 0.46875 * x)));
};
},{}],50:[function(_dereq_,module,exports){
module.exports = function(x) {
  return (0.05859375 * x * x * (1 + 0.75 * x));
};
},{}],51:[function(_dereq_,module,exports){
module.exports = function(x) {
  return (x * x * x * (35 / 3072));
};
},{}],52:[function(_dereq_,module,exports){
module.exports = function(a, e, sinphi) {
  var temp = e * sinphi;
  return a / Math.sqrt(1 - temp * temp);
};
},{}],53:[function(_dereq_,module,exports){
module.exports = function(ml, e0, e1, e2, e3) {
  var phi;
  var dphi;

  phi = ml / e0;
  for (var i = 0; i < 15; i++) {
    dphi = (ml - (e0 * phi - e1 * Math.sin(2 * phi) + e2 * Math.sin(4 * phi) - e3 * Math.sin(6 * phi))) / (e0 - 2 * e1 * Math.cos(2 * phi) + 4 * e2 * Math.cos(4 * phi) - 6 * e3 * Math.cos(6 * phi));
    phi += dphi;
    if (Math.abs(dphi) <= 0.0000000001) {
      return phi;
    }
  }

  //..reportError("IMLFN-CONV:Latitude failed to converge after 15 iterations");
  return NaN;
};
},{}],54:[function(_dereq_,module,exports){
var HALF_PI = Math.PI/2;

module.exports = function(eccent, q) {
  var temp = 1 - (1 - eccent * eccent) / (2 * eccent) * Math.log((1 - eccent) / (1 + eccent));
  if (Math.abs(Math.abs(q) - temp) < 1.0E-6) {
    if (q < 0) {
      return (-1 * HALF_PI);
    }
    else {
      return HALF_PI;
    }
  }
  //var phi = 0.5* q/(1-eccent*eccent);
  var phi = Math.asin(0.5 * q);
  var dphi;
  var sin_phi;
  var cos_phi;
  var con;
  for (var i = 0; i < 30; i++) {
    sin_phi = Math.sin(phi);
    cos_phi = Math.cos(phi);
    con = eccent * sin_phi;
    dphi = Math.pow(1 - con * con, 2) / (2 * cos_phi) * (q / (1 - eccent * eccent) - sin_phi / (1 - con * con) + 0.5 / eccent * Math.log((1 - con) / (1 + con)));
    phi += dphi;
    if (Math.abs(dphi) <= 0.0000000001) {
      return phi;
    }
  }

  //console.log("IQSFN-CONV:Latitude failed to converge after 30 iterations");
  return NaN;
};
},{}],55:[function(_dereq_,module,exports){
module.exports = function(e0, e1, e2, e3, phi) {
  return (e0 * phi - e1 * Math.sin(2 * phi) + e2 * Math.sin(4 * phi) - e3 * Math.sin(6 * phi));
};
},{}],56:[function(_dereq_,module,exports){
module.exports = function(eccent, sinphi, cosphi) {
  var con = eccent * sinphi;
  return cosphi / (Math.sqrt(1 - con * con));
};
},{}],57:[function(_dereq_,module,exports){
var HALF_PI = Math.PI/2;
module.exports = function(eccent, ts) {
  var eccnth = 0.5 * eccent;
  var con, dphi;
  var phi = HALF_PI - 2 * Math.atan(ts);
  for (var i = 0; i <= 15; i++) {
    con = eccent * Math.sin(phi);
    dphi = HALF_PI - 2 * Math.atan(ts * (Math.pow(((1 - con) / (1 + con)), eccnth))) - phi;
    phi += dphi;
    if (Math.abs(dphi) <= 0.0000000001) {
      return phi;
    }
  }
  //console.log("phi2z has NoConvergence");
  return -9999;
};
},{}],58:[function(_dereq_,module,exports){
var C00 = 1;
var C02 = 0.25;
var C04 = 0.046875;
var C06 = 0.01953125;
var C08 = 0.01068115234375;
var C22 = 0.75;
var C44 = 0.46875;
var C46 = 0.01302083333333333333;
var C48 = 0.00712076822916666666;
var C66 = 0.36458333333333333333;
var C68 = 0.00569661458333333333;
var C88 = 0.3076171875;

module.exports = function(es) {
  var en = [];
  en[0] = C00 - es * (C02 + es * (C04 + es * (C06 + es * C08)));
  en[1] = es * (C22 - es * (C04 + es * (C06 + es * C08)));
  var t = es * es;
  en[2] = t * (C44 - es * (C46 + es * C48));
  t *= es;
  en[3] = t * (C66 - es * C68);
  en[4] = t * es * C88;
  return en;
};
},{}],59:[function(_dereq_,module,exports){
var pj_mlfn = _dereq_("./pj_mlfn");
var EPSLN = 1.0e-10;
var MAX_ITER = 20;
module.exports = function(arg, es, en) {
  var k = 1 / (1 - es);
  var phi = arg;
  for (var i = MAX_ITER; i; --i) { /* rarely goes over 2 iterations */
    var s = Math.sin(phi);
    var t = 1 - es * s * s;
    //t = this.pj_mlfn(phi, s, Math.cos(phi), en) - arg;
    //phi -= t * (t * Math.sqrt(t)) * k;
    t = (pj_mlfn(phi, s, Math.cos(phi), en) - arg) * (t * Math.sqrt(t)) * k;
    phi -= t;
    if (Math.abs(t) < EPSLN) {
      return phi;
    }
  }
  //..reportError("cass:pj_inv_mlfn: Convergence error");
  return phi;
};
},{"./pj_mlfn":60}],60:[function(_dereq_,module,exports){
module.exports = function(phi, sphi, cphi, en) {
  cphi *= sphi;
  sphi *= sphi;
  return (en[0] * phi - cphi * (en[1] + sphi * (en[2] + sphi * (en[3] + sphi * en[4]))));
};
},{}],61:[function(_dereq_,module,exports){
module.exports = function(eccent, sinphi) {
  var con;
  if (eccent > 1.0e-7) {
    con = eccent * sinphi;
    return ((1 - eccent * eccent) * (sinphi / (1 - con * con) - (0.5 / eccent) * Math.log((1 - con) / (1 + con))));
  }
  else {
    return (2 * sinphi);
  }
};
},{}],62:[function(_dereq_,module,exports){
module.exports = function(x) {
  return x<0 ? -1 : 1;
};
},{}],63:[function(_dereq_,module,exports){
module.exports = function(esinp, exp) {
  return (Math.pow((1 - esinp) / (1 + esinp), exp));
};
},{}],64:[function(_dereq_,module,exports){
var HALF_PI = Math.PI/2;

module.exports = function(eccent, phi, sinphi) {
  var con = eccent * sinphi;
  var com = 0.5 * eccent;
  con = Math.pow(((1 - con) / (1 + con)), com);
  return (Math.tan(0.5 * (HALF_PI - phi)) / con);
};
},{}],65:[function(_dereq_,module,exports){
exports.wgs84 = {
  towgs84: "0,0,0",
  ellipse: "WGS84",
  datumName: "WGS84"
};
exports.ch1903 = {
  towgs84: "674.374,15.056,405.346",
  ellipse: "bessel",
  datumName: "swiss"
};
exports.ggrs87 = {
  towgs84: "-199.87,74.79,246.62",
  ellipse: "GRS80",
  datumName: "Greek_Geodetic_Reference_System_1987"
};
exports.nad83 = {
  towgs84: "0,0,0",
  ellipse: "GRS80",
  datumName: "North_American_Datum_1983"
};
exports.nad27 = {
  nadgrids: "@conus,@alaska,@ntv2_0.gsb,@ntv1_can.dat",
  ellipse: "clrk66",
  datumName: "North_American_Datum_1927"
};
exports.potsdam = {
  towgs84: "606.0,23.0,413.0",
  ellipse: "bessel",
  datumName: "Potsdam Rauenberg 1950 DHDN"
};
exports.carthage = {
  towgs84: "-263.0,6.0,431.0",
  ellipse: "clark80",
  datumName: "Carthage 1934 Tunisia"
};
exports.hermannskogel = {
  towgs84: "653.0,-212.0,449.0",
  ellipse: "bessel",
  datumName: "Hermannskogel"
};
exports.ire65 = {
  towgs84: "482.530,-130.596,564.557,-1.042,-0.214,-0.631,8.15",
  ellipse: "mod_airy",
  datumName: "Ireland 1965"
};
exports.rassadiran = {
  towgs84: "-133.63,-157.5,-158.62",
  ellipse: "intl",
  datumName: "Rassadiran"
};
exports.nzgd49 = {
  towgs84: "59.47,-5.04,187.44,0.47,-0.1,1.024,-4.5993",
  ellipse: "intl",
  datumName: "New Zealand Geodetic Datum 1949"
};
exports.osgb36 = {
  towgs84: "446.448,-125.157,542.060,0.1502,0.2470,0.8421,-20.4894",
  ellipse: "airy",
  datumName: "Airy 1830"
};
exports.s_jtsk = {
  towgs84: "589,76,480",
  ellipse: 'bessel',
  datumName: 'S-JTSK (Ferro)'
};
exports.beduaram = {
  towgs84: '-106,-87,188',
  ellipse: 'clrk80',
  datumName: 'Beduaram'
};
exports.gunung_segara = {
  towgs84: '-403,684,41',
  ellipse: 'bessel',
  datumName: 'Gunung Segara Jakarta'
};
},{}],66:[function(_dereq_,module,exports){
exports.MERIT = {
  a: 6378137.0,
  rf: 298.257,
  ellipseName: "MERIT 1983"
};
exports.SGS85 = {
  a: 6378136.0,
  rf: 298.257,
  ellipseName: "Soviet Geodetic System 85"
};
exports.GRS80 = {
  a: 6378137.0,
  rf: 298.257222101,
  ellipseName: "GRS 1980(IUGG, 1980)"
};
exports.IAU76 = {
  a: 6378140.0,
  rf: 298.257,
  ellipseName: "IAU 1976"
};
exports.airy = {
  a: 6377563.396,
  b: 6356256.910,
  ellipseName: "Airy 1830"
};
exports.APL4 = {
  a: 6378137,
  rf: 298.25,
  ellipseName: "Appl. Physics. 1965"
};
exports.NWL9D = {
  a: 6378145.0,
  rf: 298.25,
  ellipseName: "Naval Weapons Lab., 1965"
};
exports.mod_airy = {
  a: 6377340.189,
  b: 6356034.446,
  ellipseName: "Modified Airy"
};
exports.andrae = {
  a: 6377104.43,
  rf: 300.0,
  ellipseName: "Andrae 1876 (Den., Iclnd.)"
};
exports.aust_SA = {
  a: 6378160.0,
  rf: 298.25,
  ellipseName: "Australian Natl & S. Amer. 1969"
};
exports.GRS67 = {
  a: 6378160.0,
  rf: 298.2471674270,
  ellipseName: "GRS 67(IUGG 1967)"
};
exports.bessel = {
  a: 6377397.155,
  rf: 299.1528128,
  ellipseName: "Bessel 1841"
};
exports.bess_nam = {
  a: 6377483.865,
  rf: 299.1528128,
  ellipseName: "Bessel 1841 (Namibia)"
};
exports.clrk66 = {
  a: 6378206.4,
  b: 6356583.8,
  ellipseName: "Clarke 1866"
};
exports.clrk80 = {
  a: 6378249.145,
  rf: 293.4663,
  ellipseName: "Clarke 1880 mod."
};
exports.clrk58 = {
  a: 6378293.645208759,
  rf: 294.2606763692654,
  ellipseName: "Clarke 1858"
};
exports.CPM = {
  a: 6375738.7,
  rf: 334.29,
  ellipseName: "Comm. des Poids et Mesures 1799"
};
exports.delmbr = {
  a: 6376428.0,
  rf: 311.5,
  ellipseName: "Delambre 1810 (Belgium)"
};
exports.engelis = {
  a: 6378136.05,
  rf: 298.2566,
  ellipseName: "Engelis 1985"
};
exports.evrst30 = {
  a: 6377276.345,
  rf: 300.8017,
  ellipseName: "Everest 1830"
};
exports.evrst48 = {
  a: 6377304.063,
  rf: 300.8017,
  ellipseName: "Everest 1948"
};
exports.evrst56 = {
  a: 6377301.243,
  rf: 300.8017,
  ellipseName: "Everest 1956"
};
exports.evrst69 = {
  a: 6377295.664,
  rf: 300.8017,
  ellipseName: "Everest 1969"
};
exports.evrstSS = {
  a: 6377298.556,
  rf: 300.8017,
  ellipseName: "Everest (Sabah & Sarawak)"
};
exports.fschr60 = {
  a: 6378166.0,
  rf: 298.3,
  ellipseName: "Fischer (Mercury Datum) 1960"
};
exports.fschr60m = {
  a: 6378155.0,
  rf: 298.3,
  ellipseName: "Fischer 1960"
};
exports.fschr68 = {
  a: 6378150.0,
  rf: 298.3,
  ellipseName: "Fischer 1968"
};
exports.helmert = {
  a: 6378200.0,
  rf: 298.3,
  ellipseName: "Helmert 1906"
};
exports.hough = {
  a: 6378270.0,
  rf: 297.0,
  ellipseName: "Hough"
};
exports.intl = {
  a: 6378388.0,
  rf: 297.0,
  ellipseName: "International 1909 (Hayford)"
};
exports.kaula = {
  a: 6378163.0,
  rf: 298.24,
  ellipseName: "Kaula 1961"
};
exports.lerch = {
  a: 6378139.0,
  rf: 298.257,
  ellipseName: "Lerch 1979"
};
exports.mprts = {
  a: 6397300.0,
  rf: 191.0,
  ellipseName: "Maupertius 1738"
};
exports.new_intl = {
  a: 6378157.5,
  b: 6356772.2,
  ellipseName: "New International 1967"
};
exports.plessis = {
  a: 6376523.0,
  rf: 6355863.0,
  ellipseName: "Plessis 1817 (France)"
};
exports.krass = {
  a: 6378245.0,
  rf: 298.3,
  ellipseName: "Krassovsky, 1942"
};
exports.SEasia = {
  a: 6378155.0,
  b: 6356773.3205,
  ellipseName: "Southeast Asia"
};
exports.walbeck = {
  a: 6376896.0,
  b: 6355834.8467,
  ellipseName: "Walbeck"
};
exports.WGS60 = {
  a: 6378165.0,
  rf: 298.3,
  ellipseName: "WGS 60"
};
exports.WGS66 = {
  a: 6378145.0,
  rf: 298.25,
  ellipseName: "WGS 66"
};
exports.WGS7 = {
  a: 6378135.0,
  rf: 298.26,
  ellipseName: "WGS 72"
};
exports.WGS84 = {
  a: 6378137.0,
  rf: 298.257223563,
  ellipseName: "WGS 84"
};
exports.sphere = {
  a: 6370997.0,
  b: 6370997.0,
  ellipseName: "Normal Sphere (r=6370997)"
};
},{}],67:[function(_dereq_,module,exports){
exports.greenwich = 0.0; //"0dE",
exports.lisbon = -9.131906111111; //"9d07'54.862\"W",
exports.paris = 2.337229166667; //"2d20'14.025\"E",
exports.bogota = -74.080916666667; //"74d04'51.3\"W",
exports.madrid = -3.687938888889; //"3d41'16.58\"W",
exports.rome = 12.452333333333; //"12d27'8.4\"E",
exports.bern = 7.439583333333; //"7d26'22.5\"E",
exports.jakarta = 106.807719444444; //"106d48'27.79\"E",
exports.ferro = -17.666666666667; //"17d40'W",
exports.brussels = 4.367975; //"4d22'4.71\"E",
exports.stockholm = 18.058277777778; //"18d3'29.8\"E",
exports.athens = 23.7163375; //"23d42'58.815\"E",
exports.oslo = 10.722916666667; //"10d43'22.5\"E"
},{}],68:[function(_dereq_,module,exports){
var point = _dereq_('./Point');
var proj = _dereq_('./Proj');
var transform = _dereq_('./transform');
var wgs84 = proj('WGS84');

function transformer(from, to, coords) {
  var transformedArray;
  if (Array.isArray(coords)) {
    transformedArray = transform(from, to, point(coords));
    if (coords.length === 3) {
      return [transformedArray.x, transformedArray.y, transformedArray.z];
    }
    else {
      return [transformedArray.x, transformedArray.y];
    }
  }
  else {
    return transform(from, to, coords);
  }
}

function checkProj(item) {
  if (item instanceof proj) {
    return item;
  }
  if (item.oProj) {
    return item.oProj;
  }
  return proj(item);
}
function proj4(fromProj, toProj, coord) {
  fromProj = checkProj(fromProj);
  var single = false;
  var obj;
  if (typeof toProj === 'undefined') {
    toProj = fromProj;
    fromProj = wgs84;
    single = true;
  }
  else if (typeof toProj.x !== 'undefined' || Array.isArray(toProj)) {
    coord = toProj;
    toProj = fromProj;
    fromProj = wgs84;
    single = true;
  }
  toProj = checkProj(toProj);
  if (coord) {
    return transformer(fromProj, toProj, coord);
  }
  else {
    obj = {
      forward: function(coords) {
        return transformer(fromProj, toProj, coords);
      },
      inverse: function(coords) {
        return transformer(toProj, fromProj, coords);
      }
    };
    if (single) {
      obj.oProj = toProj;
    }
    return obj;
  }
}
module.exports = proj4;
},{"./Point":42,"./Proj":43,"./transform":105}],69:[function(_dereq_,module,exports){
var HALF_PI = Math.PI/2;
var PJD_3PARAM = 1;
var PJD_7PARAM = 2;
var PJD_GRIDSHIFT = 3;
var PJD_WGS84 = 4; // WGS84 or equivalent
var PJD_NODATUM = 5; // WGS84 or equivalent
var SEC_TO_RAD = 4.84813681109535993589914102357e-6;
var AD_C = 1.0026000;
var COS_67P5 = 0.38268343236508977;
var datum = function(proj) {
  if (!(this instanceof datum)) {
    return new datum(proj);
  }
  this.datum_type = PJD_WGS84; //default setting
  if (!proj) {
    return;
  }
  if (proj.datumCode && proj.datumCode === 'none') {
    this.datum_type = PJD_NODATUM;
  }
  if (proj.datum_params) {
    for (var i = 0; i < proj.datum_params.length; i++) {
      proj.datum_params[i] = parseFloat(proj.datum_params[i]);
    }
    if (proj.datum_params[0] !== 0 || proj.datum_params[1] !== 0 || proj.datum_params[2] !== 0) {
      this.datum_type = PJD_3PARAM;
    }
    if (proj.datum_params.length > 3) {
      if (proj.datum_params[3] !== 0 || proj.datum_params[4] !== 0 || proj.datum_params[5] !== 0 || proj.datum_params[6] !== 0) {
        this.datum_type = PJD_7PARAM;
        proj.datum_params[3] *= SEC_TO_RAD;
        proj.datum_params[4] *= SEC_TO_RAD;
        proj.datum_params[5] *= SEC_TO_RAD;
        proj.datum_params[6] = (proj.datum_params[6] / 1000000.0) + 1.0;
      }
    }
  }
  // DGR 2011-03-21 : nadgrids support
  this.datum_type = proj.grids ? PJD_GRIDSHIFT : this.datum_type;

  this.a = proj.a; //datum object also uses these values
  this.b = proj.b;
  this.es = proj.es;
  this.ep2 = proj.ep2;
  this.datum_params = proj.datum_params;
  if (this.datum_type === PJD_GRIDSHIFT) {
    this.grids = proj.grids;
  }
};
datum.prototype = {


  /****************************************************************/
  // cs_compare_datums()
  //   Returns TRUE if the two datums match, otherwise FALSE.
  compare_datums: function(dest) {
    if (this.datum_type !== dest.datum_type) {
      return false; // false, datums are not equal
    }
    else if (this.a !== dest.a || Math.abs(this.es - dest.es) > 0.000000000050) {
      // the tolerence for es is to ensure that GRS80 and WGS84
      // are considered identical
      return false;
    }
    else if (this.datum_type === PJD_3PARAM) {
      return (this.datum_params[0] === dest.datum_params[0] && this.datum_params[1] === dest.datum_params[1] && this.datum_params[2] === dest.datum_params[2]);
    }
    else if (this.datum_type === PJD_7PARAM) {
      return (this.datum_params[0] === dest.datum_params[0] && this.datum_params[1] === dest.datum_params[1] && this.datum_params[2] === dest.datum_params[2] && this.datum_params[3] === dest.datum_params[3] && this.datum_params[4] === dest.datum_params[4] && this.datum_params[5] === dest.datum_params[5] && this.datum_params[6] === dest.datum_params[6]);
    }
    else if (this.datum_type === PJD_GRIDSHIFT || dest.datum_type === PJD_GRIDSHIFT) {
      //alert("ERROR: Grid shift transformations are not implemented.");
      //return false
      //DGR 2012-07-29 lazy ...
      return this.nadgrids === dest.nadgrids;
    }
    else {
      return true; // datums are equal
    }
  }, // cs_compare_datums()

  /*
   * The function Convert_Geodetic_To_Geocentric converts geodetic coordinates
   * (latitude, longitude, and height) to geocentric coordinates (X, Y, Z),
   * according to the current ellipsoid parameters.
   *
   *    Latitude  : Geodetic latitude in radians                     (input)
   *    Longitude : Geodetic longitude in radians                    (input)
   *    Height    : Geodetic height, in meters                       (input)
   *    X         : Calculated Geocentric X coordinate, in meters    (output)
   *    Y         : Calculated Geocentric Y coordinate, in meters    (output)
   *    Z         : Calculated Geocentric Z coordinate, in meters    (output)
   *
   */
  geodetic_to_geocentric: function(p) {
    var Longitude = p.x;
    var Latitude = p.y;
    var Height = p.z ? p.z : 0; //Z value not always supplied
    var X; // output
    var Y;
    var Z;

    var Error_Code = 0; //  GEOCENT_NO_ERROR;
    var Rn; /*  Earth radius at location  */
    var Sin_Lat; /*  Math.sin(Latitude)  */
    var Sin2_Lat; /*  Square of Math.sin(Latitude)  */
    var Cos_Lat; /*  Math.cos(Latitude)  */

    /*
     ** Don't blow up if Latitude is just a little out of the value
     ** range as it may just be a rounding issue.  Also removed longitude
     ** test, it should be wrapped by Math.cos() and Math.sin().  NFW for PROJ.4, Sep/2001.
     */
    if (Latitude < -HALF_PI && Latitude > -1.001 * HALF_PI) {
      Latitude = -HALF_PI;
    }
    else if (Latitude > HALF_PI && Latitude < 1.001 * HALF_PI) {
      Latitude = HALF_PI;
    }
    else if ((Latitude < -HALF_PI) || (Latitude > HALF_PI)) {
      /* Latitude out of range */
      //..reportError('geocent:lat out of range:' + Latitude);
      return null;
    }

    if (Longitude > Math.PI) {
      Longitude -= (2 * Math.PI);
    }
    Sin_Lat = Math.sin(Latitude);
    Cos_Lat = Math.cos(Latitude);
    Sin2_Lat = Sin_Lat * Sin_Lat;
    Rn = this.a / (Math.sqrt(1.0e0 - this.es * Sin2_Lat));
    X = (Rn + Height) * Cos_Lat * Math.cos(Longitude);
    Y = (Rn + Height) * Cos_Lat * Math.sin(Longitude);
    Z = ((Rn * (1 - this.es)) + Height) * Sin_Lat;

    p.x = X;
    p.y = Y;
    p.z = Z;
    return Error_Code;
  }, // cs_geodetic_to_geocentric()


  geocentric_to_geodetic: function(p) {
    /* local defintions and variables */
    /* end-criterium of loop, accuracy of sin(Latitude) */
    var genau = 1e-12;
    var genau2 = (genau * genau);
    var maxiter = 30;

    var P; /* distance between semi-minor axis and location */
    var RR; /* distance between center and location */
    var CT; /* sin of geocentric latitude */
    var ST; /* cos of geocentric latitude */
    var RX;
    var RK;
    var RN; /* Earth radius at location */
    var CPHI0; /* cos of start or old geodetic latitude in iterations */
    var SPHI0; /* sin of start or old geodetic latitude in iterations */
    var CPHI; /* cos of searched geodetic latitude */
    var SPHI; /* sin of searched geodetic latitude */
    var SDPHI; /* end-criterium: addition-theorem of sin(Latitude(iter)-Latitude(iter-1)) */
    var At_Pole; /* indicates location is in polar region */
    var iter; /* # of continous iteration, max. 30 is always enough (s.a.) */

    var X = p.x;
    var Y = p.y;
    var Z = p.z ? p.z : 0.0; //Z value not always supplied
    var Longitude;
    var Latitude;
    var Height;

    At_Pole = false;
    P = Math.sqrt(X * X + Y * Y);
    RR = Math.sqrt(X * X + Y * Y + Z * Z);

    /*      special cases for latitude and longitude */
    if (P / this.a < genau) {

      /*  special case, if P=0. (X=0., Y=0.) */
      At_Pole = true;
      Longitude = 0.0;

      /*  if (X,Y,Z)=(0.,0.,0.) then Height becomes semi-minor axis
       *  of ellipsoid (=center of mass), Latitude becomes PI/2 */
      if (RR / this.a < genau) {
        Latitude = HALF_PI;
        Height = -this.b;
        return;
      }
    }
    else {
      /*  ellipsoidal (geodetic) longitude
       *  interval: -PI < Longitude <= +PI */
      Longitude = Math.atan2(Y, X);
    }

    /* --------------------------------------------------------------
     * Following iterative algorithm was developped by
     * "Institut for Erdmessung", University of Hannover, July 1988.
     * Internet: www.ife.uni-hannover.de
     * Iterative computation of CPHI,SPHI and Height.
     * Iteration of CPHI and SPHI to 10**-12 radian resp.
     * 2*10**-7 arcsec.
     * --------------------------------------------------------------
     */
    CT = Z / RR;
    ST = P / RR;
    RX = 1.0 / Math.sqrt(1.0 - this.es * (2.0 - this.es) * ST * ST);
    CPHI0 = ST * (1.0 - this.es) * RX;
    SPHI0 = CT * RX;
    iter = 0;

    /* loop to find sin(Latitude) resp. Latitude
     * until |sin(Latitude(iter)-Latitude(iter-1))| < genau */
    do {
      iter++;
      RN = this.a / Math.sqrt(1.0 - this.es * SPHI0 * SPHI0);

      /*  ellipsoidal (geodetic) height */
      Height = P * CPHI0 + Z * SPHI0 - RN * (1.0 - this.es * SPHI0 * SPHI0);

      RK = this.es * RN / (RN + Height);
      RX = 1.0 / Math.sqrt(1.0 - RK * (2.0 - RK) * ST * ST);
      CPHI = ST * (1.0 - RK) * RX;
      SPHI = CT * RX;
      SDPHI = SPHI * CPHI0 - CPHI * SPHI0;
      CPHI0 = CPHI;
      SPHI0 = SPHI;
    }
    while (SDPHI * SDPHI > genau2 && iter < maxiter);

    /*      ellipsoidal (geodetic) latitude */
    Latitude = Math.atan(SPHI / Math.abs(CPHI));

    p.x = Longitude;
    p.y = Latitude;
    p.z = Height;
    return p;
  }, // cs_geocentric_to_geodetic()

  /** Convert_Geocentric_To_Geodetic
   * The method used here is derived from 'An Improved Algorithm for
   * Geocentric to Geodetic Coordinate Conversion', by Ralph Toms, Feb 1996
   */
  geocentric_to_geodetic_noniter: function(p) {
    var X = p.x;
    var Y = p.y;
    var Z = p.z ? p.z : 0; //Z value not always supplied
    var Longitude;
    var Latitude;
    var Height;

    var W; /* distance from Z axis */
    var W2; /* square of distance from Z axis */
    var T0; /* initial estimate of vertical component */
    var T1; /* corrected estimate of vertical component */
    var S0; /* initial estimate of horizontal component */
    var S1; /* corrected estimate of horizontal component */
    var Sin_B0; /* Math.sin(B0), B0 is estimate of Bowring aux variable */
    var Sin3_B0; /* cube of Math.sin(B0) */
    var Cos_B0; /* Math.cos(B0) */
    var Sin_p1; /* Math.sin(phi1), phi1 is estimated latitude */
    var Cos_p1; /* Math.cos(phi1) */
    var Rn; /* Earth radius at location */
    var Sum; /* numerator of Math.cos(phi1) */
    var At_Pole; /* indicates location is in polar region */

    X = parseFloat(X); // cast from string to float
    Y = parseFloat(Y);
    Z = parseFloat(Z);

    At_Pole = false;
    if (X !== 0.0) {
      Longitude = Math.atan2(Y, X);
    }
    else {
      if (Y > 0) {
        Longitude = HALF_PI;
      }
      else if (Y < 0) {
        Longitude = -HALF_PI;
      }
      else {
        At_Pole = true;
        Longitude = 0.0;
        if (Z > 0.0) { /* north pole */
          Latitude = HALF_PI;
        }
        else if (Z < 0.0) { /* south pole */
          Latitude = -HALF_PI;
        }
        else { /* center of earth */
          Latitude = HALF_PI;
          Height = -this.b;
          return;
        }
      }
    }
    W2 = X * X + Y * Y;
    W = Math.sqrt(W2);
    T0 = Z * AD_C;
    S0 = Math.sqrt(T0 * T0 + W2);
    Sin_B0 = T0 / S0;
    Cos_B0 = W / S0;
    Sin3_B0 = Sin_B0 * Sin_B0 * Sin_B0;
    T1 = Z + this.b * this.ep2 * Sin3_B0;
    Sum = W - this.a * this.es * Cos_B0 * Cos_B0 * Cos_B0;
    S1 = Math.sqrt(T1 * T1 + Sum * Sum);
    Sin_p1 = T1 / S1;
    Cos_p1 = Sum / S1;
    Rn = this.a / Math.sqrt(1.0 - this.es * Sin_p1 * Sin_p1);
    if (Cos_p1 >= COS_67P5) {
      Height = W / Cos_p1 - Rn;
    }
    else if (Cos_p1 <= -COS_67P5) {
      Height = W / -Cos_p1 - Rn;
    }
    else {
      Height = Z / Sin_p1 + Rn * (this.es - 1.0);
    }
    if (At_Pole === false) {
      Latitude = Math.atan(Sin_p1 / Cos_p1);
    }

    p.x = Longitude;
    p.y = Latitude;
    p.z = Height;
    return p;
  }, // geocentric_to_geodetic_noniter()

  /****************************************************************/
  // pj_geocentic_to_wgs84( p )
  //  p = point to transform in geocentric coordinates (x,y,z)
  geocentric_to_wgs84: function(p) {

    if (this.datum_type === PJD_3PARAM) {
      // if( x[io] === HUGE_VAL )
      //    continue;
      p.x += this.datum_params[0];
      p.y += this.datum_params[1];
      p.z += this.datum_params[2];

    }
    else if (this.datum_type === PJD_7PARAM) {
      var Dx_BF = this.datum_params[0];
      var Dy_BF = this.datum_params[1];
      var Dz_BF = this.datum_params[2];
      var Rx_BF = this.datum_params[3];
      var Ry_BF = this.datum_params[4];
      var Rz_BF = this.datum_params[5];
      var M_BF = this.datum_params[6];
      // if( x[io] === HUGE_VAL )
      //    continue;
      var x_out = M_BF * (p.x - Rz_BF * p.y + Ry_BF * p.z) + Dx_BF;
      var y_out = M_BF * (Rz_BF * p.x + p.y - Rx_BF * p.z) + Dy_BF;
      var z_out = M_BF * (-Ry_BF * p.x + Rx_BF * p.y + p.z) + Dz_BF;
      p.x = x_out;
      p.y = y_out;
      p.z = z_out;
    }
  }, // cs_geocentric_to_wgs84

  /****************************************************************/
  // pj_geocentic_from_wgs84()
  //  coordinate system definition,
  //  point to transform in geocentric coordinates (x,y,z)
  geocentric_from_wgs84: function(p) {

    if (this.datum_type === PJD_3PARAM) {
      //if( x[io] === HUGE_VAL )
      //    continue;
      p.x -= this.datum_params[0];
      p.y -= this.datum_params[1];
      p.z -= this.datum_params[2];

    }
    else if (this.datum_type === PJD_7PARAM) {
      var Dx_BF = this.datum_params[0];
      var Dy_BF = this.datum_params[1];
      var Dz_BF = this.datum_params[2];
      var Rx_BF = this.datum_params[3];
      var Ry_BF = this.datum_params[4];
      var Rz_BF = this.datum_params[5];
      var M_BF = this.datum_params[6];
      var x_tmp = (p.x - Dx_BF) / M_BF;
      var y_tmp = (p.y - Dy_BF) / M_BF;
      var z_tmp = (p.z - Dz_BF) / M_BF;
      //if( x[io] === HUGE_VAL )
      //    continue;

      p.x = x_tmp + Rz_BF * y_tmp - Ry_BF * z_tmp;
      p.y = -Rz_BF * x_tmp + y_tmp + Rx_BF * z_tmp;
      p.z = Ry_BF * x_tmp - Rx_BF * y_tmp + z_tmp;
    } //cs_geocentric_from_wgs84()
  }
};

/** point object, nothing fancy, just allows values to be
    passed back and forth by reference rather than by value.
    Other point classes may be used as long as they have
    x and y properties, which will get modified in the transform method.
*/
module.exports = datum;

},{}],70:[function(_dereq_,module,exports){
var PJD_3PARAM = 1;
var PJD_7PARAM = 2;
var PJD_GRIDSHIFT = 3;
var PJD_NODATUM = 5; // WGS84 or equivalent
var SRS_WGS84_SEMIMAJOR = 6378137; // only used in grid shift transforms
var SRS_WGS84_ESQUARED = 0.006694379990141316; //DGR: 2012-07-29
module.exports = function(source, dest, point) {
  var wp, i, l;

  function checkParams(fallback) {
    return (fallback === PJD_3PARAM || fallback === PJD_7PARAM);
  }
  // Short cut if the datums are identical.
  if (source.compare_datums(dest)) {
    return point; // in this case, zero is sucess,
    // whereas cs_compare_datums returns 1 to indicate TRUE
    // confusing, should fix this
  }

  // Explicitly skip datum transform by setting 'datum=none' as parameter for either source or dest
  if (source.datum_type === PJD_NODATUM || dest.datum_type === PJD_NODATUM) {
    return point;
  }

  //DGR: 2012-07-29 : add nadgrids support (begin)
  var src_a = source.a;
  var src_es = source.es;

  var dst_a = dest.a;
  var dst_es = dest.es;

  var fallback = source.datum_type;
  // If this datum requires grid shifts, then apply it to geodetic coordinates.
  if (fallback === PJD_GRIDSHIFT) {
    if (this.apply_gridshift(source, 0, point) === 0) {
      source.a = SRS_WGS84_SEMIMAJOR;
      source.es = SRS_WGS84_ESQUARED;
    }
    else {
      // try 3 or 7 params transformation or nothing ?
      if (!source.datum_params) {
        source.a = src_a;
        source.es = source.es;
        return point;
      }
      wp = 1;
      for (i = 0, l = source.datum_params.length; i < l; i++) {
        wp *= source.datum_params[i];
      }
      if (wp === 0) {
        source.a = src_a;
        source.es = source.es;
        return point;
      }
      if (source.datum_params.length > 3) {
        fallback = PJD_7PARAM;
      }
      else {
        fallback = PJD_3PARAM;
      }
    }
  }
  if (dest.datum_type === PJD_GRIDSHIFT) {
    dest.a = SRS_WGS84_SEMIMAJOR;
    dest.es = SRS_WGS84_ESQUARED;
  }
  // Do we need to go through geocentric coordinates?
  if (source.es !== dest.es || source.a !== dest.a || checkParams(fallback) || checkParams(dest.datum_type)) {
    //DGR: 2012-07-29 : add nadgrids support (end)
    // Convert to geocentric coordinates.
    source.geodetic_to_geocentric(point);
    // CHECK_RETURN;
    // Convert between datums
    if (checkParams(source.datum_type)) {
      source.geocentric_to_wgs84(point);
      // CHECK_RETURN;
    }
    if (checkParams(dest.datum_type)) {
      dest.geocentric_from_wgs84(point);
      // CHECK_RETURN;
    }
    // Convert back to geodetic coordinates
    dest.geocentric_to_geodetic(point);
    // CHECK_RETURN;
  }
  // Apply grid shift to destination if required
  if (dest.datum_type === PJD_GRIDSHIFT) {
    this.apply_gridshift(dest, 1, point);
    // CHECK_RETURN;
  }

  source.a = src_a;
  source.es = src_es;
  dest.a = dst_a;
  dest.es = dst_es;

  return point;
};


},{}],71:[function(_dereq_,module,exports){
var globals = _dereq_('./global');
var parseProj = _dereq_('./projString');
var wkt = _dereq_('./wkt');

function defs(name) {
  /*global console*/
  var that = this;
  if (arguments.length === 2) {
    if (arguments[1][0] === '+') {
      defs[name] = parseProj(arguments[1]);
    }
    else {
      defs[name] = wkt(arguments[1]);
    }
  }
  else if (arguments.length === 1) {
    if (Array.isArray(name)) {
      return name.map(function(v) {
        if (Array.isArray(v)) {
          defs.apply(that, v);
        }
        else {
          defs(v);
        }
      });
    }
    else if (typeof name === 'string') {

    }
    else if ('EPSG' in name) {
      defs['EPSG:' + name.EPSG] = name;
    }
    else if ('ESRI' in name) {
      defs['ESRI:' + name.ESRI] = name;
    }
    else if ('IAU2000' in name) {
      defs['IAU2000:' + name.IAU2000] = name;
    }
    else {
      console.log(name);
    }
    return;
  }


}
globals(defs);
module.exports = defs;

},{"./global":74,"./projString":78,"./wkt":107}],72:[function(_dereq_,module,exports){
var Datum = _dereq_('./constants/Datum');
var Ellipsoid = _dereq_('./constants/Ellipsoid');
var extend = _dereq_('./extend');
var datum = _dereq_('./datum');
var EPSLN = 1.0e-10;
// ellipoid pj_set_ell.c
var SIXTH = 0.1666666666666666667;
/* 1/6 */
var RA4 = 0.04722222222222222222;
/* 17/360 */
var RA6 = 0.02215608465608465608;
module.exports = function(json) {
  // DGR 2011-03-20 : nagrids -> nadgrids
  if (json.datumCode && json.datumCode !== 'none') {
    var datumDef = Datum[json.datumCode];
    if (datumDef) {
      json.datum_params = datumDef.towgs84 ? datumDef.towgs84.split(',') : null;
      json.ellps = datumDef.ellipse;
      json.datumName = datumDef.datumName ? datumDef.datumName : json.datumCode;
    }
  }
  if (!json.a) { // do we have an ellipsoid?
    var ellipse = Ellipsoid[json.ellps] ? Ellipsoid[json.ellps] : Ellipsoid.WGS84;
    extend(json, ellipse);
  }
  if (json.rf && !json.b) {
    json.b = (1.0 - 1.0 / json.rf) * json.a;
  }
  if (json.rf === 0 || Math.abs(json.a - json.b) < EPSLN) {
    json.sphere = true;
    json.b = json.a;
  }
  json.a2 = json.a * json.a; // used in geocentric
  json.b2 = json.b * json.b; // used in geocentric
  json.es = (json.a2 - json.b2) / json.a2; // e ^ 2
  json.e = Math.sqrt(json.es); // eccentricity
  if (json.R_A) {
    json.a *= 1 - json.es * (SIXTH + json.es * (RA4 + json.es * RA6));
    json.a2 = json.a * json.a;
    json.b2 = json.b * json.b;
    json.es = 0;
  }
  json.ep2 = (json.a2 - json.b2) / json.b2; // used in geocentric
  if (!json.k0) {
    json.k0 = 1.0; //default value
  }
  //DGR 2010-11-12: axis
  if (!json.axis) {
    json.axis = "enu";
  }

  json.datum = datum(json);
  return json;
};
},{"./constants/Datum":65,"./constants/Ellipsoid":66,"./datum":69,"./extend":73}],73:[function(_dereq_,module,exports){
module.exports = function(destination, source) {
  destination = destination || {};
  var value, property;
  if (!source) {
    return destination;
  }
  for (property in source) {
    value = source[property];
    if (value !== undefined) {
      destination[property] = value;
    }
  }
  return destination;
};

},{}],74:[function(_dereq_,module,exports){
module.exports = function(defs) {
  defs('WGS84', "+title=WGS 84 (long/lat) +proj=longlat +ellps=WGS84 +datum=WGS84 +units=degrees");
  defs('EPSG:4326', "+title=WGS 84 (long/lat) +proj=longlat +ellps=WGS84 +datum=WGS84 +units=degrees");
  defs('EPSG:4269', "+title=NAD83 (long/lat) +proj=longlat +a=6378137.0 +b=6356752.31414036 +ellps=GRS80 +datum=NAD83 +units=degrees");
  defs('EPSG:3857', "+title=WGS 84 / Pseudo-Mercator +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs");

  defs['EPSG:3785'] = defs['EPSG:3857']; // maintain backward compat, official code is 3857
  defs.GOOGLE = defs['EPSG:3857'];
  defs['EPSG:900913'] = defs['EPSG:3857'];
  defs['EPSG:102113'] = defs['EPSG:3857'];
};

},{}],75:[function(_dereq_,module,exports){
var projs = [
  _dereq_('./projections/tmerc'),
  _dereq_('./projections/utm'),
  _dereq_('./projections/sterea'),
  _dereq_('./projections/stere'),
  _dereq_('./projections/somerc'),
  _dereq_('./projections/omerc'),
  _dereq_('./projections/lcc'),
  _dereq_('./projections/krovak'),
  _dereq_('./projections/cass'),
  _dereq_('./projections/laea'),
  _dereq_('./projections/aea'),
  _dereq_('./projections/gnom'),
  _dereq_('./projections/cea'),
  _dereq_('./projections/eqc'),
  _dereq_('./projections/poly'),
  _dereq_('./projections/nzmg'),
  _dereq_('./projections/mill'),
  _dereq_('./projections/sinu'),
  _dereq_('./projections/moll'),
  _dereq_('./projections/eqdc'),
  _dereq_('./projections/vandg'),
  _dereq_('./projections/aeqd')
];
module.exports = function(proj4){
  projs.forEach(function(proj){
    proj4.Proj.projections.add(proj);
  });
};
},{"./projections/aea":80,"./projections/aeqd":81,"./projections/cass":82,"./projections/cea":83,"./projections/eqc":84,"./projections/eqdc":85,"./projections/gnom":87,"./projections/krovak":88,"./projections/laea":89,"./projections/lcc":90,"./projections/mill":93,"./projections/moll":94,"./projections/nzmg":95,"./projections/omerc":96,"./projections/poly":97,"./projections/sinu":98,"./projections/somerc":99,"./projections/stere":100,"./projections/sterea":101,"./projections/tmerc":102,"./projections/utm":103,"./projections/vandg":104}],76:[function(_dereq_,module,exports){
var proj4 = _dereq_('./core');
proj4.defaultDatum = 'WGS84'; //default datum
proj4.Proj = _dereq_('./Proj');
proj4.WGS84 = new proj4.Proj('WGS84');
proj4.Point = _dereq_('./Point');
proj4.defs = _dereq_('./defs');
proj4.transform = _dereq_('./transform');
proj4.mgrs = _dereq_('mgrs');
proj4.version = _dereq_('./version');
_dereq_('./includedProjections')(proj4);
module.exports = proj4;
},{"./Point":42,"./Proj":43,"./core":68,"./defs":71,"./includedProjections":75,"./transform":105,"./version":106,"mgrs":108}],77:[function(_dereq_,module,exports){
var defs = _dereq_('./defs');
var wkt = _dereq_('./wkt');
var projStr = _dereq_('./projString');
function testObj(code){
  return typeof code === 'string';
}
function testDef(code){
  return code in defs;
}
function testWKT(code){
  var codeWords = ['GEOGCS','GEOCCS','PROJCS','LOCAL_CS'];
  return codeWords.reduce(function(a,b){
    return a+1+code.indexOf(b);
  },0);
}
function testProj(code){
  return code[0] === '+';
}
function parse(code){
  if (testObj(code)) {
    //check to see if this is a WKT string
    if (testDef(code)) {
      return defs[code];
    }
    else if (testWKT(code)) {
      return wkt(code);
    }
    else if (testProj(code)) {
      return projStr(code);
    }
  }else{
    return code;
  }
}

module.exports = parse;
},{"./defs":71,"./projString":78,"./wkt":107}],78:[function(_dereq_,module,exports){
var D2R = 0.01745329251994329577;
var PrimeMeridian = _dereq_('./constants/PrimeMeridian');
module.exports = function(defData) {
  var self = {};

  var paramObj = {};
  defData.split("+").map(function(v) {
    return v.trim();
  }).filter(function(a) {
    return a;
  }).forEach(function(a) {
    var split = a.split("=");
    split.push(true);
    paramObj[split[0].toLowerCase()] = split[1];
  });
  var paramName, paramVal, paramOutname;
  var params = {
    proj: 'projName',
    datum: 'datumCode',
    rf: function(v) {
      self.rf = parseFloat(v, 10);
    },
    lat_0: function(v) {
      self.lat0 = v * D2R;
    },
    lat_1: function(v) {
      self.lat1 = v * D2R;
    },
    lat_2: function(v) {
      self.lat2 = v * D2R;
    },
    lat_ts: function(v) {
      self.lat_ts = v * D2R;
    },
    lon_0: function(v) {
      self.long0 = v * D2R;
    },
    lon_1: function(v) {
      self.long1 = v * D2R;
    },
    lon_2: function(v) {
      self.long2 = v * D2R;
    },
    alpha: function(v) {
      self.alpha = parseFloat(v) * D2R;
    },
    lonc: function(v) {
      self.longc = v * D2R;
    },
    x_0: function(v) {
      self.x0 = parseFloat(v, 10);
    },
    y_0: function(v) {
      self.y0 = parseFloat(v, 10);
    },
    k_0: function(v) {
      self.k0 = parseFloat(v, 10);
    },
    k: function(v) {
      self.k0 = parseFloat(v, 10);
    },
    r_a: function() {
      self.R_A = true;
    },
    zone: function(v) {
      self.zone = parseInt(v, 10);
    },
    south: function() {
      self.utmSouth = true;
    },
    towgs84: function(v) {
      self.datum_params = v.split(",").map(function(a) {
        return parseFloat(a, 10);
      });
    },
    to_meter: function(v) {
      self.to_meter = parseFloat(v, 10);
    },
    from_greenwich: function(v) {
      self.from_greenwich = v * D2R;
    },
    pm: function(v) {
      self.from_greenwich = (PrimeMeridian[v] ? PrimeMeridian[v] : parseFloat(v, 10)) * D2R;
    },
    nadgrids: function(v) {
      if (v === '@null') {
        self.datumCode = 'none';
      }
      else {
        self.nadgrids = v;
      }
    },
    axis: function(v) {
      var legalAxis = "ewnsud";
      if (v.length === 3 && legalAxis.indexOf(v.substr(0, 1)) !== -1 && legalAxis.indexOf(v.substr(1, 1)) !== -1 && legalAxis.indexOf(v.substr(2, 1)) !== -1) {
        self.axis = v;
      }
    }
  };
  for (paramName in paramObj) {
    paramVal = paramObj[paramName];
    if (paramName in params) {
      paramOutname = params[paramName];
      if (typeof paramOutname === 'function') {
        paramOutname(paramVal);
      }
      else {
        self[paramOutname] = paramVal;
      }
    }
    else {
      self[paramName] = paramVal;
    }
  }
  return self;
};

},{"./constants/PrimeMeridian":67}],79:[function(_dereq_,module,exports){
var projs = [
  _dereq_('./projections/merc'),
  _dereq_('./projections/longlat')
];
var names = {};
var projStore = [];

function add(proj, i) {
  var len = projStore.length;
  if (!proj.names) {
    console.log(i);
    return true;
  }
  projStore[len] = proj;
  proj.names.forEach(function(n) {
    names[n.toLowerCase()] = len;
  });
  return this;
}

exports.add = add;

exports.get = function(name) {
  if (!name) {
    return false;
  }
  var n = name.toLowerCase();
  if (typeof names[n] !== 'undefined' && projStore[names[n]]) {
    return projStore[names[n]];
  }
};
exports.start = function() {
  projs.forEach(add);
};

},{"./projections/longlat":91,"./projections/merc":92}],80:[function(_dereq_,module,exports){
var EPSLN = 1.0e-10;
var msfnz = _dereq_('../common/msfnz');
var qsfnz = _dereq_('../common/qsfnz');
var adjust_lon = _dereq_('../common/adjust_lon');
var asinz = _dereq_('../common/asinz');
exports.init = function() {

  if (Math.abs(this.lat1 + this.lat2) < EPSLN) {
    return;
  }
  this.temp = this.b / this.a;
  this.es = 1 - Math.pow(this.temp, 2);
  this.e3 = Math.sqrt(this.es);

  this.sin_po = Math.sin(this.lat1);
  this.cos_po = Math.cos(this.lat1);
  this.t1 = this.sin_po;
  this.con = this.sin_po;
  this.ms1 = msfnz(this.e3, this.sin_po, this.cos_po);
  this.qs1 = qsfnz(this.e3, this.sin_po, this.cos_po);

  this.sin_po = Math.sin(this.lat2);
  this.cos_po = Math.cos(this.lat2);
  this.t2 = this.sin_po;
  this.ms2 = msfnz(this.e3, this.sin_po, this.cos_po);
  this.qs2 = qsfnz(this.e3, this.sin_po, this.cos_po);

  this.sin_po = Math.sin(this.lat0);
  this.cos_po = Math.cos(this.lat0);
  this.t3 = this.sin_po;
  this.qs0 = qsfnz(this.e3, this.sin_po, this.cos_po);

  if (Math.abs(this.lat1 - this.lat2) > EPSLN) {
    this.ns0 = (this.ms1 * this.ms1 - this.ms2 * this.ms2) / (this.qs2 - this.qs1);
  }
  else {
    this.ns0 = this.con;
  }
  this.c = this.ms1 * this.ms1 + this.ns0 * this.qs1;
  this.rh = this.a * Math.sqrt(this.c - this.ns0 * this.qs0) / this.ns0;
};

/* Albers Conical Equal Area forward equations--mapping lat,long to x,y
  -------------------------------------------------------------------*/
exports.forward = function(p) {

  var lon = p.x;
  var lat = p.y;

  this.sin_phi = Math.sin(lat);
  this.cos_phi = Math.cos(lat);

  var qs = qsfnz(this.e3, this.sin_phi, this.cos_phi);
  var rh1 = this.a * Math.sqrt(this.c - this.ns0 * qs) / this.ns0;
  var theta = this.ns0 * adjust_lon(lon - this.long0);
  var x = rh1 * Math.sin(theta) + this.x0;
  var y = this.rh - rh1 * Math.cos(theta) + this.y0;

  p.x = x;
  p.y = y;
  return p;
};


exports.inverse = function(p) {
  var rh1, qs, con, theta, lon, lat;

  p.x -= this.x0;
  p.y = this.rh - p.y + this.y0;
  if (this.ns0 >= 0) {
    rh1 = Math.sqrt(p.x * p.x + p.y * p.y);
    con = 1;
  }
  else {
    rh1 = -Math.sqrt(p.x * p.x + p.y * p.y);
    con = -1;
  }
  theta = 0;
  if (rh1 !== 0) {
    theta = Math.atan2(con * p.x, con * p.y);
  }
  con = rh1 * this.ns0 / this.a;
  if (this.sphere) {
    lat = Math.asin((this.c - con * con) / (2 * this.ns0));
  }
  else {
    qs = (this.c - con * con) / this.ns0;
    lat = this.phi1z(this.e3, qs);
  }

  lon = adjust_lon(theta / this.ns0 + this.long0);
  p.x = lon;
  p.y = lat;
  return p;
};

/* Function to compute phi1, the latitude for the inverse of the
   Albers Conical Equal-Area projection.
-------------------------------------------*/
exports.phi1z = function(eccent, qs) {
  var sinphi, cosphi, con, com, dphi;
  var phi = asinz(0.5 * qs);
  if (eccent < EPSLN) {
    return phi;
  }

  var eccnts = eccent * eccent;
  for (var i = 1; i <= 25; i++) {
    sinphi = Math.sin(phi);
    cosphi = Math.cos(phi);
    con = eccent * sinphi;
    com = 1 - con * con;
    dphi = 0.5 * com * com / cosphi * (qs / (1 - eccnts) - sinphi / com + 0.5 / eccent * Math.log((1 - con) / (1 + con)));
    phi = phi + dphi;
    if (Math.abs(dphi) <= 1e-7) {
      return phi;
    }
  }
  return null;
};
exports.names = ["Albers_Conic_Equal_Area", "Albers", "aea"];

},{"../common/adjust_lon":46,"../common/asinz":47,"../common/msfnz":56,"../common/qsfnz":61}],81:[function(_dereq_,module,exports){
var adjust_lon = _dereq_('../common/adjust_lon');
var HALF_PI = Math.PI/2;
var EPSLN = 1.0e-10;
var mlfn = _dereq_('../common/mlfn');
var e0fn = _dereq_('../common/e0fn');
var e1fn = _dereq_('../common/e1fn');
var e2fn = _dereq_('../common/e2fn');
var e3fn = _dereq_('../common/e3fn');
var gN = _dereq_('../common/gN');
var asinz = _dereq_('../common/asinz');
var imlfn = _dereq_('../common/imlfn');
exports.init = function() {
  this.sin_p12 = Math.sin(this.lat0);
  this.cos_p12 = Math.cos(this.lat0);
};

exports.forward = function(p) {
  var lon = p.x;
  var lat = p.y;
  var sinphi = Math.sin(p.y);
  var cosphi = Math.cos(p.y);
  var dlon = adjust_lon(lon - this.long0);
  var e0, e1, e2, e3, Mlp, Ml, tanphi, Nl1, Nl, psi, Az, G, H, GH, Hs, c, kp, cos_c, s, s2, s3, s4, s5;
  if (this.sphere) {
    if (Math.abs(this.sin_p12 - 1) <= EPSLN) {
      //North Pole case
      p.x = this.x0 + this.a * (HALF_PI - lat) * Math.sin(dlon);
      p.y = this.y0 - this.a * (HALF_PI - lat) * Math.cos(dlon);
      return p;
    }
    else if (Math.abs(this.sin_p12 + 1) <= EPSLN) {
      //South Pole case
      p.x = this.x0 + this.a * (HALF_PI + lat) * Math.sin(dlon);
      p.y = this.y0 + this.a * (HALF_PI + lat) * Math.cos(dlon);
      return p;
    }
    else {
      //default case
      cos_c = this.sin_p12 * sinphi + this.cos_p12 * cosphi * Math.cos(dlon);
      c = Math.acos(cos_c);
      kp = c / Math.sin(c);
      p.x = this.x0 + this.a * kp * cosphi * Math.sin(dlon);
      p.y = this.y0 + this.a * kp * (this.cos_p12 * sinphi - this.sin_p12 * cosphi * Math.cos(dlon));
      return p;
    }
  }
  else {
    e0 = e0fn(this.es);
    e1 = e1fn(this.es);
    e2 = e2fn(this.es);
    e3 = e3fn(this.es);
    if (Math.abs(this.sin_p12 - 1) <= EPSLN) {
      //North Pole case
      Mlp = this.a * mlfn(e0, e1, e2, e3, HALF_PI);
      Ml = this.a * mlfn(e0, e1, e2, e3, lat);
      p.x = this.x0 + (Mlp - Ml) * Math.sin(dlon);
      p.y = this.y0 - (Mlp - Ml) * Math.cos(dlon);
      return p;
    }
    else if (Math.abs(this.sin_p12 + 1) <= EPSLN) {
      //South Pole case
      Mlp = this.a * mlfn(e0, e1, e2, e3, HALF_PI);
      Ml = this.a * mlfn(e0, e1, e2, e3, lat);
      p.x = this.x0 + (Mlp + Ml) * Math.sin(dlon);
      p.y = this.y0 + (Mlp + Ml) * Math.cos(dlon);
      return p;
    }
    else {
      //Default case
      tanphi = sinphi / cosphi;
      Nl1 = gN(this.a, this.e, this.sin_p12);
      Nl = gN(this.a, this.e, sinphi);
      psi = Math.atan((1 - this.es) * tanphi + this.es * Nl1 * this.sin_p12 / (Nl * cosphi));
      Az = Math.atan2(Math.sin(dlon), this.cos_p12 * Math.tan(psi) - this.sin_p12 * Math.cos(dlon));
      if (Az === 0) {
        s = Math.asin(this.cos_p12 * Math.sin(psi) - this.sin_p12 * Math.cos(psi));
      }
      else if (Math.abs(Math.abs(Az) - Math.PI) <= EPSLN) {
        s = -Math.asin(this.cos_p12 * Math.sin(psi) - this.sin_p12 * Math.cos(psi));
      }
      else {
        s = Math.asin(Math.sin(dlon) * Math.cos(psi) / Math.sin(Az));
      }
      G = this.e * this.sin_p12 / Math.sqrt(1 - this.es);
      H = this.e * this.cos_p12 * Math.cos(Az) / Math.sqrt(1 - this.es);
      GH = G * H;
      Hs = H * H;
      s2 = s * s;
      s3 = s2 * s;
      s4 = s3 * s;
      s5 = s4 * s;
      c = Nl1 * s * (1 - s2 * Hs * (1 - Hs) / 6 + s3 / 8 * GH * (1 - 2 * Hs) + s4 / 120 * (Hs * (4 - 7 * Hs) - 3 * G * G * (1 - 7 * Hs)) - s5 / 48 * GH);
      p.x = this.x0 + c * Math.sin(Az);
      p.y = this.y0 + c * Math.cos(Az);
      return p;
    }
  }


};

exports.inverse = function(p) {
  p.x -= this.x0;
  p.y -= this.y0;
  var rh, z, sinz, cosz, lon, lat, con, e0, e1, e2, e3, Mlp, M, N1, psi, Az, cosAz, tmp, A, B, D, Ee, F;
  if (this.sphere) {
    rh = Math.sqrt(p.x * p.x + p.y * p.y);
    if (rh > (2 * HALF_PI * this.a)) {
      return;
    }
    z = rh / this.a;

    sinz = Math.sin(z);
    cosz = Math.cos(z);

    lon = this.long0;
    if (Math.abs(rh) <= EPSLN) {
      lat = this.lat0;
    }
    else {
      lat = asinz(cosz * this.sin_p12 + (p.y * sinz * this.cos_p12) / rh);
      con = Math.abs(this.lat0) - HALF_PI;
      if (Math.abs(con) <= EPSLN) {
        if (this.lat0 >= 0) {
          lon = adjust_lon(this.long0 + Math.atan2(p.x, - p.y));
        }
        else {
          lon = adjust_lon(this.long0 - Math.atan2(-p.x, p.y));
        }
      }
      else {
        /*con = cosz - this.sin_p12 * Math.sin(lat);
        if ((Math.abs(con) < EPSLN) && (Math.abs(p.x) < EPSLN)) {
          //no-op, just keep the lon value as is
        } else {
          var temp = Math.atan2((p.x * sinz * this.cos_p12), (con * rh));
          lon = adjust_lon(this.long0 + Math.atan2((p.x * sinz * this.cos_p12), (con * rh)));
        }*/
        lon = adjust_lon(this.long0 + Math.atan2(p.x * sinz, rh * this.cos_p12 * cosz - p.y * this.sin_p12 * sinz));
      }
    }

    p.x = lon;
    p.y = lat;
    return p;
  }
  else {
    e0 = e0fn(this.es);
    e1 = e1fn(this.es);
    e2 = e2fn(this.es);
    e3 = e3fn(this.es);
    if (Math.abs(this.sin_p12 - 1) <= EPSLN) {
      //North pole case
      Mlp = this.a * mlfn(e0, e1, e2, e3, HALF_PI);
      rh = Math.sqrt(p.x * p.x + p.y * p.y);
      M = Mlp - rh;
      lat = imlfn(M / this.a, e0, e1, e2, e3);
      lon = adjust_lon(this.long0 + Math.atan2(p.x, - 1 * p.y));
      p.x = lon;
      p.y = lat;
      return p;
    }
    else if (Math.abs(this.sin_p12 + 1) <= EPSLN) {
      //South pole case
      Mlp = this.a * mlfn(e0, e1, e2, e3, HALF_PI);
      rh = Math.sqrt(p.x * p.x + p.y * p.y);
      M = rh - Mlp;

      lat = imlfn(M / this.a, e0, e1, e2, e3);
      lon = adjust_lon(this.long0 + Math.atan2(p.x, p.y));
      p.x = lon;
      p.y = lat;
      return p;
    }
    else {
      //default case
      rh = Math.sqrt(p.x * p.x + p.y * p.y);
      Az = Math.atan2(p.x, p.y);
      N1 = gN(this.a, this.e, this.sin_p12);
      cosAz = Math.cos(Az);
      tmp = this.e * this.cos_p12 * cosAz;
      A = -tmp * tmp / (1 - this.es);
      B = 3 * this.es * (1 - A) * this.sin_p12 * this.cos_p12 * cosAz / (1 - this.es);
      D = rh / N1;
      Ee = D - A * (1 + A) * Math.pow(D, 3) / 6 - B * (1 + 3 * A) * Math.pow(D, 4) / 24;
      F = 1 - A * Ee * Ee / 2 - D * Ee * Ee * Ee / 6;
      psi = Math.asin(this.sin_p12 * Math.cos(Ee) + this.cos_p12 * Math.sin(Ee) * cosAz);
      lon = adjust_lon(this.long0 + Math.asin(Math.sin(Az) * Math.sin(Ee) / Math.cos(psi)));
      lat = Math.atan((1 - this.es * F * this.sin_p12 / Math.sin(psi)) * Math.tan(psi) / (1 - this.es));
      p.x = lon;
      p.y = lat;
      return p;
    }
  }

};
exports.names = ["Azimuthal_Equidistant", "aeqd"];

},{"../common/adjust_lon":46,"../common/asinz":47,"../common/e0fn":48,"../common/e1fn":49,"../common/e2fn":50,"../common/e3fn":51,"../common/gN":52,"../common/imlfn":53,"../common/mlfn":55}],82:[function(_dereq_,module,exports){
var mlfn = _dereq_('../common/mlfn');
var e0fn = _dereq_('../common/e0fn');
var e1fn = _dereq_('../common/e1fn');
var e2fn = _dereq_('../common/e2fn');
var e3fn = _dereq_('../common/e3fn');
var gN = _dereq_('../common/gN');
var adjust_lon = _dereq_('../common/adjust_lon');
var adjust_lat = _dereq_('../common/adjust_lat');
var imlfn = _dereq_('../common/imlfn');
var HALF_PI = Math.PI/2;
var EPSLN = 1.0e-10;
exports.init = function() {
  if (!this.sphere) {
    this.e0 = e0fn(this.es);
    this.e1 = e1fn(this.es);
    this.e2 = e2fn(this.es);
    this.e3 = e3fn(this.es);
    this.ml0 = this.a * mlfn(this.e0, this.e1, this.e2, this.e3, this.lat0);
  }
};



/* Cassini forward equations--mapping lat,long to x,y
  -----------------------------------------------------------------------*/
exports.forward = function(p) {

  /* Forward equations
      -----------------*/
  var x, y;
  var lam = p.x;
  var phi = p.y;
  lam = adjust_lon(lam - this.long0);

  if (this.sphere) {
    x = this.a * Math.asin(Math.cos(phi) * Math.sin(lam));
    y = this.a * (Math.atan2(Math.tan(phi), Math.cos(lam)) - this.lat0);
  }
  else {
    //ellipsoid
    var sinphi = Math.sin(phi);
    var cosphi = Math.cos(phi);
    var nl = gN(this.a, this.e, sinphi);
    var tl = Math.tan(phi) * Math.tan(phi);
    var al = lam * Math.cos(phi);
    var asq = al * al;
    var cl = this.es * cosphi * cosphi / (1 - this.es);
    var ml = this.a * mlfn(this.e0, this.e1, this.e2, this.e3, phi);

    x = nl * al * (1 - asq * tl * (1 / 6 - (8 - tl + 8 * cl) * asq / 120));
    y = ml - this.ml0 + nl * sinphi / cosphi * asq * (0.5 + (5 - tl + 6 * cl) * asq / 24);


  }

  p.x = x + this.x0;
  p.y = y + this.y0;
  return p;
};

/* Inverse equations
  -----------------*/
exports.inverse = function(p) {
  p.x -= this.x0;
  p.y -= this.y0;
  var x = p.x / this.a;
  var y = p.y / this.a;
  var phi, lam;

  if (this.sphere) {
    var dd = y + this.lat0;
    phi = Math.asin(Math.sin(dd) * Math.cos(x));
    lam = Math.atan2(Math.tan(x), Math.cos(dd));
  }
  else {
    /* ellipsoid */
    var ml1 = this.ml0 / this.a + y;
    var phi1 = imlfn(ml1, this.e0, this.e1, this.e2, this.e3);
    if (Math.abs(Math.abs(phi1) - HALF_PI) <= EPSLN) {
      p.x = this.long0;
      p.y = HALF_PI;
      if (y < 0) {
        p.y *= -1;
      }
      return p;
    }
    var nl1 = gN(this.a, this.e, Math.sin(phi1));

    var rl1 = nl1 * nl1 * nl1 / this.a / this.a * (1 - this.es);
    var tl1 = Math.pow(Math.tan(phi1), 2);
    var dl = x * this.a / nl1;
    var dsq = dl * dl;
    phi = phi1 - nl1 * Math.tan(phi1) / rl1 * dl * dl * (0.5 - (1 + 3 * tl1) * dl * dl / 24);
    lam = dl * (1 - dsq * (tl1 / 3 + (1 + 3 * tl1) * tl1 * dsq / 15)) / Math.cos(phi1);

  }

  p.x = adjust_lon(lam + this.long0);
  p.y = adjust_lat(phi);
  return p;

};
exports.names = ["Cassini", "Cassini_Soldner", "cass"];
},{"../common/adjust_lat":45,"../common/adjust_lon":46,"../common/e0fn":48,"../common/e1fn":49,"../common/e2fn":50,"../common/e3fn":51,"../common/gN":52,"../common/imlfn":53,"../common/mlfn":55}],83:[function(_dereq_,module,exports){
var adjust_lon = _dereq_('../common/adjust_lon');
var qsfnz = _dereq_('../common/qsfnz');
var msfnz = _dereq_('../common/msfnz');
var iqsfnz = _dereq_('../common/iqsfnz');
/*
  reference:  
    "Cartographic Projection Procedures for the UNIX Environment-
    A User's Manual" by Gerald I. Evenden,
    USGS Open File Report 90-284and Release 4 Interim Reports (2003)
*/
exports.init = function() {
  //no-op
  if (!this.sphere) {
    this.k0 = msfnz(this.e, Math.sin(this.lat_ts), Math.cos(this.lat_ts));
  }
};


/* Cylindrical Equal Area forward equations--mapping lat,long to x,y
    ------------------------------------------------------------*/
exports.forward = function(p) {
  var lon = p.x;
  var lat = p.y;
  var x, y;
  /* Forward equations
      -----------------*/
  var dlon = adjust_lon(lon - this.long0);
  if (this.sphere) {
    x = this.x0 + this.a * dlon * Math.cos(this.lat_ts);
    y = this.y0 + this.a * Math.sin(lat) / Math.cos(this.lat_ts);
  }
  else {
    var qs = qsfnz(this.e, Math.sin(lat));
    x = this.x0 + this.a * this.k0 * dlon;
    y = this.y0 + this.a * qs * 0.5 / this.k0;
  }

  p.x = x;
  p.y = y;
  return p;
};

/* Cylindrical Equal Area inverse equations--mapping x,y to lat/long
    ------------------------------------------------------------*/
exports.inverse = function(p) {
  p.x -= this.x0;
  p.y -= this.y0;
  var lon, lat;

  if (this.sphere) {
    lon = adjust_lon(this.long0 + (p.x / this.a) / Math.cos(this.lat_ts));
    lat = Math.asin((p.y / this.a) * Math.cos(this.lat_ts));
  }
  else {
    lat = iqsfnz(this.e, 2 * p.y * this.k0 / this.a);
    lon = adjust_lon(this.long0 + p.x / (this.a * this.k0));
  }

  p.x = lon;
  p.y = lat;
  return p;
};
exports.names = ["cea"];

},{"../common/adjust_lon":46,"../common/iqsfnz":54,"../common/msfnz":56,"../common/qsfnz":61}],84:[function(_dereq_,module,exports){
var adjust_lon = _dereq_('../common/adjust_lon');
var adjust_lat = _dereq_('../common/adjust_lat');
exports.init = function() {

  this.x0 = this.x0 || 0;
  this.y0 = this.y0 || 0;
  this.lat0 = this.lat0 || 0;
  this.long0 = this.long0 || 0;
  this.lat_ts = this.lat_ts || 0;
  this.title = this.title || "Equidistant Cylindrical (Plate Carre)";

  this.rc = Math.cos(this.lat_ts);
};


// forward equations--mapping lat,long to x,y
// -----------------------------------------------------------------
exports.forward = function(p) {

  var lon = p.x;
  var lat = p.y;

  var dlon = adjust_lon(lon - this.long0);
  var dlat = adjust_lat(lat - this.lat0);
  p.x = this.x0 + (this.a * dlon * this.rc);
  p.y = this.y0 + (this.a * dlat);
  return p;
};

// inverse equations--mapping x,y to lat/long
// -----------------------------------------------------------------
exports.inverse = function(p) {

  var x = p.x;
  var y = p.y;

  p.x = adjust_lon(this.long0 + ((x - this.x0) / (this.a * this.rc)));
  p.y = adjust_lat(this.lat0 + ((y - this.y0) / (this.a)));
  return p;
};
exports.names = ["Equirectangular", "Equidistant_Cylindrical", "eqc"];

},{"../common/adjust_lat":45,"../common/adjust_lon":46}],85:[function(_dereq_,module,exports){
var e0fn = _dereq_('../common/e0fn');
var e1fn = _dereq_('../common/e1fn');
var e2fn = _dereq_('../common/e2fn');
var e3fn = _dereq_('../common/e3fn');
var msfnz = _dereq_('../common/msfnz');
var mlfn = _dereq_('../common/mlfn');
var adjust_lon = _dereq_('../common/adjust_lon');
var adjust_lat = _dereq_('../common/adjust_lat');
var imlfn = _dereq_('../common/imlfn');
var EPSLN = 1.0e-10;
exports.init = function() {

  /* Place parameters in static storage for common use
      -------------------------------------------------*/
  // Standard Parallels cannot be equal and on opposite sides of the equator
  if (Math.abs(this.lat1 + this.lat2) < EPSLN) {
    return;
  }
  this.lat2 = this.lat2 || this.lat1;
  this.temp = this.b / this.a;
  this.es = 1 - Math.pow(this.temp, 2);
  this.e = Math.sqrt(this.es);
  this.e0 = e0fn(this.es);
  this.e1 = e1fn(this.es);
  this.e2 = e2fn(this.es);
  this.e3 = e3fn(this.es);

  this.sinphi = Math.sin(this.lat1);
  this.cosphi = Math.cos(this.lat1);

  this.ms1 = msfnz(this.e, this.sinphi, this.cosphi);
  this.ml1 = mlfn(this.e0, this.e1, this.e2, this.e3, this.lat1);

  if (Math.abs(this.lat1 - this.lat2) < EPSLN) {
    this.ns = this.sinphi;
  }
  else {
    this.sinphi = Math.sin(this.lat2);
    this.cosphi = Math.cos(this.lat2);
    this.ms2 = msfnz(this.e, this.sinphi, this.cosphi);
    this.ml2 = mlfn(this.e0, this.e1, this.e2, this.e3, this.lat2);
    this.ns = (this.ms1 - this.ms2) / (this.ml2 - this.ml1);
  }
  this.g = this.ml1 + this.ms1 / this.ns;
  this.ml0 = mlfn(this.e0, this.e1, this.e2, this.e3, this.lat0);
  this.rh = this.a * (this.g - this.ml0);
};


/* Equidistant Conic forward equations--mapping lat,long to x,y
  -----------------------------------------------------------*/
exports.forward = function(p) {
  var lon = p.x;
  var lat = p.y;
  var rh1;

  /* Forward equations
      -----------------*/
  if (this.sphere) {
    rh1 = this.a * (this.g - lat);
  }
  else {
    var ml = mlfn(this.e0, this.e1, this.e2, this.e3, lat);
    rh1 = this.a * (this.g - ml);
  }
  var theta = this.ns * adjust_lon(lon - this.long0);
  var x = this.x0 + rh1 * Math.sin(theta);
  var y = this.y0 + this.rh - rh1 * Math.cos(theta);
  p.x = x;
  p.y = y;
  return p;
};

/* Inverse equations
  -----------------*/
exports.inverse = function(p) {
  p.x -= this.x0;
  p.y = this.rh - p.y + this.y0;
  var con, rh1, lat, lon;
  if (this.ns >= 0) {
    rh1 = Math.sqrt(p.x * p.x + p.y * p.y);
    con = 1;
  }
  else {
    rh1 = -Math.sqrt(p.x * p.x + p.y * p.y);
    con = -1;
  }
  var theta = 0;
  if (rh1 !== 0) {
    theta = Math.atan2(con * p.x, con * p.y);
  }

  if (this.sphere) {
    lon = adjust_lon(this.long0 + theta / this.ns);
    lat = adjust_lat(this.g - rh1 / this.a);
    p.x = lon;
    p.y = lat;
    return p;
  }
  else {
    var ml = this.g - rh1 / this.a;
    lat = imlfn(ml, this.e0, this.e1, this.e2, this.e3);
    lon = adjust_lon(this.long0 + theta / this.ns);
    p.x = lon;
    p.y = lat;
    return p;
  }

};
exports.names = ["Equidistant_Conic", "eqdc"];

},{"../common/adjust_lat":45,"../common/adjust_lon":46,"../common/e0fn":48,"../common/e1fn":49,"../common/e2fn":50,"../common/e3fn":51,"../common/imlfn":53,"../common/mlfn":55,"../common/msfnz":56}],86:[function(_dereq_,module,exports){
var FORTPI = Math.PI/4;
var srat = _dereq_('../common/srat');
var HALF_PI = Math.PI/2;
var MAX_ITER = 20;
exports.init = function() {
  var sphi = Math.sin(this.lat0);
  var cphi = Math.cos(this.lat0);
  cphi *= cphi;
  this.rc = Math.sqrt(1 - this.es) / (1 - this.es * sphi * sphi);
  this.C = Math.sqrt(1 + this.es * cphi * cphi / (1 - this.es));
  this.phic0 = Math.asin(sphi / this.C);
  this.ratexp = 0.5 * this.C * this.e;
  this.K = Math.tan(0.5 * this.phic0 + FORTPI) / (Math.pow(Math.tan(0.5 * this.lat0 + FORTPI), this.C) * srat(this.e * sphi, this.ratexp));
};

exports.forward = function(p) {
  var lon = p.x;
  var lat = p.y;

  p.y = 2 * Math.atan(this.K * Math.pow(Math.tan(0.5 * lat + FORTPI), this.C) * srat(this.e * Math.sin(lat), this.ratexp)) - HALF_PI;
  p.x = this.C * lon;
  return p;
};

exports.inverse = function(p) {
  var DEL_TOL = 1e-14;
  var lon = p.x / this.C;
  var lat = p.y;
  var num = Math.pow(Math.tan(0.5 * lat + FORTPI) / this.K, 1 / this.C);
  for (var i = MAX_ITER; i > 0; --i) {
    lat = 2 * Math.atan(num * srat(this.e * Math.sin(p.y), - 0.5 * this.e)) - HALF_PI;
    if (Math.abs(lat - p.y) < DEL_TOL) {
      break;
    }
    p.y = lat;
  }
  /* convergence failed */
  if (!i) {
    return null;
  }
  p.x = lon;
  p.y = lat;
  return p;
};
exports.names = ["gauss"];

},{"../common/srat":63}],87:[function(_dereq_,module,exports){
var adjust_lon = _dereq_('../common/adjust_lon');
var EPSLN = 1.0e-10;
var asinz = _dereq_('../common/asinz');

/*
  reference:
    Wolfram Mathworld "Gnomonic Projection"
    http://mathworld.wolfram.com/GnomonicProjection.html
    Accessed: 12th November 2009
  */
exports.init = function() {

  /* Place parameters in static storage for common use
      -------------------------------------------------*/
  this.sin_p14 = Math.sin(this.lat0);
  this.cos_p14 = Math.cos(this.lat0);
  // Approximation for projecting points to the horizon (infinity)
  this.infinity_dist = 1000 * this.a;
  this.rc = 1;
};


/* Gnomonic forward equations--mapping lat,long to x,y
    ---------------------------------------------------*/
exports.forward = function(p) {
  var sinphi, cosphi; /* sin and cos value        */
  var dlon; /* delta longitude value      */
  var coslon; /* cos of longitude        */
  var ksp; /* scale factor          */
  var g;
  var x, y;
  var lon = p.x;
  var lat = p.y;
  /* Forward equations
      -----------------*/
  dlon = adjust_lon(lon - this.long0);

  sinphi = Math.sin(lat);
  cosphi = Math.cos(lat);

  coslon = Math.cos(dlon);
  g = this.sin_p14 * sinphi + this.cos_p14 * cosphi * coslon;
  ksp = 1;
  if ((g > 0) || (Math.abs(g) <= EPSLN)) {
    x = this.x0 + this.a * ksp * cosphi * Math.sin(dlon) / g;
    y = this.y0 + this.a * ksp * (this.cos_p14 * sinphi - this.sin_p14 * cosphi * coslon) / g;
  }
  else {

    // Point is in the opposing hemisphere and is unprojectable
    // We still need to return a reasonable point, so we project 
    // to infinity, on a bearing 
    // equivalent to the northern hemisphere equivalent
    // This is a reasonable approximation for short shapes and lines that 
    // straddle the horizon.

    x = this.x0 + this.infinity_dist * cosphi * Math.sin(dlon);
    y = this.y0 + this.infinity_dist * (this.cos_p14 * sinphi - this.sin_p14 * cosphi * coslon);

  }
  p.x = x;
  p.y = y;
  return p;
};


exports.inverse = function(p) {
  var rh; /* Rho */
  var sinc, cosc;
  var c;
  var lon, lat;

  /* Inverse equations
      -----------------*/
  p.x = (p.x - this.x0) / this.a;
  p.y = (p.y - this.y0) / this.a;

  p.x /= this.k0;
  p.y /= this.k0;

  if ((rh = Math.sqrt(p.x * p.x + p.y * p.y))) {
    c = Math.atan2(rh, this.rc);
    sinc = Math.sin(c);
    cosc = Math.cos(c);

    lat = asinz(cosc * this.sin_p14 + (p.y * sinc * this.cos_p14) / rh);
    lon = Math.atan2(p.x * sinc, rh * this.cos_p14 * cosc - p.y * this.sin_p14 * sinc);
    lon = adjust_lon(this.long0 + lon);
  }
  else {
    lat = this.phic0;
    lon = 0;
  }

  p.x = lon;
  p.y = lat;
  return p;
};
exports.names = ["gnom"];

},{"../common/adjust_lon":46,"../common/asinz":47}],88:[function(_dereq_,module,exports){
var adjust_lon = _dereq_('../common/adjust_lon');
exports.init = function() {
  this.a = 6377397.155;
  this.es = 0.006674372230614;
  this.e = Math.sqrt(this.es);
  if (!this.lat0) {
    this.lat0 = 0.863937979737193;
  }
  if (!this.long0) {
    this.long0 = 0.7417649320975901 - 0.308341501185665;
  }
  /* if scale not set default to 0.9999 */
  if (!this.k0) {
    this.k0 = 0.9999;
  }
  this.s45 = 0.785398163397448; /* 45 */
  this.s90 = 2 * this.s45;
  this.fi0 = this.lat0;
  this.e2 = this.es;
  this.e = Math.sqrt(this.e2);
  this.alfa = Math.sqrt(1 + (this.e2 * Math.pow(Math.cos(this.fi0), 4)) / (1 - this.e2));
  this.uq = 1.04216856380474;
  this.u0 = Math.asin(Math.sin(this.fi0) / this.alfa);
  this.g = Math.pow((1 + this.e * Math.sin(this.fi0)) / (1 - this.e * Math.sin(this.fi0)), this.alfa * this.e / 2);
  this.k = Math.tan(this.u0 / 2 + this.s45) / Math.pow(Math.tan(this.fi0 / 2 + this.s45), this.alfa) * this.g;
  this.k1 = this.k0;
  this.n0 = this.a * Math.sqrt(1 - this.e2) / (1 - this.e2 * Math.pow(Math.sin(this.fi0), 2));
  this.s0 = 1.37008346281555;
  this.n = Math.sin(this.s0);
  this.ro0 = this.k1 * this.n0 / Math.tan(this.s0);
  this.ad = this.s90 - this.uq;
};

/* ellipsoid */
/* calculate xy from lat/lon */
/* Constants, identical to inverse transform function */
exports.forward = function(p) {
  var gfi, u, deltav, s, d, eps, ro;
  var lon = p.x;
  var lat = p.y;
  var delta_lon = adjust_lon(lon - this.long0);
  /* Transformation */
  gfi = Math.pow(((1 + this.e * Math.sin(lat)) / (1 - this.e * Math.sin(lat))), (this.alfa * this.e / 2));
  u = 2 * (Math.atan(this.k * Math.pow(Math.tan(lat / 2 + this.s45), this.alfa) / gfi) - this.s45);
  deltav = -delta_lon * this.alfa;
  s = Math.asin(Math.cos(this.ad) * Math.sin(u) + Math.sin(this.ad) * Math.cos(u) * Math.cos(deltav));
  d = Math.asin(Math.cos(u) * Math.sin(deltav) / Math.cos(s));
  eps = this.n * d;
  ro = this.ro0 * Math.pow(Math.tan(this.s0 / 2 + this.s45), this.n) / Math.pow(Math.tan(s / 2 + this.s45), this.n);
  p.y = ro * Math.cos(eps) / 1;
  p.x = ro * Math.sin(eps) / 1;

  if (!this.czech) {
    p.y *= -1;
    p.x *= -1;
  }
  return (p);
};

/* calculate lat/lon from xy */
exports.inverse = function(p) {
  var u, deltav, s, d, eps, ro, fi1;
  var ok;

  /* Transformation */
  /* revert y, x*/
  var tmp = p.x;
  p.x = p.y;
  p.y = tmp;
  if (!this.czech) {
    p.y *= -1;
    p.x *= -1;
  }
  ro = Math.sqrt(p.x * p.x + p.y * p.y);
  eps = Math.atan2(p.y, p.x);
  d = eps / Math.sin(this.s0);
  s = 2 * (Math.atan(Math.pow(this.ro0 / ro, 1 / this.n) * Math.tan(this.s0 / 2 + this.s45)) - this.s45);
  u = Math.asin(Math.cos(this.ad) * Math.sin(s) - Math.sin(this.ad) * Math.cos(s) * Math.cos(d));
  deltav = Math.asin(Math.cos(s) * Math.sin(d) / Math.cos(u));
  p.x = this.long0 - deltav / this.alfa;
  fi1 = u;
  ok = 0;
  var iter = 0;
  do {
    p.y = 2 * (Math.atan(Math.pow(this.k, - 1 / this.alfa) * Math.pow(Math.tan(u / 2 + this.s45), 1 / this.alfa) * Math.pow((1 + this.e * Math.sin(fi1)) / (1 - this.e * Math.sin(fi1)), this.e / 2)) - this.s45);
    if (Math.abs(fi1 - p.y) < 0.0000000001) {
      ok = 1;
    }
    fi1 = p.y;
    iter += 1;
  } while (ok === 0 && iter < 15);
  if (iter >= 15) {
    return null;
  }

  return (p);
};
exports.names = ["Krovak", "krovak"];

},{"../common/adjust_lon":46}],89:[function(_dereq_,module,exports){
var HALF_PI = Math.PI/2;
var FORTPI = Math.PI/4;
var EPSLN = 1.0e-10;
var qsfnz = _dereq_('../common/qsfnz');
var adjust_lon = _dereq_('../common/adjust_lon');
/*
  reference
    "New Equal-Area Map Projections for Noncircular Regions", John P. Snyder,
    The American Cartographer, Vol 15, No. 4, October 1988, pp. 341-355.
  */

exports.S_POLE = 1;
exports.N_POLE = 2;
exports.EQUIT = 3;
exports.OBLIQ = 4;


/* Initialize the Lambert Azimuthal Equal Area projection
  ------------------------------------------------------*/
exports.init = function() {
  var t = Math.abs(this.lat0);
  if (Math.abs(t - HALF_PI) < EPSLN) {
    this.mode = this.lat0 < 0 ? this.S_POLE : this.N_POLE;
  }
  else if (Math.abs(t) < EPSLN) {
    this.mode = this.EQUIT;
  }
  else {
    this.mode = this.OBLIQ;
  }
  if (this.es > 0) {
    var sinphi;

    this.qp = qsfnz(this.e, 1);
    this.mmf = 0.5 / (1 - this.es);
    this.apa = this.authset(this.es);
    switch (this.mode) {
    case this.N_POLE:
      this.dd = 1;
      break;
    case this.S_POLE:
      this.dd = 1;
      break;
    case this.EQUIT:
      this.rq = Math.sqrt(0.5 * this.qp);
      this.dd = 1 / this.rq;
      this.xmf = 1;
      this.ymf = 0.5 * this.qp;
      break;
    case this.OBLIQ:
      this.rq = Math.sqrt(0.5 * this.qp);
      sinphi = Math.sin(this.lat0);
      this.sinb1 = qsfnz(this.e, sinphi) / this.qp;
      this.cosb1 = Math.sqrt(1 - this.sinb1 * this.sinb1);
      this.dd = Math.cos(this.lat0) / (Math.sqrt(1 - this.es * sinphi * sinphi) * this.rq * this.cosb1);
      this.ymf = (this.xmf = this.rq) / this.dd;
      this.xmf *= this.dd;
      break;
    }
  }
  else {
    if (this.mode === this.OBLIQ) {
      this.sinph0 = Math.sin(this.lat0);
      this.cosph0 = Math.cos(this.lat0);
    }
  }
};

/* Lambert Azimuthal Equal Area forward equations--mapping lat,long to x,y
  -----------------------------------------------------------------------*/
exports.forward = function(p) {

  /* Forward equations
      -----------------*/
  var x, y, coslam, sinlam, sinphi, q, sinb, cosb, b, cosphi;
  var lam = p.x;
  var phi = p.y;

  lam = adjust_lon(lam - this.long0);

  if (this.sphere) {
    sinphi = Math.sin(phi);
    cosphi = Math.cos(phi);
    coslam = Math.cos(lam);
    if (this.mode === this.OBLIQ || this.mode === this.EQUIT) {
      y = (this.mode === this.EQUIT) ? 1 + cosphi * coslam : 1 + this.sinph0 * sinphi + this.cosph0 * cosphi * coslam;
      if (y <= EPSLN) {
        return null;
      }
      y = Math.sqrt(2 / y);
      x = y * cosphi * Math.sin(lam);
      y *= (this.mode === this.EQUIT) ? sinphi : this.cosph0 * sinphi - this.sinph0 * cosphi * coslam;
    }
    else if (this.mode === this.N_POLE || this.mode === this.S_POLE) {
      if (this.mode === this.N_POLE) {
        coslam = -coslam;
      }
      if (Math.abs(phi + this.phi0) < EPSLN) {
        return null;
      }
      y = FORTPI - phi * 0.5;
      y = 2 * ((this.mode === this.S_POLE) ? Math.cos(y) : Math.sin(y));
      x = y * Math.sin(lam);
      y *= coslam;
    }
  }
  else {
    sinb = 0;
    cosb = 0;
    b = 0;
    coslam = Math.cos(lam);
    sinlam = Math.sin(lam);
    sinphi = Math.sin(phi);
    q = qsfnz(this.e, sinphi);
    if (this.mode === this.OBLIQ || this.mode === this.EQUIT) {
      sinb = q / this.qp;
      cosb = Math.sqrt(1 - sinb * sinb);
    }
    switch (this.mode) {
    case this.OBLIQ:
      b = 1 + this.sinb1 * sinb + this.cosb1 * cosb * coslam;
      break;
    case this.EQUIT:
      b = 1 + cosb * coslam;
      break;
    case this.N_POLE:
      b = HALF_PI + phi;
      q = this.qp - q;
      break;
    case this.S_POLE:
      b = phi - HALF_PI;
      q = this.qp + q;
      break;
    }
    if (Math.abs(b) < EPSLN) {
      return null;
    }
    switch (this.mode) {
    case this.OBLIQ:
    case this.EQUIT:
      b = Math.sqrt(2 / b);
      if (this.mode === this.OBLIQ) {
        y = this.ymf * b * (this.cosb1 * sinb - this.sinb1 * cosb * coslam);
      }
      else {
        y = (b = Math.sqrt(2 / (1 + cosb * coslam))) * sinb * this.ymf;
      }
      x = this.xmf * b * cosb * sinlam;
      break;
    case this.N_POLE:
    case this.S_POLE:
      if (q >= 0) {
        x = (b = Math.sqrt(q)) * sinlam;
        y = coslam * ((this.mode === this.S_POLE) ? b : -b);
      }
      else {
        x = y = 0;
      }
      break;
    }
  }

  p.x = this.a * x + this.x0;
  p.y = this.a * y + this.y0;
  return p;
};

/* Inverse equations
  -----------------*/
exports.inverse = function(p) {
  p.x -= this.x0;
  p.y -= this.y0;
  var x = p.x / this.a;
  var y = p.y / this.a;
  var lam, phi, cCe, sCe, q, rho, ab;

  if (this.sphere) {
    var cosz = 0,
      rh, sinz = 0;

    rh = Math.sqrt(x * x + y * y);
    phi = rh * 0.5;
    if (phi > 1) {
      return null;
    }
    phi = 2 * Math.asin(phi);
    if (this.mode === this.OBLIQ || this.mode === this.EQUIT) {
      sinz = Math.sin(phi);
      cosz = Math.cos(phi);
    }
    switch (this.mode) {
    case this.EQUIT:
      phi = (Math.abs(rh) <= EPSLN) ? 0 : Math.asin(y * sinz / rh);
      x *= sinz;
      y = cosz * rh;
      break;
    case this.OBLIQ:
      phi = (Math.abs(rh) <= EPSLN) ? this.phi0 : Math.asin(cosz * this.sinph0 + y * sinz * this.cosph0 / rh);
      x *= sinz * this.cosph0;
      y = (cosz - Math.sin(phi) * this.sinph0) * rh;
      break;
    case this.N_POLE:
      y = -y;
      phi = HALF_PI - phi;
      break;
    case this.S_POLE:
      phi -= HALF_PI;
      break;
    }
    lam = (y === 0 && (this.mode === this.EQUIT || this.mode === this.OBLIQ)) ? 0 : Math.atan2(x, y);
  }
  else {
    ab = 0;
    if (this.mode === this.OBLIQ || this.mode === this.EQUIT) {
      x /= this.dd;
      y *= this.dd;
      rho = Math.sqrt(x * x + y * y);
      if (rho < EPSLN) {
        p.x = 0;
        p.y = this.phi0;
        return p;
      }
      sCe = 2 * Math.asin(0.5 * rho / this.rq);
      cCe = Math.cos(sCe);
      x *= (sCe = Math.sin(sCe));
      if (this.mode === this.OBLIQ) {
        ab = cCe * this.sinb1 + y * sCe * this.cosb1 / rho;
        q = this.qp * ab;
        y = rho * this.cosb1 * cCe - y * this.sinb1 * sCe;
      }
      else {
        ab = y * sCe / rho;
        q = this.qp * ab;
        y = rho * cCe;
      }
    }
    else if (this.mode === this.N_POLE || this.mode === this.S_POLE) {
      if (this.mode === this.N_POLE) {
        y = -y;
      }
      q = (x * x + y * y);
      if (!q) {
        p.x = 0;
        p.y = this.phi0;
        return p;
      }
      ab = 1 - q / this.qp;
      if (this.mode === this.S_POLE) {
        ab = -ab;
      }
    }
    lam = Math.atan2(x, y);
    phi = this.authlat(Math.asin(ab), this.apa);
  }


  p.x = adjust_lon(this.long0 + lam);
  p.y = phi;
  return p;
};

/* determine latitude from authalic latitude */
exports.P00 = 0.33333333333333333333;
exports.P01 = 0.17222222222222222222;
exports.P02 = 0.10257936507936507936;
exports.P10 = 0.06388888888888888888;
exports.P11 = 0.06640211640211640211;
exports.P20 = 0.01641501294219154443;

exports.authset = function(es) {
  var t;
  var APA = [];
  APA[0] = es * this.P00;
  t = es * es;
  APA[0] += t * this.P01;
  APA[1] = t * this.P10;
  t *= es;
  APA[0] += t * this.P02;
  APA[1] += t * this.P11;
  APA[2] = t * this.P20;
  return APA;
};

exports.authlat = function(beta, APA) {
  var t = beta + beta;
  return (beta + APA[0] * Math.sin(t) + APA[1] * Math.sin(t + t) + APA[2] * Math.sin(t + t + t));
};
exports.names = ["Lambert Azimuthal Equal Area", "Lambert_Azimuthal_Equal_Area", "laea"];

},{"../common/adjust_lon":46,"../common/qsfnz":61}],90:[function(_dereq_,module,exports){
var EPSLN = 1.0e-10;
var msfnz = _dereq_('../common/msfnz');
var tsfnz = _dereq_('../common/tsfnz');
var HALF_PI = Math.PI/2;
var sign = _dereq_('../common/sign');
var adjust_lon = _dereq_('../common/adjust_lon');
var phi2z = _dereq_('../common/phi2z');
exports.init = function() {

  // array of:  r_maj,r_min,lat1,lat2,c_lon,c_lat,false_east,false_north
  //double c_lat;                   /* center latitude                      */
  //double c_lon;                   /* center longitude                     */
  //double lat1;                    /* first standard parallel              */
  //double lat2;                    /* second standard parallel             */
  //double r_maj;                   /* major axis                           */
  //double r_min;                   /* minor axis                           */
  //double false_east;              /* x offset in meters                   */
  //double false_north;             /* y offset in meters                   */

  if (!this.lat2) {
    this.lat2 = this.lat1;
  } //if lat2 is not defined
  if (!this.k0) {
    this.k0 = 1;
  }

  // Standard Parallels cannot be equal and on opposite sides of the equator
  if (Math.abs(this.lat1 + this.lat2) < EPSLN) {
    return;
  }

  var temp = this.b / this.a;
  this.e = Math.sqrt(1 - temp * temp);

  var sin1 = Math.sin(this.lat1);
  var cos1 = Math.cos(this.lat1);
  var ms1 = msfnz(this.e, sin1, cos1);
  var ts1 = tsfnz(this.e, this.lat1, sin1);

  var sin2 = Math.sin(this.lat2);
  var cos2 = Math.cos(this.lat2);
  var ms2 = msfnz(this.e, sin2, cos2);
  var ts2 = tsfnz(this.e, this.lat2, sin2);

  var ts0 = tsfnz(this.e, this.lat0, Math.sin(this.lat0));

  if (Math.abs(this.lat1 - this.lat2) > EPSLN) {
    this.ns = Math.log(ms1 / ms2) / Math.log(ts1 / ts2);
  }
  else {
    this.ns = sin1;
  }
  if (isNaN(this.ns)) {
    this.ns = sin1;
  }
  this.f0 = ms1 / (this.ns * Math.pow(ts1, this.ns));
  this.rh = this.a * this.f0 * Math.pow(ts0, this.ns);
  if (!this.title) {
    this.title = "Lambert Conformal Conic";
  }
};


// Lambert Conformal conic forward equations--mapping lat,long to x,y
// -----------------------------------------------------------------
exports.forward = function(p) {

  var lon = p.x;
  var lat = p.y;

  // singular cases :
  if (Math.abs(2 * Math.abs(lat) - Math.PI) <= EPSLN) {
    lat = sign(lat) * (HALF_PI - 2 * EPSLN);
  }

  var con = Math.abs(Math.abs(lat) - HALF_PI);
  var ts, rh1;
  if (con > EPSLN) {
    ts = tsfnz(this.e, lat, Math.sin(lat));
    rh1 = this.a * this.f0 * Math.pow(ts, this.ns);
  }
  else {
    con = lat * this.ns;
    if (con <= 0) {
      return null;
    }
    rh1 = 0;
  }
  var theta = this.ns * adjust_lon(lon - this.long0);
  p.x = this.k0 * (rh1 * Math.sin(theta)) + this.x0;
  p.y = this.k0 * (this.rh - rh1 * Math.cos(theta)) + this.y0;

  return p;
};

// Lambert Conformal Conic inverse equations--mapping x,y to lat/long
// -----------------------------------------------------------------
exports.inverse = function(p) {

  var rh1, con, ts;
  var lat, lon;
  var x = (p.x - this.x0) / this.k0;
  var y = (this.rh - (p.y - this.y0) / this.k0);
  if (this.ns > 0) {
    rh1 = Math.sqrt(x * x + y * y);
    con = 1;
  }
  else {
    rh1 = -Math.sqrt(x * x + y * y);
    con = -1;
  }
  var theta = 0;
  if (rh1 !== 0) {
    theta = Math.atan2((con * x), (con * y));
  }
  if ((rh1 !== 0) || (this.ns > 0)) {
    con = 1 / this.ns;
    ts = Math.pow((rh1 / (this.a * this.f0)), con);
    lat = phi2z(this.e, ts);
    if (lat === -9999) {
      return null;
    }
  }
  else {
    lat = -HALF_PI;
  }
  lon = adjust_lon(theta / this.ns + this.long0);

  p.x = lon;
  p.y = lat;
  return p;
};

exports.names = ["Lambert Tangential Conformal Conic Projection", "Lambert_Conformal_Conic", "Lambert_Conformal_Conic_2SP", "lcc"];

},{"../common/adjust_lon":46,"../common/msfnz":56,"../common/phi2z":57,"../common/sign":62,"../common/tsfnz":64}],91:[function(_dereq_,module,exports){
exports.init = function() {
  //no-op for longlat
};

function identity(pt) {
  return pt;
}
exports.forward = identity;
exports.inverse = identity;
exports.names = ["longlat", "identity"];

},{}],92:[function(_dereq_,module,exports){
var msfnz = _dereq_('../common/msfnz');
var HALF_PI = Math.PI/2;
var EPSLN = 1.0e-10;
var R2D = 57.29577951308232088;
var adjust_lon = _dereq_('../common/adjust_lon');
var FORTPI = Math.PI/4;
var tsfnz = _dereq_('../common/tsfnz');
var phi2z = _dereq_('../common/phi2z');
exports.init = function() {
  var con = this.b / this.a;
  this.es = 1 - con * con;
  if(!('x0' in this)){
    this.x0 = 0;
  }
  if(!('y0' in this)){
    this.y0 = 0;
  }
  this.e = Math.sqrt(this.es);
  if (this.lat_ts) {
    if (this.sphere) {
      this.k0 = Math.cos(this.lat_ts);
    }
    else {
      this.k0 = msfnz(this.e, Math.sin(this.lat_ts), Math.cos(this.lat_ts));
    }
  }
  else {
    if (!this.k0) {
      if (this.k) {
        this.k0 = this.k;
      }
      else {
        this.k0 = 1;
      }
    }
  }
};

/* Mercator forward equations--mapping lat,long to x,y
  --------------------------------------------------*/

exports.forward = function(p) {
  var lon = p.x;
  var lat = p.y;
  // convert to radians
  if (lat * R2D > 90 && lat * R2D < -90 && lon * R2D > 180 && lon * R2D < -180) {
    return null;
  }

  var x, y;
  if (Math.abs(Math.abs(lat) - HALF_PI) <= EPSLN) {
    return null;
  }
  else {
    if (this.sphere) {
      x = this.x0 + this.a * this.k0 * adjust_lon(lon - this.long0);
      y = this.y0 + this.a * this.k0 * Math.log(Math.tan(FORTPI + 0.5 * lat));
    }
    else {
      var sinphi = Math.sin(lat);
      var ts = tsfnz(this.e, lat, sinphi);
      x = this.x0 + this.a * this.k0 * adjust_lon(lon - this.long0);
      y = this.y0 - this.a * this.k0 * Math.log(ts);
    }
    p.x = x;
    p.y = y;
    return p;
  }
};


/* Mercator inverse equations--mapping x,y to lat/long
  --------------------------------------------------*/
exports.inverse = function(p) {

  var x = p.x - this.x0;
  var y = p.y - this.y0;
  var lon, lat;

  if (this.sphere) {
    lat = HALF_PI - 2 * Math.atan(Math.exp(-y / (this.a * this.k0)));
  }
  else {
    var ts = Math.exp(-y / (this.a * this.k0));
    lat = phi2z(this.e, ts);
    if (lat === -9999) {
      return null;
    }
  }
  lon = adjust_lon(this.long0 + x / (this.a * this.k0));

  p.x = lon;
  p.y = lat;
  return p;
};

exports.names = ["Mercator", "Popular Visualisation Pseudo Mercator", "Mercator_1SP", "Mercator_Auxiliary_Sphere", "merc"];

},{"../common/adjust_lon":46,"../common/msfnz":56,"../common/phi2z":57,"../common/tsfnz":64}],93:[function(_dereq_,module,exports){
var adjust_lon = _dereq_('../common/adjust_lon');
/*
  reference
    "New Equal-Area Map Projections for Noncircular Regions", John P. Snyder,
    The American Cartographer, Vol 15, No. 4, October 1988, pp. 341-355.
  */


/* Initialize the Miller Cylindrical projection
  -------------------------------------------*/
exports.init = function() {
  //no-op
};


/* Miller Cylindrical forward equations--mapping lat,long to x,y
    ------------------------------------------------------------*/
exports.forward = function(p) {
  var lon = p.x;
  var lat = p.y;
  /* Forward equations
      -----------------*/
  var dlon = adjust_lon(lon - this.long0);
  var x = this.x0 + this.a * dlon;
  var y = this.y0 + this.a * Math.log(Math.tan((Math.PI / 4) + (lat / 2.5))) * 1.25;

  p.x = x;
  p.y = y;
  return p;
};

/* Miller Cylindrical inverse equations--mapping x,y to lat/long
    ------------------------------------------------------------*/
exports.inverse = function(p) {
  p.x -= this.x0;
  p.y -= this.y0;

  var lon = adjust_lon(this.long0 + p.x / this.a);
  var lat = 2.5 * (Math.atan(Math.exp(0.8 * p.y / this.a)) - Math.PI / 4);

  p.x = lon;
  p.y = lat;
  return p;
};
exports.names = ["Miller_Cylindrical", "mill"];

},{"../common/adjust_lon":46}],94:[function(_dereq_,module,exports){
var adjust_lon = _dereq_('../common/adjust_lon');
var EPSLN = 1.0e-10;
exports.init = function() {};

/* Mollweide forward equations--mapping lat,long to x,y
    ----------------------------------------------------*/
exports.forward = function(p) {

  /* Forward equations
      -----------------*/
  var lon = p.x;
  var lat = p.y;

  var delta_lon = adjust_lon(lon - this.long0);
  var theta = lat;
  var con = Math.PI * Math.sin(lat);

  /* Iterate using the Newton-Raphson method to find theta
      -----------------------------------------------------*/
  for (var i = 0; true; i++) {
    var delta_theta = -(theta + Math.sin(theta) - con) / (1 + Math.cos(theta));
    theta += delta_theta;
    if (Math.abs(delta_theta) < EPSLN) {
      break;
    }
  }
  theta /= 2;

  /* If the latitude is 90 deg, force the x coordinate to be "0 + false easting"
       this is done here because of precision problems with "cos(theta)"
       --------------------------------------------------------------------------*/
  if (Math.PI / 2 - Math.abs(lat) < EPSLN) {
    delta_lon = 0;
  }
  var x = 0.900316316158 * this.a * delta_lon * Math.cos(theta) + this.x0;
  var y = 1.4142135623731 * this.a * Math.sin(theta) + this.y0;

  p.x = x;
  p.y = y;
  return p;
};

exports.inverse = function(p) {
  var theta;
  var arg;

  /* Inverse equations
      -----------------*/
  p.x -= this.x0;
  p.y -= this.y0;
  arg = p.y / (1.4142135623731 * this.a);

  /* Because of division by zero problems, 'arg' can not be 1.  Therefore
       a number very close to one is used instead.
       -------------------------------------------------------------------*/
  if (Math.abs(arg) > 0.999999999999) {
    arg = 0.999999999999;
  }
  theta = Math.asin(arg);
  var lon = adjust_lon(this.long0 + (p.x / (0.900316316158 * this.a * Math.cos(theta))));
  if (lon < (-Math.PI)) {
    lon = -Math.PI;
  }
  if (lon > Math.PI) {
    lon = Math.PI;
  }
  arg = (2 * theta + Math.sin(2 * theta)) / Math.PI;
  if (Math.abs(arg) > 1) {
    arg = 1;
  }
  var lat = Math.asin(arg);

  p.x = lon;
  p.y = lat;
  return p;
};
exports.names = ["Mollweide", "moll"];

},{"../common/adjust_lon":46}],95:[function(_dereq_,module,exports){
var SEC_TO_RAD = 4.84813681109535993589914102357e-6;
/*
  reference
    Department of Land and Survey Technical Circular 1973/32
      http://www.linz.govt.nz/docs/miscellaneous/nz-map-definition.pdf
    OSG Technical Report 4.1
      http://www.linz.govt.nz/docs/miscellaneous/nzmg.pdf
  */

/**
 * iterations: Number of iterations to refine inverse transform.
 *     0 -> km accuracy
 *     1 -> m accuracy -- suitable for most mapping applications
 *     2 -> mm accuracy
 */
exports.iterations = 1;

exports.init = function() {
  this.A = [];
  this.A[1] = 0.6399175073;
  this.A[2] = -0.1358797613;
  this.A[3] = 0.063294409;
  this.A[4] = -0.02526853;
  this.A[5] = 0.0117879;
  this.A[6] = -0.0055161;
  this.A[7] = 0.0026906;
  this.A[8] = -0.001333;
  this.A[9] = 0.00067;
  this.A[10] = -0.00034;

  this.B_re = [];
  this.B_im = [];
  this.B_re[1] = 0.7557853228;
  this.B_im[1] = 0;
  this.B_re[2] = 0.249204646;
  this.B_im[2] = 0.003371507;
  this.B_re[3] = -0.001541739;
  this.B_im[3] = 0.041058560;
  this.B_re[4] = -0.10162907;
  this.B_im[4] = 0.01727609;
  this.B_re[5] = -0.26623489;
  this.B_im[5] = -0.36249218;
  this.B_re[6] = -0.6870983;
  this.B_im[6] = -1.1651967;

  this.C_re = [];
  this.C_im = [];
  this.C_re[1] = 1.3231270439;
  this.C_im[1] = 0;
  this.C_re[2] = -0.577245789;
  this.C_im[2] = -0.007809598;
  this.C_re[3] = 0.508307513;
  this.C_im[3] = -0.112208952;
  this.C_re[4] = -0.15094762;
  this.C_im[4] = 0.18200602;
  this.C_re[5] = 1.01418179;
  this.C_im[5] = 1.64497696;
  this.C_re[6] = 1.9660549;
  this.C_im[6] = 2.5127645;

  this.D = [];
  this.D[1] = 1.5627014243;
  this.D[2] = 0.5185406398;
  this.D[3] = -0.03333098;
  this.D[4] = -0.1052906;
  this.D[5] = -0.0368594;
  this.D[6] = 0.007317;
  this.D[7] = 0.01220;
  this.D[8] = 0.00394;
  this.D[9] = -0.0013;
};

/**
    New Zealand Map Grid Forward  - long/lat to x/y
    long/lat in radians
  */
exports.forward = function(p) {
  var n;
  var lon = p.x;
  var lat = p.y;

  var delta_lat = lat - this.lat0;
  var delta_lon = lon - this.long0;

  // 1. Calculate d_phi and d_psi    ...                          // and d_lambda
  // For this algorithm, delta_latitude is in seconds of arc x 10-5, so we need to scale to those units. Longitude is radians.
  var d_phi = delta_lat / SEC_TO_RAD * 1E-5;
  var d_lambda = delta_lon;
  var d_phi_n = 1; // d_phi^0

  var d_psi = 0;
  for (n = 1; n <= 10; n++) {
    d_phi_n = d_phi_n * d_phi;
    d_psi = d_psi + this.A[n] * d_phi_n;
  }

  // 2. Calculate theta
  var th_re = d_psi;
  var th_im = d_lambda;

  // 3. Calculate z
  var th_n_re = 1;
  var th_n_im = 0; // theta^0
  var th_n_re1;
  var th_n_im1;

  var z_re = 0;
  var z_im = 0;
  for (n = 1; n <= 6; n++) {
    th_n_re1 = th_n_re * th_re - th_n_im * th_im;
    th_n_im1 = th_n_im * th_re + th_n_re * th_im;
    th_n_re = th_n_re1;
    th_n_im = th_n_im1;
    z_re = z_re + this.B_re[n] * th_n_re - this.B_im[n] * th_n_im;
    z_im = z_im + this.B_im[n] * th_n_re + this.B_re[n] * th_n_im;
  }

  // 4. Calculate easting and northing
  p.x = (z_im * this.a) + this.x0;
  p.y = (z_re * this.a) + this.y0;

  return p;
};


/**
    New Zealand Map Grid Inverse  -  x/y to long/lat
  */
exports.inverse = function(p) {
  var n;
  var x = p.x;
  var y = p.y;

  var delta_x = x - this.x0;
  var delta_y = y - this.y0;

  // 1. Calculate z
  var z_re = delta_y / this.a;
  var z_im = delta_x / this.a;

  // 2a. Calculate theta - first approximation gives km accuracy
  var z_n_re = 1;
  var z_n_im = 0; // z^0
  var z_n_re1;
  var z_n_im1;

  var th_re = 0;
  var th_im = 0;
  for (n = 1; n <= 6; n++) {
    z_n_re1 = z_n_re * z_re - z_n_im * z_im;
    z_n_im1 = z_n_im * z_re + z_n_re * z_im;
    z_n_re = z_n_re1;
    z_n_im = z_n_im1;
    th_re = th_re + this.C_re[n] * z_n_re - this.C_im[n] * z_n_im;
    th_im = th_im + this.C_im[n] * z_n_re + this.C_re[n] * z_n_im;
  }

  // 2b. Iterate to refine the accuracy of the calculation
  //        0 iterations gives km accuracy
  //        1 iteration gives m accuracy -- good enough for most mapping applications
  //        2 iterations bives mm accuracy
  for (var i = 0; i < this.iterations; i++) {
    var th_n_re = th_re;
    var th_n_im = th_im;
    var th_n_re1;
    var th_n_im1;

    var num_re = z_re;
    var num_im = z_im;
    for (n = 2; n <= 6; n++) {
      th_n_re1 = th_n_re * th_re - th_n_im * th_im;
      th_n_im1 = th_n_im * th_re + th_n_re * th_im;
      th_n_re = th_n_re1;
      th_n_im = th_n_im1;
      num_re = num_re + (n - 1) * (this.B_re[n] * th_n_re - this.B_im[n] * th_n_im);
      num_im = num_im + (n - 1) * (this.B_im[n] * th_n_re + this.B_re[n] * th_n_im);
    }

    th_n_re = 1;
    th_n_im = 0;
    var den_re = this.B_re[1];
    var den_im = this.B_im[1];
    for (n = 2; n <= 6; n++) {
      th_n_re1 = th_n_re * th_re - th_n_im * th_im;
      th_n_im1 = th_n_im * th_re + th_n_re * th_im;
      th_n_re = th_n_re1;
      th_n_im = th_n_im1;
      den_re = den_re + n * (this.B_re[n] * th_n_re - this.B_im[n] * th_n_im);
      den_im = den_im + n * (this.B_im[n] * th_n_re + this.B_re[n] * th_n_im);
    }

    // Complex division
    var den2 = den_re * den_re + den_im * den_im;
    th_re = (num_re * den_re + num_im * den_im) / den2;
    th_im = (num_im * den_re - num_re * den_im) / den2;
  }

  // 3. Calculate d_phi              ...                                    // and d_lambda
  var d_psi = th_re;
  var d_lambda = th_im;
  var d_psi_n = 1; // d_psi^0

  var d_phi = 0;
  for (n = 1; n <= 9; n++) {
    d_psi_n = d_psi_n * d_psi;
    d_phi = d_phi + this.D[n] * d_psi_n;
  }

  // 4. Calculate latitude and longitude
  // d_phi is calcuated in second of arc * 10^-5, so we need to scale back to radians. d_lambda is in radians.
  var lat = this.lat0 + (d_phi * SEC_TO_RAD * 1E5);
  var lon = this.long0 + d_lambda;

  p.x = lon;
  p.y = lat;

  return p;
};
exports.names = ["New_Zealand_Map_Grid", "nzmg"];
},{}],96:[function(_dereq_,module,exports){
var tsfnz = _dereq_('../common/tsfnz');
var adjust_lon = _dereq_('../common/adjust_lon');
var phi2z = _dereq_('../common/phi2z');
var HALF_PI = Math.PI/2;
var FORTPI = Math.PI/4;
var EPSLN = 1.0e-10;

/* Initialize the Oblique Mercator  projection
    ------------------------------------------*/
exports.init = function() {
  this.no_off = this.no_off || false;
  this.no_rot = this.no_rot || false;

  if (isNaN(this.k0)) {
    this.k0 = 1;
  }
  var sinlat = Math.sin(this.lat0);
  var coslat = Math.cos(this.lat0);
  var con = this.e * sinlat;

  this.bl = Math.sqrt(1 + this.es / (1 - this.es) * Math.pow(coslat, 4));
  this.al = this.a * this.bl * this.k0 * Math.sqrt(1 - this.es) / (1 - con * con);
  var t0 = tsfnz(this.e, this.lat0, sinlat);
  var dl = this.bl / coslat * Math.sqrt((1 - this.es) / (1 - con * con));
  if (dl * dl < 1) {
    dl = 1;
  }
  var fl;
  var gl;
  if (!isNaN(this.longc)) {
    //Central point and azimuth method

    if (this.lat0 >= 0) {
      fl = dl + Math.sqrt(dl * dl - 1);
    }
    else {
      fl = dl - Math.sqrt(dl * dl - 1);
    }
    this.el = fl * Math.pow(t0, this.bl);
    gl = 0.5 * (fl - 1 / fl);
    this.gamma0 = Math.asin(Math.sin(this.alpha) / dl);
    this.long0 = this.longc - Math.asin(gl * Math.tan(this.gamma0)) / this.bl;

  }
  else {
    //2 points method
    var t1 = tsfnz(this.e, this.lat1, Math.sin(this.lat1));
    var t2 = tsfnz(this.e, this.lat2, Math.sin(this.lat2));
    if (this.lat0 >= 0) {
      this.el = (dl + Math.sqrt(dl * dl - 1)) * Math.pow(t0, this.bl);
    }
    else {
      this.el = (dl - Math.sqrt(dl * dl - 1)) * Math.pow(t0, this.bl);
    }
    var hl = Math.pow(t1, this.bl);
    var ll = Math.pow(t2, this.bl);
    fl = this.el / hl;
    gl = 0.5 * (fl - 1 / fl);
    var jl = (this.el * this.el - ll * hl) / (this.el * this.el + ll * hl);
    var pl = (ll - hl) / (ll + hl);
    var dlon12 = adjust_lon(this.long1 - this.long2);
    this.long0 = 0.5 * (this.long1 + this.long2) - Math.atan(jl * Math.tan(0.5 * this.bl * (dlon12)) / pl) / this.bl;
    this.long0 = adjust_lon(this.long0);
    var dlon10 = adjust_lon(this.long1 - this.long0);
    this.gamma0 = Math.atan(Math.sin(this.bl * (dlon10)) / gl);
    this.alpha = Math.asin(dl * Math.sin(this.gamma0));
  }

  if (this.no_off) {
    this.uc = 0;
  }
  else {
    if (this.lat0 >= 0) {
      this.uc = this.al / this.bl * Math.atan2(Math.sqrt(dl * dl - 1), Math.cos(this.alpha));
    }
    else {
      this.uc = -1 * this.al / this.bl * Math.atan2(Math.sqrt(dl * dl - 1), Math.cos(this.alpha));
    }
  }

};


/* Oblique Mercator forward equations--mapping lat,long to x,y
    ----------------------------------------------------------*/
exports.forward = function(p) {
  var lon = p.x;
  var lat = p.y;
  var dlon = adjust_lon(lon - this.long0);
  var us, vs;
  var con;
  if (Math.abs(Math.abs(lat) - HALF_PI) <= EPSLN) {
    if (lat > 0) {
      con = -1;
    }
    else {
      con = 1;
    }
    vs = this.al / this.bl * Math.log(Math.tan(FORTPI + con * this.gamma0 * 0.5));
    us = -1 * con * HALF_PI * this.al / this.bl;
  }
  else {
    var t = tsfnz(this.e, lat, Math.sin(lat));
    var ql = this.el / Math.pow(t, this.bl);
    var sl = 0.5 * (ql - 1 / ql);
    var tl = 0.5 * (ql + 1 / ql);
    var vl = Math.sin(this.bl * (dlon));
    var ul = (sl * Math.sin(this.gamma0) - vl * Math.cos(this.gamma0)) / tl;
    if (Math.abs(Math.abs(ul) - 1) <= EPSLN) {
      vs = Number.POSITIVE_INFINITY;
    }
    else {
      vs = 0.5 * this.al * Math.log((1 - ul) / (1 + ul)) / this.bl;
    }
    if (Math.abs(Math.cos(this.bl * (dlon))) <= EPSLN) {
      us = this.al * this.bl * (dlon);
    }
    else {
      us = this.al * Math.atan2(sl * Math.cos(this.gamma0) + vl * Math.sin(this.gamma0), Math.cos(this.bl * dlon)) / this.bl;
    }
  }

  if (this.no_rot) {
    p.x = this.x0 + us;
    p.y = this.y0 + vs;
  }
  else {

    us -= this.uc;
    p.x = this.x0 + vs * Math.cos(this.alpha) + us * Math.sin(this.alpha);
    p.y = this.y0 + us * Math.cos(this.alpha) - vs * Math.sin(this.alpha);
  }
  return p;
};

exports.inverse = function(p) {
  var us, vs;
  if (this.no_rot) {
    vs = p.y - this.y0;
    us = p.x - this.x0;
  }
  else {
    vs = (p.x - this.x0) * Math.cos(this.alpha) - (p.y - this.y0) * Math.sin(this.alpha);
    us = (p.y - this.y0) * Math.cos(this.alpha) + (p.x - this.x0) * Math.sin(this.alpha);
    us += this.uc;
  }
  var qp = Math.exp(-1 * this.bl * vs / this.al);
  var sp = 0.5 * (qp - 1 / qp);
  var tp = 0.5 * (qp + 1 / qp);
  var vp = Math.sin(this.bl * us / this.al);
  var up = (vp * Math.cos(this.gamma0) + sp * Math.sin(this.gamma0)) / tp;
  var ts = Math.pow(this.el / Math.sqrt((1 + up) / (1 - up)), 1 / this.bl);
  if (Math.abs(up - 1) < EPSLN) {
    p.x = this.long0;
    p.y = HALF_PI;
  }
  else if (Math.abs(up + 1) < EPSLN) {
    p.x = this.long0;
    p.y = -1 * HALF_PI;
  }
  else {
    p.y = phi2z(this.e, ts);
    p.x = adjust_lon(this.long0 - Math.atan2(sp * Math.cos(this.gamma0) - vp * Math.sin(this.gamma0), Math.cos(this.bl * us / this.al)) / this.bl);
  }
  return p;
};

exports.names = ["Hotine_Oblique_Mercator", "Hotine Oblique Mercator", "Hotine_Oblique_Mercator_Azimuth_Natural_Origin", "Hotine_Oblique_Mercator_Azimuth_Center", "omerc"];
},{"../common/adjust_lon":46,"../common/phi2z":57,"../common/tsfnz":64}],97:[function(_dereq_,module,exports){
var e0fn = _dereq_('../common/e0fn');
var e1fn = _dereq_('../common/e1fn');
var e2fn = _dereq_('../common/e2fn');
var e3fn = _dereq_('../common/e3fn');
var adjust_lon = _dereq_('../common/adjust_lon');
var adjust_lat = _dereq_('../common/adjust_lat');
var mlfn = _dereq_('../common/mlfn');
var EPSLN = 1.0e-10;
var gN = _dereq_('../common/gN');
var MAX_ITER = 20;
exports.init = function() {
  /* Place parameters in static storage for common use
      -------------------------------------------------*/
  this.temp = this.b / this.a;
  this.es = 1 - Math.pow(this.temp, 2); // devait etre dans tmerc.js mais n y est pas donc je commente sinon retour de valeurs nulles
  this.e = Math.sqrt(this.es);
  this.e0 = e0fn(this.es);
  this.e1 = e1fn(this.es);
  this.e2 = e2fn(this.es);
  this.e3 = e3fn(this.es);
  this.ml0 = this.a * mlfn(this.e0, this.e1, this.e2, this.e3, this.lat0); //si que des zeros le calcul ne se fait pas
};


/* Polyconic forward equations--mapping lat,long to x,y
    ---------------------------------------------------*/
exports.forward = function(p) {
  var lon = p.x;
  var lat = p.y;
  var x, y, el;
  var dlon = adjust_lon(lon - this.long0);
  el = dlon * Math.sin(lat);
  if (this.sphere) {
    if (Math.abs(lat) <= EPSLN) {
      x = this.a * dlon;
      y = -1 * this.a * this.lat0;
    }
    else {
      x = this.a * Math.sin(el) / Math.tan(lat);
      y = this.a * (adjust_lat(lat - this.lat0) + (1 - Math.cos(el)) / Math.tan(lat));
    }
  }
  else {
    if (Math.abs(lat) <= EPSLN) {
      x = this.a * dlon;
      y = -1 * this.ml0;
    }
    else {
      var nl = gN(this.a, this.e, Math.sin(lat)) / Math.tan(lat);
      x = nl * Math.sin(el);
      y = this.a * mlfn(this.e0, this.e1, this.e2, this.e3, lat) - this.ml0 + nl * (1 - Math.cos(el));
    }

  }
  p.x = x + this.x0;
  p.y = y + this.y0;
  return p;
};


/* Inverse equations
  -----------------*/
exports.inverse = function(p) {
  var lon, lat, x, y, i;
  var al, bl;
  var phi, dphi;
  x = p.x - this.x0;
  y = p.y - this.y0;

  if (this.sphere) {
    if (Math.abs(y + this.a * this.lat0) <= EPSLN) {
      lon = adjust_lon(x / this.a + this.long0);
      lat = 0;
    }
    else {
      al = this.lat0 + y / this.a;
      bl = x * x / this.a / this.a + al * al;
      phi = al;
      var tanphi;
      for (i = MAX_ITER; i; --i) {
        tanphi = Math.tan(phi);
        dphi = -1 * (al * (phi * tanphi + 1) - phi - 0.5 * (phi * phi + bl) * tanphi) / ((phi - al) / tanphi - 1);
        phi += dphi;
        if (Math.abs(dphi) <= EPSLN) {
          lat = phi;
          break;
        }
      }
      lon = adjust_lon(this.long0 + (Math.asin(x * Math.tan(phi) / this.a)) / Math.sin(lat));
    }
  }
  else {
    if (Math.abs(y + this.ml0) <= EPSLN) {
      lat = 0;
      lon = adjust_lon(this.long0 + x / this.a);
    }
    else {

      al = (this.ml0 + y) / this.a;
      bl = x * x / this.a / this.a + al * al;
      phi = al;
      var cl, mln, mlnp, ma;
      var con;
      for (i = MAX_ITER; i; --i) {
        con = this.e * Math.sin(phi);
        cl = Math.sqrt(1 - con * con) * Math.tan(phi);
        mln = this.a * mlfn(this.e0, this.e1, this.e2, this.e3, phi);
        mlnp = this.e0 - 2 * this.e1 * Math.cos(2 * phi) + 4 * this.e2 * Math.cos(4 * phi) - 6 * this.e3 * Math.cos(6 * phi);
        ma = mln / this.a;
        dphi = (al * (cl * ma + 1) - ma - 0.5 * cl * (ma * ma + bl)) / (this.es * Math.sin(2 * phi) * (ma * ma + bl - 2 * al * ma) / (4 * cl) + (al - ma) * (cl * mlnp - 2 / Math.sin(2 * phi)) - mlnp);
        phi -= dphi;
        if (Math.abs(dphi) <= EPSLN) {
          lat = phi;
          break;
        }
      }

      //lat=phi4z(this.e,this.e0,this.e1,this.e2,this.e3,al,bl,0,0);
      cl = Math.sqrt(1 - this.es * Math.pow(Math.sin(lat), 2)) * Math.tan(lat);
      lon = adjust_lon(this.long0 + Math.asin(x * cl / this.a) / Math.sin(lat));
    }
  }

  p.x = lon;
  p.y = lat;
  return p;
};
exports.names = ["Polyconic", "poly"];
},{"../common/adjust_lat":45,"../common/adjust_lon":46,"../common/e0fn":48,"../common/e1fn":49,"../common/e2fn":50,"../common/e3fn":51,"../common/gN":52,"../common/mlfn":55}],98:[function(_dereq_,module,exports){
var adjust_lon = _dereq_('../common/adjust_lon');
var adjust_lat = _dereq_('../common/adjust_lat');
var pj_enfn = _dereq_('../common/pj_enfn');
var MAX_ITER = 20;
var pj_mlfn = _dereq_('../common/pj_mlfn');
var pj_inv_mlfn = _dereq_('../common/pj_inv_mlfn');
var HALF_PI = Math.PI/2;
var EPSLN = 1.0e-10;
var asinz = _dereq_('../common/asinz');
exports.init = function() {
  /* Place parameters in static storage for common use
    -------------------------------------------------*/


  if (!this.sphere) {
    this.en = pj_enfn(this.es);
  }
  else {
    this.n = 1;
    this.m = 0;
    this.es = 0;
    this.C_y = Math.sqrt((this.m + 1) / this.n);
    this.C_x = this.C_y / (this.m + 1);
  }

};

/* Sinusoidal forward equations--mapping lat,long to x,y
  -----------------------------------------------------*/
exports.forward = function(p) {
  var x, y;
  var lon = p.x;
  var lat = p.y;
  /* Forward equations
    -----------------*/
  lon = adjust_lon(lon - this.long0);

  if (this.sphere) {
    if (!this.m) {
      lat = this.n !== 1 ? Math.asin(this.n * Math.sin(lat)) : lat;
    }
    else {
      var k = this.n * Math.sin(lat);
      for (var i = MAX_ITER; i; --i) {
        var V = (this.m * lat + Math.sin(lat) - k) / (this.m + Math.cos(lat));
        lat -= V;
        if (Math.abs(V) < EPSLN) {
          break;
        }
      }
    }
    x = this.a * this.C_x * lon * (this.m + Math.cos(lat));
    y = this.a * this.C_y * lat;

  }
  else {

    var s = Math.sin(lat);
    var c = Math.cos(lat);
    y = this.a * pj_mlfn(lat, s, c, this.en);
    x = this.a * lon * c / Math.sqrt(1 - this.es * s * s);
  }

  p.x = x;
  p.y = y;
  return p;
};

exports.inverse = function(p) {
  var lat, temp, lon, s;

  p.x -= this.x0;
  lon = p.x / this.a;
  p.y -= this.y0;
  lat = p.y / this.a;

  if (this.sphere) {
    lat /= this.C_y;
    lon = lon / (this.C_x * (this.m + Math.cos(lat)));
    if (this.m) {
      lat = asinz((this.m * lat + Math.sin(lat)) / this.n);
    }
    else if (this.n !== 1) {
      lat = asinz(Math.sin(lat) / this.n);
    }
    lon = adjust_lon(lon + this.long0);
    lat = adjust_lat(lat);
  }
  else {
    lat = pj_inv_mlfn(p.y / this.a, this.es, this.en);
    s = Math.abs(lat);
    if (s < HALF_PI) {
      s = Math.sin(lat);
      temp = this.long0 + p.x * Math.sqrt(1 - this.es * s * s) / (this.a * Math.cos(lat));
      //temp = this.long0 + p.x / (this.a * Math.cos(lat));
      lon = adjust_lon(temp);
    }
    else if ((s - EPSLN) < HALF_PI) {
      lon = this.long0;
    }
  }
  p.x = lon;
  p.y = lat;
  return p;
};
exports.names = ["Sinusoidal", "sinu"];
},{"../common/adjust_lat":45,"../common/adjust_lon":46,"../common/asinz":47,"../common/pj_enfn":58,"../common/pj_inv_mlfn":59,"../common/pj_mlfn":60}],99:[function(_dereq_,module,exports){
/*
  references:
    Formules et constantes pour le Calcul pour la
    projection cylindrique conforme à axe oblique et pour la transformation entre
    des systèmes de référence.
    http://www.swisstopo.admin.ch/internet/swisstopo/fr/home/topics/survey/sys/refsys/switzerland.parsysrelated1.31216.downloadList.77004.DownloadFile.tmp/swissprojectionfr.pdf
  */
exports.init = function() {
  var phy0 = this.lat0;
  this.lambda0 = this.long0;
  var sinPhy0 = Math.sin(phy0);
  var semiMajorAxis = this.a;
  var invF = this.rf;
  var flattening = 1 / invF;
  var e2 = 2 * flattening - Math.pow(flattening, 2);
  var e = this.e = Math.sqrt(e2);
  this.R = this.k0 * semiMajorAxis * Math.sqrt(1 - e2) / (1 - e2 * Math.pow(sinPhy0, 2));
  this.alpha = Math.sqrt(1 + e2 / (1 - e2) * Math.pow(Math.cos(phy0), 4));
  this.b0 = Math.asin(sinPhy0 / this.alpha);
  var k1 = Math.log(Math.tan(Math.PI / 4 + this.b0 / 2));
  var k2 = Math.log(Math.tan(Math.PI / 4 + phy0 / 2));
  var k3 = Math.log((1 + e * sinPhy0) / (1 - e * sinPhy0));
  this.K = k1 - this.alpha * k2 + this.alpha * e / 2 * k3;
};


exports.forward = function(p) {
  var Sa1 = Math.log(Math.tan(Math.PI / 4 - p.y / 2));
  var Sa2 = this.e / 2 * Math.log((1 + this.e * Math.sin(p.y)) / (1 - this.e * Math.sin(p.y)));
  var S = -this.alpha * (Sa1 + Sa2) + this.K;

  // spheric latitude
  var b = 2 * (Math.atan(Math.exp(S)) - Math.PI / 4);

  // spheric longitude
  var I = this.alpha * (p.x - this.lambda0);

  // psoeudo equatorial rotation
  var rotI = Math.atan(Math.sin(I) / (Math.sin(this.b0) * Math.tan(b) + Math.cos(this.b0) * Math.cos(I)));

  var rotB = Math.asin(Math.cos(this.b0) * Math.sin(b) - Math.sin(this.b0) * Math.cos(b) * Math.cos(I));

  p.y = this.R / 2 * Math.log((1 + Math.sin(rotB)) / (1 - Math.sin(rotB))) + this.y0;
  p.x = this.R * rotI + this.x0;
  return p;
};

exports.inverse = function(p) {
  var Y = p.x - this.x0;
  var X = p.y - this.y0;

  var rotI = Y / this.R;
  var rotB = 2 * (Math.atan(Math.exp(X / this.R)) - Math.PI / 4);

  var b = Math.asin(Math.cos(this.b0) * Math.sin(rotB) + Math.sin(this.b0) * Math.cos(rotB) * Math.cos(rotI));
  var I = Math.atan(Math.sin(rotI) / (Math.cos(this.b0) * Math.cos(rotI) - Math.sin(this.b0) * Math.tan(rotB)));

  var lambda = this.lambda0 + I / this.alpha;

  var S = 0;
  var phy = b;
  var prevPhy = -1000;
  var iteration = 0;
  while (Math.abs(phy - prevPhy) > 0.0000001) {
    if (++iteration > 20) {
      //...reportError("omercFwdInfinity");
      return;
    }
    //S = Math.log(Math.tan(Math.PI / 4 + phy / 2));
    S = 1 / this.alpha * (Math.log(Math.tan(Math.PI / 4 + b / 2)) - this.K) + this.e * Math.log(Math.tan(Math.PI / 4 + Math.asin(this.e * Math.sin(phy)) / 2));
    prevPhy = phy;
    phy = 2 * Math.atan(Math.exp(S)) - Math.PI / 2;
  }

  p.x = lambda;
  p.y = phy;
  return p;
};

exports.names = ["somerc"];

},{}],100:[function(_dereq_,module,exports){
var HALF_PI = Math.PI/2;
var EPSLN = 1.0e-10;
var sign = _dereq_('../common/sign');
var msfnz = _dereq_('../common/msfnz');
var tsfnz = _dereq_('../common/tsfnz');
var phi2z = _dereq_('../common/phi2z');
var adjust_lon = _dereq_('../common/adjust_lon');
exports.ssfn_ = function(phit, sinphi, eccen) {
  sinphi *= eccen;
  return (Math.tan(0.5 * (HALF_PI + phit)) * Math.pow((1 - sinphi) / (1 + sinphi), 0.5 * eccen));
};

exports.init = function() {
  this.coslat0 = Math.cos(this.lat0);
  this.sinlat0 = Math.sin(this.lat0);
  if (this.sphere) {
    if (this.k0 === 1 && !isNaN(this.lat_ts) && Math.abs(this.coslat0) <= EPSLN) {
      this.k0 = 0.5 * (1 + sign(this.lat0) * Math.sin(this.lat_ts));
    }
  }
  else {
    if (Math.abs(this.coslat0) <= EPSLN) {
      if (this.lat0 > 0) {
        //North pole
        //trace('stere:north pole');
        this.con = 1;
      }
      else {
        //South pole
        //trace('stere:south pole');
        this.con = -1;
      }
    }
    this.cons = Math.sqrt(Math.pow(1 + this.e, 1 + this.e) * Math.pow(1 - this.e, 1 - this.e));
    if (this.k0 === 1 && !isNaN(this.lat_ts) && Math.abs(this.coslat0) <= EPSLN) {
      this.k0 = 0.5 * this.cons * msfnz(this.e, Math.sin(this.lat_ts), Math.cos(this.lat_ts)) / tsfnz(this.e, this.con * this.lat_ts, this.con * Math.sin(this.lat_ts));
    }
    this.ms1 = msfnz(this.e, this.sinlat0, this.coslat0);
    this.X0 = 2 * Math.atan(this.ssfn_(this.lat0, this.sinlat0, this.e)) - HALF_PI;
    this.cosX0 = Math.cos(this.X0);
    this.sinX0 = Math.sin(this.X0);
  }
};

// Stereographic forward equations--mapping lat,long to x,y
exports.forward = function(p) {
  var lon = p.x;
  var lat = p.y;
  var sinlat = Math.sin(lat);
  var coslat = Math.cos(lat);
  var A, X, sinX, cosX, ts, rh;
  var dlon = adjust_lon(lon - this.long0);

  if (Math.abs(Math.abs(lon - this.long0) - Math.PI) <= EPSLN && Math.abs(lat + this.lat0) <= EPSLN) {
    //case of the origine point
    //trace('stere:this is the origin point');
    p.x = NaN;
    p.y = NaN;
    return p;
  }
  if (this.sphere) {
    //trace('stere:sphere case');
    A = 2 * this.k0 / (1 + this.sinlat0 * sinlat + this.coslat0 * coslat * Math.cos(dlon));
    p.x = this.a * A * coslat * Math.sin(dlon) + this.x0;
    p.y = this.a * A * (this.coslat0 * sinlat - this.sinlat0 * coslat * Math.cos(dlon)) + this.y0;
    return p;
  }
  else {
    X = 2 * Math.atan(this.ssfn_(lat, sinlat, this.e)) - HALF_PI;
    cosX = Math.cos(X);
    sinX = Math.sin(X);
    if (Math.abs(this.coslat0) <= EPSLN) {
      ts = tsfnz(this.e, lat * this.con, this.con * sinlat);
      rh = 2 * this.a * this.k0 * ts / this.cons;
      p.x = this.x0 + rh * Math.sin(lon - this.long0);
      p.y = this.y0 - this.con * rh * Math.cos(lon - this.long0);
      //trace(p.toString());
      return p;
    }
    else if (Math.abs(this.sinlat0) < EPSLN) {
      //Eq
      //trace('stere:equateur');
      A = 2 * this.a * this.k0 / (1 + cosX * Math.cos(dlon));
      p.y = A * sinX;
    }
    else {
      //other case
      //trace('stere:normal case');
      A = 2 * this.a * this.k0 * this.ms1 / (this.cosX0 * (1 + this.sinX0 * sinX + this.cosX0 * cosX * Math.cos(dlon)));
      p.y = A * (this.cosX0 * sinX - this.sinX0 * cosX * Math.cos(dlon)) + this.y0;
    }
    p.x = A * cosX * Math.sin(dlon) + this.x0;
  }
  //trace(p.toString());
  return p;
};


//* Stereographic inverse equations--mapping x,y to lat/long
exports.inverse = function(p) {
  p.x -= this.x0;
  p.y -= this.y0;
  var lon, lat, ts, ce, Chi;
  var rh = Math.sqrt(p.x * p.x + p.y * p.y);
  if (this.sphere) {
    var c = 2 * Math.atan(rh / (0.5 * this.a * this.k0));
    lon = this.long0;
    lat = this.lat0;
    if (rh <= EPSLN) {
      p.x = lon;
      p.y = lat;
      return p;
    }
    lat = Math.asin(Math.cos(c) * this.sinlat0 + p.y * Math.sin(c) * this.coslat0 / rh);
    if (Math.abs(this.coslat0) < EPSLN) {
      if (this.lat0 > 0) {
        lon = adjust_lon(this.long0 + Math.atan2(p.x, - 1 * p.y));
      }
      else {
        lon = adjust_lon(this.long0 + Math.atan2(p.x, p.y));
      }
    }
    else {
      lon = adjust_lon(this.long0 + Math.atan2(p.x * Math.sin(c), rh * this.coslat0 * Math.cos(c) - p.y * this.sinlat0 * Math.sin(c)));
    }
    p.x = lon;
    p.y = lat;
    return p;
  }
  else {
    if (Math.abs(this.coslat0) <= EPSLN) {
      if (rh <= EPSLN) {
        lat = this.lat0;
        lon = this.long0;
        p.x = lon;
        p.y = lat;
        //trace(p.toString());
        return p;
      }
      p.x *= this.con;
      p.y *= this.con;
      ts = rh * this.cons / (2 * this.a * this.k0);
      lat = this.con * phi2z(this.e, ts);
      lon = this.con * adjust_lon(this.con * this.long0 + Math.atan2(p.x, - 1 * p.y));
    }
    else {
      ce = 2 * Math.atan(rh * this.cosX0 / (2 * this.a * this.k0 * this.ms1));
      lon = this.long0;
      if (rh <= EPSLN) {
        Chi = this.X0;
      }
      else {
        Chi = Math.asin(Math.cos(ce) * this.sinX0 + p.y * Math.sin(ce) * this.cosX0 / rh);
        lon = adjust_lon(this.long0 + Math.atan2(p.x * Math.sin(ce), rh * this.cosX0 * Math.cos(ce) - p.y * this.sinX0 * Math.sin(ce)));
      }
      lat = -1 * phi2z(this.e, Math.tan(0.5 * (HALF_PI + Chi)));
    }
  }
  p.x = lon;
  p.y = lat;

  //trace(p.toString());
  return p;

};
exports.names = ["stere"];
},{"../common/adjust_lon":46,"../common/msfnz":56,"../common/phi2z":57,"../common/sign":62,"../common/tsfnz":64}],101:[function(_dereq_,module,exports){
var gauss = _dereq_('./gauss');
var adjust_lon = _dereq_('../common/adjust_lon');
exports.init = function() {
  gauss.init.apply(this);
  if (!this.rc) {
    return;
  }
  this.sinc0 = Math.sin(this.phic0);
  this.cosc0 = Math.cos(this.phic0);
  this.R2 = 2 * this.rc;
  if (!this.title) {
    this.title = "Oblique Stereographic Alternative";
  }
};

exports.forward = function(p) {
  var sinc, cosc, cosl, k;
  p.x = adjust_lon(p.x - this.long0);
  gauss.forward.apply(this, [p]);
  sinc = Math.sin(p.y);
  cosc = Math.cos(p.y);
  cosl = Math.cos(p.x);
  k = this.k0 * this.R2 / (1 + this.sinc0 * sinc + this.cosc0 * cosc * cosl);
  p.x = k * cosc * Math.sin(p.x);
  p.y = k * (this.cosc0 * sinc - this.sinc0 * cosc * cosl);
  p.x = this.a * p.x + this.x0;
  p.y = this.a * p.y + this.y0;
  return p;
};

exports.inverse = function(p) {
  var sinc, cosc, lon, lat, rho;
  p.x = (p.x - this.x0) / this.a;
  p.y = (p.y - this.y0) / this.a;

  p.x /= this.k0;
  p.y /= this.k0;
  if ((rho = Math.sqrt(p.x * p.x + p.y * p.y))) {
    var c = 2 * Math.atan2(rho, this.R2);
    sinc = Math.sin(c);
    cosc = Math.cos(c);
    lat = Math.asin(cosc * this.sinc0 + p.y * sinc * this.cosc0 / rho);
    lon = Math.atan2(p.x * sinc, rho * this.cosc0 * cosc - p.y * this.sinc0 * sinc);
  }
  else {
    lat = this.phic0;
    lon = 0;
  }

  p.x = lon;
  p.y = lat;
  gauss.inverse.apply(this, [p]);
  p.x = adjust_lon(p.x + this.long0);
  return p;
};

exports.names = ["Stereographic_North_Pole", "Oblique_Stereographic", "Polar_Stereographic", "sterea","Oblique Stereographic Alternative"];

},{"../common/adjust_lon":46,"./gauss":86}],102:[function(_dereq_,module,exports){
var e0fn = _dereq_('../common/e0fn');
var e1fn = _dereq_('../common/e1fn');
var e2fn = _dereq_('../common/e2fn');
var e3fn = _dereq_('../common/e3fn');
var mlfn = _dereq_('../common/mlfn');
var adjust_lon = _dereq_('../common/adjust_lon');
var HALF_PI = Math.PI/2;
var EPSLN = 1.0e-10;
var sign = _dereq_('../common/sign');
var asinz = _dereq_('../common/asinz');

exports.init = function() {
  this.e0 = e0fn(this.es);
  this.e1 = e1fn(this.es);
  this.e2 = e2fn(this.es);
  this.e3 = e3fn(this.es);
  this.ml0 = this.a * mlfn(this.e0, this.e1, this.e2, this.e3, this.lat0);
};

/**
    Transverse Mercator Forward  - long/lat to x/y
    long/lat in radians
  */
exports.forward = function(p) {
  var lon = p.x;
  var lat = p.y;

  var delta_lon = adjust_lon(lon - this.long0);
  var con;
  var x, y;
  var sin_phi = Math.sin(lat);
  var cos_phi = Math.cos(lat);

  if (this.sphere) {
    var b = cos_phi * Math.sin(delta_lon);
    if ((Math.abs(Math.abs(b) - 1)) < 0.0000000001) {
      return (93);
    }
    else {
      x = 0.5 * this.a * this.k0 * Math.log((1 + b) / (1 - b));
      con = Math.acos(cos_phi * Math.cos(delta_lon) / Math.sqrt(1 - b * b));
      if (lat < 0) {
        con = -con;
      }
      y = this.a * this.k0 * (con - this.lat0);
    }
  }
  else {
    var al = cos_phi * delta_lon;
    var als = Math.pow(al, 2);
    var c = this.ep2 * Math.pow(cos_phi, 2);
    var tq = Math.tan(lat);
    var t = Math.pow(tq, 2);
    con = 1 - this.es * Math.pow(sin_phi, 2);
    var n = this.a / Math.sqrt(con);
    var ml = this.a * mlfn(this.e0, this.e1, this.e2, this.e3, lat);

    x = this.k0 * n * al * (1 + als / 6 * (1 - t + c + als / 20 * (5 - 18 * t + Math.pow(t, 2) + 72 * c - 58 * this.ep2))) + this.x0;
    y = this.k0 * (ml - this.ml0 + n * tq * (als * (0.5 + als / 24 * (5 - t + 9 * c + 4 * Math.pow(c, 2) + als / 30 * (61 - 58 * t + Math.pow(t, 2) + 600 * c - 330 * this.ep2))))) + this.y0;

  }
  p.x = x;
  p.y = y;
  return p;
};

/**
    Transverse Mercator Inverse  -  x/y to long/lat
  */
exports.inverse = function(p) {
  var con, phi;
  var delta_phi;
  var i;
  var max_iter = 6;
  var lat, lon;

  if (this.sphere) {
    var f = Math.exp(p.x / (this.a * this.k0));
    var g = 0.5 * (f - 1 / f);
    var temp = this.lat0 + p.y / (this.a * this.k0);
    var h = Math.cos(temp);
    con = Math.sqrt((1 - h * h) / (1 + g * g));
    lat = asinz(con);
    if (temp < 0) {
      lat = -lat;
    }
    if ((g === 0) && (h === 0)) {
      lon = this.long0;
    }
    else {
      lon = adjust_lon(Math.atan2(g, h) + this.long0);
    }
  }
  else { // ellipsoidal form
    var x = p.x - this.x0;
    var y = p.y - this.y0;

    con = (this.ml0 + y / this.k0) / this.a;
    phi = con;
    for (i = 0; true; i++) {
      delta_phi = ((con + this.e1 * Math.sin(2 * phi) - this.e2 * Math.sin(4 * phi) + this.e3 * Math.sin(6 * phi)) / this.e0) - phi;
      phi += delta_phi;
      if (Math.abs(delta_phi) <= EPSLN) {
        break;
      }
      if (i >= max_iter) {
        return (95);
      }
    } // for()
    if (Math.abs(phi) < HALF_PI) {
      var sin_phi = Math.sin(phi);
      var cos_phi = Math.cos(phi);
      var tan_phi = Math.tan(phi);
      var c = this.ep2 * Math.pow(cos_phi, 2);
      var cs = Math.pow(c, 2);
      var t = Math.pow(tan_phi, 2);
      var ts = Math.pow(t, 2);
      con = 1 - this.es * Math.pow(sin_phi, 2);
      var n = this.a / Math.sqrt(con);
      var r = n * (1 - this.es) / con;
      var d = x / (n * this.k0);
      var ds = Math.pow(d, 2);
      lat = phi - (n * tan_phi * ds / r) * (0.5 - ds / 24 * (5 + 3 * t + 10 * c - 4 * cs - 9 * this.ep2 - ds / 30 * (61 + 90 * t + 298 * c + 45 * ts - 252 * this.ep2 - 3 * cs)));
      lon = adjust_lon(this.long0 + (d * (1 - ds / 6 * (1 + 2 * t + c - ds / 20 * (5 - 2 * c + 28 * t - 3 * cs + 8 * this.ep2 + 24 * ts))) / cos_phi));
    }
    else {
      lat = HALF_PI * sign(y);
      lon = this.long0;
    }
  }
  p.x = lon;
  p.y = lat;
  return p;
};
exports.names = ["Transverse_Mercator", "Transverse Mercator", "tmerc"];

},{"../common/adjust_lon":46,"../common/asinz":47,"../common/e0fn":48,"../common/e1fn":49,"../common/e2fn":50,"../common/e3fn":51,"../common/mlfn":55,"../common/sign":62}],103:[function(_dereq_,module,exports){
var D2R = 0.01745329251994329577;
var tmerc = _dereq_('./tmerc');
exports.dependsOn = 'tmerc';
exports.init = function() {
  if (!this.zone) {
    return;
  }
  this.lat0 = 0;
  this.long0 = ((6 * Math.abs(this.zone)) - 183) * D2R;
  this.x0 = 500000;
  this.y0 = this.utmSouth ? 10000000 : 0;
  this.k0 = 0.9996;

  tmerc.init.apply(this);
  this.forward = tmerc.forward;
  this.inverse = tmerc.inverse;
};
exports.names = ["Universal Transverse Mercator System", "utm"];

},{"./tmerc":102}],104:[function(_dereq_,module,exports){
var adjust_lon = _dereq_('../common/adjust_lon');
var HALF_PI = Math.PI/2;
var EPSLN = 1.0e-10;
var asinz = _dereq_('../common/asinz');
/* Initialize the Van Der Grinten projection
  ----------------------------------------*/
exports.init = function() {
  //this.R = 6370997; //Radius of earth
  this.R = this.a;
};

exports.forward = function(p) {

  var lon = p.x;
  var lat = p.y;

  /* Forward equations
    -----------------*/
  var dlon = adjust_lon(lon - this.long0);
  var x, y;

  if (Math.abs(lat) <= EPSLN) {
    x = this.x0 + this.R * dlon;
    y = this.y0;
  }
  var theta = asinz(2 * Math.abs(lat / Math.PI));
  if ((Math.abs(dlon) <= EPSLN) || (Math.abs(Math.abs(lat) - HALF_PI) <= EPSLN)) {
    x = this.x0;
    if (lat >= 0) {
      y = this.y0 + Math.PI * this.R * Math.tan(0.5 * theta);
    }
    else {
      y = this.y0 + Math.PI * this.R * -Math.tan(0.5 * theta);
    }
    //  return(OK);
  }
  var al = 0.5 * Math.abs((Math.PI / dlon) - (dlon / Math.PI));
  var asq = al * al;
  var sinth = Math.sin(theta);
  var costh = Math.cos(theta);

  var g = costh / (sinth + costh - 1);
  var gsq = g * g;
  var m = g * (2 / sinth - 1);
  var msq = m * m;
  var con = Math.PI * this.R * (al * (g - msq) + Math.sqrt(asq * (g - msq) * (g - msq) - (msq + asq) * (gsq - msq))) / (msq + asq);
  if (dlon < 0) {
    con = -con;
  }
  x = this.x0 + con;
  //con = Math.abs(con / (Math.PI * this.R));
  var q = asq + g;
  con = Math.PI * this.R * (m * q - al * Math.sqrt((msq + asq) * (asq + 1) - q * q)) / (msq + asq);
  if (lat >= 0) {
    //y = this.y0 + Math.PI * this.R * Math.sqrt(1 - con * con - 2 * al * con);
    y = this.y0 + con;
  }
  else {
    //y = this.y0 - Math.PI * this.R * Math.sqrt(1 - con * con - 2 * al * con);
    y = this.y0 - con;
  }
  p.x = x;
  p.y = y;
  return p;
};

/* Van Der Grinten inverse equations--mapping x,y to lat/long
  ---------------------------------------------------------*/
exports.inverse = function(p) {
  var lon, lat;
  var xx, yy, xys, c1, c2, c3;
  var a1;
  var m1;
  var con;
  var th1;
  var d;

  /* inverse equations
    -----------------*/
  p.x -= this.x0;
  p.y -= this.y0;
  con = Math.PI * this.R;
  xx = p.x / con;
  yy = p.y / con;
  xys = xx * xx + yy * yy;
  c1 = -Math.abs(yy) * (1 + xys);
  c2 = c1 - 2 * yy * yy + xx * xx;
  c3 = -2 * c1 + 1 + 2 * yy * yy + xys * xys;
  d = yy * yy / c3 + (2 * c2 * c2 * c2 / c3 / c3 / c3 - 9 * c1 * c2 / c3 / c3) / 27;
  a1 = (c1 - c2 * c2 / 3 / c3) / c3;
  m1 = 2 * Math.sqrt(-a1 / 3);
  con = ((3 * d) / a1) / m1;
  if (Math.abs(con) > 1) {
    if (con >= 0) {
      con = 1;
    }
    else {
      con = -1;
    }
  }
  th1 = Math.acos(con) / 3;
  if (p.y >= 0) {
    lat = (-m1 * Math.cos(th1 + Math.PI / 3) - c2 / 3 / c3) * Math.PI;
  }
  else {
    lat = -(-m1 * Math.cos(th1 + Math.PI / 3) - c2 / 3 / c3) * Math.PI;
  }

  if (Math.abs(xx) < EPSLN) {
    lon = this.long0;
  }
  else {
    lon = adjust_lon(this.long0 + Math.PI * (xys - 1 + Math.sqrt(1 + 2 * (xx * xx - yy * yy) + xys * xys)) / 2 / xx);
  }

  p.x = lon;
  p.y = lat;
  return p;
};
exports.names = ["Van_der_Grinten_I", "VanDerGrinten", "vandg"];
},{"../common/adjust_lon":46,"../common/asinz":47}],105:[function(_dereq_,module,exports){
var D2R = 0.01745329251994329577;
var R2D = 57.29577951308232088;
var PJD_3PARAM = 1;
var PJD_7PARAM = 2;
var datum_transform = _dereq_('./datum_transform');
var adjust_axis = _dereq_('./adjust_axis');
var proj = _dereq_('./Proj');
module.exports = function transform(source, dest, point) {
  var wgs84;

  function checkNotWGS(source, dest) {
    return ((source.datum.datum_type === PJD_3PARAM || source.datum.datum_type === PJD_7PARAM) && dest.datumCode !== "WGS84");
  }

  // Workaround for datum shifts towgs84, if either source or destination projection is not wgs84
  if (source.datum && dest.datum && (checkNotWGS(source, dest) || checkNotWGS(dest, source))) {
    wgs84 = new proj('WGS84');
    transform(source, wgs84, point);
    source = wgs84;
  }
  // DGR, 2010/11/12
  if (source.axis !== "enu") {
    adjust_axis(source, false, point);
  }
  // Transform source points to long/lat, if they aren't already.
  if (source.projName === "longlat") {
    point.x *= D2R; // convert degrees to radians
    point.y *= D2R;
  }
  else {
    if (source.to_meter) {
      point.x *= source.to_meter;
      point.y *= source.to_meter;
    }
    source.inverse(point); // Convert Cartesian to longlat
  }
  // Adjust for the prime meridian if necessary
  if (source.from_greenwich) {
    point.x += source.from_greenwich;
  }

  // Convert datums if needed, and if possible.
  point = datum_transform(source.datum, dest.datum, point);

  // Adjust for the prime meridian if necessary
  if (dest.from_greenwich) {
    point.x -= dest.from_greenwich;
  }

  if (dest.projName === "longlat") {
    // convert radians to decimal degrees
    point.x *= R2D;
    point.y *= R2D;
  }
  else { // else project
    dest.forward(point);
    if (dest.to_meter) {
      point.x /= dest.to_meter;
      point.y /= dest.to_meter;
    }
  }

  // DGR, 2010/11/12
  if (dest.axis !== "enu") {
    adjust_axis(dest, true, point);
  }

  return point;
};
},{"./Proj":43,"./adjust_axis":44,"./datum_transform":70}],106:[function(_dereq_,module,exports){
module.exports = '2.1.0';
},{}],107:[function(_dereq_,module,exports){
var D2R = 0.01745329251994329577;
var extend = _dereq_('./extend');

function mapit(obj, key, v) {
  obj[key] = v.map(function(aa) {
    var o = {};
    sExpr(aa, o);
    return o;
  }).reduce(function(a, b) {
    return extend(a, b);
  }, {});
}

function sExpr(v, obj) {
  var key;
  if (!Array.isArray(v)) {
    obj[v] = true;
    return;
  }
  else {
    key = v.shift();
    if (key === 'PARAMETER') {
      key = v.shift();
    }
    if (v.length === 1) {
      if (Array.isArray(v[0])) {
        obj[key] = {};
        sExpr(v[0], obj[key]);
      }
      else {
        obj[key] = v[0];
      }
    }
    else if (!v.length) {
      obj[key] = true;
    }
    else if (key === 'TOWGS84') {
      obj[key] = v;
    }
    else {
      obj[key] = {};
      if (['UNIT', 'PRIMEM', 'VERT_DATUM'].indexOf(key) > -1) {
        obj[key] = {
          name: v[0].toLowerCase(),
          convert: v[1]
        };
        if (v.length === 3) {
          obj[key].auth = v[2];
        }
      }
      else if (key === 'SPHEROID') {
        obj[key] = {
          name: v[0],
          a: v[1],
          rf: v[2]
        };
        if (v.length === 4) {
          obj[key].auth = v[3];
        }
      }
      else if (['GEOGCS', 'GEOCCS', 'DATUM', 'VERT_CS', 'COMPD_CS', 'LOCAL_CS', 'FITTED_CS', 'LOCAL_DATUM'].indexOf(key) > -1) {
        v[0] = ['name', v[0]];
        mapit(obj, key, v);
      }
      else if (v.every(function(aa) {
        return Array.isArray(aa);
      })) {
        mapit(obj, key, v);
      }
      else {
        sExpr(v, obj[key]);
      }
    }
  }
}

function rename(obj, params) {
  var outName = params[0];
  var inName = params[1];
  if (!(outName in obj) && (inName in obj)) {
    obj[outName] = obj[inName];
    if (params.length === 3) {
      obj[outName] = params[2](obj[outName]);
    }
  }
}

function d2r(input) {
  return input * D2R;
}

function cleanWKT(wkt) {
  if (wkt.type === 'GEOGCS') {
    wkt.projName = 'longlat';
  }
  else if (wkt.type === 'LOCAL_CS') {
    wkt.projName = 'identity';
    wkt.local = true;
  }
  else {
    if (typeof wkt.PROJECTION === "object") {
      wkt.projName = Object.keys(wkt.PROJECTION)[0];
    }
    else {
      wkt.projName = wkt.PROJECTION;
    }
  }
  if (wkt.UNIT) {
    wkt.units = wkt.UNIT.name.toLowerCase();
    if (wkt.units === 'metre') {
      wkt.units = 'meter';
    }
    if (wkt.UNIT.convert) {
      wkt.to_meter = parseFloat(wkt.UNIT.convert, 10);
    }
  }

  if (wkt.GEOGCS) {
    //if(wkt.GEOGCS.PRIMEM&&wkt.GEOGCS.PRIMEM.convert){
    //  wkt.from_greenwich=wkt.GEOGCS.PRIMEM.convert*D2R;
    //}
    if (wkt.GEOGCS.DATUM) {
      wkt.datumCode = wkt.GEOGCS.DATUM.name.toLowerCase();
    }
    else {
      wkt.datumCode = wkt.GEOGCS.name.toLowerCase();
    }
    if (wkt.datumCode.slice(0, 2) === 'd_') {
      wkt.datumCode = wkt.datumCode.slice(2);
    }
    if (wkt.datumCode === 'new_zealand_geodetic_datum_1949' || wkt.datumCode === 'new_zealand_1949') {
      wkt.datumCode = 'nzgd49';
    }
    if (wkt.datumCode === "wgs_1984") {
      if (wkt.PROJECTION === 'Mercator_Auxiliary_Sphere') {
        wkt.sphere = true;
      }
      wkt.datumCode = 'wgs84';
    }
    if (wkt.datumCode.slice(-6) === '_ferro') {
      wkt.datumCode = wkt.datumCode.slice(0, - 6);
    }
    if (wkt.datumCode.slice(-8) === '_jakarta') {
      wkt.datumCode = wkt.datumCode.slice(0, - 8);
    }
    if (wkt.GEOGCS.DATUM && wkt.GEOGCS.DATUM.SPHEROID) {
      wkt.ellps = wkt.GEOGCS.DATUM.SPHEROID.name.replace('_19', '').replace(/[Cc]larke\_18/, 'clrk');
      if (wkt.ellps.toLowerCase().slice(0, 13) === "international") {
        wkt.ellps = 'intl';
      }

      wkt.a = wkt.GEOGCS.DATUM.SPHEROID.a;
      wkt.rf = parseFloat(wkt.GEOGCS.DATUM.SPHEROID.rf, 10);
    }
  }
  if (wkt.b && !isFinite(wkt.b)) {
    wkt.b = wkt.a;
  }

  function toMeter(input) {
    var ratio = wkt.to_meter || 1;
    return parseFloat(input, 10) * ratio;
  }
  var renamer = function(a) {
    return rename(wkt, a);
  };
  var list = [
    ['standard_parallel_1', 'Standard_Parallel_1'],
    ['standard_parallel_2', 'Standard_Parallel_2'],
    ['false_easting', 'False_Easting'],
    ['false_northing', 'False_Northing'],
    ['central_meridian', 'Central_Meridian'],
    ['latitude_of_origin', 'Latitude_Of_Origin'],
    ['scale_factor', 'Scale_Factor'],
    ['k0', 'scale_factor'],
    ['latitude_of_center', 'Latitude_of_center'],
    ['lat0', 'latitude_of_center', d2r],
    ['longitude_of_center', 'Longitude_Of_Center'],
    ['longc', 'longitude_of_center', d2r],
    ['x0', 'false_easting', toMeter],
    ['y0', 'false_northing', toMeter],
    ['long0', 'central_meridian', d2r],
    ['lat0', 'latitude_of_origin', d2r],
    ['lat0', 'standard_parallel_1', d2r],
    ['lat1', 'standard_parallel_1', d2r],
    ['lat2', 'standard_parallel_2', d2r],
    ['alpha', 'azimuth', d2r],
    ['srsCode', 'name']
  ];
  list.forEach(renamer);
  if (!wkt.long0 && wkt.longc && (wkt.PROJECTION === 'Albers_Conic_Equal_Area' || wkt.PROJECTION === "Lambert_Azimuthal_Equal_Area")) {
    wkt.long0 = wkt.longc;
  }
}
module.exports = function(wkt, self) {
  var lisp = JSON.parse(("," + wkt).replace(/\s*\,\s*([A-Z_0-9]+?)(\[)/g, ',["$1",').slice(1).replace(/\s*\,\s*([A-Z_0-9]+?)\]/g, ',"$1"]'));
  var type = lisp.shift();
  var name = lisp.shift();
  lisp.unshift(['name', name]);
  lisp.unshift(['type', type]);
  lisp.unshift('output');
  var obj = {};
  sExpr(lisp, obj);
  cleanWKT(obj.output);
  return extend(self, obj.output);
};

},{"./extend":73}],108:[function(_dereq_,module,exports){



/**
 * UTM zones are grouped, and assigned to one of a group of 6
 * sets.
 *
 * {int} @private
 */
var NUM_100K_SETS = 6;

/**
 * The column letters (for easting) of the lower left value, per
 * set.
 *
 * {string} @private
 */
var SET_ORIGIN_COLUMN_LETTERS = 'AJSAJS';

/**
 * The row letters (for northing) of the lower left value, per
 * set.
 *
 * {string} @private
 */
var SET_ORIGIN_ROW_LETTERS = 'AFAFAF';

var A = 65; // A
var I = 73; // I
var O = 79; // O
var V = 86; // V
var Z = 90; // Z

/**
 * Conversion of lat/lon to MGRS.
 *
 * @param {object} ll Object literal with lat and lon properties on a
 *     WGS84 ellipsoid.
 * @param {int} accuracy Accuracy in digits (5 for 1 m, 4 for 10 m, 3 for
 *      100 m, 4 for 1000 m or 5 for 10000 m). Optional, default is 5.
 * @return {string} the MGRS string for the given location and accuracy.
 */
exports.forward = function(ll, accuracy) {
  accuracy = accuracy || 5; // default accuracy 1m
  return encode(LLtoUTM({
    lat: ll[1],
    lon: ll[0]
  }), accuracy);
};

/**
 * Conversion of MGRS to lat/lon.
 *
 * @param {string} mgrs MGRS string.
 * @return {array} An array with left (longitude), bottom (latitude), right
 *     (longitude) and top (latitude) values in WGS84, representing the
 *     bounding box for the provided MGRS reference.
 */
exports.inverse = function(mgrs) {
  var bbox = UTMtoLL(decode(mgrs.toUpperCase()));
  return [bbox.left, bbox.bottom, bbox.right, bbox.top];
};

exports.toPoint = function(mgrsStr) {
  var llbbox = exports.inverse(mgrsStr);
  return [(llbbox[2] + llbbox[0]) / 2, (llbbox[3] + llbbox[1]) / 2];
};
/**
 * Conversion from degrees to radians.
 *
 * @private
 * @param {number} deg the angle in degrees.
 * @return {number} the angle in radians.
 */
function degToRad(deg) {
  return (deg * (Math.PI / 180.0));
}

/**
 * Conversion from radians to degrees.
 *
 * @private
 * @param {number} rad the angle in radians.
 * @return {number} the angle in degrees.
 */
function radToDeg(rad) {
  return (180.0 * (rad / Math.PI));
}

/**
 * Converts a set of Longitude and Latitude co-ordinates to UTM
 * using the WGS84 ellipsoid.
 *
 * @private
 * @param {object} ll Object literal with lat and lon properties
 *     representing the WGS84 coordinate to be converted.
 * @return {object} Object literal containing the UTM value with easting,
 *     northing, zoneNumber and zoneLetter properties, and an optional
 *     accuracy property in digits. Returns null if the conversion failed.
 */
function LLtoUTM(ll) {
  var Lat = ll.lat;
  var Long = ll.lon;
  var a = 6378137.0; //ellip.radius;
  var eccSquared = 0.00669438; //ellip.eccsq;
  var k0 = 0.9996;
  var LongOrigin;
  var eccPrimeSquared;
  var N, T, C, A, M;
  var LatRad = degToRad(Lat);
  var LongRad = degToRad(Long);
  var LongOriginRad;
  var ZoneNumber;
  // (int)
  ZoneNumber = Math.floor((Long + 180) / 6) + 1;

  //Make sure the longitude 180.00 is in Zone 60
  if (Long === 180) {
    ZoneNumber = 60;
  }

  // Special zone for Norway
  if (Lat >= 56.0 && Lat < 64.0 && Long >= 3.0 && Long < 12.0) {
    ZoneNumber = 32;
  }

  // Special zones for Svalbard
  if (Lat >= 72.0 && Lat < 84.0) {
    if (Long >= 0.0 && Long < 9.0) {
      ZoneNumber = 31;
    }
    else if (Long >= 9.0 && Long < 21.0) {
      ZoneNumber = 33;
    }
    else if (Long >= 21.0 && Long < 33.0) {
      ZoneNumber = 35;
    }
    else if (Long >= 33.0 && Long < 42.0) {
      ZoneNumber = 37;
    }
  }

  LongOrigin = (ZoneNumber - 1) * 6 - 180 + 3; //+3 puts origin
  // in middle of
  // zone
  LongOriginRad = degToRad(LongOrigin);

  eccPrimeSquared = (eccSquared) / (1 - eccSquared);

  N = a / Math.sqrt(1 - eccSquared * Math.sin(LatRad) * Math.sin(LatRad));
  T = Math.tan(LatRad) * Math.tan(LatRad);
  C = eccPrimeSquared * Math.cos(LatRad) * Math.cos(LatRad);
  A = Math.cos(LatRad) * (LongRad - LongOriginRad);

  M = a * ((1 - eccSquared / 4 - 3 * eccSquared * eccSquared / 64 - 5 * eccSquared * eccSquared * eccSquared / 256) * LatRad - (3 * eccSquared / 8 + 3 * eccSquared * eccSquared / 32 + 45 * eccSquared * eccSquared * eccSquared / 1024) * Math.sin(2 * LatRad) + (15 * eccSquared * eccSquared / 256 + 45 * eccSquared * eccSquared * eccSquared / 1024) * Math.sin(4 * LatRad) - (35 * eccSquared * eccSquared * eccSquared / 3072) * Math.sin(6 * LatRad));

  var UTMEasting = (k0 * N * (A + (1 - T + C) * A * A * A / 6.0 + (5 - 18 * T + T * T + 72 * C - 58 * eccPrimeSquared) * A * A * A * A * A / 120.0) + 500000.0);

  var UTMNorthing = (k0 * (M + N * Math.tan(LatRad) * (A * A / 2 + (5 - T + 9 * C + 4 * C * C) * A * A * A * A / 24.0 + (61 - 58 * T + T * T + 600 * C - 330 * eccPrimeSquared) * A * A * A * A * A * A / 720.0)));
  if (Lat < 0.0) {
    UTMNorthing += 10000000.0; //10000000 meter offset for
    // southern hemisphere
  }

  return {
    northing: Math.round(UTMNorthing),
    easting: Math.round(UTMEasting),
    zoneNumber: ZoneNumber,
    zoneLetter: getLetterDesignator(Lat)
  };
}

/**
 * Converts UTM coords to lat/long, using the WGS84 ellipsoid. This is a convenience
 * class where the Zone can be specified as a single string eg."60N" which
 * is then broken down into the ZoneNumber and ZoneLetter.
 *
 * @private
 * @param {object} utm An object literal with northing, easting, zoneNumber
 *     and zoneLetter properties. If an optional accuracy property is
 *     provided (in meters), a bounding box will be returned instead of
 *     latitude and longitude.
 * @return {object} An object literal containing either lat and lon values
 *     (if no accuracy was provided), or top, right, bottom and left values
 *     for the bounding box calculated according to the provided accuracy.
 *     Returns null if the conversion failed.
 */
function UTMtoLL(utm) {

  var UTMNorthing = utm.northing;
  var UTMEasting = utm.easting;
  var zoneLetter = utm.zoneLetter;
  var zoneNumber = utm.zoneNumber;
  // check the ZoneNummber is valid
  if (zoneNumber < 0 || zoneNumber > 60) {
    return null;
  }

  var k0 = 0.9996;
  var a = 6378137.0; //ellip.radius;
  var eccSquared = 0.00669438; //ellip.eccsq;
  var eccPrimeSquared;
  var e1 = (1 - Math.sqrt(1 - eccSquared)) / (1 + Math.sqrt(1 - eccSquared));
  var N1, T1, C1, R1, D, M;
  var LongOrigin;
  var mu, phi1Rad;

  // remove 500,000 meter offset for longitude
  var x = UTMEasting - 500000.0;
  var y = UTMNorthing;

  // We must know somehow if we are in the Northern or Southern
  // hemisphere, this is the only time we use the letter So even
  // if the Zone letter isn't exactly correct it should indicate
  // the hemisphere correctly
  if (zoneLetter < 'N') {
    y -= 10000000.0; // remove 10,000,000 meter offset used
    // for southern hemisphere
  }

  // There are 60 zones with zone 1 being at West -180 to -174
  LongOrigin = (zoneNumber - 1) * 6 - 180 + 3; // +3 puts origin
  // in middle of
  // zone

  eccPrimeSquared = (eccSquared) / (1 - eccSquared);

  M = y / k0;
  mu = M / (a * (1 - eccSquared / 4 - 3 * eccSquared * eccSquared / 64 - 5 * eccSquared * eccSquared * eccSquared / 256));

  phi1Rad = mu + (3 * e1 / 2 - 27 * e1 * e1 * e1 / 32) * Math.sin(2 * mu) + (21 * e1 * e1 / 16 - 55 * e1 * e1 * e1 * e1 / 32) * Math.sin(4 * mu) + (151 * e1 * e1 * e1 / 96) * Math.sin(6 * mu);
  // double phi1 = ProjMath.radToDeg(phi1Rad);

  N1 = a / Math.sqrt(1 - eccSquared * Math.sin(phi1Rad) * Math.sin(phi1Rad));
  T1 = Math.tan(phi1Rad) * Math.tan(phi1Rad);
  C1 = eccPrimeSquared * Math.cos(phi1Rad) * Math.cos(phi1Rad);
  R1 = a * (1 - eccSquared) / Math.pow(1 - eccSquared * Math.sin(phi1Rad) * Math.sin(phi1Rad), 1.5);
  D = x / (N1 * k0);

  var lat = phi1Rad - (N1 * Math.tan(phi1Rad) / R1) * (D * D / 2 - (5 + 3 * T1 + 10 * C1 - 4 * C1 * C1 - 9 * eccPrimeSquared) * D * D * D * D / 24 + (61 + 90 * T1 + 298 * C1 + 45 * T1 * T1 - 252 * eccPrimeSquared - 3 * C1 * C1) * D * D * D * D * D * D / 720);
  lat = radToDeg(lat);

  var lon = (D - (1 + 2 * T1 + C1) * D * D * D / 6 + (5 - 2 * C1 + 28 * T1 - 3 * C1 * C1 + 8 * eccPrimeSquared + 24 * T1 * T1) * D * D * D * D * D / 120) / Math.cos(phi1Rad);
  lon = LongOrigin + radToDeg(lon);

  var result;
  if (utm.accuracy) {
    var topRight = UTMtoLL({
      northing: utm.northing + utm.accuracy,
      easting: utm.easting + utm.accuracy,
      zoneLetter: utm.zoneLetter,
      zoneNumber: utm.zoneNumber
    });
    result = {
      top: topRight.lat,
      right: topRight.lon,
      bottom: lat,
      left: lon
    };
  }
  else {
    result = {
      lat: lat,
      lon: lon
    };
  }
  return result;
}

/**
 * Calculates the MGRS letter designator for the given latitude.
 *
 * @private
 * @param {number} lat The latitude in WGS84 to get the letter designator
 *     for.
 * @return {char} The letter designator.
 */
function getLetterDesignator(lat) {
  //This is here as an error flag to show that the Latitude is
  //outside MGRS limits
  var LetterDesignator = 'Z';

  if ((84 >= lat) && (lat >= 72)) {
    LetterDesignator = 'X';
  }
  else if ((72 > lat) && (lat >= 64)) {
    LetterDesignator = 'W';
  }
  else if ((64 > lat) && (lat >= 56)) {
    LetterDesignator = 'V';
  }
  else if ((56 > lat) && (lat >= 48)) {
    LetterDesignator = 'U';
  }
  else if ((48 > lat) && (lat >= 40)) {
    LetterDesignator = 'T';
  }
  else if ((40 > lat) && (lat >= 32)) {
    LetterDesignator = 'S';
  }
  else if ((32 > lat) && (lat >= 24)) {
    LetterDesignator = 'R';
  }
  else if ((24 > lat) && (lat >= 16)) {
    LetterDesignator = 'Q';
  }
  else if ((16 > lat) && (lat >= 8)) {
    LetterDesignator = 'P';
  }
  else if ((8 > lat) && (lat >= 0)) {
    LetterDesignator = 'N';
  }
  else if ((0 > lat) && (lat >= -8)) {
    LetterDesignator = 'M';
  }
  else if ((-8 > lat) && (lat >= -16)) {
    LetterDesignator = 'L';
  }
  else if ((-16 > lat) && (lat >= -24)) {
    LetterDesignator = 'K';
  }
  else if ((-24 > lat) && (lat >= -32)) {
    LetterDesignator = 'J';
  }
  else if ((-32 > lat) && (lat >= -40)) {
    LetterDesignator = 'H';
  }
  else if ((-40 > lat) && (lat >= -48)) {
    LetterDesignator = 'G';
  }
  else if ((-48 > lat) && (lat >= -56)) {
    LetterDesignator = 'F';
  }
  else if ((-56 > lat) && (lat >= -64)) {
    LetterDesignator = 'E';
  }
  else if ((-64 > lat) && (lat >= -72)) {
    LetterDesignator = 'D';
  }
  else if ((-72 > lat) && (lat >= -80)) {
    LetterDesignator = 'C';
  }
  return LetterDesignator;
}

/**
 * Encodes a UTM location as MGRS string.
 *
 * @private
 * @param {object} utm An object literal with easting, northing,
 *     zoneLetter, zoneNumber
 * @param {number} accuracy Accuracy in digits (1-5).
 * @return {string} MGRS string for the given UTM location.
 */
function encode(utm, accuracy) {
  var seasting = "" + utm.easting,
    snorthing = "" + utm.northing;

  return utm.zoneNumber + utm.zoneLetter + get100kID(utm.easting, utm.northing, utm.zoneNumber) + seasting.substr(seasting.length - 5, accuracy) + snorthing.substr(snorthing.length - 5, accuracy);
}

/**
 * Get the two letter 100k designator for a given UTM easting,
 * northing and zone number value.
 *
 * @private
 * @param {number} easting
 * @param {number} northing
 * @param {number} zoneNumber
 * @return the two letter 100k designator for the given UTM location.
 */
function get100kID(easting, northing, zoneNumber) {
  var setParm = get100kSetForZone(zoneNumber);
  var setColumn = Math.floor(easting / 100000);
  var setRow = Math.floor(northing / 100000) % 20;
  return getLetter100kID(setColumn, setRow, setParm);
}

/**
 * Given a UTM zone number, figure out the MGRS 100K set it is in.
 *
 * @private
 * @param {number} i An UTM zone number.
 * @return {number} the 100k set the UTM zone is in.
 */
function get100kSetForZone(i) {
  var setParm = i % NUM_100K_SETS;
  if (setParm === 0) {
    setParm = NUM_100K_SETS;
  }

  return setParm;
}

/**
 * Get the two-letter MGRS 100k designator given information
 * translated from the UTM northing, easting and zone number.
 *
 * @private
 * @param {number} column the column index as it relates to the MGRS
 *        100k set spreadsheet, created from the UTM easting.
 *        Values are 1-8.
 * @param {number} row the row index as it relates to the MGRS 100k set
 *        spreadsheet, created from the UTM northing value. Values
 *        are from 0-19.
 * @param {number} parm the set block, as it relates to the MGRS 100k set
 *        spreadsheet, created from the UTM zone. Values are from
 *        1-60.
 * @return two letter MGRS 100k code.
 */
function getLetter100kID(column, row, parm) {
  // colOrigin and rowOrigin are the letters at the origin of the set
  var index = parm - 1;
  var colOrigin = SET_ORIGIN_COLUMN_LETTERS.charCodeAt(index);
  var rowOrigin = SET_ORIGIN_ROW_LETTERS.charCodeAt(index);

  // colInt and rowInt are the letters to build to return
  var colInt = colOrigin + column - 1;
  var rowInt = rowOrigin + row;
  var rollover = false;

  if (colInt > Z) {
    colInt = colInt - Z + A - 1;
    rollover = true;
  }

  if (colInt === I || (colOrigin < I && colInt > I) || ((colInt > I || colOrigin < I) && rollover)) {
    colInt++;
  }

  if (colInt === O || (colOrigin < O && colInt > O) || ((colInt > O || colOrigin < O) && rollover)) {
    colInt++;

    if (colInt === I) {
      colInt++;
    }
  }

  if (colInt > Z) {
    colInt = colInt - Z + A - 1;
  }

  if (rowInt > V) {
    rowInt = rowInt - V + A - 1;
    rollover = true;
  }
  else {
    rollover = false;
  }

  if (((rowInt === I) || ((rowOrigin < I) && (rowInt > I))) || (((rowInt > I) || (rowOrigin < I)) && rollover)) {
    rowInt++;
  }

  if (((rowInt === O) || ((rowOrigin < O) && (rowInt > O))) || (((rowInt > O) || (rowOrigin < O)) && rollover)) {
    rowInt++;

    if (rowInt === I) {
      rowInt++;
    }
  }

  if (rowInt > V) {
    rowInt = rowInt - V + A - 1;
  }

  var twoLetter = String.fromCharCode(colInt) + String.fromCharCode(rowInt);
  return twoLetter;
}

/**
 * Decode the UTM parameters from a MGRS string.
 *
 * @private
 * @param {string} mgrsString an UPPERCASE coordinate string is expected.
 * @return {object} An object literal with easting, northing, zoneLetter,
 *     zoneNumber and accuracy (in meters) properties.
 */
function decode(mgrsString) {

  if (mgrsString && mgrsString.length === 0) {
    throw ("MGRSPoint coverting from nothing");
  }

  var length = mgrsString.length;

  var hunK = null;
  var sb = "";
  var testChar;
  var i = 0;

  // get Zone number
  while (!(/[A-Z]/).test(testChar = mgrsString.charAt(i))) {
    if (i >= 2) {
      throw ("MGRSPoint bad conversion from: " + mgrsString);
    }
    sb += testChar;
    i++;
  }

  var zoneNumber = parseInt(sb, 10);

  if (i === 0 || i + 3 > length) {
    // A good MGRS string has to be 4-5 digits long,
    // ##AAA/#AAA at least.
    throw ("MGRSPoint bad conversion from: " + mgrsString);
  }

  var zoneLetter = mgrsString.charAt(i++);

  // Should we check the zone letter here? Why not.
  if (zoneLetter <= 'A' || zoneLetter === 'B' || zoneLetter === 'Y' || zoneLetter >= 'Z' || zoneLetter === 'I' || zoneLetter === 'O') {
    throw ("MGRSPoint zone letter " + zoneLetter + " not handled: " + mgrsString);
  }

  hunK = mgrsString.substring(i, i += 2);

  var set = get100kSetForZone(zoneNumber);

  var east100k = getEastingFromChar(hunK.charAt(0), set);
  var north100k = getNorthingFromChar(hunK.charAt(1), set);

  // We have a bug where the northing may be 2000000 too low.
  // How
  // do we know when to roll over?

  while (north100k < getMinNorthing(zoneLetter)) {
    north100k += 2000000;
  }

  // calculate the char index for easting/northing separator
  var remainder = length - i;

  if (remainder % 2 !== 0) {
    throw ("MGRSPoint has to have an even number \nof digits after the zone letter and two 100km letters - front \nhalf for easting meters, second half for \nnorthing meters" + mgrsString);
  }

  var sep = remainder / 2;

  var sepEasting = 0.0;
  var sepNorthing = 0.0;
  var accuracyBonus, sepEastingString, sepNorthingString, easting, northing;
  if (sep > 0) {
    accuracyBonus = 100000.0 / Math.pow(10, sep);
    sepEastingString = mgrsString.substring(i, i + sep);
    sepEasting = parseFloat(sepEastingString) * accuracyBonus;
    sepNorthingString = mgrsString.substring(i + sep);
    sepNorthing = parseFloat(sepNorthingString) * accuracyBonus;
  }

  easting = sepEasting + east100k;
  northing = sepNorthing + north100k;

  return {
    easting: easting,
    northing: northing,
    zoneLetter: zoneLetter,
    zoneNumber: zoneNumber,
    accuracy: accuracyBonus
  };
}

/**
 * Given the first letter from a two-letter MGRS 100k zone, and given the
 * MGRS table set for the zone number, figure out the easting value that
 * should be added to the other, secondary easting value.
 *
 * @private
 * @param {char} e The first letter from a two-letter MGRS 100´k zone.
 * @param {number} set The MGRS table set for the zone number.
 * @return {number} The easting value for the given letter and set.
 */
function getEastingFromChar(e, set) {
  // colOrigin is the letter at the origin of the set for the
  // column
  var curCol = SET_ORIGIN_COLUMN_LETTERS.charCodeAt(set - 1);
  var eastingValue = 100000.0;
  var rewindMarker = false;

  while (curCol !== e.charCodeAt(0)) {
    curCol++;
    if (curCol === I) {
      curCol++;
    }
    if (curCol === O) {
      curCol++;
    }
    if (curCol > Z) {
      if (rewindMarker) {
        throw ("Bad character: " + e);
      }
      curCol = A;
      rewindMarker = true;
    }
    eastingValue += 100000.0;
  }

  return eastingValue;
}

/**
 * Given the second letter from a two-letter MGRS 100k zone, and given the
 * MGRS table set for the zone number, figure out the northing value that
 * should be added to the other, secondary northing value. You have to
 * remember that Northings are determined from the equator, and the vertical
 * cycle of letters mean a 2000000 additional northing meters. This happens
 * approx. every 18 degrees of latitude. This method does *NOT* count any
 * additional northings. You have to figure out how many 2000000 meters need
 * to be added for the zone letter of the MGRS coordinate.
 *
 * @private
 * @param {char} n Second letter of the MGRS 100k zone
 * @param {number} set The MGRS table set number, which is dependent on the
 *     UTM zone number.
 * @return {number} The northing value for the given letter and set.
 */
function getNorthingFromChar(n, set) {

  if (n > 'V') {
    throw ("MGRSPoint given invalid Northing " + n);
  }

  // rowOrigin is the letter at the origin of the set for the
  // column
  var curRow = SET_ORIGIN_ROW_LETTERS.charCodeAt(set - 1);
  var northingValue = 0.0;
  var rewindMarker = false;

  while (curRow !== n.charCodeAt(0)) {
    curRow++;
    if (curRow === I) {
      curRow++;
    }
    if (curRow === O) {
      curRow++;
    }
    // fixing a bug making whole application hang in this loop
    // when 'n' is a wrong character
    if (curRow > V) {
      if (rewindMarker) { // making sure that this loop ends
        throw ("Bad character: " + n);
      }
      curRow = A;
      rewindMarker = true;
    }
    northingValue += 100000.0;
  }

  return northingValue;
}

/**
 * The function getMinNorthing returns the minimum northing value of a MGRS
 * zone.
 *
 * Ported from Geotrans' c Lattitude_Band_Value structure table.
 *
 * @private
 * @param {char} zoneLetter The MGRS zone to get the min northing for.
 * @return {number}
 */
function getMinNorthing(zoneLetter) {
  var northing;
  switch (zoneLetter) {
  case 'C':
    northing = 1100000.0;
    break;
  case 'D':
    northing = 2000000.0;
    break;
  case 'E':
    northing = 2800000.0;
    break;
  case 'F':
    northing = 3700000.0;
    break;
  case 'G':
    northing = 4600000.0;
    break;
  case 'H':
    northing = 5500000.0;
    break;
  case 'J':
    northing = 6400000.0;
    break;
  case 'K':
    northing = 7300000.0;
    break;
  case 'L':
    northing = 8200000.0;
    break;
  case 'M':
    northing = 9100000.0;
    break;
  case 'N':
    northing = 0.0;
    break;
  case 'P':
    northing = 800000.0;
    break;
  case 'Q':
    northing = 1700000.0;
    break;
  case 'R':
    northing = 2600000.0;
    break;
  case 'S':
    northing = 3500000.0;
    break;
  case 'T':
    northing = 4400000.0;
    break;
  case 'U':
    northing = 5300000.0;
    break;
  case 'V':
    northing = 6200000.0;
    break;
  case 'W':
    northing = 7000000.0;
    break;
  case 'X':
    northing = 7900000.0;
    break;
  default:
    northing = -1.0;
  }
  if (northing >= 0.0) {
    return northing;
  }
  else {
    throw ("Invalid zone letter: " + zoneLetter);
  }

}

},{}]},{},[2])
(2)
});