forked from Ortho4XP/Ortho4XP
/
imagery.py
2694 lines (2598 loc) · 108 KB
/
imagery.py
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import io
import os
import queue
import random
import subprocess
import sys
import time
import typing
from math import ceil, log, pi, tan
from pathlib import Path
import numpy
import requests
from PIL import Image, ImageEnhance, ImageFilter, ImageOps
from . import filenames
from . import geo as geo
from . import mask as mask
from . import mesh as mesh
from . import osm as osm
from . import ui as ui
from . import vector as vect
from .parallel import parallel_execute
try:
import O4_Custom_URL as URL
has_URL = True
except ImportError:
try:
# module loaded from a subdirectory of Extent for extent creation
sys.path.append(os.path.join("../../Providers"))
import O4_Custom_URL as URL
has_URL = True
except ImportError:
print(
"ERROR: Providers/O4_Custom_URL.py contains invalid code. The"
" corresponding providers won't probably work."
)
has_URL = False
Image.MAX_IMAGE_PIXELS = 1000000000 # Not a decompression bomb attack!
http_timeout = 10
check_tms_response = False
max_connect_retries = 10
max_baddata_retries = 10
user_agent_generic = (
"Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0"
)
request_headers_generic = {
"User-Agent": user_agent_generic,
"Accept": "*/*",
"Connection": "keep-alive",
"Accept-Encoding": "gzip, deflate",
}
if "dar" in sys.platform:
dds_convert_cmd = os.path.join(
ui.Ortho4XP_dir, "Utils", "nvcompress", "nvcompress.app"
)
gdal_transl_cmd = "gdal_translate"
gdalwarp_cmd = "gdalwarp"
devnull_rdir = " >/dev/null 2>&1"
elif "win" in sys.platform:
dds_convert_cmd = os.path.join(
ui.Ortho4XP_dir, "Utils", "nvcompress", "nvcompress.exe"
)
gdal_transl_cmd = "gdal_translate.exe"
gdalwarp_cmd = "gdalwarp.exe"
devnull_rdir = " > nul 2>&1"
else:
dds_convert_cmd = "nvcompress"
gdal_transl_cmd = "gdal_translate"
gdalwarp_cmd = "gdalwarp"
devnull_rdir = " >/dev/null 2>&1 "
###############################################################################################################################
#
# PART I : Initialization of providers, extents, and color filters
#
###############################################################################################################################
providers_dict = {}
combined_providers_dict = {}
local_combined_providers_dict = {}
extents_dict = {"global": {"dir": None, "code": "global"}}
color_filters_dict = {"none": []}
def initialize_extents_dict():
for dir_name in os.listdir(filenames.Extent_dir):
if not os.path.isdir(os.path.join(filenames.Extent_dir, dir_name)):
continue
for file_name in os.listdir(
os.path.join(filenames.Extent_dir, dir_name)
):
if "." not in file_name or file_name.split(".")[-1] != "ext":
continue
extent_code = file_name.split(".")[0]
extent = {}
f = open(
os.path.join(filenames.Extent_dir, dir_name, file_name),
"r",
encoding="utf-8",
)
valid_extent = True
for line in f.readlines():
line = line[:-1]
if "#" in line:
line = line.split("#")[0]
if "=" not in line:
continue
try:
key = line.split("=")[0]
value = line[len(key) + 1 :]
extent[key] = value
except:
print("Error for extent", extent_code, "in line", line)
continue
# structuring data
if key == "epsg_code":
try:
geo.epsg[value] = geo.pyproj.Proj(init="epsg:" + value)
except:
# HACK for Slovenia
if int(value) == 102060:
geo.epsg[value] = geo.pyproj.Proj(init="epsg:3912")
else:
print("Error in epsg code for extent", extent_code)
valid_extent = False
elif key == "mask_bounds":
try:
extent[key] = [float(x) for x in value.split(",")]
except:
print(
"Error in reading mask bounds for extent",
extent_code,
)
valid_extent = False
elif key == "buffer_width":
try:
extent[key] = float(value)
except:
print(
"Error in reading mask buffer width for extent",
extent_code,
)
valid_extent = False
elif key == "mask_width":
try:
extent[key] = float(value)
except:
print(
"Error in reading mask width for extent",
extent_code,
)
valid_extent = False
if valid_extent:
extent["code"] = extent_code
extent["dir"] = dir_name
extents_dict[extent_code] = extent
else:
print("Error in reading extent definition file for", file_name)
pass
f.close()
def initialize_color_filters_dict():
for file_name in os.listdir(filenames.Filter_dir):
if "." not in file_name or file_name.split(".")[-1] != "flt":
continue
color_code = file_name.split(".")[0]
with open(os.path.join(filenames.Filter_dir, file_name), "r") as f:
valid_color_filters = True
color_filters = []
for line in f.readlines():
line = line[:-1]
if "#" in line:
line = line.split("#")[0]
if not line:
continue
try:
items = line.split()
color_filters.append(
[items[0]] + [float(x) for x in items[1:]]
)
except:
valid_color_filters = False
if valid_color_filters:
color_filters_dict[color_code] = color_filters
else:
print(
"Could not understand color filter ",
color_code,
", skipping it.",
)
def parse_lay_file(f: typing.TextIO) -> dict[str, str]:
def clean_line(line: str) -> str:
line = line.strip("\n")
if "#" in line and line[0] != "#":
line = line.split("#")[0]
return line
file_name = Path(f.name).stem
key_val_pairs = {"code": file_name}
for line in f.readlines():
cleaned_line = clean_line(line)
if len(split := cleaned_line.split("=")) < 3 and "=" in cleaned_line:
key, value = split
key_val_pairs[key] = value
return key_val_pairs
# Look for lay files
def initialize_providers_dict() -> None:
for dir_name in Path(filenames.Provider_dir).iterdir():
if not dir_name.is_dir():
continue
for file_name in dir_name.glob("*.lay"):
provider_code = file_name.stem
provider = {}
with open(file_name, "r") as f:
valid_provider = True
for line in f.readlines():
line = line.strip()
if "#" in line:
if line[0] == "#":
continue
else:
line = line.split("#")[0]
if "=" not in line:
continue
items = line.split("=")
key = items[0].strip()
value = "=".join(items[1:]).strip()
provider[key] = value
# structuring data
if key == "request_type" and value not in [
"wms",
"wmts",
"tms",
"local_tms",
]:
ui.vprint(
0,
"Unknown request_type field for provider",
provider_code,
":",
value,
)
valid_provider = False
if key == "grid_type" and value not in ["webmercator"]:
ui.vprint(
0,
"Unknown grid_type field for provider",
provider_code,
":",
value,
)
valid_provider = False
elif key == "fake_headers":
try:
provider[key] = eval(value)
if type(provider[key]) is not dict:
print(
"Definition of fake headers for provider",
provider_code,
"not valid.",
)
valid_provider = False
except:
print(
"Definition of fake headers for provider",
provider_code,
"not valid.",
)
valid_provider = False
elif key == "epsg_code":
try:
geo.epsg[value] = geo.pyproj.Proj(
init="epsg:" + value
)
except geo.pyproj.exceptions.CRSError:
# HACK for Slovenia
if int(value) == 102060:
geo.epsg[value] = geo.pyproj.Proj(
init="epsg:3912"
)
else:
ui.vprint(
0,
"Error in epsg code for provider",
provider_code,
)
valid_provider = False
elif key == "in_GUI":
try:
provider["in_GUI"] = eval(value)
if not isinstance(provider["in_GUI"], bool):
ui.vprint(
0,
"Error in GUI status for provider",
provider_code,
)
provider["in_GUI"] = True
except:
ui.vprint(
0,
"Error in GUI status for provider",
provider_code,
)
provider["in_GUI"] = True
elif key == "image_type":
pass
elif key == "url_prefix":
pass
elif key == "url_template":
pass
elif key == "layers":
pass
elif key in ["wms_size", "tile_size"]:
try:
provider[key] = int(value)
if provider[key] < 100 or provider[key] > 10000:
print(
"Wm(t)s size for provider ",
provider_code,
"seems off limits, provider skipped.",
)
except:
print(
"Error in reading wms size for provider",
provider_code,
)
valid_provider = False
elif key in ["wms_version", "wmts_version"]:
if len(value.split(".")) < 2:
print(
"Error in reading wms version for provider",
provider_code,
)
valid_provider = False
elif key == "top_left_corner":
try:
provider[key] = [
numpy.array([float(x) for x in value.split()])
for _ in range(40)
]
except:
print(
"Error in reading top left corner for"
" provider",
provider_code,
)
valid_provider = False
elif key == "scaledenominator":
try:
provider[key] = numpy.array(
[float(x) for x in value.split()]
)
except:
print(
"Error in reading scaledenominator for"
" provider",
provider_code,
)
valid_provider = False
elif key == "tilematrixset":
pass
elif key == "resolutions":
try:
provider[key] = numpy.array(
[float(x) for x in value.split()]
)
except:
print(
"Error in reading resolutions for provider",
provider_code,
)
valid_provider = False
elif key == "max_threads":
try:
provider[key] = int(value)
except:
pass
elif key == "url_prefix":
pass
elif key == "url_template":
pass
elif key == "layers":
pass
elif key in ["wms_size", "tile_size"]:
try:
provider[key] = int(value)
if provider[key] < 100 or provider[key] > 10000:
print(
"Wm(t)s size for provider ",
provider_code,
"seems off limits, provider skipped.",
)
except ValueError:
print(
"Error in reading wms size for provider",
provider_code,
)
valid_provider = False
elif key in ["wms_version", "wmts_version"]:
if len(value.split(".")) < 2:
print(
"Error in reading wms version for provider",
provider_code,
)
valid_provider = False
elif key == "top_left_corner":
try:
provider[key] = [
numpy.array([float(x) for x in value.split()])
for _ in range(40)
]
except ValueError:
print(
"Error in reading top left corner for"
" provider",
provider_code,
)
valid_provider = False
elif key == "scaledenominator":
try:
provider[key] = numpy.array(
[float(x) for x in value.split()]
)
except ValueError:
print(
"Error in reading scaledenominator for"
" provider",
provider_code,
)
valid_provider = False
elif key == "tilematrixset":
pass
elif key == "resolutions":
try:
provider[key] = numpy.array(
[float(x) for x in value.split()]
)
except ValueError:
print(
"Error in reading resolutions for provider",
provider_code,
)
valid_provider = False
elif key == "max_threads":
try:
provider[key] = int(value)
except ValueError:
pass
elif key == "extent":
pass
elif key == "color_filters":
if value not in color_filters_dict:
print(
"Error in reading color_filter for provider",
provider_code,
". Assuming none.",
)
provider[key] = "none"
elif key == "imagery_dir":
if value not in ("grouped", "normal", "code"):
print(
"Error in reading imagery_dir for provider",
provider_code,
". Assuming grouped.",
)
provider[key] = "grouped"
if (
"request_type" in provider
and provider["request_type"] == "wmts"
):
try:
tilematrixsets = read_tilematrixsets(
os.path.join(
dir_name,
"capabilities_" + provider_code + ".xml",
)
)
except:
try:
tilematrixsets = read_tilematrixsets(
os.path.join(
dir_name,
"capabilities.xml",
)
)
except:
print(
"Error in reading capabilities for"
" provider",
provider_code,
)
valid_provider = False
if valid_provider:
try:
tms_found = False
for tilematrixset in tilematrixsets:
if (
tilematrixset["identifier"]
== provider["tilematrixset"]
):
provider[
"tilematrixset"
] = tilematrixset
tms_found = True
break
if tms_found:
provider["scaledenominator"] = numpy.array(
[
float(x["ScaleDenominator"])
for x in provider["tilematrixset"][
"tilematrices"
]
]
)
provider["top_left_corner"] = [
[
float(x)
for x in y["TopLeftCorner"].split()
]
for y in provider["tilematrixset"][
"tilematrices"
]
]
else:
print("no tilematrixset found")
valid_provider = False
except:
print(
"Error in reading capabilities for"
" provider",
provider_code,
)
valid_provider = False
if valid_provider:
provider["directory"] = dir_name.name
if "in_GUI" not in provider:
provider["in_GUI"] = True
if "image_type" not in provider:
provider["image_type"] = "jpeg"
if "extent" not in provider:
provider["extent"] = "global"
if "color_filters" not in provider:
provider["color_filters"] = "none"
if "imagery_dir" not in provider:
provider["imagery_dir"] = "grouped"
if "scaledenominator" in provider:
units_per_pix = (
0.00028
if provider["epsg_code"] not in ["4326"]
else 2.5152827955e-09
)
provider["resolutions"] = (
units_per_pix * provider["scaledenominator"]
)
if (
"grid_type" in provider
and provider["grid_type"] == "webmercator"
):
provider["request_type"] = "tms"
provider["tile_size"] = 256
provider["epsg_code"] = "3857"
provider["top_left_corner"] = [
[-20037508.34, 20037508.34] for i in range(21)
]
provider["resolutions"] = numpy.array(
[
20037508.34 / (128 * 2**i)
for i in range(21)
]
)
if "request_type" not in provider:
ui.vprint(
0,
"Error in reading provider definition"
" file for",
file_name,
)
else:
providers_dict[provider_code] = provider
else:
ui.vprint(
0,
"Error in reading provider definition file for",
file_name,
)
def initialize_combined_providers_dict():
for file_name in os.listdir(filenames.Provider_dir):
if "." not in file_name or file_name.split(".")[-1] != "comb":
continue
provider_code = file_name.split(".")[0]
try:
comb_list = []
f = open(os.path.join(filenames.Provider_dir, file_name), "r")
for line in f.readlines():
if "#" in line:
line = line.split("#")[0]
if not line[:-1]:
continue
layer_code, extent_code, color_code, priority = line[
:-1
].split()
if layer_code not in providers_dict:
print(
"Unknown provider in combined provider",
provider_code,
":",
layer_code,
)
continue
if extent_code == "default":
extent_code = providers_dict[layer_code]["extent"]
if (extent_code not in extents_dict) or (
extent_code[0] == "!"
and extent_code[1:] not in extents_dict
):
print(
"Unknown extent in combined provider",
provider_code,
":",
extent_code,
)
continue
if color_code == "default":
try:
color_code = providers_dict[layer_code][
"color_filters"
]
except:
print(
"Unknown color filter in combined provider",
provider_code,
":",
color_code,
)
continue
if color_code not in color_filters_dict:
try:
if color_code[0] == "L":
b = 1
elif color_code[0] == "D":
b = -1
brightness = b * float(color_code[1:3])
contrast = float(color_code[4:6])
color_filters_dict[color_code] = [
["brightness-contrast", brightness, contrast]
]
if len(color_code) > 6:
saturation = float(color_code[7:9])
color_filters_dict[color_code].append(
["saturation", saturation]
)
except:
print(
"Unknown color filter in combined provider",
provider_code,
":",
color_code,
)
continue
if priority not in ["low", "medium", "high", "mask"]:
print(
"Unknown priority in combined provider",
provider_code,
":",
priority,
)
continue
comb_list.append(
{
"layer_code": layer_code,
"extent_code": extent_code,
"color_code": color_code,
"priority": priority,
}
)
if comb_list:
combined_providers_dict[provider_code] = comb_list
else:
print(
"Combined provider",
provider_code,
"did not contained valid providers, skipped.",
)
except:
print(
"Error reading definition of combined provider", provider_code
)
def initialize_local_combined_providers_dict(tile):
# This function will select from list of providers the only
# ones whose coverage intersect the given tile.
global local_combined_providers_dict, extents_dict
ui.vprint(1, "-> Initializing providers with potential data on this tile.")
local_combined_providers_dict = {}
test_set = set([tile.default_website])
for region in tile.zone_list[:]:
test_set.add(region[2])
for provider_code in test_set.intersection(combined_providers_dict):
comb_list = []
for rlayer in combined_providers_dict[provider_code]:
if has_data(
(tile.lon, tile.lat + 1, tile.lon + 1, tile.lat),
rlayer["extent_code"],
is_mask_layer=(tile.lat, tile.lon, tile.mask_zl)
if rlayer["priority"] == "mask"
else False,
):
comb_list.append(rlayer)
if comb_list:
if len(comb_list) != 1:
new_comb_list = []
for rlayer in comb_list:
name = rlayer["extent_code"]
if name[0] == "!":
name = name[1:]
if extents_dict[name]["dir"] == "LowRes":
new_rlayer = dict(rlayer)
new_extent_code = (
name
+ "_"
+ filenames.short_latlon(tile.lat, tile.lon)
)
new_rlayer["extent_code"] = new_extent_code
new_comb_list.append(new_rlayer)
extents_dict[new_extent_code] = {
"dir": "Auto",
"code": new_extent_code,
"mask_bounds": [
tile.lon - 0.1,
tile.lat - 0.1,
tile.lon + 1.1,
tile.lat + 1.1,
],
}
if os.path.exists(
os.path.join(
filenames.Extent_dir,
"Auto",
new_extent_code + ".png",
)
):
ui.vprint(1, " Recycling layer mask for ", name)
continue
ui.vprint(1, " Building layer mask for ", name)
# need to build the extent mask over that tile
if not os.path.isdir(
os.path.join(filenames.Extent_dir, "Auto")
):
os.makedirs(
os.path.join(filenames.Extent_dir, "Auto")
)
cached_file_name = os.path.join(
filenames.Extent_dir, "LowRes", name + ".osm.bz2"
)
pixel_size = 10
try:
buffer_width = (
extents_dict[name]["buffer_width"] / pixel_size
)
except:
buffer_width = 0.0
try:
mask_width = int(
extents_dict[name]["mask_width"] / pixel_size
)
except:
mask_width = int(100 / pixel_size)
pixel_size = pixel_size / 111139
vector_map = vect.Vector_Map()
osm_layer = osm.OSM_layer()
if not os.path.exists(cached_file_name):
ui.vprint(
0,
"Error, missing OSM data for extent code",
name,
", exiting.",
)
del extents_dict[new_extent_code]
return 0
osm_layer.update_dicosm(cached_file_name, None)
multipolygon_area = osm.OSM_to_MultiPolygon(
osm_layer, 0, 0
)
del osm_layer
if not multipolygon_area.area:
ui.vprint(
0,
"Error, erroneous OSM data for extent code",
name,
", skipped.",
)
continue
vector_map.encode_MultiPolygon(
multipolygon_area,
vect.dummy_alt,
"WATER",
check=False,
cut=False,
)
vector_map.write_node_file(name + ".node")
vector_map.write_poly_file(name + ".poly")
mesh.triangulate(name, ".")
(
(xmin, ymin, xmax, ymax),
mask_im,
) = mask.triangulation_to_image(
name,
pixel_size,
(
tile.lon - 0.1,
tile.lat - 0.1,
tile.lon + 1.1,
tile.lat + 1.1,
),
)
if buffer_width:
mask_im = mask_im.filter(
ImageFilter.GaussianBlur(buffer_width / 4)
)
if buffer_width > 0:
mask_im = Image.fromarray(
(
numpy.array(mask_im, dtype=numpy.uint8)
> 0
).astype(numpy.uint8)
* 255
)
else: # buffer width can be negative
mask_im = Image.fromarray(
(
numpy.array(mask_im, dtype=numpy.uint8)
== 255
).astype(numpy.uint8)
* 255
)
if mask_width:
mask_width += 1
img_array = numpy.array(mask_im, dtype=numpy.uint8)
kernel = numpy.ones(int(mask_width)) / int(
mask_width
)
kernel = numpy.array(range(1, 2 * mask_width))
kernel[mask_width:] = range(mask_width - 1, 0, -1)
kernel = kernel / mask_width**2
for i in range(0, len(img_array)):
img_array[i] = numpy.convolve(
img_array[i], kernel, "same"
)
img_array = img_array.transpose()
for i in range(0, len(img_array)):
img_array[i] = numpy.convolve(
img_array[i], kernel, "same"
)
img_array = img_array.transpose()
img_array[img_array >= 128] = 255
img_array[img_array < 128] *= 2
img_array = numpy.array(
img_array, dtype=numpy.uint8
)
mask_im = Image.fromarray(img_array)
mask_im.save(
os.path.join(
filenames.Extent_dir,
"Auto",
new_extent_code + ".png",
)
)
for f in [
name + ".poly",
name + ".node",
name + ".1.node",
name + ".1.ele",
]:
try:
os.remove(f)
except:
pass
else:
new_comb_list.append(rlayer)
local_combined_providers_dict[provider_code] = new_comb_list
else:
local_combined_providers_dict[provider_code] = comb_list
else:
ui.vprint(
1,
"Combined provider",
provider_code,
"did not contained data for this tile, exiting.",
)
return 0
ui.vprint(2, " Done.")
return 1
def read_tilematrixsets(file_name):
f = open(file_name, "r")
def xml_decode(line):
field = line.split("<")[1].split(">")[0]
str_value = line.split(">")[1].split("<")[0]
return [field, str_value]
tilematrixsets = []
line = f.readline()
while line:
if line.strip() == "<TileMatrixSet>":
tilematrixset = {}
tilematrixset["tilematrices"] = []
line = f.readline()
while not line.strip() == "</TileMatrixSet>":
if line.strip() == "<TileMatrix>":
tilematrix = {}
line = f.readline()
while not line.strip() == "</TileMatrix>":
field, str_value = xml_decode(line)
if "Identifier" in field:
field = "identifier"
tilematrix[field] = str_value
line = f.readline()
tilematrixset["tilematrices"].append(tilematrix)
elif "Identifier" in line:
field, str_value = xml_decode(line)
tilematrixset["identifier"] = str_value
line = f.readline()
tilematrixsets.append(tilematrixset)
else:
pass
line = f.readline()
f.close()
return tilematrixsets
def has_data(
bbox,
extent_code,
return_mask=False,
mask_size=(4096, 4096),
is_sharp_resize=False,
is_mask_layer=False,
):
# This function checks wether a given provider has data instersecting the given bbox.
# IMPORTANT : THE EXTENT AND THE BBOX NEED TO BE USING THE SAME REFERENCE FRAME (e.g. ESPG CODE)
# It returns either False or True or (in the latter case) the mask image over the bbox and properly resized accroding to input parameter.
# is_sharp_resize determined if the upsamplique of the extent mask is nearest (good when sharp transitions are ) or bicubic (good in all other cases)
# is_mask_layer (assuming EPSG:4326) allows to "multiply" extent masks with water masks, this is a smooth alternative for the old sea_texture_params.
# IMPORTANT TOO : (x0,y0) is the top-left corner, (x1,y1) is the bottom-right
(x0, y0, x1, y1) = bbox
try:
# global layers need special treatment
if extent_code == "global" and (not is_mask_layer or (x1 - x0) == 1):
return (not return_mask) or Image.new("L", mask_size, "white")
if extent_code[0] == "!":
extent_code = extent_code[1:]
negative = True
else:
negative = False
(xmin, ymin, xmax, ymax) = (
extents_dict[extent_code]["mask_bounds"]
if extent_code != "global"
else (-180, -90, 180, 90)
)
if x0 > xmax or x1 < xmin or y0 < ymin or y1 > ymax:
return negative
if (not is_mask_layer) or (x1 - x0) == 1:
mask_im = Image.open(
os.path.join(
filenames.Extent_dir,
extents_dict[extent_code]["dir"],
extents_dict[extent_code]["code"] + ".png",
)
).convert("L")
(sizex, sizey) = mask_im.size
pxx0 = int((x0 - xmin) / (xmax - xmin) * sizex)
pxx1 = int((x1 - xmin) / (xmax - xmin) * sizex)
pxy0 = int((ymax - y0) / (ymax - ymin) * sizey)
pxy1 = int((ymax - y1) / (ymax - ymin) * sizey)
if not return_mask:
pxx0 = max(-1, pxx0)
pxx1 = min(sizex, pxx1)
pxy0 = max(-1, pxy0)