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bar_1d.vg.json
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bar_1d.vg.json
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{
"$schema": "https://vega.github.io/schema/vega/v5.json",
"background": "white",
"padding": 5,
"width": 200,
"height": 20,
"style": "cell",
"data": [
{
"name": "source_0",
"url": "data/population.json",
"format": {"type": "json"},
"transform": [
{"type": "filter", "expr": "datum.year == 2000"},
{
"type": "aggregate",
"groupby": [],
"ops": ["sum"],
"fields": ["people"],
"as": ["sum_people"]
},
{
"type": "filter",
"expr": "isValid(datum[\"sum_people\"]) && isFinite(+datum[\"sum_people\"])"
}
]
}
],
"marks": [
{
"name": "marks",
"type": "rect",
"style": ["bar"],
"from": {"data": "source_0"},
"encode": {
"update": {
"fill": {"value": "#4c78a8"},
"ariaRoleDescription": {"value": "bar"},
"description": {
"signal": "\"population: \" + (format(datum[\"sum_people\"], \"\"))"
},
"x": {"scale": "x", "field": "sum_people"},
"x2": {"scale": "x", "value": 0},
"yc": {"signal": "height", "mult": 0.5},
"height": {"signal": "0.9 * height"}
}
}
}
],
"scales": [
{
"name": "x",
"type": "linear",
"domain": {"data": "source_0", "field": "sum_people"},
"range": [0, {"signal": "width"}],
"nice": true,
"zero": true
}
],
"axes": [
{
"scale": "x",
"orient": "bottom",
"grid": true,
"tickCount": {"signal": "ceil(width/40)"},
"domain": false,
"labels": false,
"aria": false,
"maxExtent": 0,
"minExtent": 0,
"ticks": false,
"zindex": 0
},
{
"scale": "x",
"orient": "bottom",
"grid": false,
"title": "population",
"labelFlush": true,
"labelOverlap": true,
"tickCount": {"signal": "ceil(width/40)"},
"zindex": 0
}
],
"config": {"style": {"tick": {"discreteBandSize": {"band": 0.75}}}}
}