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arc_pie_pyramid.vg.json
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arc_pie_pyramid.vg.json
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{
"$schema": "https://vega.github.io/schema/vega/v5.json",
"description": "Reproducing http://robslink.com/SAS/democd91/pyramid_pie.htm",
"background": "white",
"padding": 5,
"width": 200,
"height": 200,
"style": "view",
"data": [
{
"name": "source_0",
"values": [
{"category": "Sky", "value": 75, "order": 3},
{"category": "Shady side of a pyramid", "value": 10, "order": 1},
{"category": "Sunny side of a pyramid", "value": 15, "order": 2}
]
},
{
"name": "data_0",
"source": "source_0",
"transform": [
{
"type": "stack",
"groupby": [],
"field": "value",
"sort": {"field": ["order"], "order": ["ascending"]},
"as": ["value_start", "value_end"],
"offset": "zero"
},
{
"type": "filter",
"expr": "isValid(datum[\"value\"]) && isFinite(+datum[\"value\"])"
}
]
}
],
"marks": [
{
"name": "marks",
"type": "arc",
"style": ["arc"],
"from": {"data": "data_0"},
"encode": {
"update": {
"outerRadius": {"value": 80},
"fill": {"scale": "color", "field": "category"},
"description": {
"signal": "\"value: \" + (format(datum[\"value\"], \"\")) + \"; category: \" + (isValid(datum[\"category\"]) ? datum[\"category\"] : \"\"+datum[\"category\"]) + \"; order: \" + (isValid(datum[\"order\"]) ? datum[\"order\"] : \"\"+datum[\"order\"])"
},
"x": {"signal": "width", "mult": 0.5},
"y": {"signal": "height", "mult": 0.5},
"innerRadius": {"value": 0},
"startAngle": {"scale": "theta", "field": "value_end"},
"endAngle": {"scale": "theta", "field": "value_start"}
}
}
}
],
"scales": [
{
"name": "theta",
"type": "linear",
"domain": {"data": "data_0", "fields": ["value_start", "value_end"]},
"range": [2.35619449, 8.639379797],
"zero": true
},
{
"name": "color",
"type": "ordinal",
"domain": ["Sky", "Shady side of a pyramid", "Sunny side of a pyramid"],
"range": ["#416D9D", "#674028", "#DEAC58"]
}
],
"legends": [
{
"columns": 1,
"legendX": 200,
"legendY": 80,
"orient": "none",
"fill": "color",
"symbolType": "circle"
}
],
"config": {"style": {"tick": {"discreteBandSize": {"band": 0.75}}}}
}