/
stacked_bar_h_normalized_labeled.vg.json
166 lines (166 loc) · 4.62 KB
/
stacked_bar_h_normalized_labeled.vg.json
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{
"$schema": "https://vega.github.io/schema/vega/v5.json",
"background": "white",
"padding": 5,
"width": 200,
"style": "cell",
"data": [
{
"name": "source_0",
"url": "data/population.json",
"format": {"type": "json"},
"transform": [
{"type": "filter", "expr": "datum.year == 2000"},
{
"type": "formula",
"expr": "datum.sex == 2 ? 'Female' : 'Male'",
"as": "gender"
},
{
"type": "aggregate",
"groupby": ["age", "gender"],
"ops": ["sum"],
"fields": ["people"],
"as": ["sum_people"]
},
{
"type": "stack",
"groupby": ["age"],
"field": "sum_people",
"sort": {"field": ["gender"], "order": ["ascending"]},
"as": ["sum_people_start", "sum_people_end"],
"offset": "normalize"
}
]
},
{
"name": "data_0",
"source": "source_0",
"transform": [
{
"type": "filter",
"expr": "isValid(datum[\"sum_people\"]) && isFinite(+datum[\"sum_people\"])"
}
]
},
{
"name": "data_1",
"source": "source_0",
"transform": [
{
"type": "filter",
"expr": "isValid(datum[\"sum_people\"]) && isFinite(+datum[\"sum_people\"])"
}
]
}
],
"signals": [
{"name": "y_step", "value": 17},
{
"name": "height",
"update": "bandspace(domain('y').length, 0.1, 0.05) * y_step"
}
],
"marks": [
{
"name": "layer_0_marks",
"type": "rect",
"style": ["bar"],
"from": {"data": "data_1"},
"encode": {
"update": {
"fill": {"scale": "color", "field": "gender"},
"ariaRoleDescription": {"value": "bar"},
"description": {
"signal": "\"population: \" + (format(datum[\"sum_people_end\"]-datum[\"sum_people_start\"], \".0%\")) + \"; age: \" + (isValid(datum[\"age\"]) ? datum[\"age\"] : \"\"+datum[\"age\"]) + \"; gender: \" + (isValid(datum[\"gender\"]) ? datum[\"gender\"] : \"\"+datum[\"gender\"])"
},
"x": {"scale": "x", "field": "sum_people_end"},
"x2": {"scale": "x", "field": "sum_people_start"},
"y": {"scale": "y", "field": "age"},
"height": {"scale": "y", "band": 1}
}
}
},
{
"name": "layer_1_marks",
"type": "text",
"style": ["text"],
"from": {"data": "data_0"},
"encode": {
"update": {
"opacity": {"value": 0.9},
"fill": {"value": "white"},
"description": {
"signal": "\"population: \" + (format(datum[\"sum_people_end\"]-datum[\"sum_people_start\"], \".0%\")) + \"; age: \" + (isValid(datum[\"age\"]) ? datum[\"age\"] : \"\"+datum[\"age\"]) + \"; gender: \" + (isValid(datum[\"gender\"]) ? datum[\"gender\"] : \"\"+datum[\"gender\"])"
},
"x": {
"signal": "scale(\"x\", 0.5 * datum[\"sum_people_start\"] + 0.5 * datum[\"sum_people_end\"])"
},
"y": {"scale": "y", "field": "age", "band": 0.5},
"text": {"signal": "format(datum[\"sum_people\"], \"\")"},
"align": {"value": "center"},
"baseline": {"value": "middle"}
}
}
}
],
"scales": [
{
"name": "x",
"type": "linear",
"domain": [0, 1],
"range": [0, {"signal": "width"}],
"nice": true,
"zero": true
},
{
"name": "y",
"type": "band",
"domain": {
"fields": [
{"data": "data_1", "field": "age"},
{"data": "data_0", "field": "age"}
],
"sort": true
},
"range": {"step": {"signal": "y_step"}},
"paddingInner": 0.1,
"paddingOuter": 0.05
},
{
"name": "color",
"type": "ordinal",
"domain": {"data": "data_1", "field": "gender", "sort": true},
"range": ["#675193", "#ca8861"]
}
],
"axes": [
{
"scale": "x",
"orient": "bottom",
"gridScale": "y",
"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",
"format": ".0%",
"labelFlush": true,
"labelOverlap": true,
"tickCount": {"signal": "ceil(width/40)"},
"zindex": 0
},
{"scale": "y", "orient": "left", "grid": false, "title": "age", "zindex": 0}
],
"legends": [{"fill": "color", "symbolType": "square", "title": "gender"}]
}