/
bar_grouped.vg.json
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/
bar_grouped.vg.json
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{
"$schema": "https://vega.github.io/schema/vega/v5.json",
"background": "white",
"padding": 5,
"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": ["gender", "age"],
"ops": ["sum"],
"fields": ["people"],
"as": ["sum_people"]
},
{
"type": "filter",
"expr": "isValid(datum[\"sum_people\"]) && isFinite(+datum[\"sum_people\"])"
}
]
},
{
"name": "column_domain",
"source": "source_0",
"transform": [{"type": "aggregate", "groupby": ["age"]}]
}
],
"signals": [
{"name": "x_step", "value": 12},
{
"name": "child_width",
"update": "bandspace(domain('x').length, 0.1, 0.05) * x_step"
},
{"name": "child_height", "value": 200}
],
"layout": {
"padding": {"row": 20, "column": 10},
"offset": {"columnTitle": 10},
"columns": {"signal": "length(data('column_domain'))"},
"bounds": "full",
"align": "all"
},
"marks": [
{
"name": "column-title",
"type": "group",
"role": "column-title",
"title": {"text": "age", "style": "guide-title", "offset": 10}
},
{
"name": "row_header",
"type": "group",
"role": "row-header",
"encode": {"update": {"height": {"signal": "child_height"}}},
"axes": [
{
"scale": "y",
"orient": "left",
"grid": false,
"title": "population",
"labelOverlap": true,
"tickCount": {"signal": "ceil(child_height/40)"},
"zindex": 0
}
]
},
{
"name": "column_header",
"type": "group",
"role": "column-header",
"from": {"data": "column_domain"},
"sort": {"field": "datum[\"age\"]", "order": "ascending"},
"title": {
"text": {
"signal": "isValid(parent[\"age\"]) ? parent[\"age\"] : \"\"+parent[\"age\"]"
},
"style": "guide-label",
"frame": "group",
"offset": 10
},
"encode": {"update": {"width": {"signal": "child_width"}}}
},
{
"name": "column_footer",
"type": "group",
"role": "column-footer",
"from": {"data": "column_domain"},
"sort": {"field": "datum[\"age\"]", "order": "ascending"},
"encode": {"update": {"width": {"signal": "child_width"}}},
"axes": [
{
"scale": "x",
"orient": "bottom",
"grid": false,
"labelAlign": "right",
"labelAngle": 270,
"labelBaseline": "middle",
"zindex": 0
}
]
},
{
"name": "cell",
"type": "group",
"style": "cell",
"from": {
"facet": {"name": "facet", "data": "source_0", "groupby": ["age"]}
},
"sort": {"field": ["datum[\"age\"]"], "order": ["ascending"]},
"encode": {
"update": {
"width": {"signal": "child_width"},
"height": {"signal": "child_height"}
}
},
"marks": [
{
"name": "child_marks",
"type": "rect",
"style": ["bar"],
"from": {"data": "facet"},
"encode": {
"update": {
"fill": {"scale": "color", "field": "gender"},
"ariaRoleDescription": {"value": "bar"},
"description": {
"signal": "\"population: \" + (format(datum[\"sum_people\"], \"\")) + \"; gender: \" + (isValid(datum[\"gender\"]) ? datum[\"gender\"] : \"\"+datum[\"gender\"])"
},
"x": {"scale": "x", "field": "gender"},
"width": {"scale": "x", "band": 1},
"y": {"scale": "y", "field": "sum_people"},
"y2": {"scale": "y", "value": 0}
}
}
}
]
}
],
"scales": [
{
"name": "x",
"type": "band",
"domain": {"data": "source_0", "field": "gender", "sort": true},
"range": {"step": {"signal": "x_step"}},
"paddingInner": 0.1,
"paddingOuter": 0.05
},
{
"name": "y",
"type": "linear",
"domain": {"data": "source_0", "field": "sum_people"},
"range": [{"signal": "child_height"}, 0],
"nice": true,
"zero": true
},
{
"name": "color",
"type": "ordinal",
"domain": {"data": "source_0", "field": "gender", "sort": true},
"range": ["#675193", "#ca8861"]
}
],
"legends": [{"fill": "color", "symbolType": "square", "title": "gender"}],
"config": {
"style": {"cell": {"stroke": "transparent"}},
"axis": {"domainWidth": 1}
}
}