/
histogram_nonlinear.vg.json
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histogram_nonlinear.vg.json
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{
"$schema": "https://vega.github.io/schema/vega/v5.json",
"description": "A histogram for a data source that provides non-linear bins. Thanks to [@Saba9](https://github.com/Saba9) who helps create this example.",
"background": "white",
"padding": 5,
"height": 100,
"title": {"text": "Distribution of Frame Render Time (ms)", "frame": "group"},
"style": "cell",
"data": [
{
"name": "source_0",
"values": [
{"startTime": "0", "endTime": "8.33", "residency": 0},
{"startTime": "8.33", "endTime": "12.50", "residency": 0},
{"startTime": "12.50", "endTime": "16.67", "residency": 31.17},
{"startTime": "16.67", "endTime": "33.33", "residency": 38.96},
{"startTime": "33.33", "endTime": "50.00", "residency": 6.49},
{"startTime": "50.00", "endTime": "66.67", "residency": 2.9},
{"startTime": "66.67", "endTime": "83.33", "residency": 2.6},
{"startTime": "83.33", "endTime": "∞", "residency": 16.88}
]
},
{
"name": "data_0",
"source": "source_0",
"transform": [
{
"type": "stack",
"groupby": ["startTime"],
"field": "residency",
"sort": {"field": [], "order": []},
"as": ["residency_start", "residency_end"],
"offset": "zero"
},
{
"type": "filter",
"expr": "isValid(datum[\"residency\"]) && isFinite(+datum[\"residency\"])"
}
]
}
],
"signals": [
{"name": "x_step", "value": 40},
{"name": "width", "update": "bandspace(domain('x').length, 1, 0) * x_step"}
],
"marks": [
{
"name": "marks",
"type": "rect",
"style": ["bar"],
"from": {"data": "data_0"},
"encode": {
"update": {
"cornerRadius": {"value": 0},
"fill": {"value": "#4c78a8"},
"ariaRoleDescription": {"value": "bar"},
"description": {
"signal": "\"startTime: \" + (isValid(datum[\"startTime\"]) ? datum[\"startTime\"] : \"\"+datum[\"startTime\"]) + \"; residency: \" + (format(datum[\"residency\"], \"\")) + \"; endTime: \" + (isValid(datum[\"endTime\"]) ? datum[\"endTime\"] : \"\"+datum[\"endTime\"])"
},
"x": {"scale": "x", "field": "startTime"},
"x2": {"scale": "x", "field": "endTime"},
"yc": {"scale": "y", "field": "residency"},
"height": {"value": 5}
}
}
}
],
"scales": [
{
"name": "x",
"type": "point",
"domain": {"data": "data_0", "fields": ["startTime", "endTime"]},
"range": {"step": {"signal": "x_step"}},
"padding": 0
},
{
"name": "y",
"type": "linear",
"domain": [0, 100],
"range": [{"signal": "height"}, 0],
"zero": true,
"padding": 5
}
],
"axes": [
{
"scale": "y",
"orient": "left",
"gridScale": "x",
"grid": true,
"tickCount": {"signal": "ceil(height/40)"},
"domain": false,
"labels": false,
"aria": false,
"maxExtent": 0,
"minExtent": 0,
"ticks": false,
"zindex": 0
},
{
"scale": "x",
"orient": "bottom",
"grid": false,
"labelAngle": 0,
"labelBaseline": "top",
"zindex": 0
},
{
"scale": "y",
"orient": "left",
"grid": false,
"labelOverlap": true,
"tickCount": {"signal": "ceil(height/40)"},
"encode": {
"labels": {"update": {"text": {"signal": "datum.label + '%'"}}}
},
"zindex": 0
}
]
}