76 lines
1.8 KiB
JSON
76 lines
1.8 KiB
JSON
{
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"$schema": "https://vega.github.io/schema/vega/v5.json",
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"description": "A basic area chart example.",
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"width": 500,
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"height": 200,
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"padding": 5,
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"signals": [
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{
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"name": "mousex",
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"description": "x position of mouse",
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"update": "0",
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"on": [{"events": "mousemove", "update": "1-x()/width"}]
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}
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],
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"data": [
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{
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"name": "table",
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"transform": [
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{"type": "sequence", "start": -5, "stop": 5,"step": 0.2, "as": "u"},
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{"type": "formula", "expr": "densityNormal(datum.u,0,1)", "as": "v"},
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{"type": "formula", "expr": "round(100 * cumulativeNormal(datum.u,0,1))", "as": "cdf"}
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]
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}
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],
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"scales": [
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{
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"name": "xscale",
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"type": "linear",
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"range": "width",
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"zero": false,
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"domain":
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{"data": "table", "field": "u"}
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},
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{
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"name": "yscale",
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"type": "linear",
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"range": "height",
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"nice": true,
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"zero": true,
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"domain":
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{"data": "table", "field": "v"}
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}
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],
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"axes": [
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{"orient": "bottom", "scale": "xscale", "tickCount": 20},
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{"orient": "left", "scale": "yscale"}
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],
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"marks": [
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{
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"type": "area",
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"from": {"data": "table"},
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"encode": {
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"enter": {
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"x": {"scale": "xscale", "field": "u"},
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"y": {"scale": "yscale", "field": "v"},
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"y2": {"scale": "yscale", "value": 0},
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"tooltip": {"signal": "datum.cdf"}
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},
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"update": {
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"fill": {
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"signal": "{gradient: 'linear', x1: 1, y1: 1, x2: 0, y2: 1, stops: [ {offset: 0.0, color: 'steelblue'}, {offset: mousex, color: 'steelblue'}, {offset: mousex, color: 'blue'}, {offset: 1.0, color: 'blue'} ] }"
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},
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"interpolate": {"value": "monotone"},
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"fillOpacity": {"value": 1}
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}
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}
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}
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]
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}
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