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Last active October 24, 2017 17:14
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Vega loader problem
Raw
.block
license: bsd-3-clause
Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://cdnjs.cloudflare.com/ajax/libs/vega/3.0.6/vega.js"></script>
</head>
<body>
<div id="vis"></div>
<script>
var spec = {
"$schema": "https://vega.github.io/schema/vega/v3.0.json",
"width": 200,
"height": 200,
"padding": 5,
"data": [
{
"name": "source",
"url": "data/cars.json",
"transform": [
{
"type": "filter",
"expr": "datum['Horsepower'] != null && datum['Miles_per_Gallon'] != null && datum['Acceleration'] != null"
}
]
}
],
"scales": [
{
"name": "x",
"type": "linear",
"round": true,
"nice": true,
"zero": true,
"domain": {"data": "source", "field": "Horsepower"},
"range": "width"
},
{
"name": "y",
"type": "linear",
"round": true,
"nice": true,
"zero": true,
"domain": {"data": "source", "field": "Miles_per_Gallon"},
"range": "height"
},
{
"name": "size",
"type": "linear",
"round": true,
"nice": false,
"zero": true,
"domain": {"data": "source", "field": "Acceleration"},
"range": [4,361]
}
],
"axes": [
{
"scale": "x",
"grid": true,
"domain": false,
"orient": "bottom",
"tickCount": 5,
"title": "Horsepower"
},
{
"scale": "y",
"grid": true,
"domain": false,
"orient": "left",
"titlePadding": 5,
"title": "Miles_per_Gallon"
}
],
"legends": [
{
"size": "size",
"title": "Acceleration",
"format": "s",
"encode": {
"symbols": {
"update": {
"strokeWidth": {"value": 2},
"opacity": {"value": 0.5},
"stroke": {"value": "#4682b4"},
"shape": {"value": "circle"}
}
}
}
}
],
"marks": [
{
"name": "marks",
"type": "symbol",
"from": {"data": "source"},
"encode": {
"update": {
"x": {"scale": "x", "field": "Horsepower"},
"y": {"scale": "y", "field": "Miles_per_Gallon"},
"size": {"scale": "size", "field": "Acceleration"},
"shape": {"value": "circle"},
"strokeWidth": {"value": 2},
"opacity": {"value": 0.5},
"stroke": {"value": "#4682b4"},
"fill": {"value": "transparent"}
}
}
}
]
}
var runtime = vega.parse(spec);
var loader = vega.loader({baseURL: 'https://vega.github.io/editor/'});
// loader.load('data/cars.json').then(console.log).catch(console.warn);
// works (toggle between /* and //* to toggle code blocks)
/*
var view = new vega.View(runtime, {loader: loader})
.logLevel(vega.Warn)
.initialize(document.querySelector('#vis'))
.run();
/*/
// does not work
var view = new vega.View(runtime)
.loader(loader)
.logLevel(vega.Warn)
.initialize(document.querySelector('#vis'))
.run();
//*/
</script>
</body>
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