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@timelyportfolio

timelyportfolio/.block

Last active July 30, 2017 19:55
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vega with existing d3 hierarchy
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.block
license: mit
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README.md
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index.html
<!DOCTYPE html>
<html>
<head>
<!-- Import Vega 3 & Vega-Lite 2 js (does not have to be from cdn) -->
<script src="https://unpkg.com/d3"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/vega/3.0.0-rc4/vega-core.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/vega-lite/2.0.0-beta.10/vega-lite.min.js"></script>
<!-- Import vega-embed -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/vega-embed/3.0.0-beta.19/vega-embed.min.js"></script>
</head>
<body>
<div id="vis"></div>
<script type="text/javascript"> d3.json("https://gist.githubusercontent.com/mbostock/1093025/raw/490fffd1ae637d3275aa9eaa8b0487147717dd40/flare.json", function(error,data) {
var flare_tm = d3.treemap().size([960,500])(d3.hierarchy(data).sum(d=>d.size))
var spec = {
"$schema": "https://vega.github.io/schema/vega/v3.0.json",
"width": 960,
"height": 500,
"padding": 2.5,
"autosize": "none",
"data": [
{
"name": "nodes",
"values": flare_tm.descendants().filter(d=>d.depth===1)
},
{
"name": "leaves",
"values": flare_tm.leaves()
}
],
"scales": [
{
"name": "color",
"type": "ordinal",
"range": [
"#3182bd", "#6baed6", "#9ecae1", "#c6dbef", "#e6550d",
"#fd8d3c", "#fdae6b", "#fdd0a2", "#31a354", "#74c476",
"#a1d99b", "#c7e9c0", "#756bb1", "#9e9ac8", "#bcbddc",
"#dadaeb", "#636363", "#969696", "#bdbdbd", "#d9d9d9"
]
},
{
"name": "size",
"type": "ordinal",
"domain": [0, 1, 2, 3],
"range": [256, 28, 20, 14]
},
{
"name": "opacity",
"type": "ordinal",
"domain": [0, 1, 2, 3],
"range": [0.15, 0.5, 0.8, 1.0]
}
],
"marks": [
{
"type": "rect",
"from": {"data": "nodes"},
"interactive": false,
"encode": {
"enter": {
"fill": {"scale": "color", "field": "data.name"}
},
"update": {
"x": {"field": "x0"},
"y": {"field": "y0"},
"x2": {"field": "x1"},
"y2": {"field": "y1"}
}
}
},
{
"type": "rect",
"from": {"data": "leaves"},
"encode": {
"enter": {
"stroke": {"value": "#fff"}
},
"update": {
"x": {"field": "x0"},
"y": {"field": "y0"},
"x2": {"field": "x1"},
"y2": {"field": "y1"},
"fill": {"value": "transparent"}
},
"hover": {
"fill": {"value": "red"}
}
}
},
{
"type": "text",
"from": {"data": "nodes"},
"interactive": false,
"encode": {
"enter": {
"font": {"value": "Helvetica Neue, Arial"},
"align": {"value": "center"},
"baseline": {"value": "middle"},
"fill": {"value": "#000"},
"text": {"field": "data.name"},
"fontSize": {"scale": "size", "field": "depth"},
"fillOpacity": {"scale": "opacity", "field": "depth"}
},
"update": {
"x": {"signal": "0.5 * (datum.x0 + datum.x1)"},
"y": {"signal": "0.5 * (datum.y0 + datum.y1)"}
}
}
}
]
}
vega.embed('#vis', spec, {'renderer':'svg'});
})
</script>
</body>
</html>
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