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@AdrienLemaire
Created September 20, 2017 09:02
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Save AdrienLemaire/ce2d397421227b6869a3a61b5111d88d to your computer and use it in GitHub Desktop.
Zoomable Circle Packing
license: gpl-3.0
height: 960
{
"name": "flare",
"children": [
{
"name": "未来電子",
"children": [
{
"name": "Tech",
"children": [
{"name": "ドリ", "size": 3938},
{"name": "久保田", "size": 3812}
]
},
{
"name": "Sales",
"children": [
{"name": "福本", "size": 3534},
{"name": "黒田", "size": 5731},
{"name": "芹生", "size": 7840},
{"name": "西", "size": 5914}
]
},
{
"name": "Marketing",
"children": [
{"name": "川崎", "size": 7074},
{"name": "岩崎", "size": 7074},
{"name": "岩崎", "size": 7074},
{"name": "岩崎", "size": 7074},
{"name": "岩崎", "size": 7074},
{"name": "岩崎", "size": 7074}
]
},
{
"name": "Design",
"children": [
{"name": "アッシュ", "size": 7074},
{"name": "アッシュ", "size": 7074},
{"name": "アッシュ", "size": 7074},
{"name": "アッシュ", "size": 7074},
{"name": "アッシュ", "size": 7074}
]
}
]
}
]
}
<!DOCTYPE html>
<meta charset="utf-8">
<style>
.node {
cursor: pointer;
}
.node:hover {
stroke: #000;
stroke-width: 1.5px;
}
.node--leaf {
fill: white;
}
.label {
font: 11px "Helvetica Neue", Helvetica, Arial, sans-serif;
text-anchor: middle;
text-shadow: 0 1px 0 #fff, 1px 0 0 #fff, -1px 0 0 #fff, 0 -1px 0 #fff;
}
.label,
.node--root,
.node--leaf {
pointer-events: none;
}
</style>
<svg width="960" height="960"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
var svg = d3.select("svg"),
margin = 20,
diameter = +svg.attr("width"),
g = svg.append("g").attr("transform", "translate(" + diameter / 2 + "," + diameter / 2 + ")");
var color = d3.scaleLinear()
.domain([-1, 5])
.range(["hsl(152,80%,80%)", "hsl(228,30%,40%)"])
.interpolate(d3.interpolateHcl);
var pack = d3.pack()
.size([diameter - margin, diameter - margin])
.padding(2);
d3.json("flare.json", function(error, root) {
if (error) throw error;
root = d3.hierarchy(root)
.sum(function(d) { return d.size; })
.sort(function(a, b) { return b.value - a.value; });
var focus = root,
nodes = pack(root).descendants(),
view;
var circle = g.selectAll("circle")
.data(nodes)
.enter().append("circle")
.attr("class", function(d) { return d.parent ? d.children ? "node" : "node node--leaf" : "node node--root"; })
.style("fill", function(d) { return d.children ? color(d.depth) : null; })
.on("click", function(d) { if (focus !== d) zoom(d), d3.event.stopPropagation(); });
var text = g.selectAll("text")
.data(nodes)
.enter().append("text")
.attr("class", "label")
.style("fill-opacity", function(d) { return d.parent === root ? 1 : 0; })
.style("display", function(d) { return d.parent === root ? "inline" : "none"; })
.text(function(d) { return d.data.name; });
var node = g.selectAll("circle,text");
svg
.style("background", color(-1))
.on("click", function() { zoom(root); });
zoomTo([root.x, root.y, root.r * 2 + margin]);
function zoom(d) {
var focus0 = focus; focus = d;
var transition = d3.transition()
.duration(d3.event.altKey ? 7500 : 750)
.tween("zoom", function(d) {
var i = d3.interpolateZoom(view, [focus.x, focus.y, focus.r * 2 + margin]);
return function(t) { zoomTo(i(t)); };
});
transition.selectAll("text")
.filter(function(d) { return d.parent === focus || this.style.display === "inline"; })
.style("fill-opacity", function(d) { return d.parent === focus ? 1 : 0; })
.on("start", function(d) { if (d.parent === focus) this.style.display = "inline"; })
.on("end", function(d) { if (d.parent !== focus) this.style.display = "none"; });
}
function zoomTo(v) {
var k = diameter / v[2]; view = v;
node.attr("transform", function(d) { return "translate(" + (d.x - v[0]) * k + "," + (d.y - v[1]) * k + ")"; });
circle.attr("r", function(d) { return d.r * k; });
}
});
</script>
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