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index.html
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index.html
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<!DOCTYPE html>
<meta charset="utf-8">
<style>
.node circle {
fill: #999;
}
.node text {
font: 10px sans-serif;
}
.node--internal circle {
fill: #555;
}
.node--internal text {
text-shadow: 0 1px 0 #fff, 0 -1px 0 #fff, 1px 0 0 #fff, -1px 0 0 #fff;
}
.link {
fill: none;
stroke: #555;
stroke-opacity: 0.4;
stroke-width: 1.5px;
}
form {
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
position: absolute;
left: 10px;
top: 10px;
}
label {
display: block;
}
</style>
<form>
<label><input type="radio" name="mode" value="cluster" checked> Dendrogram</label>
<label><input type="radio" name="mode" value="tree"> Tree</label>
</form>
<svg width="1700" height="2400"></svg>
<script src="//d3js.org/d3.v4.min.js"></script>
<script>
var svg = d3.select("svg"),
width = +svg.attr("width"),
height = +svg.attr("height"),
g = svg.append("g").attr("transform", "translate(40,0)");
var tree = d3.tree()
.size([height - 400, width - 160]);
var cluster = d3.cluster()
.size([height, width - 160]);
var stratify = d3.stratify()
.parentId(function (d) { return d.id.substring(0, d.id.lastIndexOf(".")); });
d3.csv("familytree.csv", function (error, data) {
if (error) throw error;
var root = stratify(data)
.sort(function (a, b) { return (a.height - b.height) || a.id.localeCompare(b.id); });
cluster(root);
var link = g.selectAll(".link")
.data(root.descendants().slice(1))
.enter().append("path")
.attr("class", "link")
.attr("d", diagonal);
var node = g.selectAll(".node")
.data(root.descendants())
.enter().append("g")
.attr("class", function (d) { return "node" + (d.children ? " node--internal" : " node--leaf"); })
.attr("transform", function (d) { return "translate(" + d.y + "," + d.x + ")"; });
node.append("circle")
.attr("r", 2.5);
node.append("text")
.attr("dy", 3)
.attr("x", function (d) { return d.children ? -8 : 8; })
.style("text-anchor", function (d) { return d.children ? "end" : "start"; })
.text(function (d) { return d.id.substring(d.id.lastIndexOf(".") + 1); });
d3.selectAll("input")
.on("change", changed);
var timeout = setTimeout(function () {
d3.select("input[value=\"tree\"]")
.property("checked", true)
.dispatch("change");
}, 1000);
function changed() {
timeout = clearTimeout(timeout);
(this.value === "tree" ? tree : cluster)(root);
var t = d3.transition().duration(750);
node.transition(t).attr("transform", function (d) { return "translate(" + d.y + "," + d.x + ")"; });
link.transition(t).attr("d", diagonal);
}
});
function diagonal(d) {
return "M" + d.y + "," + d.x
+ "C" + (d.parent.y + 100) + "," + d.x
+ " " + (d.parent.y + 100) + "," + d.parent.x
+ " " + d.parent.y + "," + d.parent.x;
}
</script>