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{ | |
"name": "Transcript data", | |
"children": [ | |
{ | |
"name": "Cluster 1", | |
"children": [ | |
{"name": "tilted", "size": 0.767 }, | |
{"name": "towards", "size": 0.199 }, | |
{"name": "away", "size": 0.186 }, | |
{"name": "north", "size": 0.098 }, | |
{"name": "part", "size": 0.084 }, | |
{"name": "guess", "size": 0.077 }, | |
{"name": "closer", "size": 0.044 }, | |
{"name": "warmer", "size": 0.042 }, | |
{"name": "sun", "size": 0.03 }, | |
{"name": "father", "size": 0.017 } | |
] | |
}, | |
{ | |
"name": "Cluster 2", | |
"children": [ | |
{"name": "earth", "size": 0.4}, | |
{"name": "spinning", "size": 0.366}, | |
{"name": "china", "size": 0.295}, | |
{"name": "united", "size": 0.202}, | |
{"name": "spins", "size": 0.2}, | |
{"name": "time", "size": 0.198}, | |
{"name": "doesn", "size": 0.193}, | |
{"name": "long", "size": 0.154}, | |
{"name": "takes", "size": 0.138}, | |
{"name": "axis", "size": 0.121} | |
] | |
}, | |
{ | |
"name": "Cluster 3", | |
"children": [ | |
{"name": "hemisphere", "size": 0.603}, | |
{"name": "northern", "size": 0.522}, | |
{"name": "sunlight", "size": 0.278}, | |
{"name": "southern", "size": 0.229}, | |
{"name": "direct", "size": 0.154}, | |
{"name": "equator", "size": 0.146}, | |
{"name": "colder", "size": 0.119}, | |
{"name": "shorter", "size": 0.111}, | |
{"name": "turning", "size": 0.106}, | |
{"name": "facing", "size": 0.106} | |
] | |
}, | |
{ | |
"name": "Cluster 4", | |
"children": [ | |
{"name": "side", "size": 0.722}, | |
{"name": "fall", "size": 0.273}, | |
{"name": "spring", "size": 0.271}, | |
{"name": "draw", "size": 0.107}, | |
{"name": "sort", "size": 0.101}, | |
{"name": "half", "size": 0.091}, | |
{"name": "facing", "size": 0.091}, | |
{"name": "earth", "size": 0.085}, | |
{"name": "part", "size": 0.068}, | |
{"name": "united", "size": 0.052} | |
] | |
}, | |
{ | |
"name": "Cluster 5", | |
"children": [ | |
{"name": "directly", "size": 0.382}, | |
{"name": "rays", "size": 0.293}, | |
{"name": "hitting", "size": 0.236}, | |
{"name": "south", "size": 0.219}, | |
{"name": "hit", "size": 0.212}, | |
{"name": "north", "size": 0.197}, | |
{"name": "angle", "size": 0.194}, | |
{"name": "light", "size": 0.188}, | |
{"name": "america", "size": 0.173}, | |
{"name": "chicago", "size": 0.163} | |
] | |
}, | |
{ | |
"name": "Cluster 6", | |
"children": [ | |
{"name": "day", "size": 0.415}, | |
{"name": "moon", "size": 0.398}, | |
{"name": "night", "size": 0.377}, | |
{"name": "rotates", "size": 0.178}, | |
{"name": "make", "size": 0.089}, | |
{"name": "turn", "size": 0.088}, | |
{"name": "mind", "size": 0.077}, | |
{"name": "rotating", "size": 0.068}, | |
{"name": "planet", "size": 0.067}, | |
{"name": "daytime", "size": 0.063} | |
] | |
}, | |
{ | |
"name": "Cluster 7", | |
"children": [ | |
{"name": "farther", "size": 0.413}, | |
{"name": "closer", "size": 0.403}, | |
{"name": "away", "size": 0.379}, | |
{"name": "point", "size": 0.222}, | |
{"name": "colder", "size": 0.216}, | |
{"name": "cold", "size": 0.118}, | |
{"name": "snow", "size": 0.107}, | |
{"name": "sun", "size": 0.103}, | |
{"name": "far", "size": 0.094}, | |
{"name": "space", "size": 0.089} | |
] | |
} | |
] | |
} |
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<!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="750" height="750"></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("data.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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