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Last active May 19, 2016 02:27
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circle packing using d3 pack layout
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index.html
<!DOCTYPE html>
<html>
<head>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js"></script>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>circle packing using d3 pack layout</title>
</head>
<body>
<script>
var data = {
"name": "Argentina",
"children": [
{"name":"Buenos Aires","size":15625084},
{"name":"Córdoba","size":3308876},
{"name":"Santa Fe","size":3194537},
{"name":"Ciudad Autónoma de Buenos Aires","size":2890151},
{"name":"Mendoza","size":1738929},
{"name":"Tucumán","size":1448188},
{"name":"Entre Ríos","size":1235994},
{"name":"Salta","size":1214441},
{"name":"Misiones","size":1101593},
{"name":"Chaco","size":1055259},
{"name":"Corrientes","size":992595},
{"name":"Santiago del Estero","size":874006},
{"name":"San Juan","size":681055},
{"name":"Jujuy","size":673307},
{"name":"Río Negro","size":638645},
{"name":"Neuquén","size":551266},
{"name":"Formosa","size":530162},
{"name":"Chubut","size":509108},
{"name":"San Luis","size":432310},
{"name":"Catamarca","size":367828},
{"name":"La Rioja","size":333642},
{"name":"La Pampa","size":318951},
{"name":"Santa Cruz","size":273964},
{"name":"Tierra del Fuego","size":127205}
]};
var w = 500, format = d3.format(",d");
var c10 = d3.scale.category10();
var pack = d3.layout.pack()
.size([w, w])
.sort(null)
.padding(9)
.value(function(d) { return d.size; });
var svg = d3.select("body").append("svg").attr("width", w).attr("height", w);
var vis = svg.datum(data).selectAll(".node").data(pack.nodes).enter()
.append("g")
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
var titles = vis.append("title")
.attr("x", function(d) { return d.x; })
.attr("y", function(d) { return d.y; })
.text(function(d) { return d.name + (d.children ? "" : ": " + format(d.value)); });
var circles = vis.append("circle")
.style("fill", function(d,i) { return !d.children ? c10(i) : "white"; })
.attr("stroke", "grey")
// .attr("cx", function(d) { return d.x; })
// .attr("cy", function(d) { return d.y; })
.attr("r", function(d) { return d.r; })
.on("mouseout", function() {
d3.select(this).attr("stroke","grey");
})
.on("mouseover", function() {
d3.select(this).attr("stroke","black");
});
//var text = vis.append("text").style("text-anchor","middle").attr("dy", ".3em").text( function(d) {return d.name; } );
</script>
</body>
</html>
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