D3でbubble chartを実装したかったのですが、
exampleのページで紹介されていたのもでは実行ができず
他にも同じような方がいるんじゃないかと思い記事にしました
以下コード
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>D3: A simple packed Bubble Chart</title>
<script type="text/javascript" src="https://d3js.org/d3.v4.min.js"></script>
<style type="text/css">
/* No style rules here yet */
</style>
</head>
<body>
<script type="text/javascript">
dataset = {
"children": [{"Name":"Olives","Count":4319},
{"Name":"Tea","Count":4159},
{"Name":"Mashed Potatoes","Count":2583},
{"Name":"Boiled Potatoes","Count":2074},
{"Name":"Milk","Count":1894},
{"Name":"Chicken Salad","Count":1809},
{"Name":"Vanilla Ice Cream","Count":1713},
{"Name":"Cocoa","Count":1636},
{"Name":"Lettuce Salad","Count":1566},
{"Name":"Lobster Salad","Count":1511},
{"Name":"Chocolate","Count":1489},
{"Name":"Apple Pie","Count":1487},
{"Name":"Orange Juice","Count":1423},
{"Name":"American Cheese","Count":1372},
{"Name":"Green Peas","Count":1341},
{"Name":"Assorted Cakes","Count":1331},
{"Name":"French Fried Potatoes","Count":1328},
{"Name":"Potato Salad","Count":1306},
{"Name":"Baked Potatoes","Count":1293},
{"Name":"Roquefort","Count":1273},
{"Name":"Stewed Prunes","Count":1268}]
};
var diameter = 600;
var color = d3.scaleOrdinal(d3.schemeCategory20);
var bubble = d3.pack(dataset)
.size([diameter, diameter])
.padding(1.5);
var svg = d3.select("body")
.append("svg")
.attr("width", diameter)
.attr("height", diameter)
.attr("class", "bubble");
var nodes = d3.hierarchy(dataset)
.sum(function(d) { return d.Count; });
var node = svg.selectAll(".node")
.data(bubble(nodes).descendants())
.enter()
.filter(function(d){
return !d.children
})
.append("g")
.attr("class", "node")
.attr("transform", function(d) {
return "translate(" + d.x + "," + d.y + ")";
});
node.append("title")
.text(function(d) {
return d.Name + ": " + d.Count;
});
node.append("circle")
.attr("r", function(d) {
return d.r;
})
.style("fill", function(d,i) {
return color(i);
});
node.append("text")
.attr("dy", ".2em")
.style("text-anchor", "middle")
.text(function(d) {
return d.data.Name.substring(0, d.r / 3);
})
.attr("font-family", "sans-serif")
.attr("font-size", function(d){
return d.r/5;
})
.attr("fill", "white");
node.append("text")
.attr("dy", "1.3em")
.style("text-anchor", "middle")
.text(function(d) {
return d.data.Count;
})
.attr("font-family", "Gill Sans", "Gill Sans MT")
.attr("font-size", function(d){
return d.r/5;
})
.attr("fill", "white");
d3.select(self.frameElement)
.style("height", diameter + "px");
</script>
</body>
</html>
コピペだけで問題なく動きました！
参考記事
Bubble Chart ( exampleページ )
Bubble Chart ( 動くサンプルページ )