Implementation based on Gregor Aisch's work with Raphäel
Last active
December 20, 2015 13:39
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Bubble Tree example.
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| text { | |
| font: 10px sans-serif; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var diameter = 960, | |
| format = d3.format(",d"), | |
| color = d3.scale.category20c(); | |
| var bubble = d3.layout.pack() | |
| .sort(null) | |
| .size([diameter, diameter]) | |
| .padding(1.5); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", diameter) | |
| .attr("height", diameter) | |
| .attr("class", "bubble"); | |
| d3.json("tags.json", function(error, root) { | |
| var node = svg.selectAll(".node") | |
| .data(bubble.nodes(classes(root)) | |
| .filter(function(d) { return !d.children; })) | |
| .enter().append("g") | |
| .attr("class", "node") | |
| .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; }); | |
| node.append("title") | |
| .text(function(d) { return d.className + ": " + format(d.value); }); | |
| node.append("circle") | |
| .attr("r", function(d) { return d.r; }) | |
| .style("fill", function(d) { return color(d.packageName); }); | |
| node.append("text") | |
| .attr("dy", ".3em") | |
| .style("text-anchor", "middle") | |
| .text(function(d) { return d.className.substring(0, d.r / 3); }); | |
| }); | |
| // Returns a flattened hierarchy containing all leaf nodes under the root. | |
| function classes(root) { | |
| var classes = []; | |
| function recurse(name, node) { | |
| if (node.children) node.children.forEach(function(child) { recurse(node.name, child); }); | |
| else classes.push({packageName: name, className: node.name, value: node.size}); | |
| } | |
| recurse(null, root); | |
| return {children: classes}; | |
| } | |
| d3.select(self.frameElement).style("height", diameter + "px"); | |
| </script> |
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