Created
December 14, 2014 02:12
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>D3 tree</title> | |
| <style> | |
| .line { | |
| stroke: blue; | |
| stroke-width: 1.5px; | |
| fill: white; | |
| } | |
| circle { | |
| fill: red; | |
| } | |
| </style> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| </head> | |
| <body> | |
| <script> | |
| "use strict" | |
| var svg = d3.select("body").append("svg").attr("width",400).attr("height", 1000).append("g").attr("transform", "translate(200,50)"); | |
| var data = []; | |
| for (var i=1;i<=8;i++) { | |
| data.push(i); | |
| }; | |
| var tree = d3.layout.tree() | |
| .children(function(d) { | |
| if (d.v >= data.length / 2) { | |
| return []; | |
| } | |
| return [{v: data[2*d.v - 1]}, {v: data[2*d.v]}]; | |
| }) | |
| .nodeSize([80, 80]) | |
| var nodes = tree.nodes({v: 1}) | |
| console.log(nodes); | |
| svg.selectAll(".links") | |
| .data(tree.links(nodes)) | |
| .enter() | |
| .append("path") | |
| .attr("class", "line") | |
| .attr("d", d3.svg.diagonal()) | |
| var node_gs = | |
| svg.selectAll(".nodes") | |
| .data(nodes) | |
| .enter() | |
| .append("g") | |
| .attr("transform", function(d) { return "translate(" + d.x + " " + d.y + ")";}) | |
| node_gs.append("circle").attr("r", 25) | |
| node_gs.append("text").text(function(d) { return d.v; }) | |
| </script> | |
| </body> | |
| </html> |
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