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Branch treemap node with mouse click
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| { | |
| "history of religion":6, | |
| "software by domain":2, | |
| "films by producer":1, | |
| "contents":2, | |
| "1970s":2, | |
| "1990s":2, | |
| "christian holidays":1, | |
| "works by nationality":2, | |
| "american soul musicians":2, | |
| "political parties in the united states by ideology":2, | |
| "science software":2, | |
| "festivals":2, | |
| "former countries by status":1, | |
| "robotics":1, | |
| "universities and colleges in north america":1, | |
| "sound production technology":6 | |
| } |
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| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html;charset=utf-8"> | |
| <title>Treemap</title> | |
| <script type="text/javascript" src="http://d3js.org/d3.v2.min.js"></script> | |
| <link type="text/css" rel="stylesheet" href="treemap.css"/> | |
| </head> | |
| <body> | |
| <div id="chart"></div> | |
| <script type="text/javascript" src="treemap_branch_on_click.js"></script> | |
| </body> | |
| </html> |
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| .cell { | |
| border: solid 1px white; | |
| font-family: Georgia; | |
| font-size: 15px; | |
| font-weight: bolder; | |
| color: Black; | |
| line-height: 15px; | |
| overflow: hidden; | |
| position: absolute; | |
| text-indent: 2px; | |
| text-align: center; | |
| vertical-align: middle; | |
| } |
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| var w = window.innerWidth - 1, | |
| h = window.innerHeight - 1, | |
| color = d3.scale.category20c(); | |
| var treemap = d3.layout.treemap() | |
| .size([w, h]) | |
| .children(function(d) { return isNaN(d.value) ? d3.entries(d.value) : null; }) | |
| .value(function(d) { return d.value; }) | |
| .sticky(true); | |
| var div = d3.select("#chart").append("div") | |
| .style("position", "relative") | |
| .style("width", w + "px") | |
| .style("height", h + "px"); | |
| d3.json("readme.json", function(json) { | |
| div.data(d3.entries(json)).selectAll("div") | |
| .data(treemap) | |
| .enter().append("div") | |
| .attr("class", "cell") | |
| .style("background", function(d) { return d.depth == 1 ? color(d.data.key) : null; }) | |
| .style("left", function(d) { return d.depth == 1 ? d.x + "px" : null; }) | |
| .style("top", function(d) { return d.depth == 1 ? d.y + "px" : null; }) | |
| .style("width", function(d) { return d.depth == 1 ? d.dx + "px" : null; }) | |
| .style("height", function(d) { return d.depth == 1 ? d.dy + "px" : null; }) | |
| .text(function(d){return d.depth == 1 ? d.data.key : null;}) | |
| .on('click', onClick); | |
| }); | |
| function onClick(d,i) { | |
| var datum = d, dep = d.depth; | |
| div.selectAll("div.cell") | |
| .filter(function(d){ | |
| if(d.parent) | |
| { | |
| return d.depth == dep+1 && d.parent == datum; | |
| } | |
| else | |
| { | |
| return d.depth == dep+1; | |
| } | |
| }) | |
| .text(function(d){return d.data.key}) | |
| .transition() | |
| .duration(1000) | |
| .style("left", function(d){return d.x + "px";}) | |
| .style("top", function(d){return d.y + "px";}) | |
| .style("width", function(d){return d.dx - 1 + "px";}) | |
| .style("height", function(d){return d.dy - 1 + "px";}) | |
| .style("background", function(d) { return color(d.data.key); }) | |
| ; | |
| } |
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