Created
October 25, 2011 11:37
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Most simple d3.js tree
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html;charset=utf-8"> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js?1.27.2"></script> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.layout.js?1.27.2"></script> | |
| <style> | |
| .link { | |
| fill: none; | |
| stroke: #ccc; | |
| stroke-width: 4.5px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="viz"></div> | |
| <script type="text/javascript"> | |
| var treeData = {"name" : "A", "children" : [ | |
| {"name" : "A1" }, | |
| {"name" : "A2" }, | |
| {"name" : "A3", "children": [ | |
| {"name" : "A31", "children" :[ | |
| {"name" : "A311" }, | |
| {"name" : "A312" } | |
| ]}] } | |
| ]}; | |
| var vis = d3.select("#viz").append("svg:svg") | |
| .attr("width", 400) | |
| .attr("height", 300) | |
| .append("svg:g") | |
| .attr("transform", "translate(40, 0)"); | |
| var tree = d3.layout.tree() | |
| .size([300,150]); | |
| var diagonal = d3.svg.diagonal() | |
| .projection(function(d) { return [d.y, d.x]; }); | |
| var nodes = tree.nodes(treeData); | |
| var link = vis.selectAll("pathlink") | |
| .data(tree.links(nodes)) | |
| .enter().append("svg:path") | |
| .attr("class", "link") | |
| .attr("d", diagonal); | |
| var node = vis.selectAll("g.node") | |
| .data(nodes) | |
| .enter().append("svg:g") | |
| .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; }) | |
| node.append("svg:circle") | |
| .attr("r", 4.5); | |
| node.append("svg:text") | |
| .attr("dx", function(d) { return d.children ? -8 : 8; }) | |
| .attr("dy", 3) | |
| .attr("text-anchor", function(d) { return d.children ? "end" : "start"; }) | |
| .text(function(d) { return d.name; }); | |
| </script> | |
| </body> | |
| </html> |
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A simple starter for the tree layout without json files.
(Also testing this bl.ocks.org thing)