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D3byEX 10.4: Tree Diagram
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="description" content="D3byEX 10.4" /> | |
| <meta charset="utf-8"> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var url = 'https://gist.githubusercontent.com/d3byex/25129228aa50c30ef01f/raw/c1c3ad9fa745c42c5410fba29cefccac47cd0ec7/familytree.json'; | |
| d3.json(url, function (error, data) { | |
| var width = 960, height = 500, | |
| nodeRadius = 10, | |
| margin = { | |
| left: 50, top: 10, | |
| bottom: 10, right: 40 | |
| }; | |
| var svg = d3.select('body') | |
| .append('svg') | |
| .attr({ | |
| width: width, | |
| height: height | |
| }); | |
| var mainGroup = svg.append('g') | |
| .attr('transform', 'translate(' + margin.left + ',' + | |
| margin.top + ')'); | |
| var tree = d3.layout.tree() | |
| .size([ | |
| height - (margin.bottom + margin.top), | |
| width - (margin.left + margin.right), | |
| ]); | |
| var nodes = tree.nodes(data); | |
| var links = tree.links(nodes); | |
| var diagonal = d3.svg.diagonal() | |
| .projection(function (d) { | |
| return [d.y, d.x]; | |
| }); | |
| mainGroup.selectAll('path') | |
| .data(links) | |
| .enter() | |
| .append('path', 'g') | |
| .attr({ | |
| 'd': diagonal, | |
| fill: 'none', | |
| stroke: '#ccc', | |
| 'stroke-width': 2 | |
| }); | |
| var circleGroups = mainGroup.selectAll('g') | |
| .data(nodes) | |
| .enter() | |
| .append('g') | |
| .attr('transform', function (d) { | |
| return 'translate(' + d.y + ',' + d.x + ')'; | |
| }); | |
| circleGroups.append('circle') | |
| .attr({ | |
| r: nodeRadius, | |
| fill: '#fff', | |
| stroke: 'steelblue', | |
| 'stroke-width': 3 | |
| }); | |
| circleGroups.append('text') | |
| .text(function (d) { | |
| return d.name; | |
| }) | |
| .attr('y', function (d) { | |
| return d.children || d._children ? | |
| -nodeRadius * 2 : nodeRadius * 2; | |
| }) | |
| .attr({ | |
| dy: '.35em', | |
| 'text-anchor': 'middle', | |
| 'fill-opacity': 1 | |
| }) | |
| .style('font', '12px sans-serif'); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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