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Testing drawing tree like structures
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| license: mit |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| // Feel free to change or delete any of the code you see in this editor! | |
| var data = [ | |
| {value: 1, children: [1,2,3], badge: undefined}, | |
| {value: 2, children: [1,4,2], badge: 'blue'}, | |
| {value: 3, children: [2,1,1, 3, 2], badge: 'green'}]; | |
| var svg = d3.select("body") | |
| .append("svg") | |
| .attr("width", 500) | |
| .attr("height", 500) | |
| .style('background-color', '#eee') | |
| var rectGs = svg | |
| .selectAll('g') | |
| .data(data) | |
| .enter() | |
| .append('g'); | |
| rectGs | |
| .append('rect') | |
| .attr('height', 100) | |
| .attr('width', d => d.value*100) | |
| .attr('fill', 'black') | |
| .attr('x', 0) | |
| .attr('y', (d, i) => i*100) | |
| rectGs | |
| .append('g') | |
| .selectAll('circle') | |
| .data((d,i) => d.children.map(c => ({c, parentIdx: i}))) | |
| .enter() | |
| .append('circle') | |
| .attr('cx', (d,i) => (i+1)*50) | |
| .attr('cy', (d,i) => (d.parentIdx*100)+50) | |
| .attr('r', d => d.c*5) | |
| .attr('fill', 'red') | |
| .attr('stroke', 'red') | |
| rectGs | |
| .append('g') | |
| .append('circle') | |
| .attr('cx', (d,i) => (i+1)*50) | |
| .attr('cy', (d,i) => (i*100)+50) | |
| .attr('r', 20) | |
| .attr('fill', d => d.badge || 'none') // if | |
| </script> | |
| </body> |
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