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Hexbin
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| svg = d3.select('svg') | |
| width = svg[0][0].getBoundingClientRect().width | |
| height = svg[0][0].getBoundingClientRect().height | |
| randomX = d3.random.normal(width / 2, 80) | |
| randomY = d3.random.normal(height / 2, 80) | |
| points = d3.range(2000).map(() -> [randomX(), randomY()]) | |
| hexbin = d3.hexbin() | |
| .size([width, height]) | |
| .radius(20) | |
| radius = d3.scale.sqrt() | |
| .domain([0, 60]) | |
| .range([0, 20]) | |
| color = d3.scale.linear() | |
| .domain([0, 20]) | |
| .range(['white', 'steelblue']) | |
| .interpolate(d3.interpolateLab) | |
| ### | |
| svg.selectAll('.hexagon') | |
| .data(hexbin(points)) | |
| .enter().append('path') | |
| .attr('class', 'hexagon') | |
| .attr('d', (d) -> hexbin.hexagon(radius(d.length))) | |
| .attr('transform', (d) -> "translate(#{d.x},#{d.y})")### | |
| svg.selectAll('.bubble') | |
| .data(hexbin(points)) | |
| .enter().append('circle') | |
| .attr('class', 'bubble') | |
| .attr('r', (d) -> radius(d.length)*Math.sqrt(3)/2) | |
| .attr('transform', (d) -> "translate(#{d.x},#{d.y})") | |
| svg.selectAll('.point') | |
| .data(points) | |
| .enter().append('circle') | |
| .attr('class', 'point') | |
| .attr('cx', (d) -> d[0]) | |
| .attr('cy', (d) -> d[1]) | |
| .attr('r', 1) |
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| body { | |
| margin: 0; | |
| padding: 0; | |
| } | |
| svg { | |
| background: white; | |
| } | |
| .hexagon { | |
| fill: lightgray; | |
| } | |
| .bubble { | |
| fill: lightgray; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="description" content="Hexbin" /> | |
| <title>Hexbin</title> | |
| <link rel="stylesheet" href="index.css"> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://d3js.org/d3.hexbin.v0.min.js?5c6e4f0"></script> | |
| </head> | |
| <body> | |
| <svg height="500" width="960"></svg> | |
| <script src="index.js"></script> | |
| </body> | |
| </html> |
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| (function() { | |
| var color, height, hexbin, points, radius, randomX, randomY, svg, width; | |
| svg = d3.select('svg'); | |
| width = svg[0][0].getBoundingClientRect().width; | |
| height = svg[0][0].getBoundingClientRect().height; | |
| randomX = d3.random.normal(width / 2, 80); | |
| randomY = d3.random.normal(height / 2, 80); | |
| points = d3.range(2000).map(function() { | |
| return [randomX(), randomY()]; | |
| }); | |
| hexbin = d3.hexbin().size([width, height]).radius(20); | |
| radius = d3.scale.sqrt().domain([0, 60]).range([0, 20]); | |
| color = d3.scale.linear().domain([0, 20]).range(['white', 'steelblue']).interpolate(d3.interpolateLab); | |
| /* | |
| svg.selectAll('.hexagon') | |
| .data(hexbin(points)) | |
| .enter().append('path') | |
| .attr('class', 'hexagon') | |
| .attr('d', (d) -> hexbin.hexagon(radius(d.length))) | |
| .attr('transform', (d) -> "translate(#{d.x},#{d.y})") | |
| */ | |
| svg.selectAll('.bubble').data(hexbin(points)).enter().append('circle').attr('class', 'bubble').attr('r', function(d) { | |
| return radius(d.length) * Math.sqrt(3) / 2; | |
| }).attr('transform', function(d) { | |
| return "translate(" + d.x + "," + d.y + ")"; | |
| }); | |
| svg.selectAll('.point').data(points).enter().append('circle').attr('class', 'point').attr('cx', function(d) { | |
| return d[0]; | |
| }).attr('cy', function(d) { | |
| return d[1]; | |
| }).attr('r', 1); | |
| }).call(this); |
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