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forked from sxywu's block: d3.unconf 2016, v6
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d3.unconf 2016, v7
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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> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.15.0/lodash.min.js"></script> | |
| <script src="https://npmcdn.com/babel-core@5.8.34/browser.min.js"></script> | |
| <script type="text/javascript" src="http://gka.github.io/chroma.js/vendor/chroma-js/chroma.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| svg { | |
| width: 1000px; | |
| height: 1000px | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <svg></svg> | |
| <script> | |
| var colors = chroma.cubehelix() | |
| .start(200) | |
| .rotations(-0.35) | |
| .gamma(0.7) | |
| .lightness([0.3, 0.8]) | |
| .scale() // convert to chroma.scale | |
| .correctLightness() | |
| .colors(27); | |
| var midpoint = -2/3; | |
| var halfSide = Math.sqrt(1 / 3); | |
| var favoritesScale = d3.scaleLinear() | |
| .domain([0, 27]) | |
| .range([midpoint, -1]); | |
| var versionScale = d3.scaleLinear() | |
| .domain([1, 4]).range([6, 3]); | |
| var firstScale = d3.scaleOrdinal() | |
| .domain(_.range(27)).range(colors); | |
| var triangle = [ | |
| 'M' + (-halfSide) + ',-1', | |
| 'L' + (halfSide) + ',-1', | |
| 'L0,0', | |
| 'Z' | |
| ]; | |
| var hexSize = 75; | |
| var hexData = { | |
| favorite: 12, | |
| version: 1, | |
| first: 23, | |
| }; | |
| var svg = d3.select('svg').append('g'); | |
| var hex = svg.append('g') | |
| .datum(hexData) | |
| .attr('transform', 'translate(' + [hexSize * 2, hexSize * 2] + ')' + | |
| 'scale(' + hexSize + ')'); | |
| var triangles = hex.selectAll('g') | |
| .data(d => { | |
| var start = _.random(6); | |
| return _.times(versionScale(d.version), i => { | |
| return { | |
| angle: ((i + start) % 6) * 60, | |
| midpoint: favoritesScale(d.favorite), | |
| color: firstScale(d.first), | |
| }; | |
| }); | |
| }).enter().append('g') | |
| .attr('transform', d => 'rotate(' + d.angle + ')'); | |
| triangles.append('path') | |
| .attr('d', triangle.join(' ')) | |
| .attr('fill', d => d.color); | |
| triangles.selectAll('.subtri') | |
| .data(d => _.times(3, i => { | |
| return Object.assign({ | |
| subangle: i * 120, | |
| }, d); | |
| })).enter().append('path') | |
| .classed('subtri', true) | |
| .attr('transform', d => 'rotate(' + d.subangle + ' 0 ' + midpoint + ')') | |
| .attr('d', d => { | |
| return [ | |
| 'M' + (-halfSide) + ',-.99', | |
| 'L0,' + d.midpoint, | |
| 'L' + halfSide + ',-.99', | |
| 'Z' | |
| ].join(' '); | |
| }).attr('fill', '#fff'); | |
| </script> | |
| </body> |
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