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sxywu/.block

Last active May 1, 2017 21:39
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Color scale
Raw
.block
license: mit
Raw
index.html
<!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="https://cdn.rawgit.com/gka/chroma.js/master/chroma.min.js"></script>
<style>
svg {
width: 800px;
height: 800px;
}
</style>
</head>
<body>
<svg></svg>
<script>
var blue = '#51aae8';
var pink = '#e68fc3';
var orange = '#f7cd83';
var green = '#55e851';
var violet = '#a651e8';
var red = '#e85151';
var yellow = '#f7e883';
var red2 = '#e85178';
var colors = chroma
.scale([red, orange, yellow, green, blue, violet, pink, red2]).colors(36);
var svg = d3.select('svg');
var perRow = 6;
var size = 100;
var g = svg.selectAll('g')
.data(colors).enter().append('g')
.attr('transform', (d, i) => {
var x = (i % perRow + 1) * size;
var y = (Math.floor(i / perRow) + 1) * size;
return 'translate(' + [x, y] + ')';
}).attr('fill', d => d);
g.append('circle')
.attr('r', size / 4);
g.append('text')
.attr('y', size / 4 + 15)
.attr('text-anchor', 'middle')
.attr('dy', '.35em')
.text((d, i) => d);
</script>
</body>
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