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scaleSequential interpolator examples
license: gpl-3.0
height: 600
border: no
<!DOCTYPE html>
<meta charset="utf-8">
<head>
<title>Sequential scale interpolators</title>
</head>
<style>
body {
font-family: "Helvetica Neue", Helvetica, sans-serif;
font-size: 12px;
color: #333;
}
text {
fill: #777;
}
</style>
<body>
<svg width="700" height="580">
<g id="wrapper" transform="translate(40, 40)">
</g>
</svg>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script>
<script>
var linearScale = d3.scaleLinear()
.domain([0, 100])
.range([0, 600]);
var sequentialScale = d3.scaleSequential()
.domain([0, 100]);
var interpolators = [
'interpolateViridis',
'interpolateInferno',
'interpolateMagma',
'interpolatePlasma',
'interpolateWarm',
'interpolateCool',
'interpolateRainbow',
'interpolateCubehelixDefault'
];
var myData = d3.range(0, 100, 2);
function dots(d) {
sequentialScale
.interpolator(d3[d]);
d3.select(this)
.append('text')
.attr('y', -10)
.text(d);
d3.select(this)
.selectAll('rect')
.data(myData)
.enter()
.append('rect')
.attr('x', function(d) {
return linearScale(d);
})
.attr('width', 11)
.attr('height', 30)
.style('fill', function(d) {
return sequentialScale(d);
});
}
d3.select('#wrapper')
.selectAll('g.interpolator')
.data(interpolators)
.enter()
.append('g')
.classed('interpolator', true)
.attr('transform', function(d, i) {
return 'translate(0, ' + (i * 70) + ')';
})
.each(dots);
</script>
</body>
</html>
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