Examples of sequential scale interpolators.
From D3 in Depth book by Peter Cook.
license: gpl-3.0 | |
height: 600 | |
border: no |
Examples of sequential scale interpolators.
From D3 in Depth book by Peter Cook.
<!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> |