JSFiddle - React, Tailwind, and code Playground
HTML
<div id="wheel"></div>
CSS
#wheel {
position: absolute;
width: 100%;
height: 100%;
}
JavaScript
var arc, data, padding, steps, r=400/2, pi = Math.PI;
padding = 2 * r / 200;
arc = d3.svg.arc().innerRadius(r-40).outerRadius(r).startAngle(function(d) {
return d.startAngle;
})
.e/* ndAngle(function(d) {
return d.endAngle;
}); */
.endAngle(function (d) {
return (d / 100) * Math.PI * 2;
});
steps = 2;
data = d3.range(180).map(function(d, i) {
i *= steps;
return {
startAngle: i * (pi / 180),
endAngle: (i + 2) * (pi / 180),
fill: d3.hsl(i, 1, .5).toString()
};
});
d3.select("#wheel")
.insert('svg', 'svg')
.attr("width", 400)
.attr("height", 400)
.append('g')
.attr("transform", "translate(" + r + "," + r + ") rotate(90) scale(-1,1)")
.selectAll('path')
.data(data)
.enter()
.append('path')
.attr("d", arc)
.attr("stroke-width", 1)
.attr("stroke", function(d) {
return d.fill;
}).attr("fill", function(d) {
return d.fill;
});