JSFiddle - React, Tailwind, and code Playground

by boinky

HTML

<!DOCTYPE html>
<meta charset="utf-8">
<style>

body {
  font: 20px sans-serif;
}

.group-tick line {
  stroke: #000;
}

.ribbons {
  fill-opacity: 0.67;
}

</style>
<svg width="1000" height="1000"></svg>
<script src="https://d3js.org/d3.v5.min.js"></script>
<script>

var matrixData={
  "Occupants":
  [0,1,1,1],
  Flooring:
  [1,0,1,1],
  Millwork:
  [1,1,0,1],
  Ceilings: 
  [1,1,1,0]
}

matrix= Object.values(matrixData);
matrixKeys = Object.keys(matrixData);
  
var svg = d3.select("svg"),
    width = +svg.attr("width"),
    height = +svg.attr("height"),
    outerRadius = Math.min(width, height) * 0.5 - 150,
    innerRadius = outerRadius - 30;

var formatValue = d3.formatPrefix(",.0", 1e3);

var chord = d3.chord()
    .padAngle(0.024)
    .sortSubgroups(d3.descending);

var arc = d3.arc()
    .innerRadius(innerRadius)
    .outerRadius(outerRadius);

var ribbon = d3.ribbon()
    .radius(innerRadius);

var color = d3.scaleOrdinal()
    .domain(d3.range(4))
    .range(["#6FCDE3", 
            "#D7DAE5", 
            "#D7DAE5", 
            "#D7DAE5"
           ]);

var g = svg.append("g")
    .attr("transform", "translate(" + width / 2 + "," + height / 2 + ") rotate(75)")
    .datum(chord(matrix));

var group = g.append("g")
    .attr("class", "groups")
  .selectAll("g")
  .data(function(chords) { return chords.groups; })
  .enter().append("g");

group.append("path")
    .style("fill", function(d) { return color(d.index); })
    .style("stroke", function(d) { return d3.rgb(color(d.index)).darker(); })
    .attr("d", arc);

//CODE FOR ADDING TICKS
var groupTick = group.selectAll(".group-tick")
  .data(function(d) { return groupTicks(d, 1e3); })
  .enter().append("g")
    .attr("class", "group-tick")
    .attr("transform", function(d) { 
      return "rotate(" + (d.angle * 180 / Math.PI - 75) + 
        ") translate(" + outerRadius + ",2)"; 
    });

groupTick.append("line")
    .attr("x2", 6);

groupTick
  .filter(function(d) { return d.value % 5e3 === 0; })
 ...