Radial Bar Demo - Customer Dim

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Customer Dimensions - Dairy</title>
<style>
body {
  font: 12px sans-serif;
}

svg {
  margin: 0px auto;
  display: block;
}

path.arc {
  opacity: 0.9;
  transition: opacity 0.5s;
}

path.arc:hover {
  opacity: 0.7;
}

.axis line, .axis circle  {
  stroke: #cccccc;
  stroke-width: 1px
}

.axis circle {
  fill: none;
}

.r.axis text {
  text-anchor: end
}

.tooltip {
  position: absolute;
  display: none;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 3px;
  box-shadow: -3px 3px 15px #888;
  color: white;
  padding: 6px;
}

rect.High {
    fill: green;
}

rect.Medium {
    fill: blue;
}

rect.Low {
    fill: grey;
}
</style>
<script src="https://d3js.org/d3.v4.min.js"></script>
</head>
<body>
    <center><h1>Dairy Customer Dimensions</h1></center>
<script>
const width = 960,
  height = 500,
  chartRadius = height / 2 - 40;

let svg = d3.select('body').append('svg')
  .attr('width', width)
  .attr('height', height)
  .append('g')
    .attr('transform', 'translate(' + width / 2 + ',' + height / 2 + ')');

let tooltip = d3.select('body').append('div')
  .attr('class', 'tooltip');

const PI = Math.PI,
  arcMinRadius = 10,
  arcPadding = 15,
  labelPadding = -5,
  numTicks = 10;

d3.csv('custDim.csv', (error, data) => {

let scale = d3.scaleLinear()
    .domain([0, d3.max(data, d => d.value) * 1.1])
    .range([0, 2 * PI]);

let ticks = scale.ticks(numTicks).slice(0, -1);
  let keys = data.map((d, i) => d.name);
  //number of arcs
  const numArcs = keys.length;
  const arcWidth = (chartRadius - arcMinRadius - numArcs * arcPadding) / numArcs;

let arc = d3.arc()
    .innerRadius((d, i) => getInnerRadius(i))
    .outerRadius((d, i) => getOuterRadius(i))
    .startAngle(0)
    .endAngle((d, i) => scale(d))

let axialAxis = svg.append('g')
    .attr('class', 'a axis')
    .selectAll('g')
      .data(ticks)
      .enter().append('g')
        .attr('transform', d => 'rotate(' + (rad2deg(scale(d)) - 90) + ')');

axialAxis.append('line')
    .attr('x2', chartRadius);

axialAxis.append('text')
    .attr('x', chartRadius + 10)
    .style('text-anchor', d => (scale(d) >= PI && scale(d) < 2 * PI ? 'end' : null))
    .attr('transform', d => 'rotate(' + (90 - rad2deg(scale(d))) + ',' + (chartRadius + 10) + ',0)')
    .text(d => d);

//data arcs
  let arcs = svg.append('g')
    .attr('class', 'data')
    .selectAll('path')
      .data(data)
      .enter().append('path')
      .attr('class', 'arc')
      .style('fill', getBarColor)

let radialAxis = svg.append('g')
    .attr('class', 'r axis')
    .selectAll('g')
      .data(data)
      .enter().append('g');

radialAxis.append('circle')
    .attr('r', (d, i) => getOuterRadius(i) + arcPadding);

renderLegend();

arcs.transition()
    .delay((d, i) => i * 200)
    .duration(1000)
    .attrTween('d', arcTween);

radialAxis.append('text')
    .attr('x', labelPadding)
    .attr('y', (d, i) => -getOuterRadius(i) + arcPadding)
    .style("font-weight", "bold")
    .text(d => d.name);

arcs.on('mousemove', showTooltip)
  arcs.on('mouseout', hideTooltip)

function getBarColor(d){
      //debugger;
      var category = d.category;
      var color = (category == "High") ? ("green") : ((category == "Medium") ? ("blue") : ("grey"));

return color;
  }

function arcTween(d, i) {
    let interpolate = d3.interpolate(0, d.value);
    return t => arc(interpolate(t), i);
  }

function showTooltip(d) {
    tooltip.style('left', (d3.event.pageX + 10) + 'px')
      .style('top', (d3.event.pageY - 25) + 'px')
      .style('display', 'inline-block')
      .html("Dairy " + d.name + " Score: " + d.value);
  }

function hideTooltip() {
    tooltip.style('display', 'none');
  }

function rad2deg(angle) {
    return angle * 180 / PI;
  }

function getInnerRadius(index) {
    return arcMinRadius + (numArcs - (index + 1)) * (arcWidth + arcPadding);
  }

function getOuterRadius(index) {
    return getInnerRadius(index) + arcWidth;
  }

// https://jsbin.com/ubafur/3/edit?js,output
    svg.select("g.legend1").remove(); // cleanup on previous runs
    var legend = svg
        .append("g")
        .attr("class", "legend1");

legend.selectAll('rect')
        .data(data)
        .enter()
        .append("rect")
        .attr("x", x)
        .attr("y", function(d, i) { return y + i * (legendHeight / data.length); })
        .attr("width", colorWidth)
        .attr("height", legendHeight / 3)
        .attr("class", function(d) { return d.cssClass; })
        .attr("stroke", "black")
        .attr("stroke-width", "1px");

legend.selectAll('text')
        .data(data)
        .enter()
        .append("text")
        .attr("x", x + colorWidth + 6)
        .attr("y", function(d, i) { return y + i * (legendHeight / (data.length)) + 40})
        //{ return y + i * (legendHeight / (data.length + 1)) + 3; }
        .attr("pointer-events", "none")
        .attr("font-size", 12)
        .attr("font-weight", "bold")
        .attr("font-family", "Helvetica")
        .text(function(d) { return d.display }); // TODO - prepend or append units of measure

legend
        .append("text")
        .attr("x", x)
        .attr("y", y - 7)
        .attr("pointer-events", "none")
        .attr("font-size", 12)
        .attr("font-family", "Helvetica")
        .attr("font-weight", "bold")
        .text("Group");
  };
});
</script>
</body>
</html>

https://d3js.org/d3.v4.min.js