D3 Examples - Radial Bar Chart built with D3

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Oyster conservation data by decade</title>
<style>
body {
  font: 12px sans-serif;
}
​
svg {
  margin: 0px auto;
  display: block;
}
​
path.arc {
  opacity: .9;
  transition: opacity 0.5s;
}
​
path.arc:hover {
  opacity: 0.6;
}
​
.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, .7);
  border-radius: 3px;
  box-shadow: -3px 3px 15px #939393;
  color: white;
  padding: 6px;
}
#radial button {
    background-color:#e0e0e0;
    text-align:center;
    border-radius: 20px;
        border-color: #d1d1d1;
    font-family:"Times New Roman", Times, serif;
    font-size: 18px;
    font-weight: 500;
    position:fixed;
    bottom:300px;
    left:442px;
    
     
}
#radial button:hover {
    background-color: #c0c0c0;
    border-color: #e1e1e1; 
}
  #radial text{
    font-family: "times new roman";
  }
</style>
<script src="https://d3js.org/d3.v4.min.js"></script>
  <script src="https://d3js.org/d3-color.v1.min.js"></script>
<script src="https://d3js.org/d3-interpolate.v1.min.js"></script>
<script src="https://d3js.org/d3-scale-chromatic.v1.min.js"></script>
</head>
<body>
<div id="radial">
<p><br><div align="middle"> Dollars Adjusted to 2016 inflation </div></p>
<div id="radialSvg">
</div>
</div>
<script type="text/javascript" src="js/d3-tip.js"></script>
    <script type="text/javascript">
    //JS Object used to switch between data using a simple button
function dataSwitcherConstructor(datatype) {
  this.currentData = datatype;
  dataswitch(this.currentData);
}
//load data
var datatype = "revenue";
var dataSwitcher = new dataSwitcherConstructor(datatype);
​
//Arc colors
const color1 = d3.interpolate("#1d5d23","#197522");//d3.scaleOrdinal(d3.schemeGreens[7]);
const color2 = d3.interpolate("#2c538b","#3566aa");//d3.scaleOrdinal(d3.schemeBlues[7]);
​
​
let tooltip = d3.select('body').append('div')
  .attr('class', 'tooltip');
​
//Chart spacing and tick settings
const PI = Math.PI,
  arcMinRadius = 10,
  arcPadding = 0,
  labelPadding = -5,
    numTicks = 15;
      
function dataswitch(datatype){    
 const width = 960,
 height = 500,
 chartRadius = height / 2 - 40;
 d3.select("svg").remove();
 let svg = d3.select('body').append('svg')
 .attr('width', width)
 .attr('height', height)
 .append('g')
    .attr('transform', 'translate(' + width / 2 + ',' + height / 2.18 + ')');
​
        svg.append ("rect")
        .attr("width",100)
        .attr("height",50)
        .attr("x",-50)
        .attr("y",230)
    svg.append ("text")
        .attr("width",100)
        .attr("height",50)
        .attr("x",-30)
        .attr("y",257)
        .text("hello")
        .attr("font-size", 20)
      .attr("font-family", "monospace")
        .attr("fill","white")
d3.select("text").on("click", function(){
      if (datatype=="revenue")
        datatype = "landings";
      else
        datatype = "revenue";
     dataSwitcher = new dataSwitcherConstructor(datatype);
});
​
//Datajoin
d3.csv('Oyster.csv', (data) => {console.log(data)
if(datatype == "revenue"){
  let scale = d3.scaleLinear()
    .domain([0, d3.max(data, d => +d.AdjustedRevenue) * 1.1])
    .range([0, 2 * PI]);
//Building chart
  let ticks = scale.ticks(numTicks).slice(0, -1);
  let keys = data.map((d, i) => d.Decade);
​
//Arc Data
  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 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);
​
  radialAxis.append('text')
    .attr('x', labelPadding)
    .attr('y', (d, i) => -getOuterRadius(i) + arcPadding)
    .text(d => d.Decade);
​
  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.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ","));
​
  let arcs = svg.append('g')
    .attr('class', 'data')
    .selectAll('path')
      .data(data)
      .enter().append('path')
      .attr('class', 'arc')
      .style('fill', (d, i) => color1(i))
​
  arcs.transition()
    .delay((d, i) => i * 200)
    .duration(1000)
    .attrTween('d', arcTween);
​
  arcs.on('mousemove', showTooltip)
  arcs.on('mouseout', hideTooltip)
​
//Text updates with data change
svg.append("text")
      .text("Data Shown:")
      .attr("y",-200)
      .attr("x",-475)
      .attr("font-size", 20)
      .attr("font-family", "monospace")
  
svg.append("text")
      .text("Revenue")
      .attr("y",-200)
      .attr("x",-350)
      .attr("font-size", 20)
      .attr("font-family", "monospace")
​
//Tooltip,archover data
  function arcTween(d, i) {
    let interpolate = d3.interpolate(0, +d.AdjustedRevenue);
    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("$"+d.AdjustedRevenue.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",") + "<br>" + " Decline since 1950: "+ Math.round((100-((d.AdjustedRevenue/data[0].AdjustedRevenue)*100)))+"%")
  }
​
  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;
  }
}
  
//Landings data
else if(datatype == "landings"){
  let scale = d3.scaleLinear()
    .domain([0, d3.max(data, d => +d.MetricTonnage) * 1.1])
    .range([0, 2 * PI]);
//Text updates with data change
  svg.append("text")
      .text("Data Shown:")
      .attr("y",-200)
      .attr("x",-475)
      .attr("font-size", 20)
      .attr("font-family", "monospace")
  
  svg.append("text")
      .text("Oyster Landings")
      .attr("y",-200)
      .attr("x",-350)
      .attr("font-size", 20)
      .attr("font-family", "monospace")
​
//Arc data
  let ticks = scale.ticks(numTicks).slice(0, -1);
  let keys = data.map((d, i) => d.Decade); 
  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 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);
​
  radialAxis.append('text')
    .attr('x', labelPadding)
    .attr('y', (d, i) => -getOuterRadius(i) + arcPadding)
    .text(d => d.Decade);
​
  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.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ","));
​
  let arcs = svg.append('g')
    .attr('class', 'data')
    .selectAll('path')
      .data(data)
      .enter().append('path')
      .attr('class', 'arc')
      .style('fill', (d, i) => color2(i))
​
  arcs.transition()
    .delay((d, i) => i * 200)
    .duration(1000)
    .attrTween('d', arcTween);
​
  arcs.on('mousemove', showTooltip)
  arcs.on('mouseout', hideTooltip)
​
//Tooltip,archover data
  function arcTween(d, i) {
    let interpolate = d3.interpolate(0, +d.MetricTonnage);
    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(d.MetricTonnage.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",") + " Metric Tons"+ "<br>"+ " Decline since 1950: " + Math.round((100-((d.MetricTonnage/data[0].MetricTonnage)*100)))+"%")
​
  }
​
  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;
  }}})}
</script>
</body>
</html>
​
    