JSFiddle - React, Tailwind, and code Playground

by nygeog

HTML

<!DOCTYPE html>
<style>



</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://d3js.org/queue.v1.min.js"></script>
<script src="http://d3js.org/topojson.v1.min.js"></script>

<h1>Rate of Flu Counts (Google Trends) per 10,000 people by State</h1>

<script>

var width = 960,
    height = 500;

var color = d3.scale.threshold()
    .domain([.0001, .01, 10, 25, 50])
    .range(["#f2f0f7", "#dadaeb", "#bcbddc", "#9e9ac8", "#756bb1", "#54278f"]);

var path = d3.geo.path();

var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);

queue()
    .defer(d3.json, "https://raw.githubusercontent.com/stat4701-edav-d3/stat4701-edav-d3.github.com/master/viz/choropleth/us.json")
    .defer(d3.tsv, "https://github.com/stat4701-edav-d3/stat4701-edav-d3.github.com/blob/master/viz/choropleth/data/rate-2014-12-14.tsv")
    .await(ready);

function ready(error, us, unemployment) {
  var rateById = {};

  unemployment.forEach(function(d) { rateById[d.id] = +d.rate; });

  svg.append("g")
      .attr("class", "counties")
    .selectAll("path")
      .data(topojson.feature(us, us.objects.counties).features)
    .enter().append("path")
      .attr("d", path)
      .style("fill", function(d) { return color(rateById[d.id]); });

  svg.append("path")
      .datum(topojson.mesh(us, us.objects.states, function(a, b) { return a.id !== b.id; }))
      .attr("class", "states")
      .attr("d", path);
}

</script>
</body>

CSS

.states {
  fill: none;
  stroke: #fff;
  stroke-linejoin: round;
}