mbostock · January 28, 2025 18:06 · ashid · Oct 1, 2013 · yuanfang2007 · Nov 12, 2013
diff --git a/.block b/.block
 license: gpl-3.0
 height: 600
 border: no
diff --git a/README.md b/README.md
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <meta charset="utf-8">
 <style>

 .counties {
  fill: none;
 }

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

 </style>
 <svg width="960" height="600"></svg>
 <script src="https://d3js.org/d3.v4.min.js"></script>
 <script src="https://d3js.org/topojson.v2.min.js"></script>
 <script>

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

 var unemployment = d3.map();

 var path = d3.geoPath();

 var quantize = d3.scaleQuantize()
    .domain([0, 12])
    .range(["#f7fbff", "#deebf7", "#c6dbef", "#9ecae1", "#6baed6", "#4292c6", "#2171b5", "#08519c", "#08306b"]);

 d3.queue()
    .defer(d3.json, "https://unpkg.com/us-atlas/us/10m.json")
    .defer(d3.tsv, "unemployment.tsv", function(d) { unemployment.set(d.id, +d.rate); })
    .await(ready);

 function ready(error, us) {
  if (error) throw error;

  svg.append("g")
      .attr("class", "counties")
    .selectAll("path")
    .data(topojson.feature(us, us.objects.counties).features)
    .enter().append("path")
      .attr("fill", function(d) { return quantize(unemployment.get(d.id)); })
      .attr("d", path);

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

 </script>
diff --git a/thumbnail.png b/thumbnail.png
diff --git a/unemployment.tsv b/unemployment.tsv
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>

	.counties {
	fill: none;
	}

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

	</style>
	<svg width="960" height="600"></svg>
	<script src="https://d3js.org/d3.v4.min.js"></script>
	<script src="https://d3js.org/topojson.v2.min.js"></script>
	<script>

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

	var unemployment = d3.map();

	var path = d3.geoPath();

	var quantize = d3.scaleQuantize()
	.domain([0, 12])
	.range(["#f7fbff", "#deebf7", "#c6dbef", "#9ecae1", "#6baed6", "#4292c6", "#2171b5", "#08519c", "#08306b"]);

	d3.queue()
	.defer(d3.json, "https://unpkg.com/us-atlas/us/10m.json")
	.defer(d3.tsv, "unemployment.tsv", function(d) { unemployment.set(d.id, +d.rate); })
	.await(ready);

	function ready(error, us) {
	if (error) throw error;

	svg.append("g")
	.attr("class", "counties")
	.selectAll("path")
	.data(topojson.feature(us, us.objects.counties).features)
	.enter().append("path")
	.attr("fill", function(d) { return quantize(unemployment.get(d.id)); })
	.attr("d", path);

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

	</script>
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