D3 Examples - Cartograma No Contiguo de Averiguaciones Previas por Homicidio

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<!DOCTYPE html>
<meta charset="utf-8">
<title>Cartograma No Contiguo de Averiguaciones Previas por Homicidio</title>
<style>
​
.land {
  fill: #fff;
  stroke: #ccc;
}
​
.state {
  fill: #ccc;
  stroke: #666;
}
​
</style>
<body>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="https://d3js.org/topojson.v0.min.js"></script>
<script>
​
// Averiguaciones previas for homicidio dolosos during January
var valueById = [
   4, 15, 4,  1, 71,
   34, 56,  117, 67, 52,
   37,  NaN, 17, 99,  151, 
   53, 51, 14, 109, 26,
  39, 5, 20, 19, 109, 
  37, 7, 68, 6, NaN,
  NaN, 12
];
​
//divide by total averiguaciones previas for homicidio doloso
//valueById.forEach(function (d, i) {valueById[i] = d / 1300})
​
var projection = d3.geo.mercator()
    .scale(1200)
    .center([-102.34034978813841, 24.012062015793]);
​
var path = d3.geo.path().projection(projection);
​
​
​
var svg = d3.select("body").append("svg")
    .attr("width", 960)
    .attr("height", 500);
​
d3.json("estados_tj.json", function(error, mx) {
  svg.append("path")
     .datum(topojson.object(mx, mx.objects.land))
     .attr("class", "land")
     .attr("d", path);
​
  svg.selectAll(".state")
      .data(topojson.object(mx, mx.objects.estados2).geometries)
    .enter().append("path")
      .attr("class", "state")
      .attr("d", path)
      .attr("transform", function(d, i) {
        var centroid = path.centroid(d),
           x = centroid[0],
            y = centroid[1];
        return "translate(" + x + "," + y + ")"
            + "scale(" + Math.sqrt(valueById[(d.properties.CVE_ENT -1)] * .010 || 0) + ")"
            + "translate(" + -x + "," + -y + ")";
      });
      //.style("stroke-width", function(d) {
      //  return 1 / Math.sqrt(valueById[(d.properties.CVE_ENT -1)] * 5 || 1);
      //});
});
​
</script>
    