block by enjalot b86565c86ca7b698e91a82da49b7a1e1

World Map template

Full Screen

This map shows the Natural Earth Admin 0 - Countries shapefile at 50m resolution. Converted to TopoJSON, only 140K gzipped. Each country is identified by its ISO 3166-1 numeric code.

forked from mbostock‘s block: World Map

index.html

<!DOCTYPE html>
<meta charset="utf-8">
<style>

body {
  background: #fcfcfa;
}

.stroke {
  fill: none;
  stroke: #000;
  stroke-width: 3px;
}

.fill {
  fill: #fff;
}

.graticule {
  fill: none;
  stroke: #777;
  stroke-width: .5px;
  stroke-opacity: .5;
}

.land {
  fill: #222;
}

.boundary {
  fill: none;
  stroke: #fff;
  stroke-width: .5px;
}

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script src="//d3js.org/d3.geo.projection.v0.min.js"></script>
<script src="//d3js.org/topojson.v1.min.js"></script>
<script>

var width = 960,
    height = 580;

var color = d3.scale.category10();

 var n = 12; // 12 sinusoidal sections
  var w = 360 / n;
  var northern = []
  var southern = []
  d3.range(n).forEach(function(i) {
    var north = [ ];
    var south = [ ];
    // left
    north.push([
      -180 + i * w, 
      0
    ]) 
    // top
    north.push([
      -180 + i * w + w/2,
      90
    ])
    // right
    north.push([
      -180 + i * w + w,
      0
    ])
    
    // left
    south.push([
      -180 + i * w, 
      0
    ]) 
    // top
    south.push([
      -180 + i * w + w/2,
      -90
    ])
    // right
    south.push([
      -180 + i * w + w,
      0
    ])
    northern.push(north)
    southern.push(south)
  })

  var projection = d3.geo.interrupt(d3.geo.sinusoidal.raw)
  .lobes([northern, southern])
      .rotate([0, 0])
      .scale(150)
      .translate([width / 2, height / 2])
      .precision(.1);

var path = d3.geo.path()
    .projection(projection);

var graticule = d3.geo.graticule();

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


  
var defs = svg.append("defs");

defs.append("path")
    .datum({type: "Sphere"})
    .attr("id", "sphere")
    .attr("d", path);

defs.append("clipPath")
    .attr("id", "clip")
  .append("use")
    .attr("xlink:href", "#sphere");

svg.append("use")
    .attr("class", "stroke")
    .attr("xlink:href", "#sphere");

svg.append("use")
    .attr("class", "fill")
    .attr("xlink:href", "#sphere");

svg.append("path")
    .datum(graticule)
    .attr("class", "graticule")
  .attr("clip-path", "url(#clip)")
    .attr("d", path);

d3.json("https://gist.githubusercontent.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-50m.json", function(error, world) {
  if (error) throw error;

  var countries = topojson.feature(world, world.objects.countries).features,
      neighbors = topojson.neighbors(world.objects.countries.geometries);

  svg.selectAll(".country")
      .data(countries)
    .enter().insert("path", ".graticule")
      .attr("class", "country")
      .attr("d", path)
        .attr("clip-path", "url(#clip)")
      .style("fill", function(d, i) { return color(d.color = d3.max(neighbors[i], function(n) { return countries[n].color; }) + 1 | 0); });

  svg.insert("path", ".graticule")
      .datum(topojson.mesh(world, world.objects.countries, function(a, b) { return a !== b; }))
      .attr("class", "boundary")
  .attr("clip-path", "url(#clip)")
      .attr("d", path);
});

d3.select(self.frameElement).style("height", height + "px");

</script>