Interrupted sinusoidal map: 9 lobes

Interrupted sinusoidal map, each hemisphere split in nine lobes.

D3 v4.

Inspired by Futuri's Interrupted Maps.

forked from mbostock's block: Interrupted Boggs Eumorphic

<!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="https://d3js.org/d3.v4.min.js"></script>
<script src="https://d3js.org/d3-geo-projection.v1.min.js"></script>
<script src="https://d3js.org/topojson.v2.min.js"></script>
<script>

var width = 960,
    height = 500;

var projection = d3.geoInterrupt(d3.geoSinusoidalRaw,
    [[ // northern hemisphere
      [[-180,   0], [-160,  90], [-140,   0]],
      [[-140,   0], [-120,  90], [-100,   0]],
      [[-100,   0], [ -80,  90], [ -60,   0]],
      [[ -60,   0], [ -40,  90], [ -20,   0]],
      [[ -20,   0], [   0,  90], [  20,   0]],
      [[  20,   0], [  40,  90], [  60,   0]],
      [[  60,   0], [  80,  90], [ 100,   0]],
      [[ 100,   0], [ 120,  90], [ 140,   0]],
      [[ 140,   0], [ 160,  90], [ 180,   0]]
    ], [ // southern hemisphere
      [[-180,   0], [-180, -90], [-160,   0]],
      [[-160,   0], [-140, -90], [-120,   0]],
      [[-120,   0], [-100, -90], [ -80,   0]],
      [[ -80,   0], [ -60, -90], [ -40,   0]],
      [[ -40,   0], [ -20, -90], [   0,   0]],
      [[   0,   0], [  20, -90], [  40,   0]],
      [[  40,   0], [  60, -90], [  80,   0]],
      [[  80,   0], [ 100, -90], [ 120,   0]],
      [[ 120,   0], [ 140, -90], [ 160,   0]],
      [[ 160,   0], [ 180, -90], [ 180,   0]]
    ]])
    .scale(116)
    .translate([width / 2, height / 2])
    .precision(.1);

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

var graticule = d3.geoGraticule();

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;

svg.insert("path", ".graticule")
      .datum(topojson.feature(world, world.objects.land))
      .attr("class", "land")
      .attr("clip-path", "url(#clip)")
      .attr("d", path);

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>

https://d3js.org/d3.v4.min.js

https://d3js.org/d3-geo-projection.v1.min.js

https://d3js.org/topojson.v2.min.js