Interrupted Homolosine Oceans

Reproducing the projection from National Geographic’s feature See Human Impact in an X-Ray of the Ocean, April 2017.

This ocean-centric aspect of the "Goode Homolosine" projection was developed by John Paul Goode.

See also Interrupted Mollweide Oceans.

Forked from mbostock's block: Interrupted Homolosine

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  stroke-width: 3px;
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  stroke-opacity: 0.5;
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.land {
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<svg width="960" height="484"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://d3js.org/d3-geo-projection.v2.min.js"></script>
<script src="https://d3js.org/topojson.v1.min.js"></script>
<script>

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

var lobes = [
  [
    [[-180,   0], [-130,  90], [ -90,   0]],
    [[ -90,   0], [  -30,  90], [ 60,   0]],
    [[ 60,   0], [  120,  90], [ 180,   0]],
  ],
  [
    [[-180,   0], [-120, -90], [-60,   0]],
    [[ -60,   0], [  20, -90], [  100,   0]],
    [[  100,   0], [ 140, -90], [ 180,   0]]
  ]
];
var projection = d3.geoInterrupt(d3.geoHomolosineRaw, lobes)
    .rotate([-200, 0])
    .fitExtent([[10,10], [width-30, height-10]], {type: "Sphere"});

var graticule = d3.geoGraticule();

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

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

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

var marker = svg.append("path")
  .attr("fill", "red")

svg.on('mousemove', function() {
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  marker.attr("d", path({type:"Point", coordinates: projection.invert(mouse)}));
});

d3.json("https://gist.githubusercontent.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-50m.json", function(error, world) {
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svg.insert("path", ".graticule")
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      .attr("clip-path", "url(#clip)")
      .attr("d", path);
});

</script>

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

https://d3js.org/d3-geo-projection.v2.min.js

https://d3js.org/topojson.v1.min.js