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index4.html
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<!DOCTYPE html>
<html>
<head>
<title>d3.geoInterruptedMollweideHemispheres</title>
<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: #333;
stroke-width: .5px;
}
</style>
</head>
<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 = 1000,
height = 1000;
//var projection = d3.geo.interrupt(d3.geo.mollweide.raw)
//// nice split
//// .lobes([[ // northern hemisphere
//// [[-180, 0], [-100, 90], [ -40, 0]],
//// [[ -40, 0], [ 30, 90], [ 180, 0]]
//// ], [ // southern hemisphere
//// [[-180, 0], [-160, -90], [-100, 0]],
//// [[-100, 0], [ -60, -90], [ -20, 0]],
//// [[ -20, 0], [ 20, -90], [ 80, 0]],
//// [[ 80, 0], [ 140, -90], [ 180, 0]]
//// ]])
//
//// RANDOM testing
//// .lobes([[ // northern hemisphere
//// [[-150, 20], [ -120, 90], [ -30, 20]],
//// [[ 0, 0], [ 90, 90], [ 180, 0]]
//// ], [ // southern hemisphere
//// [[-150, 20], [ -90, -90], [ -30, 20]],
//// [[ 0, 0], [ 90, -90], [ 180, 0]]
//// ]])
//
//// west and east hemispheres
// .lobes([[ // northern hemisphere
// [[-180, 0], [ -90, 90], [ 0, 0]],
// [[ 0, 0], [ 90, 90], [ 180, 0]]
// ], [ // southern hemisphere
// [[-180, 0], [ -90, -90], [ 0, 0]],
// [[ 0, 0], [ 90, -90], [ 180, 0]]
// ]])
// .rotate([-108, 0])
// .scale(165)
// .translate([width / 2, height / 2])
// .precision(.1);
// North America and greenland 100, -51, clip 40
//var projection = d3.geo.airy()
// .rotate([100, -51])
// .scale(400)
// .translate([width / 2, height / 2])
// .precision(.1)
// .clipAngle(40);
//console.log(projection([-80, 61]));
//console.log(projection([-60, 41]));
//console.log(projection([-60, 61]));
//console.log(projection([-80, 41]));
function andrewComposite(coordinates) {
var x = coordinates[0], y = coordinates[1];
//north-america (greenland), south-america, africa, europe, asia, australia, antarctica
}
var projection = d3.geo.airy()
.rotate([103, -52])
.scale(800)
.translate([width / 2, height / 2])
.precision(.1)
.clipAngle(40);
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://www1.ncdc.noaa.gov/pub/data/nidis/geojson/global/base/worldboundary.geojson", 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)")
//});
// Load map data
d3.json('https://www1.ncdc.noaa.gov/pub/data/nidis/geojson/global/base/world.geojson', function(error, mapData) {
var features = mapData.features;
// Draw each province as a path
svg.selectAll('path')
.data(features)
.enter().append('path', '.graticule')
.attr('d', path)
.attr("clip-path", "url(#clip)")
.attr('class', 'boundary');
});
d3.select(self.frameElement).style("height", height + "px");
</script>
</body>
</html>