The sinusoidal projection is available as d3.geo.sinusoidal in the geo.projection D3 plugin.
forked from mbostock's block: Interrupted Sinusoidal
Last active
May 22, 2016 19:09
-
-
Save enjalot/251b9b6255b9087a25dde02d64ed3724 to your computer and use it in GitHub Desktop.
Interrupted Sinusoidal: 12 lobes
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| license: gpl-3.0 |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| background: #fcfcfa; | |
| } | |
| .stroke { | |
| fill: none; | |
| stroke: #000; | |
| stroke-width: 1px; | |
| } | |
| .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 = 500; | |
| 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]) | |
| /* | |
| .lobes([ | |
| [ // northern hemisphere | |
| [[-180, 0], [-100, 90], [ -40, 0]], | |
| [[ -40, 0], [ 0, 90], [ 40, 0]], | |
| [[ 40, 0], [ 100, 90], [ 180, 0]] | |
| ], | |
| [ // southern hemisphere | |
| [[-180, 0], [-100, -90], [ -40, 0]], | |
| [[ -40, 0], [ 0, -90], [ 40, 0]], | |
| [[ 40, 0], [ 100, -90], [ 180, 0]] | |
| ] | |
| ]) | |
| */ | |
| .rotate([0, 0]) | |
| .scale(150) | |
| .translate([width / 2, height / 2]) | |
| .precision(.1); | |
| var graticule = d3.geo.graticule(); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| 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); | |
| }); | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment