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Satellite Projection
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| license: gpl-3.0 | |
| redirect: https://observablehq.com/@d3/satellite |
This file contains 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.
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .graticule { | |
| fill: none; | |
| stroke: #777; | |
| } | |
| .boundary { | |
| fill: #ccc; | |
| fill-opacity: .8; | |
| stroke: #000; | |
| } | |
| </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 = 960; | |
| var projection = d3.geo.satellite() | |
| .distance(1.1) | |
| .scale(5500) | |
| .rotate([76.00, -34.50, 32.12]) | |
| .center([-2, 5]) | |
| .tilt(25) | |
| .clipAngle(Math.acos(1 / 1.1) * 180 / Math.PI - 1e-6) | |
| .precision(.1); | |
| var graticule = d3.geo.graticule() | |
| .extent([[-93, 27], [-47 + 1e-6, 57 + 1e-6]]) | |
| .step([3, 3]); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.append("path") | |
| .datum(graticule) | |
| .attr("class", "graticule") | |
| .attr("d", path); | |
| d3.json("/mbostock/raw/4090846/us-land.json", function(error, us) { | |
| if (error) throw error; | |
| svg.append("path") | |
| .datum(topojson.feature(us, us.objects.land)) | |
| .attr("class", "boundary") | |
| .attr("d", path); | |
| }); | |
| d3.select(self.frameElement).style("height", height + "px"); | |
| </script> |
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