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demoD3
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| license: mit |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://d3js.org/d3-geo-projection.v2.min.js"></script> | |
| <style> | |
| body { | |
| margin: 0; | |
| position:fixed; | |
| top:0; | |
| right:0; | |
| bottom:0; | |
| left:0; | |
| } | |
| path { | |
| fill: none; | |
| stroke: black; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| pyongyang = [125.75, 39.03] | |
| washington = [-77.01, 38.89] | |
| portee = d3.geoCircle().radius(6700 * 360 / ( 2 * Math.PI * 6371)) | |
| .center(pyongyang)() | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", 960) | |
| .attr("height", 500) | |
| // Projections : TwoPointEquidistant, Equirectangular, Orthographic, Larrivee, Armadillo | |
| projection = d3.geoEquirectangular() | |
| // .points(pyongyang,washington) | |
| .rotate([180,0]) | |
| path = d3.geoPath(projection) | |
| svg.append("path") | |
| .attr("d", path({ type: "Sphere"}) ) | |
| d3.json("https://rawgit.com/visionscarto/some-geo-data/master/ne_110m_admin_0_countries/countries.geojson", | |
| function(err, continents) { | |
| svg.append("path") | |
| .attr("d", path(continents) ) | |
| .style("fill", "#ddd") | |
| svg.append("path") | |
| .attr("d", path(portee) ) | |
| .style("fill", "rgba(255,0,0,0.5)") | |
| svg.append("path") | |
| .attr("d", path({type: "Point", coordinates: pyongyang}) ) | |
| .style("fill", "red") | |
| svg.append("path") | |
| .attr("d", path({type: "Point", coordinates: washington}) ) | |
| .style("fill", "red") | |
| svg.append("path") | |
| .attr("d", path({type: "LineString", coordinates: [pyongyang, washington]}) ) | |
| .style("stroke", "red") | |
| } | |
| ) | |
| </script> | |
| </body> |
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