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| <!DOCTYPE html> | |
| <svg width="960" height="600" fill="none" stroke="#000" stroke-linejoin="round" stroke-linecap="round"></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://unpkg.com/topojson-client@3"></script> | |
| <script> | |
| var svg = d3.select("svg"); | |
| var path = d3.geoPath(); | |
| d3.json("projected.topojson", function(projected) { | |
| d3.json("unprojected.topojson", function(unprojected) { | |
| svg.append("path") | |
| .attr("d", path(topojson.feature(projected, projected.objects.nation))); | |
| var projection = d3.geoAlbersUsa(); | |
| var scale = projection.scale() * 6 / 5; | |
| projection.scale(scale).translate([960/2,600/2]) | |
| var projectedPath = d3.geoPath().projection(projection); | |
| svg.append("path") | |
| .attr("d", projectedPath(topojson.feature(unprojected, unprojected.objects.nation))); | |
| }); | |
| }); | |
| </script> |
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