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January 16, 2018 03:27
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D3v4 Map with Zoom
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| license: mit |
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.
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.js"></script> | |
| <script src="https://d3js.org/topojson.v2.min.js"></script> | |
| <style> | |
| body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
| svg { width:100%; height: 100% } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var width = 900; | |
| var height = 500; | |
| var svg = d3.select("body").append("svg") | |
| .call(d3.zoom().on("zoom", function () { | |
| svg.attr("transform", d3.event.transform) | |
| })) | |
| .append("g"); | |
| var projection = d3.geoMercator(); | |
| var path = d3.geoPath().projection(projection); | |
| var url = "https://gist.githubusercontent.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/world-50m.json"; | |
| d3.json(url, function(error, world) { | |
| if (error) throw error; | |
| svg.selectAll("path") | |
| .data(topojson.feature(world, world.objects.countries).features) | |
| .enter().append("path") | |
| .attr("d", path); | |
| }); | |
| </script> | |
| </body> |
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