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meteors
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| </style> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| <script src="https://unpkg.com/topojson-client@3"></script> | |
| <body> | |
| <svg width="960" height="600"></svg> | |
| <script> | |
| var us = d3.json('us.json'); | |
| var meteoriteData = d3.json('https://raw.githubusercontent.com/FreeCodeCamp/ProjectReferenceData/master/meteorite-strike-data.json'); | |
| var svg = d3.select("svg") | |
| .style("width", "960px") | |
| .style("height", "600px"); | |
| var projection = d3.geoAlbersUsa(); | |
| var path = d3.geoPath().projection(projection); | |
| Promise.all([us, meteoriteData]).then(function (values) { | |
| var map = values[0]; | |
| console.log("map", map); | |
| var meteoriteData = values[1]; | |
| console.log("meteoriteData", meteoriteData); | |
| svg.append("g") | |
| .attr("fill", "#ccc") | |
| .selectAll("path") | |
| .data(topojson.feature(map, map.objects.states).features) | |
| .enter().append("path") | |
| .attr("d", path), | |
| svg.append("path") | |
| .datum(topojson.mesh(map, map.objects.states, (a, b) => a !== b)) | |
| .attr("fill", "none") | |
| .attr("stroke", "white") | |
| .attr("stroke-linejoin", "round") | |
| .attr("pointer-events", "none") | |
| .attr("d", path), | |
| svg.selectAll("circle") | |
| .data(meteoriteData.features.filter(function(d) { | |
| return d.geometry && d.geometry.coordinates && projection(d.geometry.coordinates); | |
| })) | |
| .enter() | |
| .append("circle") | |
| .attr("class", "circles") | |
| .attr("r", 2) | |
| .attr("cx", function(d) { return projection(d.geometry.coordinates)[0]; }) | |
| .attr("cy", function(d) { return projection(d.geometry.coordinates)[1]; }) | |
| }); | |
| </script> |
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