The new version of es-atlas will incorporate the option to preproject the TopoJSON's. With this option a new object is included within the TopoJSON that lets you to draw a composition border for the Canary Islands as usual in this kind of maps.
Last active
October 19, 2019 11:15
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New composite border in es-atlas
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| border:none | |
| height:696 | |
| license:MIT |
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| <!DOCTYPE html> | |
| <script src="https://unpkg.com/d3-composite-projections"></script> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| <script src="https://d3js.org/topojson.v3.min.js"></script> | |
| <svg></svg> | |
| <script> | |
| const margin = { top: 20, right: 20, bottom: 20, left: 20 }, | |
| width = window.innerWidth - margin.left - margin.right, | |
| height = width * 0.8 - margin.top - margin.bottom; | |
| const svg = d3 | |
| .select("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| d3.json("municipalities.json") | |
| .then(es => { | |
| const projection = d3 | |
| .geoIdentity() | |
| .reflectY(false) | |
| .fitSize( | |
| [width - margin.left - margin.right, height], | |
| topojson.feature(es, es.objects.border) | |
| ); | |
| const path = d3.geoPath(projection); | |
| svg | |
| .datum(topojson.feature(es, es.objects.municipalities)) | |
| .append("path") | |
| .attr("fill", "none") | |
| .attr("stroke", "black") | |
| .attr("d", path); | |
| svg | |
| .append("path") | |
| .datum(topojson.feature(es, es.objects.composite_border)) | |
| .attr("d", d => path(d)) | |
| .attr("fill", "none") | |
| .attr("stroke", "black"); | |
| }) | |
| .catch(err => console.warn(err)); | |
| </script> |
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