1d:{"title":"D3 world map","cells":[{"id":0,"value":"# D3 world map","pinned":false,"hidden":false,"mode":"md"},{"id":29,"value":"map = htl.html``","pinned":true,"hidden":false,"mode":"ojs"},{"id":4,"value":"projection = d3.geoEqualEarth()","pinned":true,"hidden":false,"mode":"ojs"},{"id":86,"value":"Many other projections are available. [Browse them here](https://observablehq.com/collection/@d3/d3-geo-projection).","pinned":false,"hidden":false,"mode":"md"},{"id":40,"value":"path = d3.geoPath(projection)","pinned":true,"hidden":false,"mode":"ojs"},{"id":25,"value":"height = {\n const [[x0, y0], [x1, y1]] = d3.geoPath(projection.fitWidth(width, outline)).bounds(outline);\n const dy = Math.ceil(y1 - y0), l = Math.min(Math.ceil(x1 - x0), dy);\n projection.scale(projection.scale() * (l - 1) / l).precision(0.2);\n return dy;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":22,"value":"outline = ({type: \"Sphere\"})","pinned":true,"hidden":false,"mode":"ojs"},{"id":114,"value":"graticule = d3.geoGraticule10()","pinned":true,"hidden":false,"mode":"ojs"},{"id":16,"value":"land = topojson.feature(world, world.objects.land)","pinned":true,"hidden":false,"mode":"ojs"},{"id":105,"value":"borders = topojson.mesh(world, world.objects.countries, (a, b) => a !== b)","pinned":true,"hidden":false,"mode":"ojs"},{"id":13,"value":"world = FileAttachment(\"countries-50m.json\").json()","pinned":true,"hidden":false,"mode":"ojs"}],"files":"$W1f","stdlib":"1"}