1d:{"title":"Spherical Voronoi","cells":[{"id":0,"value":"md`# Spherical Voronoi\n\nRef. [@fil/geo-delaunay](/@fil/geo-delaunay)\n
Ref. [@mbostock/spherical-fibonacci-lattice](/@mbostock/spherical-fibonacci-lattice)`","pinned":false,"hidden":false,"mode":"ojs"},{"id":22,"value":"viewof n = {\n const form = html``;\n form.i.oninput = () => {\n form.value = form.i.valueAsNumber;\n form.o.value = form.value.toLocaleString(\"en\");\n };\n form.i.oninput();\n return form;\n}","pinned":false,"hidden":false,"mode":"ojs"},{"id":28,"value":"chart = {\n const context = DOM.context2d(width, height);\n const path = d3.geoPath(projection, context).pointRadius(2.5);\n\n context.beginPath();\n path(graticule);\n context.lineWidth = 1;\n context.strokeStyle = \"#ccc\";\n context.stroke();\n\n context.beginPath();\n path(sphere);\n context.strokeStyle = \"#000\";\n context.stroke();\n\n context.beginPath();\n path(mesh);\n context.stroke();\n\n context.beginPath();\n path({type: \"MultiPoint\", coordinates: points});\n context.fillStyle = \"#f00\";\n context.fill();\n\n return context.canvas;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":56,"value":"projection = d3.geoOrthographic()\n .fitExtent([[1, 1], [width - 1, height - 1]], sphere)\n .rotate([0, -30])","pinned":true,"hidden":false,"mode":"ojs"},{"id":57,"value":"height = Math.min(width, 640)","pinned":true,"hidden":false,"mode":"ojs"},{"id":59,"value":"sphere = ({type: \"Sphere\"})","pinned":true,"hidden":false,"mode":"ojs"},{"id":62,"value":"graticule = d3.geoGraticule10()","pinned":true,"hidden":false,"mode":"ojs"},{"id":21,"value":"phi = (1 + Math.sqrt(5)) / 2","pinned":true,"hidden":false,"mode":"ojs"},{"id":17,"value":"points = Array.from({length: n}, (_, i) => [\n i / phi * 360 % 360, \n Math.acos(2 * i / n - 1) / Math.PI * 180 - 90\n])","pinned":true,"hidden":false,"mode":"ojs"},{"id":11,"value":"mesh = d3.geoVoronoi(points).cellMesh()","pinned":true,"hidden":false,"mode":"ojs"},{"id":7,"value":"d3 = require(\"d3-array@1\", \"d3-geo@1\", \"d3-geo-voronoi@1\")","pinned":true,"hidden":false,"mode":"ojs"}],"files":"$W1f","stdlib":"1"}