Published
Edited
Mar 14, 2022
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25 stars
Plot: Voronoi labelsDelaunay edge coloringDelaunay sub-graphsd3-delaunay@6 robustly releasedClip LloydSemi-square voronoiTP3: Power Diagram and Semi-Discrete Optimal TransportSpatial interpolation: Voronoi & Blur (code)Paths Delaunay hoverSelf-Organizing Maps meet DelaunayVoronoiMap2DHello, constrainautorThe Gray-Fuller spatial gridUnconnected Delaunay NeighborsLinde–Buzo–Gray stipplingLloyd’s relaxation on a graphManhattan Voronoi IIManhattan VoronoiGraph VoronoiWorld Cities UrquhartUK TricontoursGeo Voronoi interpolationSpherical contoursPetri dish bubblingd3-geo-voronoi and gridded dataDelaunay.findTriangleIris Voronoi 3The Voronoi projectionSouth Africa’s medial axisDirection to shoreDistance to shoret-SNE VoronoiMurphey Butterfly ProjectionAlpha shapes 3Alpha shapes 2So many countries’ VoronoisKruskal MazeOffscreen VoronoiGeo Mesh & fake pointsDrawing Voronoi with two.jsAlpha shapesSpherical VoronoiPerturbed Geodesic RainbowWorld Airports UrquhartSpherical Lloyds RelaxationAntarctica’s VoronoiWorld Airports VoronoiThe Urquhart graphGeo Delaunay
Polygon Triangulation
Also listed in…
Algorithms
polygon = d3.json(
`https://raw.githubusercontent.com/LingDong-/interesting-polygon-archive/master/json/${poly}.json`
)
positions = polygon.flat(1)
constrains = {
let z = 0;
return polygon
.map(function(ring, i) {
const c = ring.map((d, i) => [z + i, z + ((i + 1) % ring.length)]);
z += ring.length;
return c;
})
.flat();
}
constrained = {
const del = d3.Delaunay.from(positions);
const con = new Constrainautor(del._delaunator);
con.constrainAll(constrains);
return del;
}
function holedPolygonContains(polygon, c) {
return (
d3.polygonContains(polygon[0], c) &&
!polygon.slice(1).some(ring => d3.polygonContains(ring, c))
);
}
d3 = require("d3@7")
Constrainautor = require("@kninnug/constrainautor")
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