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Oct 16, 2022
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H3 Tutorial: Intro to h3-js (v4)Surface construction with H3H3 PathfindingH3 Tutorial: Rendering HexagonsH3 Tutorial: Using Point LayersH3 Tutorial: Suitability AnalysisH3 Radius Lookup"Flat" H3 Grid via Gnomonic ProjectionH3 Index InspectorShape simplification with H3H3 Indexes: Cartesian vs SphericalH3 Continuous ElevationArea VariationIndexing OrderH3 Mapbox Style Heat MapH3 Deck.gl Heat MapH3 Hierarchical (Non)ContainmentH3 Index Bit LayoutH3 Adaptive GridCell counts per countryIndexing Polygons With H3Privacy-Preserving Spatial Indexing with H3
H3 Tutorial: Intro to h3-js (v3)
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H3 Tutorials
// Index a lat/lng point to an H3 index
h3.geoToH3(20, 123, 2)
// Get the center of an H3 index as a lat/lng point
h3.h3ToGeo("8928342e20fffff")
// Get the vertices of an H3 index as lat/lng points
h3.h3ToGeoBoundary("8928342e20fffff")
// Get the children of an H3 index at the given (finer) resolution
h3.h3ToChildren("8928342e20fffff", 10)
// Get the parent of an H3 index at the given (coarser) resolution
h3.h3ToParent("8928342e20fffff", 7)
// Find all H3 indexes within a given distance from the origin (filled ring)
h3.kRing("8728342e2ffffff", 1)
// Find all H3 indexes a specific distance from the origin (hollow ring)
h3.hexRing("8728342e2ffffff", 1)
// Get the distance in grid cells between two H3 indexes
h3.h3Distance("8728342e6ffffff", "8728342c4ffffff")
// Get all H3 indexes within a geographic polygon
h3.polyfill([[[37,-122], [36, -121], [36, -123]]], 5)
// Get the multipolygon (array of polygons) for a set of H3 indexes
h3.h3SetToMultiPolygon(["85291a6ffffffff", "85291a6bfffffff", "852834d3fffffff"])
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