@mapbox/tilebelt
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2.0.2 • Public • Published

tilebelt

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simple tile utilities

install

npm install @mapbox/tilebelt

usage

import * as tilebelt from '@mapbox/tilebelt';

const tile = [10, 15, 8] // x,y,z

tilebelt.tileToGeoJSON(tile);
// {
//   "type": "Polygon",
//   "coordinates": [
//     [
//       [ -165.9375, 82.8533822917608 ],
//       [ -165.9375, 82.67628497834903 ],
//       [ -164.53125, 82.67628497834903 ],
//       [ -164.53125, 82.8533822917608 ],
//       [ -165.9375, 82.8533822917608 ]
//     ]
//   ]
// }

tilebelt.getParent(tile);
// [ 5, 7, 7 ]

features

function description
tileToGeoJSON(tile) get a geojson representation of a tile
tileToBBOX(tile) get the bbox of a tile
bboxToTile(bbox) get the smallest tile to cover a bbox
getChildren(tile) get the 4 tiles one zoom level higher
getParent(tile) get the tile one zoom level lower
getSiblings(tile) get the 4 sibling tiles for a tile
hasSiblings(tiles, tile) check to see if an array of tiles contains a tiles siblings
hasTile(tiles, tile) check to see if an array of tiles contains a particular tile
tilesEqual(tile1, tile2) check to see if two tiles are the same
tileToQuadkey(tile) get the quadkey for a tile
quadkeyToTile(quadkey) get the tile for a quadkey
pointToTile(lon, lat, zoom) get the tile for a point at a specified zoom level
pointToTileFraction(lon, lat, zoom) get the precise fractional tile location for a point at a zoom level

developing

npm ci          # install deps
npm test        # tests
npm run bench   # run benchmarks
npm run format  # format using prettier

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Install

npm i @mapbox/tilebelt

Weekly Downloads

22,609

Version

2.0.2

License

MIT

Unpacked Size

52.2 kB

Total Files

9

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