tilebelt

simple tile utilities

install

npm install @mapbox/tilebelt

usage

var tilebelt = require('@mapbox/tilebelt');

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

console.log(tilebelt.tileToGeoJSON(tile));
console.log(tilebelt.getParent(tile));

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 3 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

tests

npm test

benchmarks

npm run bench