Class SphMercProjection

Index

Constructors

Methods

getID getTile getTileFromLonLat project unproject

Constructors

constructor

new SphMercProjection(): SphMercProjection
Returns SphMercProjection

Methods

getID

getID(): string
Return the projection's ID.

Returns string
The value "epsg:3857".
- Defined in lib/sphmerc.ts:71

getTile

getTile(p: EastNorth, z: number): Tile
Obtains a tile from a given Spherical Mercator position and zoom.
Parameters
- p: EastNorth
  the Spherical Mercator position.
- z: number
  the zoom level.
Returns Tile
- Defined in lib/sphmerc.ts:50

getTileFromLonLat

getTileFromLonLat(lonLat: LonLat, z: number): Tile
Obtains a tile from a given lon/lat and zoom.
Parameters
- lonLat: LonLat
  the longitude/latitude.
- z: number
  the zoom level.
Returns Tile
- Defined in lib/sphmerc.ts:63

project

project(lonLat: LonLat): EastNorth
Project a longitude and latitude into Spherical Mercator.
Parameters
- lonLat: LonLat
  the longitude/latitude.
Returns EastNorth
the Spherical Mercator coordinates.
- Defined in lib/sphmerc.ts:13

unproject

unproject(projected: EastNorth): LonLat
Unproject Spherical Mercator into longitude/latitude.
Parameters
- projected: EastNorth
  the Spherical Mercator coordinates.
Returns LonLat
the longitude/latitude.
- Defined in lib/sphmerc.ts:22