lonlat2tile ----------- Get the tilename of a geographic datum: lonlat2tile lon lat zoom Example: lonlat2tile 12.9 50.8 12 ==> 12_2194_1374 tile2lonlat ----------- Computes the geographic coordinates of a tile: tile2lonlat zoom xNumber yNumber Example: tile2lonlat 12 2194 1374 ==> 12.832031,50.792047,12.919922,50.847573 region2tiles ------------ Determines all needed tiles to cover a given region for the requested zoom level: region2tiles lon0 lat0 lon1 lat1 zoom Example: region2tiles 12.5 50.5 13.0 51.0 10 ==> 10_547_345 10_548_345 10_547_344 10_548_344 10_547_343 10_548_343 10_547_342 10_548_342 geodist ------- Distance between two geographic coordinates in kilometers with simple spheric formula and WGS84 ellipsoid formula: geodist lon0 lat0 lon1 lat1 Example: geodist 12.5 50.5 13.0 51.0 ==> Sphere: 65.781 WGS84: 65.871 tilesize -------- Size of a given tile in kilometers with simple spheric formula and WGS84 ellipsoid formula: tilesize zoom xNumber yNumber Example: tilesize 10 548 343 ==> Lower edge: Sphere: 24.737 WGS84: 24.818 Upper edge: Sphere: 24.620 WGS84: 24.701 Vertical: Sphere: 24.678 WGS84: 24.694 Diagonal: Sphere: 34.900 WGS84: 34.969
Alle hier bereitgestellten Programme unterliegen der BSD-Lizenz.
Jens Pönisch