### Slippy map tilenames - OpenStreetMap Wiki

wiki.openstreetmap.org

eg in Python:

#### Tile numbers to lon./lat.

import mathdef num2deg(xtile, ytile, zoom):

n = 2.0 ** zoom

lon_deg = xtile / n * 360.0 - 180.0

lat_rad = math.atan(math.sinh(math.pi * (1 - 2 * ytile / n)))

lat_deg = math.degrees(lat_rad)

return (lat_deg, lon_deg)

But so far been unable to translate this to B4A to the the right results.

Any suggestions?

RBS