Hi everyone, 
I can't use the dynamic maps from google because i'm using marmalade. So i 
wanted to simulate that by loading a new image each time when the user 
scrolls 'out of' the screen. To do that i need to calculate the 
longitude&latitude of a point at the static map (for example the left top 
corner). 
I have this information:

   - zoomlevel
   - image size (static map)
   - longitude/latitude of the center from the map
   
I tried to calculate the worldcoordinates with mercators formules. After 
that the pixelcoordinates (pixelcoord = worldcoord * 2^zoomlevel) and 
then subtract the image height/2 of the pixelcoordinates and calculate back 
to find the latitude, but i get a number that's not correct (i checked the 
position on google maps).
I hope someone can help me, or get me a better idea to simulate dynamic 
maps. 

Regards,
Linsy

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