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Web and WebWorks Development

New Developer
Posts: 10
Registered: ‎12-17-2008
My Device: Not Specified

Blackberry Map - Tiles overlay question

I have some custom tiles that I have created that overlay nicely in google maps.  These tiles are 256x256 png's.   I looked at the ExtendedMapField example and it's pretty much what I want to do.  Which is take a .png and draw it over blackberry maps.  However, I'm struggling with the blackberry maps coordinate projection.  For google maps there are 256 x 256  tiles where the number of tiles are 4^n.  Does any one know the format of the blackberry maps tiles?