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seen Aug 6 '12 at 19:14

comment Google Maps Ground Overlay: How to calculate bounds?
Yeah, but how do I get those corners? I know the exact coordinates of the center - that's just the center of the current destination of what I'm looking at inside google maps. But how do I get the corner-coordinates of a 50x50px image I want to center exactly on the coordinates I'm talking about. Is there a way to calculate the coordinates of the southwest and northeast corner when I know the center of the image and the dimensions of the image? I wonder how those coordinates and my pixel-values of the image are working together?