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A geodesic is the shortest path between two points on a curved surface; in this context applies to questions where the curved surface is the earth's surface.

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1 answer
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calculating bounding box from known centre coordinate and zoom

I have a map, the centre of that map (centrepoint) is = -37,175 ( gps) I know the zoom of the map = 13 I know the size = 320x320px I know there is 111111m in a degree of latitude and a varying degree …
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