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Transposing movement points between a perspective camera and a mercator (isomorphic) map view

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I’m wrestling with a question about whether I can take a perspective camera with movement points and transpose them onto a mercator map. I don't know if this is even possible without a 3D camera. As far as I can tell, a homography transformation could work, or a distance calculation for the points in the picture: ![image description](/upfiles/1474322294777085.jpg) Can I map the tracking XY coordinates to a mercator view of the same street corner, assuming I can calculate the distance to the point by determining the height of the camera relative to the street corner and the focus point of the lens? ![C:\fakepath\map.jpg](/upfiles/14743226223037022.jpg) I'm looking for a general purpose strategy and/or algorithm that can serve as a starting point.

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