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edited Jan 5, 2018 at 5:53

Calculating a point Lat/Lon from another Lat/Lon point angle

I need to make an algorithm:

enter image description here :

I have a point O center of a circle of radius r, on this circle there is two point P1 and P2.

I want to know the latitude and longitude of point P2 on the same circle, I know the angle a in degrees between the line OP1 and OP2.

How to solve this problem?

The gps points O,P1 and P2 are situated in the south of France.

asked Feb 16, 2015 at 9:56