Point2D angles


o angle
return the angle (in radian) of a line (P1,P2) with the horizontal in P1
o angle
return the angle (in radian) of 2 lines (P0,P1) and (P0,P2)
Author:
Dan Sunday (http://www.softsurfer.com/)
Version:
2.0 Wed 28 Jun 2006 05:19:32 PM CEST
Since:
1.0

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