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I'm trying edit a polygon by changing the length of some lines by code. Found this method to calculate based on the bearing.

But I didn't find anything on how to calculate the bearing, before I start research my math notes and code this bearing calculation, any recomendations ?


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Could you elaborate on what you are trying to accomplish and how the link applies to what you are doing? I'm not clear on whether you are creating new polygons or editing existing ones. –  Jay Guarneri Mar 28 '13 at 19:16
editing existing ones. –  hamilton.lima Mar 29 '13 at 0:02

1 Answer 1

found this : Calculate bearing between two decimal GPS coordinates

that solves the calculate the bearing question !!

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