Area of a irregular shape

Posted by Naveen on Stack Overflow See other posts from Stack Overflow or by Naveen
Published on 2010-03-31T13:12:04Z Indexed on 2010/03/31 13:13 UTC
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I have set of points which lies on the image. These set of points form a irregular closed shape. I need to find the area of this shape. Does any body which is the normal algorithm used for calculating the area ? Or is there any support available in libraries such as boost? I am using C++.

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