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I'm working on some data that'll require a geometry code. Essentially, the data is composed of a number of randomly sized circles on a flat surface. I have to see how much overlap is there and the thickness of overlap: 
Subject: Overlapping Circular Area Problem From: David Young Date: 14 Apr, 2010 17:54:04 Message: 2 of 8 
In what form is the input? That is, how are the circles specified? For example, are you starting from some kind of image? 
Subject: Overlapping Circular Area Problem From: ImageAnalyst Date: 14 Apr, 2010 18:46:05 Message: 3 of 8 
Unless your circles are somewhat transparent, it could be difficult to 
"David Young" <d.s.young.notthisbit@sussex.ac.uk> wrote in message <hq4vfs$nbd$1@fred.mathworks.com>... 
ImageAnalyst <imageanalyst@mailinator.com> wrote in message <07e27f972a22442fa4a46001405bba3c@g11g2000yqe.googlegroups.com>... 
Subject: Overlapping Circular Area Problem From: John D'Errico Date: 14 Apr, 2010 19:54:04 Message: 6 of 8 
"Shen " <shenge86@yahoo.com> wrote in message <hq53l2$5mj$1@fred.mathworks.com>... 
Subject: Overlapping Circular Area Problem From: Roger Stafford Date: 14 Apr, 2010 22:54:03 Message: 7 of 8 
"Shen " <shenge86@yahoo.com> wrote in message <hq4sv9$er3$1@fred.mathworks.com>... 
Subject: Overlapping Circular Area Problem From: David Young Date: 15 Apr, 2010 09:23:04 Message: 8 of 8 
A lot depends on the accuracy you need. If you want to get the maximum possible precision, then you will need to develop what Roger Stafford has given above  which looks to me like quite a big programming effort as well as requiring a lot of computational resources for many circles. 
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