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codeslasher

Calculating the frame of any closed Polygons

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I don't know how to calculate the "frame" of any closed polygon. I do not mean calculating a simple bounding box or so but calculating the polygon which encloses the outer borders of my given polygon (a set of vertices). "Frame" does not mean convex hull because a polygon can also be convex. "Frame" means the "outer border - hull". [edited by - codeslasher on December 26, 2002 12:04:08 PM]

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Although I''m not exactly sure what you mean by ''frame'', I guess you want the convex hull of a vertex set. You might want to Google for "convex hull". There are tons of resources available, as it is a standard geometric algorithm.

/ Yann

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