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Smallest bounding geometry of an object or group of objects using concave angles. Also known as an alpha hull or shape.

6 votes

How to find the concave hull for a cloud of points in 3D space?

A convex hull is unique, whereas there are many possible concave hulls. So you cannot say "the concave hull" but "a concave hull". There is possibly a minimal volume concave hull, but this is not the …
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