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Kelly G

decomposition of model to convex parts

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Kelly G    358
Does anyone know of a procedural way of decomposing a mesh into the smallest possible number of purely-convex components? Let's assume the mesh is a smooth, continuous surface.

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Dave Eberly    1173
Decomposition is a very hard problem, one that is usually better solved by introducing new vertices/edges into the mesh. Getting the minimum number is even harder. In 2D, the problem of decomposing a polygon into a minimum number of convex polygons itself is complicated. Do a Google search on "3D convex decomposition" to get an idea of what folks have tried.

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Rompa    307
Check out John Ratcliff's page at http://codesuppository.blogspot.com/, as it has convex decomposition code available.

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