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gfxnomad

Curvature Tensor Estimation

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Hello all, Does anyone know where I might be able to find a (free) library that can estimate the curvature tensor on the vertices of a triangular mesh. I'd like to avoid something as complicated as CGAL if at all possible. I can find a ton of literature describing different method... but as is too often the case in graphics... no code. Any help would be greatly appreciated. Cheers, Rob

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Check out trimesh2. It's GPL, and does a bunch of useful mesh operations including curvature estimation.

edit: Shout out to fellow UMD grad student :)

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Look at the source files Wm4MeshCurvature.{h,cpp} and PDF ("Mesh Differential Geometry") at my Meshes page. This gives you estimates of principal curvatures and principal directions from which you generate the curvature tensor.

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