In-Polyhedron Test Matlab addon that can detect points inside a manifold closed surface (even non convex ones).
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In-Polyhedron Test Tags

Test Tester convex planar figure convex convex hull polyhedron manifold triangle mesh Manifold Mushroom Matlab Addon Polyhedron Test Point Detection 2-manifold mesh 2-manifold display non-convex polyhedra convex polygon convex optimization simulate convex optical lenses convex lens simulation convex lens

In-Polyhedron Test Description

InPolyedron is a handy Matlab addon that detects points inside a manifold closed surface (even non convex ones). The normal orientation is assumed to be outwards. Warning there is no check for closed surface or normal orientation, open surfaces will give nonsense results. In the limit of numerical accuracy, points lying on the surface will be considered in. Input: p: points of the surface npx3 array t: triangles indexes, first points flagged as one, ntx3 array tnorm: outward normals of traingles, ntx3 array qp: points to be queried, nqx3 array Output: in: nqx1 logical vector, true for in, false for out

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