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Paint surface grid 3d8/25/2023 The corresponding function in Open3D is called is_orientable. We also can test the triangle mesh, if it is orientable, i.e. the triangles can be oriented in such a way that all normals point towards the outside. The function is_watertight implements this check in Open3D. A watertight mesh can be defined as a mesh that is edge manifold, vertex manifold and not self intersecting. The function is_self_intersecting returns True if there exists a triangle in the mesh that is intersecting another mesh. Manifold if the star of the vertex is edge-manifold and edge-connected, e.g., two or more faces connected only by a vertex and not by an edge.Īnother property is the test of self-intersection. The function is_edge_manifold has the bool parameter allow_boundary_edges that defines if boundary edges should be allowed. A triangle mesh is edge manifold, if each edge is bounding either one or two triangles. One important property is the manifold property, where we can test the triangle mesh if it is edge manifold is_edge_manifold and if it is is_vertex_manifold. A triangle mesh has several properties that can be tested with Open3D.
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