Wed, 04/16/2025 - 13:04
I'm new to OpenCascade. I have a vtkPolyData generated by drawing over an STL surface, where only the inner region of the drawn area is preserved (the outer portion is removed). Now, using this vtkPolyData as input, I want to create a thickened, solid (non-hollow) 3D object using OpenCascade. The resulting geometry should be completely filled inside, not just a shell or surface extrusion.
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Example of the desired solid thickening result: the inner volume is filled, not hollow.
Wed, 04/16/2025 - 13:24
Could you please specify your question. I assume you are having issue with VTK, not OCCT.
Wed, 04/16/2025 - 14:15
Actually I have a hollow STL i need to make it a solid model , that is, to fill the inside of the hollow stl
Wed, 04/16/2025 - 15:40
Your model is a mesh. OCCT do not provide algorithms on mesh as a part of open source. The mesh operations are commercial components, please check: Mesh Framework Component - OCCT3D
Sun, 04/20/2025 - 11:30
I guess you should write offset meshing algorithm instead of using solid thicken in OCC. After offset, the new mesh's topology is not changed, so you can bridge triangles between the inner mesh and outer mesh easily.
Mon, 04/21/2025 - 09:29
can you suggest which are the classes are essential for the execution