Generate Normal Data for All Meshes in a 3D File
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Using Aspose.3D for Python via .NET, developers can generate normal data for all meshes in any 3D model (without the normal data).
Generate Normal Data for All Meshes in a 3DS File
The generate_normal method exposed by the PolygonModifier class can be used to generate normal data for all meshes in a 3DS file. If VertexElementSmoothingGroup element was defined in the mesh, the generated normal data will get smoothed by the VertexElementSmoothingGroup.
Programming Sample
This code example loads a 3DS file, visit all nodes and create normal data for all meshes.