Generate Normal Data for All Meshes of 3D Model
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Aspose.3D for Java API has support of generating normal data for all meshes of 3D model (without the normal data).
Generate Normal Data for All Meshes of 3DS Model
The generateNormal 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.