Fri, 02/28/2020 - 03:57
Forums:
I am migrating from an older version to 7.4.0. My prior version code loads a TopoDS_Shape from STEP, performs BRepMesh_IncrementalMesh and then used STLMesh to iterate over triangles, mapping g_Pnts and implied edges into an adjacency graph.
I can understand how to do this mapping with a Poly_Triangulation object. However, I can't seem to find anywhere in the documentation how to get the Poly_Triangulation handle of the TopoDS_Shape to get the process started.
What am I missing?
Fri, 02/28/2020 - 09:32
Hello James,
Poly_Triangulation objects are stored in TopoDS_Face objects that are nodes of the complete graph of topological entities that describes TopoDS_Shape object.
So you need to extract faces from your shape and retrieve triangulation from each of them.
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