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[Chris <>]

I want to find a data structure in CGAL that can represent orientable
2-manifolds triangle mesh.

I mean i can conveniently construct a triangle mesh through inserting
vertices , and the data structure

can maintain the validity of the mesh. I have already known that Polyhedral
can represent orientable 

2-manifolds surface well , but I prefer to find a data structure like 3D
Triangulations , I find the definition

of SurfaceMeshComplex_2InTriangulation_3  in cgal manual  "The concept 

SurfaceMeshComplex_2InTriangulation_3 is 

particularly suited to handle surface meshes obtained as the restriction to
a surface of a three dimensional 

Delaunay triangulation" , so I can't use it directly 

Does anyone know or meet this problem before?

Thanks and best regards!

Chris




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