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["hossan.nazmul" <>]

Hello Sebastien, 
Can you please have a look at my data.  CityGML_LoD2_building.gml
<http://cgal-discuss.949826.n4.nabble.com/file/n4662730/CityGML_LoD2_building.gml>
  

My goal is to store this CityGML building geometry into a CGAL Halfedge Data
Structure so that I can do some geometric operations. According to your
suggestion, I am trying to use CGAL Surface_mesh to store the geometries
according to vertices and faces. I can add vertices but I can not add
vertices into that particular face. I tried with *add_face* function: e.g.
{mesh.add_face(point1, point2, point3);} and 
{vertex_range range=mesh.vertices(); face_descriptor
face=mesh.add_face(range);} 
but If you see my data, you will see that it has 7 different faces and the
number of points in each face is not always same. I would like to add
exactly those vertices into faces from the dataset. My question is, how can
I add these arbitrary vertices into 7 different faces. or any idea how do I
do that in CGAL? 

Thank you so much for your time.

Best,
Nazmul 




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