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Re: [cgal-discuss] CGAL exception while reading CNOFF file


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  • From: "J. Scheurich" <>
  • To:
  • Subject: Re: [cgal-discuss] CGAL exception while reading CNOFF file
  • Date: Fri, 31 Jan 2020 10:45:39 +0100
  • Authentication-results: mail2-smtp-roc.national.inria.fr; spf=None ; spf=Pass ; spf=None
  • Ironport-phdr: 9a23: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


Your input file is not following the standard, that is why it crashes
in CGAL.

I found a COFF file in the internet:

https://people.sc.fsu.edu/~jburkardt/data/off/vertcube.off

This loads in meshlab and shows colors but it fails to be read with CGAL
in the following lines:

>
>      if (!input || !(input >> *mesh)) {
>          perror(filename);
>      }
....
>
>      for (SurfaceMesh::Vertex_index vi : mesh->vertices()) {
>          verts.push_back(mesh->point(vi));
>          if (colorExists )
>              cols.push_back(vcolors[vi]);
>      }


Empty loop (found with  gdb).

so long
MUFTI



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