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- From: Claus Volko <>
- To:
- Subject: Re: [cgal-discuss] Converting Google Maps HD meshes
- Date: Mon, 28 Aug 2023 08:28:31 +0200
- Authentication-results: mail3-smtp-sop.national.inria.fr; spf=None ; spf=Pass ; spf=None
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Yes, I uploaded it to: http://www.21stcenturyheadlines.com/temp/Scene_obj.zip
Am Mo., 28. Aug. 2023 um 08:06 Uhr schrieb Sebastien Loriot <>:
Could you share such an obj file that CGAL cannot open?
Thanks,
Sebastien.
On 8/27/23 17:03, Claus Volko ( via cgal-discuss
Mailing List) wrote:
> We are trying to make OBJ files saved from Google Maps HD compatible
> with CGAL 5.6 for Shape Detection (Region Growing). On opening the OBJ
> file I get an error message that does not explain what is wrong, but
> after converting to OFF it is more verbose:
>
> CGAL::Polyhedron_incremental_builder_3<HDS>::
> lookup_halfedge(): input error: facet 49 shares a halfedge from vertex
> 145 to vertex 146 with facet 48.
>
> Polyhedron_scan_OFF<Traits>::
> operator()(): input error: facet 50 has fewer than 3 vertices.
> ERROR: cannot read the input file!
>
> I wrote a short program in C# that should fix the problem (attached).
> However, the result is a file that is somewhat degenerated: the number
> of planes is equal to the number of faces. This cannot be used.
>
> Does anybody have an idea how else this could be fixed?
>
> --
> Dipl.-Ing. Dr. Claus D. Volko, BSc
> http://www.cdvolko.net/ <http://www.cdvolko.net/>
>
>
>
>
> --
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- [cgal-discuss] Converting Google Maps HD meshes, Claus Volko, 08/27/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Sebastien Loriot, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Claus Volko, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Sebastien Loriot, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Claus Volko, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Sebastien Loriot, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Claus Volko, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Sebastien Loriot, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Claus Volko, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Claus Volko, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Sebastien Loriot, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Claus Volko, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Sebastien Loriot, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Claus Volko, 08/28/2023
- Re: [cgal-discuss] Converting Google Maps HD meshes, Sebastien Loriot, 08/28/2023
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