CGAL users discussion list

[Maxime Gimeno <>]

Hello,

you can use this function.

Regards, 

Maxime Gimeno

Le ven. 29 janv. 2021 à 22:40, Tony Apicella <> a écrit :

I can now save and load the C3T3 using the >> and << operators.

But for the next operation, which is co-refine and union, is there a way to 

convert the C3T3 to a SurfaceMesh<K::Point3>?

Thank you

---

From: <> on behalf of Maxime Gimeno <>
Sent: Wednesday, January 27, 2021 2:28 AM
To: <>
Subject: Re: [cgal-discuss] Help to read a mesh written with output_to_medit.

 

The Mesh_complex_3_in_triangulation_3 class has an `operator>>` that
loads from medit into its internal triangulation, and then calls
`rescan_after_load_of_triangulation()`, which makes medit the default
format for the c3t3. Having it losing some information doesn't change
that.

Le mer. 27 janv. 2021 à 11:04, Laurent Rineau
<> a écrit :
>
> On 1/27/21 9:01 AM, Maxime Gimeno ( via
> cgal-discuss Mailing List) wrote:
> > Hello,
> >  medit is the default format read by the `operator>>` of the c3t3.
>
>
>
> No, that is wrong. Medit is only an export format, that looses
> information from the C3t3. There are functions to read a MEdit file, but
> that does not creates back a C3t3, but only a non-Delaunay triangulation.
>
>
> Tony, if you want to save a c3t3 in a file that can be read back, then
> use the `operator<<` and `operator>>` of the c3t3, on a file that is
> open in binary mode. The easiest way is to use the undocumented
> functions from `<CGAL/IO/File_binary_mesh_3.h>`.
>
>
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