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- From: Bob Bill <>
- To: "Sebastien Loriot\" ( via cgal-discuss Mailing List)" <>
- Subject: Re: [cgal-discuss] Create a 3D mesh as coarse as possible
- Date: Tue, 10 May 2022 13:23:08 +0000 (UTC)
- Authentication-results: mail2-smtp-roc.national.inria.fr; spf=None ; spf=Pass ; spf=None
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Unfortunately the result is more or less the same, but I think I identified the issue: my original surface mesh is not triangulated, so maybe CGAL::triangulate_faces() is adding too many triangles, right? The following snippet highlights what I am referring to. Is there any way to have a "minimal" triangulation for the faces when calling triangulate_faces()?
Best,
Bob
CGAL::Polygon_mesh_processing::triangulate_faces(surface_mesh);
Mesh_domain domain(surface_mesh);
domain.detect_features();
Mesh_criteria criteria(CGAL::parameters::facet_size = 0,
CGAL::parameters::facet_distance = 0,
CGAL::parameters::cell_radius_edge_ratio = 2,
CGAL::parameters::cell_size = 0);
C3t3 triangulation = CGAL::make_mesh_3<C3t3>(domain,
criteria,
CGAL::parameters::no_perturb(),
CGAL::parameters::no_exude());
Il martedì 10 maggio 2022, 09:29:46 CEST, Sebastien Loriot" ( via cgal-discuss Mailing List) <> ha scritto:
If you put facet_size=0, facet_distance=0, cell_radius_edge_ratio=2 and
cell_size=0 then there is no geometric criteria applied to refine the
mesh (only the topological one). If you mesh is too coarse then you
can change those values to match the level of detail you are expecting.
Best,
Sebastien.
On 5/9/22 14:51, Bob Bill ( via cgal-discuss Mailing
List) wrote:
> Dear all,
>
> I successfully applied the function make_mesh_3() to fill a 3D mesh. So
> far the result is too refined, and I'd like to let my C3t3 to be as
> coarse as possible, i.e. I want only few tets inside.
>
> If I use the default constructor
>
> Mesh_criteria criteria;
>
> then the result is non-sense. Is there any way to have something like
> the bottom left figure here
> (https://doc.cgal.org/latest/Mesh_3/index.html#fig__figureparameters) ,
> but without specifying the parameters for every situation?
>
> Bob
>
> --
> You are currently subscribed to cgal-discuss.
> To unsubscribe or access the archives, go to
> https://sympa.inria.fr/sympa/info/cgal-discuss
>
--
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To unsubscribe or access the archives, go to
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cell_size=0 then there is no geometric criteria applied to refine the
mesh (only the topological one). If you mesh is too coarse then you
can change those values to match the level of detail you are expecting.
Best,
Sebastien.
On 5/9/22 14:51, Bob Bill ( via cgal-discuss Mailing
List) wrote:
> Dear all,
>
> I successfully applied the function make_mesh_3() to fill a 3D mesh. So
> far the result is too refined, and I'd like to let my C3t3 to be as
> coarse as possible, i.e. I want only few tets inside.
>
> If I use the default constructor
>
> Mesh_criteria criteria;
>
> then the result is non-sense. Is there any way to have something like
> the bottom left figure here
> (https://doc.cgal.org/latest/Mesh_3/index.html#fig__figureparameters) ,
> but without specifying the parameters for every situation?
>
> Bob
>
> --
> You are currently subscribed to cgal-discuss.
> To unsubscribe or access the archives, go to
> https://sympa.inria.fr/sympa/info/cgal-discuss
>
--
You are currently subscribed to cgal-discuss.
To unsubscribe or access the archives, go to
https://sympa.inria.fr/sympa/info/cgal-discuss
- [cgal-discuss] Create a 3D mesh as coarse as possible, Bob Bill, 05/09/2022
- Re: [cgal-discuss] Create a 3D mesh as coarse as possible, Sebastien Loriot, 05/10/2022
- Re: [cgal-discuss] Create a 3D mesh as coarse as possible, Bob Bill, 05/10/2022
- Re: [cgal-discuss] Create a 3D mesh as coarse as possible, Sebastien Loriot, 05/10/2022
- Re: [cgal-discuss] Create a 3D mesh as coarse as possible, Bob Bill, 05/10/2022
- Re: [cgal-discuss] Create a 3D mesh as coarse as possible, Bob Bill, 05/12/2022
- Re: [cgal-discuss] Create a 3D mesh as coarse as possible, Bob Bill, 05/10/2022
- Re: [cgal-discuss] Create a 3D mesh as coarse as possible, Sebastien Loriot, 05/10/2022
- Re: [cgal-discuss] Create a 3D mesh as coarse as possible, Bob Bill, 05/10/2022
- Re: [cgal-discuss] Create a 3D mesh as coarse as possible, Sebastien Loriot, 05/10/2022
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