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Re: [cgal-discuss] View 3d Point as 2d?


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  • From: KL <>
  • To: "" <>
  • Subject: Re: [cgal-discuss] View 3d Point as 2d?
  • Date: Tue, 26 Jul 2022 17:29:14 +0200
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Thanks Sebastien,
For both my questions;)
--

17:11, 26 July 2022, "Sebastien Loriot ( via cgal-discuss Mailing List)" <>:

The easiest option I see is to convert your points in 2D.

You could use the `extrude_mesh()` function
https://doc.cgal.org/latest/Polygon_mesh_processing/group__PMP__meshing__grp.html#ga300c5eedd7d62bbd10ad2655405562f4

but it is like killing a fly with a hammer :)

Best,

Sebastien.

On 7/20/22 20:02, KL ( via cgal-discuss Mailing
List) wrote:

 Hi,
 
 Context: boolean operations.
 
 I have a 3D surface mesh. The z component, at the moment I need to
 compute my boolean operation, is equal to 0.
 
 But the issue is that corefine need a closed shape, which my flat
 surfaces aren't obviously.
 
 2D boolean ops won't accept a 3D point either.
 
 I would like to avoid to recreate a 2d surface mesh for this operation.
 
 How could I achieve that?
 
 
 Thanks
 --
 
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