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Re: [cgal-discuss] Turning a mesh into an implicit surface


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  • From: "Sebastien Loriot (GeometryFactory)" <>
  • To:
  • Subject: Re: [cgal-discuss] Turning a mesh into an implicit surface
  • Date: Tue, 15 May 2018 09:55:07 +0200
  • Authentication-results: mail2-smtp-roc.national.inria.fr; spf=None ; spf=Pass ; spf=None
  • Ironport-phdr: 9a23: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

See Side_of_triangle_mesh()

https://doc.cgal.org/latest/Polygon_mesh_processing/classCGAL_1_1Side__of__triangle__mesh.html

Sebastien.

On 05/15/2018 08:41 AM, Grimm, Raphael (IAR) wrote:
Hi,

i am new to CGAL and have a question.

I have a closed  mesh with no self intersections and need to turn it into an implicit surface.

I know a point inside the mesh.


Is there any function in CGAL to do this?


If there is none:

Is there any better /faster way than calculating the closest Point via

CGAL::AABB_tree< Tr >::closest_point_and_primitive

https://doc.cgal.org/latest/AABB_tree/classCGAL_1_1AABB__tree.html#a1b3ac9521fd7257f760deafff3743437
and determine whether the point is inside / ouside / on the mesh?


I am grateful for all hints.

Best Regards

Raphael




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