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Re: [cgal-discuss] min. element size in a mesh


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  • From: Mariette Yvinec <>
  • To:
  • Subject: Re: [cgal-discuss] min. element size in a mesh
  • Date: Mon, 18 Jun 2012 16:02:28 +0200

Hi Dominik

you can not directly restrict the smallest size of mesh elements.
These small size elements might appear due to the presence of
small size components or features (noise ?) in your data.
You may try to add smoothing to the interpolation function ...;

Le 18/06/12 11:04, Dominik Szczerba a écrit :
On Fri, Jun 15, 2012 at 9:50 PM, Panagiotis Foteinos <> wrote:
How about restricting the largest volume, so that the volume range decreases?

Panagiotis
This is exactly what I am doing, I am restricting the largest element
size to say 3mm to find the smallest one 10-14 orders of magnitude
smaller than that. This is prohibitive for my application and I am
wondering if I can (effectively) restrict the smallest size too.

Dominik


On Fri, Jun 15, 2012 at 3:41 AM, Dominik Szczerba <> wrote:
Hi,

I was told some time ago that I can not limit the size of the smallest
element in a tet mesh generated from a medical image.
My problem is that without restricting the smallest element size I am
getting element volumes ranging 10 orders of magnitude and that is
very bad for my solver.
I was wondering if there is a way to overcome this problem, or maybe
the smallest element size is now allowed in the recent CGAL versions.

Thanks for any hints.

Dominik

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