Re: [vmtk-users] surface mesh refinement

[Ramachandran, M. <man...@ui...>]

Dear Luca
Thanks for the response. I used vmtksurfacesubdivision, vmtksurfaceremeshing and vmtksurfacetriangle. Now the mesh looks pretty good. However I noticed that the documentation for vmtksurfaceremeshing has edgelength listed as one of the arguments but I was not able to use edgelength. I was able to remesh it using maxarea and it works great but I thought I will bring edgelength to your notice.
Thanks
Manasi
________________________________
From: Luca Antiga [luc...@gm...]
Sent: Saturday, May 21, 2011 8:35 AM
To: Ramachandran, Manasi
Cc: vmt...@li...
Subject: Re: [vmtk-users] surface mesh refinement

Dear Manasi,
 sorry for the late reply.
For sure there is a way to do it: you should look into vmtksurfaceremeshing, which is the script that is used in vmtkmeshgenerator internally to remesh the surface prior to volume meshing. The options are similar, but the inputs and outputs are surfaces (vtkPolyData, eg vtp files).
Let me know (on the list) if you need guidance with this script.
Sometimes a quick way of improving the quality of triangles is also to smooth the surface, using vmtksurfacesmoothing, but your mileage might vary.
Best regards

Luca

On 11/mag/2011, at 17:56, "Ramachandran, Manasi" <man...@ui...<mailto:man...@ui...>> wrote:

Hi All

After getting my segmented 3D model using levelsetsegmentation, I want to perform finite element analysis on the model. I find that my surface mesh is not of the required quality - triangles with awkward angles, etc. Is there a way to refine my mesh in VMTK?
I am not particularly looking to increase mesh density, I am rather looking to improve overall mesh quality.

The tutorials in the website are for volume mesh refinement while mine is a surface mesh.

Thank you
Manasi


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