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Heal geometry: error for torus (brep format) #78

@vkorchagova

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@vkorchagova

Hello everyone,

I create the script for automatic surface mesh building by Netgen, and I use the geometry healing procedure as the one of steps in the script. When I try to run the "Heal geometry" procedure for the torus in brep geometry I see the following error:

NETGEN-6.2.2501-3-g2778b934 Developed by Joachim Schoeberl at 2010-xxxx Vienna University of Technology 2006-2010 RWTH Aachen University 1996-2006 Johannes Kepler University Linz Including OpenCascade geometry kernel optfile ./ng.opt does not exist - using default values togl-version : 2 OCC module loaded loading ngsolve library NGSolve-6.2.2501-2-gb6e0cdb84 Using Lapack Including sparse direct solver UMFPACK Running parallel using 8 thread(s) Load BREP geometry file /home/pcadmin/Downloads/torus.brep Building topology tree ... done Starting geometry healing procedure (tolerance: 0.001) ----------------------------------- - repairing faces repaired face 1 (some wires are fixed) - fixing small edges - fixing spot and strip faces - sewing faces not possible - making solids not possible (no shells) terminate called after throwing an instance of 'Standard_ConstructionError' Aborted (core dumped) 

Torus was the standard figure built in FreeCAD and exported to brep format. Netgen version is the fresh update from GitHub. Operational system is Ubuntu 24.04.

I'll be very thankful for your help.


Best regards,
Victoria

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