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Re: Add Index to a group
Hello Robert You can remove and add indices but added indices must be indices of faces, else the operation fails. Python functions manipulating ...
Re: Smoothing a mesh with preserving conformality
Hi Arash You will achieve your purpose if you apply Modification > Smoothing to your surface with option "in parametric space" = ON and provided that ...
Re: Hexahedral to tetrahedral mesh
Hello Robert We recently found a memory error in the splitting operation, that you now most probably observe. The error fix will be available in V9.7.0 ...
Re: Get IDs of group of Faces
Here is a sample code https://docs.salome-platform.org/latest/gui/SMESH/tui_defining_hypotheses.html#tui-viscous-layers
Re: Get IDs of group of Faces
Hi Claudio You can directly use your geom group to define Viscous layers by calling Viscous Layers () method of your 3D algorithm. ...
Re: Quality metric for quadratic tetrahedra
Your post here is enough  
Re: Quality metric for quadratic tetrahedra
Hello Zoltan This is because different methods are used for linear and quadratic tetrahedra. This is a bug for sure. Best regards Edward
Re: ATTN: Downstream patch that fixes fillet/chamfers
Hello Kunda To report issues regarding OCCT code development please consult the official OCCT Collaborative Development ...
Re: what consideration for the node ordering in quadratic tetra?
Hello The connectivity convention is adopted from MED library. Best regards Edward
Re: Programmatically reorient clockwise oriented faces
Hi IsCoherentOrientation2D is useful to detect the situation as in your image. There is no more optimal way than mesh.Reorient2D(the2DObject, ...
Re: Which edge will hold a non-empty mesh?
Most probably this is because New Entity > Explode publishes sub-shapes in the order given by Sort function, which is different from the order given by ID ...
Re: Which edge will hold a non-empty mesh?
Dear Zoltan ID here means an integer number which refers a sub-shape within a shape. One sees these IDs in Create Group dialog in Geometry module. A ...
Re: Parallel processing
Hello Porting to NETGEN-6 is planned. So NETGEN will use all available processors. Best regards Edward
Re: Which edge will hold a non-empty mesh?
This is a feature of NETGEN that it does Merge Equal Nodes before generating elements. It can be deactivated in NETGEN_Parameters_2D > Advanced > Insider > ...
Re: Which edge will hold a non-empty mesh?
Hello Zoltan If there are two overlapping edges, Mesh module generates 1D mesh on the both, so that GroupOnGeom won't be empty for any of them. This ...
Re: ATTN: Patch to fix typos in OCCT
MED patch committed to master. Thanks Best regards Edward
Re: ATTN: Patch to fix typos in OCCT
smesh part committed to master. Merge request created for OCCT part. Thanks Best regards Edward
Re: Element numbering for .dat file - Version 9.4
Sorry, Chen! I had no chance to implement this feature. Maybe in the next release. Best regards Edward
Re: ATTN: Patch to fix typos in OCCT
Hello Kunda The 2nd part is in process Best regards Edward
Re: SALOME 9.5.0 - Geom + Mesh -> 2+ GB file, reopen error bad:alloc
Hello! Could you attach a Python dump file of your study to check the issue. Invoke menu File > Dump Study to produce the file. Best regards Edward ...
Re: Local sizes fails near edge
Hello, I investigated why refinement is not done on an edge. This is because of a NETGEN bug that it defines edge discretization by dividing an edge into ...
Re: OCC exception. LProp_NotDefined
Hello! I suspect that your geometry includes a face with a singular point, like a sphere pole, where normal to face is undefined. NETGEN makes some ...
Re: Loading a Mesh without continuous element numbering
Yes, the order of elements is kept, only "holes" in numbering are removed. Best regards Edward 
Re: Loading a Mesh without continuous element numbering
I think it is worth adding an option to get the old behavior available. But note that the old behavior will be available in batch mode only, since in GUI ...
Re: Loading a Mesh without continuous element numbering
Hello Initial numbering at mesh import has been broken since version 8.5.0. So you can try to use SALOME-8.4.0. Best regards Edward
Re: Element numbering for .dat file - Version 9.4
Consider using another format, which directly support groups, UNV for example.
Re: Element numbering for .dat file - Version 9.4
Dear Chen, Someone on this forum complained that numeration at export can be not continuous from 1 till nbOfElements and can have holes.  We addressed ...
Re: Element numbering for .dat file - Version 9.4
Hello Could you explain your issue by an example? It's not clear for me. Best regards Edward
Re: Parallel processing
Sorry, I mean not SMESHDS_GroupOnGeom and SMESHDS_GroupOnFilter. Parallel processing is activated for certain criteria only, which are known to be hard ...
Re: Parallel processing
Hello Contents of SMESHDS_GroupOnGeom is computed in parallel. Best regards Edward