Hi, Is everythin ok if you don't insert the edge related code? Can you please attach your modified code in order to reproduce the issue?
Regards, Thomas 2011/11/23 Engelbert Tijskens <engelbert.tijsk...@biw.kuleuven.be> > I tried the advise of Thomas to modify > examples/level1/mesh/simple_mesh.py. I modified the code so that during > every iteration in the "while ex.More():" loop, the added edges are drawn > on the screen. Though that works to a certain extent, the code crashes > after 114 iterations in this loop. At that point the drawing seems pretty > much complete. For some reason the object returned by facing = > (BRep_Tool_Triangulation(F,L)).GetObject() is invalid. If I make the > execution of the body of the while loop dependent on the condition that the > iteration number is smaller than 114, than the code does not crash > immediately, but it keeps running for millions of iterations... My guess is > that at some point ex.Next() and or ex.More() do not function correctly. > Anyone a clue? > > -----Original Message----- > From: pythonocc-users-boun...@gna.org [mailto: > pythonocc-users-boun...@gna.org] On Behalf Of > pythonocc-users-requ...@gna.org > Sent: woensdag 23 november 2011 12:00 > To: pythonocc-users@gna.org > Subject: Pythonocc-users Digest, Vol 36, Issue 16 > > Send Pythonocc-users mailing list submissions to > pythonocc-users@gna.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://mail.gna.org/listinfo/pythonocc-users > or, via email, send a message with subject or body 'help' to > pythonocc-users-requ...@gna.org > > You can reach the person managing the list at > pythonocc-users-ow...@gna.org > > When replying, please edit your Subject line so it is more specific than > "Re: Contents of Pythonocc-users digest..." > > > Today's Topics: > > 1. Re: creating a surface mesh of a TopoDS_Shape (Engelbert Tijskens) > 2. Re: creating a surface mesh of a TopoDS_Shape (Thomas Paviot) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 22 Nov 2011 21:36:57 +0100 > From: Engelbert Tijskens <engelbert.tijsk...@biw.kuleuven.be> > Subject: Re: [Pythonocc-users] creating a surface mesh of a > TopoDS_Shape > To: "pythonocc-users@gna.org" <pythonocc-users@gna.org> > Message-ID: > < > ae1d6787c88fb143862f16441b42493cc2fe423...@icts-s-exc2-ca.luna.kuleuven.be > > > > Content-Type: text/plain; charset="us-ascii" > > Hi Thomas, thanks for your quick reply. By a surface mesh I mean a mesh of > the surface of the shape (which is actually a volume with some holes). The > simple_mesh.py example seems to be what I need. I could extend the example > to get the coordinates of the vertices of the triangulation. Where can I > find information about the internals of the BRepMesh_Mesh function? > > > -----Original Message----- > From: pythonocc-users-boun...@gna.org [mailto: > pythonocc-users-boun...@gna.org] On Behalf Of > pythonocc-users-requ...@gna.org > Sent: dinsdag 22 november 2011 12:00 > To: pythonocc-users@gna.org > Subject: Pythonocc-users Digest, Vol 36, Issue 15 > > Send Pythonocc-users mailing list submissions to > pythonocc-users@gna.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://mail.gna.org/listinfo/pythonocc-users > or, via email, send a message with subject or body 'help' to > pythonocc-users-requ...@gna.org > > You can reach the person managing the list at > pythonocc-users-ow...@gna.org > > When replying, please edit your Subject line so it is more specific than > "Re: Contents of Pythonocc-users digest..." > > > Today's Topics: > > 1. creating a surface mesh of a TopoDS_Shape (Engelbert Tijskens) > 2. Re: creating a surface mesh of a TopoDS_Shape (Thomas Paviot) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 21 Nov 2011 20:09:59 +0100 > From: Engelbert Tijskens <engelbert.tijsk...@biw.kuleuven.be> > Subject: [Pythonocc-users] creating a surface mesh of a TopoDS_Shape > To: "pythonocc-users@gna.org" <pythonocc-users@gna.org> > Message-ID: > < > ae1d6787c88fb143862f16441b42493cc2fe423...@icts-s-exc2-ca.luna.kuleuven.be > > > > Content-Type: text/plain; charset="us-ascii" > > I need to make a surface mesh from TopoDS_Shape objects which I could > extract from step files using pythonocc with relatively little effort :-). > I was hoping to create surface meshes from those objects with a little more > effort. Can someone give some hints where to start? I took a look at > pythonOCC\0.5\examples\Level1\SMESH but I find not enough explanation to > become productive... > > Dr Bert Tijskens > Industrial research manager > DEM Research Group > Dept Biosystems, Div. MeBioS, K.U.Leuven > > Kasteelpark Arenberg 30, B3001 Leuven > www.dem-research-group.com<http://www.dem-research-group.com> > phone: ++32-16-328595 > fax: ++32-16-328590 > mobile: ++32-479-983854 > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: </public/pythonocc-users/attachments/20111121/a516bc23/attachment.htm> > > ------------------------------ > > Message: 2 > Date: Mon, 21 Nov 2011 22:42:00 +0100 > From: Thomas Paviot <tpav...@gmail.com> > Subject: Re: [Pythonocc-users] creating a surface mesh of a > TopoDS_Shape > To: "pythonOCC users mailing list." <pythonocc-users@gna.org> > Message-ID: > <CABc2AbyjiKf5jJjSXM2Te68NN6jYtmZcT=28_pndpa5vh4_...@mail.gmail.com > > > Content-Type: text/plain; charset="windows-1252" > > 2011/11/21 Engelbert Tijskens <engelbert.tijsk...@biw.kuleuven.be> > > > I need to make a surface mesh from TopoDS_Shape objects which I could > > extract from step files using pythonocc with relatively little effort > :-). > > I was hoping to create surface meshes from those objects with a little > > more effort. Can someone give some hints where to start? I took a look > > at pythonOCC\0.5\examples\Level1\SMESH but I find not enough > > explanation to become productive?**** > > > > ** ** > > > > Dr Bert Tijskens**** > > > > Industrial research manager**** > > > > DEM Research Group**** > > > > Dept Biosystems, Div. MeBioS, K.U.Leuven**** > > > > > > > Hi Bert, > > What is exactly your need? I'm not sure I clearly understand what you > described. What do you call a "surface mesh"? If your need it to import a > STEP file, convert it to a TopoDS_Shape and then mesh this shape in order > to get vertices/vertex index/faces, it is possible with blending the > SETPImport samples and the src/examples/Level1/Mesh/simple_mesh.py example. > You should have a look at the latter. > > Please feel free to post here a sample STEP file as well as the python > source code. > > Regards, > > Thomas > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: </public/pythonocc-users/attachments/20111121/468d7075/attachment.htm> > > ------------------------------ > > _______________________________________________ > Pythonocc-users mailing list > Pythonocc-users@gna.org > https://mail.gna.org/listinfo/pythonocc-users > > > End of Pythonocc-users Digest, Vol 36, Issue 15 > *********************************************** > > > > ------------------------------ > > Message: 2 > Date: Tue, 22 Nov 2011 22:26:07 +0100 > From: Thomas Paviot <tpav...@gmail.com> > Subject: Re: [Pythonocc-users] creating a surface mesh of a > TopoDS_Shape > To: "pythonOCC users mailing list." <pythonocc-users@gna.org> > Message-ID: > <CABc2Abx7x6a+bAz5pkQXxJETHGK7QdXxca=r2vr217gtmny...@mail.gmail.com > > > Content-Type: text/plain; charset="iso-8859-1" > > Have a look at: > https://github.com/tpaviot/pythonocc/blob/master/src/addons/MSH/Mesh.py > > Thomas > > 2011/11/22 Engelbert Tijskens <engelbert.tijsk...@biw.kuleuven.be> > > > Hi Thomas, thanks for your quick reply. By a surface mesh I mean a > > mesh of the surface of the shape (which is actually a volume with some > > holes). The simple_mesh.py example seems to be what I need. I could > > extend the example to get the coordinates of the vertices of the > > triangulation. Where can I find information about the internals of the > BRepMesh_Mesh function? > > > > > > -----Original Message----- > > From: pythonocc-users-boun...@gna.org [mailto: > > pythonocc-users-boun...@gna.org] On Behalf Of > > pythonocc-users-requ...@gna.org > > Sent: dinsdag 22 november 2011 12:00 > > To: pythonocc-users@gna.org > > Subject: Pythonocc-users Digest, Vol 36, Issue 15 > > > > Send Pythonocc-users mailing list submissions to > > pythonocc-users@gna.org > > > > To subscribe or unsubscribe via the World Wide Web, visit > > https://mail.gna.org/listinfo/pythonocc-users > > or, via email, send a message with subject or body 'help' to > > pythonocc-users-requ...@gna.org > > > > You can reach the person managing the list at > > pythonocc-users-ow...@gna.org > > > > When replying, please edit your Subject line so it is more specific > > than > > "Re: Contents of Pythonocc-users digest..." > > > > > > Today's Topics: > > > > 1. creating a surface mesh of a TopoDS_Shape (Engelbert Tijskens) > > 2. Re: creating a surface mesh of a TopoDS_Shape (Thomas Paviot) > > > > > > ---------------------------------------------------------------------- > > > > Message: 1 > > Date: Mon, 21 Nov 2011 20:09:59 +0100 > > From: Engelbert Tijskens <engelbert.tijsk...@biw.kuleuven.be> > > Subject: [Pythonocc-users] creating a surface mesh of a TopoDS_Shape > > To: "pythonocc-users@gna.org" <pythonocc-users@gna.org> > > Message-ID: > > < > > ae1d6787c88fb143862f16441b42493cc2fe423...@icts-s-exc2-ca.luna.kuleuve > > n.be > > > > > > > Content-Type: text/plain; charset="us-ascii" > > > > I need to make a surface mesh from TopoDS_Shape objects which I could > > extract from step files using pythonocc with relatively little effort > :-). > > I was hoping to create surface meshes from those objects with a little > > more effort. Can someone give some hints where to start? I took a look > > at pythonOCC\0.5\examples\Level1\SMESH but I find not enough > > explanation to become productive... > > > > Dr Bert Tijskens > > Industrial research manager > > DEM Research Group > > Dept Biosystems, Div. MeBioS, K.U.Leuven > > > > Kasteelpark Arenberg 30, B3001 Leuven > > www.dem-research-group.com<http://www.dem-research-group.com> > > phone: ++32-16-328595 > > fax: ++32-16-328590 > > mobile: ++32-479-983854 > > > > -------------- next part -------------- An HTML attachment was > > scrubbed... > > URL: > > </public/pythonocc-users/attachments/20111121/a516bc23/attachment.htm> > > > > ------------------------------ > > > > Message: 2 > > Date: Mon, 21 Nov 2011 22:42:00 +0100 > > From: Thomas Paviot <tpav...@gmail.com> > > Subject: Re: [Pythonocc-users] creating a surface mesh of a > > TopoDS_Shape > > To: "pythonOCC users mailing list." <pythonocc-users@gna.org> > > Message-ID: > > > > <CABc2AbyjiKf5jJjSXM2Te68NN6jYtmZcT=28_pndpa5vh4_...@mail.gmail.com > > > > > Content-Type: text/plain; charset="windows-1252" > > > > 2011/11/21 Engelbert Tijskens <engelbert.tijsk...@biw.kuleuven.be> > > > > > I need to make a surface mesh from TopoDS_Shape objects which I > > > could extract from step files using pythonocc with relatively little > > > effort > > :-). > > > I was hoping to create surface meshes from those objects with a > > > little more effort. Can someone give some hints where to start? I > > > took a look at pythonOCC\0.5\examples\Level1\SMESH but I find not > > > enough explanation to become productive?**** > > > > > > ** ** > > > > > > Dr Bert Tijskens**** > > > > > > Industrial research manager**** > > > > > > DEM Research Group**** > > > > > > Dept Biosystems, Div. MeBioS, K.U.Leuven**** > > > > > > > > > > > Hi Bert, > > > > What is exactly your need? I'm not sure I clearly understand what you > > described. What do you call a "surface mesh"? If your need it to > > import a STEP file, convert it to a TopoDS_Shape and then mesh this > > shape in order to get vertices/vertex index/faces, it is possible with > > blending the SETPImport samples and the > src/examples/Level1/Mesh/simple_mesh.py example. > > You should have a look at the latter. > > > > Please feel free to post here a sample STEP file as well as the python > > source code. > > > > Regards, > > > > Thomas > > -------------- next part -------------- An HTML attachment was > > scrubbed... > > URL: > > </public/pythonocc-users/attachments/20111121/468d7075/attachment.htm> > > > > ------------------------------ > > > > _______________________________________________ > > Pythonocc-users mailing list > > Pythonocc-users@gna.org > > https://mail.gna.org/listinfo/pythonocc-users > > > > > > End of Pythonocc-users Digest, Vol 36, Issue 15 > > *********************************************** > > > > _______________________________________________ > > Pythonocc-users mailing list > > Pythonocc-users@gna.org > > https://mail.gna.org/listinfo/pythonocc-users > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: </public/pythonocc-users/attachments/20111122/ba4f6e99/attachment.htm> > > ------------------------------ > > _______________________________________________ > Pythonocc-users mailing list > Pythonocc-users@gna.org > https://mail.gna.org/listinfo/pythonocc-users > > > End of Pythonocc-users Digest, Vol 36, Issue 16 > *********************************************** > > _______________________________________________ > Pythonocc-users mailing list > Pythonocc-users@gna.org > https://mail.gna.org/listinfo/pythonocc-users >
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