[Gmsh] Surface from compound lines

[Christophe Geuzaine]

On 12 Mar 2013, at 18:30, F. A. Portela <felipe.alves.portela at gmail.com> wrote:

> Hi Christophe,
> 
> Thanks for the quick reply.
> 
> I understand the error now, nevertheless, shouldn't it still be possible for me to mesh the rectangle as I mentioned? I.e. if I make the "compound line" transfinite, why can't I then make the surface itself transfinite?
> 

Because for transfinite surfaces we still look at the underlying "generators", which are the original lines.

We really have to clean this up ;-)

> Best regards,
> Felipe
> 
> 
> 
> --
> Felipe Alves Portela
> MSc student in Aerospace Eng. at TU Delft
> http://www.linkedin.com/in/felipealvesportela 
> 
> 
> On 12 March 2013 18:22, Christophe Geuzaine <cgeuzaine at ulg.ac.be> wrote:
> 
> On 12 Mar 2013, at 13:55, F. A. Portela <felipe.alves.portela at gmail.com> wrote:
> 
> > Hi,
> >
> > I have a very basic question: is it possible to define a surface using a compound line? I have been running into a strange error "Line Loop is wrong" every time i select a compound line as part of the line loop, on the other hand, if I select the lines which are part of the compound line, all goes well.
> >
> 
> Indeed, we should definitely fix the syntax (or enhance the documentation): compound lines do not behave as "expected" - you define them to force the mesh, but you still use the underlying lines to define the surfaces.
> 
> 
> > The issue is that I want to have a transfinite rectangle, but one of the sides is composed by two lines...
> >
> > Regards,
> > Felipe
> >
> > --
> > Felipe Alves Portela
> > MSc student in Aerospace Eng. at TU Delft
> > http://www.linkedin.com/in/felipealvesportela
> > _______________________________________________
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> > gmsh at geuz.org
> > http://www.geuz.org/mailman/listinfo/gmsh
> 
> --
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
> 
> 
> 
> 

-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine