[Gmsh] HELP!

[Christophe Geuzaine]

Silvestrini Antonio wrote:

> good evening
> we are 2 students of engineering and we have an enourmous problem with the direction of the normal to the 
> surface.... at first we thought that to control the verse of the normal it was sufficient to change 
> the"sense" of the line loop  to generate the surface but it doesnt work..its like if the program generate the 
> surface by its self and we can´t control it at all....infact our aim is to have all the normals in the outside 
> direction.. we send with this letter the file complete gmsh...
> there are 4 surfaces(1214,2314,3405,3414) who have the normal inside and we dont know how to change 
> the verse....
> if you could resolve this problem and send us the file with the modification you would help us a lot.....we 
> really need that...thank you for your kindness
> Antonio Silvestrini
> Tobias Linse

See for example

http://www.geuz.org/pipermail/gmsh/2002/000581.html
http://www.geuz.org/pipermail/gmsh/2003/000744.html
http://www.geuz.org/pipermail/gmsh/2003/000751.html

Cheers,

Christophe

-- 
Christophe A. Geuzaine
Applied and Computational Mathematics, Caltech
geuzaine at acm.caltech.edu - http://geuz.org