[Gmsh] Cutting plots of iso surfaces

Daryl Van Vorst darylv at telus.net
Fri Mar 4 07:26:52 CET 2005


Christophe,

Thanks!  Very cool.

Changing the alpha channel makes for an impressive view.

I thought I was using 1.59, but it turns out I wasn't. No wonder things
weren't quite matching up with the manual.

-Daryl.

On Thu, 2005-03-03 at 20:51, Christophe Geuzaine wrote:
> Christophe Geuzaine wrote:
> > Daryl Van Vorst wrote:
> > 
> >>
> >> But some of the surfaces are closed and so you can't see what's under
> >> them. Is there a way to saw off (for lack of a better term) parts of the
> >> plot like you might saw an engine in half to show it's inner workings?
> >>
> > 
> > Sure: use "Tools->Clipping planes" in Gmsh to interactively clip the 
> > post-processing view(s) and/or the geometry and/or the mesh.
> > 
> > If you want to actually cut the view (i.e., generate a new view that
> > contains only a subset of the elements), use "View->Plugins->Cut Plane" 
> > and set "Extract volume" to +1 or -1.
> > 
> 
> PS: You can also use translucent iso-surfaces (press 'A' or use 
> Ctrl+LeftMouse in "View->Options->Map" to change the alpha channel).