[vtkusers] VTK web service

Randall Hand randall.hand at gmail.com
Thu May 12 15:18:30 EDT 2005


VTK with MangledMesa isn't that bad, actually. I've done it several times on 
our SGI Irix machines here several times.

Sadly, I wasn't able to get the vtkXOpenGLOffScreenRenderWindow class to 
work at all . And, of course, it requires OpenGL graphics hardware which 
eliminates alot of our systems in-house. 

If desired, I could write up instructions on how to get VTK & Mesa 6.2.1 to 
play nice together (On Irix at least, I imagine it's very similar for other 
systems)

On 5/12/05, tom fogal <tfogal at apollo.sr.unh.edu> wrote:
> 
> <42812114.3000102 at ualberta.ca>Chris Want writes:
> >Scott J. Pearson wrote:
> <snip>
> >> VTK plugin (does such a thing already exist?). A final option would be 
> to
> >> render pngs server-side, but I'm not sure if this is possible without a
> >> window. Does anybody have experience in such matters?
> >
> <snip>
> >it is indeed possible. You have to make sure the
> >VTK_OPENGL_HAS_OSMESA setting is on when building
> >vtk. The creation of the render window looks something
> <snip>
> 
> Particularly on systems with non-mesa OpenGL implementations, I've
> found it to be a pain to install mangled mesa and get VTK to use it.
> 
> I'd recommend Glen Lehmann's vtkXOpenGLOffScreenRenderWindow:
> 
> http://www.imaging.robarts.ca/~glehmann/OffScreen/OffScreen.html
> 
> We've been using it for some time with VTK4.2 / VTK4.4 with no issues,
> and it was much easier than rebuilding VTK with mesa.
> 
> Of course, I'm assuming here that your server is UNIX-based...
> 
> -tom
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-- 
Randall Hand
http://www.yeraze.com
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