[vtkusers] Red Hat 7.0 + XFree86 4.0.2 = VTK (fwd)

[Olivier]

On Wednesday 31 January 2001 12:46, Tom G. Smith (B75826) wrote:
> Since I've upgraded to RedHat 7.0 and VTK 3.1.2, I've noticed a marked
> deterioration in the quality of my renderings.  For example, instead
> of smooth transitions from light to dark in shadows, I see more abrupt
> and less realistic changes.
>
> I still have vtk 2.4 on one of our SGI systems, and the comparison of
> the same rendering on vtk 2.4 makes the one done with vtk 3.1.2 look
> like a bad Andy Warhol painting.
>
> I note, however, that my vtk 2.4 is compiled using OpenGL, and 3.1.2
> is using Mesa.  Could that be the difference in rendering quality, or
> should I seek to upgrade Xfree86 from 4.0.1 to 4.0.2?
>

I think that Xfree86 4.xx does not offer the GLX acceleration for a lot of 
graphic cards, so the solution would then be to actually go back to an older 
version (Xfree86 3.3.6).

Olivier



-- 
--------------------------
Olivier Coulon
University College London,
Dept. of Computer Sciences,
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