berk.geveci at gmail.com
Mon Jul 18 10:45:40 EDT 2005
Hmmm. The problem we are seeing is with Linux drivers on 64 bit
machines (EMT), not on Windows. Cells seem to get random alpha values.
What happens when you turn off immediate mode rendering? Also try
changing the value of "Interpolate Colors" (which switches between
using 1D texture maps and using OpenGL interpolation).
On 7/18/05, John Biddiscombe <biddisco at cscs.ch> wrote:
> >What platform are you on? Hardware (cpu, memory), graphics card,
> >drivers, linux kernel? This looks like a driver bug we encountered.
> Windows XP SP2 - NVidia Quadro FX 3400. Driver 77.72
> It seems from some chatting here, that we also have a very similar
> problem on a linux box with NVidia Quaddro FX 1300 running driver 71.74
> (I think).
> The problem is different on the linux box. (Not tried the netcdr reader
> on it yet), but it can be reliably reproduced it seems by taking some
> data, running pointdatatocelldata filter on it and then displaying. The
> cell data looks rubbish. Running celltoPoint again goes back to being ok.
> Since the netCDF reader is the first time I've worked with Cell data as
> opposed to point data, it would explain why I'm only seeing it now.
> (Any idea which driver version would be stable on win XP - thatt's my
> main test machine right now?)
More information about the vtk-developers