[Paraview] opacity bug with pvserver/pvclient

[Moreland, Kenneth]

That is because the standard compositing code does not work correctly
with transparent data.  Simply put, the z-buffer algorithm used by the
compositing is incompatible with transparent data.

Under view options, try selecting "Enable Ordered Compositing".  That
will switch the compositing to an ordered color blending mode.  You may
still see artifacts, but at least all of the geometry will be drawn.
The downside of this mode is that the geometry must be redistributed
every time you make a pipeline change.

-Ken

> -----Original Message-----
> From: paraview-bounces+kmorel=sandia.gov at paraview.org 
> [mailto:paraview-bounces+kmorel=sandia.gov at paraview.org] On 
> Behalf Of Terry Jordan
> Sent: Monday, March 20, 2006 1:37 PM
> To: paraview at paraview.org
> Subject: [Paraview] opacity bug with pvserver/pvclient
> 
> I am getting the following problem when runnning pvserver on 
> 3 machines using mpi and connecting to it with a 4th using 
> pvclient. (Suse 10.0 with nvidia driver 8178).
> 
> I open a data set and I use cell to points filter.  In 
> thecell to points options I choose opacity and lower below 1, 
> a portion of the data disappears and a portion is now opaque.
> 
> Any ideas?
> 
> Thanks in advance.
> 
> 
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