[Paraview] volume rendering with Catalyst ...

[Ufuk Utku Turuncoglu (BE)]

Hi,

I tested the pipeline as follows,

1 - using original Catalyst script, i created new python script (also 
includes that read part). In this case, i removed all co-processing 
calls.  See the attached script (dvr_pv.py). You could also compare it 
with original Co-processing generated script (dvr.py).

2 - Then, i opened PV and after Tools-> Python Shell -> Run Script, i 
run the dvr_pv.py

The strange thing is that it produces exactly same problematic DVR in 
this case. So, it seems that problem is not related with Catalyst but it 
seems related with Python interface. So, i think that this information 
could narrow down the places that might cause the problem. Please let me 
know, if you need more information and test.

Thanks again for your kindly help,
Regards,

--ufuk

On 04/05/16 22:37, Andy Bauer wrote:
> Hi,
>
> Are you generating the Catalyst script with PV built with the OpenGL2 
> backend and then linking with a version of Catalyst built with the 
> OpenGL1 backend? I'd guess that this is the problem.
>
> To isolate the issue further, you can do a Python trace in the GUI to 
> see if you get the same issue when you run pvpython with that script.
>
> Best,
> Andy
>
> On Fri, Apr 29, 2016 at 10:12 AM, Ufuk Utku Turuncoglu (BE) 
> <u.utku.turuncoglu at be.itu.edu.tr 
> <mailto:u.utku.turuncoglu at be.itu.edu.tr>> wrote:
>
>     Hi Cory,
>
>     Do you think that it is a bug in Catalyst side. In this case, i am
>     running the code as follows
>
>     export
>     LD_LIBRARY_PATH=/opt/progs/paraview-5.0.0/lib:${LD_LIBRARY_PATH}
>     export
>     DYLD_LIBRARY_PATH=/opt/progs/paraview-5.0.0/lib:${DYLD_LIBRARY_PATH}
>     mpirun -np 12 ./main.x
>
>     Thanks for your help,
>
>     --ufuk
>
>
>
>     On 29/04/16 16:58, Cory Quammen wrote:
>
>         It indeed looks like the scalar opacity function is not being
>         set up
>         properly when using Catalyst. Looking at your script, it looks
>         like it
>         should be, though.
>
>         Could you describe how you are running this with Catalyst?
>
>         Thanks,
>         Cory
>
>         On Tue, Apr 26, 2016 at 4:18 AM, Ufuk Utku Turuncoglu (BE)
>         <u.utku.turuncoglu at be.itu.edu.tr
>         <mailto:u.utku.turuncoglu at be.itu.edu.tr>> wrote:
>
>             Hi,
>
>             I had a problem in Catalyst when i run a visualization
>             pipeline with volume
>             rendering. The attached figures shows the problem and
>             belong to same
>             visualization with and without Catalyst. In my case, the
>             co-processing
>             Python script (dvr.py) is generated from multi-block
>             dataset and the
>             Catalyst code uses MPI code to define multi-block dataset
>             also. So, it is
>             consistent in both side. The visualization pipeline
>             includes Transform and
>             MergeBlocks filters to create the final image and mapper
>             is set as Bunyk Ray
>             Cast. It seems that there is a problem in the color
>             transfer function but i
>             am not sure. I also test with different mapper such as
>             projected-tetra but
>             the result is same. I just wonder that did you see any
>             similar problem
>             before.
>
>             Regards,
>
>             Istanbul Technical University
>             Informatics Institute
>
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