[Paraview] Export scene creates images without actual object

[Schlottke-Lakemper, Michael]

Hi Armin,

I tried your suggestion and set the remote rendering threshold to the maximum value. This yielded the following error server-side, after which ParaView seemed to hang forever:

ERROR: In /dev/shm/domini/ParaView/5.0.1/intel-para-2015.07-OSMesa/ParaView-v5.0.1-source/VTK/Common/ExecutionModel/vtkExecutive.cxx, line 784
vtkCompositeDataPipeline (0x8adda30): Algorithm vtkAppendCompositeDataLeaves(0x8ae4bc0) returned failure for request: vtkInformation (0x8d42fe0)
  Debug: Off
  Modified Time: 15698004
  Reference Count: 1
  Registered Events: (none)
  Request: REQUEST_DATA_OBJECT
  ALGORITHM_AFTER_FORWARD: 1
  FORWARD_DIRECTION: 0
  FROM_OUTPUT_PORT: 0

Warning: In /dev/shm/domini/ParaView/5.0.1/intel-para-2015.07-OSMesa/ParaView-v5.0.1-source/VTK/Common/DataModel/vtkDataObject.cxx, line 522
vtkMultiBlockDataSet (0x8e5f760): Attempted to ShallowCopy from null.

Then I connected to a ParaView server on another host, where I know for sure that the OpenGL backend is used. Unfortunately, the error with the empty “Export scene…” results persisted, so it seems like it’s not an issue with OpenGL2. Any other ideas where this could come from?

Regards,

Michael


> On 22 Apr 2016, at 18:39 , Armin Wehrfritz <dkxls23 at gmail.com> wrote:
> 
>> Thanks for the hint! We are using the legacy OpenGL backend
>> client-side. Server-side I don't know since it was pre-installed on
>> the system I'm using. Is there a way for me to check how the pvserver
>> was compiled or is it only dependent on the client anyways?
> I don't know how to check for the OpenGL backend on the server. Neither
> do I know if that would effect the "export scene" feature.
> Where is the rendering done, server-side or client-side?
> 
> If you know that your client is compiled with the old OpenGL backend,
> you could enforce the rendering on the client and see if that works. To
> do that you have to adjust the remote rendering threshold in the settings.
> 
> -Armin