[Paraview] paraview 4.1 and greater not getting slice representation on remote logins

[Kate Fissell]

Hi Utkarsh,

Thanks for your super fast response.
Using a  slice filter I also get no slice image.
I downloaded nightly build ParaView-4.3.1-882-gbdceec7-Linux-64bit
and I still have the problem.  Is that the most recent git/master ?

When you say you think the problem is related to the fix you list,
do you mean that the 15457 fix you needed to do for parallel
slice had the side effect of causing this remote connection issue, or,
do you mean that the parallel slice fix would hopefully solve
the remote connection issue ?

I tried to take a look at the code changes in the fix.
I saw some stuff with extents.   Do you think that the
problem is that the extent is computed incorrectly, eg
way too small, eg 0 ?   Why would that happen only
on the Centos->Ubuntu remote connection ?

thanks very much,
Kate

On 07/22/2015 03:35 PM, Utkarsh Ayachit wrote:
> Kate,
>
> I suspect it's related to this fix:
> https://gitlab.kitware.com/paraview/paraview/merge_requests/92
>
> I tested with the latest git/master and it does render correctly in
> client-server mode too.
>
> A workaround would be to use the Slice filter instead. It will be a
> little slower and more memory intensive than "Slice" representation,
> however.
>
> Utkarsh
>
> On Wed, Jul 22, 2015 at 3:08 PM, Kate Fissell <fissell at pitt.edu> wrote:
>> Hi,
>>
>> On Paraview versions 4.1 and greater if I ssh -X from a Centos machine into
>> an Ubuntu
>> graphics server to run Paraview I have a problem with viewing images.
>>
>> I load the AnalyzeNifTIIO plugin, and load a nifti image, and I believe it
>> loads correctly.
>> I get the wireframe, the Information panel gives the correct cells/point.
>> If I change to
>> Slice representation the view window stays blank.  Volume representation is
>> fine, I get the
>> 3D rendering.
>> Same thing if I load a vti format of the data, no slice view.
>>
>> This happens when I ssh from a Centos machine, it does not happen when I ssh
>> from
>> an Ubuntu machine.   In both cases I believe I am using glx to do the
>> rendering locally,
>> not doing a setenv DISPLAY to ship the rendered picture over the net.
>> It is the same glx version on the Ubuntu and Centos machine, but they have
>> different
>> graphics cards.
>>
>> Ubuntu server running Paraview (console graphics):
>> OpenGL vendor string: NVIDIA Corporation
>> OpenGL renderer string: Quadro K4000/PCIe/SSE2
>> OpenGL core profile version string: 4.3.0 NVIDIA 331.113
>> OpenGL core profile shading language version string: 4.30 NVIDIA via Cg
>> compiler
>> OpenGL core profile context flags: (none)
>> OpenGL core profile profile mask: core profile
>> OpenGL core profile extensions:
>> OpenGL version string: 4.4.0 NVIDIA 331.113
>> OpenGL shading language version string: 4.40 NVIDIA via Cg compiler
>> OpenGL context flags: (none)
>> OpenGL profile mask: (none)
>> OpenGL extensions:
>>
>>
>> Centos machine ssh'd to Ubuntu server:
>> OpenGL vendor string: NVIDIA Corporation
>> OpenGL renderer string: Quadro FX 580/PCIe/SSE2
>> OpenGL version string: 2.1.2 NVIDIA 340.76
>> OpenGL shading language version string: 1.20 NVIDIA via Cg compiler
>> OpenGL extensions:
>>
>>
>> Ubuntu machine ssh'd to Ubuntu server:
>> OpenGL vendor string: NVIDIA Corporation
>> OpenGL renderer string: Quadro K4000/PCIe/SSE2
>> OpenGL version string: 2.1.2 NVIDIA 304.125
>> OpenGL shading language version string: 1.20 NVIDIA via Cg compiler
>> OpenGL extensions:
>>
>>
>> In Paraview ParaView-v4.0.1 I do not have this problem.
>> I have the problem in Paraview-4.1, 4.2, 4.3.
>>
>> I am using your pre-compiled binaries as test, but I have the same problem
>> with my compilation.
>>
>> Do you know what changed from ParaView-v4.0.1 to ParaView-v4.1 that would
>> cause
>> this or what the workaround is ?
>>
>> thanks
>> Kate
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