[vtkusers] PyPi Wheels for VTK 8.1.0

[B.J. Hulsey]

Thanks but no dice. I tried many of the env variables Mesa suggests:
https://www.mesa3d.org/envvars.html

My goal is to run a python3/vtk UI on a remote Linux box with no graphics
hardware from a Windows desktop. I'd also like decent performance. What is
the recommended method (and versions) to optimize this setup?



On Tue, May 29, 2018 at 5:26 PM, Chuck Atkins <chuck.atkins at kitware.com>
wrote:

> With older versions of Mesa you need to forcibly override the opengl
> version reported.  Trying setting the environment variable
> MESA_GL_VERSION_OVERRIDE=3.2 .
>
> - Chuck
>
> On Tue, May 29, 2018, 18:21 B.J. Hulsey <bjhulsey at gmail.com> wrote:
>
>> Hello, world.
>>
>> I've been struggling to install VTK on CentOS 7.2 for several days. I've
>> followed several recommendations on the web, including this one point to
>> from the VTK FAQ:  https://www.paraview.org/Wiki/
>> ParaView/ParaView_And_Mesa_3D. In most cases I end up with the following
>> OpenGL2 error no matter which version of Mesa is installed:
>>
>> ERROR: In /work/standalone-x64-build/VTK-source/Rendering/OpenGL2/vtkOpenGLRenderWindow.cxx,
>> line 797
>> vtkXOpenGLRenderWindow (0x18f1c10): GL version 2.1 with the gpu_shader4
>> extension is not supported by your graphics driver but is required for the
>> new OpenGL rendering backend. Please update your OpenGL driver. If you are
>> using Mesa please make sure you have version 10.6.5 or later and make sure
>> your driver in Mesa supports OpenGL 3.2.
>>
>>
>> In any case, I found the PyPi wheels for 8.1.0 and simply installed with
>> pip. I am still getting the OpenGL2 error when using Python 3.5, but the
>> code runs under Python 2.7 (system version).
>>
>> glxinfo reports:
>> OpenGL vendor string: VMware, Inc.
>> OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.6, 128 bits)
>> OpenGL version string: 2.1 Mesa 10.6.5
>> OpenGL shading language version string: 1.30
>>
>> Any pointers? According to https://prabhuramachandran.
>> blogspot.com/2018/01/vtk-810-wheels-for-all-platforms-on-pypi.html this
>> should work for Python 3.5.x.
>>
>> Thanks.
>>
>>
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