cd into VTK/Rendering/OpenGL and grep for vtkTextureIO::Write, you'll
find all the spots I was saving textures. There are some preprocessor
macros to enable it. Good luck.
On 6/5/2015 1:34 AM, Göbbert, Jens Henrik wrote:
Hi Burlen,
thanks for your answer.
But somehow bad news for me :)
I will try to add this feature than - it might help others, too.
Can you give me some more hints where I can find this mechanism for
sucking textures back from the gpu
and perhaps even how to use it for debugging?
Best
Jens Henrik
------------------------------------------------------------------------
*From:* Burlen Loring [burlen.lor...@gmail.com]
*Sent:* Thursday, June 04, 2015 5:45 PM
*To:* Göbbert, Jens Henrik; paraview@paraview.org
*Subject:* Re: [Paraview] save 'Surface LIC' as texture
I think it could be done if you're willing to hack into PV. There is
already some mechanism in there for sucking textures back from the gpu
and writing them to disk for debugging. It's not exactly what you need
but at least will illustrate pulling data from GPU.
a potential issue with this idea is that the result from the LIC is
very view dependent, you may be restricted to use same view settings
in your app/blender. maybe better just to write the LIC shader in blender.
On 06/04/2015 04:07 AM, Göbbert, Jens Henrik wrote:
Hello everyone,
I am using ParaView for some time now and love its representation of
vector fields on surfaces by
'SurfaceLIC'
(http://www.paraview.org/Wiki/ParaView/Line_Integral_Convolution).
<http://www.paraview.org/Wiki/ParaView/Line_Integral_Convolution%29.>
Beyond that, lots of other representations of scientific data are of
course simply great ....
I would like to save this textures and the geometrie (incl. texture
coordinates) of the surface
to view it later in our own OpenGL virtual reality application (or
Blender).
ParaView can load textures
(http://www.paraview.org/Wiki/ParaView:Texture),
but how can I save them ?
Does anyone has an idea ... including source code modifications,
which might make things like that possible.
Best,
Jens Henrik
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