[Paraview] save 'Surface LIC' as texture

[Göbbert, Jens Henrik]

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.loring at gmail.com]
Sent: Thursday, June 04, 2015 5:45 PM
To: Göbbert, Jens Henrik; paraview at 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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