[Paraview] ParaView python scripting - capture from ParaView GUI

[Aashish Chaudhary]

I believe, the trace does not capture the inputs and the outputs. What you
can do instead, is take the output of trace, add code to it for input and
output and
run using pvpython.



On Thu, Apr 3, 2014 at 11:56 AM, Su, Simon M CTR USAF (US) <
simon.m.su.ctr at mail.mil> wrote:

>  Hello there,
>
> I am trying to cook up a batch file for the visualization pipeline that I
> am doing on ParaView GUI so that I can run that same sequence in batch mode
> and in parallel using pvbatch. I can get most of the python script using
> the Tool->Start Trace option on ParaView GUI. However, Start Trace didn't
> capture python script when I do a File->Save Data command.
>
> For example, if I open up ParaView 4.1.0 and do a Tool->Start Trace, and
> then load up a cone and hit Apply and then do a File-> Save Data into
> legacy vtk format, and then do a Tool->Stop Trace, I will get the following
> python script
>
> ------------------ start python script ------------------
>
> try: paraview.simple
>
> except: from paraview.simple import *
>
> paraview.simple._DisableFirstRenderCameraReset()
>
>
>  Cone1 = Cone()
>
>
>  RenderView1 = GetRenderView()
>
>
>  DataRepresentation1 = Show()
>
> DataRepresentation1.ScaleFactor = 0.1
>
> DataRepresentation1.EdgeColor = [0.0, 0.0, 0.5000076295109483]
>
>
>  RenderView1.CameraPosition = [0.0, 0.0, 3.2036135254332487]
>
> RenderView1.CameraClippingRange = [2.309882128879306, 4.336364527086367]
>
> RenderView1.CameraParallelScale = 0.8291561935301535
>
>
>  Render()
>
>
>  ------------- end python script -------------------
>
> I will get the cone data saved to legacy vtk format in a file
> [simonsm at abc ~]$ cat test.vtk
> # vtk DataFile Version 3.0
> vtk output
> ASCII
> DATASET POLYDATA
> POINTS 7 float
> 0.5 0 0 -0.5 0.5 0 -0.5 0.25 0.433013
> -0.5 -0.25 0.433013 -0.5 -0.5 6.12323e-17 -0.5 -0.25 -0.433013
> -0.5 0.25 -0.433013
> POLYGONS 7 31
> 6 6 5 4 3 2 1
> 3 0 1 2
> 3 0 2 3
> 3 0 3 4
> 3 0 4 5
> 3 0 5 6
> 3 0 6 1
>
> So, what is the python script command I need to save the data and how do I
> turn the python script from the Start Trace output into python script that
> I can run with pvbatch? Anything I need to strip off the output?
>
> thanks
> -simon
>
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-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com
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