[Paraview] Paraview Python scripting

Tue Nov 1 16:52:08 EDT 2011

Actually, if you follow the steps from this email, you can interact with
the render window from pvpython:

  http://markmail.org/message/sjt6pbkyc56l2wgl

Pat

On Tue, Nov 1, 2011 at 10:24 AM, Utkarsh Ayachit <
utkarsh.ayachit at kitware.com> wrote:

> pvpython cannot be used for interactive viz (generally), it mostly
> designed for batch. So it executes the script and then quits. Try adding a
>
> raw_input()
>
> at the end and the script will pause for input before exiting, giving you
> an opportunity to look at the rendered result. Generally you'd edit the
> script to add WriteImage() or somethign similar to generate screenshots or
> save processed data out.
>
> If you want to use it in an interactive fashion, you should stick with
> Python Shell in the GUI.
>
> Utkarsh
>
>
>
> On Tue, Nov 1, 2011 at 10:13 AM, David Dupuis <
> david.dupuis at cadensimaging.com> wrote:
>
>> Sta.py is a Python state file I have created using “Save state” in the
>> GUI. Yes, it needs to open the GUI and load the whole pipeline saved in the
>> Python State file.
>>
>>
>>
>> *De :* Adriano Gagliardi [mailto:agagliardi at ara.co.uk]
>> *Envoyé :* 1 novembre 2011 10:07
>> *À :* 'David Dupuis'; 'Utkarsh Ayachit'
>> *Cc :* paraview at paraview.org
>> *Objet :* RE: [Paraview] Paraview Python scripting
>>
>>
>>
>> What does sta.py do that it needs to open the GUI? Do you mean an X11
>> window?
>>
>>
>>
>> ===================================
>>
>> Adriano Gagliardi MEng PhD
>> Business Sector Leader
>> Computational Aerodynamics
>> Aircraft Research Association Ltd.
>> Manton Lane
>> Bedford
>>
>> Tel: 01234 32 4644
>> E-mail: agagliardi at ara.co.uk
>> Url: www.ara.co.uk
>>
>>
>>
>>
>> ------------------------------
>>
>> *From:* paraview-bounces at paraview.org [mailto:
>> paraview-bounces at paraview.org] *On Behalf Of *David Dupuis
>> *Sent:* 01 November 2011 14:00
>> *To:* Utkarsh Ayachit
>> *Cc:* paraview at paraview.org
>> *Subject:* Re: [Paraview] Paraview Python scripting
>>
>> Hello Utkarsh,
>>
>>
>>
>> The Python Shell works fine.
>>
>>
>>
>> On the other hand, if you mean using  pvpython this way:
>>
>>
>>
>> >> /home/david/ParaView-3.12.0-RC2-Linux-x86_64/bin/pvpython ./sta.py
>>
>>
>>
>> It doesn’t work... The GUI will   flash (open partially and shutdown
>> quickly) and we cannot see anything...
>>
>>
>>
>> Thanks again!
>>
>> David
>>
>>
>>
>> *De :* Utkarsh Ayachit [mailto:utkarsh.ayachit at kitware.com]
>> *Envoyé :* 1 novembre 2011 09:35
>> *À :* David Dupuis
>> *Cc :* paraview at paraview.org
>> *Objet :* Re: [Paraview] Paraview Python scripting
>>
>>
>>
>> Have you tried using the pvpython executable? It's sets up the
>> environment correctly for you. Alternatively, from the GUI, you can open
>> the Python Shell and and then use the "Load Script" button to load the
>> script.
>>
>>
>>
>> Utkarsh
>>
>> On Tue, Nov 1, 2011 at 9:28 AM, David Dupuis <
>> david.dupuis at cadensimaging.com> wrote:
>>
>> Hello,
>>
>>
>>
>> I’m manipulating different dataset and for each of them I have a
>> different setup (pipeline). I saved the state as a python file and plan to
>> re-use the python state file to re-open the whole pipeline for each
>> dataset. It seems that only *.psvm files can be loaded via   File -> Load
>> state in Paraview. Is there a way to load a python state file?
>>
>>
>>
>> Here is what I tried to do so, but didn’t succeeded.
>>
>>
>>
>> 1- I followed the procedure for Paraview/Python scripting, and added
>> PYTHONPATH in .bashrc:
>>
>> export
>> PYTHONPATH="/home/david/ParaView-3.12.0-RC2-Linux-x86_64/lib/paraview-3.12/site-packages/:/home/david/ParaView-3.12.0-RC2-Linux-x86_64/bin"
>>
>>
>>
>> * The only thing I can’t do is adding the path to
>> ="/home/david/ParaView-3.12.0-RC2-Linux-x86_64/Utilities/VTKPythonWrapping/site-packages
>> since I don’t have any Utilities folder in my Paraview directory. I believe
>> this is required, but don’t know what to install and where to get it to
>> have it...
>>
>>
>>
>> 2- I tried to load the python state file via python with the setup
>> described at step 1, but got the following error:
>>
>>
>>
>> >> python ./sta.py
>>
>> Traceback (most recent call last):
>>
>>   File "/home/david/CADv2/Patients/P1/Prone/sta.py", line 2, in <module>
>>
>>     except: from paraview.simple import *
>>
>>   File
>> "/home/david/ParaView-3.12.0-RC2-Linux-x86_64/lib/paraview-3.12/site-packages/paraview/simple.py",
>> line 39, in <module>
>>
>>     import servermanager
>>
>>   File
>> "/home/david/ParaView-3.12.0-RC2-Linux-x86_64/lib/paraview-3.12/site-packages/paraview/servermanager.py",
>> line 43, in <module>
>>
>>     import paraview, re, os, os.path, new, sys, vtk
>>
>>   File
>> "/home/david/ParaView-3.12.0-RC2-Linux-x86_64/lib/paraview-3.12/site-packages/paraview/vtk/__init__.py",
>> line 1, in <module>
>>
>>     from vtkCommonPython import *
>>
>> ImportError: No module named vtkCommonPython
>>
>>
>>
>> I have taken a look and there is no vtkCommonPython module on my machine.
>> Is it part of the VTKPythonWrapping in Utilities?
>>
>>
>>
>> Thanks for helping me with this one.
>>
>> David
>>
>>
>>
>>
>>
>>
>>
>> [image: L_CadensImaging+rendering_C_gif]
>>
>>
>>
>> DAVID DUPUIS
>>
>> Chef de produit | Product manager
>>
>>
>>
>> 116 principale, suite 200
>>
>> Granby (Qubec), J2G 2V2
>>
>> CANADA
>>
>>
>>
>> T: 450.956.3456 I Ext: 5114
>>
>> F: 450.991.3456
>>
>> david.dupuis at cadensimaging.com
>>
>>
>>
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