[Paraview] Python - load state just like when using the GUI

[Tim Gallagher]

Hi all,

So I did some more digging. It turns out the instructions on the wiki at:

http://www.vtk.org/Wiki/ParaView/Python_Scripting#Loading_State_and_Manipulating_It

is wrong. If you follow those steps, you just get a black image with nothing in it. However, I found a presentation at:

http://www.vgtc.org/PDF/slides/2008/visweek/tutorial6_ayachit_python.pdf

with the correct steps. To load the state file correctly, one must do:

from paraview.simple import *
servermanager.LoadState(filename)
view = servermanager.GetRenderView()
view.StillRender()

I've requested an account on the wiki so I can make the change to the page (assuming as a new user I can... if not, can somebody update the information?)

Tim

----- Original Message -----
From: "Tim Gallagher" <tim.gallagher at gatech.edu>
To: "ParaView list" <paraview at paraview.org>
Sent: Wednesday, August 17, 2011 11:48:54 PM
Subject: Re: [Paraview] Python - load state just like when using the GUI

We actually just tried to do the same thing for the first time yesterday and had the same issues... so if anybody has an answer, we'd like it too!

Is it just a matter of accessing some kind of data pulled in from the state file and doing a Show() or something? I got the data to appear that way (SelectActiveSource(); Show()), but the views aren't right.

Tim

----- Original Message -----
From: "Villads Egede" <s052397 at student.dtu.dk>
To: paraview at paraview.org
Sent: Wednesday, August 17, 2011 4:11:40 PM
Subject: [Paraview] Python - load state just like when using the GUI

Hi,


I'm fairly new to Paraview but am trying to get a hang on it.

My problem is that I need to make some animations by loading different 
datasets rendered the same way. After having looked at the state file 
(pvsm) one can save in the GUI I thought it would be piece of cake to 
open these ones via a Python script and then save a screenshot from 
there (thus being able to replace the path to the dataset and then being 
able to create the animation), but when I do that, all the view settings 
are not loaded in contrast to when I do it through the GUI. Is there a 
way to "execute" the settings from the state?


Best regards
Villads Egede, Denmark

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