[Paraview] Graphic window disappears using: pvpython sphere.py

[pat marion]

Unfortunately, pvpython does not support render window interaction.  But you
can make it work with a extra scripting:

from paraview.simple import *

# Create a view
view = CreateRenderView()

# Initialize a new interactor
from libvtkRenderingPython import *
iren = vtkRenderWindowInteractor()
iren.SetInteractorStyle(vtkInteractorStyleTrackball())
iren.SetRenderWindow(view.GetRenderWindow())
iren.Initialize()

# Build pipeline
Sphere()
Show()
Render()

# Start interaction
iren.Start()


In interactive pvpython, you can go to the window and hit 'q' to give focus
back to the command line, then call iren.Start() again to give focus back to
the window.


Pat


On Wed, Jun 30, 2010 at 2:34 PM, Ted Thompson <tedthompson61 at gmail.com>wrote:

> I am trying to draw 3D graphics using the pvpython shell. The following
> file is named sphere.py
>
> -----------------------
> import os
> import paraview
> from paraview.simple import *
> from paraview.servermanager import *
> Connect()
> sph=Sphere()
> Show(sph)
> Render()
> -------------------
>
> I execute the following command from a DOS cmd window:
>
> pvpython sphere.py
>
> These commands appear to work and a window is created showing the sphere
> but it immediately goes away. Do I need some type of wait command in the
> script? When I execute these commands interactively in the pvpython window
> the window locks up. When I execute them, minus the Connect() in the
> Paraview GUI provided Python window they work fine.
>
> I want a separate graphics window with no GUI shown.
>
> What am I missing here?
>
>
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