[vtkusers] Interactive graph in QVTKRenderWindowInteractor (VTK 6.1/Python 2.7/Pyside)

[Noeska Smit]

Thank you for your fast reply, Michka. The first example does run here, so I
believe the problem is related to using the 2D API with Qt. 

To double check this, I have rewritten that first example to include an
animated graph. A flurry of OpenGL errors start streaming and the animation
does not start. I can interact with the graph (pan and zoom) but I cannot
interact with the vertices to drag them around.

This is the OpenGL error: 
<http://vtk.1045678.n5.nabble.com/file/n5726307/opengl.png> 

I have included the adjusted PyQt example here:  graphexample.py
<http://vtk.1045678.n5.nabble.com/file/n5726307/graphexample.py>  


Michka Popoff wrote
> Hi,
> 
> QVTKWidget is not really tested I think, the preferred way is to use the
> QVTKRenderWindowInteractor.
> 
> There are two examples I wrote with the help of the people here on the
> list, and by refactoring some older code.
> I personally us the first one.
> 
> http://www.vtk.org/Wiki/VTK/Examples/Python/Widgets/EmbedPyQt





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