[Paraview] Tcl: accessing VTK properties via proxies/server manager

[Utkarsh Ayachit]

You are correct, paraview uses proxies for every VTK object. However
this proxy is not an instance of the vtk object for which it is a proxy.
A proxy is vtkSMProxy (or subclass). A vtkSMProxy provides properties
(vtkSMProperty subclasses) which can be used to call methods on the vtk
object the proxy stands for.

To get started with using the proxy-property interface try this:
* create a visualization in paraview.
* select File | Save Batch Script and save the visualization as a batch
file.
The batch file shows how to create new proxies as well as modify
properties on those proxies.

Utkarsh.

Christoph Moder wrote:
> Hi all,
> 
> I have partly understood how to use the Tcl command line; after figuring
> out the class hierarchy, I was able to do stuff like:
> 
> [[[$Application GetMainWindow] GetCurrentPVSource] GetPVColorMap]
> SetScalarRange 0 0.5
> 
> But this works only for vtkPV... or vtkSM... objects. How do I access
> VTK properties like vtkCamera::SetEyeAngle()? As far as I have
> understood, there must be a proxy for this object which is controlled by
> the server manager. But how is it done? Can anyone give me some hints?
> 
> Thanks,
> Christoph
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