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List:       paraview
Subject:    [Paraview] Access on widget properties
From:       "Stephan Rogge" <Stephan.Rogge () tu-cottbus ! de>
Date:       2012-03-30 13:25:37
Message-ID: 004501cd0e78$988611c0$c9923540$ () tu-cottbus ! de
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Hello,

I want to have access on the "HandlePositions" property of a spline widget
(proxygroup="3d_widget_representations" proxyname="SplineRepresentation").
So I tried to search proxies and its properties via vtkSMProxyManager which
is similar to the way of the VR-Plugin. 

To try this approach I've create a new scene with a single Spline widget and
saved the state file. The widget representation is named as
"DataRepresentation1". I thought I can now have access on certain properties
- let's say "HandlePositions" - and change the values as I desire.
Unfortunately, this does not work:  

vtkSMProxy* Proxy = 
       vtkSMProxyManager::GetProxyManager()->
            GetActiveSessionProxyManager()->
            GetProxy( " DataRepresentation1" );

if(Proxy)
  {
  vtkSMDoubleVectorProperty* Property =
           vtkSMDoubleVectorProperty::SafeDownCast( 
              Proxy->GetProperty( " HandlePositions " ));	
  }

The property would be NULL.

Can someone help me please?

Thanks. 

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