[vtkusers] how to change vtkImagePlaneWidget's size

[qlizhi]

I want to change the widget's size of vrkImagePlaneWidget in my volume,   the default size is actually the size of v16's size, but i want it to be double size.

  planeWidgetZ->SetInteractor( viren);
  planeWidgetZ->SetKeyPressActivationValue('z');
  planeWidgetZ->SetPicker(picker);
  planeWidgetZ->GetPlaneProperty()->SetColor(0,0,1);
  planeWidgetZ->SetTexturePlaneProperty(ipwProp);
  planeWidgetZ->TextureInterpolateOn();
  planeWidgetZ->SetResliceInterpolateToCubic();
  planeWidgetZ->SetInput(v16->GetOutput());
  planeWidgetZ->SetPlaneOrientationToZAxes();
  planeWidgetZ->SetSliceIndex(0);
  planeWidgetZ->SetLookupTable( hueLut);
  planeWidgetZ->DisplayTextOn();
  planeWidgetZ->On();




qlizhi
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