[vtkusers] vtkImageActor "FILL_SCENE" is there an easy way ?

[Butterfly]

Hi all, 

I am new to VTK, I try to use vtkImageActor inside a resizeable window. I
want the 2D image always be stretched to the full size of the window. 

I managed to achieve similar behavior with vtkChartXY like this:
         vtkChartXY->SetLayoutStrategy(vtkChart::FILL_SCENE)

But now I am confused with vtkImageActor. Seems that the only way is to add
vtkCamera and calculate and change scaling and zoom every time the window
size is being changed. 

Is there an easier way to achieve what I want ? Maybe I should not use
vtkImageActor, but something else?

I use VTK 6.1

Thank you very much in advance!!!



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