[vtkusers] vtkImageResize doesn't resize...

[Jecko90]

Hi!! 

I'm trying to resize all the vtkImageActors of a vtkRenderer to a fixed
width and height. 
The code snippet below in my nooby opinion should work, instead it does
nothing. 
What are the mistakes I did?

I've been stuck with this problem for days...Please help me to solve it!! 

        vtkSmartPointer<vtkProp> Prop = PropCollection->GetNextProp();
        if (Prop->IsA("vtkImageActor")) {
            vtkSmartPointer<vtkImageActor> ImageActor =
vtkImageActor::SafeDownCast(Prop);
            
            vtkSmartPointer<vtkImageResize> ImageResize =
vtkSmartPointer<vtkImageResize>::New();
            ImageResize->SetResizeMethodToOutputDimensions();
            ImageResize->SetOutputDimensions(maxWidth, maxHeight, -1);
            ImageResize->SetInputData(ImageActor->GetMapper()->GetInput());
            ImageResize->Update();
           
ImageActor->GetMapper()->SetInputConnection(ImageResize->GetOutputPort());
        }
        renderWindow->Render();



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