[vtkusers] setSlice problem on QVTKWidget

[goodsit2]

I hate to resurface this problem, but I have similar code and was able to
reproduce the error. Before trying Massi's of getting the window to render
in the widget, I kind of went in a loop as you will see right below, but
myInteractor would not work in the widget. However, it does work if I try it
in an external window (just not in the widget). Code below for non-working
interactor.

iToVconnector->SetInput(reader->GetOutput());
	
    vtkSmartPointer<vtkImageViewer2> imageViewer =
          vtkSmartPointer<vtkImageViewer2>::New();
    imageViewer->SetInput(iToVconnector->GetOutput());

    vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
            vtkSmartPointer<vtkRenderWindowInteractor>::New();

    vtkSmartPointer<DicomInteractorStyleImage> myInteractor =
            vtkSmartPointer<DicomInteractorStyleImage>::New();

    myInteractor->SetImageViewer(imageViewer);
    myInteractor->SetStatusMapper(myLabel);
	
    imageViewer->SetupInteractor(renderWindowInteractor);


    myWindow->SetRenderWindow(renderWindowInteractor->GetRenderWindow());
	imageViewer->SetupInteractor(myWindow->GetRenderWindow()->GetInteractor());

myWindow->GetRenderWindow()->GetInteractor()->SetInteractorStyle(myInteractor);
    imageViewer->Render();
    imageViewer->GetRenderer()->ResetCamera();
    imageViewer->Render();
    myWindow->update();

And since I saw Mass's interactor working, I thought I would try his method
as seen below:

vtkImageViewer2 * imageViewer = vtkImageViewer2::New();
    imageViewer->SetInput(iToVconnector->GetOutput());

    DicomInteractorStyleImage * myInteractor =
DicomInteractorStyleImage::New();

    // make imageviewer2 and dicomViewerLabel visible to our interactorstyle
    // to enable slice status message updates when scrolling through the
slices
    myInteractor->SetImageViewer(imageViewer);
    myInteractor->SetStatusMapper(myLabel);
	
	myWindow->SetRenderWindow(imageViewer->GetRenderWindow());
	imageViewer->SetupInteractor(myWindow->GetRenderWindow()->GetInteractor());

myWindow->GetRenderWindow()->GetInteractor()->SetInteractorStyle(myInteractor);
	myWindow->update();

Though the program crashed instantly when it ran through this section. I
even tried his pointer theory, but still my program crashed. I narrowed it
down to two lines of code. Those are:

myWindow->SetRenderWindow(imageViewer->GetRenderWindow());
imageViewer->SetupInteractor(myWindow->GetRenderWindow()->GetInteractor());

If either of these lines were in the code, it crashed the program. Any
thoughts? Thanks for reading :)

Bests,

Jeremy



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