[vtkusers] Problem with bugging additional window (QVTKWidget)

[Eric E. Monson]

Hey Erik,

Take a look at [vtk_src]/Examples/GUI/Qt/SimpleView/SimpleView.cxx and see how it's doing the setup with a QVTKWidget. You may be better off not trying to create the render window and interactor, but just using the ones created by the widget. Maybe something like this:

QVTKWidget *m_AxialWidget;
m_Image = vtkImageData::New();
m_ActorAxial = vtkActor::New();
m_MapperAxial = vtkDataSetMapper::New();
m_ExtractAxial = vtkImageClip::New();
m_RendererAxial = vtkRenderer::New();
m_InteractionStyleAxial = new ViewerInteractor(this, m_RendererAxial); //my own interactor style

m_WindowAxial = m_AxialWidget->GetRenderWindow();
m_InteractorAxial = m_WindowAxial->GetInteractor();
m_InteractorAxial->SetInteractorStyle( m_InteractionStyleAxial );
m_WindowAxial->AddRenderer( m_RendererAxial );
m_ExtractAxial->SetInput( m_Image );

(..) //configuring m_ExtractAxial

m_MapperAxial->SetInputConnection( m_ExtractAxial->GetOutputPort() );
m_ActorAxial->SetMapper( m_MapperAxial );
m_RendererAxial->AddActor( m_ActorAxial );
m_RendererAxial->ResetCamera();

Not sure if that's quite right (still finishing my coffee this morning), but I think it will get you closer.
-Eric

------------------------------------------------------
Eric E Monson
Duke Visualization Technology Group


On Nov 4, 2010, at 6:14 AM, Erik Tuerke wrote:

> Hi!
> 
> I want to create an application with qt and vtk using the QVTKWidget. My problem is that for all QVTKWidgets i get an additional widget (decoupled from my application). It appears that vtk creates this window when i call the vtkRenderWindowInteractor::Initialize() function.
> 
> So here is my pipeline:
> 
> QVTKWidget *m_AxialWidget;
> m_Image = vtkImageData::New();
> m_ActorAxial = vtkActor::New();
> m_MapperAxial = vtkDataSetMapper::New();
> m_ExtractAxial = vtkImageClip::New();
> m_RendererAxial = vtkRenderer::New();
> m_WindowAxial = vtkRenderWindow::New();
> m_InteractorAxial = vtkRenderWindowInteractor::New();
> m_InteractionStyleAxial = new ViewerInteractor(this, m_RendererAxial); //my own interactor style
> 
> m_InteractorAxial->SetInteractorStyle( m_InteractionStyleAxial );
> m_WindowAxial->SetInteractor( m_InteractorAxial );
> m_WindowAxial->AddRenderer( m_RendererAxial );
> m_ExtractAxial->SetInput( m_Image );
> (..) //configuring m_ExtractAxial
> m_ExtractAxial->Update();
> m_MapperAxial->SetInput( m_ExtractAxial->GetOutput() );
> m_ActorAxial->SetMapper( m_MapperAxial );
> m_RendererAxial->AddActor( m_ActorAxial );
> m_InteractorAxial->Initialize(); // <--------additional window appears
> m_AxialWidget->SetRenderWindow( m_WindowAxial );
> m_RendererAxial->ResetCamera();
> m_AxialWidget->update();
> 
> 
> How can i get rid of this window?
> 
> Thanks a lot!!!
> 
> -- 
> Erik Tuerke
> Department of Neurophysics Max-Planck-Institute for Human Cognitive and Brain Sciences
> Stephanstrasse 1A
> 04103 Leipzig
> Germany Tel: +49 341 99 40-2440
> Email: tuerke at cbs.mpg.de
> www.cbs.mpg.de
> 
> 
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