[vtkusers] fit to screen in vtkImageViewer2 + QVTKWidget

[Bill Lorensen]

This example may help.
https://lorensen.github.io/VTKExamples/site/Cxx/Images/FillWindow/

On Jul 26, 2017 6:36 AM, "K O ranjith" <kor1581 at gmail.com> wrote:

> Hello,
> Using  vtkImageViewer2 + QVTKWidget and vtkInteractorStyleImage, I
> created a DICOM image viewer.  But the image mot filling to the the
> entire viewport.  I need the fit the image to the viewport. For this I
> tried different suggestion available online, but no effect,
> like
>
>     m_vtkImViewer->GetRenderer()->GetActiveCamera()->ParallelProjectionOn();
>
>     m_vtkImViewer->GetRenderer()->GetActiveCamera()->SetParallelScale(1000);
>
>
>     m_vtkImViewer->GetRenderer()->GetActiveCamera()->Dolly(10);
>
>
>        m_vtkImViewer->GetRenderWindow()->SetSize(50, 50);
>
>
> Please help to fit the image in window.
>
> Screenshot of current viewer is attached.
>
> As shown in the screnshot the image is displaying within a margin inside the viewport.
>
> But the corner annotations (set using vtkCornerAnnotation) are set in corners of the view port.
>
>
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