[vtkusers] Segfault when Adding Renderer in Linux but now Window

[Mathieu Westphal]

Hi Robert,

Please take a look into VTK/GUISupport/Qt/Testing/Cxx/QVTKOpenGLWidget* for
example usage of the QVTKOpenGLWidget

Best,

Mathieu Westphal


On Wed, Sep 26, 2018 at 10:19 PM <robert.hedges at lickenbrocktech.com> wrote:

>
>
> I'm running VTK master branch (qt 5.10.1) and have code that will run in
> Windows but not in Linux:
>
> The ui file defines the qvtkWidget as a QVTKOpenGLWidget
>
> These lines run as expected:
>
>
> vtkSmartPointer<vtkGenericOpenGLRenderWindow>
> vRendWin=vtkSmartPointer<vtkGenericOpenGLRenderWindow>::New();
> vtkSmartPointer<vtkRenderer> vRend=vtkSmartPointer<vtkRenderer>::New();
> ui.qvtkWidget->SetRenderWindow(vRendWin);
>
>
> However, this line causes a segfault:
>
>
> ui.qvtkWidget->GetRenderWindow()->AddRenderer(vRend);
>
>
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