[vtkusers] growing RAM memory

[G G]

Do you know somebody please?

2011/4/28 G G <greenlander1986 at gmail.com>

> Hi, I loading data to QVTKWidget
> I have some inicialization method.
>
> void GUI::widgetInicialization(QVTKWidget *widget, vtkRenderer *ren)
> {
>     vtkRenderWindow *renwin = vtkRenderWindow::New();
>     ren = vtkRenderer::New();
>     renwin->AddRenderer(ren);
>     widget->SetRenderWindow(renwin);
>     widget->update();
>     renwin->Delete();
> }
>
> Then I load some data and display it...
>
>     vtkSmartPointer<vtkRenderer> renderer =
> vtkSmartPointer<vtkRenderer>::New();
>     renderer->AddActor(actor);
>     widget->GetRenderWindow()->AddRenderer(renderer);
>     widget->GetRenderWindow()->Render();
>
> But when I load some data previous data stay in renderer? How to delete
> renderer?
> I try before each data loading call this method...
>
> void GUI::widgetInicialization(QVTKWidget *widget, vtkRenderer *ren)
> {
>     try
>     {
>         widget->GetRenderWindow()->Delete();
>     }
>     catch(...)
>     {}
>      vtkRenderWindow *renwin = vtkRenderWindow::New();
>     ren = vtkRenderer::New();
>     renwin->AddRenderer(ren);
>     widget->SetRenderWindow(renwin);
>     widget->update();
>     renwin->Delete();
> }
>
> but any reasons :(
> Do you hepl me please how to delete renderers?
>
> Thank you
>
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