[vtkusers] VTK not releasing memory, including minimal example.

[P.J.Schaafsma]

...and the VTK_DEBUG_LEAKS output. Seems to work. Everything is cleaned up.
Still, memory use is > 100Mb during the event loop in this simple case.

Used source:


int main()
{
	vtkXMLImageDataReader *reader = vtkXMLImageDataReader::New();
	//reader->SetFileName("e:\\data\\volume\\manix_low.vti");
	reader->SetFileName("/media/Data/data/volume/manix_low.vti");

	vtkContourFilter *contour = vtkContourFilter::New();
	contour->SetInputConnection(reader->GetOutputPort());
	contour->SetValue(0, 800);

	vtkPolyDataMapper *mapper = vtkPolyDataMapper::New();
	mapper->SetInputConnection(contour->GetOutputPort());
	mapper->Update();

	vtkActor *actor = vtkActor::New();
	actor->SetMapper(mapper);

	vtkRenderer *renderer = vtkRenderer::New();
	renderer->AddActor(actor);

	vtkRenderWindow *render_window = vtkRenderWindow::New();
	render_window->AddRenderer(renderer);

	vtkInteractorStyleTrackballCamera *style =
vtkInteractorStyleTrackballCamera::New();
	
	vtkRenderWindowInteractor *interactor = vtkRenderWindowInteractor::New();
	interactor->SetInteractorStyle(style);
	interactor->SetRenderWindow(render_window);
	interactor->Initialize();
	 
	////// Comment this out and save memory
	render_window->Render();
	//////	
	
	renderer->RemoveActor(actor);
	render_window->Render();
	
	actor->Delete();
	mapper->Delete();
	contour->Delete();
	reader->Delete();

	interactor->Start();
	
	render_window->RemoveRenderer(renderer);
	interactor->SetInteractorStyle(0);
	
	style->Delete();
	interactor->Delete();
	renderer->Delete();
	render_window->Delete();
	
	// Just checking debug leaks works
	vtkActor *a = vtkActor::New();
	
	return 0;
}

Output


vtkDebugLeaks has detected LEAKS!
Class "vtkMatrix4x4" has 2 instances still around.
Class "vtkOpenGLActor" has 1 instance still around.
Class "vtkTransform" has 1 instance still around.






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