vtkOBJReader + LOD based rendering

    vtkSmartPointer<vtkOBJReader> reader = vtkSmartPointer<vtkOBJReader>::New();
    reader->SetFileName(filename.c_str());
    reader->Update();

    vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New();
    mapper->SetInputConnection(reader->GetOutputPort());

    // Read the image data from a file
    vtkSmartPointer<vtkJPEGReader> imgReader = vtkSmartPointer<vtkJPEGReader>::New();
    imgReader->SetFileName(texturePath.c_str());
    imgReader->Update();

    // Create texture object
    vtkSmartPointer<vtkTexture> texture = vtkSmartPointer<vtkTexture>::New();
    texture->SetInputConnection(imgReader->GetOutputPort());
    texture->InterpolateOn();

    vtkSmartPointer<vtkQuadricLODActor> actor = vtkSmartPointer<vtkQuadricLODActor>::New();
    actor->SetMapper(mapper);
    actor->GetProperty()->SetInterpolationToFlat();
    actor->SetTexture(texture);

    // A renderer and render window
    vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New();
    renderer->SetBackground(0.2, 0.3, 0.4);
    vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New();
    renderWindow->AddRenderer(renderer);

    // An interactor
    vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<
        vtkRenderWindowInteractor>::New();
    renderWindowInteractor->SetRenderWindow(renderWindow);
    renderWindowInteractor->SetDesiredUpdateRate(15);

    renderer->AddActor(actor);

    renderWindow->Render();
    renderWindowInteractor->Start();