Function main

example/opengl_sphere.cpp:202–242

};

int main(int argc, char *argv[])
{
    // create gpu sphere mapper
    vtkSmartPointer<gpu_sphere_mapper> mapper =
        vtkSmartPointer<gpu_sphere_mapper>::New();

    // create actor for gpu sphere mapper
    vtkSmartPointer<vtkActor> actor =
        vtkSmartPointer<vtkActor>::New();
    actor->GetProperty()->LightingOff();
    actor->GetProperty()->SetInterpolationToFlat();
    actor->SetMapper(mapper);

    // create render window
    vtkSmartPointer<vtkRenderer> renderer =
        vtkSmartPointer<vtkRenderer>::New();
    renderer->SetBackground(.1, .2, .31);
    vtkSmartPointer<vtkRenderWindow> renderWindow =
        vtkSmartPointer<vtkRenderWindow>::New();
    renderWindow->SetSize(800, 600);
    renderWindow->AddRenderer(renderer);
    vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
        vtkSmartPointer<vtkRenderWindowInteractor>::New();
    vtkInteractorStyleSwitch *interactorStyle =
        vtkInteractorStyleSwitch::SafeDownCast(
            renderWindowInteractor->GetInteractorStyle()
        );
    interactorStyle->SetCurrentStyleToTrackballCamera();
    renderWindowInteractor->SetRenderWindow(renderWindow);
    renderer->AddActor(actor);

    // render
    renderer->ResetCamera();
    vtkCamera *camera = renderer->GetActiveCamera();
    camera->Elevation(-90.0);
    renderWindowInteractor->Initialize();
    renderWindow->Render();
    renderWindowInteractor->Start();

    return 0;
}