VTK/Examples/Cxx/Visualization/QuadricLODActor

#include <vtkPolyDataMapper.h>
#include <vtkQuadricLODActor.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkPolyData.h>
#include <vtkProperty.h>
#include <vtkSmartPointer.h>
#include <vtkSphereSource.h>
 
int main(int, char *[])
{
  // High res sphere
  vtkSmartPointer<vtkSphereSource> highResSphereSource = 
    vtkSmartPointer<vtkSphereSource>::New();
  highResSphereSource->SetThetaResolution(200);
  highResSphereSource->SetPhiResolution(200);
  highResSphereSource->Update();
 
  vtkSmartPointer<vtkPolyDataMapper> highResMapper = 
    vtkSmartPointer<vtkPolyDataMapper>::New();
  highResMapper->SetInputConnection(highResSphereSource->GetOutputPort());
 
  vtkSmartPointer<vtkQuadricLODActor> actor = 
    vtkSmartPointer<vtkQuadricLODActor>::New();
  actor->SetMapper(highResMapper);
  actor->GetProperty()->SetInterpolationToFlat();
 
  // A renderer and render window
  vtkSmartPointer<vtkRenderer> renderer = 
    vtkSmartPointer<vtkRenderer>::New();
  vtkSmartPointer<vtkRenderWindow> renderWindow = 
    vtkSmartPointer<vtkRenderWindow>::New();
  renderWindow->AddRenderer(renderer);
 
  // An interactor
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = 
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  renderWindowInteractor->SetRenderWindow(renderWindow);
 
  renderWindowInteractor->SetDesiredUpdateRate(1e20);
 
  renderer->AddActor(actor);
  renderWindow->Render();
  renderWindowInteractor->Start();
 
  return EXIT_SUCCESS;
}