VTK/Examples/Cxx/Widgets/ImagePlaneWidget

#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkPolyData.h>
#include <vtkSmartPointer.h>
#include <vtkSphereSource.h>
#include <vtkImagePlaneWidget.h>
#include <vtkInteractorStyleTrackballActor.h>
#include <vtkInteractorStyleTrackballCamera.h>
 
int main(int, char *[])
{
  vtkSmartPointer<vtkSphereSource> sphereSource = 
    vtkSmartPointer<vtkSphereSource>::New();
  sphereSource->Update();
 
  // Create a mapper and actor
  vtkSmartPointer<vtkPolyDataMapper> mapper = 
    vtkSmartPointer<vtkPolyDataMapper>::New();
  mapper->SetInputConnection(sphereSource->GetOutputPort());
  vtkSmartPointer<vtkActor> actor = 
    vtkSmartPointer<vtkActor>::New();
  actor->SetMapper(mapper);
 
  // A renderer and render window
  vtkSmartPointer<vtkRenderer> renderer = 
    vtkSmartPointer<vtkRenderer>::New();
  vtkSmartPointer<vtkRenderWindow> renderWindow = 
    vtkSmartPointer<vtkRenderWindow>::New();
  renderWindow->AddRenderer(renderer);
  renderer->AddActor(actor);
 
  // An interactor
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = 
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  renderWindowInteractor->SetRenderWindow(renderWindow);
 
 
  //vtkSmartPointer<vtkInteractorStyleTrackballActor> style = 
    //vtkSmartPointer<vtkInteractorStyleTrackballActor>::New();
  vtkSmartPointer<vtkInteractorStyleTrackballCamera> style = 
    vtkSmartPointer<vtkInteractorStyleTrackballCamera>::New();
 
  renderWindowInteractor->SetInteractorStyle( style );
 
  vtkSmartPointer<vtkImagePlaneWidget> planeWidget = 
    vtkSmartPointer<vtkImagePlaneWidget>::New();
  planeWidget->SetInteractor(renderWindowInteractor);
 
  double origin[3] = {0, 1,0};
  planeWidget->SetOrigin(origin);
  planeWidget->UpdatePlacement();
 
  // Render
  renderWindow->Render();
 
  renderWindowInteractor->Initialize();
  renderWindow->Render();
  planeWidget->On();
 
  // Begin mouse interaction
  renderWindowInteractor->Start();
 
  return EXIT_SUCCESS;
}