VTK/Examples/Cxx/PolyData/TransformFilter

#include <vtkSmartPointer.h>
 
#include <vtkArrowSource.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkTransform.h>
#include <vtkTransformFilter.h>
 
int main(int, char *[])
{
  // Create an arrow.
  vtkSmartPointer<vtkArrowSource> arrowSource = 
    vtkSmartPointer<vtkArrowSource>::New();
 
  vtkSmartPointer<vtkTransform> transform =
    vtkSmartPointer<vtkTransform>::New();
  transform->Scale(5,1,1);
 
  vtkSmartPointer<vtkTransformFilter> transformFilter =
    vtkSmartPointer<vtkTransformFilter>::New();
  transformFilter->SetInputConnection(arrowSource->GetOutputPort());
  transformFilter->SetTransform(transform);
 
  // Visualize
  vtkSmartPointer<vtkPolyDataMapper> mapper = 
    vtkSmartPointer<vtkPolyDataMapper>::New();
  mapper->SetInputConnection(transformFilter->GetOutputPort());
  vtkSmartPointer<vtkActor> actor = 
    vtkSmartPointer<vtkActor>::New();
  actor->SetMapper(mapper);
 
  vtkSmartPointer<vtkRenderer> renderer = 
    vtkSmartPointer<vtkRenderer>::New();
  vtkSmartPointer<vtkRenderWindow> renderWindow = 
    vtkSmartPointer<vtkRenderWindow>::New();
  renderWindow->AddRenderer(renderer);
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = 
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  renderWindowInteractor->SetRenderWindow(renderWindow);
 
  renderer->AddActor(actor);
  renderer->SetBackground(.2, .3, .4);
 
  renderWindow->Render();
  renderWindowInteractor->Start();
 
  return EXIT_SUCCESS;
}