VTK/Examples/Cxx/WishList/vtkCompositeDataGeometryFilter

#include <vtkSmartPointer.h>
#include <vtkLSDynaReader.h>
#include <vtkSmartPointer.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkUnstructuredGrid.h>
#include <vtkCompositeDataGeometryFilter.h>
#include <vtkCompositeDataPipeline.h>
 
int main(int argc, char *argv[])
{
  // Parse command line arguments
  if(argc != 2)
    {
    std::cout << "Required arguments: Filename" << std::endl;
    return EXIT_FAILURE;
    }
 
  vtkCompositeDataPipeline* pipeline = vtkCompositeDataPipeline::New();
  vtkAlgorithm::SetDefaultExecutive(pipeline);
  //pipeline->Delete();
 
  std::string filename = argv[1];
  vtkSmartPointer<vtkLSDynaReader> reader =
    vtkSmartPointer<vtkLSDynaReader>::New();
  reader->SetFileName(filename.c_str());
  reader->Update();
 
  vtkSmartPointer<vtkCompositeDataGeometryFilter> compositeFilter =
    vtkSmartPointer<vtkCompositeDataGeometryFilter>::New();
  compositeFilter->SetInputConnection(reader->GetOutputPort());
  compositeFilter->Update();
 
  // Visualize
  vtkSmartPointer<vtkPolyDataMapper> mapper =
    vtkSmartPointer<vtkPolyDataMapper>::New();
  mapper->SetInputConnection(compositeFilter->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(.3, .6, .3); // Background color green
 
  renderWindow->Render();
  renderWindowInteractor->Start();
 
  return EXIT_SUCCESS;
}