// =========================================================================
// @author Leonardo Florez Valencia
// @email florez-l@javeriana.edu.co
// =========================================================================

#include <vtkPolyDataWriter.h>
#include <vtkSmartPointer.h>
#include <fpa/DataStructures/Image/PolyLineParametricPath.h>
#include <fpa/Common/Image/PolyLineParametricPathReader.h>
#include <fpa/VTK/Image/PolyLineParametricPathToPolyDataFilter.h>

// -------------------------------------------------------------------------
const unsigned int Dim = 2;
typedef fpa::DataStructures::Image::PolyLineParametricPath< Dim > TPath;

// -------------------------------------------------------------------------
int main( int argc, char* argv[] )
{
  // Get arguments
  if( argc < 3 )
  {
    std::cerr
      << "Usage: " << argv[ 0 ]
      << " input_path output_vtk"
      << std::endl;
    return( 1 );

  } // fi
  std::string input_path_filename = argv[ 1 ];
  std::string output_vtk_filename = argv[ 2 ];

  // Read image
  typedef fpa::Common::Image::PolyLineParametricPathReader< TPath > TReader;
  TReader::Pointer input_path_reader = TReader::New( );
  input_path_reader->SetFileName( input_path_filename );
  input_path_reader->Update( );

  // Execute filter
  typedef fpa::VTK::Image::PolyLineParametricPathToPolyDataFilter< TPath > TFilter;
  vtkSmartPointer< TFilter > filter = vtkSmartPointer< TFilter >::New( );
  filter->SetInput( input_path_reader->GetOutput( ) );
  filter->Update( );

  // Save results
  vtkSmartPointer< vtkPolyDataWriter > output_vtk_writer =
    vtkSmartPointer< vtkPolyDataWriter >::New( );
  output_vtk_writer->SetFileName( output_vtk_filename.c_str( ) );
  output_vtk_writer->SetInputConnection( filter->GetOutputPort( ) );
  output_vtk_writer->Update( );

  return( 0 );
}

// eof - $RCSfile$