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[FrontAlgorithms.git] / appli / examples / example_Image_Dijkstra_DanielssonCost.cxx

diff --git a/appli/examples/example_Image_Dijkstra_DanielssonCost.cxx b/appli/examples/example_Image_Dijkstra_DanielssonCost.cxx
deleted file mode 100644 (file)
index 3eb387f..0000000
--- a/appli/examples/example_Image_Dijkstra_DanielssonCost.cxx
+++ /dev/null
@@ -1,204 +0,0 @@
-#include <cstdlib>
-#include <iostream>
-#include <limits>
-#include <string>
-
-#include <itkImage.h>
-#include <itkImageToVTKImageFilter.h>
-
-#include <itkImageFileReader.h>
-#include <itkMinimumMaximumImageCalculator.h>
-#include <itkInvertIntensityImageFilter.h>
-#include <itkDanielssonDistanceMapImageFilter.h>
-#include <itkImageFileWriter.h>
-
-#include <vtkCamera.h>
-#include <vtkImageActor.h>
-#include <vtkInteractorStyleImage.h>
-#include <vtkPointHandleRepresentation3D.h>
-#include <vtkProperty.h>
-#include <vtkRenderer.h>
-#include <vtkRenderWindow.h>
-#include <vtkRenderWindowInteractor.h>
-#include <vtkSeedRepresentation.h>
-#include <vtkSeedWidget.h>
-#include <vtkSmartPointer.h>
-
-#include <fpa/Image/Dijkstra.h>
-#include <fpa/Base/Functors/InvertCostFunction.h>
-#include <fpa/VTK/Image2DObserver.h>
-
-// -------------------------------------------------------------------------
-const unsigned int Dim = 2;
-typedef unsigned char TInputPixel;
-typedef float         TOutputPixel;
-
-typedef itk::Image< TInputPixel, Dim >            TInputImage;
-typedef itk::Image< TOutputPixel, Dim >           TOutputImage;
-typedef itk::ImageToVTKImageFilter< TInputImage > TVTKInputImage;
-
-// -------------------------------------------------------------------------
-int main( int argc, char* argv[] )
-{
-  if( argc < 5 )
-  {
-    std::cerr
-      << "Usage: " << argv[ 0 ]
-      << " input_image output_image neighborhood_order stop_at_one_front"
-      << std::endl;
-    return( 1 );
-
-  } // fi
-  std::string input_image_fn = argv[ 1 ];
-  std::string output_image_fn = argv[ 2 ];
-  unsigned int neighborhood_order = std::atoi( argv[ 3 ] );
-  bool stop_at_one_front = ( std::atoi( argv[ 4 ] ) != 0 );
-
-  // Read image
-  itk::ImageFileReader< TInputImage >::Pointer input_image_reader =
-    itk::ImageFileReader< TInputImage >::New( );
-  input_image_reader->SetFileName( input_image_fn );
-  try
-  {
-    input_image_reader->Update( );
-  }
-  catch( itk::ExceptionObject& err )
-  {
-    std::cerr
-      << "Error while reading image from " << input_image_fn << ": "
-      << err << std::endl;
-    return( 1 );
-
-  } // yrt
-  TInputImage::ConstPointer input_image = input_image_reader->GetOutput( );
-  TVTKInputImage::Pointer vtk_input_image = TVTKInputImage::New( );
-  vtk_input_image->SetInput( input_image );
-  vtk_input_image->Update( );
-
-  // VTK visualization
-  vtkSmartPointer< vtkImageActor > actor =
-    vtkSmartPointer< vtkImageActor >::New( );
-  actor->SetInputData( vtk_input_image->GetOutput( ) );
-
-  vtkSmartPointer< vtkRenderer > renderer =
-    vtkSmartPointer< vtkRenderer >::New( );
-  renderer->SetBackground( 0.1, 0.2, 0.7 );
-  renderer->AddActor( actor );
-  vtkSmartPointer< vtkRenderWindow > window =
-    vtkSmartPointer< vtkRenderWindow >::New( );
-  window->SetSize( 800, 800 );
-  window->AddRenderer( renderer );
-
-  // Correct camera due to the loaded image
-  vtkCamera* camera = renderer->GetActiveCamera( );
-  camera->SetViewUp( 0, -1, 0 );
-  camera->SetPosition( 0, 0, -1 );
-  camera->SetFocalPoint( 0, 0, 0 );
-
-  // VTK interaction
-  vtkSmartPointer< vtkInteractorStyleImage > imageStyle =
-    vtkSmartPointer< vtkInteractorStyleImage >::New( );
-  vtkSmartPointer< vtkRenderWindowInteractor > interactor =
-    vtkSmartPointer< vtkRenderWindowInteractor >::New( );
-  interactor->SetInteractorStyle( imageStyle );
-  window->SetInteractor( interactor );
-
-  // Create the widget and its representation
-  vtkSmartPointer< vtkPointHandleRepresentation3D > handle =
-    vtkSmartPointer< vtkPointHandleRepresentation3D >::New( );
-  handle->GetProperty( )->SetColor( 1, 0, 0 );
-  vtkSmartPointer< vtkSeedRepresentation > rep =
-    vtkSmartPointer< vtkSeedRepresentation >::New( );
-  rep->SetHandleRepresentation( handle );
-
-  vtkSmartPointer< vtkSeedWidget > widget =
-    vtkSmartPointer< vtkSeedWidget >::New( );
-  widget->SetInteractor( interactor );
-  widget->SetRepresentation( rep );
-
-  // Let some interaction
-  interactor->Initialize( );
-  renderer->ResetCamera( );
-  window->Render( );
-  widget->On( );
-  interactor->Start( );
-
-  // Invert input image
-  itk::MinimumMaximumImageCalculator< TInputImage >::Pointer minmax =
-    itk::MinimumMaximumImageCalculator< TInputImage >::New( );
-  minmax->SetImage( input_image );
-  minmax->Compute( );
-
-  itk::InvertIntensityImageFilter< TInputImage >::Pointer invert =
-    itk::InvertIntensityImageFilter< TInputImage >::New( );
-  invert->SetInput( input_image );
-  invert->SetMaximum( minmax->GetMaximum( ) );
-
-  itk::DanielssonDistanceMapImageFilter< TInputImage, TOutputImage >::Pointer dmap =
-    itk::DanielssonDistanceMapImageFilter< TInputImage, TOutputImage >::New( );
-  dmap->SetInput( invert->GetOutput( ) );
-  dmap->InputIsBinaryOn( );
-  dmap->SquaredDistanceOn( );
-  dmap->UseImageSpacingOn( );
-  dmap->Update( );
-
-  typedef fpa::Base::Functors::InvertCostFunction< TOutputPixel > TFunction;
-  TFunction::Pointer function = TFunction::New( );
-
-  // Prepare region grow filter
-  typedef fpa::Image::Dijkstra< TOutputImage, TOutputImage > TFilter;
-  TFilter::Pointer filter = TFilter::New( );
-  filter->SetInput( dmap->GetOutput( ) );
-  filter->SetConversionFunction( function );
-  filter->SetNeighborhoodOrder( neighborhood_order );
-  filter->SetStopAtOneFront( stop_at_one_front );
-
-  // Get user-given seeds
-  for( unsigned int s = 0; s < rep->GetNumberOfSeeds( ); s++ )
-  {
-    double pos[ 3 ];
-    rep->GetSeedWorldPosition( s, pos );
-
-    TInputImage::PointType pnt;
-    pnt[ 0 ] = TInputImage::PointType::ValueType( pos[ 0 ] );
-    pnt[ 1 ] = TInputImage::PointType::ValueType( pos[ 1 ] );
-
-    TInputImage::IndexType idx;
-    if( input_image->TransformPhysicalPointToIndex( pnt, idx ) )
-      filter->AddSeed( idx, 0 );
-
-  } // rof
-
-  // Prepare graphical debugger
-  typedef fpa::VTK::Image2DObserver< TFilter, vtkRenderWindow > TDebugger;
-  TDebugger::Pointer debugger = TDebugger::New( );
-  debugger->SetRenderWindow( window );
-  debugger->SetRenderPercentage( 0.001 );
-  filter->AddObserver( itk::AnyEvent( ), debugger );
-  filter->ThrowEventsOn( );
-
-  // Go!
-  filter->Update( );
-
-  // Save final total cost map
-  itk::ImageFileWriter< TOutputImage >::Pointer output_image_writer =
-    itk::ImageFileWriter< TOutputImage >::New( );
-  output_image_writer->SetFileName( output_image_fn );
-  output_image_writer->SetInput( filter->GetOutput( ) );
-  try
-  {
-    output_image_writer->Update( );
-  }
-  catch( itk::ExceptionObject& err )
-  {
-    std::cerr
-      << "Error while writing image to " << output_image_fn << ": "
-      << err << std::endl;
-    return( 1 );
-
-  } // yrt
-
-  return( 0 );
-}
-
-// eof - $RCSfile$