tests/image/Dijkstra_Identity.cxx

   1 #include "BaseFunctions.h"
   2 #include <itkImage.h>
   3 #include <fpa/Image/Dijkstra.h>
   4 #include <fpa/Image/Functors/Dijkstra/Identity.h>
   5
   6 // -------------------------------------------------------------------------
   7 const unsigned int Dim = 2;
   8 typedef unsigned char TPixel;
   9 typedef float         TScalar;
  10
  11 typedef itk::Image< TPixel, Dim >                                    TInputImage;
  12 typedef itk::Image< TScalar, Dim >                                  TScalarImage;
  13 typedef fpa::Image::Dijkstra< TInputImage, TScalarImage >                TFilter;
  14 typedef fpa::Image::Functors::Dijkstra::Identity< TInputImage, TScalar > TWeight;
  15
  16 // -------------------------------------------------------------------------
  17 int main( int argc, char* argv[] )
  18 {
  19   // Get arguments
  20   if( argc < 5 )
  21   {
  22     std::cerr
  23       << "Usage: " << argv[ 0 ]
  24       << " output_image output_marks width height ..."
  25       << std::endl;
  26     return( 1 );
  27
  28   } // fi
  29   std::string output_image_filename = argv[ 1 ];
  30   std::string output_marks_filename = argv[ 2 ];
  31   int width = std::atoi( argv[ 3 ] );
  32   int height = std::atoi( argv[ 4 ] );
  33
  34   // Create image
  35   TInputImage::Pointer image;
  36   fpa::tests::image::CreateImage( image, 1, width, height, 1.0, 1.0 );
  37
  38   // Prepare weight
  39   TWeight::Pointer weight = TWeight::New( );
  40
  41   // Prepare filter
  42   TFilter::Pointer filter = TFilter::New( );
  43   filter->SetInput( image );
  44   filter->SetWeightFunction( weight );
  45
  46   // Get all seeds
  47   for( int i = 5; i < argc; i += 2 )
  48   {
  49     if( i + 1 < argc )
  50     {
  51       TInputImage::IndexType seed;
  52       seed[ 0 ] = std::atoi( argv[ i ] );
  53       seed[ 1 ] = std::atoi( argv[ i + 1 ] );
  54       filter->AddSeed( seed );
  55
  56     } // fi
  57
  58   } // rof
  59
  60   // Execute filter
  61   filter->Update( );
  62
  63   // Save results
  64   std::string err1 =
  65     fpa::tests::image::Write( filter->GetOutput( ), output_image_filename );
  66   std::string err2 =
  67     fpa::tests::image::Write( filter->GetMarks( ), output_marks_filename );
  68   if( err1 != "" ) std::cerr << err1 << std::endl;
  69   if( err2 != "" ) std::cerr << err2 << std::endl;
  70
  71   return( 0 );
  72 }
  73
  74 // eof - $RCSfile$