--- /dev/null
+// =========================================================================
+// @author Leonardo Florez Valencia
+// @email florez-l@javeriana.edu.co
+// =========================================================================
+
+#include <itkImage.h>
+#include <itkImageFileReader.h>
+#include <fpa/Common/Image/PathWriter.h>
+#include <fpa/Filters/Image/ExtractAxis.h>
+
+// -------------------------------------------------------------------------
+const unsigned int Dim = 2;
+typedef unsigned char TPixel;
+typedef float TScalar;
+typedef itk::Image< TPixel, Dim > TImage;
+
+// -------------------------------------------------------------------------
+int main( int argc, char* argv[] )
+{
+ // Get arguments
+ if( argc < 3 )
+ {
+ std::cerr
+ << "Usage: " << argv[ 0 ]
+ << " input_image output_axis [seeds]"
+ << std::endl;
+ return( 1 );
+
+ } // fi
+ std::string input_image_filename = argv[ 1 ];
+ std::string output_path_filename = argv[ 2 ];
+
+ // Read image
+ typedef itk::ImageFileReader< TImage > TImageReader;
+ TImageReader::Pointer input_image_reader = TImageReader::New( );
+ input_image_reader->SetFileName( input_image_filename );
+
+ // Prepare filter
+ typedef fpa::Filters::Image::ExtractAxis< TImage, TScalar > TFilter;
+ TFilter::Pointer filter = TFilter::New( );
+ filter->SetInput( input_image_reader->GetOutput( ) );
+
+ // Get all seeds
+ for( int i = 3; i < argc; i += Dim )
+ {
+ TImage::IndexType seed;
+ for( int j = 0; j < Dim; ++j )
+ if( i + j < argc )
+ seed[ j ] = std::atoi( argv[ i + j ] );
+ filter->AddSeed( seed );
+ if( i == 3 )
+ filter->SetStartIndex( seed );
+ else if( i == 4 )
+ filter->SetEndIndex( seed );
+
+ } // rof
+
+ // Execute filter
+ filter->Update( );
+
+ // Save results
+ typedef fpa::Common::Image::PathWriter< TFilter::TPath > TPathWriter;
+ TPathWriter::Pointer path_writer = TPathWriter::New( );
+ path_writer->SetInput( filter->GetOutput( ) );
+ path_writer->SetFileName( output_path_filename );
+
+ try
+ {
+ path_writer->Update( );
+ }
+ catch( std::exception& err )
+ {
+ std::cerr << "Error caught: " << err.what( ) << std::endl;
+ return( 1 );
+
+ } // yrt
+ return( 0 );
+}
+
+// eof - $RCSfile$