1 // =========================================================================
2 // @author Leonardo Florez Valencia
3 // @email florez-l@javeriana.edu.co
4 // =========================================================================
7 #include <itkImageFileReader.h>
8 #include <fpa/Common/Image/PathWriter.h>
9 #include <fpa/Filters/Image/ExtractAxis.h>
11 // -------------------------------------------------------------------------
12 const unsigned int Dim = 2;
13 typedef unsigned char TPixel;
14 typedef float TScalar;
15 typedef itk::Image< TPixel, Dim > TImage;
17 // -------------------------------------------------------------------------
18 int main( int argc, char* argv[] )
24 << "Usage: " << argv[ 0 ]
25 << " input_image output_axis [seeds]"
30 std::string input_image_filename = argv[ 1 ];
31 std::string output_path_filename = argv[ 2 ];
34 typedef itk::ImageFileReader< TImage > TImageReader;
35 TImageReader::Pointer input_image_reader = TImageReader::New( );
36 input_image_reader->SetFileName( input_image_filename );
39 typedef fpa::Filters::Image::ExtractAxis< TImage, TScalar > TFilter;
40 TFilter::Pointer filter = TFilter::New( );
41 filter->SetInput( input_image_reader->GetOutput( ) );
44 for( int i = 3; i < argc; i += Dim )
46 TImage::IndexType seed;
47 for( int j = 0; j < Dim; ++j )
49 seed[ j ] = std::atoi( argv[ i + j ] );
50 filter->AddSeed( seed );
52 filter->SetStartIndex( seed );
54 filter->SetEndIndex( seed );
62 typedef fpa::Common::Image::PathWriter< TFilter::TPath > TPathWriter;
63 TPathWriter::Pointer path_writer = TPathWriter::New( );
64 path_writer->SetInput( filter->GetOutput( ) );
65 path_writer->SetFileName( output_path_filename );
69 path_writer->Update( );
71 catch( std::exception& err )
73 std::cerr << "Error caught: " << err.what( ) << std::endl;