- /* TODO
- filter->SetThresholdRange( lower, upper, delta );
- TImage::PointType pnt;
- for( int i = 0; i < VDim; ++i )
- pnt[ i ] = std::atof( argv[ i + 6 ] );
-
- TImage::IndexType seed;
- if( !( reader->GetOutput( )->TransformPhysicalPointToIndex( pnt, seed ) ) )
- {
- std::cerr << "ERROR: seed outside image." << std::endl;
- return( 1 );
-
- } // fi
- filter->AddSeed( seed );
-
- std::chrono::time_point< std::chrono::system_clock > start, end;
- start = std::chrono::system_clock::now( );
- filter->Update( );
- end = std::chrono::system_clock::now( );
- std::chrono::duration< double > elapsed_seconds = end - start;
-
- TThreshold::Pointer threshold = TThreshold::New( );
- threshold->SetInput( filter->GetOutput( ) );
- threshold->SetInsideValue( 255 );
- threshold->SetOutsideValue( 0 );
- threshold->SetLowerThreshold( 0 );
- threshold->SetUpperThreshold( filter->GetOptimumThreshold( ) );
-
- TWriter::Pointer writer = TWriter::New( );
- writer->SetInput( threshold->GetOutput( ) );
- writer->SetFileName( output_image_filename );
- try
- {
- writer->Update( );
- }
- catch( std::exception& err )
- {
- std::cerr << "ERROR: " << err.what( ) << std::endl;
- return( 1 );
+ if( argc > 3 )
+ {
+ filter->SeedFromMaximumDistanceOff( );
+ TImage::PointType pnt;
+ for( int i = 0; i < VDim; ++i )
+ pnt[ i ] = std::atof( argv[ i + 3 ] );
+ TImage::IndexType seed;
+ if( !( reader->GetOutput( )->TransformPhysicalPointToIndex( pnt, seed ) ) )
+ {
+ std::cerr << "ERROR: seed outside image." << std::endl;
+ return( 1 );
+
+ } // fi
+ filter->AddSeed( seed );
+ }
+ else
+ filter->SeedFromMaximumDistanceOn( );
+
+ std::chrono::time_point< std::chrono::system_clock > start, end;
+ start = std::chrono::system_clock::now( );
+ filter->Update( );
+ end = std::chrono::system_clock::now( );
+ std::chrono::duration< double > elapsed_seconds = end - start;
+
+ TWriter::Pointer writer = TWriter::New( );
+ writer->SetInput( filter->GetSkeleton( ) );
+ writer->SetFileName( output_skeleton_filename );
+ try
+ {
+ writer->Update( );
+ }
+ catch( std::exception& err )
+ {
+ std::cerr << "ERROR: " << err.what( ) << std::endl;
+ return( 1 );