X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=tests%2Fimage%2FDijkstra%2FInvert.cxx;fp=tests%2Fimage%2FDijkstra%2FInvert.cxx;h=fc0ace714e2845a2d831322b018fa973813d6e78;hb=bd89a1af0c14ed2ac0afeca923103de54283cbaf;hp=0000000000000000000000000000000000000000;hpb=a8ac405fe1422bc0792a810f7f0693096a22c20e;p=FrontAlgorithms.git

diff --git a/tests/image/Dijkstra/Invert.cxx b/tests/image/Dijkstra/Invert.cxx
new file mode 100644
index 0000000..fc0ace7
--- /dev/null
+++ b/tests/image/Dijkstra/Invert.cxx
@@ -0,0 +1,102 @@
+// =========================================================================
+// @author Leonardo Florez Valencia
+// @email florez-l@javeriana.edu.co
+// =========================================================================
+
+#include <itkImage.h>
+#include <itkImageFileReader.h>
+#include <itkImageFileWriter.h>
+#include <fpa/Filters/Image/Dijkstra.h>
+#include <fpa/Functors/Dijkstra/Invert.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;
+
+// -------------------------------------------------------------------------
+int main( int argc, char* argv[] )
+{
+  // Get arguments
+  if( argc < 7 )
+  {
+    std::cerr
+      << "Usage: " << argv[ 0 ]
+      << " input_image output_image output_marks output_mst alpha beta [seeds]"
+      << std::endl;
+    return( 1 );
+
+  } // fi
+  std::string input_image_filename = argv[ 1 ];
+  std::string output_image_filename = argv[ 2 ];
+  std::string output_marks_filename = argv[ 3 ];
+  std::string output_mst_filename = argv[ 4 ];
+  double alpha = std::atof( argv[ 5 ] );
+  double beta = std::atof( argv[ 6 ] );
+
+  // Read image
+  typedef itk::ImageFileReader< TInputImage > TInputImageReader;
+  TInputImageReader::Pointer input_image_reader = TInputImageReader::New( );
+  input_image_reader->SetFileName( input_image_filename );
+
+  // Prepare weight functor
+  typedef fpa::Functors::Dijkstra::Invert< TOutputPixel > TWeight;
+  TWeight::Pointer weight = TWeight::New( );
+  weight->SetAlpha( alpha );
+  weight->SetBeta( beta );
+
+  // Prepare filter
+  typedef fpa::Filters::Image::Dijkstra< TInputImage, TOutputImage > TFilter;
+  TFilter::Pointer filter = TFilter::New( );
+  filter->SetInput( input_image_reader->GetOutput( ) );
+  filter->SetWeightFunction( weight );
+
+  // Get all seeds
+  for( int i = 7; i < argc; i += Dim )
+  {
+    TInputImage::IndexType seed;
+    for( int j = 0; j < Dim; ++j )
+      if( i + j < argc )
+        seed[ j ] = std::atoi( argv[ i + j ] );
+    filter->AddSeed( seed );
+
+  } // rof
+
+  // Execute filter
+  filter->Update( );
+
+  // Save results
+  typedef itk::ImageFileWriter< TFilter::TOutputImage > TOutputWriter;
+  TOutputWriter::Pointer output_writer = TOutputWriter::New( );
+  output_writer->SetInput( filter->GetOutput( ) );
+  output_writer->SetFileName( output_image_filename );
+
+  typedef itk::ImageFileWriter< TFilter::TMarksImage > TMarksWriter;
+  TMarksWriter::Pointer marks_writer = TMarksWriter::New( );
+  marks_writer->SetInput( filter->GetMarks( ) );
+  marks_writer->SetFileName( output_marks_filename );
+
+  typedef itk::ImageFileWriter< TFilter::TMST > TMSTWriter;
+  TMSTWriter::Pointer mst_writer = TMSTWriter::New( );
+  mst_writer->SetInput( filter->GetMinimumSpanningTree( ) );
+  mst_writer->SetFileName( output_mst_filename );
+
+  try
+  {
+    output_writer->Update( );
+    marks_writer->Update( );
+    mst_writer->Update( );
+  }
+  catch( std::exception& err )
+  {
+    std::cerr << "Error caught: " << err.what( ) << std::endl;
+    return( 1 );
+
+  } // yrt
+
+  return( 0 );
+}
+
+// eof - $RCSfile$