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[FrontAlgorithms.git] / lib / fpa / Filters / Image / Dijkstra.hxx

diff --git a/lib/fpa/Filters/Image/Dijkstra.hxx b/lib/fpa/Filters/Image/Dijkstra.hxx
new file mode 100644 (file)
index 0000000..b7a2f86
--- /dev/null
+++ b/lib/fpa/Filters/Image/Dijkstra.hxx
@@ -0,0 +1,51 @@
+// =========================================================================
+// @author Leonardo Florez Valencia
+// @email florez-l@javeriana.edu.co
+// =========================================================================
+#ifndef __fpa__Filters__Image__Dijkstra__hxx__
+#define __fpa__Filters__Image__Dijkstra__hxx__
+
+#include <fpa/Functors/Dijkstra/Image/Identity.h>
+
+// -------------------------------------------------------------------------
+template< class _TInputImage, class _TOutputImage, class _TMark, class _TTraits, class _TMST >
+fpa::Filters::Image::Dijkstra< _TInputImage, _TOutputImage, _TMark, _TTraits, _TMST >::
+Dijkstra( )
+  : Superclass( )
+{
+  typedef fpa::Functors::Dijkstra::Image::Identity< TInputImage, TOutputValue > _TFunc;
+
+  this->SetWeightFunction( _TFunc::New( ) );
+}
+
+// -------------------------------------------------------------------------
+template< class _TInputImage, class _TOutputImage, class _TMark, class _TTraits, class _TMST >
+fpa::Filters::Image::Dijkstra< _TInputImage, _TOutputImage, _TMark, _TTraits, _TMST >::
+~Dijkstra( )
+{
+}
+
+// -------------------------------------------------------------------------
+template< class _TInputImage, class _TOutputImage, class _TMark, class _TTraits, class _TMST >
+void fpa::Filters::Image::Dijkstra< _TInputImage, _TOutputImage, _TMark, _TTraits, _TMST >::
+_ConfigureOutputs( )
+{
+  this->Superclass::_ConfigureOutputs( );
+
+  const TInputImage* in = this->GetInput( );
+  TMST* mst = this->GetMinimumSpanningTree( );
+  mst->SetLargestPossibleRegion( in->GetLargestPossibleRegion( ) );
+  mst->SetRequestedRegion( in->GetRequestedRegion( ) );
+  mst->SetBufferedRegion( in->GetBufferedRegion( ) );
+  mst->SetSpacing( in->GetSpacing( ) );
+  mst->SetOrigin( in->GetOrigin( ) );
+  mst->SetDirection( in->GetDirection( ) );
+  mst->Allocate( );
+
+  typename TVertex::OffsetType o;
+  o.Fill( 0 );
+  mst->FillBuffer( o );
+}
+
+#endif // __fpa__Filters__Image__Dijkstra__hxx__
+// eof - $RCSfile$