-#ifndef __FPA__BASE__DIJKSTRA__H__
-#define __FPA__BASE__DIJKSTRA__H__
+// =========================================================================
+// @author Leonardo Florez Valencia
+// @email florez-l@javeriana.edu.co
+// =========================================================================
-#include <vector>
-#include <fpa/Base/Algorithm.h>
+#ifndef __fpa__Base__Dijkstra__h__
+#define __fpa__Base__Dijkstra__h__
+
+#include <fpa/Base/DijkstraBase.h>
namespace fpa
{
{
/**
*/
- template< class V, class C, class VV, class VC >
- class DijkstraTraits
- {
- public:
- typedef V TVertex;
- typedef C TResult;
- typedef C TCost;
- typedef VV TVertexValue;
- typedef VC TVertexCmp;
- typedef long TFrontId;
-
- class TNode
- {
- public:
- TNode( )
- : Cost( 0 )
- { }
- TNode( const TVertex& v, const TFrontId& f )
- : Vertex( v ),
- Parent( v ),
- Result( TResult( 0 ) ),
- FrontId( f ),
- Cost( TCost( 0 ) )
- { }
- TNode( const TVertex& v, const TResult& r, const TFrontId& f )
- : Vertex( v ),
- Parent( v ),
- Result( r ),
- FrontId( f ),
- Cost( TCost( 0 ) )
- { }
- virtual ~TNode( )
- { }
-
- // NOTE: stl::heaps work as maximum priority queues
- bool operator<( const TNode& other ) const
- { return( other.Cost < this->Cost ); }
-
- TVertex Vertex;
- TVertex Parent;
- TResult Result;
- TFrontId FrontId;
- TCost Cost;
- };
-
- typedef std::vector< TNode > TNodes;
- };
-
- /**
- * Dijkstra is a front propagation algorithm that minimizes costs
- */
- template< class V, class C, class VV, class VC, class B >
+ template< class _TAlgorithm, class _TMST >
class Dijkstra
- : public Algorithm< DijkstraTraits< V, C, VV, VC >, B >
+ : public fpa::Base::DijkstraBase< _TAlgorithm >
{
public:
- // Templated types
- typedef V TVertex;
- typedef C TCost;
- typedef VV TVertexValue;
- typedef B TBaseFilter;
- typedef DijkstraTraits< V, C, VV, VC > TTraits;
-
- // Standard class typdedefs
- typedef Dijkstra Self;
- typedef Algorithm< TTraits, B > Superclass;
- typedef itk::SmartPointer< Self > Pointer;
- typedef itk::SmartPointer< const Self > ConstPointer;
+ typedef Dijkstra Self;
+ typedef fpa::Base::DijkstraBase< _TAlgorithm > Superclass;
+ typedef itk::SmartPointer< Self > Pointer;
+ typedef itk::SmartPointer< const Self > ConstPointer;
- protected:
- typedef typename TTraits::TFrontId _TFrontId;
- typedef typename TTraits::TNode _TNode;
- typedef typename TTraits::TNodes _TNodes;
+ typedef _TMST TMST;
+
+ typedef typename Superclass::TNode TNode;
+ typedef typename Superclass::TNodes TNodes;
+ typedef typename Superclass::TInputValue TInputValue;
+ typedef typename Superclass::TOutputValue TOutputValue;
+ typedef typename Superclass::TFrontId TFrontId;
+ typedef typename Superclass::TVertex TVertex;
+ typedef typename Superclass::TSeeds TSeeds;
- typedef std::vector< _TNode > _TQueue;
+ typedef typename Superclass::TQueue TQueue;
+ typedef typename Superclass::TQueueOrder TQueueOrder;
+ typedef typename Superclass::TWeightFunction TWeightFunction;
public:
- itkTypeMacro( Dijkstra, Base );
+ TMST* GetMinimumSpanningTree( );
+ const TMST* GetMinimumSpanningTree( ) const;
protected:
Dijkstra( );
virtual ~Dijkstra( );
- virtual void _InitializeQueue ( );
- virtual bool _IsQueueEmpty ( ) const;
- virtual void _QueuePush ( const _TNode& n );
- virtual _TNode _QueuePop ( );
- virtual void _QueueClear ( );
- virtual bool _UpdateNeigh ( _TNode& nn, const _TNode& n );
+ virtual void _AfterGenerateData( ) override;
+ virtual void _UpdateOutputValue( TNode& n ) override;
private:
- // Purposely not implemented
- Dijkstra( const Self& );
- void operator=( const Self& );
+ // Purposely not implemented.
+ Dijkstra( const Self& other );
+ Self& operator=( const Self& other );
- private:
- _TQueue m_Queue;
+ protected:
+ unsigned int m_MSTIdx;
};
} // ecapseman
} // ecapseman
-#include <fpa/Base/Dijkstra.hxx>
+#ifndef ITK_MANUAL_INSTANTIATION
+# include <fpa/Base/Dijkstra.hxx>
+#endif // ITK_MANUAL_INSTANTIATION
-#endif // __FPA__BASE__DIJKSTRA__H__
+#endif // __fpa__Base__Dijkstra__h__
// eof - $RCSfile$