itkShortestPathNode.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
#ifndef __itkShortestPathNode_h_
#define __itkShortestPathNode_h_
 
#include "MitkGraphAlgorithmsExports.h"
 
namespace itk
{
  typedef double DistanceType; // Type to declare the costs
  typedef unsigned int
    NodeNumType; // Type for Node Numeration: unsignend int for up to 4.2 billion pixel in 32Bit system
 
  class MITKGRAPHALGORITHMS_EXPORT ShortestPathNode
  {
  public:
    DistanceType distance;     // minimal costs from StartPoint to this pixel
    DistanceType distAndEst;   // Distance+Estimated Distance to target
    NodeNumType prevNode;      // previous node. Important to find the Shortest Path
    NodeNumType mainListIndex; // Indexnumber of this node in m_Nodes
    bool closed;               // determines if this node is closes, so its optimal path to startNode is known
  };
 
  // bool operator<(const ShortestPathNode &a) const;
  // bool operator==(const ShortestPathNode &a) const;
}
 
#endif