itkFastMarchingBase.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/

#ifndef __itkFastMarchingBase_h
#define __itkFastMarchingBase_h

#include "itkIntTypes.h"
#include "itkFastMarchingStoppingCriterionBase.h"
#include "itkFastMarchingTraits.h"

#include <queue>
#include <functional>

namespace itk
{
template< typename TInput, typename TOutput >
class FastMarchingBase : public FastMarchingTraits<TInput, TOutput>::SuperclassType
  {
public:
  typedef FastMarchingTraits<TInput, TOutput>   Traits;
  typedef typename Traits::SuperclassType       SuperclassType;

  typedef FastMarchingBase            Self;
  typedef SuperclassType              Superclass;
  typedef SmartPointer< Self >        Pointer;
  typedef SmartPointer< const Self >  ConstPointer;

  typedef typename Traits::InputDomainType        InputDomainType;
  typedef typename Traits::InputDomainPointer     InputDomainPointer;
  typedef typename Traits::InputPixelType         InputPixelType;

  typedef typename Traits::OutputDomainType       OutputDomainType;
  typedef typename Traits::OutputDomainPointer    OutputDomainPointer;
  typedef typename Traits::OutputPixelType        OutputPixelType;

  typedef typename Traits::NodeType                 NodeType;

  typedef typename Traits::NodePairType             NodePairType;
  typedef typename Traits::NodePairContainerType    NodePairContainerType;
  typedef typename Traits::NodePairContainerPointer NodePairContainerPointer;
  typedef typename Traits::NodePairContainerConstIterator
    NodePairContainerConstIterator;

  typedef typename Traits::LabelType                LabelType;

  typedef FastMarchingStoppingCriterionBase< TInput, TOutput > StoppingCriterionType;
  typedef typename StoppingCriterionType::Pointer              StoppingCriterionPointer;

  /*
  typedef long ElementIdentifier;

  typedef MinPriorityQueueElementWrapper< NodeType,
    OutputPixelType,
    ElementIdentifier > PriorityQueueElementType;

  typedef PriorityQueueContainer< PriorityQueueElementType,
    PriorityQueueElementType,
    OutputPixelType,
    ElementIdentifier > PriorityQueueType;
  typedef typename PriorityQueueType::Pointer PriorityQueuePointer;
  */

  enum TopologyCheckType {

    Nothing = 0,

    NoHandles,

    Strict };

  itkSetMacro( TopologyCheck, TopologyCheckType );
  itkGetConstReferenceMacro( TopologyCheck, TopologyCheckType );

  itkSetObjectMacro( TrialPoints, NodePairContainerType );
  itkGetModifiableObjectMacro(TrialPoints, NodePairContainerType );

  itkSetObjectMacro( AlivePoints, NodePairContainerType );
  itkGetModifiableObjectMacro(AlivePoints, NodePairContainerType );

  itkSetObjectMacro( ProcessedPoints, NodePairContainerType );
  itkGetModifiableObjectMacro(ProcessedPoints, NodePairContainerType );

  itkSetObjectMacro( ForbiddenPoints, NodePairContainerType );
  itkGetModifiableObjectMacro(ForbiddenPoints, NodePairContainerType );

  itkSetObjectMacro( StoppingCriterion, StoppingCriterionType );
  itkGetModifiableObjectMacro(StoppingCriterion, StoppingCriterionType );

  itkGetMacro( SpeedConstant, double );
  itkSetMacro( SpeedConstant, double );

  itkGetMacro( NormalizationFactor, double );
  itkSetMacro( NormalizationFactor, double );

  itkGetMacro( TargetReachedValue, OutputPixelType );

  itkSetMacro(CollectPoints, bool);

  itkGetConstReferenceMacro(CollectPoints, bool);
  itkBooleanMacro(CollectPoints);

protected:

  FastMarchingBase();

  virtual ~FastMarchingBase();

  StoppingCriterionPointer m_StoppingCriterion;

  double m_SpeedConstant;
  double m_InverseSpeed;
  double m_NormalizationFactor;

  OutputPixelType m_TargetReachedValue;
  OutputPixelType m_LargeValue;
  OutputPixelType m_TopologyValue;

  NodePairContainerPointer  m_TrialPoints;
  NodePairContainerPointer  m_AlivePoints;
  NodePairContainerPointer  m_ProcessedPoints;
  NodePairContainerPointer  m_ForbiddenPoints;

  bool m_CollectPoints;

  //PriorityQueuePointer m_Heap;
  typedef std::vector< NodePairType >   HeapContainerType;
  typedef std::greater< NodePairType >  NodeComparerType;

  typedef std::priority_queue<
    NodeType,
    HeapContainerType,
    NodeComparerType >
    PriorityQueueType;

  PriorityQueueType m_Heap;

  TopologyCheckType m_TopologyCheck;

  virtual IdentifierType GetTotalNumberOfNodes() const = 0;

  virtual const OutputPixelType GetOutputValue( OutputDomainType* oDomain,
                                         const NodeType& iNode ) const = 0;

  virtual void SetOutputValue( OutputDomainType* oDomain,
                              const NodeType& iNode,
                              const OutputPixelType& iValue ) = 0;

  virtual unsigned char
  GetLabelValueForGivenNode( const NodeType& iNode ) const = 0;

  virtual void SetLabelValueForGivenNode( const NodeType& iNode,
                                         const LabelType& iLabel ) = 0;

  virtual void UpdateNeighbors( OutputDomainType* oDomain,
                               const NodeType& iNode ) = 0;

  virtual void UpdateValue( OutputDomainType* oDomain,
                           const NodeType& iNode ) = 0;

  virtual bool CheckTopology( OutputDomainType* oDomain,
                             const NodeType& iNode ) = 0;

  void Initialize( OutputDomainType* oDomain );

  virtual void InitializeOutput( OutputDomainType* oDomain ) = 0;

  void GenerateData();

  void PrintSelf(std::ostream & os, Indent indent) const;

private:
  FastMarchingBase( const Self& );
  void operator = ( const Self& );
  };
}

#include "itkFastMarchingBase.hxx"
#endif