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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 __itkFastMarchingStoppingCriterionBase_h
#define __itkFastMarchingStoppingCriterionBase_h
#include "itkStoppingCriterionBase.h"
#include "itkNumericTraits.h"
#include "itkFastMarchingTraits.h"
namespace itk
{
/** \class FastMarchingStoppingCriterionBase
\brief Abstract Stopping Criterion dedicated for Fast Marching Methods
\ingroup ITKFastMarching
*/
template< typename TInput, typename TOutput >
class FastMarchingStoppingCriterionBase : public StoppingCriterionBase
{
public:
typedef FastMarchingStoppingCriterionBase Self;
typedef StoppingCriterionBase Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
typedef FastMarchingTraits< TInput, TOutput > Traits;
typedef typename Traits::NodeType NodeType;
typedef typename Traits::OutputPixelType OutputPixelType;
typedef typename Traits::NodePairType NodePairType;
typedef typename Traits::OutputDomainType OutputDomainType;
typedef typename Traits::OutputDomainPointer OutputDomainPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(FastMarchingStoppingCriterionBase, StoppingCriterionBase);
/** Reinitialize internal values. */
void Reinitialize()
{
m_CurrentValue = NumericTraits< OutputPixelType >::Zero;
m_PreviousValue = NumericTraits< OutputPixelType >::Zero;
this->Reset();
}
void SetCurrentNodePair( const NodePairType& iNodePair )
{
this->SetCurrentNode( iNodePair.GetNode() );
this->SetCurrentValue( iNodePair.GetValue() );
}
itkSetObjectMacro( Domain, OutputDomainType );
itkGetModifiableObjectMacro(Domain, OutputDomainType );
protected:
/** Constructor */
FastMarchingStoppingCriterionBase() : Superclass(), m_Domain( ITK_NULLPTR )
{
m_CurrentValue = NumericTraits< OutputPixelType >::Zero;
m_PreviousValue = NumericTraits< OutputPixelType >::Zero;
}
/** Destructor */
virtual ~FastMarchingStoppingCriterionBase() {}
OutputDomainPointer m_Domain;
OutputPixelType m_PreviousValue;
OutputPixelType m_CurrentValue;
/** Inherited classes must implement this method and make sure member variables
got reinitialized. */
virtual void Reset() = 0;
/** Set the Current Node */
virtual void SetCurrentNode( const NodeType& iNode ) = 0;
/** Set the Current Value */
virtual void SetCurrentValue( const OutputPixelType& iValue )
{
m_PreviousValue = m_CurrentValue;
m_CurrentValue = iValue;
}
private:
FastMarchingStoppingCriterionBase( const Self& );
void operator = ( const Self& );
};
}
#endif
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