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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 itkLevelSetEquationLaplacianTerm_hxx
#define itkLevelSetEquationLaplacianTerm_hxx
#include "itkLevelSetEquationLaplacianTerm.h"
namespace itk
{
template< typename TInput, typename TLevelSetContainer >
LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >
::LevelSetEquationLaplacianTerm()
{
this->m_TermName = "Laplacian term";
this->m_RequiredData.insert( "Laplacian" );
}
template< typename TInput, typename TLevelSetContainer >
LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >
::~LevelSetEquationLaplacianTerm()
{
}
template< typename TInput, typename TLevelSetContainer >
void
LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >
::InitializeParameters()
{
this->SetUp();
}
template< typename TInput, typename TLevelSetContainer >
void
LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >
::Initialize( const LevelSetInputIndexType& )
{
}
template< typename TInput, typename TLevelSetContainer >
void
LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >
::Update()
{
}
template< typename TInput, typename TLevelSetContainer >
void
LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >
::UpdatePixel( const LevelSetInputIndexType& itkNotUsed( iP ),
const LevelSetOutputRealType& itkNotUsed( oldValue ),
const LevelSetOutputRealType& itkNotUsed( newValue ) )
{
}
template< typename TInput, typename TLevelSetContainer >
typename LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >::LevelSetOutputRealType
LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >
::LaplacianSpeed( const LevelSetInputIndexType& itkNotUsed(iP) ) const
{
return NumericTraits< LevelSetOutputRealType >::OneValue();
}
template< typename TInput, typename TLevelSetContainer >
typename LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >::LevelSetOutputRealType
LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >
::Value( const LevelSetInputIndexType& iP )
{
LevelSetOutputRealType laplacian = this->m_CurrentLevelSetPointer->EvaluateLaplacian( iP );
laplacian *= this->LaplacianSpeed( iP );
return laplacian;
}
template< typename TInput, typename TLevelSetContainer >
typename LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >::LevelSetOutputRealType
LevelSetEquationLaplacianTerm< TInput, TLevelSetContainer >
::Value( const LevelSetInputIndexType& iP, const LevelSetDataType& iData )
{
// Laplacian should be computed by this point.
itkAssertInDebugAndIgnoreInReleaseMacro( iData.Laplacian.m_Computed == true );
LevelSetOutputRealType laplacian = iData.Laplacian.m_Value;
laplacian *= this->LaplacianSpeed( iP );
return laplacian;
}
}
#endif
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