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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 itkLevelSetEquationCurvatureTerm_hxx
#define itkLevelSetEquationCurvatureTerm_hxx
#include "itkLevelSetEquationCurvatureTerm.h"
namespace itk
{
template< typename TInput, typename TLevelSetContainer, typename TCurvatureImage >
LevelSetEquationCurvatureTerm< TInput, TLevelSetContainer, TCurvatureImage >
::LevelSetEquationCurvatureTerm()
{
for( unsigned int i = 0; i < ImageDimension; i++ )
{
this->m_NeighborhoodScales[i] = 1.0;
}
this->m_TermName = "Curvature term";
this->m_RequiredData.insert( "MeanCurvature" );
this->m_UseCurvatureImage = false;
}
template< typename TInput, typename TLevelSetContainer, typename TCurvatureImage >
LevelSetEquationCurvatureTerm< TInput, TLevelSetContainer, TCurvatureImage >
::~LevelSetEquationCurvatureTerm()
{
}
template< typename TInput, typename TLevelSetContainer, typename TCurvatureImage >
void
LevelSetEquationCurvatureTerm< TInput, TLevelSetContainer, TCurvatureImage >
::SetCurvatureImage( CurvatureImageType* iImage )
{
m_CurvatureImage = iImage;
m_UseCurvatureImage = true;
this->Modified();
}
template< typename TInput, typename TLevelSetContainer, typename TCurvatureImage >
typename LevelSetEquationCurvatureTerm< TInput, TLevelSetContainer, TCurvatureImage >::LevelSetOutputRealType
LevelSetEquationCurvatureTerm< TInput, TLevelSetContainer, TCurvatureImage >
::Value( const LevelSetInputIndexType& iP, const LevelSetDataType& iData )
{
// MeanCurvature has should be computed by this point.
itkAssertInDebugAndIgnoreInReleaseMacro( iData.MeanCurvature.m_Computed == true );
if( !m_UseCurvatureImage )
{
return iData.MeanCurvature.m_Value;
}
else
{
return m_CurvatureImage->GetPixel( iP ) * iData.MeanCurvature.m_Value;
}
}
template< typename TInput, typename TLevelSetContainer, typename TCurvatureImage >
void
LevelSetEquationCurvatureTerm< TInput, TLevelSetContainer, TCurvatureImage >
::InitializeParameters()
{
this->SetUp();
if( m_UseCurvatureImage )
{
if( m_CurvatureImage.IsNull() )
{
itkGenericExceptionMacro( << "m_UseCurvatureImage is true and m_CurvatureImage is null" );
}
}
}
template< typename TInput, typename TLevelSetContainer, typename TCurvatureImage >
void
LevelSetEquationCurvatureTerm< TInput, TLevelSetContainer, TCurvatureImage >
::Initialize( const LevelSetInputIndexType& )
{
}
template< typename TInput, typename TLevelSetContainer, typename TCurvatureImage >
void
LevelSetEquationCurvatureTerm< TInput, TLevelSetContainer, TCurvatureImage >
::Update()
{
}
template< typename TInput, typename TLevelSetContainer, typename TCurvatureImage >
void
LevelSetEquationCurvatureTerm< TInput, TLevelSetContainer, TCurvatureImage >
::UpdatePixel( const LevelSetInputIndexType& itkNotUsed( iP ),
const LevelSetOutputRealType& itkNotUsed( oldValue ),
const LevelSetOutputRealType& itkNotUsed( newValue ) )
{
}
template< typename TInput, typename TLevelSetContainer, typename TCurvatureImage >
typename LevelSetEquationCurvatureTerm< TInput, TLevelSetContainer, TCurvatureImage >::LevelSetOutputRealType
LevelSetEquationCurvatureTerm< TInput, TLevelSetContainer, TCurvatureImage >
::Value( const LevelSetInputIndexType& iP )
{
if( !m_UseCurvatureImage )
{
return this->m_CurrentLevelSetPointer->EvaluateMeanCurvature( iP );
}
else
{
return m_CurvatureImage->GetPixel( iP ) * this->m_CurrentLevelSetPointer->EvaluateMeanCurvature( iP );
}
}
}
#endif
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