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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 itkLevelSetEquationContainer_hxx
#define itkLevelSetEquationContainer_hxx
#include "itkNumericTraits.h"
namespace itk
{
template <typename TTermContainer>
void
LevelSetEquationContainer<TTermContainer>::AddEquation(const LevelSetIdentifierType & iId,
TermContainerType * iEquation)
{
if (iEquation)
{
if (this->m_LevelSetContainer.IsNotNull())
{
iEquation->SetLevelSetContainer(this->m_LevelSetContainer);
}
else
{
if (!iEquation->GetLevelSetContainer())
{
itkGenericExceptionMacro("m_LevelSetContainer and iEquation->GetLevelSetContainer() are nullptr");
}
}
this->m_Container[iId] = iEquation;
if (iEquation->GetInput())
{
this->m_Input = iEquation->GetModifiableInput();
}
this->Modified();
}
else
{
itkGenericExceptionMacro("Term supplied is null");
}
}
template <typename TTermContainer>
auto
LevelSetEquationContainer<TTermContainer>::GetEquation(const LevelSetIdentifierType & iId) const -> TermContainerType *
{
if (this->m_Container.empty())
{
itkGenericExceptionMacro("m_Container is empty");
}
auto it = this->m_Container.find(iId);
if (it == this->m_Container.end())
{
itkGenericExceptionMacro("this equation " << iId << " does not exist");
}
return it->second;
}
template <typename TTermContainer>
auto
LevelSetEquationContainer<TTermContainer>::Begin() -> Iterator
{
return Iterator(m_Container.begin());
}
template <typename TTermContainer>
auto
LevelSetEquationContainer<TTermContainer>::End() -> Iterator
{
return Iterator(m_Container.end());
}
template <typename TTermContainer>
auto
LevelSetEquationContainer<TTermContainer>::Begin() const -> ConstIterator
{
return ConstIterator(m_Container.begin());
}
template <typename TTermContainer>
auto
LevelSetEquationContainer<TTermContainer>::End() const -> ConstIterator
{
return ConstIterator(m_Container.end());
}
template <typename TTermContainer>
void
LevelSetEquationContainer<TTermContainer>::UpdateInternalEquationTerms()
{
for (auto it = this->m_Container.begin(); it != this->m_Container.end(); ++it)
{
(it->second)->Update();
}
}
template <typename TTermContainer>
void
LevelSetEquationContainer<TTermContainer>::UpdatePixel(const LevelSetInputIndexType & iP,
const LevelSetOutputRealType & oldValue,
const LevelSetOutputRealType & newValue)
{
for (MapContainerIterator it = this->m_Container.begin(); it != this->m_Container.end(); ++it)
{
(it->second)->UpdatePixel(iP, oldValue, newValue);
}
}
template <typename TTermContainer>
void
LevelSetEquationContainer<TTermContainer>::InitializeParameters()
{
for (auto it = this->m_Container.begin(); it != this->m_Container.end(); ++it)
{
(it->second)->InitializeParameters();
}
}
template <typename TTermContainer>
auto
LevelSetEquationContainer<TTermContainer>::ComputeCFLContribution() const -> LevelSetOutputRealType
{
LevelSetOutputRealType oValue = NumericTraits<LevelSetOutputRealType>::max();
for (auto it = this->m_Container.begin(); it != this->m_Container.end(); ++it)
{
oValue = std::min(oValue, (it->second)->ComputeCFLContribution());
}
return oValue;
}
} // namespace itk
#endif // itkLevelSetEquationContainer_hxx
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