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/*
* Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* 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
*
* 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 otbClampImageFilter_txx
#define otbClampImageFilter_txx
#include "otbClampImageFilter.h"
#include "itkImageRegionIterator.h"
#include "itkNumericTraits.h"
#include <limits>
#include "itkObjectFactory.h"
#include "itkProgressReporter.h"
namespace otb
{
/**
*
*/
template <class TInputImage, class TOutputImage>
ClampImageFilter<TInputImage, TOutputImage>
::ClampImageFilter()
{
m_Lower = std::numeric_limits < OutputPixelValueType >::lowest();
m_Upper = std::numeric_limits < OutputPixelValueType >::max();
}
template <class TInputImage, class TOutputImage>
void
ClampImageFilter<TInputImage, TOutputImage>
::SetLower(OutputPixelValueType val)
{
if ( m_Lower != val )
{
m_Lower = val;
this->GetFunctor().SetLowest( m_Lower );
this->Modified();
}
}
template <class TInputImage, class TOutputImage>
void
ClampImageFilter<TInputImage, TOutputImage>
::SetUpper(OutputPixelValueType val)
{
if ( m_Upper != val )
{
m_Upper = val;
this->GetFunctor().SetHighest( m_Upper );
this->Modified();
}
}
/**
*
*/
template <class TInputImage, class TOutputImage>
void
ClampImageFilter<TInputImage, TOutputImage>
::PrintSelf(std::ostream& os, itk::Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Lower: "
<< static_cast<typename itk::NumericTraits<OutputImagePixelType>::PrintType>(m_Lower)
<< std::endl;
os << indent << "Upper: "
<< static_cast<typename itk::NumericTraits<OutputImagePixelType>::PrintType>(m_Upper)
<< std::endl;
}
/**
* The values greater than or equal to the value are set to UpperValue
*/
template <class TInputImage, class TOutputImage>
void
ClampImageFilter<TInputImage, TOutputImage>
::ClampAbove(const OutputPixelValueType &thresh)
{
if (m_Upper != thresh
|| m_Lower > std::numeric_limits < OutputPixelValueType >::lowest())
{
m_Lower = std::numeric_limits < OutputPixelValueType >::lowest();
m_Upper = thresh;
this->GetFunctor().SetLowest( m_Lower );
this->GetFunctor().SetHighest( m_Upper );
this->Modified();
}
}
/**
* The values less than or equal to the value are set to OutsideValue
*/
template <class TInputImage, class TOutputImage>
void
ClampImageFilter<TInputImage, TOutputImage>
::ClampBelow(const OutputPixelValueType &thresh)
{
if (m_Lower != thresh || m_Upper < std::numeric_limits < OutputPixelValueType >::max())
{
m_Upper = std::numeric_limits < OutputPixelValueType >::max();
m_Lower = thresh;
this->GetFunctor().SetLowest( m_Lower );
this->GetFunctor().SetHighest( m_Upper );
this->Modified();
}
}
/**
* The values outside the range are set to OutsideValue
*/
template <class TInputImage, class TOutputImage>
void
ClampImageFilter<TInputImage, TOutputImage>
::ClampOutside(const OutputPixelValueType &lower, const OutputPixelValueType &upper)
{
if (lower > upper)
{
itkExceptionMacro(<<"Lower threshold cannot be greater than upper threshold.");
return;
}
if (m_Lower != lower || m_Upper != upper)
{
m_Lower = lower;
m_Upper = upper;
this->GetFunctor().SetLowest( m_Lower );
this->GetFunctor().SetHighest( m_Upper );
this->Modified();
}
}
} // end namespace itk
#endif
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