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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 otbAngularProjectionBinaryImageFilter_txx
#define otbAngularProjectionBinaryImageFilter_txx
#include "otbAngularProjectionBinaryImageFilter.h"
#include <vnl/vnl_math.h>
#include "itkImageRegionIterator.h"
#include "itkProgressReporter.h"
namespace otb {
template < class TInputImage, class TOutputImage, class TPrecision >
AngularProjectionBinaryImageFilter< TInputImage, TOutputImage, TPrecision >
::AngularProjectionBinaryImageFilter ()
{
this->SetNumberOfRequiredInputs(2);
}
template < class TInputImage, class TOutputImage, class TPrecision >
void
AngularProjectionBinaryImageFilter< TInputImage, TOutputImage, TPrecision >
::SetInput1 ( const InputImageType * inputPtr )
{
this->SetNthInput(0, const_cast<InputImageType*>( inputPtr ));
}
template < class TInputImage, class TOutputImage, class TPrecision >
void
AngularProjectionBinaryImageFilter< TInputImage, TOutputImage, TPrecision >
::SetInput2 ( const InputImageType * inputPtr )
{
this->SetNthInput(1, const_cast<InputImageType*>( inputPtr ));
}
template < class TInputImage, class TOutputImage, class TPrecision >
const TInputImage *
AngularProjectionBinaryImageFilter< TInputImage, TOutputImage, TPrecision >
::GetInput1() const
{
if ( this->GetNumberOfInputs() < 1 )
{
return ITK_NULLPTR;
}
return static_cast<const TInputImage * > (this->itk::ProcessObject::GetInput(0) );
}
template < class TInputImage, class TOutputImage, class TPrecision >
const TInputImage *
AngularProjectionBinaryImageFilter< TInputImage, TOutputImage, TPrecision >
::GetInput2() const
{
if ( this->GetNumberOfInputs() < 2 )
{
return ITK_NULLPTR;
}
return static_cast<const TInputImage * > (this->itk::ProcessObject::GetInput(1));
}
template < class TInputImage, class TOutputImage, class TPrecision >
void
AngularProjectionBinaryImageFilter< TInputImage, TOutputImage, TPrecision >
::SetAngleSet ( std::vector<PrecisionType> & angle )
{
m_AngleSet = angle;
this->SetNumberOfRequiredOutputs( angle.size() );
for ( unsigned int i = 0; i < this->GetNumberOfOutputs(); ++i )
{
this->SetNthOutput(i, OutputImageType::New());
}
this->Modified();
}
template < class TInputImage, class TOutputImage, class TPrecision >
void
AngularProjectionBinaryImageFilter< TInputImage, TOutputImage, TPrecision >
::GenerateOutputInformation()
{
Superclass::GenerateOutputInformation();
for (unsigned int i = 0; i < this->GetNumberOfOutputs(); ++i)
{
this->GetOutput(i)->SetRegions(
this->GetInput()->GetRequestedRegion());
}
}
template < class TInputImage, class TOutputImage, class TPrecision >
void
AngularProjectionBinaryImageFilter< TInputImage, TOutputImage, TPrecision >
::ThreadedGenerateData
( const OutputImageRegionType & outputRegionForThread, itk::ThreadIdType threadId )
{
itk::ProgressReporter reporter(this, threadId,
outputRegionForThread.GetNumberOfPixels() );
InputImageRegionType inputRegionForThread;
this->CallCopyOutputRegionToInputRegion( inputRegionForThread, outputRegionForThread );
itk::ImageRegionConstIterator<InputImageType> iter1
( this->GetInput1(), inputRegionForThread );
iter1.GoToBegin();
itk::ImageRegionConstIterator<InputImageType> iter2
( this->GetInput2(), inputRegionForThread );
iter2.GoToBegin();
std::vector< itk::ImageRegionIterator<OutputImageType> > outIter
( this->GetNumberOfOutputs() );
for ( unsigned int i = 0; i < outIter.size(); ++i )
{
outIter[i] = itk::ImageRegionIterator<OutputImageType>
( this->GetOutput(i), outputRegionForThread );
outIter[i].GoToBegin();
}
while ( !iter1.IsAtEnd() && !iter2.IsAtEnd() )
{
for ( unsigned int i = 0; i < outIter.size(); ++i )
{
outIter[i].Set( vcl_cos( m_AngleSet[i] ) * iter1.Get()
+ vcl_sin( m_AngleSet[i] ) * iter2.Get() );
++outIter[i];
}
++iter1;
++iter2;
reporter.CompletedPixel();
}
}
} // end of namespace otb
#endif
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