/usr/include/OTB-5.8/otbNNearestPointsLinearInterpolateDisplacementFieldGenerator.txx is in libotb-dev 5.8.0+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | /*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef otbNNearestPointsLinearInterpolateDisplacementFieldGenerator_txx
#define otbNNearestPointsLinearInterpolateDisplacementFieldGenerator_txx
#define EPSILON 1e-15
#include "otbNNearestPointsLinearInterpolateDisplacementFieldGenerator.h"
#include "itkImageRegionIteratorWithIndex.h"
#include "otbMacro.h"
namespace otb
{
/** Main computation method */
template <class TPointSet, class TDisplacementField>
void
NNearestPointsLinearInterpolateDisplacementFieldGenerator<TPointSet, TDisplacementField>
::GenerateData(void)
{
DisplacementFieldPointerType outputPtr = this->GetOutput();
PixelType defaultValue(2);
defaultValue.Fill(this->GetDefaultValue());
outputPtr->Allocate();
outputPtr->FillBuffer(defaultValue);
typedef itk::ImageRegionIteratorWithIndex<DisplacementFieldType> IteratorType;
IteratorType it(outputPtr, outputPtr->GetRequestedRegion());
for (it.GoToBegin(); !it.IsAtEnd(); ++it)
{
IndexType index = it.GetIndex();
IndexVectorType indexVector = this->GenerateNearestValidPointsPointSet(it.GetIndex(), m_NumberOfPoints);
PixelType pixel(2);
double xdisplacement, ydisplacement, normalization;
xdisplacement = 0;
ydisplacement = 0;
normalization = 0;
for (typename IndexVectorType::iterator indexIt = indexVector.begin(); indexIt != indexVector.end(); ++indexIt)
{
PointType point;
point[0] = static_cast<double>(this->GetPointSet()->GetPoints()->GetElement(*indexIt)[0]);
point[1] = static_cast<double>(this->GetPointSet()->GetPoints()->GetElement(*indexIt)[1]);
double distance = this->EuclideanDistanceMetric(index, point);
if (distance < EPSILON)
{
distance = EPSILON;
}
xdisplacement += this->GetPointSet()->GetPointData()->GetElement((*indexIt))[1] / distance;
ydisplacement += this->GetPointSet()->GetPointData()->GetElement((*indexIt))[2] / distance;
normalization += 1 / distance;
}
if (normalization > 0)
{
pixel[0] = static_cast<ValueType>(xdisplacement / normalization);
pixel[1] = static_cast<ValueType>(ydisplacement / normalization);
}
else
{
pixel = defaultValue;
}
it.Set(pixel);
}
}
/**
* PrintSelf Method
*/
template <class TPointSet, class TDisplacementField>
void
NNearestPointsLinearInterpolateDisplacementFieldGenerator<TPointSet, TDisplacementField>
::PrintSelf(std::ostream& os, itk::Indent indent) const
{
Superclass::PrintSelf(os, indent);
}
} // End namespace otb
#endif
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