/usr/include/OTB-5.8/otbNDVIDataNodeFeatureFunction.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 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | /*=========================================================================
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 otbNDVIDataNodeFeatureFunction_txx
#define otbNDVIDataNodeFeatureFunction_txx
#include "otbNDVIDataNodeFeatureFunction.h"
namespace otb
{
/**
* Constructor
*/
template <class TImage, class TCoordRep, class TPrecision>
NDVIDataNodeFeatureFunction<TImage, TCoordRep, TPrecision>
::NDVIDataNodeFeatureFunction()
{
m_NDVIThreshold = 0.3; //Advised for QuickBird images
this->SetREDChannelIndex(3); //for QuickBird images
this->SetNIRChannelIndex(4); //for QuickBird images
}
/**
* Standard "PrintSelf" method
*/
template <class TImage, class TCoordRep, class TPrecision>
void
NDVIDataNodeFeatureFunction<TImage, TCoordRep, TPrecision>
::PrintSelf(
std::ostream& os,
itk::Indent indent) const
{
Superclass::PrintSelf( os, indent );
os << indent << "NDVI Threshold: " << m_NDVIThreshold << std::endl;
os << indent << "RED Channel Index: " << this->GetREDChannelIndex() << std::endl;
os << indent << "NIR Channel Index: " << this->GetNIRChannelIndex() << std::endl;
}
template <class TImage, class TCoordRep, class TPrecision>
typename NDVIDataNodeFeatureFunction<TImage, TCoordRep, TPrecision>
::OutputType
NDVIDataNodeFeatureFunction<TImage, TCoordRep, TPrecision>
::Evaluate( const DataNodeType& node ) const
{
if(!((this->GetREDChannelIndex() <= this->GetInputImage()->GetNumberOfComponentsPerPixel())
&& (this->GetNIRChannelIndex() <= this->GetInputImage()->GetNumberOfComponentsPerPixel())
&& (this->GetREDChannelIndex() > 0)
&& (this->GetNIRChannelIndex() > 0)))
{
itkExceptionMacro(<< "Invalid RED or NIR Channel Index");
}
const typename ImageLineIteratorType::PathType* path;
switch (node.GetNodeType())
{
case FEATURE_POINT:
{
itkExceptionMacro(<< "This DataNode type is not handle yet");
break;
}
case FEATURE_LINE:
{
path = node.GetLine();
break;
}
case FEATURE_POLYGON:
{
path = node.GetPolygonExteriorRing();
break;
}
default:
{
itkExceptionMacro(<< "This DataNode type is not handle yet");
break;
}
}
ImageLineIteratorType lineIt(this->GetInputImage(), path);
lineIt.GoToBegin();
double nbValidPixel=0.;
double nbVisitedPixel=0.;
while(!lineIt.IsAtEnd())
{
if(this->IsInsideBuffer(lineIt.GetIndex()))
{
PixelType pixel = this->GetInputImage()->GetPixel(lineIt.GetIndex());
if(m_NDVIFunctor(pixel [this->GetREDChannelIndex() - 1],
pixel [this->GetNIRChannelIndex() - 1]) >= this->GetNDVIThreshold())
{
nbValidPixel += 1;
}
nbVisitedPixel += 1;
}
++lineIt;
}
OutputType output;
if(nbVisitedPixel == 0)
{
//std::cout << "nbValidPixel: " << nbValidPixel << "nbVisitedPixel" << nbVisitedPixel << std::endl;
//itkExceptionMacro(<< "The DataNode and the Support Image are disjointed");
output.push_back(static_cast<PrecisionType>(0.));
}
else
{
output.push_back(static_cast<PrecisionType>(nbValidPixel/nbVisitedPixel));
}
output.push_back(static_cast<PrecisionType>(nbValidPixel));
output.push_back(static_cast<PrecisionType>(nbVisitedPixel));
return output;
}
} // end namespace otb
#endif
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