/usr/include/OTB-5.8/otbBinaryImageMinimalBoundingRegionCalculator.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | /*=========================================================================
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 otbBinaryImageMinimalBoundingRegionCalculator_txx
#define otbBinaryImageMinimalBoundingRegionCalculator_txx
#include "otbBinaryImageMinimalBoundingRegionCalculator.h"
#include "itkImageSliceConstIteratorWithIndex.h"
#include "otbMacro.h"
namespace otb
{
/*
* Constructor
*/
template <class TInputImage>
BinaryImageMinimalBoundingRegionCalculator<TInputImage>
::BinaryImageMinimalBoundingRegionCalculator()
{
// The pad option is desactivated by default
m_Pad = 0;
// Set the default region
typename InputImageType::SizeType size;
typename InputImageType::IndexType index;
size[0] = 0;
size[1] = 0;
index[0] = 0;
index[1] = 0;
m_Region.SetSize(size);
m_Region.SetIndex(index);
m_InsideValue = static_cast<PixelType>(255);
}
/**
* Main computation method
*/
template <class TInputImage>
void
BinaryImageMinimalBoundingRegionCalculator<TInputImage>
::GenerateData(void)
{
// Input images pointers
const InputImageType* image = this->GetInput();
// Iterator definition
typedef itk::ImageSliceConstIteratorWithIndex<InputImageType> SliceIteratorType;
// Indexes containing upper-left and lower-right corner
typename InputImageType::IndexType min;
typename InputImageType::IndexType max;
min[0] = 0;
min[1] = 0;
max[1] = 0;
max[1] = 0;
for (unsigned int axis = 0; axis < InputImageType::ImageDimension; ++axis)
{ // Create the forward iterator to find lower bound
SliceIteratorType fit(image, image->GetLargestPossibleRegion());
fit.SetFirstDirection(!axis);
fit.SetSecondDirection(axis);
fit.GoToBegin();
// Walk through the two images line by line
while (!fit.IsAtEnd())
{
while (!fit.IsAtEndOfSlice())
{
while (!fit.IsAtEndOfLine())
{
// If a common intersection is found
if (fit.Get() == m_InsideValue)
{
// then the lower bound is found
min[axis] = fit.GetIndex()[axis];
fit.GoToReverseBegin(); // skip to the end
break;
}
++fit;
}
fit.NextLine();
}
fit.NextSlice();
}
// Create the reverse iterator to find upper bound
SliceIteratorType rit(image, image->GetLargestPossibleRegion());
rit.SetFirstDirection(!axis);
rit.SetSecondDirection(axis);
rit.GoToReverseBegin();
// Walk through the two images line by line
while (!rit.IsAtReverseEnd())
{
while (!rit.IsAtReverseEndOfSlice())
{
while (!rit.IsAtReverseEndOfLine())
{
// If a common intersection is found
if (rit.Get() == m_InsideValue)
{
max[axis] = rit.GetIndex()[axis];
rit.GoToBegin(); //Skip to reverse end
break;
}
--rit;
}
rit.PreviousLine();
}
rit.PreviousSlice();
}
}
typename InputImageType::SizeType size;
typename InputImageType::IndexType index;
for (unsigned int i = 0; i < InputImageType::ImageDimension; ++i)
{
size[i] = max[i] - min[i] + 1;
index[i] = min[i];
}
m_Region.SetIndex(index);
m_Region.SetSize(size);
if (m_Pad)
{
m_Region.PadByRadius(m_Pad);
}
m_Region.Crop(image->GetLargestPossibleRegion());
}
/**
* PrintSelf method
*/
template <class TInputImage>
void
BinaryImageMinimalBoundingRegionCalculator<TInputImage>
::PrintSelf(std::ostream& os, itk::Indent indent) const
{
Superclass::PrintSelf(os, indent);
}
} // End namespace otb
#endif
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