/usr/include/OTB-5.8/otbSimplePointCountStrategy.h 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 | /*=========================================================================
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 otbSimplePointCountStrategy_h
#define otbSimplePointCountStrategy_h
#include "otbMath.h"
namespace otb
{
/** \class Count
* \brief Compute the density of a neighboorhood centerred in a pixel
*
* This filter is templated over the pixel type of the input image
* and the pixel type of the output image.
*
* The filter will walk over all the pixels in the input image, and for
* each one of them it will do the following:
*
* \ingroup OTBPointSet
*/
template<class TPointSet, class TRadiusType, class TIndexType>
class Count
{
public:
Count() {}
~Count() {}
inline float operator ()(const TPointSet * pointSet, const TRadiusType& size, const TIndexType& index)
{
int accu = 0;
double surface = CONST_PI * size * size;
if (pointSet->GetNumberOfPoints() != 0)
{
typedef typename TPointSet::PointsContainer::ConstIterator iteratorType;
iteratorType it = pointSet->GetPoints()->Begin();
while (it != pointSet->GetPoints()->End())
{
float distX2 = (index[0] - it.Value()[0]) * (index[0] - it.Value()[0]);
float distY2 = (index[1] - it.Value()[1]) * (index[1] - it.Value()[1]);
float dist = vcl_sqrt(distX2 + distY2);
if (dist <= size) accu++;
++it;
}
}
else return 0.;
return static_cast<float>(accu / surface);
}
};
} // end namespace otb
#endif
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