/usr/include/OTB-6.4/otbAmplitudeFunctor.h is in libotb-dev 6.4.0+dfsg-1.
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 | /*
* 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 otbAmplitudeFunctor_h
#define otbAmplitudeFunctor_h
#include "otbChannelSelectorFunctor.h"
namespace otb
{
namespace Function
{
/** \class AmplitudeFunctor
* \brief Compute the module from the selected channel in the input
*
* \ingroup Visualization
*
* \sa PhaseFunctor ChannelSelectorFunctor
*
* \ingroup OTBImageManipulation
*/
template <class TInputPixel>
class AmplitudeFunctor : public ChannelSelectorFunctor<TInputPixel>
{
public:
/** Standard class typedefs */
typedef AmplitudeFunctor Self;
typedef itk::Object Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory */
itkNewMacro(Self);
/** Runtime information */
itkTypeMacro(AmplitudeFunctor, itk::Object);
typedef TInputPixel PixelType;
typedef typename itk::NumericTraits<PixelType>::ValueType ScalarType;
typedef itk::VariableLengthVector<ScalarType> VectorPixelType;
typedef itk::RGBPixel<ScalarType> RGBPixelType;
typedef itk::RGBAPixel<ScalarType> RGBAPixelType;
typedef VectorPixelType OutputPixelType;
/** Constructor */
AmplitudeFunctor()
{
std::vector<unsigned int> channels;
channels.push_back(0);
channels.push_back(1);
this->SetChannelList(channels);
}
/** Destructor */
~AmplitudeFunctor() ITK_OVERRIDE {}
const char *GetDescription() const
{return "Amplitude"; }
unsigned int GetOutputSize() const ITK_OVERRIDE
{
return 1;
}
OutputPixelType operator ()(const VectorPixelType& inPixel) const ITK_OVERRIDE
{
OutputPixelType outPixel;
outPixel.SetSize(1);
assert((this->GetChannelList()).size() == 2);
assert((this->GetChannelList())[0] < inPixel.Size());
assert((this->GetChannelList())[1] < inPixel.Size());
outPixel[0] = ComputeAmplitude(inPixel[(this->GetChannelList())[0]], inPixel[(this->GetChannelList())[1]]);
return outPixel;
}
OutputPixelType operator ()(ScalarType) const ITK_OVERRIDE
{
//FIXME we don't handle the std::complex<> yet
itkExceptionMacro(<< "Can't compute amplitude from a scalar value");
}
OutputPixelType operator ()(const RGBPixelType& inPixel) const ITK_OVERRIDE
{
OutputPixelType outPixel;
outPixel.SetSize(1);
assert((this->GetChannelList()).size() == 2);
assert((this->GetChannelList())[0] < 3);
assert((this->GetChannelList())[1] < 3);
outPixel[0] = ComputeAmplitude(inPixel[(this->GetChannelList())[0]], inPixel[(this->GetChannelList())[1]]);
return outPixel;
}
OutputPixelType operator ()(const RGBAPixelType& inPixel) const ITK_OVERRIDE
{
OutputPixelType outPixel;
outPixel.SetSize(1);
assert((this->GetChannelList()).size() == 2);
assert((this->GetChannelList())[0] < 4);
assert((this->GetChannelList())[1] < 4);
outPixel[0] = ComputeAmplitude(inPixel[(this->GetChannelList())[0]], inPixel[(this->GetChannelList())[1]]);
return outPixel;
}
private:
inline ScalarType ComputeAmplitude(ScalarType a, ScalarType b) const
{
return vcl_sqrt(a * a + b * b);
}
};
}
}
#endif
|