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
|
/*
* 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 otbMatrixImageFilter_txx
#define otbMatrixImageFilter_txx
#include "otbMatrixImageFilter.h"
#include "itkImageRegionIterator.h"
#include "itkProgressReporter.h"
namespace otb
{
/**
*
*/
template <class TInputImage, class TOutputImage, class TMatrix>
MatrixImageFilter<TInputImage, TOutputImage, TMatrix>::MatrixImageFilter() : m_MatrixByVector(false)
{
}
template <class TInputImage, class TOutputImage, class TMatrix>
void MatrixImageFilter<TInputImage, TOutputImage, TMatrix>::GenerateOutputInformation()
{
// call the superclass' implementation of this method
Superclass::GenerateOutputInformation();
if ( m_MatrixByVector )
{
if( this->GetInput()->GetNumberOfComponentsPerPixel() != m_Matrix.cols() )
{
itkExceptionMacro("Invalid Matrix size. Number of columns must be the same as the image number of channels.");
}
if( m_Matrix.rows() == 0 )
{
itkExceptionMacro("Invalid Matrix size. Number of rows can't be null.");
}
this->GetOutput()->SetNumberOfComponentsPerPixel( m_Matrix.rows() );
}
if ( !m_MatrixByVector )
{
if( this->GetInput()->GetNumberOfComponentsPerPixel() != m_Matrix.rows() )
{
itkExceptionMacro("Invalid Matrix size. Number of rows must be the same as the image number of channels.");
}
if( m_Matrix.cols() == 0 )
{
itkExceptionMacro("Invalid Matrix size. Number of columns can't be null.");
}
this->GetOutput()->SetNumberOfComponentsPerPixel( m_Matrix.cols() );
}
}
template<class TInputImage, class TOutputImage, class TMatrix>
void MatrixImageFilter<TInputImage, TOutputImage, TMatrix>::ThreadedGenerateData(
const OutputImageRegionType& outputRegionForThread,
itk::ThreadIdType threadId
)
{
// images pointer
typename OutputImageType::Pointer outputPtr = this->GetOutput();
typename InputImageType::ConstPointer inputPtr = this->GetInput();
typename itk::ImageRegionConstIterator<InputImageType> inIt( inputPtr, outputRegionForThread);
itk::ImageRegionIterator<OutputImageType> outIt( outputPtr, outputRegionForThread);
// support progress methods/callbacks
itk::ProgressReporter progress(this, threadId, outputRegionForThread.GetNumberOfPixels());
inIt.GoToBegin();
outIt.GoToBegin();
const unsigned int inSize = m_MatrixByVector ? m_Matrix.cols() : m_Matrix.rows();
const unsigned int outSize = m_MatrixByVector ? m_Matrix.rows() : m_Matrix.cols();
VectorType inVect(inSize, InputRealType(0.));
VectorType outVect(outSize, InputRealType(0.));
while (!outIt.IsAtEnd())
{
const InputPixelType & inPix = inIt.Get();
OutputPixelType outPix;
outPix.SetSize(outSize);
for(unsigned int i=0; i<inSize; ++i)
{
inVect[i] = static_cast<InputRealType>(inPix[i]);
}
outVect = m_MatrixByVector ? m_Matrix*inVect : inVect*m_Matrix;
for(unsigned int i=0; i<outSize; ++i)
{
outPix[i] = static_cast<OutputInternalPixelType>(outVect[i]);
}
outIt.Set(outPix);
++inIt;
++outIt;
progress.CompletedPixel();
}
}
/**
* Standard "PrintSelf" method
*/
template <class TInputImage, class TOutputImage, class TMatrix>
void
MatrixImageFilter<TInputImage, TOutputImage, TMatrix>::PrintSelf(std::ostream& os, itk::Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Matrix: " << m_Matrix << std::endl;
os << indent << "MatrixByVector: " << m_MatrixByVector << std::endl;
}
} // end namespace otb
#endif
|
