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
|
/*
* 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 otbRAMDrivenStrippedStreamingManager_h
#define otbRAMDrivenStrippedStreamingManager_h
#include "itkImageRegionSplitter.h"
#include "otbStreamingManager.h"
namespace otb
{
/** \class RAMDrivenStrippedStreamingManager
* \brief This class computes the divisions needed to stream an image by strips,
* according to a user-defined available RAM
*
* You can use SetAvailableRAMInMB to set the available RAM. An estimation of the pipeline
* memory print will be done, and the number of divisions will then be computed to fit
* the available RAM
*
* \sa ImageFileWriter
* \sa StreamingImageVirtualFileWriter
*
* \ingroup OTBStreaming
*/
template<class TImage>
class ITK_EXPORT RAMDrivenStrippedStreamingManager : public StreamingManager<TImage>
{
public:
/** Standard class typedefs. */
typedef RAMDrivenStrippedStreamingManager Self;
typedef StreamingManager<TImage> Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
typedef TImage ImageType;
typedef typename Superclass::RegionType RegionType;
/** Creation through object factory macro */
itkNewMacro(Self);
/** Type macro */
itkTypeMacro(RAMDrivenStrippedStreamingManager, itk::LightObject);
/** Dimension of input image. */
itkStaticConstMacro(ImageDimension, unsigned int, ImageType::ImageDimension);
/** The number of Megabytes available (if 0, the configuration option is
used)*/
itkSetMacro(AvailableRAMInMB, unsigned int);
/** The number of Megabytes available (if 0, the configuration option is
used)*/
itkGetConstMacro(AvailableRAMInMB, unsigned int);
/** The multiplier to apply to the memory print estimation */
itkSetMacro(Bias, double);
/** The multiplier to apply to the memory print estimation */
itkGetConstMacro(Bias, double);
/** Actually computes the stream divisions, according to the specified streaming mode,
* eventually using the input parameter to estimate memory consumption */
void PrepareStreaming(itk::DataObject * input, const RegionType ®ion) override;
protected:
RAMDrivenStrippedStreamingManager();
~RAMDrivenStrippedStreamingManager() override;
/** The splitter type used to generate the different strips */
typedef itk::ImageRegionSplitter<itkGetStaticConstMacro(ImageDimension)> SplitterType;
/** The number of MegaBytes of RAM available */
unsigned int m_AvailableRAMInMB;
/** The multiplier to apply to the memory print estimation */
double m_Bias;
private:
RAMDrivenStrippedStreamingManager(const RAMDrivenStrippedStreamingManager &);
void operator =(const RAMDrivenStrippedStreamingManager&);
};
} // End namespace otb
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbRAMDrivenStrippedStreamingManager.txx"
#endif
#endif
|
