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
|
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkRawImageIOTest3.cxx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm 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.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
//#include <iostream>
#include <fstream>
#include "itkImageFileWriter.h"
#include "itkImageFileReader.h"
#include "itkRawImageIO.h"
#include "itkImageRegionIterator.h"
#include "itkImageRegionConstIterator.h"
int itkRawImageIOTest3(int argc, char*argv[])
{
typedef itk::Image<unsigned short,2> ImageType;
typedef ImageType::PixelType PixelType;
typedef itk::ImageRegionIterator<
ImageType > ImageIteratorType;
typedef itk::ImageRegionConstIterator<
ImageType > ImageConstIteratorType;
typedef itk::RawImageIO<PixelType,
ImageType::ImageDimension> RawImageIOType;
if(argc < 3)
{
std::cerr << "Usage: " << argv[0] << " Output1 Output2\n";
return EXIT_FAILURE;
}
// Create a source object (in this case a random image generator).
// The source object is templated on the output type.
//
ImageType::SizeType size;
size[0]=517; // prime numbers are good bug testers...
size[1]=293;
ImageType::RegionType region;
ImageType::IndexType index;
index.Fill(0);
region.SetIndex( index );
region.SetSize(size);
ImageType::Pointer image = ImageType::New();
image->SetRegions( region );
image->Allocate();
ImageIteratorType ii( image, region );
PixelType value = itk::NumericTraits< PixelType >::Zero;
ii.GoToBegin();
while( !ii.IsAtEnd() )
{
ii.Set( value );
++value;
++ii;
}
RawImageIOType::Pointer io = RawImageIOType::New();
io->SetByteOrderToBigEndian();
// Write out the image
itk::ImageFileWriter<ImageType>::Pointer writer;
writer = itk::ImageFileWriter<ImageType>::New();
writer->SetInput( image );
writer->SetFileName(argv[1]);
writer->SetImageIO(io);
writer->Write();
// Create a source object (in this case a reader)
itk::ImageFileReader<ImageType>::Pointer reader;
reader = itk::ImageFileReader<ImageType>::New();
reader->SetImageIO(io);
reader->SetFileName(argv[1]);
reader->Update();
// Compare pixel by pixel in memory
ImageConstIteratorType it( reader->GetOutput(),
reader->GetOutput()->GetBufferedRegion() );
ImageConstIteratorType ot( image,
image->GetBufferedRegion() );
it.GoToBegin();
ot.GoToBegin();
while( !it.IsAtEnd() )
{
const PixelType iv = it.Get();
const PixelType ov = ot.Get();
if( iv != ov )
{
std::cerr << "Error in read/write of pixel " << it.GetIndex() << std::endl;
std::cerr << "Read value is : " << iv << std::endl;
std::cerr << "it should be : " << ov << std::endl;
std::cerr << "Test FAILED ! " << std::endl;
return EXIT_FAILURE;
}
++it;
++ot;
}
writer->SetInput(reader->GetOutput());
writer->SetFileName(argv[2]);
writer->SetInput(reader->GetOutput());
writer->Write();
std::cerr << "Test PASSED ! " << std::endl;
return EXIT_SUCCESS;
}
|
