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
|
/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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.txt
*
* 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.
*
*=========================================================================*/
#include "itkPhysicalPointImageSource.h"
#include "itkImageFileWriter.h"
#include "itkVectorImage.h"
#include "itkVectorIndexSelectionCastImageFilter.h"
namespace {
template< typename TImageType >
int itkPhysicalPointImageSourceTest( const std::string &fname,
typename TImageType::SizeType &size,
typename TImageType::SpacingType &spacing,
typename TImageType::PointType &origin,
typename TImageType::DirectionType &direction)
{
typedef TImageType ImageType;
typedef itk::PhysicalPointImageSource< ImageType > PointerSourceType;
typename PointerSourceType::Pointer source = PointerSourceType::New();
source->SetSize(size);
source->SetSpacing(spacing);
source->SetOrigin(origin);
source->SetDirection( direction );
try
{
source->UpdateLargestPossibleRegion();
}
catch (itk::ExceptionObject & err)
{
std::cout << "Exception in filter execution!" << std::endl;
std::cout << err << std::endl;
return EXIT_FAILURE;
}
typedef itk::Image< typename itk::NumericTraits< typename ImageType::PixelType >::ValueType, ImageType::ImageDimension> ValueImageType;
typedef itk::VectorIndexSelectionCastImageFilter< ImageType, ValueImageType > ValueImageCastFilter;
typename ValueImageCastFilter::Pointer vif = ValueImageCastFilter::New();
vif->SetInput( source->GetOutput() );
vif->SetIndex(0);
typedef itk::ImageFileWriter<ValueImageType> WriterType;
typename WriterType::Pointer writer = WriterType::New();
writer->SetFileName( fname );
writer->SetInput( vif->GetOutput() );
try
{
std::cout << "Writing image to " << fname << std::endl;
writer->Update();
}
catch (itk::ExceptionObject & err)
{
std::cout << "Exception in writing!" << std::endl;
std::cout << err << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
}
int itkPhysicalPointImageSourceTest( int argc, char *argv[] )
{
double theta = 0;
const unsigned int ImageDimension = 2;
if ( argc < 3 )
{
std::cout << "Usage: " << argv[0] << " outputImage whichTest [ theta ]" << std::endl;
return EXIT_FAILURE;
}
if ( argc >= 4 )
{
theta = atof( argv[3] );
}
itk::Size<ImageDimension> size;
size.Fill(64);
typedef itk::Image<unsigned char,ImageDimension> ImageType;
ImageType::SpacingType spacing(1.0);
ImageType::PointType origin(0.0);
ImageType::DirectionType direction;
direction.SetIdentity();
int test;
if ( atoi( argv[2] ) == 0 )
{
test = itkPhysicalPointImageSourceTest<itk::Image<itk::Point<double, ImageDimension>, ImageDimension > >( std::string( argv[1] ), size, spacing, origin, direction );
}
else if ( atoi( argv[2] ) == 1 )
{
test = itkPhysicalPointImageSourceTest<itk::VectorImage<double, ImageDimension> >( std::string( argv[1] ), size, spacing, origin, direction );
}
else if ( atoi( argv[2] ) == 2 )
{
spacing.Fill( 1.123 );
origin.Fill( -0.987 );
test = itkPhysicalPointImageSourceTest<itk::Image<itk::Point<float, ImageDimension>, ImageDimension > >( std::string( argv[1] ), size, spacing, origin, direction );
}
else
{
itk::SpacePrecisionType M[] = { std::cos( theta ), -std::sin( theta ),
std::sin( theta ), std::cos( theta ) };
direction = vnl_matrix<itk::SpacePrecisionType>( M, 2, 2);
test = itkPhysicalPointImageSourceTest< itk::VectorImage<float, ImageDimension> >( std::string( argv[1] ), size, spacing, origin, direction );
}
return test;
}
|
