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
141
142
143
144
145
146
|
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkThresholdImageFilterTest.cxx,v $
Language: C++
Date: $Date: 2007-08-20 13:23:56 $
Version: $Revision: 1.24 $
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 "itkImage.h"
#include "itkRandomImageSource.h"
#include "itkThresholdImageFilter.h"
#include "itkCommand.h"
#include "itkTextOutput.h"
#include <itksys/ios/sstream>
int itkThresholdImageFilterTest(int, char* [] )
{
// Comment the following if you want to use the itk text output window
itk::OutputWindow::SetInstance(itk::TextOutput::New());
// Uncomment the following if you want to see each message independently
// itk::OutputWindow::GetInstance()->PromptUserOn();
typedef itk::Image<float,2> FloatImage2DType;
itk::RandomImageSource<FloatImage2DType>::Pointer random;
random = itk::RandomImageSource<FloatImage2DType>::New();
random->SetMin(0.0);
random->SetMax(1000.0);
random->ReleaseDataFlagOn();
float spacing[2] = {0.7, 2.1};
random->SetSpacing( spacing );
float origin[2] = {15, 400};
random->SetOrigin( origin );
itksys_ios::ostringstream *os;
// Test #1, filter goes out of scope
itk::OutputWindow::GetInstance()->DisplayText( "Test #1: Filter goes out of scope -----------------" );
{
itk::ThresholdImageFilter<FloatImage2DType>::Pointer threshold;
threshold = itk::ThresholdImageFilter<FloatImage2DType>::New();
threshold->SetInput(random->GetOutput());
// Exercise threshold setting functions
threshold->ThresholdAbove( 10.0 );
threshold->ThresholdBelow( 900.0 );
threshold->ThresholdOutside( 5.0, 40.0 );
// Call update multiple times to make sure that the RandomImageSource
// is releasing and regenerating its data
threshold->Update();
threshold->Modified();
threshold->Update();
std::cout << "Input spacing: " << random->GetOutput()->GetSpacing()[0]
<< ", "
<< random->GetOutput()->GetSpacing()[1] << std::endl;
std::cout << "Output spacing: " << threshold->GetOutput()->GetSpacing()[0]
<< ", "
<< threshold->GetOutput()->GetSpacing()[1] << std::endl;
os = new itksys_ios::ostringstream();
*os << "Filter: " << threshold.GetPointer();
itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
delete os;
os = new itksys_ios::ostringstream();
*os << "Output #0: " << threshold->GetOutput(0);
itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
delete os;
itk::OutputWindow::GetInstance()->DisplayText( "Ending Test #1: filter goes out of scope" );
itk::OutputWindow::GetInstance()->DisplayText( "End of Test #1 -----------------------------------" );
}
// Test #2, user keeps an extra handle to an output
itk::OutputWindow::GetInstance()->DisplayText( "Test #2: User keeps an extra hold on an output -----------------" );
{
FloatImage2DType::Pointer keep;
itk::ThresholdImageFilter<FloatImage2DType>::Pointer threshold;
threshold = itk::ThresholdImageFilter<FloatImage2DType>::New();
threshold->SetInput(random->GetOutput());
threshold->Update();
os = new itksys_ios::ostringstream();
*os << "Filter: " << threshold.GetPointer();
itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
delete os;
os = new itksys_ios::ostringstream();
*os << "Output #0: " << threshold->GetOutput(0);
itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
delete os;
keep = threshold->GetOutput(0);
itk::OutputWindow::GetInstance()->DisplayText( "End of Test #2: last handle on output 0 should go out of scope");
}
itk::OutputWindow::GetInstance()->DisplayText( "End of Test #2 -----------------------------------");
// Test #3, user disconnects a data object from the pipeline
itk::OutputWindow::GetInstance()->DisplayText( "Test #3: user disconnects a data object from the pipeline -----------------" );
{
FloatImage2DType::Pointer keep;
itk::ThresholdImageFilter<FloatImage2DType>::Pointer threshold;
threshold = itk::ThresholdImageFilter<FloatImage2DType>::New();
threshold->SetInput(random->GetOutput());
threshold->Update();
os = new itksys_ios::ostringstream;
*os << "Filter: " << threshold.GetPointer();
itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
delete os;
os = new itksys_ios::ostringstream();
*os << "Output #0: " << threshold->GetOutput(0);
itk::OutputWindow::GetInstance()->DisplayText( os->str().c_str() );
delete os;
keep = threshold->GetOutput(0);
keep->DisconnectPipeline();
itk::OutputWindow::GetInstance()->DisplayText( "End of Test #3: last handle on output 0 should go out of scope");
}
itk::OutputWindow::GetInstance()->DisplayText( "End of Test #3 -----------------------------------");
return EXIT_SUCCESS;
}
|
