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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkImageToParametricSpaceFilterTest.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 "itkImageToParametricSpaceFilter.h"
#include "itkMesh.h"
#include "itkImage.h"
#include "itkImageRegionIteratorWithIndex.h"
int itkImageToParametricSpaceFilterTest(int, char* [] )
{
typedef float ImagePixelType;
// Declare the type for the images
typedef itk::Image<ImagePixelType,2> ImageType;
typedef ImageType::Pointer ImagePointer;
typedef ImageType::IndexType IndexType;
// Make the Mesh PointData type be an Image Index.
typedef itk::Point<float,2> MeshPixelType;
// Declare the types of the Mesh
typedef itk::Mesh<MeshPixelType> MeshType;
// Declare the type for PointsContainer
typedef MeshType::PointsContainer PointsContainerType;
// Declare the type for PointsContainerPointer
typedef MeshType::PointsContainerPointer
PointsContainerPointer;
// Declare the type for Points
typedef MeshType::PointType PointType;
// Create an input Mesh
MeshType::Pointer inputMesh = MeshType::New();
// Insert data on the Mesh
PointsContainerPointer points = inputMesh->GetPoints();
// Declare the type for the images
typedef itk::ImageRegionIteratorWithIndex<ImageType> ImageIteratorType;
// Declare the type for the filter
typedef itk::ImageToParametricSpaceFilter<
ImageType,
MeshType > FilterType;
typedef FilterType::Pointer FilterPointer;
ImagePointer imageX = ImageType::New();
ImagePointer imageY = ImageType::New();
ImagePointer imageZ = ImageType::New();
ImageType::SizeType size;
ImageType::IndexType start;
start.Fill(0);
size[0] = 10;
size[1] = 10;
ImageType::RegionType region;
region.SetSize( size );
region.SetIndex( start );
imageX->SetLargestPossibleRegion( region );
imageY->SetLargestPossibleRegion( region );
imageZ->SetLargestPossibleRegion( region );
imageX->SetBufferedRegion( region );
imageY->SetBufferedRegion( region );
imageZ->SetBufferedRegion( region );
imageX->SetRequestedRegion( region );
imageY->SetRequestedRegion( region );
imageZ->SetRequestedRegion( region );
imageX->Allocate();
imageY->Allocate();
imageZ->Allocate();
ImageIteratorType ix( imageX, region );
ImageIteratorType iy( imageY, region );
ImageIteratorType iz( imageZ, region );
ix.GoToBegin();
iy.GoToBegin();
iz.GoToBegin();
while( ! ix.IsAtEnd() )
{
ix.Set( rand() );
++ix;
}
while( ! iy.IsAtEnd() )
{
iy.Set( rand() );
++iy;
}
while( ! iz.IsAtEnd() )
{
iz.Set( rand() );
++iz;
}
FilterPointer filter = FilterType::New();
// Connect the inputs
filter->SetInput( 0, imageX );
filter->SetInput( 1, imageY );
filter->SetInput( 2, imageZ );
// Execute the filter
filter->Update();
// Get the Smart Pointer to the Filter Output
MeshType::Pointer outputMesh = filter->GetOutput();
// Get the the point container
MeshType::PointsContainer::Iterator beginPoint =
outputMesh->GetPoints()->Begin();
MeshType::PointsContainer::Iterator endPoint =
outputMesh->GetPoints()->End();
MeshType::PointsContainer::Iterator pointIt = beginPoint;
bool ok = true;
ix.GoToBegin();
iy.GoToBegin();
iz.GoToBegin();
while( pointIt != endPoint )
{
PointType point = pointIt.Value();
if( point[0] != ix.Value() )
{
ok = false;
break;
}
if( point[1] != iy.Value() )
{
ok = false;
break;
}
if( point[2] != iz.Value() )
{
ok = false;
break;
}
++pointIt;
++ix;
++iy;
++iz;
}
// All objects should be automatically destroyed at this point
if( !ok )
{
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
|
