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: SurfaceSpatialObject.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
// Software Guide : BeginLatex
//
// \index{itk::SurfaceSpatialObject}
//
// \doxygen{SurfaceSpatialObject} defines a surface in n-dimensional space.
// A SurfaceSpatialObject is defined by a list of points which lie on the
// surface. Each point has a position and a unique normal. The example begins
// by including the appropriate header file.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
#include "itkSurfaceSpatialObject.h"
#include "itkSurfaceSpatialObjectPoint.h"
// Software Guide : EndCodeSnippet
int main( int , char *[] )
{
// Software Guide : BeginLatex
//
// SurfaceSpatialObject is templated over the dimension of the space. A
// SurfaceSpatialObject contains a list of SurfaceSpatialObjectPoints. A
// SurfaceSpatialObjectPoint has a position, a normal and a color.
//
// First we define some type definitions
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
typedef itk::SurfaceSpatialObject<3> SurfaceType;
typedef SurfaceType::Pointer SurfacePointer;
typedef itk::SurfaceSpatialObjectPoint<3> SurfacePointType;
typedef itk::CovariantVector<double,3> VectorType;
SurfacePointer Surface = SurfaceType::New();
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// We create a point list and we set the position of each point in the local
// coordinate system using the \code{SetPosition()} method. We also set the
// color of each point to red.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
SurfaceType::PointListType list;
for( unsigned int i=0; i<3; i++)
{
SurfacePointType p;
p.SetPosition(i,i+1,i+2);
p.SetColor(1,0,0,1);
VectorType normal;
for(unsigned int j=0;j<3;j++)
{
normal[j]=j;
}
p.SetNormal(normal);
list.push_back(p);
}
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// Next, we create the surface and set his name using \code{SetName()}. We
// also set its Identification number with \code{SetId()} and we add the list
// of points previously created.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
Surface->GetProperty()->SetName("Surface1");
Surface->SetId(1);
Surface->SetPoints(list);
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// The \code{GetPoints()} method returns a reference to the internal list of points
// of the object.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
SurfaceType::PointListType pointList = Surface->GetPoints();
std::cout << "Number of points representing the surface: ";
std::cout << pointList.size() << std::endl;
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// Then we can access the points using standard STL iterators.
// \code{GetPosition()} and \code{GetColor()} functions return respectively
// the position and the color of the point. \code{GetNormal()} returns the
// normal as a \doxygen{CovariantVector}.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
SurfaceType::PointListType::const_iterator it = Surface->GetPoints().begin();
while(it != Surface->GetPoints().end())
{
std::cout << "Position = " << (*it).GetPosition() << std::endl;
std::cout << "Normal = " << (*it).GetNormal() << std::endl;
std::cout << "Color = " << (*it).GetColor() << std::endl;
std::cout << std::endl;
it++;
}
// Software Guide : EndCodeSnippet
return 0;
}
|
