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
|
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkExtractMeshConnectedRegionsTest.cxx,v $
Language: C++
Date: $Date: 2003-09-10 14:30:02 $
Version: $Revision: 1.14 $
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 "itkMesh.h"
#include "itkConnectedRegionsMeshFilter.h"
#include "itkSphereMeshSource.h"
#include <iostream>
#include <string>
/*
* Test the mesh connectivity class.
*/
int itkExtractMeshConnectedRegionsTest(int, char* [])
{
/**
* Some typedefs to make things easier.
*/
// A mesh with no pixel data.
typedef itk::Mesh< int > MeshType;
typedef itk::ConnectedRegionsMeshFilter<MeshType,MeshType> ConnectFilterType;
typedef itk::Point<float,3> PointType;
// Define a simple mesh of three connected pieces. The mesh consists
// of several different cell types.
//
MeshType::Pointer inMesh = MeshType::New();
MeshType::Pointer outMesh = MeshType::New();
// Pass the mesh through the filter in a variety of ways.
//
PointType::ValueType pInit[3] = {1,2,3};
PointType p = pInit;
ConnectFilterType::Pointer connect(ConnectFilterType::New());
connect->SetInput(inMesh);
connect->SetClosestPoint(p);
connect->AddSeed(0);
connect->InitializeSeedList();
connect->AddSeed(1);
connect->AddSeed(2);
connect->DeleteSeed(1);
connect->Update();
// Create a Sphere for running the filter on real input data.
typedef itk::SphereMeshSource< MeshType > SphereMeshSourceType;
SphereMeshSourceType::Pointer meshSource = SphereMeshSourceType::New();
PointType center; center.Fill(0);
PointType::ValueType scaleInit[3] = {1,1,1};
PointType scale = scaleInit;
meshSource->SetCenter(center);
meshSource->SetResolutionX( 10 );
meshSource->SetResolutionY( 10 );
meshSource->SetScale(scale);
meshSource->Modified();
meshSource->Update();
connect->SetInput( meshSource->GetOutput() );
try
{
connect->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Exception caught " << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
|
