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
|
/*=========================================================================
*
* 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.
*
*=========================================================================*/
#ifndef itkDiscreteCurvatureQuadEdgeMeshFilter_h
#define itkDiscreteCurvatureQuadEdgeMeshFilter_h
#include "itkQuadEdgeMeshToQuadEdgeMeshFilter.h"
#include "itkConceptChecking.h"
#include "itkTriangleHelper.h"
namespace itk
{
/**
* \class DiscreteCurvatureQuadEdgeMeshFilter
*
* \brief FIXME
*
* \ingroup ITKQuadEdgeMeshFiltering
*/
template< typename TInputMesh, typename TOutputMesh=TInputMesh >
class DiscreteCurvatureQuadEdgeMeshFilter:
public QuadEdgeMeshToQuadEdgeMeshFilter< TInputMesh, TOutputMesh >
{
public:
typedef DiscreteCurvatureQuadEdgeMeshFilter Self;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
typedef QuadEdgeMeshToQuadEdgeMeshFilter< TInputMesh, TOutputMesh > Superclass;
typedef TInputMesh InputMeshType;
typedef typename InputMeshType::Pointer InputMeshPointer;
typedef TOutputMesh OutputMeshType;
typedef typename OutputMeshType::Pointer OutputMeshPointer;
typedef typename OutputMeshType::PointsContainerPointer OutputPointsContainerPointer;
typedef typename OutputMeshType::PointsContainerIterator OutputPointsContainerIterator;
typedef typename OutputMeshType::PointType OutputPointType;
typedef typename OutputPointType::CoordRepType OutputCoordType;
typedef typename OutputMeshType::PointIdentifier OutputPointIdentifier;
typedef typename OutputMeshType::CellIdentifier OutputCellIdentifier;
typedef typename OutputMeshType::QEType OutputQEType;
typedef typename OutputMeshType::MeshTraits OutputMeshTraits;
typedef typename OutputMeshTraits::PixelType OutputCurvatureType;
typedef TriangleHelper< OutputPointType > TriangleType;
/** Run-time type information (and related methods). */
itkTypeMacro(DiscreteCurvatureQuadEdgeMeshFilter, QuadEdgeMeshToQuadEdgeMeshFilter);
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro( OutputIsFloatingPointCheck,
( Concept::IsFloatingPoint< OutputCurvatureType > ) );
// End concept checking
#endif
protected:
DiscreteCurvatureQuadEdgeMeshFilter() : m_OutputMesh(ITK_NULLPTR) {}
virtual ~DiscreteCurvatureQuadEdgeMeshFilter() ITK_OVERRIDE {}
virtual OutputCurvatureType EstimateCurvature(const OutputPointType & iP) = 0;
OutputCurvatureType ComputeMixedArea(OutputQEType *iQE1, OutputQEType *iQE2)
{
OutputPointIdentifier id[3];
id[0] = iQE1->GetOrigin();
id[1] = iQE1->GetDestination();
id[2] = iQE2->GetDestination();
OutputPointType p[3];
for ( int i = 0; i < 3; i++ )
{
p[i] = this->m_OutputMesh->GetPoint(id[i]);
}
return static_cast< OutputCurvatureType >( TriangleType::ComputeMixedArea( p[0], p[1], p[2] ) );
}
virtual void GenerateData() ITK_OVERRIDE
{
this->CopyInputMeshToOutputMesh();
OutputMeshPointer output = this->GetOutput();
OutputPointsContainerPointer points = output->GetPoints();
OutputPointsContainerIterator p_it = points->Begin();
OutputCurvatureType curvature;
this->m_OutputMesh = this->GetOutput();
while ( p_it != points->End() )
{
curvature = this->EstimateCurvature( p_it->Value() );
output->SetPointData(p_it->Index(), curvature);
++p_it;
}
}
private:
/** Cache output pointer to avoid calls in inner loop to GetOutput() */
OutputMeshType *m_OutputMesh;
ITK_DISALLOW_COPY_AND_ASSIGN(DiscreteCurvatureQuadEdgeMeshFilter);
};
} // end namespace itk
#endif
|
