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
|
/*=========================================================================
*
* 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 itkQuadricDecimationQuadEdgeMeshFilter_h
#define itkQuadricDecimationQuadEdgeMeshFilter_h
#include "itkEdgeDecimationQuadEdgeMeshFilter.h"
#include "itkQuadEdgeMeshDecimationQuadricElementHelper.h"
namespace itk
{
/**
* \class QuadricDecimationQuadEdgeMeshFilter
* \brief Quadric decimation
* \ingroup ITKQuadEdgeMeshFiltering
*/
template< typename TInput, typename TOutput, typename TCriterion >
class ITK_TEMPLATE_EXPORT QuadricDecimationQuadEdgeMeshFilter:
public EdgeDecimationQuadEdgeMeshFilter< TInput, TOutput, TCriterion >
{
public:
typedef QuadricDecimationQuadEdgeMeshFilter Self;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
typedef EdgeDecimationQuadEdgeMeshFilter<
TInput, TOutput, TCriterion > Superclass;
/** Run-time type information (and related methods). */
itkTypeMacro(QuadricDecimationQuadEdgeMeshFilter, EdgeDecimationQuadEdgeMeshFilter);
/** New macro for creation of through a Smart Pointer */
itkNewMacro(Self);
typedef TInput InputMeshType;
typedef typename InputMeshType::Pointer InputMeshPointer;
typedef TOutput OutputMeshType;
typedef typename OutputMeshType::Pointer OutputMeshPointer;
typedef typename OutputMeshType::PointIdentifier OutputPointIdentifier;
typedef typename OutputMeshType::PointType OutputPointType;
typedef typename OutputPointType::CoordRepType OutputCoordType;
typedef typename OutputMeshType::QEType OutputQEType;
typedef typename OutputMeshType::EdgeCellType OutputEdgeCellType;
typedef typename OutputMeshType::CellsContainerIterator OutputCellsContainerIterator;
typedef typename OutputMeshType::PointsContainerPointer OutputPointsContainerPointer;
typedef typename OutputMeshType::PointsContainerIterator OutputPointsContainerIterator;
itkStaticConstMacro(OutputPointDimension, unsigned int, OutputMeshType::PointDimension);
typedef TCriterion CriterionType;
typedef typename CriterionType::MeasureType MeasureType;
typedef typename Superclass::PriorityType PriorityType;
typedef typename Superclass::PriorityQueueItemType PriorityQueueItemType;
typedef typename Superclass::PriorityQueueType PriorityQueueType;
typedef typename Superclass::PriorityQueuePointer PriorityQueuePointer;
typedef typename Superclass::QueueMapType QueueMapType;
typedef typename Superclass::QueueMapIterator QueueMapIterator;
typedef typename Superclass::OperatorType OperatorType;
typedef typename Superclass::OperatorPointer OperatorPointer;
typedef QuadEdgeMeshDecimationQuadricElementHelper< OutputPointType >
QuadricElementType;
typedef std::map< OutputPointIdentifier, QuadricElementType >
QuadricElementMapType;
typedef typename QuadricElementMapType::iterator QuadricElementMapIterator;
protected:
/** \brief Constructor */
QuadricDecimationQuadEdgeMeshFilter();
/** \brief Destructor */
virtual ~QuadricDecimationQuadEdgeMeshFilter() ITK_OVERRIDE;
/** \brief Compute the quadric error at the origin of the edge
* \param[in] iEdge input edge
* \param[in,out] oQ quadric element to be modified
* \param[in] outputMesh mesh to be processed
*/
inline void QuadricAtOrigin(OutputQEType *iEdge, QuadricElementType & oQ, OutputMeshType *outputMesh)
{
OutputPointIdentifier id[3];
id[0] = iEdge->GetOrigin();
id[1] = iEdge->GetDestination();
id[2] = iEdge->GetOnext()->GetDestination();
OutputPointType p[3];
for ( int i = 0; i < 3; i++ )
{
p[i] = outputMesh->GetPoint(id[i]);
}
oQ.AddTriangle(p[0], p[1], p[2]);
}
/** \brief Compute the measure value for iEdge
* \param[in] iEdge input edge
* \return measure value, here the corresponding quadric error
*/
MeasureType MeasureEdge(OutputQEType *iEdge) ITK_OVERRIDE
{
OutputPointIdentifier id_org = iEdge->GetOrigin();
OutputPointIdentifier id_dest = iEdge->GetDestination();
QuadricElementType Q = m_Quadric[id_org] + m_Quadric[id_dest];
OutputPointType org = this->m_OutputMesh->GetPoint(id_org);
OutputPointType dest = this->m_OutputMesh->GetPoint(id_dest);
OutputPointType mid;
mid.SetToMidPoint(org, dest);
OutputPointType p = Q.ComputeOptimalLocation(mid);
return static_cast< MeasureType >( Q.ComputeError(p) );
}
/** \brief Delete point
* \param[in] iIdToBeDeleted id of the point to be deleted
* \param[in] iRemaining id of the point to be kept
*/
virtual void DeletePoint(const OutputPointIdentifier & iIdToBeDeleted,
const OutputPointIdentifier & iRemaining) ITK_OVERRIDE;
/** \brief Compute the optimal position for a given edge iEdge
* \param[in] iEdge
* \return the optimal point location
*/
OutputPointType Relocate(OutputQEType *iEdge) ITK_OVERRIDE;
/** \brief Compute Quadric error for all edges */
virtual void Initialize() ITK_OVERRIDE;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(QuadricDecimationQuadEdgeMeshFilter);
QuadricElementMapType m_Quadric;
};
}
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkQuadricDecimationQuadEdgeMeshFilter.hxx"
#endif
#endif
|
