ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkTriangleCell.h
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1 /*=========================================================================
2  *
3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
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9  * http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *=========================================================================*/
18 #ifndef __itkTriangleCell_h
19 #define __itkTriangleCell_h
20 
21 #include "itkLineCell.h"
23 
24 #include <vector>
25 
26 namespace itk
27 {
44 template< typename TCellInterface >
45 class ITK_EXPORT TriangleCell:
46  public TCellInterface, private TriangleCellTopology
47 {
48 public:
51  itkCellInheritedTypedefs(TCellInterface);
53 
55  itkTypeMacro(TriangleCell, CellInterface);
56 
59  typedef typename VertexType::SelfAutoPointer VertexAutoPointer;
60 
63  typedef typename EdgeType::SelfAutoPointer EdgeAutoPointer;
64 
66  itkStaticConstMacro(NumberOfPoints, unsigned int, 3);
67  itkStaticConstMacro(NumberOfVertices, unsigned int, 3);
68  itkStaticConstMacro(NumberOfEdges, unsigned int, 3);
69  itkStaticConstMacro(CellDimension, unsigned int, 2);
71 
73  virtual CellGeometry GetType(void) const
74  { return Superclass::TRIANGLE_CELL; }
75  virtual void MakeCopy(CellAutoPointer &) const;
77 
78  virtual unsigned int GetDimension(void) const;
79 
80  virtual unsigned int GetNumberOfPoints(void) const;
81 
82  virtual CellFeatureCount GetNumberOfBoundaryFeatures(int dimension) const;
83 
84  virtual bool GetBoundaryFeature(int dimension, CellFeatureIdentifier,
85  CellAutoPointer &);
86  virtual void SetPointIds(PointIdConstIterator first);
87 
88  virtual void SetPointIds(PointIdConstIterator first,
89  PointIdConstIterator last);
90 
91  virtual void SetPointId(int localId, PointIdentifier);
92  virtual PointIdIterator PointIdsBegin(void);
93 
94  virtual PointIdConstIterator PointIdsBegin(void) const;
95 
96  virtual PointIdIterator PointIdsEnd(void);
97 
98  virtual PointIdConstIterator PointIdsEnd(void) const;
99 
101  virtual CellFeatureCount GetNumberOfVertices(void) const;
102 
103  virtual CellFeatureCount GetNumberOfEdges(void) const;
104 
105  virtual bool GetVertex(CellFeatureIdentifier, VertexAutoPointer &);
106  virtual bool GetEdge(CellFeatureIdentifier, EdgeAutoPointer &);
107 
108  virtual bool EvaluatePosition(CoordRepType *,
109  PointsContainer *,
110  CoordRepType *,
111  CoordRepType[],
112  double *,
113  InterpolationWeightType *);
114 
116  itkCellVisitMacro(Superclass::TRIANGLE_CELL);
117 
119  CoordRepType ComputeArea(PointsContainer *);
120 
121  PointType ComputeBarycenter(CoordRepType *,
122  PointsContainer *);
123 
124  PointType ComputeCenterOfGravity(PointsContainer *);
125 
126  PointType ComputeCircumCenter(PointsContainer *);
127 
128 public:
130  m_PointIds( NumberOfPoints, NumericTraits< PointIdentifier >::max() )
131  {}
133 protected:
135  std::vector< PointIdentifier > m_PointIds;
136 private:
137  TriangleCell(const Self &); //purposely not implemented
138  void operator=(const Self &); //purposely not implemented
140 
143  double DistanceToLine(PointType x, PointType p1, PointType p2,
144  double & t, CoordRepType *closestPoint);
145 
146  double DistanceToLine(PointType x, PointType p1, PointType p2,
147  double & t, PointType & closestPoint);
148 };
149 } // end namespace itk
150 
151 #ifndef ITK_MANUAL_INSTANTIATION
152 #include "itkTriangleCell.hxx"
153 #endif
154 
155 #endif
156