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00017 #ifndef __itkTriangleMeshToSimplexMeshFilter_h
00018 #define __itkTriangleMeshToSimplexMeshFilter_h
00019
00020 #include <itkMesh.h>
00021 #include <itkLineCell.h>
00022 #include <itkVertexCell.h>
00023 #include <itkMapContainer.h>
00024 #include "itkSimplexMesh.h"
00025 #include "itkSimplexMeshGeometry.h"
00026 #include "itkMeshToMeshFilter.h"
00027 #include "itkVectorContainer.h"
00028 #include "itkNumericTraits.h"
00029
00030 #include <itkPolygonCell.h>
00031 namespace itk
00032 {
00047 template <class TInputMesh, class TOutputMesh>
00048 class ITK_EXPORT TriangleMeshToSimplexMeshFilter : public MeshToMeshFilter<TInputMesh, TOutputMesh>
00049 {
00050 public:
00051
00053 typedef TriangleMeshToSimplexMeshFilter Self;
00054
00056 typedef MeshToMeshFilter<TInputMesh, TOutputMesh> Superclass;
00057
00059 typedef SmartPointer<Self> Pointer;
00060 typedef SmartPointer<const Self> ConstPointer;
00061
00063 itkNewMacro(Self);
00064
00066 itkTypeMacro(TriangleMeshToSimplexMeshFilter,MeshToMeshFilter);
00067
00068 typedef TInputMesh InputMeshType;
00069 typedef typename TInputMesh::Pointer InputMeshPointer;
00070 typedef typename TInputMesh::PointType InputPointType;
00071
00072 typedef typename TInputMesh::BoundaryAssignmentsContainerPointer InputBoundaryAssignmentsContainerPointer;
00073
00074 typedef typename TInputMesh::PointsContainer InputPointsContainer;
00075 typedef typename InputPointsContainer::Pointer InputPointsContainerPointer;
00076 typedef typename InputPointsContainer::Iterator InputPointsContainerIterator;
00077 typedef typename InputPointsContainer::ConstIterator InputPointsContainerConstIterator;
00078
00079 typedef typename TOutputMesh::Pointer OutputMeshPointer;
00080 typedef typename TOutputMesh::PointType OutputPointType;
00081 typedef typename TOutputMesh::PixelType OutputPixelType;
00082 typedef typename TOutputMesh::PointsContainer OutputPointsContainer;
00083 typedef typename OutputPointsContainer::Pointer OutputPointsContainerPointer;
00084 typedef typename TOutputMesh::PointsContainer::Iterator OutputPointsContainerIterator;
00085
00086 typedef typename TInputMesh::BoundaryAssignmentIdentifier InputBoundnaryAssignmentIdentifier;
00087
00088 typedef typename TInputMesh::CellType InputCellType;
00089 typedef typename InputCellType::CellAutoPointer InputCellAutoPointer;
00090 typedef typename TInputMesh::CellAutoPointer CellAutoPointer;
00091 typedef itk::LineCell<InputCellType> LineType;
00092 typedef itk::PolygonCell<InputCellType> PolygonType;
00093 typedef itk::TriangleCell<InputCellType> TriangleType;
00094 typedef itk::VertexCell<InputCellType> VertexType;
00095
00096 typedef std::pair<unsigned long,unsigned long> EdgeIdentifierType;
00097 typedef std::set<unsigned long> IndexSetType;
00098
00099 typedef itk::MapContainer<unsigned long, EdgeIdentifierType> EdgeNeighborListType;
00100 typedef itk::MapContainer<EdgeIdentifierType, unsigned long> LineCellIndexType;
00101
00102 typedef itk::MapContainer<unsigned long, IndexSetType> VertexNeighborListType;
00103 typedef itk::MapContainer<EdgeIdentifierType,unsigned long> EdgeMapType;
00104 typedef typename EdgeMapType::Pointer EdgeMapPointer;
00105
00106 typedef itk::VectorContainer<unsigned long,unsigned long> IdVectorType;
00107 typedef typename IdVectorType::Pointer IdVectorPointer;
00108
00109 typedef typename TOutputMesh::CellType OutputCellType;
00110 typedef typename TOutputMesh::CellAutoPointer OutputCellAutoPointer;
00111 typedef itk::LineCell<OutputCellType> OutputLineType;
00112 typedef itk::PolygonCell<OutputCellType> OutputPolygonType;
00113
00114 protected:
00115
00116 TriangleMeshToSimplexMeshFilter();
00117 ~TriangleMeshToSimplexMeshFilter();
00118 TriangleMeshToSimplexMeshFilter(const Self&) {}
00119
00120 void operator=(const Self&) {}
00121
00122 void PrintSelf(std::ostream& os, Indent indent) const;
00123
00127 virtual void GenerateData();
00128
00132 void Initialize();
00133
00137 void CreateSimplexPoints();
00138
00144 void CreateEdgeForTrianglePair( unsigned long pointIndex, unsigned long boundaryId);
00145
00150 void CreateSimplexNeighbors();
00151
00155 void CreateCells();
00156
00160 void CreateNewEdge(unsigned long currentCellId, unsigned int featureId,
00161 unsigned long startPointId, unsigned long endPointId);
00162
00166 InputPointType ComputeFaceCenter(unsigned long faceId);
00167
00171 IndexSetType* m_FaceSet;
00172
00179 EdgeMapPointer m_Edges;
00180
00184 EdgeNeighborListType::Pointer m_EdgeNeighborList;
00185
00189 VertexNeighborListType::Pointer m_VertexNeighborList;
00190
00194 LineCellIndexType::Pointer m_LineCellIndices;
00195
00199 unsigned long m_CellIdxOffset;
00200
00204 unsigned long m_IdOffset;
00205
00209 unsigned long m_EdgeCellId;
00210
00214 IdVectorPointer m_HandledEdgeIds;
00215
00219 InputCellAutoPointer m_NewInputMeshCellPointer;
00220
00224 OutputCellAutoPointer m_NewSimplexCellPointer;
00225 };
00226
00227 }
00228
00229 #ifndef ITK_MANUAL_INSTANTIATION
00230 #include "itkTriangleMeshToSimplexMeshFilter.txx"
00231 #endif
00232
00233 #endif
00234