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itkQuadEdgeMeshPolygonCell.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkQuadEdgeMeshPolygonCell.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-02-07 15:58:06 $
00007   Version:   $Revision: 1.21 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 
00018 #ifndef __itkQuadEdgeMeshPolygonCell_h
00019 #define __itkQuadEdgeMeshPolygonCell_h
00020 
00021 namespace itk
00022 {
00023 
00035 template< class TCellInterface >
00036 class QuadEdgeMeshPolygonCell : public TCellInterface
00037 {
00038 public:
00040   // itkCellCommonTypedefs
00041   typedef QuadEdgeMeshPolygonCell   Self;
00042   typedef AutoPointer< const Self > ConstSelfAutoPointer;
00043   typedef AutoPointer< Self >       SelfAutoPointer;
00044   typedef Self*                     RawPointer;
00045   typedef const Self*               ConstRawPointer;
00046 
00047   // itkCellInheritedTypedefs
00048   typedef TCellInterface                                Superclass;
00049   typedef typename Superclass::PixelType                PixelType;
00050   typedef typename Superclass::CellType                 CellType;
00051   typedef typename Superclass::CellAutoPointer          CellAutoPointer;
00052   typedef typename Superclass::CellConstAutoPointer     CellConstAutoPointer;
00053   typedef typename Superclass::CellRawPointer           CellRawPointer;
00054   typedef typename Superclass::CellConstRawPointer      CellConstRawPointer;
00055   typedef typename Superclass::CellTraits               CellTraits;
00056   typedef typename Superclass::CoordRepType             CoordRepType;
00057   typedef typename Superclass::InterpolationWeightType  InterpolationWeightType;
00058   typedef typename Superclass::PointIdentifier          PointIdentifier;
00059   typedef typename Superclass::CellIdentifier           CellIdentifier;
00060   typedef typename Superclass::CellFeatureIdentifier    CellFeatureIdentifier;
00061   typedef typename Superclass::CellFeatureIdentifier    CellFeatureCount;
00062   typedef typename Superclass::PointType                PointType;
00063   typedef typename Superclass::PointsContainer          PointsContainer;
00064   typedef typename Superclass::UsingCellsContainer      UsingCellsContainer;
00065   typedef typename Superclass::CellGeometry             CellGeometry;
00066   typedef typename Superclass::ParametricCoordArrayType ParametricCoordArrayType;
00067   typedef typename Superclass::ShapeFunctionsArrayType  ShapeFunctionsArrayType;
00068   itkStaticConstMacro( PointDimension, unsigned int, Superclass::PointDimension );
00069   itkStaticConstMacro( CellDimension, unsigned int, 2 );
00070   
00072   typedef typename CellType::MultiVisitor MultiVisitor;
00073 
00074   typedef QuadEdgeMeshLineCell< CellType >               EdgeCellType;
00075   typedef std::vector< EdgeCellType* >                   EdgeCellListType; 
00076 
00078   typedef typename CellTraits::PointIdIterator              PointIdIterator;
00079   typedef typename CellTraits::PointIdConstIterator         PointIdConstIterator;
00080   typedef typename CellTraits::PointIdInternalIterator      PointIdInternalIterator;
00081   typedef typename CellTraits::PointIdInternalConstIterator PointIdInternalConstIterator;
00082 
00084   typedef typename CellTraits::QuadEdgeType              QuadEdgeType;
00085   typedef typename QuadEdgeType::OriginRefType           VertexRefType;
00086   typedef typename QuadEdgeType::DualOriginRefType       FaceRefType;
00087   typedef typename QuadEdgeType::PrimalDataType          PrimalDataType;
00088   typedef typename QuadEdgeType::DualDataType            DualDataType;
00089   typedef typename QuadEdgeType::DualType                QEDual;
00090 
00091 public:
00093   itkTypeMacro( QuadEdgeMeshPolygonCell, TCellInterface );
00094 
00096   QuadEdgeMeshPolygonCell( PointIdentifier nPoints = 0 );
00097   QuadEdgeMeshPolygonCell( QuadEdgeType* e );
00098   virtual ~QuadEdgeMeshPolygonCell();
00100 
00102   void SetIdent( CellIdentifier cid ) { m_Ident = cid; }
00103   CellIdentifier GetIdent()          { return( m_Ident ); }
00105 
00107   QuadEdgeType* GetEdgeRingEntry() const      { return( m_EdgeRingEntry ); }
00108   void SetEdgeRingEntry( QuadEdgeType* entry ) { m_EdgeRingEntry = entry; }
00110 
00112   SelfAutoPointer New();
00113 
00115   virtual void Accept( unsigned long cellId, MultiVisitor* mv );
00116   virtual CellGeometry GetType() const { return( Superclass::POLYGON_CELL );}
00118 
00120   static int GetTopologyId()
00121     {
00122     return( Superclass::POLYGON_CELL );
00123     }
00124   virtual unsigned int GetDimension() const 
00125     { 
00126     return( Self::CellDimension );
00127     }
00128   virtual unsigned int GetNumberOfPoints() const;
00129   virtual CellFeatureCount GetNumberOfBoundaryFeatures( int dimension ) const;
00130   virtual bool GetBoundaryFeature( int dimension,
00131                                    CellFeatureIdentifier cellId,
00132                                    CellAutoPointer& cell );
00134 
00136   virtual void MakeCopy( CellAutoPointer& cell ) const 
00137     { 
00138     const unsigned long numberOfPoints = this->GetNumberOfPoints();
00139     Self * newPolygonCell = new Self( numberOfPoints );
00140     cell.TakeOwnership( newPolygonCell );
00141     if ( numberOfPoints ) 
00142       {
00143       for( unsigned long i = 0; i < numberOfPoints; i++ )
00144         { 
00145         newPolygonCell->SetPointId( i, this->GetPointId( i ) );
00146         }
00147       }
00148     }
00150 
00151   
00153   virtual void SetPointIds( PointIdConstIterator first );
00154   virtual void SetPointIds( PointIdConstIterator first,
00155                             PointIdConstIterator last );
00156   virtual void SetPointId( int localId, PointIdentifier pId );
00158 
00159   virtual PointIdentifier GetPointId( int localId ) const;
00160 
00161   virtual PointIdIterator PointIdsBegin()
00162     {
00163     // NOTE ALEX: should update the array on the fly to make it faster
00164     MakePointIds();
00165     if (m_PointIds.size() == 0)
00166       {
00167       return (static_cast<PointIdIterator>(0));
00168       }
00169     else
00170       {
00171       return &*(m_PointIds.begin());
00172       }
00173     }
00174 
00175   virtual PointIdIterator PointIdsEnd()
00176     {
00177     // NOTE ALEX: should update the array on the fly to make it faster
00178     if (m_PointIds.size() == 0)
00179       {
00180       return (static_cast<PointIdIterator>(0));
00181       }
00182     else
00183       {
00184       return &m_PointIds[m_PointIds.size()-1] + 1;
00185       }
00186     }
00187 
00188   virtual PointIdConstIterator PointIdsBegin() const
00189     {
00190     // NOTE ALEX: should update the array on the fly to make it faster
00191     MakePointIds();
00192     if (m_PointIds.size() == 0)
00193       {
00194       return (static_cast<PointIdIterator>(0));
00195       }
00196     else
00197       {
00198       return &*(m_PointIds.begin());
00199       }
00200     }
00201 
00202   virtual PointIdConstIterator PointIdsEnd() const
00203     {
00204     // NOTE ALEX: should update the array on the fly to make it faster
00205     if (m_PointIds.size() == 0)
00206       {
00207       return (static_cast<PointIdIterator>(0));
00208       }
00209     else
00210       {
00211       return &m_PointIds[m_PointIds.size()-1] + 1;
00212       }
00213     }
00214 
00216   virtual void InternalSetPointIds( PointIdInternalConstIterator first );
00217   virtual void InternalSetPointIds( PointIdInternalConstIterator first,
00218                             PointIdInternalConstIterator last );
00220 
00221   virtual PointIdInternalIterator InternalPointIdsBegin();
00222   virtual PointIdInternalIterator InternalPointIdsEnd();
00223 
00224   virtual PointIdInternalConstIterator InternalGetPointIds() const;
00225   virtual PointIdInternalConstIterator InternalPointIdsBegin() const;
00226   virtual PointIdInternalConstIterator InternalPointIdsEnd() const;
00227 
00228 protected:
00229   typedef std::vector<PointIdentifier>  PointIDListType;
00230   mutable PointIDListType m_PointIds;
00231 
00232 private:
00233   QuadEdgeMeshPolygonCell( const Self& ); // Not impl.
00234   void operator=( const Self& ); // Not impl.
00235 
00236   void MakePointIds() const
00237     {
00238     if( !this->GetNumberOfPoints( ) )
00239       {
00240       return;
00241       }
00242 
00243     // NOTE ALEX: very inefficient way of doing it ...
00244     // you wanna support old API, you pay for it.
00245     m_PointIds.clear();
00246     for( PointIdentifier i = 0; i < this->GetNumberOfPoints( ); i++ )
00247       {
00248       m_PointIds.push_back( GetPointId( i ) );
00249       }
00250     }
00251 
00255   CellIdentifier m_Ident;
00256 
00260   QuadEdgeType * m_EdgeRingEntry;
00261 
00265   EdgeCellListType m_EdgeCellList;
00266 
00267 };
00268 
00269 } // end namespace itk
00270 
00271 #ifndef ITK_MANUAL_INSTANTIATION
00272 #include "itkQuadEdgeMeshPolygonCell.txx"
00273 #endif
00274 
00275 #endif
00276 

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