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itkFEMElementStd.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkFEMElementStd.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-01-29 21:28:16 $
00007   Version:   $Revision: 1.17 $
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 __itkFEMElementStd_h
00019 #define __itkFEMElementStd_h
00020 
00021 #include "itkFEMElementBase.h"
00022 
00023 namespace itk {
00024 namespace fem {
00025 
00052 template<unsigned int VNumberOfNodes, unsigned int VNumberOfSpatialDimensions, class TBaseClass=Element>
00053 class ElementStd : public TBaseClass
00054 {
00055 FEM_ABSTRACT_CLASS(ElementStd,TBaseClass)
00056 public:
00057 
00058 // FIXME: Add concept cheking for TBaseClass, and TPointClass
00059 
00060   // Repeat typedefs and enums from parent class
00061   typedef typename Superclass::Float                 Float;
00062   typedef typename Superclass::MatrixType            MatrixType;
00063   typedef typename Superclass::VectorType            VectorType;
00064   typedef typename Superclass::LoadType              LoadType;
00065   typedef typename Superclass::LoadPointer           LoadPointer;
00066   typedef typename Superclass::NodeIDType            NodeIDType;
00067   typedef typename Superclass::DegreeOfFreedomIDType DegreeOfFreedomIDType;
00068   typedef typename Superclass::Node                  Node;
00069   enum{ InvalidDegreeOfFreedomID = Superclass::InvalidDegreeOfFreedomID };
00070 
00074   enum { NumberOfNodes=VNumberOfNodes };
00075 
00079   enum { NumberOfSpatialDimensions=VNumberOfSpatialDimensions };
00080 
00084   ElementStd();
00085 
00087 
00090   virtual unsigned int GetNumberOfNodes( void ) const
00091     { return NumberOfNodes; }
00092 
00093   virtual NodeIDType GetNode(unsigned int n) const
00094     {
00095     if(n>=NumberOfNodes)
00096       {
00097       return 0;
00098       }
00099     return this->m_node[n];
00100     }
00101 
00102   virtual void SetNode(unsigned int n, NodeIDType node)
00103     {
00104     if(n>=NumberOfNodes)
00105       {
00106       return;
00107       }
00108     this->m_node[n]=node;
00109     }
00110 
00111   virtual const VectorType& GetNodeCoordinates( unsigned int n ) const
00112     {
00113     return m_node[n]->GetCoordinates();
00114     }
00115 
00116   virtual unsigned int GetNumberOfSpatialDimensions() const
00117     {
00118     return NumberOfSpatialDimensions;
00119     }
00120  
00122 
00129   virtual void Read( std::istream&, void* info );
00130 
00134   virtual void Write( std::ostream& f ) const;
00135 
00136 protected:
00137 
00141   NodeIDType m_node[NumberOfNodes];
00142 
00143 };
00144 
00145 #ifdef _MSC_VER
00146 // Declare a static dummy function to prevent a MSVC 6.0 SP5 from crashing.
00147 // I have no idea why things don't work when this is not declared, but it
00148 // looks like this declaration makes compiler forget about some of the
00149 // troubles it has with templates.
00150 static void Dummy( void );
00151 #endif // #ifdef _MSC_VER
00152 
00153 }} // end namespace itk::fem
00154 
00155 #ifndef ITK_MANUAL_INSTANTIATION
00156 #include "itkFEMElementStd.txx"
00157 #endif
00158 
00159 #endif // #ifndef __itkFEMElementStd_h
00160 

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