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itkFEMElement2DC0LinearQuadrilateral.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkFEMElement2DC0LinearQuadrilateral.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-01-28 21:25:49 $
00007   Version:   $Revision: 1.23 $
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 __itkFEMElement2DC0LinearQuadrilateral_h
00019 #define __itkFEMElement2DC0LinearQuadrilateral_h
00020 
00021 #include "itkFEMElementStd.h"
00022 
00023 namespace itk {
00024 namespace fem {
00025 
00030 class Element2DC0LinearQuadrilateral : public ElementStd<4,2>
00031 {
00032   typedef ElementStd<4,2> TemplatedParentClass;
00033   FEM_ABSTRACT_CLASS( Element2DC0LinearQuadrilateral, TemplatedParentClass )
00034 public:
00035 
00037 
00041   enum { DefaultIntegrationOrder = 2 };
00042 
00043   virtual void GetIntegrationPointAndWeight(unsigned int i, VectorType& pt, Float& w, unsigned int order) const;
00044 
00045   virtual unsigned int GetNumberOfIntegrationPoints(unsigned int order) const;
00046 
00048 
00052   virtual VectorType ShapeFunctions( const VectorType& pt ) const;
00053 
00054   virtual void ShapeFunctionDerivatives( const VectorType& pt, MatrixType& shapeD ) const;
00055 
00056   virtual bool GetLocalFromGlobalCoordinates( const VectorType& globalPt, VectorType& localPt) const;
00057 
00061 #ifdef FEM_BUILD_VISUALIZATION
00062   void Draw(CDC* pDC, Solution::ConstPointer sol) const;
00063 #endif
00064 
00065 };
00066 
00067 }} // end namespace itk::fem
00068 
00069 #endif  // #ifndef __itkFEMElement2DC0LinearQuadrilateral_h
00070 

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