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itkFEMElement2DC0LinearLine.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkFEMElement2DC0LinearLine.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:29:39 $ 00007 Version: $Revision: 1.4 $ 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 __itkFEMElement2DC0LinearLine_h 00019 #define __itkFEMElement2DC0LinearLine_h 00020 00021 #include "itkFEMElementStd.h" 00022 00023 namespace itk { 00024 namespace fem { 00025 00026 00027 00028 00033 class Element2DC0LinearLine : public ElementStd<2,2> 00034 { 00035 typedef ElementStd<2,2> TemplatedParentClass; 00036 FEM_ABSTRACT_CLASS( Element2DC0LinearLine, TemplatedParentClass ) 00037 public: 00038 00039 00041 /* 00042 * Methods related to numeric integration 00043 */ 00044 00045 enum { DefaultIntegrationOrder = 1 }; 00046 00047 virtual void GetIntegrationPointAndWeight(unsigned int i, VectorType& pt, Float& w, unsigned int order) const; 00048 00049 virtual unsigned int GetNumberOfIntegrationPoints(unsigned int order) const; 00050 00051 00052 00054 /* 00055 * Methods related to the geometry of an element 00056 */ 00057 00058 virtual VectorType ShapeFunctions( const VectorType& pt ) const; 00059 00060 virtual void ShapeFunctionDerivatives( const VectorType& pt, MatrixType& shapeD ) const; 00061 00062 // FIXME: Write a proper implementation 00063 virtual bool GetLocalFromGlobalCoordinates( const VectorType& globalPt, VectorType& localPt ) const; 00064 00074 virtual void Jacobian( const VectorType& pt, MatrixType& J, const MatrixType* pshapeD = 0 ) const; 00075 00079 #ifdef FEM_BUILD_VISUALIZATION 00080 void Draw(CDC* pDC, Solution::ConstPointer sol) const; 00081 #endif 00082 00083 }; 00084 00085 00086 00087 00088 }} // end namespace itk::fem 00089 00090 #endif // #ifndef __itkFEMElement2DC0LinearLine_h

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