00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkFEMElement2DC0LinearQuadrilateral.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003-09-10 14:29:39 $ 00007 Version: $Revision: 1.22 $ 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 00026 00027 00028 00033 class Element2DC0LinearQuadrilateral : public ElementStd<4,2> 00034 { 00035 typedef ElementStd<4,2> TemplatedParentClass; 00036 FEM_ABSTRACT_CLASS( Element2DC0LinearQuadrilateral, TemplatedParentClass ) 00037 public: 00038 00039 00040 00041 00043 /* 00044 * Methods related to numeric integration 00045 */ 00046 00047 enum { DefaultIntegrationOrder = 2 }; 00048 00049 virtual void GetIntegrationPointAndWeight(unsigned int i, VectorType& pt, Float& w, unsigned int order) const; 00050 00051 virtual unsigned int GetNumberOfIntegrationPoints(unsigned int order) const; 00052 00053 00054 00056 /* 00057 * Methods related to the geometry of an element 00058 */ 00059 00060 virtual VectorType ShapeFunctions( const VectorType& pt ) const; 00061 00062 virtual void ShapeFunctionDerivatives( const VectorType& pt, MatrixType& shapeD ) const; 00063 00064 virtual bool GetLocalFromGlobalCoordinates( const VectorType& globalPt, VectorType& localPt) const; 00065 00069 #ifdef FEM_BUILD_VISUALIZATION 00070 void Draw(CDC* pDC, Solution::ConstPointer sol) const; 00071 #endif 00072 00073 }; 00074 00075 00076 00077 00078 }} // end namespace itk::fem 00079 00080 #endif // #ifndef __itkFEMElement2DC0LinearQuadrilateral_h 00081