00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkFEMElement3DC0LinearTetrahedron.h,v $ 00005 Language: C++ 00006 Date: $Date: 2009-01-29 20:09:12 $ 00007 Version: $Revision: 1.11 $ 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 #ifndef __itkFEMElement3DC0LinearTetrahedron_h 00018 #define __itkFEMElement3DC0LinearTetrahedron_h 00019 00020 00021 #include "itkFEMElementStd.h" 00022 //to make some checks in GetLocalFromGlobalCoordinates 00023 #include <vnl/vnl_matrix.h> 00024 #include <vnl/algo/vnl_matrix_inverse.h> 00025 00026 namespace itk { 00027 namespace fem { 00028 00033 class Element3DC0LinearTetrahedron : public ElementStd<4,3> 00034 { 00035 typedef ElementStd<4,3> TemplatedParentClass; 00036 FEM_ABSTRACT_CLASS( Element3DC0LinearTetrahedron, TemplatedParentClass ) 00037 public: 00038 00039 00041 00045 virtual void GetIntegrationPointAndWeight(unsigned int i, VectorType& pt, Float& w, unsigned int order) const; 00046 00047 virtual unsigned int GetNumberOfIntegrationPoints(unsigned int order) const; 00048 00050 00054 virtual VectorType ShapeFunctions( const VectorType& pt ) const; 00055 00056 virtual void ShapeFunctionDerivatives( const VectorType& pt, MatrixType& shapeD ) const; 00057 00058 virtual bool GetLocalFromGlobalCoordinates( const VectorType& globalPt, VectorType& localPt ) const; 00059 00063 #ifdef FEM_BUILD_VISUALIZATION 00064 void Draw(CDC* pDC, Solution::ConstPointer sol) const; 00065 #endif 00066 00067 00068 }; 00069 00070 }} // end namespace itk::fem 00071 00072 #endif // #ifndef __itkFEMElement3DC0LinearTetrahedron_h 00073