ITK  4.9.0
Insight Segmentation and Registration Toolkit
itkFEMElement3DC0LinearHexahedron.h
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18 
19 #ifndef itkFEMElement3DC0LinearHexahedron_h
20 #define itkFEMElement3DC0LinearHexahedron_h
21 
22 #include "itkFEMElementStd.h"
23 #include "ITKFEMExport.h"
24 
25 namespace itk
26 {
27 namespace fem
28 {
64 class ITKFEM_EXPORT Element3DC0LinearHexahedron : public ElementStd<8, 3>
65 {
66 public:
67 
74 
77 
78  // ////////////////////////////////////////////////////////////////////////
83  virtual void GetIntegrationPointAndWeight(unsigned int i, VectorType & pt, Float & w, unsigned int order) const ITK_OVERRIDE;
84 
85  virtual unsigned int GetNumberOfIntegrationPoints(unsigned int order) const ITK_OVERRIDE;
86 
87  // ////////////////////////////////////////////////////////////////////////
93  virtual VectorType ShapeFunctions(const VectorType & pt) const ITK_OVERRIDE;
94 
96  virtual void ShapeFunctionDerivatives(const VectorType & pt, MatrixType & shapeD) const ITK_OVERRIDE;
97 
99  virtual bool GetLocalFromGlobalCoordinates(const VectorType & globalPt, VectorType & localPt) const ITK_OVERRIDE;
100 
104  void InterpolationFunctions( const VectorType & pcoords, VectorType & sf) const;
105 
106  void InterpolationDerivs(const VectorType & pcoords, VectorType & derivs) const;
107 
108  Float Determinant3x3(const VectorType & c1, const VectorType & c2, const VectorType & c3) const;
109 
110 protected:
111  virtual void PrintSelf(std::ostream& os, Indent indent) const ITK_OVERRIDE;
112 
113  virtual void PopulateEdgeIds(void) ITK_OVERRIDE;
114 
115 };
116 }
117 } // end namespace itk::fem
118 
119 #endif // #ifndef itkFEMElement3DC0LinearHexahedron_h
Implements standard node management in the element classes.
vnl_matrix< Float > MatrixType
8-noded, linear, C0 continuous finite element in 3D space.
vnl_vector< Float > VectorType
Control indentation during Print() invocation.
Definition: itkIndent.h:49