ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkCoxDeBoorBSplineKernelFunction.h
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18 #ifndef __itkCoxDeBoorBSplineKernelFunction_h
19 #define __itkCoxDeBoorBSplineKernelFunction_h
20 
21 #include "itkKernelFunctionBase.h"
22 #include "vnl/vnl_real_polynomial.h"
23 #include "vnl/vnl_matrix.h"
24 
25 namespace itk
26 {
56 template<unsigned int VSplineOrder = 3, typename TRealValueType = double>
58  public KernelFunctionBase<TRealValueType>
59 {
60 public:
66 
67  typedef typename Superclass::RealType RealType;
68 
70  itkNewMacro( Self );
71 
74 
76  typedef vnl_real_polynomial PolynomialType;
78 
80  void SetSplineOrder( const unsigned int );
81 
83  itkGetConstMacro( SplineOrder, unsigned int );
84 
86  TRealValueType Evaluate( const TRealValueType & ) const;
87 
89  TRealValueType EvaluateDerivative( const TRealValueType & ) const;
90 
92  TRealValueType EvaluateNthDerivative( const TRealValueType &, const unsigned int ) const;
93 
99  MatrixType GetShapeFunctions();
100 
105  MatrixType GetShapeFunctionsInZeroToOneInterval();
106 
107 protected:
110  void PrintSelf( std::ostream & os, Indent indent ) const;
111 
112 private:
113  CoxDeBoorBSplineKernelFunction( const Self & ); //purposely not implemented
114  void operator=( const Self & ); //purposely not implemented
115 
120  void GenerateBSplineShapeFunctions( const unsigned int );
121 
128  PolynomialType CoxDeBoor( const unsigned short, const VectorType,
129  const unsigned int, const unsigned int );
130 
132  unsigned int m_SplineOrder;
133 };
134 } // end namespace itk
135 
136 #ifndef ITK_MANUAL_INSTANTIATION
137 #include "itkCoxDeBoorBSplineKernelFunction.hxx"
138 #endif
139 
140 #endif
141