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00017 #ifndef __itkShapeSignedDistanceFunction_h
00018 #define __itkShapeSignedDistanceFunction_h
00019
00020 #include "itkSpatialFunction.h"
00021 #include "itkArray.h"
00022
00023 namespace itk
00024 {
00025
00049 template <typename TCoordRep, unsigned int VSpaceDimension>
00050 class ITK_EXPORT ShapeSignedDistanceFunction :
00051 public SpatialFunction< double, VSpaceDimension, Point<TCoordRep,VSpaceDimension> >
00052 {
00053 public:
00055 typedef ShapeSignedDistanceFunction Self;
00056 typedef SpatialFunction< double, VSpaceDimension,
00057 Point<TCoordRep,VSpaceDimension> > Superclass;
00058 typedef SmartPointer<Self> Pointer;
00059 typedef SmartPointer<const Self> ConstPointer;
00060
00062 itkTypeMacro(ShapeSignedDistanceFunction, SpatialFunction);
00063
00065 typedef typename Superclass::OutputType OutputType;
00066
00068 typedef typename Superclass::InputType InputType;
00069
00071 itkStaticConstMacro(SpaceDimension, unsigned int, VSpaceDimension);
00072
00074 typedef TCoordRep CoordRepType;
00075
00077 typedef InputType PointType;
00078
00080 typedef Array<double> ParametersType;
00081
00083 virtual void SetParameters( const ParametersType & ) = 0;
00084 virtual ParametersType& GetParameters(void)
00085 { return m_Parameters; }
00086 virtual unsigned int GetNumberOfShapeParameters(void) const = 0;
00087 virtual unsigned int GetNumberOfPoseParameters(void) const = 0;
00088 virtual unsigned int GetNumberOfParameters(void) const
00089 { return this->GetNumberOfShapeParameters() + this->GetNumberOfPoseParameters(); }
00091
00093 virtual OutputType Evaluate( const PointType& point ) const = 0;
00094
00097 virtual void Initialize() throw ( ExceptionObject ) {};
00098
00099 protected:
00100
00101 ShapeSignedDistanceFunction() {};
00102
00103 ~ShapeSignedDistanceFunction(){};
00104
00105 void PrintSelf(std::ostream& os, Indent indent) const
00106 {
00107 Superclass::PrintSelf( os, indent );
00108
00109 }
00110
00111 ParametersType m_Parameters;
00112
00113 private:
00114 ShapeSignedDistanceFunction( const Self& );
00115 void operator=( const Self& );
00116
00117 };
00118
00119 }
00120
00121 #endif
00122