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00018 #ifndef __itkGaussianSpatialObject_h
00019 #define __itkGaussianSpatialObject_h
00020
00021 #include "itkAffineTransform.h"
00022 #include "itkFixedArray.h"
00023 #include "itkSpatialObject.h"
00024 #include "itkEllipseSpatialObject.h"
00025
00026 namespace itk
00027 {
00028
00045 template < unsigned int TDimension = 3 >
00046 class ITK_EXPORT GaussianSpatialObject
00047 : public SpatialObject< TDimension >
00048 {
00049
00050 public:
00051
00052 typedef GaussianSpatialObject Self;
00053 typedef double ScalarType;
00054 typedef SmartPointer < Self > Pointer;
00055 typedef SmartPointer < const Self > ConstPointer;
00056 typedef SpatialObject< TDimension > Superclass;
00057 typedef SmartPointer< Superclass > SuperclassPointer;
00058 typedef typename Superclass::PointType PointType;
00059 typedef typename Superclass::TransformType TransformType;
00060 typedef typename Superclass::BoundingBoxType BoundingBoxType;
00061
00062 itkStaticConstMacro(NumberOfDimensions, unsigned int,
00063 TDimension);
00064
00065 itkNewMacro( Self );
00066 itkTypeMacro( GaussianSpatialObject, SpatialObject );
00067
00071 itkSetMacro(Radius,ScalarType);
00072 itkGetConstReferenceMacro(Radius,ScalarType);
00074
00077 itkSetMacro(Sigma,ScalarType);
00078 itkGetConstReferenceMacro(Sigma,ScalarType);
00080
00083 itkSetMacro(Maximum,ScalarType);
00084 itkGetConstReferenceMacro(Maximum,ScalarType);
00086
00090 ScalarType SquaredZScore( const PointType& point ) const;
00091
00093 virtual bool ValueAt( const PointType & point, ScalarType & value,
00094 unsigned int depth=0,
00095 char * name=NULL) const;
00096
00099 virtual bool IsEvaluableAt( const PointType & point,
00100 unsigned int depth=0,
00101 char * name=NULL) const;
00102
00104 virtual bool IsInside( const PointType & point,
00105 unsigned int depth,
00106 char * name) const;
00107
00111 virtual bool IsInside( const PointType & point) const;
00112
00115 virtual bool ComputeLocalBoundingBox() const;
00116
00119 typename EllipseSpatialObject< TDimension >::Pointer GetEllipsoid() const;
00120
00121 protected:
00122 GaussianSpatialObject(const Self&);
00123 void operator=(const Self&);
00124
00125 GaussianSpatialObject( void );
00126 ~GaussianSpatialObject( void );
00127
00128 ScalarType m_Maximum;
00129 ScalarType m_Radius;
00130 ScalarType m_Sigma;
00131
00133 virtual void PrintSelf( std::ostream& os, Indent indent ) const;
00134
00135 };
00136
00137 }
00138
00139 #ifndef ITK_MANUAL_INSTANTIATION
00140 #include "itkGaussianSpatialObject.txx"
00141 #endif
00142
00143 #endif // __itkGaussianSpatialObject_h
00144