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itkGaussianSpatialObject.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkGaussianSpatialObject.h,v $
00005   Language:  C++
00006   Date:      $Date: 2005/01/21 17:59:18 $
00007   Version:   $Revision: 1.8 $
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 
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 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(Maximum,ScalarType);
00078   itkGetConstReferenceMacro(Maximum,ScalarType);
00080 
00084   ScalarType SquaredZScore( const PointType& point ) const;
00085 
00087   virtual bool ValueAt( const PointType & point, ScalarType & value, 
00088                         unsigned int depth=0,
00089                         char * name=NULL) const;
00090 
00092   virtual bool IsEvaluableAt( const PointType & , unsigned int,
00093                               char *) const { return true; }
00094 
00096   virtual bool IsInside( const PointType & point,
00097                          unsigned int depth,
00098                          char * name) const;
00099 
00103   virtual bool IsInside( const PointType & point) const;
00104 
00107   virtual bool ComputeLocalBoundingBox() const;
00108 
00111   typename EllipseSpatialObject< TDimension >::Pointer GetEllipsoid() const;
00112 
00113 protected:
00114 
00115   GaussianSpatialObject( void );
00116   ~GaussianSpatialObject( void );
00117 
00118   ScalarType m_Maximum;
00119   ScalarType m_Radius;
00120 
00122   virtual void PrintSelf( std::ostream& os, Indent indent ) const; 
00123 
00124 };
00125 
00126 } // end namespace itk
00127 
00128 #ifndef ITK_MANUAL_INSTANTIATION
00129 #include "itkGaussianSpatialObject.txx"
00130 #endif
00131 
00132 #endif // __itkGaussianSpatialObject_h
00133 

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