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itkGaussianSpatialFunction.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkGaussianSpatialFunction.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/02/21 14:01:14 $
00007   Version:   $Revision: 1.5 $
00008 
00009   Copyright (c) 2002 Insight 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 #ifndef __itkGaussianSpatialFunction_h
00018 #define __itkGaussianSpatialFunction_h
00019 
00020 #include "itkSpatialFunction.h"
00021 #include "itkFixedArray.h"
00022 #include "itkPoint.h"
00023 
00024 namespace itk
00025 {
00026 
00040 template <typename TOutput=double, 
00041           unsigned int VImageDimension=3,
00042           typename TInput=Point<double, VImageDimension> >
00043 class ITK_EXPORT GaussianSpatialFunction : public SpatialFunction<TOutput, VImageDimension, TInput>
00044 {
00045 public:
00047   typedef GaussianSpatialFunction Self;
00048   typedef SpatialFunction<TOutput, VImageDimension, TInput> Superclass;
00049   typedef SmartPointer<Self>  Pointer;
00050   typedef SmartPointer<const Self>  ConstPointer;
00051   
00053   itkNewMacro(Self);
00054 
00056   itkTypeMacro(GaussianSpatialFunction, SpatialFunction);
00057 
00059   typedef typename Superclass::InputType InputType;
00060 
00062   typedef typename Superclass::OutputType OutputType;
00063 
00065   typedef FixedArray<double, VImageDimension> ArrayType;
00066 
00068   OutputType Evaluate(const TInput& position) const;
00069 
00071   itkSetMacro(Scale, double);
00072   itkGetMacro(Scale, double);
00073   itkSetMacro(Normalized, bool);
00074   itkGetMacro(Normalized, bool);
00075   itkSetMacro(Sigma, ArrayType);
00076   itkGetMacro(Sigma, ArrayType);
00077   itkSetMacro(Mean, ArrayType);
00078   itkGetMacro(Mean, ArrayType);
00079 
00080 protected:
00081   GaussianSpatialFunction();
00082   virtual ~GaussianSpatialFunction();
00083   void PrintSelf(std::ostream& os, Indent indent) const;
00084 
00085 private:
00086   GaussianSpatialFunction(const Self&); //purposely not implemented
00087   void operator=(const Self&); //purposely not implemented
00088 
00090   ArrayType m_Sigma;
00091 
00093   ArrayType m_Mean;
00094 
00096   double m_Scale;
00097 
00099   bool m_Normalized;
00100 
00101 };
00102 
00103 } // end namespace itk
00104 
00105 #ifndef ITK_MANUAL_INSTANTIATION
00106 #include "itkGaussianSpatialFunction.txx"
00107 #endif
00108 
00109 #endif

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