ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkGaussianRadialBasisFunction.h
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00001 /*=========================================================================
00002  *
00003  *  Copyright Insight Software Consortium
00004  *
00005  *  Licensed under the Apache License, Version 2.0 (the "License");
00006  *  you may not use this file except in compliance with the License.
00007  *  You may obtain a copy of the License at
00008  *
00009  *         http://www.apache.org/licenses/LICENSE-2.0.txt
00010  *
00011  *  Unless required by applicable law or agreed to in writing, software
00012  *  distributed under the License is distributed on an "AS IS" BASIS,
00013  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  *  See the License for the specific language governing permissions and
00015  *  limitations under the License.
00016  *
00017  *=========================================================================*/
00018 #ifndef __itkGaussianRadialBasisFunction_h
00019 #define __itkGaussianRadialBasisFunction_h
00020 
00021 #include "itkRadialBasisFunctionBase.h"
00022 #include "itkNNetDistanceMetricBase.h"
00023 
00024 namespace itk
00025 {
00026 namespace Statistics
00027 {
00034 template<class ScalarType>
00035 class GaussianRadialBasisFunction : public RadialBasisFunctionBase<ScalarType>
00036 {
00037 public:
00038 
00040   typedef GaussianRadialBasisFunction         Self;
00041   typedef RadialBasisFunctionBase<ScalarType> Superclass;
00042   typedef typename Superclass::ArrayType      ArrayType;
00043   typedef SmartPointer<Self>                  Pointer;
00044   typedef SmartPointer<const Self>            ConstPointer;
00045 
00047   itkTypeMacro(GaussianRadialBasisFunction,RadialBasisFunctionBase);
00048 
00050   itkNewMacro(Self);
00051 
00053   virtual ScalarType Evaluate(const ScalarType& input) const;
00054 
00055   virtual ScalarType EvaluateDerivative(const ScalarType& dist,const ArrayType& input,
00056                                       char mode,int element_id=0) const;
00057 
00058 protected:
00059 
00060   GaussianRadialBasisFunction();
00061   virtual ~GaussianRadialBasisFunction();
00062 
00064   virtual void PrintSelf( std::ostream& os, Indent indent ) const;
00065 
00066 };
00067 
00068 } // end namespace Statistics
00069 } // end namespace itk
00070 
00071 #ifndef ITK_MANUAL_INSTANTIATION
00072   #include "itkGaussianRadialBasisFunction.hxx"
00073 #endif
00074 
00075 #endif
00076