ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkGaussianDerivativeSpatialFunction.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 __itkGaussianDerivativeSpatialFunction_h
00019 #define __itkGaussianDerivativeSpatialFunction_h
00020 
00021 #include "itkSpatialFunction.h"
00022 #include "itkFixedArray.h"
00023 
00024 namespace itk
00025 {
00041 template< typename TOutput = double,
00042           unsigned int VImageDimension = 3,
00043           typename TInput = Point< double, VImageDimension > >
00044 class ITK_EXPORT GaussianDerivativeSpatialFunction:public SpatialFunction< TOutput, VImageDimension, TInput >
00045 {
00046 public:
00048   typedef GaussianDerivativeSpatialFunction                   Self;
00049   typedef SpatialFunction< TOutput, VImageDimension, TInput > Superclass;
00050   typedef SmartPointer< Self >                                Pointer;
00051   typedef SmartPointer< const Self >                          ConstPointer;
00052 
00054   itkNewMacro(Self);
00055 
00057   itkTypeMacro(GaussianDerivativeSpatialFunction, SpatialFunction);
00058 
00060   typedef typename Superclass::InputType InputType;
00061 
00063   typedef typename Superclass::OutputType OutputType;
00064 
00066   typedef FixedArray< double, VImageDimension > ArrayType;
00067 
00069   typedef Vector< double, VImageDimension > VectorType;
00070 
00074   OutputType Evaluate(const TInput & position) const;
00075 
00077   VectorType EvaluateVector(const TInput & position) const;
00078 
00080   itkSetMacro(Scale, double);
00081   itkGetConstMacro(Scale, double);
00082   itkSetMacro(Normalized, bool);
00083   itkGetConstMacro(Normalized, bool);
00084   itkSetMacro(Sigma, ArrayType);
00085   itkGetConstMacro(Sigma, ArrayType);
00086   itkSetMacro(Mean, ArrayType);
00087   itkGetConstMacro(Mean, ArrayType);
00088   itkSetMacro(Direction, unsigned int);
00089   itkGetConstMacro(Direction, unsigned int);
00090 protected:
00091   GaussianDerivativeSpatialFunction();
00092   virtual ~GaussianDerivativeSpatialFunction();
00093   void PrintSelf(std::ostream & os, Indent indent) const;
00095 
00096 private:
00097   GaussianDerivativeSpatialFunction(const Self &); //purposely not implemented
00098   void operator=(const Self &);                    //purposely not implemented
00099 
00101   mutable unsigned int m_Direction;
00102 
00104   ArrayType m_Sigma;
00105 
00107   ArrayType m_Mean;
00108 
00110   double m_Scale;
00111 
00113   bool m_Normalized;
00114 };
00115 } // end namespace itk
00116 
00117 // Define instantiation macro for this template.
00118 #define ITK_TEMPLATE_GaussianDerivativeSpatialFunction(_, EXPORT, TypeX, TypeY)     \
00119   namespace itk                                                                     \
00120   {                                                                                 \
00121   _( 3 ( class EXPORT GaussianDerivativeSpatialFunction< ITK_TEMPLATE_3 TypeX > ) ) \
00122   namespace Templates                                                               \
00123   {                                                                                 \
00124   typedef GaussianDerivativeSpatialFunction< ITK_TEMPLATE_3 TypeX >                 \
00125   GaussianDerivativeSpatialFunction##TypeY;                                       \
00126   }                                                                                 \
00127   }
00128 
00129 #if ITK_TEMPLATE_EXPLICIT
00130 #include "Templates/itkGaussianDerivativeSpatialFunction+-.h"
00131 #endif
00132 
00133 #if ITK_TEMPLATE_TXX
00134 #include "itkGaussianDerivativeSpatialFunction.hxx"
00135 #endif
00136 
00137 #endif
00138