ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkDerivativeOperator.h
Go to the documentation of this file.
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 __itkDerivativeOperator_h
00019 #define __itkDerivativeOperator_h
00020 
00021 #include "itkNeighborhoodOperator.h"
00022 
00023 namespace itk
00024 {
00065 template< class TPixel, unsigned int VDimension = 2,
00066           class TAllocator = NeighborhoodAllocator< TPixel > >
00067 class ITK_EXPORT DerivativeOperator:
00068   public NeighborhoodOperator< TPixel, VDimension, TAllocator >
00069 {
00070 public:
00071 
00073   typedef DerivativeOperator Self;
00074   typedef NeighborhoodOperator<
00075     TPixel, VDimension, TAllocator >           Superclass;
00076 
00077   typedef typename Superclass::PixelType     PixelType;
00078   typedef typename Superclass::PixelRealType PixelRealType;
00079 
00081   DerivativeOperator():m_Order(1) {}
00082 
00084   DerivativeOperator(const Self & other):
00085     NeighborhoodOperator< TPixel, VDimension, TAllocator >(other)
00086   { m_Order = other.m_Order;  }
00087 
00089   Self & operator=(const Self & other)
00090   {
00091     Superclass::operator=(other);
00092     m_Order = other.m_Order;
00093     return *this;
00094   }
00096 
00098   void SetOrder(const unsigned int & order)
00099   {
00100     this->m_Order = order;
00101   }
00102 
00104   unsigned int GetOrder() const { return m_Order; }
00105 
00107   virtual void PrintSelf(std::ostream & os, Indent i) const
00108   {
00109     os << i << "DerivativeOperator { this=" << this
00110        << ", m_Order = " << m_Order << "}" << std::endl;
00111     Superclass::PrintSelf( os, i.GetNextIndent() );
00112   }
00114 
00115 protected:
00118   typedef typename Superclass::CoefficientVector CoefficientVector;
00119 
00121   CoefficientVector GenerateCoefficients();
00122 
00124   void Fill(const CoefficientVector & coeff)
00125   {   Superclass::FillCenteredDirectional(coeff);  }
00126 private:
00127 
00129   unsigned int m_Order;
00130 };
00131 } // namespace itk
00132 
00133 // Define instantiation macro for this template.
00134 #define ITK_TEMPLATE_DerivativeOperator(_, EXPORT, TypeX, TypeY)     \
00135   namespace itk                                                      \
00136   {                                                                  \
00137   _( 2 ( class EXPORT DerivativeOperator< ITK_TEMPLATE_2 TypeX > ) ) \
00138   namespace Templates                                                \
00139   {                                                                  \
00140   typedef DerivativeOperator< ITK_TEMPLATE_2 TypeX >                 \
00141   DerivativeOperator##TypeY;                                       \
00142   }                                                                  \
00143   }
00144 
00145 #if ITK_TEMPLATE_EXPLICIT
00146 #include "Templates/itkDerivativeOperator+-.h"
00147 #endif
00148 
00149 #if ITK_TEMPLATE_TXX
00150 #include "itkDerivativeOperator.hxx"
00151 #endif
00152 
00153 #endif
00154