00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkIdentityTransferFunction.h,v $ 00005 Language: C++ 00006 Date: $Date: 2009-01-24 21:33:49 $ 00007 Version: $Revision: 1.3 $ 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 __itkIdentityTransferFunction_h 00019 #define __itkIdentityTransferFunction_h 00020 00021 #include "itkTransferFunctionBase.h" 00022 00023 namespace itk 00024 { 00025 namespace Statistics 00026 { 00027 00028 template<class ScalarType> 00029 class IdentityTransferFunction : public TransferFunctionBase<ScalarType> 00030 { 00031 public: 00032 00034 typedef IdentityTransferFunction Self; 00035 typedef TransferFunctionBase<ScalarType> Superclass; 00036 typedef SmartPointer<Self> Pointer; 00037 typedef SmartPointer<const Self> ConstPointer; 00038 00040 itkTypeMacro(IdentityTransferFunction, TransferFunctionBase); 00041 00043 itkNewMacro(Self); 00044 00045 00047 virtual ScalarType Evaluate(const ScalarType& input) const; 00048 00050 virtual ScalarType EvaluateDerivative(const ScalarType& input) const; 00051 00052 protected: 00053 00054 IdentityTransferFunction(); 00055 virtual ~IdentityTransferFunction(); 00056 00058 virtual void PrintSelf( std::ostream& os, Indent indent ) const; 00059 00060 };//class 00061 00062 } // end namespace Statistics 00063 } // end namespace itk 00064 00065 #ifndef ITK_MANUAL_INSTANTIATION 00066 #include "itkIdentityTransferFunction.txx" 00067 #endif 00068 00069 00070 #endif 00071