root/TMVA/VariableIdentityTransform.h

0001 // @(#)root/tmva $Id$
0002 // Author: Andreas Hoecker, Joerg Stelzer, Helge Voss
0003
0004 /**********************************************************************************
0005  * Project: TMVA - a Root-integrated toolkit for multivariate data analysis       *
0006  * Package: TMVA                                                                  *
0007  * Class  : VariableIdentityTransform                                             *
0008  *                                             *
0009  *                                                                                *
0010  * Description:                                                                   *
0011  *      Identity transform                                                        *
0012  *                                                                                *
0013  * Authors (alphabetical):                                                        *
0014  *      Andreas Hoecker <Andreas.Hocker@cern.ch> - CERN, Switzerland              *
0015  *      Joerg Stelzer   <Joerg.Stelzer@cern.ch>  - CERN, Switzerland              *
0016  *      Helge Voss      <Helge.Voss@cern.ch>     - MPI-K Heidelberg, Germany      *
0017  *                                                                                *
0018  * Copyright (c) 2005:                                                            *
0019  *      CERN, Switzerland                                                         *
0020  *      U. of Victoria, Canada                                                    *
0021  *      MPI-K Heidelberg, Germany                                                 *
0022  *                                                                                *
0023  * Redistribution and use in source and binary forms, with or without             *
0024  * modification, are permitted according to the terms listed in LICENSE           *
0025  * (see tmva/doc/LICENSE)                                          *
0026  **********************************************************************************/
0027
0028 #ifndef ROOT_TMVA_VariableIdentityTransform
0029 #define ROOT_TMVA_VariableIdentityTransform
0030
0031 //////////////////////////////////////////////////////////////////////////
0032 //                                                                      //
0033 // VariableIdentityTransform                                            //
0034 //                                                                      //
0035 // Linear interpolation class                                           //
0036 //                                                                      //
0037 //////////////////////////////////////////////////////////////////////////
0038
0039 #include "TMVA/VariableTransformBase.h"
0040
0041 #include <vector>
0042
0043 namespace TMVA {
0044
0045    class VariableIdentityTransform : public VariableTransformBase {
0046
0047    public:
0048
0049       VariableIdentityTransform( DataSetInfo& dsi );
0050       virtual ~VariableIdentityTransform( void ) {}
0051
0052       void   Initialize() override;
0053       Bool_t PrepareTransformation (const std::vector<Event*>& ) override;
0054
0055       void WriteTransformationToStream ( std::ostream& ) const override {}
0056       void ReadTransformationFromStream( std::istream&, const TString& ) override { SetCreated(); }
0057
0058       void AttachXMLTo(void* parent) override;
0059       void ReadFromXML( void* trfnode ) override;
0060
0061       const Event* Transform(const Event* const, Int_t cls ) const override;
0062       const Event* InverseTransform(const Event* const ev, Int_t cls ) const override { return Transform( ev, cls ); }
0063
0064       // writer of function code
0065       void MakeFunction(std::ostream& fout, const TString& fncName, Int_t part, UInt_t trCounter, Int_t cls ) override;
0066
0067       ClassDefOverride(VariableIdentityTransform,0); // Variable transformation: identity
0068    };
0069
0070 } // namespace TMVA
0071
0072 #endif