1 /**************************************************************************
2 * This file is property of and copyright by the Experimental Nuclear *
3 * Physics Group, Dep. of Physics *
4 * University of Oslo, Norway, 2007 *
6 * Author: Per Thomas Hille <perthi@fys.uio.no> for the ALICE HLT Project.*
7 * Contributors are mentioned in the code where appropriate. *
8 * Please report bugs to perthi@fys.uio.no *
10 * Permission to use, copy, modify and distribute this software and its *
11 * documentation strictly for non-commercial purposes is hereby granted *
12 * without fee, provided that the above copyright notice appears in all *
13 * copies and that both the copyright notice and this permission notice *
14 * appear in the supporting documentation. The authors make no claims *
15 * about the suitability of this software for any purpose. It is *
16 * provided "as is" without express or implied warranty. *
17 **************************************************************************/
19 // Evaluation of amplitude
20 // as max sample value - pedestal
21 // Not veru accurate, but very robust
25 #include "AliCaloRawAnalyzerCrude.h"
26 #include "AliCaloFitResults.h"
27 #include "AliCaloBunchInfo.h"
31 ClassImp(AliCaloRawAnalyzerCrude)
34 AliCaloRawAnalyzerCrude::AliCaloRawAnalyzerCrude() : AliCaloRawAnalyzer("Crude", "Crude")
42 AliCaloRawAnalyzerCrude::Evaluate(const vector<AliCaloBunchInfo> &bunchvector, const UInt_t altrocfg1, const UInt_t altrocfg2)
44 // Evaluation of signal parameters
45 short maxampindex; //index of maximum amplitude
46 short maxamp; //Maximum amplitude
47 int index = SelectBunch( bunchvector, &maxampindex, &maxamp );
51 Float_t ped = ReverseAndSubtractPed( &(bunchvector.at(index)) , altrocfg1, altrocfg2, fReversed );
52 Float_t maxf = TMath::MaxElement( bunchvector.at(index).GetLength(), fReversed );
53 short timebinOffset = maxampindex - (bunchvector.at(index).GetLength()-1);
55 if( maxf < fAmpCut || ( maxamp - ped) > fOverflowCut ) // (maxamp - ped) > fOverflowCut = Close to saturation (use low gain then)
57 return AliCaloFitResults( maxamp, ped, Ret::kCrude, maxf, timebinOffset);
59 else if ( maxf >= fAmpCut ) // no if statement needed really; keep for readability
63 int maxrev = maxampindex - bunchvector.at(index).GetStartBin();
64 SelectSubarray( fReversed, bunchvector.at(index).GetLength(), maxrev , &first, &last, fFitArrayCut );
66 Float_t chi2 = CalculateChi2(maxf, maxrev, first, last);
67 Int_t ndf = last - first - 1; // nsamples - 2
68 return AliCaloFitResults( maxamp, ped, Ret::kCrude, maxf, timebinOffset,
69 timebinOffset, chi2, ndf, Ret::kDummy, AliCaloFitSubarray(index, maxrev, first, last) );
73 return AliCaloFitResults( Ret::kInvalid , Ret::kInvalid);