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")
41 AliCaloRawAnalyzerCrude::~AliCaloRawAnalyzerCrude()
48 AliCaloRawAnalyzerCrude::Evaluate(const vector<AliCaloBunchInfo> &bunchvector, const UInt_t altrocfg1, const UInt_t altrocfg2)
50 // Evaluation of signal parameters
51 short maxampindex; //index of maximum amplitude
52 short maxamp; //Maximum amplitude
53 int index = SelectBunch( bunchvector, &maxampindex, &maxamp );
57 Float_t ped = ReverseAndSubtractPed( &(bunchvector.at(index)) , altrocfg1, altrocfg2, fReversed );
58 Float_t maxf = TMath::MaxElement( bunchvector.at(index).GetLength(), fReversed );
59 short timebinOffset = maxampindex - (bunchvector.at(index).GetLength()-1);
61 if( maxf < fAmpCut || ( maxamp - ped) > fOverflowCut ) // (maxamp - ped) > fOverflowCut = Close to saturation (use low gain then)
63 return AliCaloFitResults( maxamp, ped, Ret::kCrude, maxf, timebinOffset);
65 else if ( maxf >= fAmpCut ) // no if statement needed really; keep for readability
69 int maxrev = maxampindex - bunchvector.at(index).GetStartBin();
70 SelectSubarray( fReversed, bunchvector.at(index).GetLength(), maxrev , &first, &last, fFitArrayCut );
72 Float_t chi2 = CalculateChi2(maxf, maxrev, first, last);
73 Int_t ndf = last - first - 1; // nsamples - 2
74 return AliCaloFitResults( maxamp, ped, Ret::kCrude, maxf, timebinOffset,
75 timebinOffset, chi2, ndf, Ret::kDummy, AliCaloFitSubarray(index, maxrev, first, last) );
79 return AliCaloFitResults( Ret::kInvalid , Ret::kInvalid);