+
/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* *
#include "AliT0Calibrator.h"
#include <TGraph.h>
#include <TH1F.h>
+#include <TMath.h>
+#include <Riostream.h>
ClassImp(AliT0Calibrator)
//____________________________________________________________________
AliT0Calibrator::AliT0Calibrator():TNamed(),
- fChannelWidth(0),
- fWalk(0)
+ fChannelWidth(0),
+ fWalk(0)
+
{
//constructor
- AliT0Parameters* param = AliT0Parameters::Instance();
- param->Init();
+ AliT0Parameters* param = AliT0Parameters::Instance();
+ param->Init();
fChannelWidth = param->GetChannelWidth() ;
-
for (Int_t i=0; i<24; i++){
+ fMaxValue[i]=0;
fTimeDelayCFD[i] = Int_t (param->GetTimeDelayCFD(i));
+
TGraph* fu = param ->GetWalk(i);
- fWalk.AddAtAndExpand(fu,i);
+ // TGraph* fu = param ->GetAmpLEDRec(i);
+ fWalk.AddAtAndExpand(fu,i);
}
- //
}
//_____________________________________________________________________________
}
-
//____________________________________________________________________
-Int_t AliT0Calibrator::WalkCorrection(Int_t ipmt, Int_t qt, Int_t time, TString option)
+Int_t AliT0Calibrator::WalkCorrection(Int_t ipmt, Int_t qt, Int_t time)
{
//slewing correcion and equalizing channels
+ Int_t walk=0;
+
Int_t timeEq=0, timeWalk=0;
TGraph *fu1=(TGraph*) fWalk.At(ipmt);
- Float_t walk=fu1->Eval(Float_t(qt));
- TH1F*hr=fu1->GetHistogram();
- Float_t maxValue=hr->GetMaximum(50);
- if (option == "pdc")
- timeWalk = time + Int_t((maxValue-walk)/fChannelWidth) ;
- if (option == "cosmic")
- timeWalk = time + Int_t((maxValue-walk)) ;
- timeEq= timeWalk - (fTimeDelayCFD[ipmt]-fTimeDelayCFD[0]);
- AliDebug(10,Form(" time before %i timeWalk %i , qt %i timeEq %i \n ",
- time,timeWalk, qt, timeEq ));
+ if(fu1 && fu1->GetN()>0)
+ walk=Int_t(fu1->Eval(Double_t(qt)));
+
+ timeWalk = time + walk ;
+ timeEq= timeWalk - fTimeDelayCFD[ipmt];
+ AliDebug(10,Form(" ipmt %i time before %i timeWalk %i , walk %i qt %i timeEq %i \n ",
+ ipmt, time,timeWalk, walk, qt, timeEq ));
+
return timeEq;
}