[u/mrichter/AliRoot.git] / T0 / AliT0CalibTimeEq.cxx


/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
// class for T0 calibration                       TM-AC-AM_6-02-2006  
// equalize time shift for each time CFD channel
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include "AliT0CalibTimeEq.h"
#include "AliLog.h"
#include <TFile.h>
#include <TMath.h>
#include <TF1.h>
#include <TSpectrum.h>
#include <TProfile.h>
#include <iostream>

ClassImp(AliT0CalibTimeEq)

//________________________________________________________________
  AliT0CalibTimeEq::AliT0CalibTimeEq():TNamed(),
				       fMeanVertex(0),        
				       fRmsVertex(0)      
{
  //

}

//________________________________________________________________
AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed(),
				       fMeanVertex(0),        
				       fRmsVertex(0)      
{
  //constructor

  TString namst = "Calib_";
  namst += name;
  SetName(namst.Data());
  SetTitle(namst.Data());
}

//________________________________________________________________
AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda),		
				       fMeanVertex(0),        
				       fRmsVertex(0)      
{
// copy constructor
  SetName(calibda.GetName());
  SetTitle(calibda.GetName());


}

//________________________________________________________________
AliT0CalibTimeEq &AliT0CalibTimeEq::operator =(const AliT0CalibTimeEq& calibda)
{
// assignment operator
  SetName(calibda.GetName());
  SetTitle(calibda.GetName());
 
  return *this;
}

//________________________________________________________________
AliT0CalibTimeEq::~AliT0CalibTimeEq()
{
  //
  // destrictor
}
//________________________________________________________________
void AliT0CalibTimeEq::Reset()
{
  //reset values

  memset(fCFDvalue,0,120*sizeof(Float_t));
  memset(fTimeEq,1,24*sizeof(Float_t));
}


//________________________________________________________________
void  AliT0CalibTimeEq::Print(Option_t*) const
{
  // print time values

  printf("\n	----	PM Arrays	----\n\n");
  printf(" Time delay CFD \n");
  for (Int_t i=0; i<24; i++) printf(" CFD  %f ",fTimeEq[i]);
  printf("\n Mean Vertex %f \n", fMeanVertex);
} 


//________________________________________________________________
Bool_t AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys)
{
  // compute online equalized time
  Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime;
  meandiff = sigmadiff =  meanver = meancfdtime = sigmacfdtime =0;
  Double_t rmsver=0;
  Int_t nent=0;
  Int_t okdiff=0;
  Int_t oktime=0;
  Bool_t ok=false;
  gFile = TFile::Open(filePhys);
  if(!gFile) {
    AliError("No input PHYS data found ");
  }
  else
    {
      ok=true;
      for (Int_t i=0; i<24; i++)
	{

	  meandiff = sigmadiff =  meanver = meancfdtime = sigmacfdtime =0;
	  TH1F *cfd = (TH1F*) gFile->Get(Form("CFD1minCFD%d",i+1));
	  TH1F *cfdtime = (TH1F*) gFile->Get(Form("CFD%d",i+1));
	  if(!cfd) {
	    AliWarning(Form("no Diff histograms collected by PHYS DA for channel %i", i));
	    okdiff++;
	    if(okdiff<4) {
	      meandiff = 0;
	      sigmadiff = 0;
	    }
	    else
	      ok = false; 
	  }
	  if(!cfdtime) {
	    AliWarning(Form("no CFD histograms collected by PHYS DA for channel %i", i));
	    oktime++;
	    if(oktime<4) {
	      meancfdtime = 0;
	    }
	    else
	      ok = false; 
	  }
	  if(cfd) {
	    nent = Int_t(cfd->GetEntries());
	    if( nent<=50 || cfd->GetRMS() == 0 || cfd->GetMean() ) {
	      okdiff++;
	      if(okdiff<4) {
		meandiff = 0;
		sigmadiff = 0;
	      }
	      else
		{
		  AliWarning(Form(" Not  enouph data in PMT %i- PMT1:  %i ", i, nent));
		  ok = false; 
		}
	    }
	    if(nent>50)  { 
	      if(cfd->GetRMS()>1.5 )
		GetMeanAndSigma(cfd, meandiff, sigmadiff);
	      if(cfd->GetRMS()<=1.5) 
		{
		  meandiff = cfd->GetMean();
		  sigmadiff=cfd->GetRMS();
		}
	      Int_t   maxBin = cfd->GetMaximumBin(); 
	      Double_t  meanEstimate = cfd->GetBinCenter( maxBin); 
	      if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; 
	    }
	  }
	  
	  if(cfdtime) {
	    nent = Int_t(cfdtime->GetEntries());
	    if( nent<=50 || cfdtime->GetRMS() == 0 || cfdtime->GetMean() ) {
	      oktime++;
	      if(oktime<4) {
		meancfdtime = 0;
	      }
	      else
		{
		  AliWarning(Form(" Not  enouph data in PMT %i:  %i ", i, nent));
		  ok = false; 
		}
	    }
	    if(nent > 50 )  { //!!!!!!!!!!
	      if(cfdtime->GetRMS()>1.5 )
		GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime);
	      if(cfdtime->GetRMS()<=1.5) 
		{
		  meancfdtime = cfdtime->GetMean();
		  sigmacfdtime = cfdtime->GetRMS();
		}
	      Int_t   maxBin = cfdtime->GetMaximumBin(); 
	      Double_t  meanEstimate = cfdtime->GetBinCenter( maxBin); 
	      if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; 
	    }
	  }
	  SetTimeEq(i,meandiff);
	  SetTimeEqRms(i,sigmadiff);
	  SetCFDvalue(i,0,meancfdtime);
	  if (cfd) delete cfd;
	  if (cfdtime) delete cfdtime;
	}
      TH1F *ver = (TH1F*) gFile->Get("hVertex");
      if(ver) {
	meanver = ver->GetMean();
	rmsver = ver->GetRMS();
      }
      SetMeanVertex(meanver);
      SetRmsVertex(rmsver);
      
      gFile->Close();
      delete gFile;
      
    }
    return ok; 
}

//________________________________________________________________
  Int_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t *timecdb, Float_t *cfdvalue, Int_t badpmt)
{
  // fStatus implementation:
  //ok means
  // 1000  - can not open file 
  // for timediff
  // 1-24  no histograms with time diff for more than okdiff channenls
  // 100 >3 histos are empty
  // - 1 if less 3 channels are empty ;for these channels OCDB value will be written back WARNING
  // -2  low statistics in few channels; for these channels OCDB value will be written back WARNING
  // for cfd
  // 200 >3 histos are empty 
  // -11 if less 3 channels are empty ;for these channels OCDB value will be written back WARNING
  // -22  low statistics in few channels; for these channels OCDB value will be written back WARNING
   //
  // compute offline equalized time
  Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime;
  meandiff = sigmadiff =  meanver = meancfdtime = sigmacfdtime =0;
  Int_t nent=0;
  Int_t ok = 0;
  Int_t okdiff=0;
  Int_t okcfd=0;
  TH1F *cfddiff = NULL; 
  TH1F *cfdtime = NULL;
  TObjArray * TzeroObj = NULL;

  gFile = TFile::Open(filePhys);
  if(!gFile) {
    AliError("No input PHYS data found ");
    ok = 1000;
    return ok;
  }
  else
    {
      meandiff = sigmadiff =  meanver = meancfdtime = sigmacfdtime =0;
      TDirectory *dr = (TDirectory*) gFile->Get("T0Calib");
      if (dr)   TzeroObj = (TObjArray*) dr->Get("T0Calib");
      for (Int_t i=0; i<24; i++)
	{
	  if (i != badpmt) {
	    if(TzeroObj) {
	      cfddiff = (TH1F*)TzeroObj->FindObject(Form("CFD1minCFD%d",i+1));
	      cfdtime = (TH1F*)TzeroObj->FindObject(Form("CFD%d",i+1));
	    }
	    else
	      {
		cfddiff = (TH1F*)gFile->Get(Form("CFD1minCFD%d",i+1));
		cfdtime = (TH1F*)gFile->Get(Form("CFD%d",i+1));
		
	      }
	    if(!cfddiff ) {
	      AliWarning(Form("no  histograms collected by pass0 for diff channel %i", i));    
	      okdiff++;
	      if(okdiff<4) {
		meandiff = timecdb[i];
		sigmadiff = 0;
		ok = -1;
	      }
	      else
		return 100+okdiff; 
	    }
	    if(cfddiff) {
	      nent = Int_t(cfddiff->GetEntries());
	      if ( nent == 0) {
		okdiff++;
		if(okdiff<4) {
		  meandiff = timecdb[i];
		  sigmadiff = 0;
		  ok = - 1;
		}
		else
		  return 100; 
	      }	      
	      if(nent<100 && nent>0) { //!!!!!
		AliWarning(Form(" Not  enouph data in PMT %i- PMT1:  %i ", i, nent));
		ok=-2;
		meandiff = timecdb[i];
		sigmadiff = 0; 
	      }
	      if(nent>100 )  { //!!!!!
		{
		  if(cfddiff->GetRMS()>1.5 )
		    GetMeanAndSigma(cfddiff, meandiff, sigmadiff);
		  if(cfddiff->GetRMS()<=1.5) 
		    {
		      meandiff = cfddiff->GetMean();
		      sigmadiff = cfddiff->GetRMS();
		    }
		  Int_t   maxBin = cfddiff->GetMaximumBin(); 
		  Double_t  meanEstimate = cfddiff->GetBinCenter( maxBin); 
		  if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate; 
		}
	      }	    
	    }
	    if(!cfdtime ) {
	      AliWarning(Form("no  histograms collected by pass0 for time channel %i", i));
	      meancfdtime = cfdvalue[i];
	      okcfd++;
	      if(okcfd<4) {
		meancfdtime = cfdvalue[i];
		ok = -11;
	      }
	      else {
		AliError(Form("no  histograms collected by pass0 for time %i channels ", okcfd));
		return 200; 
	      }
	    }
	    if(cfdtime) {
	      nent = Int_t(cfdtime->GetEntries());
	      if (nent == 0 || 
		  (cfdtime->GetRMS() == 0 || cfdtime->GetMean() ==0 ) ) 
		{
		  okcfd++;
		  if(okcfd<4) {
		    meancfdtime = cfdvalue[i];
		    ok = -11;
		    printf("!!!!bad data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n",
			   i, nent, cfdtime->GetRMS(), cfdtime->GetMean(),  fCFDvalue[i][0]);
		  }
		  else
		    {
		    printf("!!!!fatal data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n",
			   i, nent, cfdtime->GetRMS(), cfdtime->GetMean(),  fCFDvalue[i][0]);
		      AliError(Form(" histograms collected by pass0 for time %i channels are empty", okcfd));
		      return 200; 
		    }
		}
	      
		  
	      if(nent<100 && nent>0 ) 
		{
		AliWarning(Form(" Not  enouph data in PMT in CFD peak %i - %i ", i, nent));
		if(okcfd<4) {
		  meancfdtime = cfdvalue[i];
		  ok = -22;
		  printf("!!!!low statstics:: pmt %i nent%i RMS %f mean %f cdbtime %f \n",
			 i, nent, cfdtime->GetRMS(), cfdtime->GetMean(),  fCFDvalue[i][0]);
		}
		else {
		  printf("!!!!low fatal statstics:: pmt %i nent%i RMS %f mean %f cdbtime %f \n",
			 i, nent, cfdtime->GetRMS(), cfdtime->GetMean(),  fCFDvalue[i][0]);

		  AliError(Form(" Not  enouph data in PMT in CFD peak %i in channels ", okcfd));
		  return 200; 
		}

	      }

	      if( nent>100 && cfdtime->GetRMS() != 0 )    { //!!!!!
		if(cfdtime->GetRMS()>1.5 )
		  GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime);
		if(cfdtime->GetRMS()<=1.5) 
		  {
		    meancfdtime = cfdtime->GetMean();
		    sigmacfdtime=cfdtime->GetRMS();
		  }
		Int_t   maxBin = cfdtime->GetMaximumBin(); 
		Double_t  meanEstimate = cfdtime->GetBinCenter( maxBin); 
		if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate; 
	    }
	  }
	  
	  SetTimeEq(i,meandiff);
	  SetTimeEqRms(i,sigmadiff);
	  SetCFDvalue(i,0, meancfdtime );
	  printf(" pmt %i diff %f sigma %f meancfdtime %f cdbtime %f \n",i, meandiff, sigmadiff, meancfdtime, fCFDvalue[i][0]);
	  if (cfddiff) cfddiff->Reset();
	  if (cfdtime) cfdtime->Reset();
	  } //bad pmt
	}
      
      gFile->Close();
      delete gFile;

    }
    return ok; 
   }

//________________________________________________________________________
void AliT0CalibTimeEq::GetMeanAndSigma(TH1F* hist,  Float_t &mean, Float_t &sigma) {
  
  const double window = 2.;  //fit window 
  
  double meanEstimate, sigmaEstimate; 
  int maxBin;
  maxBin        =  hist->GetMaximumBin(); //position of maximum
  meanEstimate  =  hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum
  // sigmaEstimate = hist->GetRMS();
  sigmaEstimate = 10;
  TF1* fit= new TF1("fit","gaus", meanEstimate - window*sigmaEstimate, meanEstimate + window*sigmaEstimate);
  fit->SetParameters(hist->GetBinContent(maxBin), meanEstimate, sigmaEstimate);
  hist->Fit("fit","RQ","Q");

  mean  = (Float_t) fit->GetParameter(1);
  sigma = (Float_t) fit->GetParameter(2);

  delete fit;
}
Commit	Line	Data
18086258	1
a2ad8166	2	/**************************************************************************
	3	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* *
	5	* Author: The ALICE Off-line Project. *
	6	* Contributors are mentioned in the code where appropriate. *
	7	* *
	8	* Permission to use, copy, modify and distribute this software and its *
	9	* documentation strictly for non-commercial purposes is hereby granted *
	10	* without fee, provided that the above copyright notice appears in all *
	11	* copies and that both the copyright notice and this permission notice *
	12	* appear in the supporting documentation. The authors make no claims *
	13	* about the suitability of this software for any purpose. It is *
	14	* provided "as is" without express or implied warranty. *
	15	**************************************************************************/
	16
	17	/* $Id$ */
	18
	19	///////////////////////////////////////////////////////////////////////////////
	20	// //
59b8a5fc	21	// class for T0 calibration TM-AC-AM_6-02-2006
59b8a5fc	22	// equalize time shift for each time CFD channel
a2ad8166	23	// //
	24	///////////////////////////////////////////////////////////////////////////////
	25
	26	#include "AliT0CalibTimeEq.h"
e47b556f	27	#include "AliLog.h"
a2ad8166	28	#include <TFile.h>
	29	#include <TMath.h>
	30	#include <TF1.h>
a2ad8166	31	#include <TSpectrum.h>
a2ad8166	32	#include <TProfile.h>
c61a7285	33	#include <iostream>
a2ad8166	34
	35	ClassImp(AliT0CalibTimeEq)
	36
	37	//________________________________________________________________
eef60a6a	38	AliT0CalibTimeEq::AliT0CalibTimeEq():TNamed(),
	39	fMeanVertex(0),
	40	fRmsVertex(0)
a2ad8166	41	{
a2ad8166	42	//
b95e8d87	43
a2ad8166	44	}
	45
	46	//________________________________________________________________
eef60a6a	47	AliT0CalibTimeEq::AliT0CalibTimeEq(const char* name):TNamed(),
	48	fMeanVertex(0),
	49	fRmsVertex(0)
a2ad8166	50	{
59b8a5fc	51	//constructor
59b8a5fc	52
a2ad8166	53	TString namst = "Calib_";
	54	namst += name;
	55	SetName(namst.Data());
	56	SetTitle(namst.Data());
	57	}
	58
	59	//________________________________________________________________
eef60a6a	60	AliT0CalibTimeEq::AliT0CalibTimeEq(const AliT0CalibTimeEq& calibda):TNamed(calibda),
	61	fMeanVertex(0),
	62	fRmsVertex(0)
a2ad8166	63	{
	64	// copy constructor
	65	SetName(calibda.GetName());
	66	SetTitle(calibda.GetName());
	67
	68
	69	}
	70
	71	//________________________________________________________________
	72	AliT0CalibTimeEq &AliT0CalibTimeEq::operator =(const AliT0CalibTimeEq& calibda)
	73	{
	74	// assignment operator
	75	SetName(calibda.GetName());
	76	SetTitle(calibda.GetName());
	77
	78	return *this;
	79	}
	80
	81	//________________________________________________________________
	82	AliT0CalibTimeEq::~AliT0CalibTimeEq()
	83	{
	84	//
59b8a5fc	85	// destrictor
a2ad8166	86	}
	87	//________________________________________________________________
	88	void AliT0CalibTimeEq::Reset()
	89	{
59b8a5fc	90	//reset values
59b8a5fc	91
a2ad8166	92	memset(fCFDvalue,0,120*sizeof(Float_t));
	93	memset(fTimeEq,1,24*sizeof(Float_t));
	94	}
	95
	96
	97	//________________________________________________________________
	98	void AliT0CalibTimeEq::Print(Option_t*) const
	99	{
59b8a5fc	100	// print time values
a2ad8166	101
	102	printf("\n ---- PM Arrays ----\n\n");
	103	printf(" Time delay CFD \n");
	104	for (Int_t i=0; i<24; i++) printf(" CFD %f ",fTimeEq[i]);
b95e8d87	105	printf("\n Mean Vertex %f \n", fMeanVertex);
a2ad8166	106	}
	107
	108
	109	//________________________________________________________________
02888358	110	Bool_t AliT0CalibTimeEq::ComputeOnlineParams(const char* filePhys)
a2ad8166	111	{
59b8a5fc	112	// compute online equalized time
1e7108ce	113	Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime;
c4ba15c3	114	meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0;
c4ba15c3	115	Double_t rmsver=0;
b5e0299c	116	Int_t nent=0;
32d3e409	117	Int_t okdiff=0;
32d3e409	118	Int_t oktime=0;
02888358	119	Bool_t ok=false;
c2337900	120	gFile = TFile::Open(filePhys);
370867d2	121	if(!gFile) {
6318dd46	122	AliError("No input PHYS data found ");
	123	}
	124	else
	125	{
02888358	126	ok=true;
6318dd46	127	for (Int_t i=0; i<24; i++)
6318dd46	128	{
18086258	129
e691fec9	130	meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0;
1e7108ce	131	TH1F cfd = (TH1F) gFile->Get(Form("CFD1minCFD%d",i+1));
1e7108ce	132	TH1F cfdtime = (TH1F) gFile->Get(Form("CFD%d",i+1));
dd92f5b8	133	if(!cfd) {
dd92f5b8	134	AliWarning(Form("no Diff histograms collected by PHYS DA for channel %i", i));
32d3e409	135	okdiff++;
	136	if(okdiff<4) {
	137	meandiff = 0;
	138	sigmadiff = 0;
	139	}
	140	else
	141	ok = false;
dd92f5b8	142	}
	143	if(!cfdtime) {
	144	AliWarning(Form("no CFD histograms collected by PHYS DA for channel %i", i));
32d3e409	145	oktime++;
	146	if(oktime<4) {
	147	meancfdtime = 0;
	148	}
	149	else
	150	ok = false;
dd92f5b8	151	}
eef60a6a	152	if(cfd) {
e691fec9	153	nent = Int_t(cfd->GetEntries());
32d3e409	154	if( nent<=50 \|\| cfd->GetRMS() == 0 \|\| cfd->GetMean() ) {
	155	okdiff++;
	156	if(okdiff<4) {
	157	meandiff = 0;
	158	sigmadiff = 0;
	159	}
	160	else
	161	{
	162	AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent));
	163	ok = false;
	164	}
	165	}
18086258	166	if(nent>50) {
612737bb	167	if(cfd->GetRMS()>1.5 )
e691fec9	168	GetMeanAndSigma(cfd, meandiff, sigmadiff);
	169	if(cfd->GetRMS()<=1.5)
	170	{
	171	meandiff = cfd->GetMean();
	172	sigmadiff=cfd->GetRMS();
	173	}
dd92f5b8	174	Int_t maxBin = cfd->GetMaximumBin();
	175	Double_t meanEstimate = cfd->GetBinCenter( maxBin);
	176	if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate;
1e7108ce	177	}
1e7108ce	178	}
32d3e409	179
1e7108ce	180	if(cfdtime) {
e691fec9	181	nent = Int_t(cfdtime->GetEntries());
391e1406	182	if( nent<=50 \|\| cfdtime->GetRMS() == 0 \|\| cfdtime->GetMean() ) {
32d3e409	183	oktime++;
	184	if(oktime<4) {
	185	meancfdtime = 0;
	186	}
	187	else
	188	{
	189	AliWarning(Form(" Not enouph data in PMT %i: %i ", i, nent));
	190	ok = false;
	191	}
	192	}
18086258	193	if(nent > 50 ) { //!!!!!!!!!!
b5e0299c	194	if(cfdtime->GetRMS()>1.5 )
e691fec9	195	GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime);
	196	if(cfdtime->GetRMS()<=1.5)
	197	{
	198	meancfdtime = cfdtime->GetMean();
	199	sigmacfdtime = cfdtime->GetRMS();
	200	}
dd92f5b8	201	Int_t maxBin = cfdtime->GetMaximumBin();
	202	Double_t meanEstimate = cfdtime->GetBinCenter( maxBin);
	203	if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate;
1e7108ce	204	}
1e7108ce	205	}
1e7108ce	206	SetTimeEq(i,meandiff);
	207	SetTimeEqRms(i,sigmadiff);
	208	SetCFDvalue(i,0,meancfdtime);
1e7108ce	209	if (cfd) delete cfd;
1e7108ce	210	if (cfdtime) delete cfdtime;
1e7108ce	211	}
1e7108ce	212	TH1F ver = (TH1F) gFile->Get("hVertex");
1e7108ce	213	if(ver) {
	214	meanver = ver->GetMean();
	215	rmsver = ver->GetRMS();
	216	}
	217	SetMeanVertex(meanver);
	218	SetRmsVertex(rmsver);
	219
	220	gFile->Close();
	221	delete gFile;
dd92f5b8	222
1e7108ce	223	}
	224	return ok;
	225	}
	226
	227	//________________________________________________________________
32d3e409	228	Int_t AliT0CalibTimeEq::ComputeOfflineParams(const char* filePhys, Float_t timecdb, Float_t cfdvalue, Int_t badpmt)
1e7108ce	229	{
32d3e409	230	// fStatus implementation:
	231	//ok means
	232	// 1000 - can not open file
	233	// for timediff
	234	// 1-24 no histograms with time diff for more than okdiff channenls
	235	// 100 >3 histos are empty
	236	// - 1 if less 3 channels are empty ;for these channels OCDB value will be written back WARNING
	237	// -2 low statistics in few channels; for these channels OCDB value will be written back WARNING
	238	// for cfd
	239	// 200 >3 histos are empty
	240	// -11 if less 3 channels are empty ;for these channels OCDB value will be written back WARNING
	241	// -22 low statistics in few channels; for these channels OCDB value will be written back WARNING
	242	//
dd92f5b8	243	// compute offline equalized time
1e7108ce	244	Float_t meandiff, sigmadiff, meanver, meancfdtime, sigmacfdtime;
c4ba15c3	245	meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0;
1e7108ce	246	Int_t nent=0;
32d3e409	247	Int_t ok = 0;
	248	Int_t okdiff=0;
	249	Int_t okcfd=0;
bb54f817	250	TH1F *cfddiff = NULL;
bb54f817	251	TH1F *cfdtime = NULL;
dd92f5b8	252	TObjArray * TzeroObj = NULL;
bb54f817	253
c4ba15c3	254	gFile = TFile::Open(filePhys);
1e7108ce	255	if(!gFile) {
1e7108ce	256	AliError("No input PHYS data found ");
32d3e409	257	ok = 1000;
612737bb	258	return ok;
1e7108ce	259	}
	260	else
	261	{
e691fec9	262	meandiff = sigmadiff = meanver = meancfdtime = sigmacfdtime =0;
612737bb	263	TDirectory dr = (TDirectory) gFile->Get("T0Calib");
dd92f5b8	264	if (dr) TzeroObj = (TObjArray*) dr->Get("T0Calib");
612737bb	265	for (Int_t i=0; i<24; i++)
1e7108ce	266	{
b5e0299c	267	if (i != badpmt) {
bb54f817	268	if(TzeroObj) {
bb54f817	269	cfddiff = (TH1F*)TzeroObj->FindObject(Form("CFD1minCFD%d",i+1));
18086258	270	cfdtime = (TH1F*)TzeroObj->FindObject(Form("CFD%d",i+1));
bb54f817	271	}
	272	else
	273	{
dd92f5b8	274	cfddiff = (TH1F*)gFile->Get(Form("CFD1minCFD%d",i+1));
18086258	275	cfdtime = (TH1F*)gFile->Get(Form("CFD%d",i+1));
18086258	276
bb54f817	277	}
18086258	278	if(!cfddiff ) {
32d3e409	279	AliWarning(Form("no histograms collected by pass0 for diff channel %i", i));
	280	okdiff++;
	281	if(okdiff<4) {
	282	meandiff = timecdb[i];
	283	sigmadiff = 0;
	284	ok = -1;
	285	}
	286	else
	287	return 100+okdiff;
dd92f5b8	288	}
dd92f5b8	289	if(cfddiff) {
18086258	290	nent = Int_t(cfddiff->GetEntries());
32d3e409	291	if ( nent == 0) {
	292	okdiff++;
	293	if(okdiff<4) {
	294	meandiff = timecdb[i];
	295	sigmadiff = 0;
	296	ok = - 1;
	297	}
	298	else
	299	return 100;
	300	}
	301	if(nent<100 && nent>0) { //!!!!!
	302	AliWarning(Form(" Not enouph data in PMT %i- PMT1: %i ", i, nent));
	303	ok=-2;
	304	meandiff = timecdb[i];
	305	sigmadiff = 0;
f824d160	306	}
32d3e409	307	if(nent>100 ) { //!!!!!
e691fec9	308	{
32d3e409	309	if(cfddiff->GetRMS()>1.5 )
	310	GetMeanAndSigma(cfddiff, meandiff, sigmadiff);
	311	if(cfddiff->GetRMS()<=1.5)
	312	{
	313	meandiff = cfddiff->GetMean();
	314	sigmadiff = cfddiff->GetRMS();
	315	}
	316	Int_t maxBin = cfddiff->GetMaximumBin();
	317	Double_t meanEstimate = cfddiff->GetBinCenter( maxBin);
	318	if(TMath::Abs(meanEstimate - meandiff) > 20 ) meandiff = meanEstimate;
18086258	319	}
32d3e409	320	}
32d3e409	321	}
18086258	322	if(!cfdtime ) {
18086258	323	AliWarning(Form("no histograms collected by pass0 for time channel %i", i));
db082d76	324	meancfdtime = cfdvalue[i];
32d3e409	325	okcfd++;
	326	if(okcfd<4) {
	327	meancfdtime = cfdvalue[i];
	328	ok = -11;
	329	}
	330	else {
	331	AliError(Form("no histograms collected by pass0 for time %i channels ", okcfd));
	332	return 200;
	333	}
18086258	334	}
	335	if(cfdtime) {
	336	nent = Int_t(cfdtime->GetEntries());
32d3e409	337	if (nent == 0 \|\|
	338	(cfdtime->GetRMS() == 0 \|\| cfdtime->GetMean() ==0 ) )
	339	{
	340	okcfd++;
	341	if(okcfd<4) {
	342	meancfdtime = cfdvalue[i];
	343	ok = -11;
	344	printf("!!!!bad data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n",
	345	i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]);
	346	}
	347	else
	348	{
	349	printf("!!!!fatal data:: pmt %i nent%i RMS %f mean %f cdbtime %f \n",
	350	i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]);
	351	AliError(Form(" histograms collected by pass0 for time %i channels are empty", okcfd));
	352	return 200;
	353	}
	354	}
	355
	356
	357	if(nent<100 && nent>0 )
	358	{
	359	AliWarning(Form(" Not enouph data in PMT in CFD peak %i - %i ", i, nent));
	360	if(okcfd<4) {
	361	meancfdtime = cfdvalue[i];
	362	ok = -22;
	363	printf("!!!!low statstics:: pmt %i nent%i RMS %f mean %f cdbtime %f \n",
	364	i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]);
	365	}
	366	else {
	367	printf("!!!!low fatal statstics:: pmt %i nent%i RMS %f mean %f cdbtime %f \n",
	368	i, nent, cfdtime->GetRMS(), cfdtime->GetMean(), fCFDvalue[i][0]);
	369
	370	AliError(Form(" Not enouph data in PMT in CFD peak %i in channels ", okcfd));
	371	return 200;
	372	}
	373
	374	}
	375
	376	if( nent>100 && cfdtime->GetRMS() != 0 ) { //!!!!!
18086258	377	if(cfdtime->GetRMS()>1.5 )
	378	GetMeanAndSigma(cfdtime,meancfdtime, sigmacfdtime);
	379	if(cfdtime->GetRMS()<=1.5)
	380	{
	381	meancfdtime = cfdtime->GetMean();
	382	sigmacfdtime=cfdtime->GetRMS();
32d3e409	383	}
657abde7	384	Int_t maxBin = cfdtime->GetMaximumBin();
	385	Double_t meanEstimate = cfdtime->GetBinCenter( maxBin);
	386	if(TMath::Abs(meanEstimate - meancfdtime) > 20 ) meancfdtime = meanEstimate;
1e7108ce	387	}
eef60a6a	388	}
bb54f817	389
b9dd81a7	390	SetTimeEq(i,meandiff);
1e7108ce	391	SetTimeEqRms(i,sigmadiff);
18086258	392	SetCFDvalue(i,0, meancfdtime );
32d3e409	393	printf(" pmt %i diff %f sigma %f meancfdtime %f cdbtime %f \n",i, meandiff, sigmadiff, meancfdtime, fCFDvalue[i][0]);
bb54f817	394	if (cfddiff) cfddiff->Reset();
bb54f817	395	if (cfdtime) cfdtime->Reset();
b5e0299c	396	} //bad pmt
6318dd46	397	}
6318dd46	398
	399	gFile->Close();
	400	delete gFile;
02888358	401
6318dd46	402	}
02888358	403	return ok;
e691fec9	404	}
a2ad8166	405
1e7108ce	406	//________________________________________________________________________
1e7108ce	407	void AliT0CalibTimeEq::GetMeanAndSigma(TH1F* hist, Float_t &mean, Float_t &sigma) {
612737bb	408
	409	const double window = 2.; //fit window
	410
1e7108ce	411	double meanEstimate, sigmaEstimate;
	412	int maxBin;
	413	maxBin = hist->GetMaximumBin(); //position of maximum
	414	meanEstimate = hist->GetBinCenter( maxBin); // mean of gaussian sitting in maximum
18086258	415	// sigmaEstimate = hist->GetRMS();
18086258	416	sigmaEstimate = 10;
1e7108ce	417	TF1* fit= new TF1("fit","gaus", meanEstimate - windowsigmaEstimate, meanEstimate + windowsigmaEstimate);
1e7108ce	418	fit->SetParameters(hist->GetBinContent(maxBin), meanEstimate, sigmaEstimate);
b5e0299c	419	hist->Fit("fit","RQ","Q");
1e7108ce	420
	421	mean = (Float_t) fit->GetParameter(1);
	422	sigma = (Float_t) fit->GetParameter(2);
	423
	424	delete fit;
	425	}
	426
8bfd9a3e	427