[u/mrichter/AliRoot.git] / ITS / AliITSOnlineSDDCMN.cxx

/**************************************************************************
 * Copyright(c) 2007-2009, 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.                  *
 **************************************************************************/
#include "AliITSOnlineSDDCMN.h"
#include "AliLog.h"
#include <TH2F.h>
#include <TMath.h>


///////////////////////////////////////////////////////////////////
//                                                               //
// Implementation of the class used for analysis of SDD noise    //
// corrected for common mode                                     //
// Origin: F.Prino, Torino, prino@to.infn.it                     //
//                                                               //
///////////////////////////////////////////////////////////////////


ClassImp(AliITSOnlineSDDCMN)
//______________________________________________________________________
  AliITSOnlineSDDCMN::AliITSOnlineSDDCMN():AliITSOnlineSDD(),fNEvents(0),fMinCorrNoise(0.),fMaxCorrNoise(0.),fNSigmaNoise(0.)
{
  // default constructor
  Reset();
  SetMinNoise();
  SetMaxNoise();
  SetNSigmaNoise();
}
//______________________________________________________________________
  AliITSOnlineSDDCMN::AliITSOnlineSDDCMN(Int_t mod, Int_t sid):AliITSOnlineSDD(mod,sid),fNEvents(0),fMinCorrNoise(0.),fMaxCorrNoise(0.),fNSigmaNoise(0.)
{
  // default constructor
  Reset();
  SetMinNoise();
  SetMaxNoise();
  SetNSigmaNoise();
}
//______________________________________________________________________
AliITSOnlineSDDCMN::~AliITSOnlineSDDCMN(){
  // Destructor
}
//______________________________________________________________________
void AliITSOnlineSDDCMN::Reset(){
  //
  fNEvents=0;
  for(Int_t i=0;i<fgkNAnodes;i++){
    fGoodAnode[i]=1;
    fBaseline[i]=0.;
    fCMN[i]=0.;
    fSumCorrNoise[i]=0.;
  }
  ReadBaselines();
}
//______________________________________________________________________
void AliITSOnlineSDDCMN::ReadBaselines(){
  // assume baselines and good anodes are taken from previous run
  Char_t basfilnam[100];
  sprintf(basfilnam,"SDDbase_step1_mod%03d_sid%d.data",fModuleId,fSide);
  FILE* basf=fopen(basfilnam,"r");
  if(basf==0){
    AliWarning("Baselinefile not present, Set all baselines to 50\n");
    for(Int_t ian=0;ian<fgkNAnodes;ian++){ 
      fBaseline[ian]=50.;
      fGoodAnode[ian]=1;
    }
    return;
  }
  Int_t n,ok;
  Float_t base,rms,cmn,corrnoi;
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    fscanf(basf,"%d %d %f %f %f %f\n",&n,&ok,&base,&rms,&cmn,&corrnoi);
    fGoodAnode[ian]=ok;
    fBaseline[ian]=base;
    fRawNoise[ian]=rms;
    fCMN[ian]=cmn;
  }
  fclose(basf);
}
//______________________________________________________________________
void  AliITSOnlineSDDCMN::ValidateAnodes(){
  //
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    if(!fGoodAnode[ian]) continue;
    if(GetAnodeCorrNoise(ian)>fMaxCorrNoise || GetAnodeCorrNoise(ian)<fMinCorrNoise) fGoodAnode[ian]=0;
    if(GetAnodeCorrNoise(ian)>fNSigmaNoise*CalcMeanNoise()) fGoodAnode[ian]=0;
  }
}

//______________________________________________________________________
void AliITSOnlineSDDCMN::AddEvent(TH2F* hrawd){
  // 
  fNEvents++;
  Float_t tbmax=(Float_t)hrawd->GetNbinsX();
  TH2F* hcorrd=new TH2F("hcorrd","",hrawd->GetNbinsX(),hrawd->GetXaxis()->GetXmin(),hrawd->GetXaxis()->GetXmax(),hrawd->GetNbinsY(),hrawd->GetYaxis()->GetXmin(),hrawd->GetYaxis()->GetXmax());
  for(Int_t itb=0;itb<tbmax;itb++){
    Float_t sumEven=0., sumOdd=0.;
    Int_t countEven=0, countOdd=0;
    for(Int_t ian=0;ian<fgkNAnodes;ian+=2){
      if(!fGoodAnode[ian]) continue;
      sumEven+=hrawd->GetBinContent(itb+1,ian+1)-fBaseline[ian];
      countEven++;
    }
    for(Int_t ian=1;ian<fgkNAnodes;ian+=2){
      if(!fGoodAnode[ian]) continue;
      sumOdd+=hrawd->GetBinContent(itb+1,ian+1)-fBaseline[ian];
      countOdd++;
    }
    for(Int_t ian=0;ian<fgkNAnodes;ian++){
      if(!fGoodAnode[ian]) continue;
      Float_t meanN;
      if(ian%2==0) meanN=sumEven/(Float_t)countEven;
      else meanN=sumOdd/(Float_t)countOdd;
      Float_t cntCorr=hrawd->GetBinContent(itb+1,ian+1)-fCMN[ian]*meanN;
      hcorrd->SetBinContent(itb+1,ian+1,cntCorr);
    }
  }

  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    if(!fGoodAnode[ian]) continue;
    Float_t sumQ=0.;
     for(Int_t itb=0;itb<tbmax;itb++){
      sumQ+=TMath::Power(hcorrd->GetBinContent(itb+1,ian+1)-fBaseline[ian],2);      
    }
    fSumCorrNoise[ian]+=TMath::Sqrt(sumQ/tbmax);
  }
  delete hcorrd;
}
//______________________________________________________________________
Float_t AliITSOnlineSDDCMN::CalcMeanNoise() const{
  //
  Float_t meanns=0.;
  Int_t cnt=0;
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    if(!fGoodAnode[ian]) continue;  
    meanns+=GetAnodeCorrNoise(ian);
    cnt++;
  }
  if(cnt>0) meanns/=(Float_t)cnt;
  return meanns;
}
//______________________________________________________________________
void AliITSOnlineSDDCMN::WriteToFXS(){
  //
  Char_t outfilnam[100];
  sprintf(outfilnam,"SDDbase_step2_mod%03d_sid%d.data",fModuleId,fSide);
  FILE* outf=fopen(outfilnam,"w");
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    fprintf(outf,"%d %d %8.3f %8.3f %8.3f %8.3f\n",ian,IsAnodeGood(ian),GetAnodeBaseline(ian),GetAnodeRawNoise(ian),GetAnodeCommonMode(ian),GetAnodeCorrNoise(ian));
  }
  fclose(outf);  
}
Commit	Line	Data
7f347565	1	/**************************************************************************
	2	* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15	#include "AliITSOnlineSDDCMN.h"
	16	#include "AliLog.h"
	17	#include <TH2F.h>
	18	#include <TMath.h>
	19
	20
	21	///////////////////////////////////////////////////////////////////
	22	// //
	23	// Implementation of the class used for analysis of SDD noise //
	24	// corrected for common mode //
	25	// Origin: F.Prino, Torino, prino@to.infn.it //
	26	// //
	27	///////////////////////////////////////////////////////////////////
	28
	29
	30	ClassImp(AliITSOnlineSDDCMN)
	31	//______________________________________________________________________
	32	AliITSOnlineSDDCMN::AliITSOnlineSDDCMN():AliITSOnlineSDD(),fNEvents(0),fMinCorrNoise(0.),fMaxCorrNoise(0.),fNSigmaNoise(0.)
	33	{
	34	// default constructor
	35	Reset();
	36	SetMinNoise();
	37	SetMaxNoise();
	38	SetNSigmaNoise();
	39	}
	40	//______________________________________________________________________
	41	AliITSOnlineSDDCMN::AliITSOnlineSDDCMN(Int_t mod, Int_t sid):AliITSOnlineSDD(mod,sid),fNEvents(0),fMinCorrNoise(0.),fMaxCorrNoise(0.),fNSigmaNoise(0.)
	42	{
	43	// default constructor
	44	Reset();
	45	SetMinNoise();
	46	SetMaxNoise();
	47	SetNSigmaNoise();
	48	}
	49	//______________________________________________________________________
	50	AliITSOnlineSDDCMN::~AliITSOnlineSDDCMN(){
	51	// Destructor
	52	}
	53	//______________________________________________________________________
	54	void AliITSOnlineSDDCMN::Reset(){
beb262b4	55	//
7f347565	56	fNEvents=0;
	57	for(Int_t i=0;i<fgkNAnodes;i++){
	58	fGoodAnode[i]=1;
	59	fBaseline[i]=0.;
	60	fCMN[i]=0.;
	61	fSumCorrNoise[i]=0.;
	62	}
	63	ReadBaselines();
	64	}
	65	//______________________________________________________________________
	66	void AliITSOnlineSDDCMN::ReadBaselines(){
	67	// assume baselines and good anodes are taken from previous run
	68	Char_t basfilnam[100];
	69	sprintf(basfilnam,"SDDbase_step1_mod%03d_sid%d.data",fModuleId,fSide);
	70	FILE* basf=fopen(basfilnam,"r");
	71	if(basf==0){
	72	AliWarning("Baselinefile not present, Set all baselines to 50\n");
	73	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	74	fBaseline[ian]=50.;
	75	fGoodAnode[ian]=1;
	76	}
	77	return;
	78	}
	79	Int_t n,ok;
	80	Float_t base,rms,cmn,corrnoi;
	81	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	82	fscanf(basf,"%d %d %f %f %f %f\n",&n,&ok,&base,&rms,&cmn,&corrnoi);
	83	fGoodAnode[ian]=ok;
	84	fBaseline[ian]=base;
	85	fRawNoise[ian]=rms;
	86	fCMN[ian]=cmn;
	87	}
	88	fclose(basf);
	89	}
	90	//______________________________________________________________________
	91	void AliITSOnlineSDDCMN::ValidateAnodes(){
beb262b4	92	//
7f347565	93	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	94	if(!fGoodAnode[ian]) continue;
	95	if(GetAnodeCorrNoise(ian)>fMaxCorrNoise \|\| GetAnodeCorrNoise(ian)<fMinCorrNoise) fGoodAnode[ian]=0;
	96	if(GetAnodeCorrNoise(ian)>fNSigmaNoise*CalcMeanNoise()) fGoodAnode[ian]=0;
	97	}
	98	}
	99
	100	//______________________________________________________________________
	101	void AliITSOnlineSDDCMN::AddEvent(TH2F* hrawd){
	102	//
	103	fNEvents++;
	104	Float_t tbmax=(Float_t)hrawd->GetNbinsX();
	105	TH2F* hcorrd=new TH2F("hcorrd","",hrawd->GetNbinsX(),hrawd->GetXaxis()->GetXmin(),hrawd->GetXaxis()->GetXmax(),hrawd->GetNbinsY(),hrawd->GetYaxis()->GetXmin(),hrawd->GetYaxis()->GetXmax());
	106	for(Int_t itb=0;itb<tbmax;itb++){
	107	Float_t sumEven=0., sumOdd=0.;
	108	Int_t countEven=0, countOdd=0;
	109	for(Int_t ian=0;ian<fgkNAnodes;ian+=2){
	110	if(!fGoodAnode[ian]) continue;
	111	sumEven+=hrawd->GetBinContent(itb+1,ian+1)-fBaseline[ian];
	112	countEven++;
	113	}
	114	for(Int_t ian=1;ian<fgkNAnodes;ian+=2){
	115	if(!fGoodAnode[ian]) continue;
	116	sumOdd+=hrawd->GetBinContent(itb+1,ian+1)-fBaseline[ian];
	117	countOdd++;
	118	}
	119	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	120	if(!fGoodAnode[ian]) continue;
	121	Float_t meanN;
	122	if(ian%2==0) meanN=sumEven/(Float_t)countEven;
	123	else meanN=sumOdd/(Float_t)countOdd;
	124	Float_t cntCorr=hrawd->GetBinContent(itb+1,ian+1)-fCMN[ian]*meanN;
	125	hcorrd->SetBinContent(itb+1,ian+1,cntCorr);
	126	}
	127	}
	128
	129	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	130	if(!fGoodAnode[ian]) continue;
	131	Float_t sumQ=0.;
	132	for(Int_t itb=0;itb<tbmax;itb++){
	133	sumQ+=TMath::Power(hcorrd->GetBinContent(itb+1,ian+1)-fBaseline[ian],2);
	134	}
	135	fSumCorrNoise[ian]+=TMath::Sqrt(sumQ/tbmax);
	136	}
	137	delete hcorrd;
	138	}
	139	//______________________________________________________________________
beb262b4	140	Float_t AliITSOnlineSDDCMN::CalcMeanNoise() const{
7f347565	141	//
	142	Float_t meanns=0.;
	143	Int_t cnt=0;
	144	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	145	if(!fGoodAnode[ian]) continue;
	146	meanns+=GetAnodeCorrNoise(ian);
	147	cnt++;
	148	}
	149	if(cnt>0) meanns/=(Float_t)cnt;
	150	return meanns;
	151	}
	152	//______________________________________________________________________
	153	void AliITSOnlineSDDCMN::WriteToFXS(){
	154	//
	155	Char_t outfilnam[100];
	156	sprintf(outfilnam,"SDDbase_step2_mod%03d_sid%d.data",fModuleId,fSide);
	157	FILE* outf=fopen(outfilnam,"w");
	158	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	159	fprintf(outf,"%d %d %8.3f %8.3f %8.3f %8.3f\n",ian,IsAnodeGood(ian),GetAnodeBaseline(ian),GetAnodeRawNoise(ian),GetAnodeCommonMode(ian),GetAnodeCorrNoise(ian));
	160	}
	161	fclose(outf);
	162	}