[u/mrichter/AliRoot.git] / ITS / AliITSOnlineSDDBase.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 "AliITSOnlineSDDBase.h"
#include <TH2F.h>
#include <TMath.h>


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

/*  $Id$   */

const Int_t AliITSOnlineSDDBase::fgkMaxCorr=63; // 6 but correction

ClassImp(AliITSOnlineSDDBase)
//______________________________________________________________________
  AliITSOnlineSDDBase::AliITSOnlineSDDBase():AliITSOnlineSDD(),fNEvents(0),fMinBaseline(0.),fMaxBaseline(0.),fMinRawNoise(0.),fMaxRawNoise(0.),fNSigmaNoise(0.),fGoldenBaseline(0.),fLowThrFact(0.),fHighThrFact(0.)
{
  // default constructor
  Reset();
  SetMinBaseline();
  SetMaxBaseline();
  SetMinRawNoise();
  SetMaxRawNoise();
  SetNSigmaNoise();
  SetGoldenBaselineValue();
  SetZeroSuppThresholds();
}
//______________________________________________________________________
AliITSOnlineSDDBase::AliITSOnlineSDDBase(Int_t nddl, Int_t ncarlos, Int_t sid):AliITSOnlineSDD(nddl,ncarlos,sid),fNEvents(0),fMinBaseline(0.),fMaxBaseline(0.),fMinRawNoise(0.),fMaxRawNoise(0.),fNSigmaNoise(0.),fGoldenBaseline(0.),fLowThrFact(0.),fHighThrFact(0.)
{
  // default constructor
  Reset();
  SetMinBaseline();
  SetMaxBaseline();
  SetMinRawNoise();
  SetMaxRawNoise();
  SetNSigmaNoise();
  SetGoldenBaselineValue();
  SetZeroSuppThresholds();
}
//______________________________________________________________________
AliITSOnlineSDDBase::~AliITSOnlineSDDBase(){
  // Destructor
}
//______________________________________________________________________
void AliITSOnlineSDDBase::Reset(){
  //
  fNEvents=0;
  for(Int_t i=0;i<fgkNAnodes;i++){
    fGoodAnode[i]=1;
    fSumBaseline[i]=0.;
    fSumRawNoise[i]=0.;
    fSumCMN[i]=0.;
  }
}
//______________________________________________________________________
void  AliITSOnlineSDDBase::ValidateAnodes(){
  //
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    fGoodAnode[ian]=1;
    if(GetAnodeBaseline(ian)>fMaxBaseline || GetAnodeBaseline(ian)<fMinBaseline) fGoodAnode[ian]=0;
    else if(GetAnodeRawNoise(ian)>fMaxRawNoise || GetAnodeRawNoise(ian)<fMinRawNoise) fGoodAnode[ian]=0;
    else if(GetAnodeRawNoise(ian)>fNSigmaNoise*CalcMeanRawNoise()) fGoodAnode[ian]=0;
  }
}

//______________________________________________________________________
void AliITSOnlineSDDBase::AddEvent(TH2F* hrawd){
  // 
  fNEvents++;
  const Int_t kTimeBins=fLastGoodTB-fFirstGoodTB+1;
  Float_t sum[fgkNAnodes];
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    Float_t sumQ=0.;
    sum[ian]=0.;
    for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
      sum[ian]+=hrawd->GetBinContent(itb+1,ian+1);
      sumQ+=TMath::Power(hrawd->GetBinContent(itb+1,ian+1),2);      
    }
    sum[ian]/=(Float_t)kTimeBins;
    sumQ/=(Float_t)kTimeBins;
    fSumBaseline[ian]+=sum[ian];
    fSumRawNoise[ian]+=sumQ;
  }

  if(fNEvents==1) ValidateAnodes();

  Float_t *cmnEven = new Float_t[kTimeBins];
  Float_t *cmnOdd  = new Float_t[kTimeBins];
  for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;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)-sum[ian];
      countEven++;
    }
    for(Int_t ian=1;ian<fgkNAnodes;ian+=2){
      if(!fGoodAnode[ian]) continue;
      sumOdd+=hrawd->GetBinContent(itb+1,ian+1)-sum[ian];
      countOdd++;
    }
    if(countEven>0) cmnEven[itb]=sumEven/countEven;
    if(countOdd>0) cmnOdd[itb]=sumOdd/countOdd;
  }
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    Float_t num=0.,den=0.;
    if(!fGoodAnode[ian]) continue;
    for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
      Float_t cmnCoef=cmnOdd[itb];
      if(ian%2==0) cmnCoef=cmnEven[itb];
      num+=(hrawd->GetBinContent(itb+1,ian+1)-sum[ian])*cmnCoef;
      den+=TMath::Power(cmnCoef,2);
    }
    if(den!=0) fSumCMN[ian]+=num/den;
  }

  delete [] cmnEven;
  delete [] cmnOdd;
}
//______________________________________________________________________
void AliITSOnlineSDDBase::GetMinAndMaxBaseline(Float_t &basMin, Float_t &basMax) const {
  // fills mininum and maximum baseline values
  basMin=1008.;
  basMax=0.;
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    if(!fGoodAnode[ian]) continue;
    Float_t bas=GetAnodeBaseline(ian);
    if(bas>0 && bas < basMin) basMin=bas;
    if(bas>0 && bas > basMax) basMax=bas;
  }
}
//______________________________________________________________________
Float_t AliITSOnlineSDDBase::GetMinimumBaseline() const {
  // returns anode with minum baseline value in hybrid
  Float_t basMin=1008.;
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    if(!fGoodAnode[ian]) continue;
    Float_t bas=GetAnodeBaseline(ian);
    if(bas>0 && bas < basMin) basMin=bas;
  }
  return basMin;
}
//______________________________________________________________________
Float_t AliITSOnlineSDDBase::CalcMeanRawNoise() const{
  //
  Float_t meanns=0.;
  Int_t cnt=0;
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    if(!fGoodAnode[ian]) continue;  
    meanns+=GetAnodeRawNoise(ian);
    cnt++;
  }
  if(cnt>0) meanns/=(Float_t)cnt;
  return meanns;
}
//______________________________________________________________________
void AliITSOnlineSDDBase::WriteToASCII(){
  //
  Char_t outfilnam[100];
  Float_t basMin,basMax;
  GetMinAndMaxBaseline(basMin,basMax);
  Float_t finalVal=basMin;
  if(basMin>fGoldenBaseline && basMax<fGoldenBaseline+fgkMaxCorr) finalVal=fGoldenBaseline;
  if(basMax<basMin+fgkMaxCorr && basMax>fGoldenBaseline+fgkMaxCorr) finalVal=basMax-fgkMaxCorr;
  
  Float_t avNoise=CalcMeanRawNoise();
  Int_t thrL=(Int_t)(finalVal+fLowThrFact*avNoise+0.5);
  Int_t thrH=(Int_t)(finalVal+fHighThrFact*avNoise+0.5);

  sprintf(outfilnam,"SDDbase_step1_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
  FILE* outf=fopen(outfilnam,"w");
  fprintf(outf,"%d\n",thrH);
  fprintf(outf,"%d\n",thrL);
  Float_t corrnoise=2.;
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    Float_t bas=GetAnodeBaseline(ian);
    Int_t corr=(Int_t)(bas-finalVal+0.5);
    if(corr>fgkMaxCorr) corr=fgkMaxCorr; // only 6 bits in jtag for correction
    if(corr<0) corr=0; // avoid negative numbers
    fprintf(outf,"%d %d %11.6f %d %d %11.6f %11.6f %11.6f\n",ian,IsAnodeGood(ian),GetAnodeBaseline(ian),(Int_t)finalVal,corr,GetAnodeRawNoise(ian),GetAnodeCommonMode(ian),corrnoise);
  }
  fclose(outf);  
}
Commit	Line	Data
	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 "AliITSOnlineSDDBase.h"
	16	#include <TH2F.h>
	17	#include <TMath.h>
	18
	19
	20	///////////////////////////////////////////////////////////////////
	21	// //
	22	// Implementation of the class used for SDD baselines //
	23	// and noise analysis //
	24	// Origin: F.Prino, Torino, prino@to.infn.it //
	25	// //
	26	///////////////////////////////////////////////////////////////////
	27
	28	/* $Id$ */
	29
	30	const Int_t AliITSOnlineSDDBase::fgkMaxCorr=63; // 6 but correction
	31
	32	ClassImp(AliITSOnlineSDDBase)
	33	//______________________________________________________________________
	34	AliITSOnlineSDDBase::AliITSOnlineSDDBase():AliITSOnlineSDD(),fNEvents(0),fMinBaseline(0.),fMaxBaseline(0.),fMinRawNoise(0.),fMaxRawNoise(0.),fNSigmaNoise(0.),fGoldenBaseline(0.),fLowThrFact(0.),fHighThrFact(0.)
	35	{
	36	// default constructor
	37	Reset();
	38	SetMinBaseline();
	39	SetMaxBaseline();
	40	SetMinRawNoise();
	41	SetMaxRawNoise();
	42	SetNSigmaNoise();
	43	SetGoldenBaselineValue();
	44	SetZeroSuppThresholds();
	45	}
	46	//______________________________________________________________________
	47	AliITSOnlineSDDBase::AliITSOnlineSDDBase(Int_t nddl, Int_t ncarlos, Int_t sid):AliITSOnlineSDD(nddl,ncarlos,sid),fNEvents(0),fMinBaseline(0.),fMaxBaseline(0.),fMinRawNoise(0.),fMaxRawNoise(0.),fNSigmaNoise(0.),fGoldenBaseline(0.),fLowThrFact(0.),fHighThrFact(0.)
	48	{
	49	// default constructor
	50	Reset();
	51	SetMinBaseline();
	52	SetMaxBaseline();
	53	SetMinRawNoise();
	54	SetMaxRawNoise();
	55	SetNSigmaNoise();
	56	SetGoldenBaselineValue();
	57	SetZeroSuppThresholds();
	58	}
	59	//______________________________________________________________________
	60	AliITSOnlineSDDBase::~AliITSOnlineSDDBase(){
	61	// Destructor
	62	}
	63	//______________________________________________________________________
	64	void AliITSOnlineSDDBase::Reset(){
	65	//
	66	fNEvents=0;
	67	for(Int_t i=0;i<fgkNAnodes;i++){
	68	fGoodAnode[i]=1;
	69	fSumBaseline[i]=0.;
	70	fSumRawNoise[i]=0.;
	71	fSumCMN[i]=0.;
	72	}
	73	}
	74	//______________________________________________________________________
	75	void AliITSOnlineSDDBase::ValidateAnodes(){
	76	//
	77	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	78	fGoodAnode[ian]=1;
	79	if(GetAnodeBaseline(ian)>fMaxBaseline \|\| GetAnodeBaseline(ian)<fMinBaseline) fGoodAnode[ian]=0;
	80	else if(GetAnodeRawNoise(ian)>fMaxRawNoise \|\| GetAnodeRawNoise(ian)<fMinRawNoise) fGoodAnode[ian]=0;
	81	else if(GetAnodeRawNoise(ian)>fNSigmaNoise*CalcMeanRawNoise()) fGoodAnode[ian]=0;
	82	}
	83	}
	84
	85	//______________________________________________________________________
	86	void AliITSOnlineSDDBase::AddEvent(TH2F* hrawd){
	87	//
	88	fNEvents++;
	89	const Int_t kTimeBins=fLastGoodTB-fFirstGoodTB+1;
	90	Float_t sum[fgkNAnodes];
	91	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	92	Float_t sumQ=0.;
	93	sum[ian]=0.;
	94	for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
	95	sum[ian]+=hrawd->GetBinContent(itb+1,ian+1);
	96	sumQ+=TMath::Power(hrawd->GetBinContent(itb+1,ian+1),2);
	97	}
	98	sum[ian]/=(Float_t)kTimeBins;
	99	sumQ/=(Float_t)kTimeBins;
	100	fSumBaseline[ian]+=sum[ian];
	101	fSumRawNoise[ian]+=sumQ;
	102	}
	103
	104	if(fNEvents==1) ValidateAnodes();
	105
	106	Float_t *cmnEven = new Float_t[kTimeBins];
	107	Float_t *cmnOdd = new Float_t[kTimeBins];
	108	for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
	109	Float_t sumEven=0., sumOdd=0.;
	110	Int_t countEven=0,countOdd=0;
	111	for(Int_t ian=0;ian<fgkNAnodes;ian+=2){
	112	if(!fGoodAnode[ian]) continue;
	113	sumEven+=hrawd->GetBinContent(itb+1,ian+1)-sum[ian];
	114	countEven++;
	115	}
	116	for(Int_t ian=1;ian<fgkNAnodes;ian+=2){
	117	if(!fGoodAnode[ian]) continue;
	118	sumOdd+=hrawd->GetBinContent(itb+1,ian+1)-sum[ian];
	119	countOdd++;
	120	}
	121	if(countEven>0) cmnEven[itb]=sumEven/countEven;
	122	if(countOdd>0) cmnOdd[itb]=sumOdd/countOdd;
	123	}
	124	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	125	Float_t num=0.,den=0.;
	126	if(!fGoodAnode[ian]) continue;
	127	for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
	128	Float_t cmnCoef=cmnOdd[itb];
	129	if(ian%2==0) cmnCoef=cmnEven[itb];
	130	num+=(hrawd->GetBinContent(itb+1,ian+1)-sum[ian])*cmnCoef;
	131	den+=TMath::Power(cmnCoef,2);
	132	}
	133	if(den!=0) fSumCMN[ian]+=num/den;
	134	}
	135
	136	delete [] cmnEven;
	137	delete [] cmnOdd;
	138	}
	139	//______________________________________________________________________
	140	void AliITSOnlineSDDBase::GetMinAndMaxBaseline(Float_t &basMin, Float_t &basMax) const {
	141	// fills mininum and maximum baseline values
	142	basMin=1008.;
	143	basMax=0.;
	144	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	145	if(!fGoodAnode[ian]) continue;
	146	Float_t bas=GetAnodeBaseline(ian);
	147	if(bas>0 && bas < basMin) basMin=bas;
	148	if(bas>0 && bas > basMax) basMax=bas;
	149	}
	150	}
	151	//______________________________________________________________________
	152	Float_t AliITSOnlineSDDBase::GetMinimumBaseline() const {
	153	// returns anode with minum baseline value in hybrid
	154	Float_t basMin=1008.;
	155	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	156	if(!fGoodAnode[ian]) continue;
	157	Float_t bas=GetAnodeBaseline(ian);
	158	if(bas>0 && bas < basMin) basMin=bas;
	159	}
	160	return basMin;
	161	}
	162	//______________________________________________________________________
	163	Float_t AliITSOnlineSDDBase::CalcMeanRawNoise() const{
	164	//
	165	Float_t meanns=0.;
	166	Int_t cnt=0;
	167	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	168	if(!fGoodAnode[ian]) continue;
	169	meanns+=GetAnodeRawNoise(ian);
	170	cnt++;
	171	}
	172	if(cnt>0) meanns/=(Float_t)cnt;
	173	return meanns;
	174	}
	175	//______________________________________________________________________
	176	void AliITSOnlineSDDBase::WriteToASCII(){
	177	//
	178	Char_t outfilnam[100];
	179	Float_t basMin,basMax;
	180	GetMinAndMaxBaseline(basMin,basMax);
	181	Float_t finalVal=basMin;
	182	if(basMin>fGoldenBaseline && basMax<fGoldenBaseline+fgkMaxCorr) finalVal=fGoldenBaseline;
	183	if(basMax<basMin+fgkMaxCorr && basMax>fGoldenBaseline+fgkMaxCorr) finalVal=basMax-fgkMaxCorr;
	184
	185	Float_t avNoise=CalcMeanRawNoise();
	186	Int_t thrL=(Int_t)(finalVal+fLowThrFact*avNoise+0.5);
	187	Int_t thrH=(Int_t)(finalVal+fHighThrFact*avNoise+0.5);
	188
	189	sprintf(outfilnam,"SDDbase_step1_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
	190	FILE* outf=fopen(outfilnam,"w");
	191	fprintf(outf,"%d\n",thrH);
	192	fprintf(outf,"%d\n",thrL);
	193	Float_t corrnoise=2.;
	194	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	195	Float_t bas=GetAnodeBaseline(ian);
	196	Int_t corr=(Int_t)(bas-finalVal+0.5);
	197	if(corr>fgkMaxCorr) corr=fgkMaxCorr; // only 6 bits in jtag for correction
	198	if(corr<0) corr=0; // avoid negative numbers
	199	fprintf(outf,"%d %d %11.6f %d %d %11.6f %11.6f %11.6f\n",ian,IsAnodeGood(ian),GetAnodeBaseline(ian),(Int_t)finalVal,corr,GetAnodeRawNoise(ian),GetAnodeCommonMode(ian),corrnoise);
	200	}
	201	fclose(outf);
	202	}