[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(){
  // reset all counters
  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(){
  // tag good/bad channels
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    fGoodAnode[ian]=1;
    Float_t basel=GetAnodeBaseline(ian);
    Float_t rawn=GetAnodeRawNoise(ian);
    Float_t ratio=0.;
    if(rawn>0) ratio=basel/rawn;
    if(basel>fMaxBaseline || basel<fMinBaseline) fGoodAnode[ian]=0;
    else if(rawn>fMaxRawNoise || rawn<fMinRawNoise) fGoodAnode[ian]=0;
    else if(rawn>fNSigmaNoise*CalcMeanRawNoise()) fGoodAnode[ian]=0;
    else if(ratio<3.) fGoodAnode[ian]=0;
  }
}

//______________________________________________________________________
void AliITSOnlineSDDBase::AddEvent(TH2F* hrawd){
  // analyzes one event and adds its ontribution to the various counters

  fNEvents++;
  const Int_t kTimeBins=fLastGoodTB+1;
  Float_t sum[fgkNAnodes];
  for(Int_t ian=0;ian<fgkNAnodes;ian++){
    Float_t sumQ=0.;
    sum[ian]=0.;
    Int_t cnt=0;
    for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
      Float_t cbin=hrawd->GetBinContent(itb+1,ian+1);
      sum[ian]+=cbin;
      sumQ+=cbin*cbin;
      cnt++;
    }
    if(cnt != 0){
      sum[ian]/=(Float_t)cnt;
      sumQ/=(Float_t)cnt;
    }
    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+=cmnCoef*cmnCoef;
    }
    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{
  // compute mean value of raw noise
  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(){
  // writes parameters of each channel into an ASCII file 
  // to be then read in the successive step for common mode noise
  // correction (AliITSOnlineSDDCMN)

  TString outfilnam;
  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);
  if(CountGoodAnodes()==0) thrH=255;

  outfilnam.Form("SDDbase_step1_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
  FILE* outf=fopen(outfilnam.Data(),"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
348f80b7	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
e7610d19	28	/* $Id$ */
	29
	30	const Int_t AliITSOnlineSDDBase::fgkMaxCorr=63; // 6 but correction
348f80b7	31
	32	ClassImp(AliITSOnlineSDDBase)
	33	//______________________________________________________________________
e7610d19	34	AliITSOnlineSDDBase::AliITSOnlineSDDBase():AliITSOnlineSDD(),fNEvents(0),fMinBaseline(0.),fMaxBaseline(0.),fMinRawNoise(0.),fMaxRawNoise(0.),fNSigmaNoise(0.),fGoldenBaseline(0.),fLowThrFact(0.),fHighThrFact(0.)
348f80b7	35	{
	36	// default constructor
	37	Reset();
	38	SetMinBaseline();
	39	SetMaxBaseline();
	40	SetMinRawNoise();
	41	SetMaxRawNoise();
	42	SetNSigmaNoise();
e7610d19	43	SetGoldenBaselineValue();
e7610d19	44	SetZeroSuppThresholds();
348f80b7	45	}
348f80b7	46	//______________________________________________________________________
e7610d19	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.)
348f80b7	48	{
	49	// default constructor
	50	Reset();
	51	SetMinBaseline();
	52	SetMaxBaseline();
	53	SetMinRawNoise();
	54	SetMaxRawNoise();
	55	SetNSigmaNoise();
e7610d19	56	SetGoldenBaselineValue();
e7610d19	57	SetZeroSuppThresholds();
348f80b7	58	}
	59	//______________________________________________________________________
	60	AliITSOnlineSDDBase::~AliITSOnlineSDDBase(){
	61	// Destructor
	62	}
	63	//______________________________________________________________________
	64	void AliITSOnlineSDDBase::Reset(){
776c19a3	65	// reset all counters
348f80b7	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(){
776c19a3	76	// tag good/bad channels
348f80b7	77	for(Int_t ian=0;ian<fgkNAnodes;ian++){
348f80b7	78	fGoodAnode[ian]=1;
e236b0eb	79	Float_t basel=GetAnodeBaseline(ian);
	80	Float_t rawn=GetAnodeRawNoise(ian);
	81	Float_t ratio=0.;
	82	if(rawn>0) ratio=basel/rawn;
	83	if(basel>fMaxBaseline \|\| basel<fMinBaseline) fGoodAnode[ian]=0;
	84	else if(rawn>fMaxRawNoise \|\| rawn<fMinRawNoise) fGoodAnode[ian]=0;
	85	else if(rawn>fNSigmaNoise*CalcMeanRawNoise()) fGoodAnode[ian]=0;
	86	else if(ratio<3.) fGoodAnode[ian]=0;
348f80b7	87	}
	88	}
	89
	90	//______________________________________________________________________
	91	void AliITSOnlineSDDBase::AddEvent(TH2F* hrawd){
776c19a3	92	// analyzes one event and adds its ontribution to the various counters
776c19a3	93
348f80b7	94	fNEvents++;
0ddb8c41	95	const Int_t kTimeBins=fLastGoodTB+1;
348f80b7	96	Float_t sum[fgkNAnodes];
	97	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	98	Float_t sumQ=0.;
	99	sum[ian]=0.;
8db9741f	100	Int_t cnt=0;
750296dd	101	for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
a8cd2ab2	102	Float_t cbin=hrawd->GetBinContent(itb+1,ian+1);
	103	sum[ian]+=cbin;
	104	sumQ+=cbin*cbin;
8db9741f	105	cnt++;
348f80b7	106	}
282c838b	107	if(cnt != 0){
	108	sum[ian]/=(Float_t)cnt;
	109	sumQ/=(Float_t)cnt;
	110	}
348f80b7	111	fSumBaseline[ian]+=sum[ian];
348f80b7	112	fSumRawNoise[ian]+=sumQ;
348f80b7	113	}
f2c71038	114	if(fNEvents==1) ValidateAnodes();
348f80b7	115
4ff6aa93	116	Float_t *cmnEven = new Float_t[kTimeBins];
4ff6aa93	117	Float_t *cmnOdd = new Float_t[kTimeBins];
750296dd	118	for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
348f80b7	119	Float_t sumEven=0., sumOdd=0.;
	120	Int_t countEven=0,countOdd=0;
	121	for(Int_t ian=0;ian<fgkNAnodes;ian+=2){
	122	if(!fGoodAnode[ian]) continue;
	123	sumEven+=hrawd->GetBinContent(itb+1,ian+1)-sum[ian];
	124	countEven++;
	125	}
	126	for(Int_t ian=1;ian<fgkNAnodes;ian+=2){
	127	if(!fGoodAnode[ian]) continue;
	128	sumOdd+=hrawd->GetBinContent(itb+1,ian+1)-sum[ian];
	129	countOdd++;
	130	}
750296dd	131	if(countEven>0) cmnEven[itb]=sumEven/countEven;
750296dd	132	if(countOdd>0) cmnOdd[itb]=sumOdd/countOdd;
348f80b7	133	}
	134	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	135	Float_t num=0.,den=0.;
	136	if(!fGoodAnode[ian]) continue;
750296dd	137	for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
348f80b7	138	Float_t cmnCoef=cmnOdd[itb];
	139	if(ian%2==0) cmnCoef=cmnEven[itb];
	140	num+=(hrawd->GetBinContent(itb+1,ian+1)-sum[ian])*cmnCoef;
a8cd2ab2	141	den+=cmnCoef*cmnCoef;
348f80b7	142	}
	143	if(den!=0) fSumCMN[ian]+=num/den;
	144	}
	145
	146	delete [] cmnEven;
	147	delete [] cmnOdd;
	148	}
	149	//______________________________________________________________________
e7610d19	150	void AliITSOnlineSDDBase::GetMinAndMaxBaseline(Float_t &basMin, Float_t &basMax) const {
	151	// fills mininum and maximum baseline values
	152	basMin=1008.;
	153	basMax=0.;
	154	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	155	if(!fGoodAnode[ian]) continue;
	156	Float_t bas=GetAnodeBaseline(ian);
	157	if(bas>0 && bas < basMin) basMin=bas;
	158	if(bas>0 && bas > basMax) basMax=bas;
	159	}
	160	}
	161	//______________________________________________________________________
d8303ac8	162	Float_t AliITSOnlineSDDBase::GetMinimumBaseline() const {
3f8beb0b	163	// returns anode with minum baseline value in hybrid
d8303ac8	164	Float_t basMin=1008.;
d8303ac8	165	for(Int_t ian=0;ian<fgkNAnodes;ian++){
3f8beb0b	166	if(!fGoodAnode[ian]) continue;
d8303ac8	167	Float_t bas=GetAnodeBaseline(ian);
	168	if(bas>0 && bas < basMin) basMin=bas;
	169	}
	170	return basMin;
	171	}
	172	//______________________________________________________________________
beb262b4	173	Float_t AliITSOnlineSDDBase::CalcMeanRawNoise() const{
776c19a3	174	// compute mean value of raw noise
348f80b7	175	Float_t meanns=0.;
	176	Int_t cnt=0;
	177	for(Int_t ian=0;ian<fgkNAnodes;ian++){
	178	if(!fGoodAnode[ian]) continue;
	179	meanns+=GetAnodeRawNoise(ian);
	180	cnt++;
	181	}
	182	if(cnt>0) meanns/=(Float_t)cnt;
	183	return meanns;
	184	}
	185	//______________________________________________________________________
e44f571c	186	void AliITSOnlineSDDBase::WriteToASCII(){
776c19a3	187	// writes parameters of each channel into an ASCII file
	188	// to be then read in the successive step for common mode noise
	189	// correction (AliITSOnlineSDDCMN)
	190
2c4e6a6a	191	TString outfilnam;
e7610d19	192	Float_t basMin,basMax;
	193	GetMinAndMaxBaseline(basMin,basMax);
	194	Float_t finalVal=basMin;
	195	if(basMin>fGoldenBaseline && basMax<fGoldenBaseline+fgkMaxCorr) finalVal=fGoldenBaseline;
	196	if(basMax<basMin+fgkMaxCorr && basMax>fGoldenBaseline+fgkMaxCorr) finalVal=basMax-fgkMaxCorr;
116c6c50	197
e7610d19	198	Float_t avNoise=CalcMeanRawNoise();
	199	Int_t thrL=(Int_t)(finalVal+fLowThrFact*avNoise+0.5);
	200	Int_t thrH=(Int_t)(finalVal+fHighThrFact*avNoise+0.5);
116c6c50	201	if(CountGoodAnodes()==0) thrH=255;
e7610d19	202
2c4e6a6a	203	outfilnam.Form("SDDbase_step1_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
2c4e6a6a	204	FILE* outf=fopen(outfilnam.Data(),"w");
e7610d19	205	fprintf(outf,"%d\n",thrH);
e7610d19	206	fprintf(outf,"%d\n",thrL);
348f80b7	207	Float_t corrnoise=2.;
348f80b7	208	for(Int_t ian=0;ian<fgkNAnodes;ian++){
d8303ac8	209	Float_t bas=GetAnodeBaseline(ian);
e7610d19	210	Int_t corr=(Int_t)(bas-finalVal+0.5);
e7610d19	211	if(corr>fgkMaxCorr) corr=fgkMaxCorr; // only 6 bits in jtag for correction
3f8beb0b	212	if(corr<0) corr=0; // avoid negative numbers
e7610d19	213	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);
348f80b7	214	}
	215	fclose(outf);
	216	}