SDD DA updated: baseline equalized to 20 for each hybrid. Added Carlos thresholds...
[u/mrichter/AliRoot.git] / ITS / AliITSOnlineSDDBase.cxx
1 /**************************************************************************
2  * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
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4  * Author: The ALICE Off-line Project.                                    *
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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 }