Changes related to the extraction of the V0 finder into a separate class (A. Dainese...
[u/mrichter/AliRoot.git] / ITS / AliITSOnlineSDDBase.cxx
CommitLineData
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
30const Int_t AliITSOnlineSDDBase::fgkMaxCorr=63; // 6 but correction
348f80b7 31
32ClassImp(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();
44 SetZeroSuppThresholds();
348f80b7 45}
46//______________________________________________________________________
e7610d19 47AliITSOnlineSDDBase::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();
57 SetZeroSuppThresholds();
348f80b7 58}
59//______________________________________________________________________
60AliITSOnlineSDDBase::~AliITSOnlineSDDBase(){
61 // Destructor
62}
63//______________________________________________________________________
64void AliITSOnlineSDDBase::Reset(){
beb262b4 65 //
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//______________________________________________________________________
75void AliITSOnlineSDDBase::ValidateAnodes(){
beb262b4 76 //
348f80b7 77 for(Int_t ian=0;ian<fgkNAnodes;ian++){
78 fGoodAnode[ian]=1;
79 if(GetAnodeBaseline(ian)>fMaxBaseline || GetAnodeBaseline(ian)<fMinBaseline) fGoodAnode[ian]=0;
f2c71038 80 else if(GetAnodeRawNoise(ian)>fMaxRawNoise || GetAnodeRawNoise(ian)<fMinRawNoise) fGoodAnode[ian]=0;
81 else if(GetAnodeRawNoise(ian)>fNSigmaNoise*CalcMeanRawNoise()) fGoodAnode[ian]=0;
348f80b7 82 }
83}
84
85//______________________________________________________________________
86void AliITSOnlineSDDBase::AddEvent(TH2F* hrawd){
87 //
88 fNEvents++;
0ddb8c41 89 const Int_t kTimeBins=fLastGoodTB+1;
348f80b7 90 Float_t sum[fgkNAnodes];
91 for(Int_t ian=0;ian<fgkNAnodes;ian++){
92 Float_t sumQ=0.;
93 sum[ian]=0.;
8db9741f 94 Int_t cnt=0;
750296dd 95 for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
a8cd2ab2 96 Float_t cbin=hrawd->GetBinContent(itb+1,ian+1);
97 sum[ian]+=cbin;
98 sumQ+=cbin*cbin;
8db9741f 99 cnt++;
348f80b7 100 }
8db9741f 101 sum[ian]/=(Float_t)cnt;
102 sumQ/=(Float_t)cnt;
348f80b7 103 fSumBaseline[ian]+=sum[ian];
104 fSumRawNoise[ian]+=sumQ;
348f80b7 105 }
f2c71038 106 if(fNEvents==1) ValidateAnodes();
348f80b7 107
4ff6aa93 108 Float_t *cmnEven = new Float_t[kTimeBins];
109 Float_t *cmnOdd = new Float_t[kTimeBins];
750296dd 110 for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
348f80b7 111 Float_t sumEven=0., sumOdd=0.;
112 Int_t countEven=0,countOdd=0;
113 for(Int_t ian=0;ian<fgkNAnodes;ian+=2){
114 if(!fGoodAnode[ian]) continue;
115 sumEven+=hrawd->GetBinContent(itb+1,ian+1)-sum[ian];
116 countEven++;
117 }
118 for(Int_t ian=1;ian<fgkNAnodes;ian+=2){
119 if(!fGoodAnode[ian]) continue;
120 sumOdd+=hrawd->GetBinContent(itb+1,ian+1)-sum[ian];
121 countOdd++;
122 }
750296dd 123 if(countEven>0) cmnEven[itb]=sumEven/countEven;
124 if(countOdd>0) cmnOdd[itb]=sumOdd/countOdd;
348f80b7 125 }
126 for(Int_t ian=0;ian<fgkNAnodes;ian++){
127 Float_t num=0.,den=0.;
128 if(!fGoodAnode[ian]) continue;
750296dd 129 for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
348f80b7 130 Float_t cmnCoef=cmnOdd[itb];
131 if(ian%2==0) cmnCoef=cmnEven[itb];
132 num+=(hrawd->GetBinContent(itb+1,ian+1)-sum[ian])*cmnCoef;
a8cd2ab2 133 den+=cmnCoef*cmnCoef;
348f80b7 134 }
135 if(den!=0) fSumCMN[ian]+=num/den;
136 }
137
138 delete [] cmnEven;
139 delete [] cmnOdd;
140}
141//______________________________________________________________________
e7610d19 142void AliITSOnlineSDDBase::GetMinAndMaxBaseline(Float_t &basMin, Float_t &basMax) const {
143 // fills mininum and maximum baseline values
144 basMin=1008.;
145 basMax=0.;
146 for(Int_t ian=0;ian<fgkNAnodes;ian++){
147 if(!fGoodAnode[ian]) continue;
148 Float_t bas=GetAnodeBaseline(ian);
149 if(bas>0 && bas < basMin) basMin=bas;
150 if(bas>0 && bas > basMax) basMax=bas;
151 }
152}
153//______________________________________________________________________
d8303ac8 154Float_t AliITSOnlineSDDBase::GetMinimumBaseline() const {
3f8beb0b 155 // returns anode with minum baseline value in hybrid
d8303ac8 156 Float_t basMin=1008.;
157 for(Int_t ian=0;ian<fgkNAnodes;ian++){
3f8beb0b 158 if(!fGoodAnode[ian]) continue;
d8303ac8 159 Float_t bas=GetAnodeBaseline(ian);
160 if(bas>0 && bas < basMin) basMin=bas;
161 }
162 return basMin;
163}
164//______________________________________________________________________
beb262b4 165Float_t AliITSOnlineSDDBase::CalcMeanRawNoise() const{
348f80b7 166 //
167 Float_t meanns=0.;
168 Int_t cnt=0;
169 for(Int_t ian=0;ian<fgkNAnodes;ian++){
170 if(!fGoodAnode[ian]) continue;
171 meanns+=GetAnodeRawNoise(ian);
172 cnt++;
173 }
174 if(cnt>0) meanns/=(Float_t)cnt;
175 return meanns;
176}
177//______________________________________________________________________
e44f571c 178void AliITSOnlineSDDBase::WriteToASCII(){
348f80b7 179 //
180 Char_t outfilnam[100];
e7610d19 181 Float_t basMin,basMax;
182 GetMinAndMaxBaseline(basMin,basMax);
183 Float_t finalVal=basMin;
184 if(basMin>fGoldenBaseline && basMax<fGoldenBaseline+fgkMaxCorr) finalVal=fGoldenBaseline;
185 if(basMax<basMin+fgkMaxCorr && basMax>fGoldenBaseline+fgkMaxCorr) finalVal=basMax-fgkMaxCorr;
116c6c50 186
e7610d19 187 Float_t avNoise=CalcMeanRawNoise();
188 Int_t thrL=(Int_t)(finalVal+fLowThrFact*avNoise+0.5);
189 Int_t thrH=(Int_t)(finalVal+fHighThrFact*avNoise+0.5);
116c6c50 190 if(CountGoodAnodes()==0) thrH=255;
e7610d19 191
979b5a5f 192 sprintf(outfilnam,"SDDbase_step1_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
348f80b7 193 FILE* outf=fopen(outfilnam,"w");
e7610d19 194 fprintf(outf,"%d\n",thrH);
195 fprintf(outf,"%d\n",thrL);
348f80b7 196 Float_t corrnoise=2.;
197 for(Int_t ian=0;ian<fgkNAnodes;ian++){
d8303ac8 198 Float_t bas=GetAnodeBaseline(ian);
e7610d19 199 Int_t corr=(Int_t)(bas-finalVal+0.5);
200 if(corr>fgkMaxCorr) corr=fgkMaxCorr; // only 6 bits in jtag for correction
3f8beb0b 201 if(corr<0) corr=0; // avoid negative numbers
e7610d19 202 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 203 }
204 fclose(outf);
205}