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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 | **************************************************************************/ | |
e44f571c | 15 | #include <TFile.h> |
7f347565 | 16 | #include "AliITSOnlineSDDCMN.h" |
17 | #include "AliLog.h" | |
18 | #include <TH2F.h> | |
19 | #include <TMath.h> | |
20 | ||
21 | ||
22 | /////////////////////////////////////////////////////////////////// | |
23 | // // | |
24 | // Implementation of the class used for analysis of SDD noise // | |
25 | // corrected for common mode // | |
26 | // Origin: F.Prino, Torino, prino@to.infn.it // | |
27 | // // | |
28 | /////////////////////////////////////////////////////////////////// | |
29 | ||
30 | ||
31 | ClassImp(AliITSOnlineSDDCMN) | |
32 | //______________________________________________________________________ | |
e7610d19 | 33 | AliITSOnlineSDDCMN::AliITSOnlineSDDCMN():AliITSOnlineSDD(),fNEvents(0),fLowThreshold(0),fHighThreshold(0),fMinCorrNoise(0.),fMaxCorrNoise(0.),fNSigmaNoise(0.) |
7f347565 | 34 | { |
35 | // default constructor | |
36 | Reset(); | |
37 | SetMinNoise(); | |
38 | SetMaxNoise(); | |
39 | SetNSigmaNoise(); | |
40 | } | |
41 | //______________________________________________________________________ | |
e7610d19 | 42 | AliITSOnlineSDDCMN::AliITSOnlineSDDCMN(Int_t nddl, Int_t ncarlos, Int_t sid):AliITSOnlineSDD(nddl,ncarlos,sid),fNEvents(0),fLowThreshold(0),fHighThreshold(0),fMinCorrNoise(0.),fMaxCorrNoise(0.),fNSigmaNoise(0.) |
7f347565 | 43 | { |
44 | // default constructor | |
45 | Reset(); | |
46 | SetMinNoise(); | |
47 | SetMaxNoise(); | |
48 | SetNSigmaNoise(); | |
49 | } | |
50 | //______________________________________________________________________ | |
51 | AliITSOnlineSDDCMN::~AliITSOnlineSDDCMN(){ | |
52 | // Destructor | |
53 | } | |
54 | //______________________________________________________________________ | |
55 | void AliITSOnlineSDDCMN::Reset(){ | |
776c19a3 | 56 | // Reset counters |
7f347565 | 57 | fNEvents=0; |
58 | for(Int_t i=0;i<fgkNAnodes;i++){ | |
59 | fGoodAnode[i]=1; | |
60 | fBaseline[i]=0.; | |
3083967f | 61 | fRawNoise[i]=0.; |
7f347565 | 62 | fCMN[i]=0.; |
63 | fSumCorrNoise[i]=0.; | |
64 | } | |
65 | ReadBaselines(); | |
66 | } | |
67 | //______________________________________________________________________ | |
68 | void AliITSOnlineSDDCMN::ReadBaselines(){ | |
69 | // assume baselines and good anodes are taken from previous run | |
2c4e6a6a | 70 | TString basfilnam; |
71 | basfilnam.Form("SDDbase_step1_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide); | |
72 | FILE* basf=fopen(basfilnam.Data(),"r"); | |
7f347565 | 73 | if(basf==0){ |
e7610d19 | 74 | AliWarning(Form("Baseline file not present (ddl %d carlos %d side %d, Set all baselines to 50\n",fDDL,fCarlos,fSide)); |
7f347565 | 75 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
76 | fBaseline[ian]=50.; | |
d8303ac8 | 77 | fEqBaseline[ian]=50; |
78 | fOffsetBaseline[ian]=0; | |
7f347565 | 79 | fGoodAnode[ian]=1; |
80 | } | |
81 | return; | |
82 | } | |
e7610d19 | 83 | fscanf(basf,"%d\n",&fHighThreshold); |
84 | fscanf(basf,"%d\n",&fLowThreshold); | |
d8303ac8 | 85 | Int_t n,ok,eqbase,offbase; |
7f347565 | 86 | Float_t base,rms,cmn,corrnoi; |
87 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ | |
d8303ac8 | 88 | fscanf(basf,"%d %d %f %d %d %f %f %f\n",&n,&ok,&base,&eqbase,&offbase,&rms,&cmn,&corrnoi); |
7f347565 | 89 | fGoodAnode[ian]=ok; |
90 | fBaseline[ian]=base; | |
d8303ac8 | 91 | fEqBaseline[ian]=eqbase; |
92 | fOffsetBaseline[ian]=offbase; | |
7f347565 | 93 | fRawNoise[ian]=rms; |
94 | fCMN[ian]=cmn; | |
95 | } | |
96 | fclose(basf); | |
97 | } | |
98 | //______________________________________________________________________ | |
99 | void AliITSOnlineSDDCMN::ValidateAnodes(){ | |
776c19a3 | 100 | // Tag good/bad anodes |
7f347565 | 101 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
102 | if(!fGoodAnode[ian]) continue; | |
103 | if(GetAnodeCorrNoise(ian)>fMaxCorrNoise || GetAnodeCorrNoise(ian)<fMinCorrNoise) fGoodAnode[ian]=0; | |
104 | if(GetAnodeCorrNoise(ian)>fNSigmaNoise*CalcMeanNoise()) fGoodAnode[ian]=0; | |
105 | } | |
106 | } | |
107 | ||
108 | //______________________________________________________________________ | |
b255f56d | 109 | TH2F* AliITSOnlineSDDCMN::GetCleanEvent(TH2F* hrawd) const { |
776c19a3 | 110 | // Fills an histogram with counts corrected for common mode noise |
111 | ||
7f347565 | 112 | TH2F* hcorrd=new TH2F("hcorrd","",hrawd->GetNbinsX(),hrawd->GetXaxis()->GetXmin(),hrawd->GetXaxis()->GetXmax(),hrawd->GetNbinsY(),hrawd->GetYaxis()->GetXmin(),hrawd->GetYaxis()->GetXmax()); |
750296dd | 113 | for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){ |
7f347565 | 114 | Float_t sumEven=0., sumOdd=0.; |
115 | Int_t countEven=0, countOdd=0; | |
116 | for(Int_t ian=0;ian<fgkNAnodes;ian+=2){ | |
117 | if(!fGoodAnode[ian]) continue; | |
118 | sumEven+=hrawd->GetBinContent(itb+1,ian+1)-fBaseline[ian]; | |
119 | countEven++; | |
120 | } | |
121 | for(Int_t ian=1;ian<fgkNAnodes;ian+=2){ | |
122 | if(!fGoodAnode[ian]) continue; | |
123 | sumOdd+=hrawd->GetBinContent(itb+1,ian+1)-fBaseline[ian]; | |
124 | countOdd++; | |
125 | } | |
126 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ | |
127 | if(!fGoodAnode[ian]) continue; | |
128 | Float_t meanN; | |
129 | if(ian%2==0) meanN=sumEven/(Float_t)countEven; | |
130 | else meanN=sumOdd/(Float_t)countOdd; | |
131 | Float_t cntCorr=hrawd->GetBinContent(itb+1,ian+1)-fCMN[ian]*meanN; | |
132 | hcorrd->SetBinContent(itb+1,ian+1,cntCorr); | |
133 | } | |
134 | } | |
b255f56d | 135 | return hcorrd; |
136 | } | |
137 | //______________________________________________________________________ | |
138 | void AliITSOnlineSDDCMN::AddEvent(TH2F* hrawd){ | |
776c19a3 | 139 | // analyzes one event and adds its ontribution to the various counters |
140 | ||
b255f56d | 141 | fNEvents++; |
142 | TH2F* hcorrd=GetCleanEvent(hrawd); | |
7f347565 | 143 | |
144 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ | |
145 | if(!fGoodAnode[ian]) continue; | |
146 | Float_t sumQ=0.; | |
b255f56d | 147 | Int_t cnt=0; |
750296dd | 148 | for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){ |
a8cd2ab2 | 149 | Float_t cntdiff=hcorrd->GetBinContent(itb+1,ian+1)-fBaseline[ian]; |
150 | sumQ+=cntdiff*cntdiff; | |
b255f56d | 151 | cnt++; |
7f347565 | 152 | } |
b255f56d | 153 | fSumCorrNoise[ian]+=TMath::Sqrt(sumQ/(Float_t)cnt); |
7f347565 | 154 | } |
155 | delete hcorrd; | |
156 | } | |
157 | //______________________________________________________________________ | |
beb262b4 | 158 | Float_t AliITSOnlineSDDCMN::CalcMeanNoise() const{ |
776c19a3 | 159 | // compute average noise |
160 | ||
7f347565 | 161 | Float_t meanns=0.; |
162 | Int_t cnt=0; | |
163 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ | |
164 | if(!fGoodAnode[ian]) continue; | |
165 | meanns+=GetAnodeCorrNoise(ian); | |
166 | cnt++; | |
167 | } | |
168 | if(cnt>0) meanns/=(Float_t)cnt; | |
169 | return meanns; | |
170 | } | |
171 | //______________________________________________________________________ | |
e44f571c | 172 | void AliITSOnlineSDDCMN::WriteToASCII(){ |
776c19a3 | 173 | // writes parameters of each channel into an ASCII file |
174 | // to be then read by the PULSER DA (AliITSOnlineSDDTP) | |
175 | ||
2c4e6a6a | 176 | TString outfilnam; |
177 | outfilnam.Form("SDDbase_step2_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide); | |
178 | FILE* outf=fopen(outfilnam.Data(),"w"); | |
e7610d19 | 179 | fprintf(outf,"%d\n",fHighThreshold); |
180 | fprintf(outf,"%d\n",fLowThreshold); | |
7f347565 | 181 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
d8303ac8 | 182 | fprintf(outf,"%d %d %8.3f %d %d %8.3f %8.3f %8.3f\n",ian,IsAnodeGood(ian),GetAnodeBaseline(ian),GetAnodeEqualizedBaseline(ian),GetAnodeBaselineOffset(ian),GetAnodeRawNoise(ian),GetAnodeCommonMode(ian),GetAnodeCorrNoise(ian)); |
7f347565 | 183 | } |
184 | fclose(outf); | |
185 | } | |
4ff6aa93 | 186 | |
187 | //______________________________________________________________________ | |
188 | TH1F* AliITSOnlineSDDCMN::GetBaselineAnodeHisto() const { | |
776c19a3 | 189 | // produce histogram with baseline vs. anode number |
2c4e6a6a | 190 | TString hisnam; |
191 | hisnam.Form("hbase%02dc%02ds%d",fDDL,fCarlos,fSide); | |
192 | TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5); | |
4ff6aa93 | 193 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
194 | h->SetBinContent(ian+1,GetAnodeBaseline(ian)); | |
195 | } | |
196 | return h; | |
197 | } | |
198 | //______________________________________________________________________ | |
199 | TH1F* AliITSOnlineSDDCMN::GetRawNoiseAnodeHisto() const { | |
776c19a3 | 200 | // produce histogram with raw noise vs. anode number |
2c4e6a6a | 201 | TString hisnam; |
202 | hisnam.Form("hnois%02dc%02ds%d",fDDL,fCarlos,fSide); | |
203 | TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5); | |
4ff6aa93 | 204 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
205 | h->SetBinContent(ian+1,GetAnodeRawNoise(ian)); | |
206 | } | |
207 | return h; | |
208 | } | |
209 | //______________________________________________________________________ | |
210 | TH1F* AliITSOnlineSDDCMN::GetCorrNoiseAnodeHisto() const { | |
776c19a3 | 211 | // produce histogram with corrected noise vs. anode number |
2c4e6a6a | 212 | TString hisnam; |
213 | hisnam.Form("hcorn%02dc%02ds%d",fDDL,fCarlos,fSide); | |
214 | TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5); | |
4ff6aa93 | 215 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
216 | h->SetBinContent(ian+1,GetAnodeCorrNoise(ian)); | |
217 | } | |
218 | return h; | |
219 | } | |
220 | //______________________________________________________________________ | |
e5b2f7f2 | 221 | TH1F* AliITSOnlineSDDCMN::GetCMNCoefAnodeHisto() const { |
776c19a3 | 222 | // produce histogram with coefficients for common mode noise subtraction |
2c4e6a6a | 223 | TString hisnam; |
224 | hisnam.Form("hcmn%02dc%02ds%d",fDDL,fCarlos,fSide); | |
225 | TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5); | |
e5b2f7f2 | 226 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
227 | h->SetBinContent(ian+1,GetAnodeCommonMode(ian)); | |
228 | } | |
229 | return h; | |
230 | } | |
231 | //______________________________________________________________________ | |
232 | TH1F* AliITSOnlineSDDCMN::GetStatusAnodeHisto() const { | |
776c19a3 | 233 | // produce histogram with status bit of each anode |
2c4e6a6a | 234 | TString hisnam; |
235 | hisnam.Form("hgood%02dc%02ds%d",fDDL,fCarlos,fSide); | |
236 | TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5); | |
e5b2f7f2 | 237 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
238 | h->SetBinContent(ian+1,float(IsAnodeGood(ian))); | |
239 | } | |
240 | return h; | |
241 | } | |
242 | //______________________________________________________________________ | |
4ff6aa93 | 243 | TH1F* AliITSOnlineSDDCMN::GetBaselineHisto() const { |
776c19a3 | 244 | // produce histogram with baseline distribution |
2c4e6a6a | 245 | TString hisnam; |
246 | hisnam.Form("hdbd%02dc%02ds%d",fDDL,fCarlos,fSide); | |
247 | TH1F* h=new TH1F(hisnam.Data(),"",100,0.,150.); | |
4ff6aa93 | 248 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
249 | h->Fill(GetAnodeBaseline(ian)); | |
250 | } | |
251 | return h; | |
252 | } | |
253 | //______________________________________________________________________ | |
254 | TH1F* AliITSOnlineSDDCMN::GetRawNoiseHisto() const { | |
776c19a3 | 255 | // produce histogram with raw noise distribution |
2c4e6a6a | 256 | TString hisnam; |
257 | hisnam.Form("hdnd%02dc%02ds%d",fDDL,fCarlos,fSide); | |
258 | TH1F* h=new TH1F(hisnam.Data(),"",100,0.,8.); | |
4ff6aa93 | 259 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
260 | h->Fill(GetAnodeRawNoise(ian)); | |
261 | } | |
262 | return h; | |
263 | } | |
264 | //______________________________________________________________________ | |
265 | TH1F* AliITSOnlineSDDCMN::GetCorrNoiseHisto() const { | |
776c19a3 | 266 | // produce histogram with corrected noise distribution |
2c4e6a6a | 267 | TString hisnam; |
268 | hisnam.Form("hdcd%02dc%02ds%d",fDDL,fCarlos,fSide); | |
269 | TH1F* h=new TH1F(hisnam.Data(),"",100,0.,8.); | |
4ff6aa93 | 270 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
271 | h->Fill(GetAnodeCorrNoise(ian)); | |
272 | } | |
273 | return h; | |
274 | } | |
e44f571c | 275 | //______________________________________________________________________ |
276 | Bool_t AliITSOnlineSDDCMN::WriteToROOT(TFile *fil){ | |
776c19a3 | 277 | // writes output into a root file |
e44f571c | 278 | if(fil==0){ |
279 | AliWarning("Invalid pointer to ROOT file"); | |
280 | return kFALSE; | |
281 | } | |
2c4e6a6a | 282 | TString hisnam; |
e44f571c | 283 | fil->cd(); |
2c4e6a6a | 284 | hisnam.Form("hgood%02dc%02ds%d",fDDL,fCarlos,fSide); |
285 | TH1F hgood(hisnam.Data(),"",256,-0.5,255.5); | |
286 | hisnam.Form("hbase%02dc%02ds%d",fDDL,fCarlos,fSide); | |
287 | TH1F hbase(hisnam.Data(),"",256,-0.5,255.5); | |
288 | hisnam.Form("hnois%02dc%02ds%d",fDDL,fCarlos,fSide); | |
289 | TH1F hnois(hisnam.Data(),"",256,-0.5,255.5); | |
290 | hisnam.Form("hcmn%02dc%02ds%d",fDDL,fCarlos,fSide); | |
291 | TH1F hcmn(hisnam.Data(),"",256,-0.5,255.5); | |
292 | hisnam.Form("hcorn%02dc%02ds%d",fDDL,fCarlos,fSide); | |
293 | TH1F hcorn(hisnam.Data(),"",256,-0.5,255.5); | |
e44f571c | 294 | for(Int_t ian=0;ian<fgkNAnodes;ian++){ |
295 | hgood.SetBinContent(ian+1,float(IsAnodeGood(ian))); | |
296 | hbase.SetBinContent(ian+1,GetAnodeBaseline(ian)); | |
297 | hnois.SetBinContent(ian+1,GetAnodeRawNoise(ian)); | |
298 | hcmn.SetBinContent(ian+1,GetAnodeCommonMode(ian)); | |
299 | hcorn.SetBinContent(ian+1,GetAnodeCorrNoise(ian)); | |
300 | } | |
301 | hgood.Write(); | |
302 | hbase.Write(); | |
303 | hnois.Write(); | |
304 | hcmn.Write(); | |
305 | hcorn.Write(); | |
306 | return kTRUE; | |
307 | } |