1 /**************************************************************************
2 * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 #include "AliITSOnlineSDDCMN.h"
22 ///////////////////////////////////////////////////////////////////
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 //
28 ///////////////////////////////////////////////////////////////////
31 ClassImp(AliITSOnlineSDDCMN)
32 //______________________________________________________________________
33 AliITSOnlineSDDCMN::AliITSOnlineSDDCMN():AliITSOnlineSDD(),fNEvents(0),fLowThreshold(0),fHighThreshold(0),fMinCorrNoise(0.),fMaxCorrNoise(0.),fNSigmaNoise(0.)
35 // default constructor
41 //______________________________________________________________________
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.)
44 // default constructor
50 //______________________________________________________________________
51 AliITSOnlineSDDCMN::~AliITSOnlineSDDCMN(){
54 //______________________________________________________________________
55 void AliITSOnlineSDDCMN::Reset(){
58 for(Int_t i=0;i<fgkNAnodes;i++){
67 //______________________________________________________________________
68 void AliITSOnlineSDDCMN::ReadBaselines(){
69 // assume baselines and good anodes are taken from previous run
70 Char_t basfilnam[100];
71 sprintf(basfilnam,"SDDbase_step1_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
72 FILE* basf=fopen(basfilnam,"r");
74 AliWarning(Form("Baseline file not present (ddl %d carlos %d side %d, Set all baselines to 50\n",fDDL,fCarlos,fSide));
75 for(Int_t ian=0;ian<fgkNAnodes;ian++){
78 fOffsetBaseline[ian]=0;
83 fscanf(basf,"%d\n",&fHighThreshold);
84 fscanf(basf,"%d\n",&fLowThreshold);
85 Int_t n,ok,eqbase,offbase;
86 Float_t base,rms,cmn,corrnoi;
87 for(Int_t ian=0;ian<fgkNAnodes;ian++){
88 fscanf(basf,"%d %d %f %d %d %f %f %f\n",&n,&ok,&base,&eqbase,&offbase,&rms,&cmn,&corrnoi);
91 fEqBaseline[ian]=eqbase;
92 fOffsetBaseline[ian]=offbase;
98 //______________________________________________________________________
99 void AliITSOnlineSDDCMN::ValidateAnodes(){
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;
108 //______________________________________________________________________
109 TH2F* AliITSOnlineSDDCMN::GetCleanEvent(TH2F* hrawd) const {
111 TH2F* hcorrd=new TH2F("hcorrd","",hrawd->GetNbinsX(),hrawd->GetXaxis()->GetXmin(),hrawd->GetXaxis()->GetXmax(),hrawd->GetNbinsY(),hrawd->GetYaxis()->GetXmin(),hrawd->GetYaxis()->GetXmax());
112 for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
113 Float_t sumEven=0., sumOdd=0.;
114 Int_t countEven=0, countOdd=0;
115 for(Int_t ian=0;ian<fgkNAnodes;ian+=2){
116 if(!fGoodAnode[ian]) continue;
117 sumEven+=hrawd->GetBinContent(itb+1,ian+1)-fBaseline[ian];
120 for(Int_t ian=1;ian<fgkNAnodes;ian+=2){
121 if(!fGoodAnode[ian]) continue;
122 sumOdd+=hrawd->GetBinContent(itb+1,ian+1)-fBaseline[ian];
125 for(Int_t ian=0;ian<fgkNAnodes;ian++){
126 if(!fGoodAnode[ian]) continue;
128 if(ian%2==0) meanN=sumEven/(Float_t)countEven;
129 else meanN=sumOdd/(Float_t)countOdd;
130 Float_t cntCorr=hrawd->GetBinContent(itb+1,ian+1)-fCMN[ian]*meanN;
131 hcorrd->SetBinContent(itb+1,ian+1,cntCorr);
136 //______________________________________________________________________
137 void AliITSOnlineSDDCMN::AddEvent(TH2F* hrawd){
140 TH2F* hcorrd=GetCleanEvent(hrawd);
142 for(Int_t ian=0;ian<fgkNAnodes;ian++){
143 if(!fGoodAnode[ian]) continue;
146 for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
147 sumQ+=TMath::Power(hcorrd->GetBinContent(itb+1,ian+1)-fBaseline[ian],2);
150 fSumCorrNoise[ian]+=TMath::Sqrt(sumQ/(Float_t)cnt);
154 //______________________________________________________________________
155 Float_t AliITSOnlineSDDCMN::CalcMeanNoise() const{
159 for(Int_t ian=0;ian<fgkNAnodes;ian++){
160 if(!fGoodAnode[ian]) continue;
161 meanns+=GetAnodeCorrNoise(ian);
164 if(cnt>0) meanns/=(Float_t)cnt;
167 //______________________________________________________________________
168 void AliITSOnlineSDDCMN::WriteToASCII(){
170 Char_t outfilnam[100];
171 sprintf(outfilnam,"SDDbase_step2_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
172 FILE* outf=fopen(outfilnam,"w");
173 fprintf(outf,"%d\n",fHighThreshold);
174 fprintf(outf,"%d\n",fLowThreshold);
175 for(Int_t ian=0;ian<fgkNAnodes;ian++){
176 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));
181 //______________________________________________________________________
182 TH1F* AliITSOnlineSDDCMN::GetBaselineAnodeHisto() const {
185 sprintf(hisnam,"hbd%02dc%02ds%d",fDDL,fCarlos,fSide);
186 TH1F* h=new TH1F(hisnam,"",256,-0.5,255.5);
187 for(Int_t ian=0;ian<fgkNAnodes;ian++){
188 h->SetBinContent(ian+1,GetAnodeBaseline(ian));
192 //______________________________________________________________________
193 TH1F* AliITSOnlineSDDCMN::GetRawNoiseAnodeHisto() const {
196 sprintf(hisnam,"hnd%02dc%02ds%d",fDDL,fCarlos,fSide);
197 TH1F* h=new TH1F(hisnam,"",256,-0.5,255.5);
198 for(Int_t ian=0;ian<fgkNAnodes;ian++){
199 h->SetBinContent(ian+1,GetAnodeRawNoise(ian));
203 //______________________________________________________________________
204 TH1F* AliITSOnlineSDDCMN::GetCorrNoiseAnodeHisto() const {
207 sprintf(hisnam,"hcd%02dc%02ds%d",fDDL,fCarlos,fSide);
208 TH1F* h=new TH1F(hisnam,"",256,-0.5,255.5);
209 for(Int_t ian=0;ian<fgkNAnodes;ian++){
210 h->SetBinContent(ian+1,GetAnodeCorrNoise(ian));
214 //______________________________________________________________________
215 TH1F* AliITSOnlineSDDCMN::GetBaselineHisto() const {
218 sprintf(hisnam,"hdbd%02dc%02ds%d",fDDL,fCarlos,fSide);
219 TH1F* h=new TH1F(hisnam,"",100,0.,150.);
220 for(Int_t ian=0;ian<fgkNAnodes;ian++){
221 h->Fill(GetAnodeBaseline(ian));
225 //______________________________________________________________________
226 TH1F* AliITSOnlineSDDCMN::GetRawNoiseHisto() const {
229 sprintf(hisnam,"hdnd%02dc%02ds%d",fDDL,fCarlos,fSide);
230 TH1F* h=new TH1F(hisnam,"",100,0.,8.);
231 for(Int_t ian=0;ian<fgkNAnodes;ian++){
232 h->Fill(GetAnodeRawNoise(ian));
236 //______________________________________________________________________
237 TH1F* AliITSOnlineSDDCMN::GetCorrNoiseHisto() const {
240 sprintf(hisnam,"hdcd%02dc%02ds%d",fDDL,fCarlos,fSide);
241 TH1F* h=new TH1F(hisnam,"",100,0.,8.);
242 for(Int_t ian=0;ian<fgkNAnodes;ian++){
243 h->Fill(GetAnodeCorrNoise(ian));
247 //______________________________________________________________________
248 Bool_t AliITSOnlineSDDCMN::WriteToROOT(TFile *fil){
251 AliWarning("Invalid pointer to ROOT file");
256 sprintf(hisnam,"hgood%02dc%02ds%d",fDDL,fCarlos,fSide);
257 TH1F hgood(hisnam,"",256,-0.5,255.5);
258 sprintf(hisnam,"hbase%02dc%02ds%d",fDDL,fCarlos,fSide);
259 TH1F hbase(hisnam,"",256,-0.5,255.5);
260 sprintf(hisnam,"hnois%02dc%02ds%d",fDDL,fCarlos,fSide);
261 TH1F hnois(hisnam,"",256,-0.5,255.5);
262 sprintf(hisnam,"hcmn%02dc%02ds%d",fDDL,fCarlos,fSide);
263 TH1F hcmn(hisnam,"",256,-0.5,255.5);
264 sprintf(hisnam,"hcorn%02dc%02ds%d",fDDL,fCarlos,fSide);
265 TH1F hcorn(hisnam,"",256,-0.5,255.5);
266 for(Int_t ian=0;ian<fgkNAnodes;ian++){
267 hgood.SetBinContent(ian+1,float(IsAnodeGood(ian)));
268 hbase.SetBinContent(ian+1,GetAnodeBaseline(ian));
269 hnois.SetBinContent(ian+1,GetAnodeRawNoise(ian));
270 hcmn.SetBinContent(ian+1,GetAnodeCommonMode(ian));
271 hcorn.SetBinContent(ian+1,GetAnodeCorrNoise(ian));