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),fMinCorrNoise(0.),fMaxCorrNoise(0.),fNSigmaNoise(0.)
35 // default constructor
41 //______________________________________________________________________
42 AliITSOnlineSDDCMN::AliITSOnlineSDDCMN(Int_t mod, Int_t sid):AliITSOnlineSDD(mod,sid),fNEvents(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_mod%03d_sid%d.data",fModuleId,fSide);
72 FILE* basf=fopen(basfilnam,"r");
74 AliWarning("Baselinefile not present, Set all baselines to 50\n");
75 for(Int_t ian=0;ian<fgkNAnodes;ian++){
82 Float_t base,rms,cmn,corrnoi;
83 for(Int_t ian=0;ian<fgkNAnodes;ian++){
84 fscanf(basf,"%d %d %f %f %f %f\n",&n,&ok,&base,&rms,&cmn,&corrnoi);
92 //______________________________________________________________________
93 void AliITSOnlineSDDCMN::ValidateAnodes(){
95 for(Int_t ian=0;ian<fgkNAnodes;ian++){
96 if(!fGoodAnode[ian]) continue;
97 if(GetAnodeCorrNoise(ian)>fMaxCorrNoise || GetAnodeCorrNoise(ian)<fMinCorrNoise) fGoodAnode[ian]=0;
98 if(GetAnodeCorrNoise(ian)>fNSigmaNoise*CalcMeanNoise()) fGoodAnode[ian]=0;
102 //______________________________________________________________________
103 void AliITSOnlineSDDCMN::AddEvent(TH2F* hrawd){
106 const Int_t nTimeBins=fLastGoodTB-fFirstGoodTB+1;
107 TH2F* hcorrd=new TH2F("hcorrd","",hrawd->GetNbinsX(),hrawd->GetXaxis()->GetXmin(),hrawd->GetXaxis()->GetXmax(),hrawd->GetNbinsY(),hrawd->GetYaxis()->GetXmin(),hrawd->GetYaxis()->GetXmax());
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)-fBaseline[ian];
116 for(Int_t ian=1;ian<fgkNAnodes;ian+=2){
117 if(!fGoodAnode[ian]) continue;
118 sumOdd+=hrawd->GetBinContent(itb+1,ian+1)-fBaseline[ian];
121 for(Int_t ian=0;ian<fgkNAnodes;ian++){
122 if(!fGoodAnode[ian]) continue;
124 if(ian%2==0) meanN=sumEven/(Float_t)countEven;
125 else meanN=sumOdd/(Float_t)countOdd;
126 Float_t cntCorr=hrawd->GetBinContent(itb+1,ian+1)-fCMN[ian]*meanN;
127 hcorrd->SetBinContent(itb+1,ian+1,cntCorr);
131 for(Int_t ian=0;ian<fgkNAnodes;ian++){
132 if(!fGoodAnode[ian]) continue;
134 for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
135 sumQ+=TMath::Power(hcorrd->GetBinContent(itb+1,ian+1)-fBaseline[ian],2);
137 fSumCorrNoise[ian]+=TMath::Sqrt(sumQ/(Float_t)nTimeBins);
141 //______________________________________________________________________
142 Float_t AliITSOnlineSDDCMN::CalcMeanNoise() const{
146 for(Int_t ian=0;ian<fgkNAnodes;ian++){
147 if(!fGoodAnode[ian]) continue;
148 meanns+=GetAnodeCorrNoise(ian);
151 if(cnt>0) meanns/=(Float_t)cnt;
154 //______________________________________________________________________
155 void AliITSOnlineSDDCMN::WriteToASCII(){
157 Char_t outfilnam[100];
158 sprintf(outfilnam,"SDDbase_step2_mod%03d_sid%d.data",fModuleId,fSide);
159 FILE* outf=fopen(outfilnam,"w");
160 for(Int_t ian=0;ian<fgkNAnodes;ian++){
161 fprintf(outf,"%d %d %8.3f %8.3f %8.3f %8.3f\n",ian,IsAnodeGood(ian),GetAnodeBaseline(ian),GetAnodeRawNoise(ian),GetAnodeCommonMode(ian),GetAnodeCorrNoise(ian));
165 //______________________________________________________________________
166 Bool_t AliITSOnlineSDDCMN::WriteToROOT(TFile *fil){
169 AliWarning("Invalid pointer to ROOT file");
174 sprintf(hisnam,"hgood%03ds%d",fModuleId,fSide);
175 TH1F hgood(hisnam,"",256,-0.5,255.5);
176 sprintf(hisnam,"hbase%03ds%d",fModuleId,fSide);
177 TH1F hbase(hisnam,"",256,-0.5,255.5);
178 sprintf(hisnam,"hnois%03ds%d",fModuleId,fSide);
179 TH1F hnois(hisnam,"",256,-0.5,255.5);
180 sprintf(hisnam,"hcmn%03ds%d",fModuleId,fSide);
181 TH1F hcmn(hisnam,"",256,-0.5,255.5);
182 sprintf(hisnam,"hcorn%03ds%d",fModuleId,fSide);
183 TH1F hcorn(hisnam,"",256,-0.5,255.5);
184 for(Int_t ian=0;ian<fgkNAnodes;ian++){
185 hgood.SetBinContent(ian+1,float(IsAnodeGood(ian)));
186 hbase.SetBinContent(ian+1,GetAnodeBaseline(ian));
187 hnois.SetBinContent(ian+1,GetAnodeRawNoise(ian));
188 hcmn.SetBinContent(ian+1,GetAnodeCommonMode(ian));
189 hcorn.SetBinContent(ian+1,GetAnodeCorrNoise(ian));