ITS/AliITSOnlineSDDTP.cxx

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