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   Int_t check = fscanf(basf,"%d\n",&fHighThreshold);
 106   if(check<1)AliError("Error while reading file with baselines");
 107   check = fscanf(basf,"%d\n",&fLowThreshold);
 108   if(check<1)AliError("Error while reading file with baselines");
 109   Int_t n,ok,eqbase,offbase;
 110   Float_t base,rms,cmn,corrnoi;
 111   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 112     check = fscanf(basf,"%d %d %f %d %d %f %f %f\n",&n,&ok,&base,&eqbase,&offbase,&rms,&cmn,&corrnoi);
 113     if(check<1)AliError("Error while reading file with baselines");
 114     fBaseline[ian]=base;
 115     fEqBaseline[ian]=eqbase;
 116     fOffsetBaseline[ian]=offbase;
 117     fGoodAnode[ian]=ok;
 118     fRawNoise[ian]=rms;
 119     fCMN[ian]=cmn;
 120     fCorrNoise[ian]=corrnoi;
 121   }
 122   fclose(basf);
 123 }
 124
 125 //______________________________________________________________________
 126 Bool_t AliITSOnlineSDDTP::IsModuleGood() const{
 127   //
 128   // Check if there is at least 1 good anode
 129   //
 130   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 131     if(fGoodAnode[ian]) return kTRUE;
 132   }
 133   return kFALSE;
 134 }
 135 //______________________________________________________________________
 136 void AliITSOnlineSDDTP::ValidateAnodes(){
 137   // tag good/bad channels
 138   Float_t meang,rmsg;
 139   StatGain(meang,rmsg);
 140   Float_t lowlim=meang-fNSigmaGain*rmsg;
 141   Float_t hilim=meang+fNSigmaGain*rmsg;
 142
 143   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 144     if(!fGoodAnode[ian]) continue;
 145     if(GetChannelGain(ian)<lowlim||GetChannelGain(ian)>hilim) fGoodAnode[ian]=0;
 146   }
 147 }
 148
 149
 150 //______________________________________________________________________
 151 void AliITSOnlineSDDTP::StatGain(Float_t &mean, Float_t  &rms) const {
 152   // compute average gain and rms
 153   Float_t sum=0.,sumq=0.;
 154   Int_t cnt=0;
 155   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 156     if(!fGoodAnode[ian]) continue;
 157     if(fNEvents[ian]==0) continue;
 158     Float_t chgain=GetChannelGain(ian);
 159     sum+=chgain;
 160     sumq+=chgain*chgain;
 161     cnt++;
 162   }
 163   if(cnt>0){
 164     mean=sum/(Float_t)cnt;
 165     Float_t variance=sumq/(Float_t)cnt-mean*mean;
 166     if(variance>0.) rms=TMath::Sqrt(variance);
 167     else rms = 0;
 168   }else{
 169     mean=0.;
 170     rms=0.;
 171   }
 172   return;
 173 }
 174
 175 //______________________________________________________________________
 176 void AliITSOnlineSDDTP::WriteToASCII(){
 177   // writes parameters of each channel into an ASCII file
 178   // to be sent to FXS by the DA and processed by the SHUTTLE
 179
 180   TString outfilnam;
 181   outfilnam.Form("SDDbase_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
 182   FILE* outf=fopen(outfilnam.Data(),"w");
 183   fprintf(outf,"%d %d %d\n",fCarlos,fSide,IsModuleGood());
 184   fprintf(outf,"%d\n",fHighThreshold);
 185   fprintf(outf,"%d\n",fLowThreshold);
 186   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 187     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));
 188   }
 189   fclose(outf);
 190 }
 191 //______________________________________________________________________
 192 TH1F* AliITSOnlineSDDTP::GetBaselineAnodeHisto() const {
 193   // produce histogram with baseline vs. anode number
 194   TString hisnam;
 195   hisnam.Form("hbase%02dc%02ds%d",fDDL,fCarlos,fSide);
 196   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
 197   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 198     h->SetBinContent(ian+1,GetAnodeBaseline(ian));
 199   }
 200   return h;
 201 }
 202 //______________________________________________________________________
 203 TH1F* AliITSOnlineSDDTP::GetRawNoiseAnodeHisto() const {
 204   // produce histogram with raw noise vs. anode number
 205   TString hisnam;
 206   hisnam.Form("hnois%02dc%02ds%d",fDDL,fCarlos,fSide);
 207   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
 208   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 209     h->SetBinContent(ian+1,GetAnodeRawNoise(ian));
 210   }
 211   return h;
 212 }
 213 //______________________________________________________________________
 214 TH1F* AliITSOnlineSDDTP::GetCorrNoiseAnodeHisto() const {
 215   // produce histogram with corrected noise vs. anode number
 216   TString hisnam;
 217   hisnam.Form("hcorn%02dc%02ds%d",fDDL,fCarlos,fSide);
 218   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
 219   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 220     h->SetBinContent(ian+1,GetAnodeCorrNoise(ian));
 221   }
 222   return h;
 223 }
 224 //______________________________________________________________________
 225 TH1F* AliITSOnlineSDDTP::GetCMNCoefAnodeHisto() const {
 226   // produce histogram with coefficients for common mode noise subtraction
 227   TString hisnam;
 228   hisnam.Form("hcmn%02dc%02ds%d",fDDL,fCarlos,fSide);
 229   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
 230   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 231     h->SetBinContent(ian+1,GetAnodeCommonMode(ian));
 232   }
 233   return h;
 234 }
 235 //______________________________________________________________________
 236 TH1F* AliITSOnlineSDDTP::GetStatusAnodeHisto() const {
 237   // produce histogram with status bit of each anode
 238   TString hisnam;
 239   hisnam.Form("hgood%02dc%02ds%d",fDDL,fCarlos,fSide);
 240   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
 241   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 242     h->SetBinContent(ian+1,float(IsAnodeGood(ian)));
 243   }
 244   return h;
 245 }
 246 //______________________________________________________________________
 247 TH1F* AliITSOnlineSDDTP::GetGainAnodeHisto() const {
 248   // produce histogram with gain vs. anode number
 249   TString hisnam;
 250   hisnam.Form("hgain%02dc%02ds%d",fDDL,fCarlos,fSide);
 251   TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
 252   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 253     h->SetBinContent(ian+1,GetChannelGain(ian));
 254   }
 255   return h;
 256 }
 257 //______________________________________________________________________
 258 Bool_t AliITSOnlineSDDTP::WriteToROOT(TFile *fil){
 259   // writes output into a root file
 260   if(fil==0){
 261     AliWarning("Invalid pointer to ROOT file");
 262     return kFALSE;
 263   }
 264   TString hisnam;
 265   fil->cd();
 266   hisnam.Form("hgood%02dc%02ds%d",fDDL,fCarlos,fSide);
 267   TH1F hgood(hisnam.Data(),"",256,-0.5,255.5);
 268   hisnam.Form("hbase%02dc%02ds%d",fDDL,fCarlos,fSide);
 269   TH1F hbase(hisnam.Data(),"",256,-0.5,255.5);
 270   hisnam.Form("hnois%02dc%02ds%d",fDDL,fCarlos,fSide);
 271   TH1F hnois(hisnam.Data(),"",256,-0.5,255.5);
 272   hisnam.Form("hcmn%02dc%02ds%d",fDDL,fCarlos,fSide);
 273   TH1F hcmn(hisnam.Data(),"",256,-0.5,255.5);
 274   hisnam.Form("hcorn%02dc%02ds%d",fDDL,fCarlos,fSide);
 275   TH1F hcorn(hisnam.Data(),"",256,-0.5,255.5);
 276   hisnam.Form("hgain%02dc%02ds%d",fDDL,fCarlos,fSide);
 277   TH1F hgain(hisnam.Data(),"",256,-0.5,255.5);
 278   hisnam.Form("htptb%02dc%02ds%d",fDDL,fCarlos,fSide);
 279   TH1F htptb(hisnam.Data(),"",256,-0.5,255.5);
 280   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 281     hgood.SetBinContent(ian+1,float(IsAnodeGood(ian)));
 282     hbase.SetBinContent(ian+1,GetAnodeBaseline(ian));
 283     hnois.SetBinContent(ian+1,GetAnodeRawNoise(ian));
 284     hcmn.SetBinContent(ian+1,GetAnodeCommonMode(ian));
 285     hcorn.SetBinContent(ian+1,GetAnodeCorrNoise(ian));
 286     hgain.SetBinContent(ian+1,GetChannelGain(ian));
 287     htptb.SetBinContent(ian+1,GetTimeBinTPPeak(ian));
 288   }
 289   hgood.Write();
 290   hbase.Write();
 291   hnois.Write();
 292   hcmn.Write();
 293   hcorn.Write();
 294   hgain.Write();
 295   htptb.Write();
 296   return kTRUE;
 297 }
 298