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.),fNSigmaGain(0.),fNSigmaNoise(0.)
  34 {
  35   // default constructor
  36   Reset();
  37   SetNSigmaGain();
  38   SetNSigmaNoise();
  39 }
  40 //______________________________________________________________________
  41 AliITSOnlineSDDTP::AliITSOnlineSDDTP(Int_t mod, Int_t sid, Float_t xDAC):AliITSOnlineSDD(mod,sid),fDAC(xDAC),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   //
  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   //
  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   Char_t basfilnam[100];
  93   sprintf(basfilnam,"SDDbase_step2_mod%03d_sid%d.data",fModuleId,fSide);
  94   FILE* basf=fopen(basfilnam,"r");
  95   if(basf==0){
  96     AliWarning("Baselinefile not present, Set all baselines to 50\n");
  97     for(Int_t ian=0;ian<fgkNAnodes;ian++){
  98       fBaseline[ian]=50.;
  99       fGoodAnode[ian]=1;
 100     }
 101     return;
 102   }
 103   Int_t n,ok;
 104   Float_t base,rms,cmn,corrnoi;
 105   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 106     fscanf(basf,"%d %d %f %f %f %f\n",&n,&ok,&base,&rms,&cmn,&corrnoi);
 107     fBaseline[ian]=base;
 108     fGoodAnode[ian]=ok;
 109     fRawNoise[ian]=rms;
 110     fCMN[ian]=cmn;
 111     fCorrNoise[ian]=corrnoi;
 112   }
 113   fclose(basf);
 114 }
 115
 116 //______________________________________________________________________
 117 Bool_t AliITSOnlineSDDTP::IsModuleGood() const{
 118   //
 119   // Check if there is at least 1 good anode
 120   //
 121   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 122     if(fGoodAnode[ian]) return kTRUE;
 123   }
 124   return kFALSE;
 125 }
 126 //______________________________________________________________________
 127 void AliITSOnlineSDDTP::ValidateAnodes(){
 128   //
 129   Float_t meang,rmsg;
 130   StatGain(meang,rmsg);
 131   Float_t lowlim=meang-fNSigmaGain*rmsg;
 132   Float_t hilim=meang+fNSigmaGain*rmsg;
 133
 134   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 135     if(!fGoodAnode[ian]) continue;
 136     if(GetChannelGain(ian)<lowlim||GetChannelGain(ian)>hilim) fGoodAnode[ian]=0;
 137   }
 138 }
 139
 140
 141 //______________________________________________________________________
 142 void AliITSOnlineSDDTP::StatGain(Float_t &mean, Float_t  &rms){
 143   //
 144   Float_t sum=0.,sumq=0.;
 145   Int_t cnt=0;
 146   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 147     if(!fGoodAnode[ian]) continue;
 148     if(fNEvents[ian]==0) continue;
 149     sum+=GetChannelGain(ian);
 150     sumq+=TMath::Power(GetChannelGain(ian),2);
 151     cnt++;
 152   }
 153   if(cnt>0){
 154     mean=sum/(Float_t)cnt;
 155     rms=TMath::Sqrt(sumq/(Float_t)cnt-mean*mean);
 156   }else{
 157     mean=0.;
 158     rms=0.;
 159   }
 160   return;
 161 }
 162
 163 //______________________________________________________________________
 164 void AliITSOnlineSDDTP::WriteToASCII(){
 165   //
 166   Char_t outfilnam[100];
 167   sprintf(outfilnam,"SDDbase_mod%03d_sid%d.data",fModuleId,fSide);
 168   FILE* outf=fopen(outfilnam,"w");
 169   fprintf(outf,"%d %d %d\n",fModuleId,fSide,IsModuleGood());
 170   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 171     fprintf(outf,"%d %d %8.3f %8.3f %8.3f %8.3f %8.3f\n",ian,IsAnodeGood(ian),GetAnodeBaseline(ian),GetAnodeRawNoise(ian),GetAnodeCommonMode(ian),GetAnodeCorrNoise(ian),GetChannelGain(ian));
 172   }
 173   fclose(outf);
 174 }
 175 //______________________________________________________________________
 176 Bool_t AliITSOnlineSDDTP::WriteToROOT(TFile *fil){
 177   //
 178   if(fil==0){
 179     AliWarning("Invalid pointer to ROOT file");
 180     return kFALSE;
 181   }
 182   Char_t hisnam[20];
 183   fil->cd();
 184   sprintf(hisnam,"hgood%03ds%d",fModuleId,fSide);
 185   TH1F hgood(hisnam,"",256,-0.5,255.5);
 186   sprintf(hisnam,"hbase%03ds%d",fModuleId,fSide);
 187   TH1F hbase(hisnam,"",256,-0.5,255.5);
 188   sprintf(hisnam,"hnois%03ds%d",fModuleId,fSide);
 189   TH1F hnois(hisnam,"",256,-0.5,255.5);
 190   sprintf(hisnam,"hcmn%03ds%d",fModuleId,fSide);
 191   TH1F hcmn(hisnam,"",256,-0.5,255.5);
 192   sprintf(hisnam,"hcorn%03ds%d",fModuleId,fSide);
 193   TH1F hcorn(hisnam,"",256,-0.5,255.5);
 194   sprintf(hisnam,"hgain%03ds%d",fModuleId,fSide);
 195   TH1F hgain(hisnam,"",256,-0.5,255.5);
 196   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 197     hgood.SetBinContent(ian+1,float(IsAnodeGood(ian)));
 198     hbase.SetBinContent(ian+1,GetAnodeBaseline(ian));
 199     hnois.SetBinContent(ian+1,GetAnodeRawNoise(ian));
 200     hcmn.SetBinContent(ian+1,GetAnodeCommonMode(ian));
 201     hcorn.SetBinContent(ian+1,GetAnodeCorrNoise(ian));
 202     hgain.SetBinContent(ian+1,GetChannelGain(ian));
 203   }
 204   hgood.Write();
 205   hbase.Write();
 206   hnois.Write();
 207   hcmn.Write();
 208   hcorn.Write();
 209   hgain.Write();
 210   return kTRUE;
 211 }
 212