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       fEqBaseline[ian]=50;
 100       fOffsetBaseline[ian]=0;
 101       fGoodAnode[ian]=1;
 102     }
 103     return;
 104   }
 105   Int_t n,ok,eqbase,offbase;
 106   Float_t base,rms,cmn,corrnoi;
 107   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 108     fscanf(basf,"%d %d %f %d %d %f %f %f\n",&n,&ok,&base,&eqbase,&offbase,&rms,&cmn,&corrnoi);
 109     fBaseline[ian]=base;
 110     fEqBaseline[ian]=eqbase;
 111     fOffsetBaseline[ian]=offbase;
 112     fGoodAnode[ian]=ok;
 113     fRawNoise[ian]=rms;
 114     fCMN[ian]=cmn;
 115     fCorrNoise[ian]=corrnoi;
 116   }
 117   fclose(basf);
 118 }
 119
 120 //______________________________________________________________________
 121 Bool_t AliITSOnlineSDDTP::IsModuleGood() const{
 122   //
 123   // Check if there is at least 1 good anode
 124   //
 125   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 126     if(fGoodAnode[ian]) return kTRUE;
 127   }
 128   return kFALSE;
 129 }
 130 //______________________________________________________________________
 131 void AliITSOnlineSDDTP::ValidateAnodes(){
 132   //
 133   Float_t meang,rmsg;
 134   StatGain(meang,rmsg);
 135   Float_t lowlim=meang-fNSigmaGain*rmsg;
 136   Float_t hilim=meang+fNSigmaGain*rmsg;
 137
 138   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 139     if(!fGoodAnode[ian]) continue;
 140     if(GetChannelGain(ian)<lowlim||GetChannelGain(ian)>hilim) fGoodAnode[ian]=0;
 141   }
 142 }
 143
 144
 145 //______________________________________________________________________
 146 void AliITSOnlineSDDTP::StatGain(Float_t &mean, Float_t  &rms){
 147   //
 148   Float_t sum=0.,sumq=0.;
 149   Int_t cnt=0;
 150   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 151     if(!fGoodAnode[ian]) continue;
 152     if(fNEvents[ian]==0) continue;
 153     sum+=GetChannelGain(ian);
 154     sumq+=TMath::Power(GetChannelGain(ian),2);
 155     cnt++;
 156   }
 157   if(cnt>0){
 158     mean=sum/(Float_t)cnt;
 159     rms=TMath::Sqrt(sumq/(Float_t)cnt-mean*mean);
 160   }else{
 161     mean=0.;
 162     rms=0.;
 163   }
 164   return;
 165 }
 166
 167 //______________________________________________________________________
 168 void AliITSOnlineSDDTP::WriteToASCII(){
 169   //
 170   Char_t outfilnam[100];
 171   sprintf(outfilnam,"SDDbase_mod%03d_sid%d.data",fModuleId,fSide);
 172   FILE* outf=fopen(outfilnam,"w");
 173   fprintf(outf,"%d %d %d\n",fModuleId,fSide,IsModuleGood());
 174   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 175     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));
 176   }
 177   fclose(outf);
 178 }
 179 //______________________________________________________________________
 180 Bool_t AliITSOnlineSDDTP::WriteToROOT(TFile *fil){
 181   //
 182   if(fil==0){
 183     AliWarning("Invalid pointer to ROOT file");
 184     return kFALSE;
 185   }
 186   Char_t hisnam[20];
 187   fil->cd();
 188   sprintf(hisnam,"hgood%03ds%d",fModuleId,fSide);
 189   TH1F hgood(hisnam,"",256,-0.5,255.5);
 190   sprintf(hisnam,"hbase%03ds%d",fModuleId,fSide);
 191   TH1F hbase(hisnam,"",256,-0.5,255.5);
 192   sprintf(hisnam,"hnois%03ds%d",fModuleId,fSide);
 193   TH1F hnois(hisnam,"",256,-0.5,255.5);
 194   sprintf(hisnam,"hcmn%03ds%d",fModuleId,fSide);
 195   TH1F hcmn(hisnam,"",256,-0.5,255.5);
 196   sprintf(hisnam,"hcorn%03ds%d",fModuleId,fSide);
 197   TH1F hcorn(hisnam,"",256,-0.5,255.5);
 198   sprintf(hisnam,"hgain%03ds%d",fModuleId,fSide);
 199   TH1F hgain(hisnam,"",256,-0.5,255.5);
 200   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 201     hgood.SetBinContent(ian+1,float(IsAnodeGood(ian)));
 202     hbase.SetBinContent(ian+1,GetAnodeBaseline(ian));
 203     hnois.SetBinContent(ian+1,GetAnodeRawNoise(ian));
 204     hcmn.SetBinContent(ian+1,GetAnodeCommonMode(ian));
 205     hcorn.SetBinContent(ian+1,GetAnodeCorrNoise(ian));
 206     hgain.SetBinContent(ian+1,GetChannelGain(ian));
 207   }
 208   hgood.Write();
 209   hbase.Write();
 210   hnois.Write();
 211   hcmn.Write();
 212   hcorn.Write();
 213   hgain.Write();
 214   return kTRUE;
 215 }
 216