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   //
  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_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
  94   FILE* basf=fopen(basfilnam,"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   //
 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){
 149   //
 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     sum+=GetChannelGain(ian);
 156     sumq+=TMath::Power(GetChannelGain(ian),2);
 157     cnt++;
 158   }
 159   if(cnt>0){
 160     mean=sum/(Float_t)cnt;
 161     Float_t variance=sumq/(Float_t)cnt-mean*mean;
 162     if(variance>0.) rms=TMath::Sqrt(variance);
 163     else rms = 0;
 164   }else{
 165     mean=0.;
 166     rms=0.;
 167   }
 168   return;
 169 }
 170
 171 //______________________________________________________________________
 172 void AliITSOnlineSDDTP::WriteToASCII(){
 173   //
 174   Char_t outfilnam[100];
 175   sprintf(outfilnam,"SDDbase_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
 176   FILE* outf=fopen(outfilnam,"w");
 177   fprintf(outf,"%d %d %d\n",fCarlos,fSide,IsModuleGood());
 178   fprintf(outf,"%d\n",fHighThreshold);
 179   fprintf(outf,"%d\n",fLowThreshold);
 180   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 181     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));
 182   }
 183   fclose(outf);
 184 }
 185 //______________________________________________________________________
 186 Bool_t AliITSOnlineSDDTP::WriteToROOT(TFile *fil){
 187   //
 188   if(fil==0){
 189     AliWarning("Invalid pointer to ROOT file");
 190     return kFALSE;
 191   }
 192   Char_t hisnam[20];
 193   fil->cd();
 194   sprintf(hisnam,"hgood%02dc%02ds%d",fDDL,fCarlos,fSide);
 195   TH1F hgood(hisnam,"",256,-0.5,255.5);
 196   sprintf(hisnam,"hbase%02dc%02ds%d",fDDL,fCarlos,fSide);
 197   TH1F hbase(hisnam,"",256,-0.5,255.5);
 198   sprintf(hisnam,"hnois%02dc%02ds%d",fDDL,fCarlos,fSide);
 199   TH1F hnois(hisnam,"",256,-0.5,255.5);
 200   sprintf(hisnam,"hcmn%02dc%02ds%d",fDDL,fCarlos,fSide);
 201   TH1F hcmn(hisnam,"",256,-0.5,255.5);
 202   sprintf(hisnam,"hcorn%02dc%02ds%d",fDDL,fCarlos,fSide);
 203   TH1F hcorn(hisnam,"",256,-0.5,255.5);
 204   sprintf(hisnam,"hgain%02dc%02ds%d",fDDL,fCarlos,fSide);
 205   TH1F hgain(hisnam,"",256,-0.5,255.5);
 206   for(Int_t ian=0;ian<fgkNAnodes;ian++){
 207     hgood.SetBinContent(ian+1,float(IsAnodeGood(ian)));
 208     hbase.SetBinContent(ian+1,GetAnodeBaseline(ian));
 209     hnois.SetBinContent(ian+1,GetAnodeRawNoise(ian));
 210     hcmn.SetBinContent(ian+1,GetAnodeCommonMode(ian));
 211     hcorn.SetBinContent(ian+1,GetAnodeCorrNoise(ian));
 212     hgain.SetBinContent(ian+1,GetChannelGain(ian));
 213   }
 214   hgood.Write();
 215   hbase.Write();
 216   hnois.Write();
 217   hcmn.Write();
 218   hcorn.Write();
 219   hgain.Write();
 220   return kTRUE;
 221 }
 222