* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
+#include <TFile.h>
#include "AliITSOnlineSDDTP.h"
#include "AliLog.h"
#include <TH2F.h>
ClassImp(AliITSOnlineSDDTP)
//______________________________________________________________________
-AliITSOnlineSDDTP::AliITSOnlineSDDTP():AliITSOnlineSDD(),fNEvents(0),fDAC(0.),fNSigmaGain(0.)
+AliITSOnlineSDDTP::AliITSOnlineSDDTP():AliITSOnlineSDD(),fDAC(0.),fLowThreshold(0),fHighThreshold(0),fNSigmaGain(0.),fNSigmaNoise(0.)
{
// default constructor
Reset();
SetNSigmaGain();
+ SetNSigmaNoise();
}
//______________________________________________________________________
-AliITSOnlineSDDTP::AliITSOnlineSDDTP(Int_t mod, Int_t sid, Float_t xDAC):AliITSOnlineSDD(mod,sid),fNEvents(0),fDAC(xDAC),fNSigmaGain(0.)
+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.)
{
// standard constructor
Reset();
SetNSigmaGain();
+ SetNSigmaNoise();
}
//______________________________________________________________________
AliITSOnlineSDDTP::~AliITSOnlineSDDTP(){
}
//______________________________________________________________________
void AliITSOnlineSDDTP::Reset(){
- //
- fNEvents=0;
+ // reset all counters
for(Int_t i=0;i<fgkNAnodes;i++){
+ fNEvents[i]=0;
fGoodAnode[i]=1;
fBaseline[i]=0.;
+ fCMN[i]=0.;
+ fRawNoise[i]=0.;
+ fCorrNoise[i]=0.;
fSumTPPeak[i]=0.;
fTPPos[i]=0.;
}
//______________________________________________________________________
void AliITSOnlineSDDTP::AddEvent(TH2F* hrawd){
- //
- fNEvents++;
- Double_t tbmax=(Double_t)hrawd->GetNbinsX();
+ // analyzes current event and sum its contribution to the various counters
for(Int_t ian=0;ian<fgkNAnodes;ian++){
Float_t auxmax=0.;
Int_t auxtb=0;
if(!fGoodAnode[ian]) continue;
- for(Int_t itb=0;itb<tbmax;itb++){
+ for(Int_t itb=fFirstGoodTB;itb<=fLastGoodTB;itb++){
Float_t cnt=hrawd->GetBinContent(itb+1,ian+1);
if(cnt>auxmax){
auxmax=cnt;
auxtb=itb;
}
}
- fSumTPPeak[ian]+=auxmax-fBaseline[ian];
- fTPPos[ian]+=auxtb;
+ if(auxmax>fBaseline[ian]+fNSigmaNoise*fRawNoise[ian]){
+ fSumTPPeak[ian]+=auxmax-fBaseline[ian];
+ fTPPos[ian]+=auxtb;
+ fNEvents[ian]++;
+ }
}
}
//______________________________________________________________________
void AliITSOnlineSDDTP::ReadBaselines(){
// assume baselines and good anodes are taken from previous run
- Char_t basfilnam[100];
- sprintf(basfilnam,"SDDbase_step2_mod%03d_sid%d.data",fModuleId,fSide);
- FILE* basf=fopen(basfilnam,"r");
+ TString basfilnam;
+ basfilnam.Form("SDDbase_step2_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
+ FILE* basf=fopen(basfilnam.Data(),"r");
if(basf==0){
- AliWarning("Baselinefile not present, Set all baselines to 50\n");
+ AliWarning(Form("Baseline file not present (ddl %d carlos %d side %d, Set all baselines to 20",fDDL,fCarlos,fSide));
for(Int_t ian=0;ian<fgkNAnodes;ian++){
- fBaseline[ian]=50.;
+ fBaseline[ian]=20.;
+ fEqBaseline[ian]=20;
+ fOffsetBaseline[ian]=0;
fGoodAnode[ian]=1;
}
return;
}
- Int_t n,ok;
+ Int_t check = fscanf(basf,"%d\n",&fHighThreshold);
+ if(check<1)AliError("Error while reading file with baselines");
+ check = fscanf(basf,"%d\n",&fLowThreshold);
+ if(check<1)AliError("Error while reading file with baselines");
+ Int_t n,ok,eqbase,offbase;
Float_t base,rms,cmn,corrnoi;
for(Int_t ian=0;ian<fgkNAnodes;ian++){
- fscanf(basf,"%d %d %f %f %f %f\n",&n,&ok,&base,&rms,&cmn,&corrnoi);
+ check = fscanf(basf,"%d %d %f %d %d %f %f %f\n",&n,&ok,&base,&eqbase,&offbase,&rms,&cmn,&corrnoi);
+ if(check<1)AliError("Error while reading file with baselines");
fBaseline[ian]=base;
+ fEqBaseline[ian]=eqbase;
+ fOffsetBaseline[ian]=offbase;
fGoodAnode[ian]=ok;
+ fRawNoise[ian]=rms;
+ fCMN[ian]=cmn;
+ fCorrNoise[ian]=corrnoi;
}
fclose(basf);
}
//______________________________________________________________________
-void AliITSOnlineSDDTP::ValidateAnodes(){
+Bool_t AliITSOnlineSDDTP::IsModuleGood() const{
//
+ // Check if there is at least 1 good anode
+ //
+ for(Int_t ian=0;ian<fgkNAnodes;ian++){
+ if(fGoodAnode[ian]) return kTRUE;
+ }
+ return kFALSE;
+}
+//______________________________________________________________________
+void AliITSOnlineSDDTP::ValidateAnodes(){
+ // tag good/bad channels
Float_t meang,rmsg;
StatGain(meang,rmsg);
Float_t lowlim=meang-fNSigmaGain*rmsg;
//______________________________________________________________________
-void AliITSOnlineSDDTP::StatGain(Float_t &mean, Float_t &rms){
- //
+void AliITSOnlineSDDTP::StatGain(Float_t &mean, Float_t &rms) const {
+ // compute average gain and rms
Float_t sum=0.,sumq=0.;
Int_t cnt=0;
for(Int_t ian=0;ian<fgkNAnodes;ian++){
if(!fGoodAnode[ian]) continue;
- sum+=GetChannelGain(ian);
- sumq+=TMath::Power(GetChannelGain(ian),2);
+ if(fNEvents[ian]==0) continue;
+ Float_t chgain=GetChannelGain(ian);
+ sum+=chgain;
+ sumq+=chgain*chgain;
cnt++;
}
if(cnt>0){
mean=sum/(Float_t)cnt;
- rms=TMath::Sqrt(sumq/(Float_t)cnt-mean*mean);
+ Float_t variance=sumq/(Float_t)cnt-mean*mean;
+ if(variance>0.) rms=TMath::Sqrt(variance);
+ else rms = 0;
}else{
mean=0.;
rms=0.;
//______________________________________________________________________
void AliITSOnlineSDDTP::WriteToASCII(){
- //
- Char_t basfilnam[100];
- sprintf(basfilnam,"SDDbase_step2_mod%03d_sid%d.data",fModuleId,fSide);
- FILE* basf=fopen(basfilnam,"r");
- if(basf==0){
- AliWarning("Baseline file not present, launch baseline analysis first\n");
- return;
+ // writes parameters of each channel into an ASCII file
+ // to be sent to FXS by the DA and processed by the SHUTTLE
+
+ TString outfilnam;
+ outfilnam.Form("SDDbase_ddl%02dc%02d_sid%d.data",fDDL,fCarlos,fSide);
+ FILE* outf=fopen(outfilnam.Data(),"w");
+ fprintf(outf,"%d %d %d\n",fCarlos,fSide,IsModuleGood());
+ fprintf(outf,"%d\n",fHighThreshold);
+ fprintf(outf,"%d\n",fLowThreshold);
+ for(Int_t ian=0;ian<fgkNAnodes;ian++){
+ 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));
}
- Int_t n,ok;
- Float_t base,rms,cmn,corrnoi;
- Float_t noise[fgkNAnodes],cmncoef[fgkNAnodes],corrnoise[fgkNAnodes];
+ fclose(outf);
+}
+//______________________________________________________________________
+TH1F* AliITSOnlineSDDTP::GetBaselineAnodeHisto() const {
+ // produce histogram with baseline vs. anode number
+ TString hisnam;
+ hisnam.Form("hbase%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
for(Int_t ian=0;ian<fgkNAnodes;ian++){
- fscanf(basf,"%d %d %f %f %f %f\n",&n,&ok,&base,&rms,&cmn,&corrnoi);
- noise[ian]=rms;
- cmncoef[ian]=cmn;
- corrnoise[ian]=corrnoi;
+ h->SetBinContent(ian+1,GetAnodeBaseline(ian));
}
- fclose(basf);
- Char_t outfilnam[100];
- sprintf(outfilnam,"SDDbase_mod%03d_sid%d.data",fModuleId,fSide);
- FILE* outf=fopen(outfilnam,"w");
+ return h;
+}
+//______________________________________________________________________
+TH1F* AliITSOnlineSDDTP::GetRawNoiseAnodeHisto() const {
+ // produce histogram with raw noise vs. anode number
+ TString hisnam;
+ hisnam.Form("hnois%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
for(Int_t ian=0;ian<fgkNAnodes;ian++){
- fprintf(outf,"%d %d %8.3f %8.3f %8.3f %8.3f %8.3f\n",ian,IsAnodeGood(ian),fBaseline[ian], noise[ian],cmncoef[ian],corrnoise[ian],GetChannelGain(ian));
+ h->SetBinContent(ian+1,GetAnodeRawNoise(ian));
}
- fclose(outf);
+ return h;
+}
+//______________________________________________________________________
+TH1F* AliITSOnlineSDDTP::GetCorrNoiseAnodeHisto() const {
+ // produce histogram with corrected noise vs. anode number
+ TString hisnam;
+ hisnam.Form("hcorn%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
+ for(Int_t ian=0;ian<fgkNAnodes;ian++){
+ h->SetBinContent(ian+1,GetAnodeCorrNoise(ian));
+ }
+ return h;
+}
+//______________________________________________________________________
+TH1F* AliITSOnlineSDDTP::GetCMNCoefAnodeHisto() const {
+ // produce histogram with coefficients for common mode noise subtraction
+ TString hisnam;
+ hisnam.Form("hcmn%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
+ for(Int_t ian=0;ian<fgkNAnodes;ian++){
+ h->SetBinContent(ian+1,GetAnodeCommonMode(ian));
+ }
+ return h;
+}
+//______________________________________________________________________
+TH1F* AliITSOnlineSDDTP::GetStatusAnodeHisto() const {
+ // produce histogram with status bit of each anode
+ TString hisnam;
+ hisnam.Form("hgood%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
+ for(Int_t ian=0;ian<fgkNAnodes;ian++){
+ h->SetBinContent(ian+1,float(IsAnodeGood(ian)));
+ }
+ return h;
+}
+//______________________________________________________________________
+TH1F* AliITSOnlineSDDTP::GetGainAnodeHisto() const {
+ // produce histogram with gain vs. anode number
+ TString hisnam;
+ hisnam.Form("hgain%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F* h=new TH1F(hisnam.Data(),"",256,-0.5,255.5);
+ for(Int_t ian=0;ian<fgkNAnodes;ian++){
+ h->SetBinContent(ian+1,GetChannelGain(ian));
+ }
+ return h;
+}
+//______________________________________________________________________
+Bool_t AliITSOnlineSDDTP::WriteToROOT(TFile *fil){
+ // writes output into a root file
+ if(fil==0){
+ AliWarning("Invalid pointer to ROOT file");
+ return kFALSE;
+ }
+ TString hisnam;
+ fil->cd();
+ hisnam.Form("hgood%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F hgood(hisnam.Data(),"",256,-0.5,255.5);
+ hisnam.Form("hbase%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F hbase(hisnam.Data(),"",256,-0.5,255.5);
+ hisnam.Form("hnois%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F hnois(hisnam.Data(),"",256,-0.5,255.5);
+ hisnam.Form("hcmn%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F hcmn(hisnam.Data(),"",256,-0.5,255.5);
+ hisnam.Form("hcorn%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F hcorn(hisnam.Data(),"",256,-0.5,255.5);
+ hisnam.Form("hgain%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F hgain(hisnam.Data(),"",256,-0.5,255.5);
+ hisnam.Form("htptb%02dc%02ds%d",fDDL,fCarlos,fSide);
+ TH1F htptb(hisnam.Data(),"",256,-0.5,255.5);
+ for(Int_t ian=0;ian<fgkNAnodes;ian++){
+ hgood.SetBinContent(ian+1,float(IsAnodeGood(ian)));
+ hbase.SetBinContent(ian+1,GetAnodeBaseline(ian));
+ hnois.SetBinContent(ian+1,GetAnodeRawNoise(ian));
+ hcmn.SetBinContent(ian+1,GetAnodeCommonMode(ian));
+ hcorn.SetBinContent(ian+1,GetAnodeCorrNoise(ian));
+ hgain.SetBinContent(ian+1,GetChannelGain(ian));
+ htptb.SetBinContent(ian+1,GetTimeBinTPPeak(ian));
+ }
+ hgood.Write();
+ hbase.Write();
+ hnois.Write();
+ hcmn.Write();
+ hcorn.Write();
+ hgain.Write();
+ htptb.Write();
+ return kTRUE;
}