#include <TArrayI.h>
#include <TError.h>
#include <TH1F.h>
+#include <TGraph.h>
#include "AliLog.h"
#include "AliSTARTDigitizer.h"
#include <stdlib.h>
#include <Riostream.h>
#include <Riostream.h>
+#include "AliSTARTParameters.h"
+#include "AliCDBLocal.h"
+#include "AliCDBStorage.h"
+#include "AliCDBManager.h"
+#include "AliCDBEntry.h"
ClassImp(AliSTARTDigitizer)
fSTART(0),
fHits(0),
fdigits(0),
- ftimeTDC(0),
+ ftimeCFD(0),
+ ftimeLED(0),
fADC(0),
- ftimeTDCAmp(0),
- fADCAmp(0),
- fSumMult(0),
- fEff(0)
+ fADC0(0)
{
- // cout<<"AliSTARTDigitizer::AliSTARTDigitizer"<<endl;
// ctor which should be used
AliDebug(1,"processed");
fHits = 0;
fdigits = 0;
- ftimeTDC = new TArrayI(24);
+ ftimeCFD = new TArrayI(24);
fADC = new TArrayI(24);
- ftimeTDCAmp = new TArrayI(24);
- fADCAmp = new TArrayI(24);
- fSumMult = new TArrayI(6);
+ ftimeLED = new TArrayI(24);
+ fADC0 = new TArrayI(24);
- TFile* file = TFile::Open("$ALICE_ROOT/START/PMTefficiency.root");
- fEff = (TH1F*) file->Get("hEff")->Clone();
- fEff->SetDirectory(NULL);
- file->Close();
- delete file;
}
//------------------------------------------------------------------------
AliDebug(1,"START");
- delete ftimeTDC;
+ delete ftimeCFD;
delete fADC;
- delete fEff;
- delete ftimeTDCAmp;
- delete fADCAmp;
- delete fSumMult;
+ delete ftimeLED;
+ delete fADC0;
}
//------------------------------------------------------------------------
//output loader
AliRunLoader *outRL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
AliLoader * pOutStartLoader = outRL->GetLoader("STARTLoader");
- AliSTART *fSTART = (AliSTART*)outRL ->GetAliRun()->GetDetector("START");
AliDebug(1,"start...");
- cout<<" AliSTARTDigitizer::Exec "<<endl;
//input loader
//
// From hits to digits
//
- Int_t hit, nhits;
- Int_t countE[24], sumMult[3];
- Int_t volume,pmt,tr,qt,qtAmp;
- Int_t bestRightTDC,bestLeftTDC;
- Float_t time[24],besttime[24], timeGaus[24] ;
- Float_t channelWidth=25.; //ps
+ Int_t hit, nhits;
+ Int_t countE[24];
+ Int_t volume, pmt, trCFD, trLED;
+ Float_t sl, qt;
+ Int_t bestRightTDC, bestLeftTDC, qtCh;
+ Float_t time[24], besttime[24], timeGaus[24] ;
//Q->T-> coefficients !!!! should be asked!!!
- Float_t ph2mV = 150./500.;
+ Float_t gain[24],timeDelayCFD[24], timeDelayLED[24];
Int_t threshold =50; //photoelectrons
- Int_t mV2channel=200000/(25*25); //5V -> 200ns
+ Float_t zdetA, zdetC;
+ Int_t sumMultCoeff = 100;
+ TObjArray slewingLED;
+ TObjArray slewingRec;
+ AliSTARTParameters* param = AliSTARTParameters::Instance();
+ param->Init();
+ Int_t ph2Mip = param->GetPh2Mip();
+ Int_t channelWidth = param->GetChannelWidth() ;
+ Float_t delayVertex = param->GetTimeDelayTVD();
+ for (Int_t i=0; i<24; i++){
+ timeDelayCFD[i] = param->GetTimeDelayCFD(i);
+ timeDelayLED[i] = param->GetTimeDelayLED(i);
+ gain[i] = param->GetGain(i);
+ TGraph* gr = param ->GetSlew(i);
+ slewingLED.AddAtAndExpand(gr,i);
+
+ TGraph* gr1 = param ->GetSlewRec(i);
+ slewingRec.AddAtAndExpand(gr1,i);
+
+ TGraph* grEff = param ->GetPMTeff(i);
+ fEffPMT.AddAtAndExpand(grEff,i);
+ }
+ zdetC = param->GetZposition(0);
+ zdetA = param->GetZposition(1);
AliSTARThit *startHit;
TBranch *brHits=0;
-
+
Int_t nFiles=fManager->GetNinputs();
for (Int_t inputFile=0; inputFile<nFiles; inputFile++) {
if (inputFile < nFiles-1) {
- AliWarning(Form("ignoring input stream %d", inputFile));
- continue;
-
+ AliWarning(Form("ignoring input stream %d", inputFile));
+ continue;
+
}
Float_t besttimeright=99999.;
Float_t besttimeleft=99999.;
- Int_t timeDiff, meanTime;
-
+ Int_t pmtBestRight=9999;
+ Int_t pmtBestLeft=9999;
+ Int_t timeDiff=999, meanTime=0;
+ Int_t sumMult =0; fSumMult=0;
+ bestRightTDC = 99999; bestLeftTDC = 99999;
+
+ ftimeCFD -> Reset();
+ fADC -> Reset();
+ fADC0 -> Reset();
+ ftimeLED ->Reset();
for (Int_t i0=0; i0<24; i0++)
{
- time[i0]=99999; besttime[i0]=99999; countE[i0]=0;
+ time[i0]=besttime[i0]=timeGaus[i0]=99999; countE[i0]=0;
}
- for ( Int_t imu=0; imu<3; imu++) sumMult[imu]=0;
AliRunLoader * inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile));
AliLoader * pInStartLoader = inRL->GetLoader("STARTLoader");
if (!inRL->GetAliRun()) inRL->LoadgAlice();
+ AliSTART *fSTART = (AliSTART*)inRL ->GetAliRun()->GetDetector("START");
//read Hits
pInStartLoader->LoadHits("READ");//probably it is necessary to load them before
}
pmt=startHit->Pmt();
Int_t numpmt=pmt-1;
- Double_t e=startHit->Etot();
+ Double_t e=startHit->Etot();
volume = startHit->Volume();
- if(e>0 && RegisterPhotoE(e)) {
+ // if(e>0 && RegisterPhotoE(numpmt,e)) {
+ if(e>0 ) {
countE[numpmt]++;
besttime[numpmt] = startHit->Time();
if(besttime[numpmt]<time[numpmt])
{
time[numpmt]=besttime[numpmt];
}
- }
+ } //photoelectron accept
} //hits loop
} //track loop
//spread time right&left by 25ps && besttime
+ Float_t c = 0.0299792; // cm/ps
+
+ Float_t koef=(zdetA-zdetC)/c; //correction position difference by cable
for (Int_t ipmt=0; ipmt<12; ipmt++){
if(countE[ipmt] > threshold) {
- timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25);
- if(timeGaus[ipmt]<besttimeleft) besttimeleft=timeGaus[ipmt]; //timeleft
- sumMult[0] += countE[ipmt];
- sumMult[1] += countE[ipmt];
- }
+ timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25)+koef;
+ if(timeGaus[ipmt]<besttimeleft){
+ besttimeleft=timeGaus[ipmt]; //timeleft
+ pmtBestLeft=ipmt;}
+ }
}
- for ( Int_t ipmt=12; ipmt<24; ipmt++){
+ for ( Int_t ipmt=12; ipmt<24; ipmt++){
if(countE[ipmt] > threshold) {
timeGaus[ipmt]=gRandom->Gaus(time[ipmt],25);
- if(timeGaus[ipmt]<besttimeright) besttimeright=timeGaus[ipmt]; //timeright
- sumMult[0] += countE[ipmt];
- sumMult[2] += countE[ipmt];
+ if(timeGaus[ipmt]<besttimeright) {
+ besttimeright=timeGaus[ipmt]; //timeright
+ pmtBestRight=ipmt;}
}
}
- //ADC features fill digits
- //folding with experimental time distribution
- Float_t c = 0.0299792; // cm/ps
- Float_t koef=(350.-69.7)/c;
- Float_t besttimeleftR= besttimeleft;
- besttimeleft=koef+besttimeleft;
- bestLeftTDC=Int_t (besttimeleftR/channelWidth);
- bestRightTDC=Int_t (besttimeright/channelWidth);
- timeDiff=Int_t ((besttimeright-besttimeleftR)/channelWidth);
- meanTime=Int_t (((besttimeright+besttimeleft)/2.)/channelWidth);
- AliDebug(2,Form(" time in ns %f ", besttimeleft));
+ //folding with alignmentz position distribution
+ if( besttimeleft > 10000. && besttimeleft <15000)
+ bestLeftTDC=Int_t ((besttimeleft+1000*timeDelayCFD[pmtBestLeft])
+ /channelWidth);
+
+ if( besttimeright > 10000. && besttimeright <15000)
+ bestRightTDC=Int_t ((besttimeright+1000*timeDelayCFD[pmtBestRight])
+ /channelWidth);
+
+ if (bestRightTDC < 99999 && bestLeftTDC < 99999)
+ {
+ timeDiff=Int_t (((besttimeleft-besttimeright)+1000*delayVertex)
+ /channelWidth);
+ meanTime=Int_t (((besttimeright+1000*timeDelayCFD[pmtBestLeft]+
+ besttimeleft+1000*timeDelayCFD[pmtBestLeft])/2.)
+ /channelWidth);
+ }
+ AliDebug(10,Form(" time right& left %i %i time diff && mean time in channels %i %i",bestRightTDC,bestLeftTDC, timeDiff, meanTime));
for (Int_t i=0; i<24; i++)
{
- // fill TDC
- tr= Int_t (timeGaus[i]/channelWidth);
- if(timeGaus[i]>50000) tr=0;
-
- //fill ADC
- Int_t al= countE[i];
- // QTC procedure:
- // phe -> mV 0.3; 1MIP ->500phe -> ln (amp (mV)) = 5;
- // max 200ns, HIJING mean 50000phe -> 15000mv -> ln = 15 (s zapasom)
- // channel 25ps
- if (al>threshold) {
- qt=Int_t (TMath::Log(al*ph2mV) * mV2channel);
- qtAmp=Int_t (TMath::Log(al*10*ph2mV) * mV2channel);
- cout<<i<<" "<<qt<<" "<<qtAmp<<endl;
- fADC->AddAt(qt,i);
- ftimeTDC->AddAt(tr,i);
- fADCAmp->AddAt(qtAmp,i);
- ftimeTDCAmp->AddAt(tr,i); //now is the same as non-amplified but will be change
+ Float_t al = countE[i];
+ if (al>threshold && timeGaus[i]<50000 ) {
+ //fill ADC
+ // QTC procedure:
+ // phe -> mV 0.3; 1MIP ->500phe -> ln (amp (mV)) = 5;
+ // max 200ns, HIJING mean 50000phe -> 15000mv -> ln = 15 (s zapasom)
+ // channel 25ps
+ qt= 50.*al*gain[i]/ph2Mip; // 50mv/Mip amp in mV
+ // fill TDC
+ trCFD = Int_t (timeGaus[i] + 1000.*timeDelayCFD[i])/channelWidth;
+ trLED= Int_t (timeGaus[i] + 1000.*timeDelayLED[i]);
+ sl = ((TGraph*)slewingLED.At(i))->Eval(qt);
+ trLED = Int_t(( trLED + 1000*sl )/channelWidth);
+ qtCh=Int_t (1000.*TMath::Log(qt)) / channelWidth;
+ fADC0->AddAt(0,i);
+ fADC->AddAt(qtCh,i);
+ ftimeCFD->AddAt(Int_t (trCFD),i);
+ ftimeLED->AddAt(trLED,i);
+ // sumMult += Int_t ((al*gain[i]/ph2Mip)*50) ;
+ sumMult += Int_t (qt/sumMultCoeff) ;
+
+ AliDebug(10,Form(" pmt %i : time in ns %f time in channels %i ",
+ i, timeGaus[i],trCFD ));
+ AliDebug(10,Form(" qt in mV %f qt in ns %f qt in channels %i ",qt,
+ TMath::Log(qt), qtCh));
}
} //pmt loop
- for (Int_t im=0; im<3; im++)
- {
- if (sumMult[im]>threshold){
- Int_t sum=Int_t (TMath::Log(sumMult[im]*ph2mV) * mV2channel);
- Int_t sumAmp=Int_t (TMath::Log(10*sumMult[im]*ph2mV) * mV2channel);
- fSumMult->AddAt(sum,im);
- fSumMult->AddAt(sumAmp,im+3);
- }
- }
- fSTART->AddDigit(bestRightTDC,bestLeftTDC,meanTime,timeDiff,fSumMult,
- ftimeTDC,fADC,ftimeTDCAmp,fADCAmp);
+ if (sumMult > threshold){
+ fSumMult = Int_t (1000.* TMath::Log(Double_t(sumMult) / Double_t(sumMultCoeff))
+ /channelWidth);
+ AliDebug(10,Form("summult mv %i mult in chammens %i in ps %i ",
+ sumMult, fSumMult, fSumMult*channelWidth));
+ }
+ // if ( besttimeright<99999 || besttimeleft < 99999) {
+
+ fSTART->AddDigit(bestRightTDC,bestLeftTDC,meanTime,timeDiff,fSumMult,
+ ftimeCFD,fADC,ftimeLED,fADC0);
+ // }
+
+ AliDebug(10,Form(" Digits wrote bestRightTDC %i bestLeftTDC %i meanTime %i timeDiff %i fSumMult %i ", bestRightTDC,bestLeftTDC,meanTime,timeDiff,fSumMult ));
pOutStartLoader->UnloadHits();
} //input streams loop
pOutStartLoader->MakeTree("D");
treeD = pOutStartLoader->TreeD();
}
+ treeD->Reset();
+ fSTART = (AliSTART*)outRL ->GetAliRun()->GetDetector("START");
+ // Make a branch in the tree
fSTART->MakeBranch("D");
- treeD->Reset();
treeD->Fill();
- pOutStartLoader->WriteDigits("OVERWRITE");
-
- fSTART->ResetDigits();
- pOutStartLoader->UnloadDigits();
-
+ pOutStartLoader->WriteDigits("OVERWRITE");
+
+ fSTART->ResetDigits();
+ pOutStartLoader->UnloadDigits();
+
}
//------------------------------------------------------------------------
-Bool_t AliSTARTDigitizer::RegisterPhotoE(Double_t energy)
+Bool_t AliSTARTDigitizer::RegisterPhotoE(Int_t ipmt,Double_t energy)
{
// Float_t hc=197.326960*1.e6; //mev*nm
Double_t hc=1.973*1.e-6; //gev*nm
- // cout<<"AliSTARTDigitizer::RegisterPhotoE >> energy "<<energy<<endl;
Float_t lambda=hc/energy;
- Int_t bin= fEff->GetXaxis()->FindBin(lambda);
- Float_t eff=fEff->GetBinContent(bin);
+ Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda);
Double_t p = gRandom->Rndm();
+
if (p > eff)
return kFALSE;
return kTRUE;
}
+
//----------------------------------------------------------------------------
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff