/* $Id$ */
+/******************************************************************
+ * Produde digits from hits
+ * digits is TObject and includes
+ * We are writing array if C & A TDC
+ * C & A ADC (will need for slow simulation)
+ * TOF first particle C & A
+ * mean time and time difference (vertex position)
+ *
+ * Alla.Maevskaya@cern.ch
+ ****************************************************************/
+
+
#include <TArrayI.h>
-#include <TDirectory.h>
-#include <TError.h>
#include <TFile.h>
#include <TGraph.h>
#include <TH1F.h>
#include "AliT0.h"
#include "AliT0hit.h"
#include "AliT0digit.h"
-#include "AliRunDigitizer.h"
-#include <AliDetector.h>
+#include "AliDigitizationInput.h"
#include "AliRun.h"
#include <AliLoader.h>
#include <AliRunLoader.h>
#include <stdlib.h>
-#include <Riostream.h>
-#include <Riostream.h>
#include "AliT0Parameters.h"
-#include "AliCDBLocal.h"
-#include "AliCDBStorage.h"
-#include "AliCDBManager.h"
-#include "AliCDBEntry.h"
ClassImp(AliT0Digitizer)
//___________________________________________
- AliT0Digitizer::AliT0Digitizer() :AliDigitizer()
+ AliT0Digitizer::AliT0Digitizer() :AliDigitizer(),
+ fT0(0),
+ fHits(0),
+ fdigits(0),
+ ftimeCFD(new TArrayI(24)),
+ ftimeLED (new TArrayI(24)),
+ fADC(new TArrayI(24)),
+ fADC0 (new TArrayI(24)),
+ fSumMult(0),
+ fAmpLED(0),
+ fAmpQTC(0),
+ fParam(0)
{
// Default ctor - don't use it
;
}
//___________________________________________
-AliT0Digitizer::AliT0Digitizer(AliRunDigitizer* manager)
- :AliDigitizer(manager),
+AliT0Digitizer::AliT0Digitizer(AliDigitizationInput* digInput)
+ :AliDigitizer(digInput),
fT0(0),
fHits(0),
fdigits(0),
- ftimeCFD(0),
- ftimeLED(0),
- fADC(0),
- fADC0(0)
+ ftimeCFD(new TArrayI(24)),
+ ftimeLED (new TArrayI(24)),
+ fADC(new TArrayI(24)),
+ fADC0 (new TArrayI(24)),
+ fSumMult(0),
+ fAmpLED(0),
+ fAmpQTC(0),
+ fParam(0)
{
// ctor which should be used
AliDebug(1,"processed");
+ fParam = AliT0Parameters::Instance();
+ fParam->Init();
- fT0 = 0;
- fHits = 0;
- fdigits = 0;
-
- ftimeCFD = new TArrayI(24);
- fADC = new TArrayI(24);
- ftimeLED = new TArrayI(24);
- fADC0 = new TArrayI(24);
-
+ for (Int_t i=0; i<24; i++){
+ TGraph* gr = fParam ->GetAmpLED(i);
+ if(gr) {
+ Int_t np = gr->GetN();
+ Double_t *x = gr->GetX();
+ Double_t *y = gr->GetY();
+
+ Double_t *x1 = new Double_t[np];
+ Double_t *y1 = new Double_t[np];
+ for (Int_t ii=0; ii<np; ii++) {
+ y1[ii]=y[np-ii-1];
+ x1[ii]=x[np-ii-1];
+ }
+ TGraph *grInverse = new TGraph(np,y1,x1);
+ fAmpLED.AddAtAndExpand(grInverse,i);
+ if (x1) delete [] x1;
+ if (y1) delete [] y1;
+ }
+ }
+ for (Int_t i=0; i<24; i++){
+ TGraph* grq = fParam ->GetQTC(i);
+ if(grq){
+ Int_t npq = grq->GetN();
+ Double_t *xq = grq->GetX();
+ Double_t *yq = grq->GetY();
+ Double_t *x1q = new Double_t[npq];
+ Double_t *y1q = new Double_t[npq];
+ for (Int_t ii=1; ii<npq; ii++) {
+ y1q[ii]=yq[ii-1];
+ x1q[ii]=xq[ii-1];
+ }
+ TGraph *grInverseQTC = new TGraph(npq,y1q,x1q);
+ fAmpQTC.AddAtAndExpand(grInverseQTC,i);
+ if (x1q) delete [] x1q;
+ if (y1q) delete [] y1q;
+ }
+ }
}
+
//------------------------------------------------------------------------
AliT0Digitizer::~AliT0Digitizer()
{
delete fADC;
delete ftimeLED;
delete fADC0;
+ // delete fAmpLED;
}
- //------------------------------------------------------------------------
+//------------------------------------------------------------------------
Bool_t AliT0Digitizer::Init()
{
// Initialization
return kTRUE;
}
-
//---------------------------------------------------------------------
-
-void AliT0Digitizer::Exec(Option_t* /*option*/)
+void AliT0Digitizer::Digitize(Option_t* /*option*/)
{
/*
Produde digits from hits
digits is TObject and includes
- We are writing array if left & right TDC
- left & right ADC (will need for slow simulation)
- TOF first particle left & right
+ We are writing array if C & A TDC
+ C & A ADC (will need for slow simulation)
+ TOF first particle C & A
mean time and time difference (vertex position)
*/
//output loader
- AliRunLoader *outRL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
+ AliRunLoader *outRL = AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName());
AliLoader * pOutStartLoader = outRL->GetLoader("T0Loader");
AliDebug(1,"start...");
//
// From hits to digits
//
- Int_t hit, nhits;
+ 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 sl=0, qt=0;
+ Int_t bestATDC=0;
+ Int_t bestCTDC=0;
+ Float_t qtCh=0;
Float_t time[24], besttime[24], timeGaus[24] ;
- //Q->T-> coefficients !!!! should be asked!!!
- Float_t gain[24],timeDelayCFD[24], timeDelayLED[24];
+ //Q->T-> coefficients !!!! should be asked!!!
+ Float_t timeDelayCFD[24];
Int_t threshold =50; //photoelectrons
Float_t zdetA, zdetC;
- Int_t sumMultCoeff = 100;
- TObjArray slewingLED;
- TObjArray slewingRec;
- AliT0Parameters* param = AliT0Parameters::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);
+ Int_t sumMultCoeff = 100;
+ Int_t refpoint=0;
+
+ Int_t ph2Mip = fParam->GetPh2Mip();
+ Float_t channelWidth = fParam->GetChannelWidth() ;
+ Float_t delayVertex = fParam->GetTimeDelayTVD();
+
+
+ zdetC = TMath::Abs(fParam->GetZPosition("T0/C/PMT1"));
+ zdetA = TMath::Abs(fParam->GetZPosition("T0/A/PMT15"));
+ // printf(" !!!!!Z det A = %f C = % f",zdetA,zdetC);
AliT0hit *startHit;
TBranch *brHits=0;
- Int_t nFiles=fManager->GetNinputs();
+ Int_t nFiles=fDigInput->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 pmtBestRight=9999;
- Int_t pmtBestLeft=9999;
- Int_t timeDiff=999, meanTime=0;
+ Float_t slew = 0;
+ Float_t besttimeC=99999.;
+ Float_t besttimeA=99999.;
+ Int_t pmtBestC=99999;
+ Int_t pmtBestA=99999;
+ Int_t timeDiff=99999, meanTime=99999;
Int_t sumMult =0; fSumMult=0;
- bestRightTDC = 99999; bestLeftTDC = 99999;
+ bestATDC = 99999; bestCTDC = 99999;
+
ftimeCFD -> Reset();
fADC -> Reset();
fADC0 -> Reset();
ftimeLED ->Reset();
for (Int_t i0=0; i0<24; i0++)
{
- time[i0]=besttime[i0]=timeGaus[i0]=99999; countE[i0]=0;
+ time[i0]=besttime[i0]=timeGaus[i0]=999999; countE[i0]=0;
}
- AliRunLoader * inRL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile));
+ AliRunLoader * inRL = AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(inputFile));
AliLoader * pInStartLoader = inRL->GetLoader("T0Loader");
if (!inRL->GetAliRun()) inRL->LoadgAlice();
- AliT0 *fT0 = (AliT0*)inRL ->GetAliRun()->GetDetector("T0");
+ fT0 = (AliT0*)inRL ->GetAliRun()->GetDetector("T0");
//read Hits
pInStartLoader->LoadHits("READ");//probably it is necessary to load them before
- TClonesArray *fHits = fT0->Hits ();
+ fHits = fT0->Hits ();
TTree *th = pInStartLoader->TreeH();
brHits = th->GetBranch("T0");
if (brHits) {
fT0->SetHitsAddressBranch(brHits);
}else{
- AliError("Branch T0 hit not found");
- exit(111);
+ AliWarning("Branch T0 hit not found for this event");
+ // fT0->AddDigit(bestATDC,bestCTDC,meanTime,timeDiff,fSumMult, refpoint,
+ // ftimeCFD,fADC0,ftimeLED,fADC);
+ continue;
}
Int_t ntracks = (Int_t) th->GetEntries();
Double_t e=startHit->Etot();
volume = startHit->Volume();
- // if(e>0 && RegisterPhotoE(numpmt,e)) {
if(e>0 ) {
countE[numpmt]++;
besttime[numpmt] = startHit->Time();
} //hits loop
} //track loop
- //spread time right&left by 25ps && besttime
+ //spread time A&C 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)+koef;
- if(timeGaus[ipmt]<besttimeleft){
- besttimeleft=timeGaus[ipmt]; //timeleft
- pmtBestLeft=ipmt;}
- }
+ if(timeGaus[ipmt]<besttimeC){
+ besttimeC=timeGaus[ipmt]; //timeC
+ pmtBestC=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
- pmtBestRight=ipmt;}
+ if(timeGaus[ipmt]<besttimeA) {
+ besttimeA=timeGaus[ipmt]; //timeA
+ pmtBestA=ipmt;}
}
}
- //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));
+ timeDelayCFD[0] = fParam->GetTimeDelayCFD(0);
+
for (Int_t i=0; i<24; i++)
{
Float_t al = countE[i];
// 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
+ qt= al/ph2Mip; // 50mv/Mip amp in mV
+ // before will we have calibration for high multiplicity
+ // if (qt > 115.) qt =115.; //must be fix!!!
// 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;
+ timeDelayCFD[i] = fParam->GetTimeDelayCFD(i);
+ trCFD = Int_t (timeGaus[i]/channelWidth + timeDelayCFD[i]);
+
+ TGraph* gr = ((TGraph*)fAmpLED.At(i));
+ if(gr) sl = gr->Eval(qt);
+
+ TGraph* gr1 = ((TGraph*)fAmpQTC.At(i));
+ if(gr1) qtCh = gr1->Eval(qt);
fADC0->AddAt(0,i);
- fADC->AddAt(qtCh,i);
- ftimeCFD->AddAt(Int_t (trCFD),i);
- ftimeLED->AddAt(trLED,i);
+ if(qtCh)
+ fADC->AddAt(Int_t(qtCh),i);
// sumMult += Int_t ((al*gain[i]/ph2Mip)*50) ;
- sumMult += Int_t (qt/sumMultCoeff) ;
+ sumMult += Int_t (qtCh/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));
+ // put slewing
+ TGraph *fu=(TGraph*) fParam ->GetWalk(i);
+ if(fu) slew=fu->Eval(Float_t(qtCh));
+
+ // trCFD=trCFD-Int_t(fMaxValue[i]-slew);
+ trCFD = trCFD + Int_t(slew); //for the same channel as cosmic
+ ftimeCFD->AddAt(Int_t (trCFD),i);
+ trLED = Int_t(trCFD + sl );
+ ftimeLED->AddAt(trLED,i);
+ AliDebug(1,Form(" pmt %i : delay %f time in ns %f time in channels %i LEd %i ", i, timeDelayCFD[i], timeGaus[i],trCFD, trLED ));
+ AliDebug(1,Form(" qt in MIP %f led-cfd in %f qt in channels %f ",qt, sl, qtCh));
+
}
} //pmt loop
+ //folding with alignmentz position distribution
+ if( besttimeC > 10000. && besttimeC <15000)
+ bestCTDC=Int_t ((besttimeC+timeDelayCFD[pmtBestC])
+ /channelWidth);
+
+ if( besttimeA > 10000. && besttimeA <15000)
+ bestATDC=Int_t ((besttimeA+timeDelayCFD[pmtBestA])
+ /channelWidth);
+
+ if (bestATDC < 99999 && bestCTDC < 99999)
+ {
+ timeDiff=Int_t (((besttimeC-besttimeA)+1000*delayVertex)
+ /channelWidth);
+ meanTime=Int_t (((besttimeC+besttimeA)/2. )/channelWidth);
+ }
+
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 ",
+ AliDebug(10,Form("summult mv %i mult in chammens %i in ps %f ",
sumMult, fSumMult, fSumMult*channelWidth));
}
- // if ( besttimeright<99999 || besttimeleft < 99999) {
- fT0->AddDigit(bestRightTDC,bestLeftTDC,meanTime,timeDiff,fSumMult,
- ftimeCFD,fADC,ftimeLED,fADC0);
- // }
+ fT0->AddDigit(bestATDC,bestCTDC,meanTime,timeDiff,fSumMult, refpoint,
+ ftimeCFD,fADC0,ftimeLED,fADC);
- AliDebug(10,Form(" Digits wrote bestRightTDC %i bestLeftTDC %i meanTime %i timeDiff %i fSumMult %i ", bestRightTDC,bestLeftTDC,meanTime,timeDiff,fSumMult ));
+
+ AliDebug(10,Form(" Digits wrote refpoint %i bestATDC %i bestCTDC %i meanTime %i timeDiff %i fSumMult %i ",refpoint ,bestATDC,bestCTDC,meanTime,timeDiff,fSumMult ));
pOutStartLoader->UnloadHits();
} //input streams loop
pOutStartLoader->UnloadDigits();
}
-
-
-//------------------------------------------------------------------------
-Bool_t AliT0Digitizer::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
- Float_t lambda=hc/energy;
- Float_t eff = ((TGraph*) fEffPMT.At(ipmt))->Eval(lambda);
- Double_t p = gRandom->Rndm();
-
- if (p > eff)
- return kFALSE;
-
- return kTRUE;
-}
-
-//----------------------------------------------------------------------------