#include "TClonesArray.h"
#include "TStopwatch.h"
#include "TParameter.h"
+#include "TF1.h"
// --- AliRoot header files ---
#include "AliRun.h"
#include "AliVZEROLoader.h"
#include "AliVZERODigitizer.h"
#include "AliVZEROBuffer.h"
-#include "AliRunDigitizer.h"
+#include "AliDigitizationInput.h"
#include "AliVZEROdigit.h"
+#include "AliVZEROSDigit.h"
#include "AliDAQ.h"
#include "AliRawReader.h"
+#include "AliCDBManager.h"
+#include "AliCDBEntry.h"
#include "AliVZERORawStream.h"
#include "AliVZEROCalibData.h"
+#include "AliVZERORecoParam.h"
+#include "AliVZEROReconstructor.h"
ClassImp(AliVZERO)
//__________________________________________________________________
fMaxStepQua(0.),
fMaxStepAlu(0.),
fMaxDestepQua(0.),
- fMaxDestepAlu(0.)
+ fMaxDestepAlu(0.),
+ fCalibData(NULL),
+ fTimeSlewing(NULL),
+ fSignalShape(NULL),
+ fRecoParam(NULL)
{
/// Default Constructor
AliDebug(1,Form("default (empty) ctor this=%p",this));
- fIshunt = 0;
+ fIshunt = 0;
+
+ for(Int_t i = 0 ; i < 64; ++i) {
+ fNBins[i] = 0;
+ fBinSize[i] = 0;
+ }
}
+
//_____________________________________________________________________________
AliVZERO::AliVZERO(const char *name, const char *title)
: AliDetector(name,title),
fMaxStepQua(0.05),
fMaxStepAlu(0.01),
fMaxDestepQua(-1.0),
- fMaxDestepAlu(-1.0)
+ fMaxDestepAlu(-1.0),
+ fCalibData(NULL),
+ fTimeSlewing(NULL),
+ fSignalShape(NULL),
+ fRecoParam(NULL)
{
// Standard constructor for VZERO Detector
// fMaxDestepQua = -1.0;
// fMaxDestepAlu = -1.0;
-
+ for(Int_t i = 0 ; i < 64; ++i) {
+ fNBins[i] = 0;
+ fBinSize[i] = 0;
+ }
}
//_____________________________________________________________________________
fDigits->Delete();
delete fDigits;
fDigits=0; }
+ if (fSignalShape) {
+ delete fSignalShape;
+ fSignalShape = NULL;
+ }
+ if (fRecoParam) {
+ delete fRecoParam;
+ fRecoParam = NULL;
+ }
}
//_____________________________________________________________________________
}
//_____________________________________________________________________________
-AliDigitizer* AliVZERO::CreateDigitizer(AliRunDigitizer* manager) const
+AliDigitizer* AliVZERO::CreateDigitizer(AliDigitizationInput* digInput) const
{
//
// Creates a digitizer for VZERO
//
- return new AliVZERODigitizer(manager);
+ return new AliVZERODigitizer(digInput);
}
//_____________________________________________________________________________
AliVZERODigitizer* dig = new AliVZERODigitizer(this,AliVZERODigitizer::kHits2Digits);
// Creates the digits
- dig->Exec("");
+ dig->Digitize("");
+ // deletes the digitizer
+ delete dig;
}
//_____________________________________________________________________________
AliVZERODigitizer* dig = new AliVZERODigitizer(this,AliVZERODigitizer::kHits2SDigits);
// Creates the sdigits
- dig->Exec("");
+ dig->Digitize("");
+ // deletes the digitizer
+ delete dig;
}
//_____________________________________________________________________________
aBBflag[iChannel] = (aBBflagsV0A >> (fVZERODigit->PMNumber()-32)) & 0x1;
aBGflag[iChannel] = (aBGflagsV0A >> (fVZERODigit->PMNumber()-32)) & 0x1;
}
- AliDebug(1,Form("DDL: %s\tdigit number: %d\tPM number: %d\tADC: %f\tTime: %f",
- fileName,k,fVZERODigit->PMNumber(),aADC[k],aTime[k]));
+ AliDebug(1,Form("DDL: %s\tdigit number: %d\tPM number: %d\tADC: %d\tTime: %f",
+ fileName,k,fVZERODigit->PMNumber(),aADC[iChannel][AliVZEROdigit::kNClocks/2],aTime[iChannel]));
}
}
if(!fLoader) {
AliError("no VZERO loader found");
- return kFALSE; }
-
- TTree* treeD = fLoader->TreeD();
- if(!treeD) {
- fLoader->MakeTree("D");
- treeD = fLoader->TreeD(); }
-
- AliVZEROdigit digit;
- AliVZEROdigit* pdigit = &digit;
- const Int_t kBufferSize = 4000;
-
- treeD->Branch("VZERO", "AliVZEROdigit", &pdigit, kBufferSize);
+ return kFALSE;
+ }
+ fLoader->LoadSDigits("UPDATE");
- rawReader->Reset();
- AliVZERORawStream* rawStream = new AliVZERORawStream(rawReader);
+ if (!fLoader->TreeS()) fLoader->MakeTree("S");
+ fLoader->MakeSDigitsContainer();
+ TTree* treeS = fLoader->TreeS();
+
+ TClonesArray *sdigits = new TClonesArray("AliVZEROSDigit", 64);
+ treeS->Branch("VZEROSDigit", &sdigits);
+
+ {
+ rawReader->Reset();
+ AliVZERORawStream rawStream(rawReader);
- if (!rawStream->Next()) return kFALSE; // No VZERO data found
+ if (!rawStream.Next()) return kFALSE; // No VZERO data found
+
+ GetCalibData();
+
+ Int_t nSDigits = 0;
+ Float_t *charges = NULL;
+ Int_t nbins = 0;
+ for(Int_t iChannel=0; iChannel < 64; ++iChannel) {
+ Int_t offlineCh = rawStream.GetOfflineChannel(iChannel);
+ Short_t chargeADC[AliVZEROdigit::kNClocks];
+ for(Int_t iClock=0; iClock < AliVZEROdigit::kNClocks; ++iClock) {
+ chargeADC[iClock] = rawStream.GetPedestal(iChannel,iClock);
+ }
+ // Integrator flag
+ Bool_t integrator = rawStream.GetIntegratorFlag(iChannel,AliVZEROdigit::kNClocks/2);
+ // HPTDC data (leading time and width)
+ Int_t board = AliVZEROCalibData::GetBoardNumber(offlineCh);
+ Float_t time = rawStream.GetTime(iChannel)*fCalibData->GetTimeResolution(board);
+ // Float_t width = rawStream.GetWidth(iChannel)*fCalibData->GetWidthResolution(board);
+ Float_t adc = 0;
+
+ // Pedestal retrieval and suppression
+ Float_t maxadc = 0;
+ Int_t imax = -1;
+ Float_t adcPedSub[AliVZEROdigit::kNClocks];
+ Float_t integral = fSignalShape->Integral(0,200);
+ for(Int_t iClock=0; iClock < AliVZEROdigit::kNClocks; ++iClock) {
+ Bool_t iIntegrator = (iClock%2 == 0) ? integrator : !integrator;
+ Int_t k = offlineCh + 64*iIntegrator;
+ adcPedSub[iClock] = (Float_t)chargeADC[iClock] - fCalibData->GetPedestal(k);
+ if(adcPedSub[iClock] <= fRecoParam->GetNSigmaPed()*fCalibData->GetSigma(k)) {
+ adcPedSub[iClock] = 0;
+ continue;
+ }
+ if(iClock < fRecoParam->GetStartClock() || iClock > fRecoParam->GetEndClock()) continue;
+ if(adcPedSub[iClock] > maxadc) {
+ maxadc = adcPedSub[iClock];
+ imax = iClock;
+ }
+ }
+ if (imax != -1) {
+ Int_t start = imax - fRecoParam->GetNPreClocks();
+ if (start < 0) start = 0;
+ Int_t end = imax + fRecoParam->GetNPostClocks();
+ if (end > 20) end = 20;
+ for(Int_t iClock = start; iClock <= end; iClock++) {
+ adc += adcPedSub[iClock];
+ }
+ }
+ Float_t correctedTime = CorrectLeadingTime(offlineCh,time,adc);
+
+ if (!charges) {
+ nbins = fNBins[offlineCh];
+ charges = new Float_t[nbins];
+ }
+ else if (nbins != fNBins[offlineCh]) {
+ delete [] charges;
+ nbins = fNBins[offlineCh];
+ charges = new Float_t[nbins];
+ }
+ memset(charges,0,nbins*sizeof(Float_t));
+
+ // Now lets produce SDigit
+ if ((correctedTime > (AliVZEROReconstructor::kInvalidTime + 1e-6)) &&
+ (adc > 1e-6)) {
+ for(Int_t iBin = 0; iBin < nbins; ++iBin) {
+ Float_t t = fBinSize[offlineCh]*Float_t(iBin);
+ if ((t < correctedTime) ||
+ (t > (correctedTime+200.))) continue;
+ charges[iBin] = kChargePerADC*adc*(fSignalShape->Eval(t-correctedTime)*fBinSize[offlineCh]/integral);
+ }
+ }
+
+ TClonesArray &sdigitsref = *sdigits;
+ new (sdigitsref[nSDigits++]) AliVZEROSDigit(offlineCh,fNBins[offlineCh],charges);
+ }
+ if (charges) delete [] charges;
+ }
- fLoader->WriteDigits("OVERWRITE");
- fLoader->UnloadDigits();
+ treeS->Fill();
+ fLoader->WriteSDigits("OVERWRITE");
+ fLoader->UnloadSDigits();
- delete rawStream;
-
timer.Stop();
timer.Print();
return kTRUE;
}
+//_____________________________________________________________________________
+void AliVZERO::GetCalibData()
+{
+ // Gets calibration object for VZERO set
+ // Do nothing in case it is already loaded
+ if (fCalibData) return;
+
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/Data");
+ if (entry) fCalibData = (AliVZEROCalibData*) entry->GetObject();
+ if (!fCalibData) AliFatal("No calibration data from calibration database !");
+
+ AliCDBEntry *entry2 = AliCDBManager::Instance()->Get("VZERO/Calib/TimeSlewing");
+ if (!entry2) AliFatal("VZERO time slewing function is not found in OCDB !");
+ fTimeSlewing = (TF1*)entry2->GetObject();
+
+ for(Int_t i = 0 ; i < 64; ++i) {
+ Int_t board = AliVZEROCalibData::GetBoardNumber(i);
+ fNBins[i] = TMath::Nint(((Float_t)(fCalibData->GetMatchWindow(board)+1)*25.0+
+ (Float_t)kMaxTDCWidth*fCalibData->GetWidthResolution(board))/
+ fCalibData->GetTimeResolution(board));
+ fBinSize[i] = fCalibData->GetTimeResolution(board);
+ }
+
+ fSignalShape = new TF1("VZEROSDigitSignalShape",this,&AliVZERO::SignalShape,0,200,6,"AliVZERO","SignalShape");
+ fSignalShape->SetParameters(0,1.57345e1,-4.25603e-1,
+ 2.9,6.40982,3.69339e-01);
+
+ fRecoParam = new AliVZERORecoParam;
+
+ return;
+}
+
+Float_t AliVZERO::CorrectLeadingTime(Int_t i, Float_t time, Float_t adc) const
+{
+ // Correct the leading time
+ // for slewing effect and
+ // misalignment of the channels
+ if (time < 1e-6) return -1024;
+
+ // In case of pathological signals
+ if (adc < 1e-6) return time;
+
+ // Slewing correction
+ Float_t thr = fCalibData->GetCalibDiscriThr(i,kTRUE);
+ time -= fTimeSlewing->Eval(adc/thr);
+ return time;
+}
+
+double AliVZERO::SignalShape(double *x, double *par)
+{
+ // this function simulates the signal
+ // shape used in Raw->SDigits method
+
+ Double_t xx = x[0];
+ if (xx <= par[0]) return 0;
+ Double_t a = 1./TMath::Power((xx-par[0])/par[1],1./par[2]);
+ if (xx <= par[3]) return a;
+ Double_t b = 1./TMath::Power((xx-par[3])/par[4],1./par[5]);
+ Double_t f = a*b/(a+b);
+ AliDebug(100,Form("x=%f func=%f",xx,f));
+ return f;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff