#include "AliVZEROReconstructor.h"
#include "AliVZERORawStream.h"
#include "AliESDEvent.h"
+#include "AliVZEROTriggerMask.h"
ClassImp(AliVZEROReconstructor)
// Get calibration data
// fCalibData = GetCalibData();
+
}
AliVZEROReconstructor::~AliVZEROReconstructor()
{
// destructor
- delete fESDVZERO;
-
+
+ delete fESDVZERO;
}
//_____________________________________________________________________________
-void AliVZEROReconstructor::Init(AliRunLoader* /*runLoader*/)
+void AliVZEROReconstructor::Init()
{
// initializer
//______________________________________________________________________
void AliVZEROReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
{
-// converts to digits
+// converts RAW to digits - pedestal is subtracted
if (!digitsTree) {
AliError("No digits tree!");
rawReader->Reset();
AliVZERORawStream rawStream(rawReader);
- if (rawStream.Next()) {
- for(Int_t iChannel = 0; iChannel < 64; iChannel++) {
- Int_t adc = rawStream.GetADC(iChannel);
- Int_t time = rawStream.GetTime(iChannel);
- new ((*digitsArray)[digitsArray->GetEntriesFast()])
- AliVZEROdigit(iChannel,adc,time);
- }
+ if (rawStream.Next()) {
+ Int_t ADC_max[64], adc[64], time[64];
+ for(Int_t i=0; i<64; i++) {
+ // Search for the maximum charge in the train of 21 LHC clocks
+ // regardless of the integrator which has been operated:
+ ADC_max[i] = 0;
+ for(Int_t iClock=0; iClock<21; iClock++){
+ if((Int_t)rawStream.GetPedestal(i,iClock) > ADC_max[i])
+ {ADC_max[i]=(Int_t)rawStream.GetPedestal(i,iClock);}
+ }
+ // Convert i (FEE channel numbering) to j (aliroot channel numbering)
+ Int_t j = rawStream.GetOfflineChannel(i);
+ adc[j] = ADC_max[i];
+ time[j] = rawStream.GetTime(i);
+ }
+ // Channels(aliroot numbering) will be ordered in the tree
+ for(Int_t iChannel = 0; iChannel < 64; iChannel++) {
+ new ((*digitsArray)[digitsArray->GetEntriesFast()])
+ AliVZEROdigit(iChannel,adc[iChannel],time[iChannel]);
+ }
}
digitsTree->Fill();
TBranch* digitBranch = digitsTree->GetBranch("VZERODigit");
digitBranch->SetAddress(&digitsArray);
- Int_t nbPMV0A = 0;
- Int_t nbPMV0C = 0;
- Int_t mTotV0A = 0;
- Int_t mTotV0C = 0;
- Float_t adcV0A = 0.0;
- Float_t adcV0C = 0.0;
- Float_t multV0A[4];
- Float_t multV0C[4];
- Int_t mRingV0A[4];
- Int_t mRingV0C[4];
-
- Int_t adc[64];
- Float_t mip[64];
+ Short_t Multiplicity[64];
+ Float_t mult[64];
+ Short_t adc[64];
+ Short_t time[64];
for (Int_t i=0; i<64; i++){
adc[i] = 0;
- mip[i] = 110.0;}
- for (Int_t j=0; j<4; j++){
- multV0A[j] = 0.0;
- multV0C[j] = 0.0;
- mRingV0A[j] = 0;
- mRingV0C[j] = 0;}
+ mult[i]= 0.0;
+ }
- // loop over VZERO entries
+ // loop over VZERO entries to get multiplicity
Int_t nEntries = (Int_t)digitsTree->GetEntries();
for (Int_t e=0; e<nEntries; e++) {
digitsTree->GetEvent(e);
Int_t nDigits = digitsArray->GetEntriesFast();
for (Int_t d=0; d<nDigits; d++) {
- AliVZEROdigit* digit = (AliVZEROdigit*)digitsArray->At(d);
- Int_t pmNumber = digit->PMNumber();
- adc[pmNumber] = digit->ADC();
- // cut of ADC at MIP/2
- if (adc[pmNumber] > (mip[pmNumber]/2)) {
- if (pmNumber<=31) {
- if (pmNumber<=7) multV0C[0]=multV0C[0]+ float(adc[pmNumber])/mip[pmNumber];
- if (pmNumber>=8 && pmNumber<=15) multV0C[1]=multV0C[1]+ float(adc[pmNumber])/mip[pmNumber];
- if (pmNumber>=16 && pmNumber<=23) multV0C[2]=multV0C[2]+ float(adc[pmNumber])/mip[pmNumber];
- if (pmNumber>=24 && pmNumber<=31) multV0C[3]=multV0C[3]+ float(adc[pmNumber])/mip[pmNumber];
- adcV0C = adcV0C + float(adc[pmNumber])/mip[pmNumber];
- nbPMV0C++;
- }
- if (pmNumber>=32 ) {
- if (pmNumber>=32 && pmNumber<=39) multV0A[0]=multV0A[0]+ float(adc[pmNumber])/mip[pmNumber];
- if (pmNumber>=40 && pmNumber<=47) multV0A[1]=multV0A[1]+ float(adc[pmNumber])/mip[pmNumber];
- if (pmNumber>=48 && pmNumber<=55) multV0A[2]=multV0A[2]+ float(adc[pmNumber])/mip[pmNumber];
- if (pmNumber>=56 && pmNumber<=63) multV0A[3]=multV0A[3]+ float(adc[pmNumber])/mip[pmNumber];
- adcV0A = adcV0A + float(adc[pmNumber])/mip[pmNumber];
- nbPMV0A++;
- }
- }
+ AliVZEROdigit* digit = (AliVZEROdigit*)digitsArray->At(d);
+ Int_t pmNumber = digit->PMNumber();
+ // Pedestal retrieval and suppression:
+ Int_t pedestal = int(fCalibData->GetPedestal(d));
+ adc[pmNumber] = (Short_t) digit->ADC() - pedestal;
+ time[pmNumber] = (Short_t) digit->Time();
+ // printf("PM = %d, MIP per ADC channel = %f \n",pmNumber, GetMIP(pmNumber));
+ // cut of ADC at 1MIP/2
+ if (adc[pmNumber] > (int(1.0/GetMIP(pmNumber)) /2) )
+ mult[pmNumber] += float(adc[pmNumber])*GetMIP(pmNumber);
} // end of loop over digits
-
} // end of loop over events in digits tree
- mTotV0A = int(adcV0A + 0.5);
- mTotV0C = int(adcV0C + 0.5);
- for (Int_t j=0; j<4; j++){
- mRingV0A[j] = int(multV0A[j] + 0.5);
- mRingV0C[j] = int(multV0C[j] + 0.5);}
-
- AliDebug(1,Form("VZERO multiplicities : %d (V0A) %d (V0C)", mTotV0A, mTotV0C));
- AliDebug(1,Form("Number of PMs fired : %d (V0A) %d (V0C)", nbPMV0A, nbPMV0C));
-
- fESDVZERO->SetNbPMV0A(nbPMV0A);
- fESDVZERO->SetNbPMV0C(nbPMV0C);
- fESDVZERO->SetMTotV0A(mTotV0A);
- fESDVZERO->SetMTotV0C(mTotV0C);
- fESDVZERO->SetMRingV0A(mRingV0A);
- fESDVZERO->SetMRingV0C(mRingV0C);
+ for (Int_t j=0; j<64; j++) Multiplicity[j] = short(mult[j]+0.5);
+ fESDVZERO->SetMultiplicity(Multiplicity);
+ fESDVZERO->SetADC(adc);
+ fESDVZERO->SetTime(time);
+
+ // now get the trigger mask
+
+ AliVZEROTriggerMask *TriggerMask = new AliVZEROTriggerMask();
+ TriggerMask->SetAdcThreshold(20.0/2.0);
+ TriggerMask->SetTimeWindowWidthBBA(50);
+ TriggerMask->SetTimeWindowWidthBGA(20);
+ TriggerMask->SetTimeWindowWidthBBC(50);
+ TriggerMask->SetTimeWindowWidthBGC(20);
+ TriggerMask->FillMasks(digitsTree,digitsArray);
+
+ fESDVZERO->SetBBtriggerV0A(TriggerMask->GetBBtriggerV0A());
+ fESDVZERO->SetBGtriggerV0A(TriggerMask->GetBGtriggerV0A());
+ fESDVZERO->SetBBtriggerV0C(TriggerMask->GetBBtriggerV0C());
+ fESDVZERO->SetBGtriggerV0C(TriggerMask->GetBGtriggerV0C());
if (esd) {
- AliDebug(1, Form("Writing VZERO data to ESD tree"));
- esd->SetVZEROData(fESDVZERO);
+ AliDebug(1, Form("Writing VZERO data to ESD tree"));
+ esd->SetVZEROData(fESDVZERO);
}
}
AliCDBStorage *storage = manager->GetDefaultStorage();
if(deleteManager){
- AliCDBManager::Instance()->UnsetDefaultStorage();
- defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy()
+ AliCDBManager::Instance()->UnsetDefaultStorage();
+ defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy()
}
return storage;
return calibdata;
}
+
+//_____________________________________________________________________________
+Float_t AliVZEROReconstructor::GetMIP(Int_t channel) const {
+
+// Computes the MIP conversion factor - MIP per ADC channel -
+// Argument passed is the PM number (aliroot numbering)
+
+ Float_t P0[64] = {
+ 7.094891, 7.124938, 7.089708, 7.098169, 7.094482, 7.147250, 7.170978, 7.183392,
+ 7.145760, 7.148096, 7.153840, 7.143544, 7.186069, 7.194580, 7.203516, 7.195176,
+ 7.188333, 7.198607, 7.209412, 7.226565, 7.221695, 7.205132, 7.191238, 7.227724,
+ 7.232810, 7.252655, 7.230309, 7.273518, 7.273518, 7.242969, 7.252859, 7.252655,
+ 7.026802, 7.079913, 7.134147, 7.092387, 7.079561, 7.072848, 7.123192, 7.003141,
+ 7.024667, 7.124784, 7.123442, 7.129744, 7.110671, 7.143031, 7.139439, 7.178109,
+ 7.247803, 7.139396, 7.293809, 7.094454, 6.992198, 7.206448, 7.244765, 7.056197,
+ 7.263595, 7.138569, 7.089582, 7.215683, 7.266183, 7.165123, 7.243276, 7.235135 };
+ Float_t P1[64] = {
+ 0.135569, 0.146405, 0.142425, 0.144278, 0.142307, 0.141648, 0.128477, 0.138239,
+ 0.144173, 0.143419, 0.143572, 0.144482, 0.138024, 0.136542, 0.135955, 0.138537,
+ 0.148521, 0.141999, 0.139627, 0.130014, 0.134970, 0.135635, 0.139094, 0.140634,
+ 0.137971, 0.142080, 0.142793, 0.142778, 0.142778, 0.146045, 0.139133, 0.142080,
+ 0.144121, 0.142311, 0.136564, 0.142686, 0.138792, 0.166285, 0.136387, 0.155391,
+ 0.176082, 0.140408, 0.164738, 0.144270, 0.142766, 0.147486, 0.141951, 0.138012,
+ 0.132394, 0.142849, 0.140477, 0.144592, 0.141558, 0.157646, 0.143758, 0.173385,
+ 0.146489, 0.143279, 0.145230, 0.147203, 0.147333, 0.144979, 0.148597, 0.138985 };
+
+// High Voltage retrieval from Calibration Data Base:
+ Float_t HV = fCalibData->GetMeanHV(channel);
+ Float_t MIP = 0.5/TMath::Exp((TMath::Log(HV) - P0[channel] )/P1[channel]);
+ return MIP;
+
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff