#include "AliZDCDigitizer.h"
class AliCDBStorage;
-class AliZDCCalibData;
+class AliZDCPedestals;
+class AliZDCCalib;
+class AliZDCRecParam;
ClassImp(AliZDCDigitizer)
//____________________________________________________________________________
-AliZDCDigitizer::AliZDCDigitizer()
+AliZDCDigitizer::AliZDCDigitizer() :
+ fIsCalibration(0),
+ fPedData(0),
+ fCalibData(0),
+ fRecParam(0)
{
// Default constructor
//____________________________________________________________________________
AliZDCDigitizer::AliZDCDigitizer(AliRunDigitizer* manager):
- AliDigitizer(manager)
+ AliDigitizer(manager),
+ fIsCalibration(0), //By default the simulation doesn't create calib. data
+ fPedData(GetPedData()),
+ fCalibData(GetCalibData()),
+ fRecParam(GetRecParam())
{
-
// Get calibration data
- fCalibData = GetCalibData();
+ if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n");
}
AliZDCDigitizer::~AliZDCDigitizer()
{
// Destructor
-
+// Not implemented
}
+//____________________________________________________________________________
+AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer):
+ AliDigitizer(),
+ fIsCalibration(digitizer.fIsCalibration),
+ fPedData(digitizer.fPedData),
+ fCalibData(digitizer.fCalibData),
+ fRecParam(digitizer.fRecParam)
+{
+ // Copy constructor
+
+ for(Int_t i=0; i<6; i++){
+ for(Int_t j=0; j<5; j++){
+ fPMGain[i][j] = digitizer.fPMGain[i][j];
+ }
+ }
+ for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i];
+
+}
+
//____________________________________________________________________________
Bool_t AliZDCDigitizer::Init()
{
{
// Execute digitization
- Float_t pm[5][5]; // !!! 2nd ZDC set added (needed for trigger purposes!)
+ // ------------------------------------------------------------
+ // !!! 2nd ZDC set added
// *** 1st 3 arrays are digits from REAL (simulated) hits
// *** last 2 are copied from simulated digits
// --- pm[0][...] = light in ZN right [C, Q1, Q2, Q3, Q4]
// --- pm[2][...] = light in ZEM [x, 1, 2, x, x]
// --- pm[3][...] = light in ZN left [C, Q1, Q2, Q3, Q4] ->NEW!
// --- pm[4][...] = light in ZP left [C, Q1, Q2, Q3, Q4] ->NEW!
-
- for (Int_t iSector1=0; iSector1<5; iSector1++)
- for (Int_t iSector2=0; iSector2<5; iSector2++) {
+ // ------------------------------------------------------------
+ Float_t pm[5][5];
+ for(Int_t iSector1=0; iSector1<5; iSector1++)
+ for(Int_t iSector2=0; iSector2<5; iSector2++){
pm[iSector1][iSector2] = 0;
}
+
+ // ------------------------------------------------------------
+ // ### Out of time ADC added (22 channels)
+ // --- same codification as for signal PTMs (see above)
+ // ------------------------------------------------------------
+ Float_t pmoot[5][5];
+ for(Int_t iSector1=0; iSector1<5; iSector1++)
+ for(Int_t iSector2=0; iSector2<5; iSector2++){
+ pmoot[iSector1][iSector2] = 0;
+ }
// impact parameter and number of spectators
Float_t impPar = -1;
Int_t specP = 0;
// loop over input streams
- for (Int_t iInput = 0; iInput<fManager->GetNinputs(); iInput++) {
+ for(Int_t iInput = 0; iInput<fManager->GetNinputs(); iInput++){
// get run loader and ZDC loader
AliRunLoader* runLoader =
AliRunLoader::GetRunLoader(fManager->GetInputFolderName(iInput));
AliLoader* loader = runLoader->GetLoader("ZDCLoader");
- if (!loader) continue;
+ if(!loader) continue;
// load sdigits
loader->LoadSDigits();
TTree* treeS = loader->TreeS();
- if (!treeS) continue;
+ if(!treeS) continue;
AliZDCSDigit sdigit;
AliZDCSDigit* psdigit = &sdigit;
treeS->SetBranchAddress("ZDC", &psdigit);
// loop over sdigits
- for (Int_t iSDigit=0; iSDigit<treeS->GetEntries(); iSDigit++) {
+ for(Int_t iSDigit=0; iSDigit<treeS->GetEntries(); iSDigit++){
treeS->GetEntry(iSDigit);
//
- if (!psdigit) continue;
- if ((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)) {
+ if(!psdigit) continue;
+ if((sdigit.GetSector(1) < 0) || (sdigit.GetSector(1) > 4)){
AliError(Form("\nsector[0] = %d, sector[1] = %d\n",
sdigit.GetSector(0), sdigit.GetSector(1)));
continue;
/*printf("\n\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n",
sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1,
sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); // Chiara debugging!
- */
+ */
}
loader->UnloadSDigits();
// get the impact parameter and the number of spectators in case of hijing
- if (!runLoader->GetAliRun()) runLoader->LoadgAlice();
+ if(!runLoader->GetAliRun()) runLoader->LoadgAlice();
AliHeader* header = runLoader->GetAliRun()->GetHeader();
- if (!header) continue;
+ if(!header) continue;
AliGenEventHeader* genHeader = header->GenEventHeader();
- if (!genHeader) continue;
- if (!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue;
+ if(!genHeader) continue;
+ if(!genHeader->InheritsFrom(AliGenHijingEventHeader::Class())) continue;
impPar = ((AliGenHijingEventHeader*) genHeader)->ImpactParameter();
//
specN = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsn();
specP = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp();
AliDebug(2, Form("\n AliZDCDigitizer -> b = %f fm, Nspecn = %d, Nspecp = %d\n",
impPar, specN, specP));
- printf("\n\t AliZDCDigitizer -> b = %f fm, Nspecn = %d, Nspecp = %d\n", impPar, specN, specP);
+ printf("\n\t AliZDCDigitizer -> b = %f fm, # generated spectator n = %d,"
+ " # generated spectator p = %d\n", impPar, specN, specP);
}
// add spectators
- if (impPar >= 0) {
+ if(impPar >= 0) {
Int_t freeSpecN, freeSpecP;
Fragmentation(impPar, specN, specP, freeSpecN, freeSpecP);
- printf("\n\t AliZDCDigitizer ---- Adding signal for %d free spectator n\n",freeSpecN);
+ printf("\n\t AliZDCDigitizer -> Adding signal for %d free spectator n\n",freeSpecN);
SpectatorSignal(1, freeSpecN, pm);
- printf("\t AliZDCDigitizer ---- Adding signal for %d free spectator p\n\n",freeSpecP);
+ printf("\t AliZDCDigitizer -> Adding signal for %d free spectator p\n\n",freeSpecP);
SpectatorSignal(2, freeSpecP, pm);
}
AliRunLoader* runLoader =
AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
AliLoader* loader = runLoader->GetLoader("ZDCLoader");
- if (!loader) {
+ if(!loader) {
AliError("no ZDC loader found");
return;
}
// create the output tree
const char* mode = "update";
- if (runLoader->GetEventNumber() == 0) mode = "recreate";
+ if(runLoader->GetEventNumber() == 0) mode = "recreate";
loader->LoadDigits(mode);
loader->MakeTree("D");
TTree* treeD = loader->TreeD();
treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize);
// Create digits
- Int_t sector[2], sectorL[2];
- Int_t digi[2], digiL[2];
- for (sector[0]=1; sector[0]<=3; sector[0]++)
- for (sector[1]=0; sector[1]<5; sector[1]++) {
- if ((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue;
- for (Int_t res=0; res<2; res++){
- digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res)
+ Int_t sector[2];
+ Int_t digi[2], digioot[2];
+ for(sector[0]=1; sector[0]<6; sector[0]++){
+ for(sector[1]=0; sector[1]<5; sector[1]++){
+ if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue;
+ for(Int_t res=0; res<2; res++){
+ digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res)
+ Pedestal(sector[0], sector[1], res);
}
- //printf("\t DIGIT added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
- // sector[0], sector[1], digi[0], digi[1]); // Chiara debugging!
- new(pdigit) AliZDCDigit(sector, digi);
- treeD->Fill();
+ /*printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n",
+ sector[0], sector[1], digi[0], digi[1]); // Chiara debugging!
+ */
//
- // --- Adding digits for 2nd ZDC set (left side w.r.t. IP) ---
- // --- they are copied from right ZDC digits
- if(sector[0]==1 || sector[0]==2){
- sectorL[0] = sector[0]+3;
- sectorL[1] = sector[1];
- for (Int_t res=0; res<2; res++){
- digiL[res] = Phe2ADCch(sectorL[0], sectorL[1], pm[sector[0]-1][sector[1]], res)
- + Pedestal(sectorL[0], sectorL[1], res);
- }
- //printf("\t DIGIT added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
- // sectorL[0], sectorL[1], digiL[0], digiL[1]); // Chiara debugging!
- new(pdigit) AliZDCDigit(sectorL, digiL);
- }
+ new(pdigit) AliZDCDigit(sector, digi);
+ treeD->Fill();
+ }
+ } // Loop over detector
+ // Adding in-time digits for 2 reference PTM signals (after signal ch.)
+ // (for the moment the ref. signal is completely invented assuming a PMgain of 5*10^4!)
+ Int_t sectorRef[2];
+ sectorRef[1] = 5;
+ Int_t sigRef[2];
+ // Reference signal are set to 100 (high gain chain) and 800 (low gain chain)
+ if(fIsCalibration==0) {sigRef[0]=100; sigRef[1]=800;}
+ else {sigRef[0]=0; sigRef[1]=0;} // calibration -> simulation of pedestal values
+ //
+ for(Int_t iref=0; iref<2; iref++){
+ sectorRef[0] = 3*iref+1;
+ for(Int_t res=0; res<2; res++){
+ sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res);
+ }
+ /*printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
+ sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging!
+ */
+ new(pdigit) AliZDCDigit(sectorRef, sigRef);
+ treeD->Fill();
+ }
+ //
+ // --- Adding digits for out-of-time channels after signal digits
+ for(sector[0]=1; sector[0]<6; sector[0]++){
+ for(sector[1]=0; sector[1]<5; sector[1]++){
+ if((sector[0]==3) && ((sector[1]<1) || (sector[1]>2))) continue;
+ for(Int_t res=0; res<2; res++){
+ digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs
+ }
+ /*printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
+ sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging!
+ */
//
+ new(pdigit) AliZDCDigit(sector, digioot);
treeD->Fill();
}
+ }
+ // Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.)
+ Int_t sigRefoot[2];
+ for(Int_t iref=0; iref<2; iref++){
+ sectorRef[0] = 3*iref+1;
+ for(Int_t res=0; res<2; res++){
+ sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res);
+ }
+ /*printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
+ sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging!
+ */
+ new(pdigit) AliZDCDigit(sectorRef, sigRefoot);
+ treeD->Fill();
+ }
+ //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
// write the output tree
loader->WriteDigits("OVERWRITE");
Int_t zz[100], nn[100];
AliZDCFragment frag(impPar);
- for (Int_t j=0; j<=99; j++){
+ for(Int_t j=0; j<=99; j++){
zz[j] =0;
nn[j] =0;
}
frag.AttachNeutrons(zz, nn, ztot, ntot);
freeSpecN = specN-ntot-2*nAlpha;
freeSpecP = specP-ztot-2*nAlpha;
+ // Removing deuterons
+ Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber());
+ freeSpecN -= ndeu;
+ //
if(freeSpecN<0) freeSpecN=0;
if(freeSpecP<0) freeSpecP=0;
AliDebug(2, Form("FreeSpn = %d, FreeSpp = %d", freeSpecN, freeSpecP));
// add signal of the spectators
TFile* file = NULL;
- if (SpecType == 1) { // --- Signal for spectator neutrons
- file = TFile::Open("$ALICE/$ALICE_LEVEL/ZDC/ZNsignalntu.root");
- } else if (SpecType == 2) { // --- Signal for spectator protons
- file = TFile::Open("$ALICE/$ALICE_LEVEL/ZDC/ZPsignalntu.root");
+ if(SpecType == 1) { // --- Signal for spectator neutrons
+ file = TFile::Open("$ALICE_ROOT/ZDC/ZNsignalntu.root");
+ } else if(SpecType == 2) { // --- Signal for spectator protons
+ file = TFile::Open("$ALICE_ROOT/ZDC/ZPsignalntu.root");
}
- if (!file || !file->IsOpen()) {
+ if(!file || !file->IsOpen()) {
AliError("Opening of file failed");
return;
}
Float_t *entry, hitsSpec[7];
Int_t pl, i, j, k, iev=0, rnd[125], volume[2];
for(pl=0;pl<125;pl++) rnd[pl] = 0;
- if (numEvents > 125) {
+ if(numEvents > 125) {
AliWarning(Form("numEvents (%d) is larger than 125", numEvents));
numEvents = 125;
}
volume[0], volume[1], lightQ, lightC));
//printf("\n Volume = (%d, %d), lightQ = %.0f, lightC = %.0f",
// volume[0], volume[1], lightQ, lightC);
- if (volume[0] < 3) { // ZN or ZP
+ if(volume[0] != 3) { // ZN or ZP
pm[volume[0]-1][0] += lightC;
pm[volume[0]-1][volume[1]] += lightQ;
//printf("\n pm[%d][0] = %.0f, pm[%d][%d] = %.0f\n",(volume[0]-1),pm[volume[0]-1][0],
// (volume[0]-1),volume[1],pm[volume[0]-1][volume[1]]);
}
else {
- if (volume[1] == 1) pm[2][1] += lightC; // ZEM 1
- else pm[2][2] += lightQ; // ZEM 2
+ if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1
+ else pm[2][2] += lightQ; // ZEM 2
//printf("\n pm[2][1] = %.0f, pm[2][2] = %.0f\n",pm[2][1],pm[2][2]);
}
}
{
// Evaluation of the ADC channel corresponding to the light yield Light
Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]);
- //printf("\t Phe2ADCch -> det %d quad %d - phe %.0f ADC %d\n", Det,Quad,Light,ADCch);
+ //printf("\t Phe2ADCch -> det %d quad %d - phe %.0f ADC %d\n", Det,Quad,Light,vADCch);
return vADCch;
}
{
// Returns a pedestal for detector det, PM quad, channel with res.
//
- Float_t meanPed;
- if(Det != 3) meanPed = fCalibData->GetMeanPed(10*(Det-1)+Quad+5*Res);
- else meanPed = fCalibData->GetMeanPed(10*(Det-1)+Quad+1*Res);
-
- //printf("\t Pedestal -> det = %d, quad = %d, res = %d - Ped[%d] = %d\n",
- // Det, Quad, Res,10*(Det-1)+Quad+5*Res,(Int_t) meanPed); // Chiara debugging!
-
+ Float_t pedValue;
+ // Normal run
+ if(fIsCalibration == 0){
+ Int_t index=0, kNch=24;
+ if(Quad!=5){
+ if(Det==1) index = Quad+kNch*Res; // ZNC
+ else if(Det==2) index = (Quad+5)+kNch*Res; // ZPC
+ else if(Det==3) index = (Quad+9)+kNch*Res; // ZEM
+ else if(Det==4) index = (Quad+12)+kNch*Res; // ZNA
+ else if(Det==5) index = (Quad+17)+kNch*Res; // ZPA
+ }
+ else index = (Det-1)/3+22+kNch*Res; // Reference PMs
+ //
+ Float_t meanPed = fPedData->GetMeanPed(index);
+ Float_t pedWidth = fPedData->GetMeanPedWidth(index);
+ pedValue = gRandom->Gaus(meanPed,pedWidth);
+ //
+ /*printf("\t AliZDCDigitizer::Pedestal -> det %d quad %d res %d - Ped[%d] = %d\n",
+ Det, Quad, Res, index,(Int_t) pedValue); // Chiara debugging!
+ */
+ }
// To create calibration object
- /*Float_t meanPed;
- meanPed = gRandom->Gaus((40.+10.*gRandom->Rndm()),5.);
- */
+ else{
+ if(Res == 0) pedValue = gRandom->Gaus((35.+10.*gRandom->Rndm()),(0.5+0.2*gRandom->Rndm())); //High gain
+ else pedValue = gRandom->Gaus((250.+100.*gRandom->Rndm()),(3.5+2.*gRandom->Rndm())); //Low gain
+ }
- return (Int_t) meanPed;
+ return (Int_t) pedValue;
}
//_____________________________________________________________________________
}
//_____________________________________________________________________________
-AliZDCCalibData* AliZDCDigitizer::GetCalibData() const
+AliZDCPedestals* AliZDCDigitizer::GetPedData() const
+{
+
+ // Getting pedestal calibration object for ZDC set
+
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals");
+ if(!entry) AliFatal("No calibration data loaded!");
+
+ AliZDCPedestals *calibdata = dynamic_cast<AliZDCPedestals*> (entry->GetObject());
+ if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
+
+ return calibdata;
+}
+
+//_____________________________________________________________________________
+AliZDCCalib* AliZDCDigitizer::GetCalibData() const
+{
+
+ // Getting calibration object for ZDC set
+
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Calib");
+ if(!entry) AliFatal("No calibration data loaded!");
+
+ AliZDCCalib *calibdata = dynamic_cast<AliZDCCalib*> (entry->GetObject());
+ if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
+
+ return calibdata;
+}
+
+//_____________________________________________________________________________
+AliZDCRecParam* AliZDCDigitizer::GetRecParam() const
{
// Getting calibration object for ZDC set
- AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Data");
- AliZDCCalibData *calibdata = (AliZDCCalibData*) entry->GetObject();
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/RecParam");
+ if(!entry) AliFatal("No calibration data loaded!");
- if (!calibdata) AliWarning("No calibration data from calibration database !");
+ AliZDCRecParam *calibdata = dynamic_cast<AliZDCRecParam*> (entry->GetObject());
+ if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
return calibdata;
}
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