#include "AliZDCDigitizer.h"
class AliCDBStorage;
-class AliZDCCalibData;
+class AliZDCPedestals;
+class AliZDCCalib;
ClassImp(AliZDCDigitizer)
//____________________________________________________________________________
-AliZDCDigitizer::AliZDCDigitizer()
+AliZDCDigitizer::AliZDCDigitizer() :
+ fIsCalibration(0),
+ fPedData(0),
+ fCalibData(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())
{
- fIsCalibration=0; //By default the simulation doesn't create calib. data
// Get calibration data
- fCalibData = GetCalibData();
- if(fIsCalibration!=0) printf("\t **** AliZDCDigitizer -> Creating calibration data (pedestals)\n");
+ if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n");
}
AliZDCDigitizer::~AliZDCDigitizer()
{
// Destructor
-
+// Not implemented
}
//____________________________________________________________________________
AliZDCDigitizer::AliZDCDigitizer(const AliZDCDigitizer &digitizer):
- AliDigitizer()
+ AliDigitizer(),
+ fIsCalibration(digitizer.fIsCalibration),
+ fPedData(digitizer.fPedData),
+ fCalibData(digitizer.fCalibData)
{
// Copy constructor
}
}
for(Int_t i=0; i<2; i++) fADCRes[i] = digitizer.fADCRes[i];
- fIsCalibration = digitizer.fIsCalibration;
- fCalibData = digitizer.fCalibData;
}
// Execute digitization
// ------------------------------------------------------------
- // !!! 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]
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) {
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);
}
treeD->Branch("ZDC", "AliZDCDigit", &pdigit, kBufferSize);
// Create digits
- Int_t sector[2], sectorL[2];
- Int_t digi[2], digiL[2], digioot[2];
- for(sector[0]=1; sector[0]<=3; sector[0]++){
+ 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",
+ /*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();
- //
- // --- 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);
- treeD->Fill();
- }
- //
- //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
}
+ } // 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]<=3; sector[0]++){
+ 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++){
//
new(pdigit) AliZDCDigit(sector, digioot);
treeD->Fill();
- //
- if(sector[0]==1 || sector[0]==2){
- sectorL[0] = sector[0]+3;
- sectorL[1] = sector[1];
- for(Int_t res=0; res<2; res++){
- digioot[res] = Pedestal(sectorL[0], sectorL[1], res); // out-of-time ADCs
- }
- /*printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
- sectorL[0], sectorL[1], digioot[0], digioot[1]); // Chiara debugging!
- */
- //
- new(pdigit) AliZDCDigit(sectorL, digioot);
- treeD->Fill();
- }
- //
- //printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
}
}
+ // 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");
loader->UnloadDigits();
{
// simulate fragmentation of spectators
- Int_t zz[100], nn[100];
AliZDCFragment frag(impPar);
- for(Int_t j=0; j<=99; j++){
- zz[j] =0;
- nn[j] =0;
- }
// Fragments generation
- Int_t nAlpha;
- frag.GenerateIMF(zz, nAlpha);
+ frag.GenerateIMF();
+ Int_t nAlpha = frag.GetNalpha();
// Attach neutrons
- Int_t ztot=0;
- Int_t ntot=0;
- frag.AttachNeutrons(zz, nn, ztot, ntot);
+ Int_t ztot = frag.GetZtot();
+ Int_t ntot = frag.GetNtot();
+ frag.AttachNeutrons();
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));
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],
}
else {
if(volume[1] == 1) pm[2][1] += lightC; // ZEM 1
- else pm[2][2] += lightQ; // ZEM 2
+ 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 PedValue;
-
+ Float_t pedValue;
// Normal run
if(fIsCalibration == 0){
- Float_t meanPed, Pedwidth;
- Int_t index=0;
- if(Det==1|| Det==2) index = 10*(Det-1)+Quad+5*Res; // ZN1, ZP1
- else if(Det==3) index = 10*(Det-1)+(Quad-1)+Res; // ZEM
- else if(Det==4|| Det==5) index = 10*(Det-2)+Quad+5*Res+4; // ZN2, ZP2
- meanPed = fCalibData->GetMeanPed(index);
- Pedwidth = fCalibData->GetMeanPedWidth(index);
- PedValue = gRandom->Gaus(meanPed,Pedwidth);
+ 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
//
- /*printf("\t Pedestal -> det = %d, quad = %d, res = %d - Ped[%d] = %d\n",
- Det, Quad, index,(Int_t) PedValue); // Chiara debugging!
+ 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
- else PedValue = 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) PedValue;
+ return (Int_t) pedValue;
}
//_____________________________________________________________________________
}
//_____________________________________________________________________________
-AliZDCCalibData* AliZDCDigitizer::GetCalibData() const
+AliZDCPedestals* AliZDCDigitizer::GetPedData() const
{
- // Getting calibration object for ZDC set
+ // Getting pedestal calibration object for ZDC set
- AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Data");
- if(!entry) AliFatal("No ZDC calibration found in OCDB!");
- //
- AliZDCCalibData *calibdata = (AliZDCCalibData*) entry->GetObject();
- if(!calibdata) AliWarning("No calibration data from calibration database !");
+ 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/EMDCalib");
+ 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;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff