* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-
-
+//
+// Class AliVZEROTriggerSimulator
+// ------------------------------
// Simulate the VZERO Trigger response
// Use FEE parameters stored in Database
// Can work on real data or in simulation
-#include "TTree.h"
-#include "TClonesArray.h"
+//
+
+#include <TTree.h>
+#include <TClonesArray.h>
+#include <TParameter.h>
#include "AliLog.h"
#include "AliCDBManager.h"
#include "AliVZEROLogicalSignal.h"
#include "AliVZEROTriggerSimulator.h"
#include "AliVZEROdigit.h"
+#include "AliVZEROCalibData.h"
+#include "AliVZEROConst.h"
+#include "AliCTPTimeParams.h"
ClassImp(AliVZEROTriggerSimulator)
//_____________________________________________________________________________
AliVZEROTriggerSimulator::AliVZEROTriggerSimulator(TTree * digitsTree, TClonesArray* digits) :
-TObject(),fTriggerData(LoadTriggerData()),fDigitsTree(digitsTree),fDigits(digits),fTriggerWord(0)
+TObject(),fTriggerData(NULL),fDigitsTree(digitsTree),fDigits(digits),fTriggerWord(0)
{
+ // constructor
+ fTriggerData = LoadTriggerData();
+ LoadClockOffset();
+
for(int i=0;i<64;i++) {
fBBFlags[i] = fBGFlags[i] = kFALSE;
- fCharges[i] = 0;
+ fCharges[i] = 0.;
}
GenerateBBWindows();
GenerateBGWindows();
fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);
fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);
}
- fBBGate[0]->Print();
- fBBGate[4]->Print();
}
//_____________________________________________________________________________
AliVZEROTriggerSimulator::AliVZEROTriggerSimulator() :
-TObject(),fTriggerData(LoadTriggerData()),fDigitsTree(NULL),fDigits(NULL),fTriggerWord(0)
+TObject(),fTriggerData(NULL),fDigitsTree(NULL),fDigits(NULL),fTriggerWord(0)
{
+ // Default constructor
+ fTriggerData = LoadTriggerData();
+ LoadClockOffset();
+
for(int i=0;i<64;i++) {
fBBFlags[i] = fBGFlags[i] = kFALSE;
fCharges[i] = 0;
fBBReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin1(i),0);
fBGReset[i] = new AliVZEROLogicalSignal(fTriggerData->GetResetWin2(i),0);
}
- fBBGate[0]->Print();
- fBBGate[4]->Print();
}
//_____________________________________________________________________________
AliVZEROTriggerSimulator::~AliVZEROTriggerSimulator(){
- if(fBBGate) delete [] fBBGate;
- if(fBGGate) delete [] fBGGate;
- if(fBBLatch) delete [] fBBLatch;
- if(fBBReset) delete [] fBBReset;
- if(fBGLatch) delete [] fBGLatch;
- if(fBGReset) delete [] fBGReset;
+// Destructor
+ for (Int_t i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
+ delete fBBGate[i];
+ delete fBGGate[i];
+ delete fBBLatch[i];
+ delete fBBReset[i];
+ delete fBGLatch[i];
+ delete fBGReset[i];
+ }
}
//_____________________________________________________________________________
void AliVZEROTriggerSimulator::GenerateBBWindows()
{
+ // Generates the BB observation window
+ // In case gates are open the windows are equal to 25ns
+ if (AreGatesOpen()) {
for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
- AliVZEROLogicalSignal Clk1BB(fTriggerData->GetClk1Win1(i),fTriggerData->GetDelayClk1Win1(i));
- AliVZEROLogicalSignal Clk2BB(fTriggerData->GetClk2Win1(i),fTriggerData->GetDelayClk2Win1(i));
- fBBGate[i] = new AliVZEROLogicalSignal(Clk1BB & Clk2BB);
+ fBBGate[i] = new AliVZEROLogicalSignal();
+ fBBGate[i]->SetStartTime(0.);
+ fBBGate[i]->SetStopTime(25.0);
+ }
+ }
+ else {
+ for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
+ AliVZEROLogicalSignal clk1BB(fTriggerData->GetClk1Win1(i),fTriggerData->GetDelayClk1Win1(i));
+ AliVZEROLogicalSignal clk2BB(fTriggerData->GetClk2Win1(i),fTriggerData->GetDelayClk2Win1(i));
+ fBBGate[i] = new AliVZEROLogicalSignal(clk1BB & clk2BB);
}
+ }
}
//_____________________________________________________________________________
void AliVZEROTriggerSimulator::GenerateBGWindows()
{
+ // Generates the BG observation window
+ // In case gates are open the windows are equal to 25ns
+ if (AreGatesOpen()) {
+ for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
+ fBGGate[i] = new AliVZEROLogicalSignal();
+ fBGGate[i]->SetStartTime(0.);
+ fBGGate[i]->SetStopTime(25.0);
+ }
+ }
+ else {
for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
- AliVZEROLogicalSignal Clk1BG(fTriggerData->GetClk1Win2(i),fTriggerData->GetDelayClk1Win2(i));
- AliVZEROLogicalSignal Clk2BG(fTriggerData->GetClk2Win2(i),fTriggerData->GetDelayClk2Win2(i));
- fBGGate[i] = new AliVZEROLogicalSignal(Clk1BG & Clk2BG);
+ AliVZEROLogicalSignal clk1BG(fTriggerData->GetClk1Win2(i),fTriggerData->GetDelayClk1Win2(i));
+ AliVZEROLogicalSignal clk2BG(fTriggerData->GetClk2Win2(i),fTriggerData->GetDelayClk2Win2(i));
+ fBGGate[i] = new AliVZEROLogicalSignal(clk1BG & clk2BG);
+ // In VZERO-A we have a shift by -25ns which is controlled by
+ // 'Delay Win2' = 7 instead of default 6.
+ // The flag is not stored in OCDB so we have manually shift the
+ // trigger windows
+ if (i < 4) {
+ fBGGate[i]->SetStartTime(fBGGate[i]->GetStartTime()-25.0);
+ fBGGate[i]->SetStopTime(fBGGate[i]->GetStopTime()-25.0);
+ }
}
+ }
}
//_____________________________________________________________________________
AliVZEROTriggerData * AliVZEROTriggerSimulator::LoadTriggerData() const
{
// Gets Trigger object for VZERO set
- AliInfo("Loading Trigger parameters");
+ AliDebug(1,"Loading Trigger parameters");
AliCDBManager *man = AliCDBManager::Instance();
entry = man->Get("VZERO/Trigger/Data");
if(!entry){
- AliWarning("Load of calibration data from default storage failed!");
- AliWarning("Calibration data will be loaded from local storage ($ALICE_ROOT)");
-
- man->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
- entry = man->Get("VZERO/Trigger/Data",0);
+ AliFatal("Load of trigger calibration data from default storage failed!");
+ return NULL;
}
// Retrieval of data in directory VZERO/Calib/Trigger:
return triggerData;
}
+
+//_____________________________________________________________________________
+void AliVZEROTriggerSimulator::LoadClockOffset()
+{
+ // This method is used in order to
+ // retrieve the TDC clock offset including
+ // roll-over, trig count and CTP L0->L1 delay
+
+ AliCDBEntry *entry0 = AliCDBManager::Instance()->Get("VZERO/Calib/Data");
+ if (!entry0) {
+ AliFatal("V0 Calib object is not found in OCDB !");
+ return;
+ }
+ AliVZEROCalibData *calibdata = (AliVZEROCalibData*) entry0->GetObject();
+
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming");
+ if (!entry) {
+ AliFatal("CTP timing parameters are not found in OCDB !");
+ return;
+ }
+ AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject();
+ Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0;
+
+ AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign");
+ if (!entry1) {
+ AliFatal("CTP time-alignment is not found in OCDB !");
+ return;
+ }
+ AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject();
+ l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0);
+
+ for(Int_t board = 0; board < AliVZEROTriggerData::kNCIUBoards; ++board) {
+ fClockOffset[board] = (((Float_t)calibdata->GetRollOver(board)-
+ (Float_t)calibdata->GetTriggerCountOffset(board))*25.0-
+ l1Delay+
+ kV0Offset);
+ AliDebug(1,Form("Board %d Offset %f",board,fClockOffset[board]));
+ }
+}
+
//_____________________________________________________________________________
void AliVZEROTriggerSimulator::Run() {
//AliInfo("Generating VZERO Triggers");
Int_t integrator = digit->Integrator();
Int_t pmNumber = digit->PMNumber();
- Int_t board = pmNumber / 8;
- Int_t channel = pmNumber % 8;
+ Int_t board = AliVZEROCalibData::GetBoardNumber(pmNumber);
+ Int_t channel = AliVZEROCalibData::GetFEEChannelNumber(pmNumber);
+ if (board < 0 || channel < 0) continue;
if(fTriggerData->GetEnableCharge(board,channel)) {
- fCharges[pmNumber] = digit->ADC();
- if(fTriggerData->GetPedestalSubtraction(board))
- if(fCharges[pmNumber]>=fTriggerData->GetPedestalCut(integrator,board,channel)){
- fCharges[pmNumber] -= fTriggerData->GetPedestal(integrator,board,channel);
+ fCharges[pmNumber] = digit->ChargeADC(AliVZEROdigit::kNClocks/2);
+ if(fTriggerData->GetPedestalSubtraction(board)) {
+ if(fCharges[pmNumber]>=(Float_t) fTriggerData->GetPedestalCut(integrator,board,channel)){
+ fCharges[pmNumber] -= (Float_t) fTriggerData->GetPedestal(integrator,board,channel);
} else {
- fCharges[pmNumber] = 0;
+ fCharges[pmNumber] = 0.;
}
+ }
} else {
- fCharges[pmNumber] = 0;
+ fCharges[pmNumber] = 0.;
}
- Float_t time = (Float_t)digit->Time() / 10.; // digit->Time() in bin of 100 picoseconds. Divide by 10 to have it in nanoseconds
- time += fTriggerData->GetDelayHit(board,channel);
-
- AliInfo(Form(" PM nb : %d ; ADC= %d ; TDC= %f Enable Time %d charge %d",pmNumber,digit->ADC(),time,fTriggerData->GetEnableTiming(board,channel),fTriggerData->GetEnableCharge(board,channel)));
+ Float_t time = digit->Time();
+ time -= fClockOffset[board];
+
+ AliDebug(10,Form(" Digit: %f %d %d %d %d %d %d %d %d",digit->Time(),
+ digit->ChargeADC(8),digit->ChargeADC(9),digit->ChargeADC(10),
+ digit->ChargeADC(11),digit->ChargeADC(12),digit->ChargeADC(13),
+ digit->ChargeADC(14),digit->ChargeADC(15)));
+ AliDebug(10,Form(" PM nb : %d ; TDC= %f(%f) Enable Time %d charge %d inCoin %d charge %f",
+ pmNumber,time,digit->Time(),
+ fTriggerData->GetEnableTiming(board,channel),fTriggerData->GetEnableCharge(board,channel),
+ fBBGate[board]->IsInCoincidence(time),fCharges[pmNumber]));
fBBFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBBGate[board]->IsInCoincidence(time);
fBGFlags[pmNumber] = fTriggerData->GetEnableTiming(board,channel) && fBGGate[board]->IsInCoincidence(time);
Int_t nBBflagsV0C = 0;
Int_t nBGflagsV0A = 0;
Int_t nBGflagsV0C = 0;
- Int_t chargeV0A = 0;
- Int_t chargeV0C = 0;
+ Float_t chargeV0A = 0.;
+ Float_t chargeV0C = 0.;
+ Int_t aBBflagsV0A = 0;
+ Int_t aBBflagsV0C = 0;
+ Int_t aBGflagsV0A = 0;
+ Int_t aBGflagsV0C = 0;
for(int i=0;i<64;i++) {
if(i<32) {
nBBflagsV0C += fBBFlags[i];
nBGflagsV0C += fBGFlags[i];
chargeV0C += fCharges[i];
+ if (fBBFlags[i]) aBBflagsV0C |= (1 << i);
+ if (fBGFlags[i]) aBGflagsV0C |= (1 << i);
} else {
nBBflagsV0A += fBBFlags[i];
nBGflagsV0A += fBGFlags[i];
chargeV0A += fCharges[i];
+ if (fBBFlags[i]) aBBflagsV0A |= (1 << (i-32));
+ if (fBGFlags[i]) aBGflagsV0A |= (1 << (i-32));
}
//AliInfo(Form("Ch %d BB=%d BG=%d",i,fBBFlags[i],fBGFlags[i] ));
}
+
+ // Store the BB and BG flags in the digits tree (user info)
+ fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0A",aBBflagsV0A));
+ fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BBflagsV0C",aBBflagsV0C));
+ fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0A",aBGflagsV0A));
+ fDigitsTree->GetUserInfo()->Add(new TParameter<int>("BGflagsV0C",aBGflagsV0C));
// BBA
if(nBBflagsV0A>=fTriggerData->GetBBAThreshold()) SetBBA();
// (BGA and BBC) or (BGC and BBA) (Beam Gas from one of the two sides)
if(GetBGAandBBC() || GetBGCandBBA()) SetBeamGas();
- AliInfo(Form("BB Flags : V0A = %d V0C = %d ",nBBflagsV0A, nBBflagsV0C ));
- AliInfo(Form("BG Flags : V0A = %d V0C = %d ",nBGflagsV0A, nBGflagsV0C ));
- AliInfo(Form("Charges : V0A = %d V0C = %d ",chargeV0A, chargeV0C ));
+// AliInfo(Form("BB Flags : V0A = %d V0C = %d ",nBBflagsV0A, nBBflagsV0C ));
+// AliInfo(Form("BG Flags : V0A = %d V0C = %d ",nBGflagsV0A, nBGflagsV0C ));
+// AliInfo(Form("Charges : V0A = %d V0C = %d ",chargeV0A, chargeV0C ));
}
+
+//_____________________________________________________________________________
+Bool_t AliVZEROTriggerSimulator::AreGatesOpen() const {
+ // The method check if the gates are suppossed to be open
+ // (corresponding to 'Test Window' flag in DCS).
+ // Since the flag is not stored in OCDB, we just check if
+ // all the clock delays are 0 or not.
+ // This rules should be followed when setting up the detector
+ // at the level of DCS
+
+ for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
+ if (fTriggerData->GetDelayClk1Win1(i)!=0 ||
+ fTriggerData->GetDelayClk2Win1(i)!=0 ||
+ fTriggerData->GetDelayClk1Win2(i)!=0 ||
+ fTriggerData->GetDelayClk2Win2(i)!=0)
+ return kFALSE;
+ }
+ return kTRUE;
+}
+
+//_____________________________________________________________________________
+void AliVZEROTriggerSimulator::Print(Option_t* /* opt */) const
+{
+ // Prints the trigger windows as
+ // initialized from the OCDB
+ for (int i=0; i<AliVZEROTriggerData::kNCIUBoards; i++) {
+ std::cout << "Board=" << i << " BB (" << fBBGate[i]->GetStartTime() << " -> " << fBBGate[i]->GetStopTime() << ") BG (" << fBGGate[i]->GetStartTime() << " -> " << fBGGate[i]->GetStopTime() << ")" << std::endl;
+ }
+ std::cout << std::endl;
+}
+
+
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