// $Id$
+
#include "AliMUONDigitizerV3.h"
-#include "AliLog.h"
#include "AliMUON.h"
#include "AliMUONCalibrationData.h"
#include "AliMUONConstants.h"
-#include "AliMUONData.h"
-#include "AliMUONDataIterator.h"
#include "AliMUONDigit.h"
-#include "AliMUONSegmentation.h"
-#include "AliMUONTriggerDecisionV1.h"
-#include "AliMUONTriggerEfficiencyCells.h"
+#include "AliMUONLogger.h"
#include "AliMUONTriggerElectronics.h"
+#include "AliMUONTriggerStoreV1.h"
#include "AliMUONVCalibParam.h"
+#include "AliMUONVDigitStore.h"
+#include "AliMUONGeometryTransformer.h" //ADDED for trigger noise
+
+#include "AliMpCDB.h"
+#include "AliMpSegmentation.h"
+#include "AliMpCathodType.h"
+#include "AliMpConstants.h"
#include "AliMpDEIterator.h"
#include "AliMpDEManager.h"
#include "AliMpIntPair.h"
#include "AliMpPad.h"
#include "AliMpStationType.h"
#include "AliMpVSegmentation.h"
+
+#include "AliCDBManager.h"
+#include "AliCodeTimer.h"
+#include "AliLog.h"
#include "AliRun.h"
#include "AliRunDigitizer.h"
#include "AliRunLoader.h"
-#include "Riostream.h"
-#include "TF1.h"
-#include "TRandom.h"
-#include "TString.h"
-///
+#include <Riostream.h>
+#include <TF1.h>
+#include <TFile.h>
+#include <TMath.h>
+#include <TRandom.h>
+#include <TString.h>
+#include <TSystem.h>
+
+//-----------------------------------------------------------------------------
+/// \class AliMUONDigitizerV3
/// The digitizer is performing the transformation to go from SDigits (digits
/// w/o any electronic noise) to Digits (w/ electronic noise, and decalibration)
///
/// (for performance reason mainly, and because anyway we know we have to do it
/// here, at the digitization level).
///
+/// \author Laurent Aphecetche
+//-----------------------------------------------------------------------------
namespace
{
return static_cast<AliMUON*>(gAlice->GetModule("MUON"));
}
- AliMUONSegmentation* Segmentation()
+ //ADDED for trigger noise
+ const AliMUONGeometryTransformer* GetTransformer()
{
- static AliMUONSegmentation* segmentation = muon()->GetSegmentation();
- return segmentation;
+ return muon()->GetGeometryTransformer();
}
}
const Double_t AliMUONDigitizerV3::fgkNSigmas=3;
+/// \cond CLASSIMP
ClassImp(AliMUONDigitizerV3)
+/// \endcond
//_____________________________________________________________________________
AliMUONDigitizerV3::AliMUONDigitizerV3(AliRunDigitizer* manager,
- ETriggerCodeVersion triggerCodeVersion,
- Bool_t useTriggerEfficiency,
- Bool_t generateNoisyDigits)
+ Int_t generateNoisyDigits)
: AliDigitizer(manager),
fIsInitialized(kFALSE),
-fOutputData(0x0),
fCalibrationData(0x0),
fTriggerProcessor(0x0),
-fTriggerCodeVersion(triggerCodeVersion),
-fUseTriggerEfficiency(useTriggerEfficiency),
-fTriggerEfficiency(0x0),
-fNoiseFunction(0x0),
-fGenerateNoisyDigits(generateNoisyDigits)
+fNoiseFunctionTrig(0x0),
+fGenerateNoisyDigits(generateNoisyDigits),
+fLogger(new AliMUONLogger(1000)),
+fTriggerStore(new AliMUONTriggerStoreV1),
+fDigitStore(0x0),
+fOutputDigitStore(0x0)
{
- //
- // Ctor.
- //
- AliDebug(1,Form("AliRunDigitizer=%p",fManager));
- fGenerateNoisyDigitsTimer.Start(kTRUE); fGenerateNoisyDigitsTimer.Stop();
- fExecTimer.Start(kTRUE); fExecTimer.Stop();
- fFindDigitIndexTimer.Start(kTRUE); fFindDigitIndexTimer.Stop();
-}
+ /// Ctor.
-//______________________________________________________________________________
-AliMUONDigitizerV3::AliMUONDigitizerV3(const AliMUONDigitizerV3& right)
- : AliDigitizer(right)
-{
-/// Protected copy constructor (not implemented)
+ AliDebug(1,Form("AliRunDigitizer=%p",fManager));
- AliFatal("Copy constructor not provided.");
}
//_____________________________________________________________________________
AliMUONDigitizerV3::~AliMUONDigitizerV3()
{
- //
- // Dtor. Note we're the owner of some pointers.
- //
+ /// Dtor. Note we're the owner of some pointers.
+
AliDebug(1,"dtor");
- delete fOutputData;
delete fCalibrationData;
delete fTriggerProcessor;
- delete fNoiseFunction;
-
- AliInfo(Form("Execution time for FindDigitIndex() : R:%.2fs C:%.2fs",
- fFindDigitIndexTimer.RealTime(),fFindDigitIndexTimer.CpuTime()));
- if ( fGenerateNoisyDigits )
- {
- AliInfo(Form("Execution time for GenerateNoisyDigits() : R:%.2fs C:%.2fs",
- fGenerateNoisyDigitsTimer.RealTime(),
- fGenerateNoisyDigitsTimer.CpuTime()));
- }
- AliInfo(Form("Execution time for Exec() : R:%.2fs C:%.2fs",
- fExecTimer.RealTime(),fExecTimer.CpuTime()));
-
+ delete fNoiseFunctionTrig;
+ delete fTriggerStore;
+ delete fDigitStore;
+ delete fOutputDigitStore;
+
+ AliInfo("Summary of messages");
+ fLogger->Print();
+
+ delete fLogger;
}
-//______________________________________________________________________________
-AliMUONDigitizerV3&
-AliMUONDigitizerV3::operator=(const AliMUONDigitizerV3& right)
-{
-/// Protected assignement operator (not implemented)
-
- // check assignement to self
- if (this == &right) return *this;
-
- AliFatal("Assignement operator not provided.");
-
- return *this;
-}
-
//_____________________________________________________________________________
void
-AliMUONDigitizerV3::ApplyResponseToTrackerDigit(AliMUONDigit& digit, Bool_t addNoise)
+AliMUONDigitizerV3::ApplyResponseToTrackerDigit(AliMUONVDigit& digit, Bool_t addNoise)
{
- // For tracking digits, starting from an ideal digit's charge, we :
- //
- // - add some noise (thus leading to a realistic charge), if requested to do so
- // - divide by a gain (thus decalibrating the digit)
- // - add a pedestal (thus decalibrating the digit)
- // - sets the signal to zero if below 3*sigma of the noise
- //
-
- static const Int_t kMaxADC = (1<<12)-1; // We code the charge on a 12 bits ADC.
-
- Float_t signal = digit.Signal();
-
- if ( !addNoise )
- {
- digit.SetADC(TMath::Nint(signal));
- return;
- }
-
+ /// For tracking digits, starting from an ideal digit's charge, we :
+ ///
+ /// - "divide" by a gain (thus decalibrating the digit)
+ /// - add a pedestal (thus decalibrating the digit)
+ /// - add some electronics noise (thus leading to a realistic adc), if requested to do so
+ /// - sets the signal to zero if below 3*sigma of the noise
+
+ Float_t charge = digit.Charge();
+
+ // We set the charge to 0, as the only relevant piece of information
+ // after Digitization is the ADC value.
+ digit.SetCharge(0);
+
Int_t detElemId = digit.DetElemId();
-
Int_t manuId = digit.ManuId();
- Int_t manuChannel = digit.ManuChannel();
AliMUONVCalibParam* pedestal = fCalibrationData->Pedestals(detElemId,manuId);
if (!pedestal)
- {
- AliFatal(Form("Could not get pedestal for DE=%d manuId=%d",
- detElemId,manuId));
- }
- Float_t pedestalMean = pedestal->ValueAsFloat(manuChannel,0);
- Float_t pedestalSigma = pedestal->ValueAsFloat(manuChannel,1);
+ {
+ fLogger->Log(Form("%s:%d:Could not get pedestal for DE=%4d manuId=%4d. Disabling.",
+ __FILE__,__LINE__,
+ detElemId,manuId));
+ digit.SetADC(0);
+ return;
+ }
AliMUONVCalibParam* gain = fCalibrationData->Gains(detElemId,manuId);
if (!gain)
- {
- AliFatal(Form("Could not get gain for DE=%d manuId=%d",
- detElemId,manuId));
- }
- Float_t gainMean = gain->ValueAsFloat(manuChannel,0);
-
- Float_t adcNoise = gRandom->Gaus(0.0,pedestalSigma);
-
- Int_t adc;
+ {
+ fLogger->Log(Form("%s:%d:Could not get gain for DE=%4d manuId=%4d. Disabling.",
+ __FILE__,__LINE__,
+ detElemId,manuId));
+ digit.SetADC(0);
+ return;
+ }
- if ( gainMean < 1E-6 )
- {
- AliError(Form("Got a too small gain %e for DE=%d manuId=%d manuChannel=%d. "
- "Setting signal to 0.",
- gainMean,detElemId,manuId,manuChannel));
- adc = 0;
- }
- else
- {
- adc = TMath::Nint( signal / gainMean + pedestalMean + adcNoise);///
-
- if ( adc <= pedestalMean + fgkNSigmas*pedestalSigma )
- {
- adc = 0;
- }
- }
+ Int_t manuChannel = digit.ManuChannel();
- // be sure we stick to 12 bits.
- if ( adc > kMaxADC )
- {
- adc = kMaxADC;
- }
+ Int_t adc = DecalibrateTrackerDigit(*pedestal,*gain,manuChannel,charge,addNoise,
+ digit.IsNoiseOnly());
- digit.SetPhysicsSignal(TMath::Nint(signal));
- digit.SetSignal(adc);
digit.SetADC(adc);
}
//_____________________________________________________________________________
-void
-AliMUONDigitizerV3::ApplyResponseToTriggerDigit(AliMUONDigit& digit,
- AliMUONData* data)
+void
+AliMUONDigitizerV3::ApplyResponse(const AliMUONVDigitStore& store,
+ AliMUONVDigitStore& filteredStore)
{
- if ( !fTriggerEfficiency ) return;
-
- AliMUONDigit* correspondingDigit = FindCorrespondingDigit(digit,data);
+ /// Loop over all chamber digits, and apply the response to them
+ /// Note that this method may remove digits.
- if(!correspondingDigit)return;//reject bad correspondences
-
- Int_t detElemId = digit.DetElemId();
+ filteredStore.Clear();
+
+ const Bool_t kAddNoise = kTRUE;
- const AliMpVSegmentation* segment[2] =
+ TIter next(store.CreateIterator());
+ AliMUONVDigit* digit;
+
+ while ( ( digit = static_cast<AliMUONVDigit*>(next()) ) )
{
- Segmentation()->GetMpSegmentation(detElemId,digit.Cathode()),
- Segmentation()->GetMpSegmentation(detElemId,correspondingDigit->Cathode())
- };
+ AliMp::StationType stationType = AliMpDEManager::GetStationType(digit->DetElemId());
+
+ if ( stationType != AliMp::kStationTrigger )
+ {
+ ApplyResponseToTrackerDigit(*digit,kAddNoise);
+ }
- AliMpPad pad[2] =
- {
- segment[0]->PadByIndices(AliMpIntPair(digit.PadX(),digit.PadY()),kTRUE),
- segment[1]->PadByIndices(AliMpIntPair(correspondingDigit->PadX(),correspondingDigit->PadY()),kTRUE)
- };
+ if ( digit->ADC() > 0 || digit->Charge() > 0 )
+ {
+ filteredStore.Add(*digit,AliMUONVDigitStore::kIgnore);
+ }
+ }
+}
- Int_t ix(0);
- Int_t iy(1);
+//_____________________________________________________________________________
+Int_t
+AliMUONDigitizerV3::DecalibrateTrackerDigit(const AliMUONVCalibParam& pedestals,
+ const AliMUONVCalibParam& gains,
+ Int_t channel,
+ Float_t charge,
+ Bool_t addNoise,
+ Bool_t noiseOnly)
+{
+ /// Decalibrate (i.e. go from charge to adc) a tracker digit, given its
+ /// pedestal and gain parameters.
+ /// Must insure before calling that channel is valid (i.e. between 0 and
+ /// pedestals or gains->GetSize()-1, but also corresponding to a valid channel
+ /// otherwise results are not predictible...)
- if (digit.Cathode()==0)
- {
- ix=1;
- iy=0;
- }
+ static const Int_t kMaxADC = (1<<12)-1; // We code the charge on a 12 bits ADC.
- Float_t x = pad[ix].Position().X();
- Float_t y = pad[iy].Position().Y();
- if ( x==-1 && y==-1 )
- {
- x=-9999.;
- y=-9999.;
- AliError(Form("Got an unknown position for a digit in DE %d at (ix,iy)=(%d,%d)",
- detElemId,pad[ix].GetIndices().GetFirst(),pad[iy].GetIndices().GetSecond()));
- }
- Float_t x0 = segment[0]->Dimensions().X();
- Float_t y0 = segment[1]->Dimensions().Y();
- TVector2 newCoord = fTriggerEfficiency->ChangeReferenceFrame(x, y, x0, y0);
+ Float_t pedestalMean = pedestals.ValueAsFloat(channel,0);
+ Float_t pedestalSigma = pedestals.ValueAsFloat(channel,1);
- Bool_t isTrig[2];
- fTriggerEfficiency->IsTriggered(detElemId, newCoord.Px(), newCoord.Py(),
- isTrig[0], isTrig[1]);
+ AliDebugClass(1,Form("DE %04d MANU %04d CH %02d PEDMEAN %7.2f PEDSIGMA %7.2f",
+ pedestals.ID0(),pedestals.ID1(),channel,pedestalMean,pedestalSigma));
- if (!isTrig[digit.Cathode()])
- {
- digit.SetSignal(0);
- }
+ Float_t a0 = gains.ValueAsFloat(channel,0);
+ Float_t a1 = gains.ValueAsFloat(channel,1);
+ Int_t thres = gains.ValueAsInt(channel,2);
+ Int_t qual = gains.ValueAsInt(channel,3);
+ if ( qual <= 0 ) return 0;
- if ( &digit != correspondingDigit )
+ Float_t chargeThres = a0*thres;
+
+ Float_t padc(0); // (adc - ped) value
+
+ if ( charge <= chargeThres || TMath::Abs(a1) < 1E-12 )
{
- if (!isTrig[correspondingDigit->Cathode()])
+ // linear part only
+
+ if ( TMath::Abs(a0) > 1E-12 )
{
- correspondingDigit->SetSignal(0);
- }
+ padc = charge/a0;
+ }
}
-}
-
-//_____________________________________________________________________________
-void
-AliMUONDigitizerV3::ApplyResponse()
-{
- //
- // Loop over all chamber digits, and apply the response to them
- // Note that this method may remove digits.
- //
- const Bool_t kAddNoise = kTRUE;
-
- for ( Int_t ich = 0; ich < AliMUONConstants::NCh(); ++ich )
+ else
{
- TClonesArray* digits = fOutputData->Digits(ich);
- Int_t n = digits->GetEntriesFast();
- Bool_t trackingChamber = ( ich < AliMUONConstants::NTrackingCh() );
- for ( Int_t i = 0; i < n; ++i )
+ // linear + parabolic part
+ Double_t qt = chargeThres - charge;
+ Double_t delta = a0*a0-4*a1*qt;
+ if ( delta < 0 )
{
- AliMUONDigit* d = static_cast<AliMUONDigit*>(digits->UncheckedAt(i));
- if ( trackingChamber )
- {
- ApplyResponseToTrackerDigit(*d,kAddNoise);
- }
- else
- {
- ApplyResponseToTriggerDigit(*d,fOutputData);
- }
- if ( d->Signal() <= 0 )
+ AliErrorClass(Form("delta=%e DE %d Manu %d Channel %d "
+ " charge %e a0 %e a1 %e thres %d ped %e pedsig %e",
+ delta,pedestals.ID0(),pedestals.ID1(),
+ channel, charge, a0, a1, thres, pedestalMean,
+ pedestalSigma));
+ }
+ else
+ {
+ delta = TMath::Sqrt(delta);
+
+ padc = ( ( -a0 + delta ) > 0 ? ( -a0 + delta ) : ( -a0 - delta ) );
+
+ padc /= 2*a1;
+
+ if ( padc < 0 )
{
- digits->RemoveAt(i);
+ if ( TMath::Abs(padc) > 1E-3)
+ {
+ // this is more than a precision problem : let's signal it !
+ AliErrorClass(Form("padc=%e DE %d Manu %d Channel %d "
+ " charge %e a0 %e a1 %e thres %d ped %e pedsig %e delta %e",
+ padc,pedestals.ID0(),pedestals.ID1(),
+ channel, charge, a0, a1, thres, pedestalMean,
+ pedestalSigma,delta));
+ }
+
+ // ok. consider we're just at thres, let it be zero.
+ padc = 0;
}
+
+ padc += thres;
+
}
- digits->Compress();
- }
+ }
-// The version below, using iterator, does not yet work (as the iterator
-// assumes it is reading digits from the tree, while in this case it's
-// writing...)
-//
-// AliMUONDigit* digit(0x0);
-//
-// // First loop on tracker digits
-// AliMUONDataIterator tracker(fOutputData,"D",AliMUONDataIterator::kTrackingChambers);
-//
-// while ( ( digit = static_cast<AliMUONDigit*>(tracker.Next()) ) )
-// {
-// ApplyResponseToTrackerDigit(*digit);
-// if ( digit->Signal() <= 0 )
-// {
-// tracker.Remove();
-// }
-//
-// }
-//
-// // Then loop on trigger digits
-// AliMUONDataIterator trigger(fOutputData,"D",AliMUONDataIterator::kTriggerChambers);
-//
-// while ( ( digit = static_cast<AliMUONDigit*>(trigger.Next()) ) )
-// {
-// ApplyResponseToTriggerDigit(*digit,fOutputData);
-// if ( digit->Signal() <= 0 )
-// {
-// trigger.Remove();
-// }
-// }
-}
-
-//_____________________________________________________________________________
-void
-AliMUONDigitizerV3::AddOrUpdateDigit(TClonesArray& array,
- const AliMUONDigit& digit)
-{
- //
- // Add or update a digit, depending on whether there's already a digit
- // for the corresponding channel.
- //
- Int_t ix = FindDigitIndex(array,digit);
+ Int_t adc(0);
- if (ix>=0)
+ Float_t adcNoise = 0.0;
+
+ if ( addNoise )
{
- AliMUONDigit* d = static_cast<AliMUONDigit*>(array.UncheckedAt(ix));
- Bool_t ok = MergeDigits(digit,*d);
- if (!ok)
+ if ( noiseOnly )
+ {
+ adcNoise = NoiseFunction()->GetRandom()*pedestalSigma;
+ }
+ else
{
- AliError("Digits are not mergeable !");
+ adcNoise = gRandom->Gaus(0.0,pedestalSigma);
}
}
- else
+
+ adc = TMath::Nint(padc + pedestalMean + adcNoise + 0.5);
+
+ if ( adc < TMath::Nint(pedestalMean + fgkNSigmas*pedestalSigma + 0.5) )
{
- ix = array.GetLast() + 1;
- new(array[ix]) AliMUONDigit(digit);
+ adc = 0;
}
+ // be sure we stick to 12 bits.
+ if ( adc > kMaxADC )
+ {
+ adc = kMaxADC;
+ }
+
+ return adc;
}
//_____________________________________________________________________________
void
AliMUONDigitizerV3::Exec(Option_t*)
{
- //
- // Main method.
- // We first loop over input files, and merge the sdigits we found there.
- // Second, we digitize all the resulting sdigits
- // Then we generate noise-only digits (for tracker only)
- // And we finally generate the trigger outputs.
- //
+ /// Main method.
+ /// We first loop over input files, and merge the sdigits we found there.
+ /// Second, we digitize all the resulting sdigits
+ /// Then we generate noise-only digits (for tracker only)
+ /// And we finally generate the trigger outputs.
+ AliCodeTimerAuto("")
+
AliDebug(1, "Running digitizer.");
if ( fManager->GetNinputs() == 0 )
return;
}
- fExecTimer.Start(kFALSE);
-
Int_t nInputFiles = fManager->GetNinputs();
- if ( fOutputData->TreeD() == 0x0 )
+ AliLoader* outputLoader = GetLoader(fManager->GetOutputFolderName());
+
+ outputLoader->MakeDigitsContainer();
+
+ TTree* oTreeD = outputLoader->TreeD();
+
+ if (!oTreeD)
{
- AliDebug(1,"Calling MakeDigitsContainer");
- fOutputData->GetLoader()->MakeDigitsContainer();
+ AliFatal("Cannot create output TreeD");
}
- fOutputData->MakeBranch("D,GLT");
- fOutputData->SetTreeAddress("D,GLT");
-
+
// Loop over all the input files, and merge the sdigits found in those
// files.
+
for ( Int_t iFile = 0; iFile < nInputFiles; ++iFile )
{
- AliMUONData* inputData = GetDataAccess(fManager->GetInputFolderName(iFile));
- if (!inputData)
+ AliLoader* inputLoader = GetLoader(fManager->GetInputFolderName(iFile));
+
+ inputLoader->LoadSDigits("READ");
+
+ TTree* iTreeS = inputLoader->TreeS();
+ if (!iTreeS)
{
AliFatal(Form("Could not get access to input file #%d",iFile));
}
+
+ AliMUONVDigitStore* inputStore = AliMUONVDigitStore::Create(*iTreeS);
+ inputStore->Connect(*iTreeS);
+
+ iTreeS->GetEvent(0);
+
+ MergeWithSDigits(fDigitStore,*inputStore,fManager->GetMask(iFile));
- inputData->GetLoader()->LoadSDigits("READ");
- inputData->SetTreeAddress("S");
- inputData->GetSDigits();
-
- MergeWithSDigits(*fOutputData,*inputData,fManager->GetMask(iFile));
+ inputLoader->UnloadSDigits();
- inputData->ResetSDigits();
- inputData->GetLoader()->UnloadSDigits();
- delete inputData;
+ delete inputStore;
}
// At this point, we do have digit arrays (one per chamber) which contains
// We now massage them to apply the detector response, i.e. this
// is here that we do the "digitization" work.
- ApplyResponse();
+ if (!fOutputDigitStore)
+ {
+ fOutputDigitStore = fDigitStore->Create();
+ }
+
+ if ( fGenerateNoisyDigits>=2 )
+ {
+ // Generate noise-only digits for trigger.
+ GenerateNoisyDigitsForTrigger(*fDigitStore);
+ }
+
+ ApplyResponse(*fDigitStore,*fOutputDigitStore);
if ( fGenerateNoisyDigits )
{
// Generate noise-only digits for tracker.
- GenerateNoisyDigits();
+ GenerateNoisyDigits(*fOutputDigitStore);
}
// We generate the global and local trigger decisions.
- fTriggerProcessor->ExecuteTask();
+ fTriggerProcessor->Digits2Trigger(*fOutputDigitStore,*fTriggerStore);
+
+ // Prepare output tree
+ Bool_t okD = fOutputDigitStore->Connect(*oTreeD,kFALSE);
+ Bool_t okT = fTriggerStore->Connect(*oTreeD,kFALSE);
+ if (!okD || !okT)
+ {
+ AliError(Form("Could not make branch : Digit %d Trigger %d",okD,okT));
+ return;
+ }
// Fill the output treeD
- fOutputData->Fill("D,GLT");
+ oTreeD->Fill();
// Write to the output tree(D).
// Please note that as GlobalTrigger, LocalTrigger and Digits are in the same
// tree (=TreeD) in different branches, this WriteDigits in fact writes all of
// the 3 branches.
- fOutputData->GetLoader()->WriteDigits("OVERWRITE");
+ outputLoader->WriteDigits("OVERWRITE");
- // Finally, we clean up after ourselves.
- fOutputData->ResetDigits();
- fOutputData->ResetTrigger();
- fOutputData->GetLoader()->UnloadDigits();
+ outputLoader->UnloadDigits();
- fExecTimer.Stop();
-}
-
-//_____________________________________________________________________________
-AliMUONDigit*
-AliMUONDigitizerV3::FindCorrespondingDigit(AliMUONDigit& digit,
- AliMUONData* data)
-{
- AliMUONDataIterator it(data,"D",AliMUONDataIterator::kTriggerChambers);
- AliMUONDigit* cd;
-
- for(;;){
- cd = static_cast<AliMUONDigit*>(it.Next());
- if(!cd)continue;
- if (cd->DetElemId() == digit.DetElemId() &&
- cd->PadX() == digit.PadX() &&
- cd->PadY() == digit.PadY() &&
- cd->Cathode() == digit.Cathode()){
- break;
- }
- }
- //The corresponding digit is searched only forward in the AliMUONData.
- //In this way when the first digit of the couple is given, the second digit is found and the efficiency is applied to both.
- //Afterwards, when the second digit of the couple is given the first one is not found and hence efficiency is not applied again
-
- while ( ( cd = static_cast<AliMUONDigit*>(it.Next()) ) )
- {
- if(!cd)continue;//avoid problems when 1 digit is removed
- if ( cd->DetElemId() == digit.DetElemId() &&
- cd->Hit() == digit.Hit() &&
- cd->Cathode() != digit.Cathode() )
- {
- return cd;
- }
- }
- return 0x0;
+ // Finally, we clean up after ourselves.
+ fTriggerStore->Clear();
+ fDigitStore->Clear();
+ fOutputDigitStore->Clear();
}
-//_____________________________________________________________________________
-Int_t
-AliMUONDigitizerV3::FindDigitIndex(TClonesArray& array,
- const AliMUONDigit& digit) const
-{
- //
- // Return the index of digit within array, if that digit is there,
- // otherwise returns -1
- //
- // FIXME: this is of course not the best implementation you can think of.
- // Reconsider the use of hit/digit map... ? (but be sure it's needed!)
- //
-
- fFindDigitIndexTimer.Start(kFALSE);
-
- Int_t n = array.GetEntriesFast();
- for ( Int_t i = 0; i < n; ++i )
- {
- AliMUONDigit* d = static_cast<AliMUONDigit*>(array.UncheckedAt(i));
- if ( d->DetElemId() == digit.DetElemId() &&
- d->PadX() == digit.PadX() &&
- d->PadY() == digit.PadY() &&
- d->Cathode() == digit.Cathode() )
- {
- fFindDigitIndexTimer.Stop();
- return i;
- }
- }
- fFindDigitIndexTimer.Stop();
- return -1;
-}
-
//_____________________________________________________________________________
void
-AliMUONDigitizerV3::GenerateNoisyDigits()
+AliMUONDigitizerV3::GenerateNoisyDigits(AliMUONVDigitStore& digitStore)
{
- //
- // According to a given probability, generate digits that
- // have a signal above the noise cut (ped+n*sigma_ped), i.e. digits
- // that are "only noise".
- //
+ /// According to a given probability, generate digits that
+ /// have a signal above the noise cut (ped+n*sigma_ped), i.e. digits
+ /// that are "only noise".
- if ( !fNoiseFunction )
- {
- fNoiseFunction = new TF1("AliMUONDigitizerV3::fNoiseFunction","gaus",
- fgkNSigmas,fgkNSigmas*10);
-
- fNoiseFunction->SetParameters(1,0,1);
- }
-
- fGenerateNoisyDigitsTimer.Start(kFALSE);
+ AliCodeTimerAuto("")
for ( Int_t i = 0; i < AliMUONConstants::NTrackingCh(); ++i )
{
{
for ( Int_t cathode = 0; cathode < 2; ++cathode )
{
- GenerateNoisyDigitsForOneCathode(it.CurrentDE(),cathode);
+ GenerateNoisyDigitsForOneCathode(digitStore,it.CurrentDEId(),cathode);
}
it.Next();
}
}
-
- fGenerateNoisyDigitsTimer.Stop();
}
//_____________________________________________________________________________
void
-AliMUONDigitizerV3::GenerateNoisyDigitsForOneCathode(Int_t detElemId, Int_t cathode)
+AliMUONDigitizerV3::GenerateNoisyDigitsForOneCathode(AliMUONVDigitStore& digitStore,
+ Int_t detElemId, Int_t cathode)
{
- //
- // Generate noise-only digits for one cathode of one detection element.
- // Called by GenerateNoisyDigits()
- //
+ /// Generate noise-only digits for one cathode of one detection element.
+ /// Called by GenerateNoisyDigits()
- TClonesArray* digits = fOutputData->Digits(detElemId/100-1);
-
- const AliMpVSegmentation* seg = Segmentation()->GetMpSegmentation(detElemId,cathode);
+ const AliMpVSegmentation* seg
+ = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(cathode));
Int_t nofPads = seg->NofPads();
Int_t maxIx = seg->MaxPadIndexX();
Int_t maxIy = seg->MaxPadIndexY();
- static const Double_t probToBeOutsideNsigmas = 1 - TMath::Erf(fgkNSigmas/TMath::Sqrt(2.0));
+ static const Double_t kProbToBeOutsideNsigmas = TMath::Erfc(fgkNSigmas/TMath::Sqrt(2.0)) / 2. ;
- Int_t nofNoisyPads = TMath::Nint(probToBeOutsideNsigmas*nofPads);
+ Int_t nofNoisyPads = TMath::Nint(kProbToBeOutsideNsigmas*nofPads);
if ( !nofNoisyPads ) return;
nofNoisyPads =
AliDebug(3,Form("DE %d cath %d nofNoisyPads %d",detElemId,cathode,nofNoisyPads));
- for ( Int_t i = 0; i < nofNoisyPads; ++i )
+ for ( Int_t i = 0; i < nofNoisyPads; ++i )
{
Int_t ix(-1);
Int_t iy(-1);
+ AliMpPad pad;
+
do {
ix = gRandom->Integer(maxIx+1);
iy = gRandom->Integer(maxIy+1);
- } while ( !seg->HasPad(AliMpIntPair(ix,iy)) );
- AliMUONDigit d;
- d.SetDetElemId(detElemId);
- d.SetCathode(cathode);
- d.SetPadX(ix);
- d.SetPadY(iy);
- if ( FindDigitIndex(*digits,d) >= 0 )
+ pad = seg->PadByIndices(AliMpIntPair(ix,iy),kFALSE);
+ } while ( !pad.IsValid() );
+
+ Int_t manuId = pad.GetLocation().GetFirst();
+ Int_t manuChannel = pad.GetLocation().GetSecond();
+
+ AliMUONVCalibParam* pedestals = fCalibrationData->Pedestals(detElemId,manuId);
+
+ if (!pedestals)
{
- // this digit is already there, and not noise-only, we simply skip it
+ // no pedestal available for this channel, simply give up
continue;
}
- AliMpPad pad = seg->PadByIndices(AliMpIntPair(ix,iy));
- Int_t manuId = pad.GetLocation().GetFirst();
- Int_t manuChannel = pad.GetLocation().GetSecond();
- d.SetElectronics(manuId,manuChannel);
+ AliMUONVDigit* d = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode);
- AliMUONVCalibParam* pedestals = fCalibrationData->Pedestals(detElemId,manuId);
-
- Float_t pedestalMean = pedestals->ValueAsFloat(manuChannel,0);
- Float_t pedestalSigma = pedestals->ValueAsFloat(manuChannel,1);
+ d->SetPadXY(ix,iy);
- Double_t ped = fNoiseFunction->GetRandom()*pedestalSigma;
-
- d.SetSignal(TMath::Nint(ped+pedestalMean+0.5));
- d.SetPhysicsSignal(0);
- d.NoiseOnly(kTRUE);
- AliDebug(3,Form("Adding a pure noise digit :"));
- StdoutToAliDebug(3,cout << "Before Response: " << endl;
- d.Print(););
- ApplyResponseToTrackerDigit(d,kFALSE);
- if ( d.Signal() > 0 )
+ d->SetCharge(0.0); // charge is zero, the ApplyResponseToTrackerDigit will add the noise
+ d->NoiseOnly(kTRUE);
+ ApplyResponseToTrackerDigit(*d,kTRUE);
+ if ( d->ADC() > 0 )
{
- AddOrUpdateDigit(*digits,d);
+ Bool_t ok = digitStore.Add(*d,AliMUONVDigitStore::kDeny);
+ // this can happen (that we randomly chose a digit that is
+ // already there). We simply ignore this, but log the occurence
+ // to cross-check that it's not too frequent.
+ if (!ok)
+ {
+ fLogger->Log("Collision while adding noiseOnly digit");
+ }
+ else
+ {
+ fLogger->Log("Added noiseOnly digit");
+ }
}
else
{
AliError("Pure noise below threshold. This should not happen. Not adding "
"this digit.");
}
- StdoutToAliDebug(3,cout << "After Response: " << endl;
- d.Print(););
+ delete d;
}
}
+
//_____________________________________________________________________________
-AliMUONData*
-AliMUONDigitizerV3::GetDataAccess(const TString& folderName)
+void
+AliMUONDigitizerV3::GenerateNoisyDigitsForTrigger(AliMUONVDigitStore& digitStore)
{
- //
- // Create an AliMUONData to deal with data found in folderName.
- //
- AliDebug(1,Form("Getting access to folder %s",folderName.Data()));
- AliRunLoader* runLoader = AliRunLoader::GetRunLoader(folderName);
- if (!runLoader)
+ /// Generate noise-only digits for one cathode of one detection element.
+ /// Called by GenerateNoisyDigits()
+
+ if ( !fNoiseFunctionTrig )
{
- AliError(Form("Could not get RunLoader from folder %s",folderName.Data()));
- return 0x0;
+ fNoiseFunctionTrig = new TF1("AliMUONDigitizerV3::fNoiseFunctionTrig","landau",
+ 50.,270.);
+
+ fNoiseFunctionTrig->SetParameters(3.91070e+02, 9.85026, 9.35881e-02);
}
- AliLoader* loader = static_cast<AliLoader*>(runLoader->GetLoader("MUONLoader"));
+
+ AliMpPad pad[2];
+ AliMUONVDigit *d[2]={0x0};
+
+ for ( Int_t chamberId = AliMUONConstants::NTrackingCh(); chamberId < AliMUONConstants::NCh(); ++chamberId )
+ {
+
+ Int_t nofNoisyPads = 50;
+
+ Float_t r=-1, fi = 0., gx, gy, x, y, z, xg01, yg01, zg, xg02, yg02;
+ AliMpDEIterator it;
+
+ AliDebug(3,Form("Chamber %d nofNoisyPads %d",chamberId,nofNoisyPads));
+
+ for ( Int_t i = 0; i < nofNoisyPads; ++i )
+ {
+ //printf("Generating noise %i\n",i);
+ Int_t ix(-1);
+ Int_t iy(-1);
+ Bool_t isOk = kFALSE;
+ Int_t detElemId = -1;
+ do {
+ //r = gRandom->Landau(9.85026, 9.35881e-02);
+ r = fNoiseFunctionTrig->GetRandom();
+ fi = 2. * TMath::Pi() * gRandom->Rndm();
+ //printf("r = %f\tfi = %f\n", r, fi);
+ gx = r * TMath::Cos(fi);
+ gy = r * TMath::Sin(fi);
+
+ for ( it.First(chamberId); ! it.IsDone(); it.Next() ){
+ Int_t currDetElemId = it.CurrentDEId();
+ const AliMpVSegmentation* seg
+ = AliMpSegmentation::Instance()->GetMpSegmentation(currDetElemId,AliMp::GetCathodType(0));
+ if (!seg) continue;
+ Float_t deltax = seg->Dimensions().X();
+ Float_t deltay = seg->Dimensions().Y();
+ GetTransformer()->Local2Global(currDetElemId, -deltax, -deltay, 0, xg01, yg01, zg);
+ GetTransformer()->Local2Global(currDetElemId, deltax, deltay, 0, xg02, yg02, zg);
+ Float_t xg1 = xg01, xg2 = xg02, yg1 = yg01, yg2 = yg02;
+ if(xg01>xg02){
+ xg1 = xg02;
+ xg2 = xg01;
+ }
+ if(yg01>yg02){
+ yg1 = yg02;
+ yg2 = yg01;
+ }
+ if(gx>=xg1 && gx<=xg2 && gy>=yg1 && gy<=yg2){
+ detElemId = currDetElemId;
+ GetTransformer()->Global2Local(detElemId, gx, gy, 0, x, y, z);
+ pad[0] = seg->PadByPosition(TVector2(x,y),kFALSE);
+ if(!pad[0].IsValid()) continue;
+ isOk = kTRUE;
+ break;
+ }
+ } // loop on slats
+ } while ( !isOk );
+
+ const AliMpVSegmentation* seg1
+ = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(1));
+ pad[1] = seg1->PadByPosition(TVector2(x,y),kFALSE);
+
+ for ( Int_t cathode = 0; cathode < 2; ++cathode ){
+ Int_t manuId = pad[cathode].GetLocation(0).GetFirst();
+ Int_t manuChannel = pad[cathode].GetLocation(0).GetSecond();
+ d[cathode] = digitStore.CreateDigit(detElemId,manuId,manuChannel,cathode);
+ ix = pad[cathode].GetIndices().GetFirst();
+ iy = pad[cathode].GetIndices().GetSecond();
+ d[cathode]->SetPadXY(ix,iy);
+ //d[cathode].SetSignal(1);
+ //d[cathode].SetPhysicsSignal(0);
+ d[cathode]->SetCharge(1);
+ d[cathode]->NoiseOnly(kTRUE);
+ AliDebug(3,Form("Adding a pure noise digit :"));
+
+ Bool_t ok = digitStore.Add(*d[cathode],AliMUONVDigitStore::kDeny);
+ if (!ok)
+ {
+ fLogger->Log("Collision while adding TriggerNoise digit");
+ }
+ else
+ {
+ fLogger->Log("Added triggerNoise digit");
+ }
+ } //loop on cathodes
+ } // loop on noisy pads
+ } // loop on chambers
+}
+
+
+//_____________________________________________________________________________
+AliLoader*
+AliMUONDigitizerV3::GetLoader(const TString& folderName)
+{
+ /// Get a MUON loader
+
+ AliDebug(2,Form("Getting access to folder %s",folderName.Data()));
+ AliLoader* loader = AliRunLoader::GetDetectorLoader("MUON",folderName.Data());
if (!loader)
{
AliError(Form("Could not get MuonLoader from folder %s",folderName.Data()));
return 0x0;
}
- AliMUONData* data = new AliMUONData(loader,"MUON","MUONDataForDigitOutput");
- AliDebug(1,Form("AliMUONData=%p loader=%p",data,loader));
- return data;
+ return loader;
}
//_____________________________________________________________________________
Bool_t
AliMUONDigitizerV3::Init()
{
- //
- // Initialization of the TTask :
- // a) set the outputData pointer
- // b) create the calibrationData, according to run number
- // c) create the trigger processing task
- //
- AliDebug(1,"");
+ /// Initialization of the TTask :
+ /// a) create the calibrationData, according to run number
+ /// b) create the trigger processing task
+
+ AliDebug(2,"");
if ( fIsInitialized )
{
return kFALSE;
}
- fOutputData = GetDataAccess(fManager->GetOutputFolderName());
- if (!fOutputData)
- {
- AliError("Can not perform digitization. I'm sorry");
- return kFALSE;
- }
- AliDebug(1,Form("fOutputData=%p",fOutputData));
-
- AliRunLoader* runLoader = fOutputData->GetLoader()->GetRunLoader();
- AliRun* galice = runLoader->GetAliRun();
- Int_t runnumber = galice->GetRunNumber();
+ Int_t runnumber = AliCDBManager::Instance()->GetRun();
- fCalibrationData = new AliMUONCalibrationData(runnumber);
-
- switch (fTriggerCodeVersion)
- {
- case kTriggerDecision:
- fTriggerProcessor = new AliMUONTriggerDecisionV1(fOutputData);
- break;
- case kTriggerElectronics:
- fTriggerProcessor = new AliMUONTriggerElectronics(fOutputData,fCalibrationData);
- break;
- default:
- AliFatal("Unknown trigger processor type");
- break;
+ // Load mapping
+ if ( ! AliMpCDB::LoadDDLStore() ) {
+ AliFatal("Could not access mapping from OCDB !");
}
- AliDebug(1,Form("Using the following trigger code %s - %s",
- fTriggerProcessor->GetName(),fTriggerProcessor->GetTitle()));
- if ( fUseTriggerEfficiency )
+ fCalibrationData = new AliMUONCalibrationData(runnumber);
+ if ( !fCalibrationData->Pedestals() )
{
- fTriggerEfficiency = fCalibrationData->TriggerEfficiency();
- if ( fTriggerEfficiency )
- {
- AliInfo("Will apply trigger efficiency");
- }
- else
- {
- AliError("I was requested to apply trigger efficiency, but I could "
- "not get it !");
- }
+ AliFatal("Could not access pedestals from OCDB !");
}
-
- if ( fGenerateNoisyDigits )
+ if ( !fCalibrationData->Gains() )
{
- AliInfo("Will generate noise-only digits for tracker");
+ AliFatal("Could not access gains from OCDB !");
}
+ fTriggerProcessor = new AliMUONTriggerElectronics(fCalibrationData);
+ AliDebug(1, Form("Will %s generate noise-only digits for tracker",
+ (fGenerateNoisyDigits ? "":"NOT")));
+
fIsInitialized = kTRUE;
return kTRUE;
}
//_____________________________________________________________________________
-Bool_t
-AliMUONDigitizerV3::MergeDigits(const AliMUONDigit& src,
- AliMUONDigit& srcAndDest)
+void
+AliMUONDigitizerV3::MergeWithSDigits(AliMUONVDigitStore*& outputStore,
+ const AliMUONVDigitStore& input,
+ Int_t mask)
{
- //
- // Merge 2 digits (src and srcAndDest) into srcAndDest.
- //
- AliDebug(1,"Merging the following digits:");
- StdoutToAliDebug(1,src.Print("tracks"););
- StdoutToAliDebug(1,srcAndDest.Print("tracks"););
-
- Bool_t check = ( src.DetElemId() == srcAndDest.DetElemId() &&
- src.PadX() == srcAndDest.PadX() &&
- src.PadY() == srcAndDest.PadY() &&
- src.Cathode() == srcAndDest.Cathode() );
- if (!check)
- {
- return kFALSE;
- }
+ /// Merge the sdigits in inputData with the digits already present in outputData
+
+ if ( !outputStore ) outputStore = input.Create();
- srcAndDest.AddSignal(src.Signal());
- srcAndDest.AddPhysicsSignal(src.Physics());
- for ( Int_t i = 0; i < src.Ntracks(); ++i )
+ TIter next(input.CreateIterator());
+ AliMUONVDigit* sdigit;
+
+ while ( ( sdigit = static_cast<AliMUONVDigit*>(next()) ) )
{
- srcAndDest.AddTrack(src.Track(i),src.TrackCharge(i));
+ // Update the track references using the mask.
+ // FIXME: this is dirty, for backward compatibility only.
+ // Should re-design all this way of keeping track of MC information...
+ if ( mask ) sdigit->PatchTracks(mask);
+ // Then add or update the digit to the output.
+ AliMUONVDigit* added = outputStore->Add(*sdigit,AliMUONVDigitStore::kMerge);
+ if (!added)
+ {
+ AliError("Could not add digit in merge mode");
+ }
}
- StdoutToAliDebug(1,cout << "result:"; srcAndDest.Print("tracks"););
- return kTRUE;
}
//_____________________________________________________________________________
-void
-AliMUONDigitizerV3::MergeWithSDigits(AliMUONData& outputData,
- const AliMUONData& inputData, Int_t mask)
+TF1*
+AliMUONDigitizerV3::NoiseFunction()
{
- //
- // Merge the sdigits in inputData with the digits already present in outputData
- //
- AliDebug(1,"");
-
- for ( Int_t ich = 0; ich < AliMUONConstants::NCh(); ++ich )
- {
- TClonesArray* iDigits = inputData.SDigits(ich);
- TClonesArray* oDigits = outputData.Digits(ich);
- if (!iDigits)
- {
- AliError(Form("Could not get sdigits for ich=%d",ich));
- return;
- }
- Int_t nSDigits = iDigits->GetEntriesFast();
- for ( Int_t k = 0; k < nSDigits; ++k )
- {
- AliMUONDigit* sdigit = static_cast<AliMUONDigit*>(iDigits->UncheckedAt(k));
- if (!sdigit)
- {
- AliError(Form("Could not get sdigit for ich=%d and k=%d",ich,k));
- }
- else
- {
- // Update the track references using the mask.
- // FIXME: this is dirty, for backward compatibility only.
- // Should re-design all this way of keeping track of MC information...
- if ( mask ) sdigit->PatchTracks(mask);
- // Then add or update the digit to the output.
- AddOrUpdateDigit(*oDigits,*sdigit);
- }
- }
+ /// Return noise function
+ static TF1* f = 0x0;
+ if (!f)
+ {
+ f = new TF1("AliMUONDigitizerV3::NoiseFunction","gaus",fgkNSigmas,fgkNSigmas*10);
+ f->SetParameters(1,0,1);
}
+ return f;
}
+
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