#include "AliPHOSRawDecoder.h"
#include "AliPHOSGeometry.h"
#include "AliPHOSDigit.h"
+#include "AliPHOSRecoParam.h"
+#include "AliPHOSCalibData.h"
+#include "AliPHOSPulseGenerator.h"
+#include "AliLog.h"
ClassImp(AliPHOSRawDigiProducer)
+AliPHOSCalibData * AliPHOSRawDigiProducer::fgCalibData = 0 ;
+
+//--------------------------------------------------------------------------------------
+AliPHOSRawDigiProducer::AliPHOSRawDigiProducer():
+ TObject(),
+ fEmcMinE(0.),
+ fCpvMinE(0.),
+ fSampleQualityCut(1.),
+ fGlobalAltroOffset(0),
+ fEmcCrystals(0),
+ fGeom(0),
+ fPulseGenerator(0)
+{
+ // Default constructor
+}
+//--------------------------------------------------------------------------------------
+AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(const AliPHOSRecoParam* recoParam):
+ TObject(),
+ fEmcMinE(0.),
+ fCpvMinE(0.),
+ fSampleQualityCut(1.),
+ fGlobalAltroOffset(0),
+ fEmcCrystals(0),
+ fGeom(0),
+ fPulseGenerator(0)
+{
+ // Constructor takes paramerters from recoParam
+
+ if(!recoParam) AliFatal("Reconstruction parameters are not set!");
+
+ fEmcMinE = recoParam->GetEMCRawDigitThreshold();
+ fCpvMinE = recoParam->GetCPVMinE();
+ fSampleQualityCut = recoParam->GetEMCSampleQualityCut() ;
+ fGlobalAltroOffset = recoParam->GetGlobalAltroOffset() ;
+
+ fGeom=AliPHOSGeometry::GetInstance() ;
+ if(!fGeom) fGeom = AliPHOSGeometry::GetInstance("IHEP");
+
+ fEmcCrystals=fGeom->GetNCristalsInModule()*fGeom->GetNModules() ;
+
+ fPulseGenerator = new AliPHOSPulseGenerator();
+
+ GetCalibrationParameters() ;
+}
+//--------------------------------------------------------------------------------------
+AliPHOSRawDigiProducer::AliPHOSRawDigiProducer(const AliPHOSRawDigiProducer &dp):
+ TObject(),
+ fEmcMinE(0.),
+ fCpvMinE(0.),
+ fSampleQualityCut(1.),
+ fGlobalAltroOffset(0),
+ fEmcCrystals(0),
+ fGeom(0),
+ fPulseGenerator(0)
+{
+ // Copy constructor
+
+ fEmcMinE = dp.fEmcMinE ;
+ fCpvMinE = dp.fCpvMinE ;
+ fEmcCrystals = dp.fEmcCrystals ;
+ fPulseGenerator = new AliPHOSPulseGenerator();
+ fGeom = dp.fGeom ;
+}
+//--------------------------------------------------------------------------------------
+AliPHOSRawDigiProducer& AliPHOSRawDigiProducer::operator= (const AliPHOSRawDigiProducer &dp)
+{
+ // Assign operator
+
+ if(&dp == this) return *this;
+
+ fEmcMinE = dp.fEmcMinE ;
+ fCpvMinE = dp.fCpvMinE ;
+ fSampleQualityCut = dp.fSampleQualityCut ;
+ fGlobalAltroOffset = dp.fGlobalAltroOffset ;
+ fEmcCrystals = dp.fEmcCrystals ;
+ fGeom = dp.fGeom ;
+ if(fPulseGenerator) delete fPulseGenerator ;
+ fPulseGenerator = new AliPHOSPulseGenerator();
+ return *this;
+}
+//--------------------------------------------------------------------------------------
+AliPHOSRawDigiProducer::~AliPHOSRawDigiProducer()
+{
+ // Desctructor
+ if(fPulseGenerator) delete fPulseGenerator ;
+ fPulseGenerator=0 ;
+}
//--------------------------------------------------------------------------------------
void AliPHOSRawDigiProducer::MakeDigits(TClonesArray *digits, AliPHOSRawDecoder* decoder)
{
digits->Clear();
- AliPHOSGeometry* geo = AliPHOSGeometry::GetInstance();
- if(!geo) geo = AliPHOSGeometry::GetInstance("IHEP");
-
Int_t iDigit = 0 ;
- Double_t time = 0. ;
- Int_t iOldDigit;
- Bool_t seen,lowGainFlag;
Int_t relId[4], absId =0;
+ const Double_t baseLine=1. ; //Minimal energy of digit in ADC ch.
+ const Double_t highLowDiff=2.; //Maximal difference between High and Low channels in LG adc channels
+
+ //Temporary array for LowGain digits
+ TClonesArray tmpLG("AliPHOSDigit",10000) ;
+ Int_t ilgDigit=0 ;
+
+
+ //Read current altro offcet from RCU
+ decoder->SetAmpOffset(fGlobalAltroOffset) ;
+
+ //Let decoder subtract pedestals in case of ZS
+ decoder->SetCalibData(fgCalibData) ;
+
while (decoder->NextDigit()) {
- if (decoder->GetEnergy() <= 0.) continue;
+ Double_t energy=decoder->GetEnergy() ;
+ if(energy<=baseLine) //in ADC channels
+ continue ;
- lowGainFlag = decoder->IsLowGain();
- time = decoder->GetTime();
+ //remove digits with bad shape. Decoder should calculate quality so that
+ //in default case quality [0,1], while larger values of quality mean somehow
+ //corrupted samples, 999 means obviously corrupted sample.
+ //It is difficult to fit samples with overflow (even setting cut on overflow values)
+ //because too few points are left to fit. So we do not evaluate samples with overflow
+ if(decoder->GetSampleQuality() > fSampleQualityCut && !(decoder->IsOverflow()))
+ continue ;
+
+ Bool_t lowGainFlag = decoder->IsLowGain();
relId[0] = decoder->GetModule();
relId[1] = 0;
relId[2] = decoder->GetRow();
relId[3] = decoder->GetColumn();
- geo->RelToAbsNumbering(relId, absId);
+ fGeom->RelToAbsNumbering(relId, absId);
+
+ Double_t time = decoder->GetTime() ;
+ time = CalibrateT(time,relId,lowGainFlag) ;
- // Add low gain digit only
- //if the high gain digit does not exist in the digits array
+ energy = CalibrateE(energy,relId,lowGainFlag) ;
- seen = kFALSE;
+ if(energy <= 0.)
+ continue;
- if(lowGainFlag) {
- for (iOldDigit=iDigit-1; iOldDigit>=0; iOldDigit--) {
- if ((dynamic_cast<AliPHOSDigit*>(digits->At(iOldDigit)))->GetId() == absId) {
- seen = kTRUE;
- break;
+ if(lowGainFlag){
+ new(tmpLG[ilgDigit]) AliPHOSDigit(-1,absId,(Float_t)energy,(Float_t)time);
+ ilgDigit++ ;
+ }
+ else{
+ if(decoder->IsOverflow()) //Keep this digit to replace it by Low Gain later.
+ //If there is no LogGain it wil be removed by cut on Min E
+ new((*digits)[iDigit]) AliPHOSDigit(-1,absId,-1.f,(Float_t)time);
+ else
+ new((*digits)[iDigit]) AliPHOSDigit(-1,absId,(Float_t)energy,(Float_t)time);
+ iDigit++;
+ }
+ }
+
+ //Now scan created LG and HG digits and keep only those which appeared in both lists
+ //replace energy of HighGain digits only if there is overflow
+ //negative energy (overflow)
+ digits->Sort() ;
+ tmpLG.Sort() ;
+ Int_t iLG = 0;
+ Int_t nLG1 = tmpLG.GetEntriesFast()-1 ;
+
+ for(Int_t iDig=0 ; iDig < digits->GetEntriesFast() ; iDig++) {
+ AliPHOSDigit * digHG = dynamic_cast<AliPHOSDigit*>(digits->At(iDig)) ;
+ if (!digHG) continue;
+ AliPHOSDigit * digLG = dynamic_cast<AliPHOSDigit*>(tmpLG.At(iLG)) ;
+ while(digLG && iLG<nLG1 && digHG->GetId()> digLG->GetId()){
+ iLG++ ;
+ digLG = dynamic_cast<AliPHOSDigit*>(tmpLG.At(iLG)) ;
+ }
+ absId=digHG->GetId() ;
+ fGeom->AbsToRelNumbering(absId,relId) ;
+
+ if(digLG && digHG->GetId() == digLG->GetId()){ //we found pair
+ if(digHG->GetEnergy()<0.){ //This is overflow in HG
+ digHG->SetTime(digLG->GetTime()) ;
+ digHG->SetEnergy(digLG->GetEnergy()) ;
+ }
+ else{ //Make approximate comparison of HG and LG energies
+ Double_t de = (digHG->GetEnergy()-digLG->GetEnergy()) ;
+ if(TMath::Abs(de)>CalibrateE(double(highLowDiff),relId,1)){ //too strong difference, remove digit
+ digits->RemoveAt(iDig) ;
}
}
- if (!seen) {
- new((*digits)[iDigit]) AliPHOSDigit(-1,absId,(Float_t)decoder->GetEnergy(),time);
- iDigit++;
- }
}
+ else{ //no pair - remove
+ // temporary fix for dead LG channels
+ if(relId[2]%2==1 && relId[3]%16==4)
+ continue ;
+ if(digHG->GetEnergy()>CalibrateE(double(5.),relId,1)) //One can not always find LG with Amp<5 ADC ch.
+ digits->RemoveAt(iDig) ;
+ }
+ }
- // Add high gain digit only if it is not saturated;
- // replace low gain digit by a high gain one
- else {
- if (decoder->GetEnergy() >= 1023) continue;
- for (iOldDigit=iDigit-1; iOldDigit>=0; iOldDigit--) {
- if ((dynamic_cast<AliPHOSDigit*>(digits->At(iOldDigit)))->GetId() == absId) {
- digits->RemoveAt(iOldDigit);
- new((*digits)[iOldDigit]) AliPHOSDigit(-1,absId,(Float_t)decoder->GetEnergy(),time);
- seen = kTRUE;
- break;
- }
+ CleanDigits(digits) ;
+
+}
+//____________________________________________________________________________
+Double_t AliPHOSRawDigiProducer::CalibrateE(Double_t amp, Int_t* relId, Bool_t isLowGain)
+{
+ // Convert EMC LG amplitude to HG (multipli by ~16)
+ // Calibration parameters are taken from calibration data base
+ if(fgCalibData){
+ Int_t module = relId[0];
+ Int_t column = relId[3];
+ Int_t row = relId[2];
+ if(relId[1]==0) { // this is EMC
+ if(isLowGain){
+ amp*= fgCalibData->GetHighLowRatioEmc(module,column,row);
}
- if (!seen) {
- new((*digits)[iDigit]) AliPHOSDigit(-1,absId,(Float_t)decoder->GetEnergy(),time);
- iDigit++;
+ return amp ;
+ }
+ }
+ return 0;
+}
+//____________________________________________________________________________
+Double_t AliPHOSRawDigiProducer::CalibrateT(Double_t time, Int_t * relId, Bool_t /* isLowGain */)
+{
+ //Calibrate time
+ time*=fPulseGenerator->GetRawFormatTimeTrigger() ;
+ if(fgCalibData){
+ Int_t module = relId[0];
+ Int_t column = relId[3];
+ Int_t row = relId[2];
+ if(relId[1]==0) { // this is EMC
+ time += fgCalibData->GetTimeShiftEmc(module,column,row);
+ return time ;
+ }
+ }
+
+ return -999.;
+}
+//____________________________________________________________________________
+void AliPHOSRawDigiProducer::CleanDigits(TClonesArray * digits)
+{
+ // remove digits with amplitudes below threshold.
+ // remove digits in bad channels
+ // sort digits with icreasing AbsId
+
+ //remove digits in bad map and below threshold
+ Bool_t isBadMap = 0 ;
+ if(fgCalibData->GetNumOfEmcBadChannels()){
+ isBadMap=1 ;
+ }
+
+ for(Int_t i=0; i<digits->GetEntriesFast(); i++){
+ AliPHOSDigit * digit = static_cast<AliPHOSDigit*>(digits->At(i)) ;
+ if(!digit)
+ continue ;
+ if ( (IsInEMC(digit) && digit->GetEnergy() < fEmcMinE) ||
+ (IsInCPV(digit) && digit->GetEnergy() < fCpvMinE) ){
+ digits->RemoveAt(i) ;
+ continue ;
+ }
+ if(isBadMap){ //check bad map now
+ Int_t relid[4] ;
+ fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
+ if(fgCalibData->IsBadChannelEmc(relid[0],relid[3],relid[2])){
+ digits->RemoveAt(i) ;
}
}
+ }
+ //Compress, sort and set indexes
+ digits->Compress() ;
+// digits->Sort(); already sorted earlier
+ for (Int_t i = 0 ; i < digits->GetEntriesFast() ; i++) {
+ AliPHOSDigit *digit = static_cast<AliPHOSDigit*>( digits->At(i) ) ;
+ digit->SetIndexInList(i) ;
}
+}
+//____________________________________________________________________________
+Bool_t AliPHOSRawDigiProducer::IsInEMC(AliPHOSDigit * digit) const
+{
+ // Tells if (true) or not (false) the digit is in a PHOS-EMC module
+ return digit->GetId() <= fEmcCrystals ;
- digits->Compress();
- digits->Sort();
+}
+
+//____________________________________________________________________________
+Bool_t AliPHOSRawDigiProducer::IsInCPV(AliPHOSDigit * digit) const
+{
+ // Tells if (true) or not (false) the digit is in a PHOS-CPV module
+ return digit->GetId() > fEmcCrystals ;
+}
+//____________________________________________________________________________
+void AliPHOSRawDigiProducer::GetCalibrationParameters()
+{
+ // Set calibration parameters:
+ // if calibration database exists, they are read from database,
+ // otherwise, reconstruction stops in the constructor of AliPHOSCalibData
+ //
+ // It is a user responsilibity to open CDB before reconstruction, for example:
+ // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
+
+ if (!fgCalibData){
+ fgCalibData = new AliPHOSCalibData(-1); //use AliCDBManager's run number
+ }
+ if (fgCalibData->GetCalibDataEmc() == 0)
+ AliFatal("Calibration parameters for PHOS EMC not found. Stop reconstruction.\n");
+ if (fgCalibData->GetCalibDataCpv() == 0)
+ AliFatal("Calibration parameters for PHOS CPV not found. Stop reconstruction.\n");
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff