/* History of cvs commits:
*
* $Log$
+ * Revision 1.109 2007/02/05 10:43:25 hristov
+ * Changes for correct initialization of Geant4 (Mihaela)
+ *
+ * Revision 1.108 2007/02/01 10:34:47 hristov
+ * Removing warnings on Solaris x86
+ *
+ * Revision 1.107 2007/01/29 16:29:37 kharlov
+ * Digits2Raw(): special workaround for digits with time out of range
+ *
+ * Revision 1.106 2007/01/17 17:28:56 kharlov
+ * Extract ALTRO sample generation to a separate class AliPHOSPulseGenerator
+ *
+ * Revision 1.105 2007/01/12 21:44:29 kharlov
+ * Simulate and reconstruct two gains simulaneouslsy
+ *
* Revision 1.104 2006/11/23 13:40:44 hristov
* Common class for raw data reading and ALTRO mappiing for PHOS and EMCAL (Gustavo, Cvetan)
*
#include "AliCDBEntry.h"
#include "AliCDBStorage.h"
#include "AliPHOSCalibData.h"
+#include "AliPHOSPulseGenerator.h"
#include "AliDAQ.h"
+#include "AliPHOSRawDecoder.h"
+#include "AliPHOSRawDigiProducer.h"
ClassImp(AliPHOS)
-Double_t AliPHOS::fgCapa = 1.; // 1pF
-Int_t AliPHOS::fgOrder = 2 ;
-Double_t AliPHOS::fgTimeMax = 2.56E-5 ; // each sample is over 100 ns fTimeMax/fTimeBins
-Double_t AliPHOS::fgTimePeak = 4.1E-6 ; // 4 micro seconds
-Double_t AliPHOS::fgTimeTrigger = 100E-9 ; // 100ns, just for a reference
-
-Double_t AliPHOS::fgHighCharge = 8.2; // adjusted for a high gain range of 5.12 GeV (10 bits)
-Double_t AliPHOS::fgHighGain = 6.64;
-Double_t AliPHOS::fgHighLowGainFactor = 16.; // adjusted for a low gain range of 82 GeV (10 bits)
-
//____________________________________________________________________________
AliPHOS:: AliPHOS() : AliDetector()
{
// DEFINITION OF THE TRACKING MEDIA
// for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
- Int_t * idtmed = fIdtmed->GetArray() - 699 ;
Int_t isxfld = gAlice->Field()->Integ() ;
Float_t sxmgmx = gAlice->Field()->Max() ;
// Air -> idtmed[798]
AliMedium(99, "Air $", 99, 0,
isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
+}
+//_____________________________________________________________________________
+void AliPHOS::Init()
+{
+ //
+ // Initialises cuts for PHOS
+ //
// --- Set decent energy thresholds for gamma and electron tracking
+ Int_t * idtmed = fIdtmed->GetArray() - 699 ;
// Tracking threshold for photons and electrons in the scintillator crystal
gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ;
gMC->Gstpar(idtmed[715], "LOSS",2.) ;
gMC->Gstpar(idtmed[715], "DRAY",0.) ;
gMC->Gstpar(idtmed[715], "STRA",2.) ;
-
}
//____________________________________________________________________________
}
// some digitization constants
-// const Int_t kThreshold = 1; // skip digits below this threshold // YVK
const Float_t kThreshold = 0.001; // skip digits below 1 MeV
const Int_t kAdcThreshold = 1; // Lower ADC threshold to write to raw data
AliAltroBuffer* buffer = NULL;
Int_t prevDDL = -1;
- Int_t adcValuesLow[fkTimeBins];
- Int_t adcValuesHigh[fkTimeBins];
+ // Create a shaper pulse object
+ AliPHOSPulseGenerator *pulse = new AliPHOSPulseGenerator();
+
+ Int_t *adcValuesLow = new Int_t[pulse->GetRawFormatTimeBins()];
+ Int_t *adcValuesHigh= new Int_t[pulse->GetRawFormatTimeBins()];
//!!!!for debug!!!
Int_t modMax=-111;
geom->AbsToRelNumbering(digit->GetId(), relId);
Int_t module = relId[0];
- // Begin FIXME
+ // Begin FIXME
if (relId[1] != 0)
continue; // ignore digits from CPV
- // End FIXME
+ // End FIXME
Int_t row = relId[2]-1;
Int_t col = relId[3]-1;
prevDDL = iDDL;
}
- // out of time range signal (?)
- if (digit->GetTimeR() > GetRawFormatTimeMax() ) {
+ AliDebug(2,Form("digit E=%.4f GeV, t=%g s, (mod,col,row)=(%d,%d,%d)\n",
+ digit->GetEnergy(),digit->GetTimeR(),
+ relId[0]-1,relId[3]-1,relId[2]-1));
+ // if a signal is out of time range, write only trailer
+ if (digit->GetTimeR() > pulse->GetRawFormatTimeMax()*0.5 ) {
AliInfo("Signal is out of time range.\n");
- buffer->FillBuffer((Int_t)digit->GetEnergy());
- buffer->FillBuffer(GetRawFormatTimeBins() ); // time bin
- buffer->FillBuffer(3); // bunch length
- buffer->WriteTrailer(3, relId[3], relId[2], module); // trailer
+ buffer->FillBuffer(0);
+ buffer->FillBuffer(pulse->GetRawFormatTimeBins() ); // time bin
+ buffer->FillBuffer(3); // bunch length
+ buffer->WriteTrailer(3, relId[3]-1, relId[2]-1, 0); // trailer
// calculate the time response function
} else {
Double_t energy = 0 ;
- Int_t module = relId[0];
- if ( digit->GetId() <= geom->GetNModules() * geom->GetNCristalsInModule()) {
+ module = relId[0];
+ if (digit->GetId() <= geom->GetNModules() * geom->GetNCristalsInModule()) {
energy=digit->GetEnergy();
- AliDebug(2,Form("digit energy: %f\n",digit->GetEnergy()));
if(energy>eMax) {eMax=energy; modMax=module; colMax=col; rowMax=row;}
}
else {
energy = 0; // CPV raw data format is now know yet
- }
- Bool_t lowgain = RawSampledResponse(digit->GetTimeR(), energy, adcValuesHigh, adcValuesLow) ;
-
- buffer->WriteChannel(relId[3]-1, relId[2]-1, 0,
- GetRawFormatTimeBins(), adcValuesLow , kAdcThreshold);
- buffer->WriteChannel(relId[3]-1, relId[2]-1, 1,
- GetRawFormatTimeBins(), adcValuesHigh, kAdcThreshold);
-
+ }
+ pulse->SetAmplitude(energy);
+ pulse->SetTZero(digit->GetTimeR());
+ pulse->MakeSamples();
+ pulse->GetSamples(adcValuesHigh, adcValuesLow) ;
+ buffer->WriteChannel(relId[3]-1, relId[2]-1, 0,
+ pulse->GetRawFormatTimeBins(), adcValuesLow , kAdcThreshold);
+ buffer->WriteChannel(relId[3]-1, relId[2]-1, 1,
+ pulse->GetRawFormatTimeBins(), adcValuesHigh, kAdcThreshold);
}
}
AliDebug(1,Form("Digit with max. energy: modMax %d colMax %d rowMax %d eMax %f\n",
modMax,colMax,rowMax,eMax));
+ delete pulse;
loader->UnloadDigits();
}
return fLoader;
}
-//__________________________________________________________________
-Double_t AliPHOS::RawResponseFunction(Double_t *x, Double_t *par)
-{
- // Shape of the electronics raw reponse:
- // It is a semi-gaussian, 2nd order Gamma function of the general form
- // v(t) = n**n * Q * A**n / C *(t/tp)**n * exp(-n * t/tp) with
- // tp : peaking time par[0]
- // n : order of the function
- // C : integrating capacitor in the preamplifier
- // A : open loop gain of the preamplifier
- // Q : the total APD charge to be measured Q = C * energy
-
- Double_t signal ;
- Double_t xx = x[0] - ( fgTimeTrigger + par[3] ) ;
-
- if (xx < 0 || xx > fgTimeMax)
- signal = 0. ;
- else {
- Double_t fac = par[0] * TMath::Power(fgOrder, fgOrder) * TMath::Power(par[1], fgOrder) / fgCapa ;
- signal = fac * par[2] * TMath::Power(xx / fgTimePeak, fgOrder) * TMath::Exp(-fgOrder * (xx / fgTimePeak)) ;
- }
- return signal ;
-}
-
-//__________________________________________________________________
-Double_t AliPHOS::RawResponseFunctionMax(Double_t charge, Double_t gain)
-{
- return ( charge * TMath::Power(fgOrder, fgOrder) * TMath::Power(gain, fgOrder)
- / ( fgCapa * TMath::Exp(fgOrder) ) );
-
-}
-
-//__________________________________________________________________
-Bool_t AliPHOS::RawSampledResponse(Double_t dtime, Double_t damp, Int_t * adcH, Int_t * adcL) const
-{
- // for a start time dtime and an amplitude damp given by digit,
- // calculates the raw sampled response AliPHOS::RawResponseFunction
- // Input: dtime - signal start time
- // damp - signal amplitude (energy)
- // Output: adcH - array[fkTimeBins] of 10-bit samples for high-gain channel
- // adcL - array[fkTimeBins] of 10-bit samples for low-gain channel
-
- const Int_t kRawSignalOverflow = 0x3FF ;
- Bool_t lowGain = kFALSE ;
-
- TF1 signalF("signal", RawResponseFunction, 0, GetRawFormatTimeMax(), 4);
-
- for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) {
- signalF.SetParameter(0, GetRawFormatHighCharge() ) ;
- signalF.SetParameter(1, GetRawFormatHighGain() ) ;
- signalF.SetParameter(2, damp) ;
- signalF.SetParameter(3, dtime) ;
- Double_t time = iTime * GetRawFormatTimeMax() / GetRawFormatTimeBins() ;
- Double_t signal = signalF.Eval(time) ;
- if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow ){ // larger than 10 bits
- signal = kRawSignalOverflow ;
- lowGain = kTRUE ;
- }
- adcH[iTime] = static_cast<Int_t>(signal + 0.5) ;
- AliDebug(4,Form("iTime: %d Energy: %f HG signal: %f adcH: %d ",iTime,damp,signal,adcH[iTime]));
-
- signalF.SetParameter(0, GetRawFormatLowCharge() ) ;
- signalF.SetParameter(1, GetRawFormatLowGain() ) ;
- signal = signalF.Eval(time) ;
- if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow) // larger than 10 bits
- signal = kRawSignalOverflow ;
- adcL[iTime] = static_cast<Int_t>(0.5 + signal ) ;
- AliDebug(4,Form("..LG: %f adcL: %d\n",signal,adcL[iTime]));
-
- }
- return lowGain ;
-}
-
//____________________________________________________________________________
void AliPHOS::SetTreeAddress()
{
}
}
+//____________________________________________________________________________
+Bool_t AliPHOS::Raw2SDigits(AliRawReader* rawReader)
+{
+
+ AliPHOSLoader * loader = dynamic_cast<AliPHOSLoader*>(fLoader) ;
+
+ TTree * tree = 0 ;
+ tree = loader->TreeS() ;
+ if ( !tree ) {
+ loader->MakeTree("S");
+ tree = loader->TreeS() ;
+ }
+
+ TClonesArray * sdigits = loader->SDigits() ;
+ if(!sdigits) {
+ loader->MakeSDigitsArray();
+ sdigits = loader->SDigits();
+ }
+ sdigits->Clear();
+
+ AliPHOSRawDecoder dc(rawReader);
+ AliPHOSRawDigiProducer pr;
+ pr.MakeDigits(sdigits,&dc);
+
+ Int_t bufferSize = 32000 ;
+ TBranch * sdigitsBranch = tree->Branch("PHOS",&sdigits,bufferSize);
+ tree->Fill();
+
+ fLoader->WriteSDigits("OVERWRITE");
+ return kTRUE;
+
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff