#include <TFolder.h>
#include <TTree.h>
#include <TVirtualMC.h>
+#include <TRandom.h>
// --- Standard library ---
// --- AliRoot header files ---
#include "AliMagF.h"
-#include "AliESDtrack.h"
-#include "AliESD.h"
#include "AliPHOS.h"
#include "AliPHOSGetter.h"
-#include "AliPHOSQAChecker.h"
#include "AliRun.h"
#include "AliPHOSDigitizer.h"
#include "AliPHOSSDigitizer.h"
-#include "AliPHOSReconstructioner.h"
+#include "AliPHOSDigit.h"
+#include "AliAltroBuffer.h"
+
ClassImp(AliPHOS)
//____________________________________________________________________________
AliPHOS:: AliPHOS() : AliDetector()
fName="PHOS";
fQATask = 0;
fTreeQA = 0;
+ fDebug = 0;
+ fRan = new TRandom(123456) ;
}
//____________________________________________________________________________
fQATask = 0;
fTreeQA = 0;
+ fDebug = 0;
+ fRan = new TRandom(123456) ;
}
//____________________________________________________________________________
AliPHOS::~AliPHOS()
{
-
+ delete fRan ;
}
//____________________________________________________________________________
void AliPHOS::Copy(AliPHOS & phos)
{
+ // copy method to be used byy the cpy ctor
TObject::Copy(phos) ;
// fQATask = AliPHOSQAChecker::Copy(*(phos.fQATask)) ;
phos.fTreeQA = fTreeQA->CloneTree() ;
wGM[1] = 1. - arContent ;
dGM = wGM[0] * dAr + wGM[1] * dCO;
+
AliMixture(16, "ArCO2$", aGM, zGM, dGM, 2, wGM) ;
// --- Stainless steel (let it be pure iron) ---
AliMixture(19, "Cables $", aCA, zCA, dCA, -4, wCA) ;
-
-
// --- Air ---
- AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ;
-
+ Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
+ Float_t zAir[4]={6.,7.,8.,18.};
+ Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
+ Float_t dAir = 1.20479E-3;
+ AliMixture(99, "Air$", aAir, zAir, dAir, 4, wAir) ;
+
// DEFINITION OF THE TRACKING MEDIA
// for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
}
//____________________________________________________________________________
-void AliPHOS::FillESD(AliESD* esd) const
+void AliPHOS::Digits2Raw()
{
- // Called by AliReconstruct after Reconstruct() and global tracking and vertxing
-
- //Creates the tracksegments and Recparticles
- AliPHOSReconstructioner * rec = new AliPHOSReconstructioner((fLoader->GetRunLoader()->GetFileName()).Data()) ;
- TList * taskslist = rec->GetListOfTasks() ;
- Int_t index ;
- TTask * task ;
- TString name ;
- // set clusterizer task inactive
- for (index = 0; index < taskslist->GetSize(); index++) {
- task = dynamic_cast<TTask *>(taskslist->At(index)) ;
- name = task->GetName() ;
- if ( name.Contains(AliConfig::Instance()->GetReconstructionerTaskName()))
- task->SetActive(kFALSE) ;
- if ( name.Contains(AliConfig::Instance()->GetTrackerTaskName()))
- (dynamic_cast<AliPHOSTrackSegmentMaker *> (task))->SetESD(esd) ;
+// convert digits of the current event to raw data
+
+ // get the digits
+ AliPHOSGetter * gime = AliPHOSGetter::Instance(AliRunLoader::GetGAliceName()) ;
+ if (!gime) {
+ Error("Digits2Raw", "PHOS Getter not instantiated") ;
+ return ;
+ }
+ gime->Event(gime->EventNumber(), "D") ;
+ TClonesArray* digits = gime->Digits() ;
+
+ if (!digits) {
+ Error("Digits2Raw", "no digits found !");
+ return;
+ }
+
+ // get the geometry
+ AliPHOSGeometry* geom = gime->PHOSGeometry();
+ if (!geom) {
+ Error("Digits2Raw", "no geometry found !");
+ return;
}
- AliPHOSGetter *gime = AliPHOSGetter::Instance( (fLoader->GetRunLoader()->GetFileName()).Data() ) ;
- Int_t eventNumber = gime->EventNumber();
- rec->SetEventRange(eventNumber, eventNumber) ; // do all the events
- rec->ExecuteTask("deb") ;
-
- // Creates AliESDtrack from AliPHOSRecParticles
- gime->Event(eventNumber, "P") ;
- TClonesArray *recParticles = gime->RecParticles();
- Int_t nOfRecParticles = recParticles->GetEntries();
- for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) {
- AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart));
- rp->Print();
- AliESDtrack * et = new AliESDtrack() ;
- // fills the ESDtrack
- Double_t xyz[3];
- for (Int_t ixyz=0; ixyz<3; ixyz++) xyz[ixyz] = rp->GetPos()[ixyz];
- et->SetPHOSposition(xyz) ;
- et->SetPHOSsignal (rp->Energy()) ;
- et->SetPHOSpid (rp->GetPID()) ;
- // add the track to the esd object
- esd->AddTrack(et);
- delete et;
+ // some digitization constants
+ const Int_t kDDLOffset = 0x600;
+ const Double_t kTimeMax = 1.28E-5;
+ const Int_t kTimeBins = 256;
+ const Double_t kTimePeak = 2.0E-6;
+ const Double_t kTimeRes = 1.5E-6;
+ const Int_t kThreshold = 3;
+ const Int_t kHighGainFactor = 40;
+ const Int_t kHighGainOffset = 0x200;
+
+ AliAltroBuffer* buffer = NULL;
+ Int_t prevDDL = -1;
+ Int_t adcValuesLow[kTimeBins];
+ Int_t adcValuesHigh[kTimeBins];
+
+ // loop over digits (assume ordered digits)
+ for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) {
+ AliPHOSDigit* digit = gime->Digit(iDigit);
+ if (digit->GetAmp() < kThreshold)
+ continue;
+ Int_t relId[4];
+ geom->AbsToRelNumbering(digit->GetId(), relId);
+ Int_t module = relId[0];
+
+ // Begin FIXME
+ if (relId[1] != 0)
+ continue; // ignore digits from CPV
+ // End FIXME
+
+ // PHOS EMCA has 4 DDL per module. Splitting is done based on the row number
+ Int_t iDDL = 4 * (module - 1) + (4 * (relId[2] - 1)) / geom->GetNPhi();
+
+ // new DDL
+ if (iDDL != prevDDL) {
+ // write real header and close previous file
+ if (buffer) {
+ buffer->Flush();
+ buffer->WriteDataHeader(kFALSE, kFALSE);
+ delete buffer;
+ }
+
+ // open new file and write dummy header
+ TString fileName("PHOS_") ;
+ fileName += (iDDL + kDDLOffset) ;
+ fileName += ".ddl" ;
+ buffer = new AliAltroBuffer(fileName.Data(), 1);
+ buffer->WriteDataHeader(kTRUE, kFALSE); //Dummy;
+
+ prevDDL = iDDL;
+ }
+
+ // out of time range signal (?)
+ if (digit->GetTime() > kTimeMax) {
+ buffer->FillBuffer(digit->GetAmp());
+ buffer->FillBuffer(kTimeBins); // time bin
+ buffer->FillBuffer(3); // bunch length
+ buffer->WriteTrailer(3, relId[3], relId[2], module); // trailer
+
+ // simulate linear rise and gaussian decay of signal
+ } else {
+ Bool_t highGain = kFALSE;
+
+ // fill time bin values :
+ // 1. the signal starts at the time given by the digit
+ // 2. the rise is linear and the maximum is reached kTimePeak after start
+ // 3. the decay is gaussian with a sigma of kTimeRes
+ // 4. the signal is binned into kTimeBins bins
+ for (Int_t iTime = 0; iTime < kTimeBins; iTime++) {
+ Double_t time = iTime * kTimeMax/kTimeBins;
+ Int_t signal = 0;
+ if (time < digit->GetTime() + kTimePeak) { // signal is rising
+ signal = static_cast<Int_t>(fRan->Rndm() + digit->GetAmp() *
+ (time - digit->GetTime()) / kTimePeak);
+ } else { // signal is decaying
+ signal = static_cast<Int_t>(fRan->Rndm() + digit->GetAmp() *
+ TMath::Gaus(time, digit->GetTime() + kTimePeak, kTimeRes));
+ }
+ if (signal < 0)
+ signal = 0;
+ adcValuesLow[iTime] = signal;
+ if (signal > 0x3FF) // larger than 10 bits
+ adcValuesLow[iTime] = 0x3FF;
+ adcValuesHigh[iTime] = signal / kHighGainFactor;
+ if (adcValuesHigh[iTime] > 0)
+ highGain = kTRUE;
+ }
+
+ // write low and eventually high gain channel
+ buffer->WriteChannel(relId[3], relId[2], module,
+ kTimeBins, adcValuesLow, kThreshold);
+ if (highGain) {
+ buffer->WriteChannel(relId[3], relId[2], module + kHighGainOffset,
+ kTimeBins, adcValuesHigh, 1);
+ }
+ }
+ }
+
+ // write real header and close last file
+ if (buffer) {
+ buffer->Flush();
+ buffer->WriteDataHeader(kFALSE, kFALSE);
+ delete buffer;
}
-}
+
+ gime->PhosLoader()->UnloadDigits();
+}
//____________________________________________________________________________
void AliPHOS::Hits2SDigits()
}
}
-//____________________________________________________________________________
-void AliPHOS::Reconstruct() const
-{
- // method called by AliReconstruction; it should not be called otherwise but the AliPHOSReconstructionner
- // should be called for stand alone reconstruction.
- // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
- // segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
- // the global tracking.
-
- AliPHOSReconstructioner * rec = new AliPHOSReconstructioner((fLoader->GetRunLoader()->GetFileName()).Data()) ;
- TList * taskslist = rec->GetListOfTasks() ;
- Int_t index ;
- TTask * task ;
- TString name ;
- // set all tasks inactive except clusterizer
- for (index = 0; index < taskslist->GetSize(); index++) {
- task = dynamic_cast<TTask *>(taskslist->At(index)) ;
- name = task->GetName() ;
- if ( !name.Contains(AliConfig::Instance()->GetReconstructionerTaskName()))
- task->SetActive(kFALSE) ;
- }
- rec->SetEventRange(0, -1) ; // do all the events
- rec->ExecuteTask("deb all") ;
-}
-
//____________________________________________________________________________
void AliPHOS::WriteQA()
{
//fTreeQA->Fill() ;
}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff