//_________________________________________________________________________
// Implementation version v0 of PHOS Manager class
// Layout EMC + PPSD has name GPS2
+// An object of this class does not produce hits nor digits
+// It is the one to use if you do not want to produce outputs in TREEH or TREED
//
//*-- Author: Yves Schutz (SUBATECH)
#include "TBRIK.h"
#include "TNode.h"
#include "TRandom.h"
+#include "TGeometry.h"
+
// --- Standard library ---
// --- AliRoot header files ---
#include "AliPHOSv0.h"
-#include "AliPHOSHit.h"
-#include "AliPHOSDigit.h"
-#include "AliPHOSReconstructioner.h"
#include "AliRun.h"
#include "AliConst.h"
+#include "AliMC.h"
ClassImp(AliPHOSv0)
-//____________________________________________________________________________
-AliPHOSv0::AliPHOSv0()
-{
- // ctor
- fNTmpHits = 0 ;
- fTmpHits = 0 ;
-}
-
//____________________________________________________________________________
AliPHOSv0::AliPHOSv0(const char *name, const char *title):
AliPHOS(name,title)
{
// ctor : title is used to identify the layout
// GPS2 = 5 modules (EMC + PPSD)
- // We use 2 arrays of hits :
- //
- // - fHits (the "normal" one), which retains the hits associated with
- // the current primary particle being tracked
- // (this array is reset after each primary has been tracked).
- //
- // - fTmpHits, which retains all the hits of the current event. It
- // is used for the digitization part.
-
- fPinElectronicNoise = 0.010 ;
- fDigitThreshold = 1. ; // 1 GeV
-
- // We do not want to save in TreeH the raw hits
- // fHits = new TClonesArray("AliPHOSHit",100) ;
- // gAlice->AddHitList(fHits) ;
-
- // But save the cumulated hits instead (need to create the branch myself)
- // It is put in the Digit Tree because the TreeH is filled after each primary
- // and the TreeD at the end of the event (branch is set in FinishEvent() ).
-
- fTmpHits= new TClonesArray("AliPHOSHit",100) ;
-
- fNTmpHits = fNhits = 0 ;
-
- fDigits = new TClonesArray("AliPHOSDigit",100) ;
-
-
- fIshunt = 1 ; // All hits are associated with primary particles
// gets an instance of the geometry parameters class
-
- fGeom = AliPHOSGeometry::GetInstance(title, "") ;
- if (fGeom->IsInitialized() )
- cout << "AliPHOSv0 : PHOS geometry intialized for " << fGeom->GetName() << endl ;
- else
- cout << "AliPHOSv0 : PHOS geometry initialization failed !" << endl ;
-}
-//____________________________________________________________________________
-AliPHOSv0::AliPHOSv0(AliPHOSReconstructioner * Reconstructioner, const char *name, const char *title):
- AliPHOS(name,title)
-{
- // ctor : title is used to identify the layout
- // GPS2 = 5 modules (EMC + PPSD)
- // We use 2 arrays of hits :
- //
- // - fHits (the "normal" one), which retains the hits associated with
- // the current primary particle being tracked
- // (this array is reset after each primary has been tracked).
- //
- // - fTmpHits, which retains all the hits of the current event. It
- // is used for the digitization part.
+ if (strcmp(GetTitle(),"") != 0 )
+ fGeom = AliPHOSGeometry::GetInstance(GetTitle(), "") ;
- fPinElectronicNoise = 0.010 ;
-
- // We do not want to save in TreeH the raw hits
- //fHits = new TClonesArray("AliPHOSHit",100) ;
-
- fDigits = new TClonesArray("AliPHOSDigit",100) ;
- fTmpHits= new TClonesArray("AliPHOSHit",100) ;
-
- fNTmpHits = fNhits = 0 ;
-
- fIshunt = 1 ; // All hits are associated with primary particles
-
- // gets an instance of the geometry parameters class
- fGeom = AliPHOSGeometry::GetInstance(title, "") ;
-
- if (fGeom->IsInitialized() )
- cout << "AliPHOSv0 : PHOS geometry intialized for " << fGeom->GetName() << endl ;
- else
- cout << "AliPHOSv0 : PHOS geometry initialization failed !" << endl ;
-
- // Defining the PHOS Reconstructioner
-
- fReconstructioner = Reconstructioner ;
}
-//____________________________________________________________________________
-AliPHOSv0::~AliPHOSv0()
-{
- // dtor
-
- fTmpHits->Delete() ;
- delete fTmpHits ;
- fTmpHits = 0 ;
-
- fEmcClusters->Delete() ;
- delete fEmcClusters ;
- fEmcClusters = 0 ;
-
- fPpsdClusters->Delete() ;
- delete fPpsdClusters ;
- fPpsdClusters = 0 ;
-
- fTrackSegments->Delete() ;
- delete fTrackSegments ;
- fTrackSegments = 0 ;
-}
-
-//____________________________________________________________________________
-void AliPHOSv0::AddHit(Int_t primary, Int_t Id, Float_t * hits)
-{
- // Add a hit to the hit list.
- // A PHOS hit is the sum of all hits in a single crystal
- // or in a single PPSD gas cell
-
- Int_t hitCounter ;
- TClonesArray <mphits = *fTmpHits ;
- AliPHOSHit *newHit ;
- AliPHOSHit *curHit ;
- // AliPHOSHit *curHit2 ;
- Bool_t deja = kFALSE ;
-
- // In any case, fills the fTmpHit TClonesArray (with "accumulated hits")
-
- newHit = new AliPHOSHit(primary, Id, hits) ;
-
- // We do not want to save in TreeH the raw hits
- // TClonesArray &lhits = *fHits;
-
- for ( hitCounter = 0 ; hitCounter < fNTmpHits && !deja ; hitCounter++ ) {
- curHit = (AliPHOSHit*) ltmphits[hitCounter] ;
- if( *curHit == *newHit ) {
- *curHit = *curHit + *newHit ;
- deja = kTRUE ;
- }
- }
-
- if ( !deja ) {
- new(ltmphits[fNTmpHits]) AliPHOSHit(*newHit) ;
- fNTmpHits++ ;
- }
-
- // We do not want to save in TreeH the raw hits
- // new(lhits[fNhits]) AliPHOSHit(*newHit) ;
- // fNhits++ ;
-
- // Please note that the fTmpHits array must survive up to the
- // end of the events, so it does not appear e.g. in ResetHits() (
- // which is called at the end of each primary).
-
- delete newHit;
-
-}
-
-
//____________________________________________________________________________
void AliPHOSv0::BuildGeometry()
{
crystalsboxnode->SetLineColor(kColorXTAL) ;
fNodes->Add(crystalsboxnode) ;
}
+
+ delete[] rotname ;
+ delete[] nodename ;
}
//____________________________________________________________________________
}
} // PHOS modules
- delete rotname ;
- delete nodename ;
+ delete[] rotname ;
+ delete[] nodename ;
}
}
-//___________________________________________________________________________
-Int_t AliPHOSv0::Digitize(Float_t Energy)
-{
- // Applies the energy calibration
-
- Float_t fB = 100000000. ;
- Float_t fA = 0. ;
- Int_t chan = Int_t(fA + Energy*fB ) ;
- return chan ;
-}
-
-//___________________________________________________________________________
-void AliPHOSv0::FinishEvent()
-{
- // Makes the digits from the sum of summed hit in a single crystal or PPSD gas cell
- // Adds to the energy the electronic noise
- // Keeps digits with energy above fDigitThreshold
-
- // Save the cumulated hits instead of raw hits (need to create the branch myself)
- // It is put in the Digit Tree because the TreeH is filled after each primary
- // and the TreeD at the end of the event.
- if ( fTmpHits && gAlice->TreeD() ) {
- char branchname[10] ;
- sprintf(branchname, "%sCH", GetName()) ;
- gAlice->TreeD()->Branch(branchname, &fTmpHits, fBufferSize) ;
- } else
- cout << "AliPHOSv0::AliPHOSv0: Failed to create branch PHOSCH in TreeD " << endl ;
-
- Int_t i ;
- Int_t relid[4];
- Int_t j ;
- TClonesArray &lDigits = *fDigits ;
- AliPHOSHit * hit ;
- AliPHOSDigit * newdigit ;
- AliPHOSDigit * curdigit ;
- Bool_t deja = kFALSE ;
-
- for ( i = 0 ; i < fNTmpHits ; i++ ) {
- hit = (AliPHOSHit*)fTmpHits->At(i) ;
- newdigit = new AliPHOSDigit( hit->GetPrimary(), hit->GetId(), Digitize( hit->GetEnergy() ) ) ;
- deja =kFALSE ;
- for ( j = 0 ; j < fNdigits ; j++) {
- curdigit = (AliPHOSDigit*) lDigits[j] ;
- if ( *curdigit == *newdigit) {
- *curdigit = *curdigit + *newdigit ;
- deja = kTRUE ;
- }
- }
- if ( !deja ) {
- new(lDigits[fNdigits]) AliPHOSDigit(* newdigit) ;
- fNdigits++ ;
- }
-
- delete newdigit ;
- }
-
- // Noise induced by the PIN diode of the PbWO crystals
-
- Float_t energyandnoise ;
- for ( i = 0 ; i < fNdigits ; i++ ) {
- newdigit = (AliPHOSDigit * ) fDigits->At(i) ;
- fGeom->AbsToRelNumbering(newdigit->GetId(), relid) ;
-
- if (relid[1]==0){ // Digits belong to EMC (PbW0_4 crystals)
- energyandnoise = newdigit->GetAmp() + Digitize(gRandom->Gaus(0., fPinElectronicNoise)) ;
-
- if (energyandnoise < 0 )
- energyandnoise = 0 ;
-
- if ( newdigit->GetAmp() < fDigitThreshold ) // if threshold not surpassed, remove digit from list
- fDigits->RemoveAt(i) ;
- }
- }
-
- fDigits->Compress() ;
-
- fNdigits = fDigits->GetEntries() ;
- for (i = 0 ; i < fNdigits ; i++) {
- newdigit = (AliPHOSDigit *) fDigits->At(i) ;
- newdigit->SetIndexInList(i) ;
- }
-
-}
//____________________________________________________________________________
void AliPHOSv0::Init(void)
// Here the PHOS initialisation code (if any!)
+ if (fGeom!=0)
+ cout << "AliPHOS" << Version() << " : PHOS geometry intialized for " << fGeom->GetName() << endl ;
+ else
+ cout << "AliPHOS" << Version() << " : PHOS geometry initialization failed !" << endl ;
+
for(i=0;i<80;i++) printf("*");
printf("\n");
}
-//___________________________________________________________________________
-void AliPHOSv0::MakeBranch(Option_t* opt)
-{
- // Create new branche in the current Root Tree in the digit Tree
-
- AliDetector::MakeBranch(opt) ;
-
- char branchname[10];
- sprintf(branchname,"%s",GetName());
- char *cdD = strstr(opt,"D");
-
- if (fDigits && gAlice->TreeD() && cdD) {
- gAlice->TreeD()->Branch(branchname, &fDigits, fBufferSize);
- }
-}
-
-//_____________________________________________________________________________
-void AliPHOSv0::Reconstruction(AliPHOSReconstructioner * Reconstructioner)
-{
- // 1. Reinitializes the existing RecPoint, TrackSegment, and RecParticles Lists and
- // 2. Creates TreeR wit a branch for each list
- // 3. Steers the reconstruction processes
- // 4. Saves the 3 lists in TreeR
- // 5. Write the Tree to File
-
- fReconstructioner = Reconstructioner ;
-
- char branchname[10] ;
-
- // 1.
-
- gAlice->MakeTree("R") ;
- Int_t splitlevel = 0 ;
-
- if (fEmcClusters) {
- fEmcClusters->Delete() ;
- delete fEmcClusters ;
- fEmcClusters = 0 ;
- }
-
- // fEmcClusters= new RecPointsList("AliPHOSEmcRecPoint", 100) ; if TClonesArray
- fEmcClusters= new RecPointsList(100) ;
-
- if ( fEmcClusters && gAlice->TreeR() ) {
- sprintf(branchname,"%sEmcRP",GetName()) ;
-
- // gAlice->TreeR()->Branch(branchname, &fEmcClusters, fBufferSize); if TClonesArray
- gAlice->TreeR()->Branch(branchname, "TObjArray", &fEmcClusters, fBufferSize, splitlevel) ;
- }
-
- if (fPpsdClusters) {
- fPpsdClusters->Delete() ;
- delete fPpsdClusters ;
- fPpsdClusters = 0 ;
- }
-
- // fPpsdClusters = new RecPointsList("AliPHOSPpsdRecPoint", 100) ; if TClonesArray
- fPpsdClusters = new RecPointsList(100) ;
-
- if ( fPpsdClusters && gAlice->TreeR() ) {
- sprintf(branchname,"%sPpsdRP",GetName()) ;
-
- // gAlice->TreeR()->Branch(branchname, &fPpsdClusters, fBufferSize); if TClonesArray
- gAlice->TreeR()->Branch(branchname, "TObjArray", &fPpsdClusters, fBufferSize, splitlevel);
- }
-
- if (fTrackSegments) {
- fTrackSegments->Delete() ;
- delete fTrackSegments ;
- fTrackSegments = 0 ;
- }
-
- fTrackSegments = new TrackSegmentsList("AliPHOSTrackSegment", 100) ;
- if ( fTrackSegments && gAlice->TreeR() ) {
- sprintf(branchname,"%sTS",GetName()) ;
- gAlice->TreeR()->Branch(branchname, &fTrackSegments, fBufferSize);
- }
-
- if (fRecParticles) {
- fRecParticles->Delete() ;
- delete fRecParticles ;
- fRecParticles = 0 ;
- }
- fRecParticles = new RecParticlesList("AliPHOSRecParticle", 100) ;
- if ( fRecParticles && gAlice->TreeR() ) {
- sprintf(branchname,"%sRP",GetName()) ;
- gAlice->TreeR()->Branch(branchname, &fRecParticles, fBufferSize);
- }
-
- // 3.
-
- fReconstructioner->Make(fDigits, fEmcClusters, fPpsdClusters, fTrackSegments, fRecParticles);
-
- // 4. Expand or Shrink the arrays to the proper size
-
- Int_t size ;
-
- size = fEmcClusters->GetEntries() ;
- fEmcClusters->Expand(size) ;
-
- size = fPpsdClusters->GetEntries() ;
- fPpsdClusters->Expand(size) ;
-
- size = fTrackSegments->GetEntries() ;
- fTrackSegments->Expand(size) ;
-
- size = fRecParticles->GetEntries() ;
- fRecParticles->Expand(size) ;
-
- gAlice->TreeR()->Fill() ;
-
- // 5.
-
- gAlice->TreeR()->Write() ;
-
-}
-
-//____________________________________________________________________________
-void AliPHOSv0::ResetDigits()
-{
- // May sound strange, but cumulative hits are store in digits Tree
-
- if( fTmpHits ) {
- fTmpHits->Delete();
- fNTmpHits = 0 ;
- }
-}
-
-//____________________________________________________________________________
-void AliPHOSv0::StepManager(void)
-{
- // Accumulates hits as long as the track stays in a single crystal or PPSD gas Cell
-
- Int_t relid[4] ; // (box, layer, row, column) indices
- Float_t xyze[4] ; // position wrt MRS and energy deposited
- TLorentzVector pos ;
- Int_t copy ;
-
- Int_t primary = gAlice->GetPrimary( gAlice->CurrentTrack() );
- TString name = fGeom->GetName() ;
- if ( name == "GPS2" ) { // the CPV is a PPSD
- if( gMC->CurrentVolID(copy) == gMC->VolId("GCEL") ) // We are inside a gas cell
- {
- gMC->TrackPosition(pos) ;
- xyze[0] = pos[0] ;
- xyze[1] = pos[1] ;
- xyze[2] = pos[2] ;
- xyze[3] = gMC->Edep() ;
-
- if ( xyze[3] != 0 ) { // there is deposited energy
- gMC->CurrentVolOffID(5, relid[0]) ; // get the PHOS Module number
- gMC->CurrentVolOffID(3, relid[1]) ; // get the Micromegas Module number
- // 1-> Geom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() upper
- // > fGeom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() lower
- gMC->CurrentVolOffID(1, relid[2]) ; // get the row number of the cell
- gMC->CurrentVolID(relid[3]) ; // get the column number
-
- // get the absolute Id number
-
- Int_t absid ;
- fGeom->RelToAbsNumbering(relid, absid) ;
-
- // add current hit to the hit list
- AddHit(primary, absid, xyze);
-
- } // there is deposited energy
- } // We are inside the gas of the CPV
- } // GPS2 configuration
-
- if(gMC->CurrentVolID(copy) == gMC->VolId("PXTL") ) // We are inside a PBWO crystal
- {
- gMC->TrackPosition(pos) ;
- xyze[0] = pos[0] ;
- xyze[1] = pos[1] ;
- xyze[2] = pos[2] ;
- xyze[3] = gMC->Edep() ;
-
- if ( xyze[3] != 0 ) {
- gMC->CurrentVolOffID(10, relid[0]) ; // get the PHOS module number ;
- relid[1] = 0 ; // means PBW04
- gMC->CurrentVolOffID(4, relid[2]) ; // get the row number inside the module
- gMC->CurrentVolOffID(3, relid[3]) ; // get the cell number inside the module
-
- // get the absolute Id number
-
- Int_t absid ;
- fGeom->RelToAbsNumbering(relid, absid) ;
-
- // add current hit to the hit list
-
- AddHit(primary, absid, xyze);
-
- } // there is deposited energy
- } // we are inside a PHOS Xtal
-}
-