#include "TBRIK.h"
#include "TNode.h"
#include "TParticle.h"
+#include "TTree.h"
+#include "TGeometry.h"
+#include "TFile.h"
// --- Standard library ---
-#include <stdio.h>
-
// --- AliRoot header files ---
-
+#include "AliPHOSFastRecParticle.h"
+#include "AliPHOSGeometry.h"
#include "AliPHOSv4.h"
+#include "AliPHOSGetter.h"
#include "AliRun.h"
#include "AliConst.h"
ClassImp(AliPHOSv4)
+//____________________________________________________________________________
+AliPHOSv4::AliPHOSv4() : AliPHOS()
+{
+ // default ctor : initialize data member
+ fBigBoxX = 0. ;
+ fBigBoxY = 0. ;
+ fBigBoxZ = 0. ;
+ fFastRecParticles = 0 ;
+ fNRecParticles = 0 ;
+ fRan = 0 ;
+ fResPara1 = 0. ;
+ fResPara2 = 0. ;
+ fResPara3 = 0. ;
+ fPosParaA0 = 0. ;
+ fPosParaA1 = 0. ;
+ fPosParaB0 = 0. ;
+ fPosParaB1 = 0. ;
+ fPosParaB2 = 0. ;
+
+}
+
//____________________________________________________________________________
AliPHOSv4::AliPHOSv4(const char *name, const char *title):
AliPHOS(name,title)
{
// ctor
- // gets an instance of the geometry parameters class
-
- if ( strcmp(title, "") != 0 )
- fGeom = AliPHOSGeometry::GetInstance(title, "") ;
- if (fGeom != 0 ) {
- cout << "AliPHOSv4 : PHOS geometry intialized for " << fGeom->GetName() << endl ;
+ // create the geometry parameters object
+ // and post it to a folder (Post retrieves the correct geometry)
+ AliPHOSGetter::GetInstance(gDirectory->GetName(), 0)->PostGeometry() ;
- SetBigBox(0, fGeom->GetOuterBoxSize(0) ) ;
- SetBigBox(1, fGeom->GetOuterBoxSize(1) + fGeom->GetPPSDBoxSize(1) ) ;
- SetBigBox(2, fGeom->GetOuterBoxSize(0) );
+ SetBigBox(0, GetGeometry()->GetOuterBoxSize(0) ) ;
+ SetBigBox(1, GetGeometry()->GetOuterBoxSize(1) + GetGeometry()->GetCPVBoxSize(1) ) ;
+ SetBigBox(2, GetGeometry()->GetOuterBoxSize(0) );
fNRecParticles = 0 ;
fFastRecParticles = new AliPHOSFastRecParticle::FastRecParticlesList("AliPHOSFastRecParticle", 100) ;
-
+
fResPara1 = 0.030 ; // GeV
fResPara2 = 0.00003 ;
fResPara3 = 0.00001 ;
fPosParaB0 = 0.257 ;
fPosParaB1 = 0.137 ;
fPosParaB2 = 0.00619 ;
- }
- else
- cout << "AliPHOSv4 : PHOS geometry initialization failed !" << endl ;
}
//____________________________________________________________________________
// position PHOS into ALICE
- Float_t r = fGeom->GetIPtoCrystalSurface() + GetBigBox(1) / 2.0 ;
+ Float_t r = GetGeometry()->GetIPtoCrystalSurface() + GetBigBox(1) / 2.0 ;
Int_t number = 988 ;
- Float_t pphi = TMath::ATan( GetBigBox(0) / ( 2.0 * fGeom->GetIPtoCrystalSurface() ) ) ;
+ Float_t pphi = TMath::ATan( GetBigBox(0) / ( 2.0 * GetGeometry()->GetIPtoCrystalSurface() ) ) ;
pphi *= kRADDEG ;
TNode * top = gAlice->GetGeometry()->GetNode("alice") ;
char * nodename = new char[20] ;
char * rotname = new char[20] ;
- for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) {
- Float_t angle = pphi * 2 * ( i - fGeom->GetNModules() / 2.0 - 0.5 ) ;
+ for( Int_t i = 1; i <= GetGeometry()->GetNModules(); i++ ) {
+ Float_t angle = pphi * 2 * ( i - GetGeometry()->GetNModules() / 2.0 - 0.5 ) ;
sprintf(rotname, "%s%d", "rot", number++) ;
new TRotMatrix(rotname, rotname, 90, angle, 90, 90 + angle, 0, 0);
top->cd();
{
// Create the geometry for GEANT
- AliPHOSv4 *phostmp = (AliPHOSv4*)gAlice->GetModule("PHOS") ;
+ AliPHOSv4 *phostmp = dynamic_cast<AliPHOSv4*>(gAlice->GetModule("PHOS")) ;
if ( phostmp == NULL ) {
Int_t idrotm[99] ;
Double_t const kRADDEG = 180.0 / kPI ;
- for( Int_t i = 1; i <= fGeom->GetNModules(); i++ ) {
+ for( Int_t i = 1; i <= GetGeometry()->GetNModules(); i++ ) {
- Float_t angle = fGeom->GetPHOSAngle(i) ;
+ Float_t angle = GetGeometry()->GetPHOSAngle(i) ;
AliMatrix(idrotm[i-1], 90.0, angle, 90.0, 90.0+angle, 0.0, 0.0) ;
- Float_t r = fGeom->GetIPtoCrystalSurface() + GetBigBox(1) / 2.0 ;
+ Float_t r = GetGeometry()->GetIPtoCrystalSurface() + GetBigBox(1) / 2.0 ;
Float_t xP1 = r * TMath::Sin( angle / kRADDEG ) ;
Float_t yP1 = -r * TMath::Cos( angle / kRADDEG ) ;
}
//___________________________________________________________________________
-Float_t AliPHOSv4::GetBigBox(Int_t index)
+Float_t AliPHOSv4::GetBigBox(Int_t index) const
{
// Get the X, Y or Z dimension of the box describing a PHOS module
}
//___________________________________________________________________________
-void AliPHOSv4::MakeBranch(Option_t* opt)
+void AliPHOSv4::MakeBranch(Option_t* opt, const char *file)
{
// Create new branch in the current reconstructed Root Tree
- AliDetector::MakeBranch(opt) ;
+ AliDetector::MakeBranch(opt,file) ;
char branchname[10];
sprintf(branchname,"%s",GetName());
- char *cd = strstr(opt,"R");
+ const char *cd = strstr(opt,"R");
if (fFastRecParticles && gAlice->TreeR() && cd) {
- gAlice->TreeR()->Branch(branchname, &fFastRecParticles, fBufferSize);
+ MakeBranchInTree(gAlice->TreeR(),
+ branchname, &fFastRecParticles, fBufferSize, file);
}
}
// get the angle of incidence
Double_t incidencetheta = 90. * TMath::Pi() /180 - rp.Theta() ;
- Double_t incidencephi = ( 270 + fGeom->GetPHOSAngle(modid) ) * TMath::Pi() / 180. - rp.Phi() ;
+ Double_t incidencephi = ( 270 + GetGeometry()->GetPHOSAngle(modid) ) * TMath::Pi() / 180. - rp.Phi() ;
// get the detected direction
}
//____________________________________________________________________________
-Double_t AliPHOSv4::SigmaP(Double_t energy, Int_t incidence)
+Double_t AliPHOSv4::SigmaP(Double_t energy, Double_t incidence)
{
// Calculates the energy dependent position resolution
void AliPHOSv4::StepManager(void)
{
// Only verifies if the particle reaches PHOS and stops the tracking
-
+
Int_t primary = gAlice->GetPrimary( gAlice->CurrentTrack() );
+
TLorentzVector lv ;
gMC->TrackPosition(lv) ;
TVector3 pos = lv.Vect() ;
Int_t modid ;
gMC->CurrentVolID(modid);
- // Makes a reconstructed particle from the primary particle
+ Float_t energy = gMC->Etot() ; //Total energy of current track
- TClonesArray * particlelist = gAlice->Particles() ;
- TParticle * part = (TParticle *)particlelist->At(primary) ;
+ //Calculating mass of current particle
+ TDatabasePDG * pdg = TDatabasePDG::Instance() ;
+ TParticlePDG * partPDG = pdg->GetParticle(gMC->TrackPid()) ;
+ Float_t mass = partPDG->Mass() ;
- AliPHOSFastRecParticle rp(*part) ;
- rp.SetPrimary(primary) ;
+ if(energy > mass){
+ pos.SetMag(TMath::Sqrt(energy*energy-mass*mass)) ;
+ TLorentzVector pTrack(pos, energy) ;
- // Adds the response of PHOS to the particle
+ TParticle * part = new TParticle(gMC->TrackPid(), 0,-1,-1,-1,-1, pTrack, lv) ;
+
+ AliPHOSFastRecParticle rp(*part) ;
+ rp.SetPrimary(primary) ;
- MakeRecParticle(modid, pos, rp) ;
-
- // add the primary particle to the FastRecParticles list
+ // Adds the response of PHOS to the particle
+ MakeRecParticle(modid, pos, rp) ;
+
+ // add the `track' particle to the FastRecParticles list
- AddRecParticle(rp) ;
+ AddRecParticle(rp) ;
+ part->Delete() ;
+ }
// stop the track as soon PHOS is reached
gMC->StopTrack() ;