//
//*-- Author: Sahal Yacoob (LBL / UCT)
//*-- and : Yves Schutz (Subatech)
-
-#include <assert.h>
-// --- ROOT system ---
-#include "TString.h"
-#include "TObjArray.h"
-#include "TVector3.h"
+ //#include <assert.h>
-//class TObjArray ;
-//class TVector3;
-//class TMatrix ;
+// --- ROOT system ---
+class TString ;
+class TObjArray ;
+class TVector3 ;
+class TParticle ;
// --- AliRoot header files ---
#include "AliGeometry.h"
-
class AliEMCALGeometry : public AliGeometry {
-
-public:
-
+public:
AliEMCALGeometry() {
- // default ctor
- // must be kept public for root persistency purposes, but should never be called by the outside world
- } ;
-
- AliEMCALGeometry(const AliEMCALGeometry & geom) {
+ // default ctor, must be kept public for root persistency purposes,
+ // but should never be called by the outside world
+ };
+ AliEMCALGeometry(const AliEMCALGeometry& geom):AliGeometry(geom) {
// cpy ctor requested by Coding Convention but not yet needed
- assert(0==1) ;
- }
-
+ Fatal("Cpy ctor", "Not implemented");
+ };
virtual ~AliEMCALGeometry(void) ;
- static AliEMCALGeometry * GetInstance(const Text_t* name, const Text_t* title="") ;
- static AliEMCALGeometry * GetInstance() ;
-
- AliEMCALGeometry & operator = (const AliEMCALGeometry & rvalue) const {
+ static AliEMCALGeometry * GetInstance(const Text_t* name,
+ const Text_t* title="") ;
+ static AliEMCALGeometry * GetInstance() ;
+ AliEMCALGeometry & operator = (const AliEMCALGeometry & /*rvalue*/) const {
// assignement operator requested by coding convention but not needed
- assert(0==1) ;
+ Fatal("operator =", "not implemented") ;
return *(GetInstance()) ;
- }
+ };
+
+ const Bool_t AreInSameTower(Int_t id1, Int_t id2) const ;
virtual void GetGlobal(const AliRecPoint *, TVector3 &, TMatrix &) const {}
virtual void GetGlobal(const AliRecPoint *, TVector3 &) const {}
+ virtual Bool_t Impact(const TParticle *) const {return kTRUE;}
// General
-
- Bool_t IsInitialized(void) const { return fgInit ; }
-
+ Bool_t IsInitialized(void) const { return fgInit ; }
// Return EMCA geometrical parameters
-
// geometry
- const Float_t GetAirGap() const { return fAirGap ; }
+ const Float_t GetAlFrontThickness() const { return fAlFrontThick;}
const Float_t GetArm1PhiMin() const { return fArm1PhiMin ; }
const Float_t GetArm1PhiMax() const { return fArm1PhiMax ; }
- const Float_t GetArm1ZOffset() const {return fArm1ZOffset ;}
- const Float_t GetIPDistance() const { return fIPDistance ; }
+ const Float_t GetArm1EtaMin() const { return fArm1EtaMin;}
+ const Float_t GetArm1EtaMax() const { return fArm1EtaMax;}
+ const Float_t GetIPDistance() const { return fIPDistance ; }
+ const Float_t GetIP2PRESection() const { return (GetIPDistance() + GetAlFrontThickness() + GetGap2Active() ) ;}
+ const Float_t GetIP2ECASection() const { return ( GetIP2PRESection() + GetNPRLayers() * ( GetPRScintThick() + GetPRPbRadThick() ) ) ; }
+ const Float_t GetIP2HCASection() const { return ( GetIP2ECASection() + GetNECLayers() * ( GetECScintThick() + GetECPbRadThick() ) ) ; }
const Float_t GetEnvelop(Int_t index) const { return fEnvelop[index] ; }
const Float_t GetShellThickness() const { return fShellThickness ; }
const Float_t GetZLength() const { return fZLength ; }
const Float_t GetGap2Active() const {return fGap2Active ; }
- const Int_t GetNLayers() const {return fNLayers ;}
+ const Float_t GetDeltaEta() const {return (fArm1EtaMax-fArm1EtaMin)/
+ ((Float_t)fNZ);}
+ const Float_t GetDeltaPhi() const {return (fArm1PhiMax-fArm1PhiMin)/
+ ((Float_t)fNPhi);}
+ const Int_t GetNECLayers() const {return fNECLayers ;}
+ const Int_t GetNHCLayers() const {return fNHCLayers ;}
+ const Int_t GetNPRLayers() const {return fNPRLayers;}
const Int_t GetNZ() const {return fNZ ;}
+ const Int_t GetNEta() const {return fNZ ;}
const Int_t GetNPhi() const {return fNPhi ;}
+ const Int_t GetNTowers() const {return fNPhi * fNZ ;}
+ const Float_t GetPRPbRadThick()const {return fPRPbRadThickness;}
+ const Float_t GetECPbRadThick()const {return fECPbRadThickness;}
+ const Float_t GetHCCuRadThick()const {return fHCCuRadThickness;}
+ const Float_t GetPRScintThick() const {return fPRScintThick;}
+ const Float_t GetECScintThick() const {return fECScintThick;}
+ const Float_t GetHCScintThick() const {return fECScintThick;}
+ const Float_t GetSampling() const {return fSampling ; }
+ const Float_t GetSummationFraction() const {return fSummationFraction ; }
-protected:
+ const Bool_t IsInPRE(Int_t index) const { if ( (index > (GetNZ() * GetNPhi()) && (index <= 2 * (GetNZ() * GetNPhi())))) return kTRUE; else return kFALSE ;}
+ const Bool_t IsInECA(Int_t index) const { if ( (index > 0 && (index <= GetNZ() * GetNPhi()))) return kTRUE; else return kFALSE ;}
+ const Bool_t IsInHCA(Int_t index) const { if ( (index > 2*(GetNZ() * GetNPhi()) && (index <= 3 * (GetNZ() * GetNPhi())))) return kTRUE; else return kFALSE ;} ;
- AliEMCALGeometry(const Text_t* name, const Text_t* title="") : AliGeometry(name, title) {
- // ctor only for internal usage (singleton)
- Init() ;
+ Float_t AngleFromEta(Float_t eta){ // returns angle in radians for a given
+ // pseudorapidity.
+ return 2.0*TMath::ATan(TMath::Exp(-eta));
+ }
+ Float_t ZFromEtaR(Float_t r,Float_t eta){ // returns z in for a given
+ // pseudorapidity and r=sqrt(x*x+y*y).
+ return r/TMath::Tan(AngleFromEta(eta));
}
- void Init(void) ; // initializes the parameters of EMCAL
+ Int_t TowerIndex(Int_t iz,Int_t iphi) const; // returns tower index
+ // returns tower indexs iz, iphi.
+ void TowerIndexes(Int_t index,Int_t &iz,Int_t &iphi,Int_t &ipre) const;
+ // for a given tower index it returns eta and phi of center of that tower.
+ void EtaPhiFromIndex(Int_t index,Float_t &eta,Float_t &phi) const;
+ // returns x, y, and z (cm) on the inner surface of a given EMCAL Cell specified by relid.
+ void XYZFromIndex(const Int_t *relid,Float_t &x,Float_t &y, Float_t &z) const;
+ void XYZFromIndex(const Int_t absid, TVector3 &v) const;
+ // for a given eta and phi in the EMCAL it returns the tower index.
+ Int_t TowerIndexFromEtaPhi(Float_t eta,Float_t phi) const;
+ // for a given eta and phi in the EMCAL it returns the pretower index.
+ Int_t PreTowerIndexFromEtaPhi(Float_t eta,Float_t phi) const;
+ // Returns theta and phi (degree) for a given EMCAL cell indicated by relid or absid
+ void PosInAlice(const Int_t *relid, Float_t &theta, Float_t &phi) const ;
+ void PosInAlice(const Int_t absid, Float_t &theta, Float_t &phi) const ;
+ Bool_t AbsToRelNumbering(Int_t AbsId, Int_t *relid) const;
+ /*
+ // Returns kTRUE if the two indexs are neighboring towers or preshowers.
+ Boot_t AliEMCALGeometry::AreNeighbours(Int_t index1,Int_t index2) const;
+ */
+
+ void SetNZ(Int_t nz) { fNZ= nz ; Info("SetNZ", "Number of modules in Z set to %d", fNZ) ; }
+ void SetNPhi(Int_t nphi) { fNPhi= nphi ; Info("SetNPhi", "Number of modules in Phi set to %d", fNPhi) ; }
+ void SetSampling(Float_t samp) { fSampling = samp; Info("SetSampling", "Sampling factor set to %f", fSampling) ; }
+protected:
+ AliEMCALGeometry(const Text_t* name, const Text_t* title="") :
+ AliGeometry(name, title) {// ctor only for internal usage (singleton)
+ Init();
+ };
+ void Init(void) ; // initializes the parameters of EMCAL
+
private:
-
- static AliEMCALGeometry * fgGeom ; // pointer to the unique instance of the singleton
- static Bool_t fgInit ; // Tells if geometry has been succesfully set up
-
- // geometry
- Float_t fAirGap ; // Distance between envelop and active material
- Float_t fArm1PhiMin ; // Minimum phi angle covered by Arm 1
- Float_t fArm1PhiMax ; // Maximum phi angle covered by Arm 1
- Float_t fArm1ZOffset ; // Distance from z = 0 of Arm 1
-
-// It is assumed that Arm1 and Arm2 have the same following parameters
- Float_t fEnvelop[3] ; // the GEANT TUB that contains the 2 arms
- Float_t fIPDistance ; // Distance of the inner surface to the interaction point
- Float_t fShellThickness ; // Total thickness in (x,y) direction
- Float_t fZLength ; // Total length in z direction
- Float_t fGap2Active ; // Gap between the envelop and the active material
- Int_t fNLayers ; // Number of layers of material in the R direction
- Int_t fNZ ; // Number of Towers in the Z direction
- Int_t fNPhi ; //Number of Towers in the Phi Direction
-
- ClassDef(AliEMCALGeometry,1) // EMCAL geometry class
-
-} ;
+ static AliEMCALGeometry * fgGeom ; // pointer to the unique instance
+ // of the singleton
+ static Bool_t fgInit;// Tells if geometry has been succesfully set up.
+ Float_t fAlFrontThick; // Thickness of the front Al face of the support box
+
+ Float_t fPRPbRadThickness ; // cm, Thickness of the Pb radiators for the preshower section
+ Float_t fPRScintThick ; // cm, Thickness of the sintilator for the preshower section of the tower
+ Int_t fNPRLayers ; // number of scintillator layers in the preshower section
+
+ Float_t fECPbRadThickness ; // cm, Thickness of the Pb radiators for the EM calorimeter section
+ Float_t fECScintThick ; // cm, Thickness of the sintilator for the EM alorimeter section of the tower
+ Int_t fNECLayers ; // number of scintillator layers in the EM calorimeter section
+
+ Float_t fHCCuRadThickness ; // cm, Thickness of the Cu radiators.
+ Float_t fHCScintThick ; // cm, Thickness of the sintilator for the hadronic alorimeter section of the tower
+ Int_t fNHCLayers ; // number of scintillator layers in the hadronic calorimeter section
+
+ Float_t fArm1PhiMin; // Minimum angular position of EMCAL in Phi (degrees)
+ Float_t fArm1PhiMax; // Maximum angular position of EMCAL in Phi (degrees)
+ Float_t fArm1EtaMin; // Minimum pseudorapidity position of EMCAL in Eta
+ Float_t fArm1EtaMax; // Maximum pseudorapidity position of EMCAL in Eta
+
+ // It is assumed that Arm1 and Arm2 have the same following parameters
+ Float_t fEnvelop[3]; // the GEANT TUB for the detector
+ Float_t fIPDistance; // Radial Distance of the inner surface of the EMCAL
+ Float_t fShellThickness; // Total thickness in (x,y) direction
+ Float_t fZLength; // Total length in z direction
+ Float_t fGap2Active; // Gap between the envelop and the active material
+ Int_t fNZ; // Number of Towers in the Z direction
+ Int_t fNPhi; // Number of Towers in the Phi Direction
+ Float_t fSampling; // Sampling factor
+ Float_t fSummationFraction; // Fraction of the energy collected in the PRE section to be added to the EC section
+
+ ClassDef(AliEMCALGeometry,6) // EMCAL geometry class
+
+ };
#endif // AliEMCALGEOMETRY_H
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff