Reading Trees branches directly to the TFolders added

[u/mrichter/AliRoot.git] / PHOS / AliPHOSvFast.h

diff --git a/PHOS/AliPHOSvFast.h b/PHOS/AliPHOSvFast.h
index 00ef13f73772bc0e717d107a571e94dd46913cfb..d1232d798ba7928f304af8b9f49d2396687d9129 100644 (file)
--- a/PHOS/AliPHOSvFast.h
+++ b/PHOS/AliPHOSvFast.h
@@ -3,24 +3,26 @@
 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
  * See cxx source for full Copyright notice                               */
 
-////////////////////////////////////////////////
-//  Manager class  for PHOS                   //
-//  Version SUBATECH                          //
-//  Author  Y. Schutz SUBATECH                //
-//       This is the class to be used for     //  
-//       fast simulations                     //
-////////////////////////////////////////////////
-
 /* $Id$ */
 
+//_________________________________________________________________________
+// Implementation of the PHOS manager class for fast simulations     
+// Tracks particles until the reach a grossly designed PHOS module
+// Modify the particles property (momentum, energy, type) according to
+//  the PHOS response function. The result is called a virtual reconstructed
+//  particle.                                
+//                  
+//*-- Author: Yves Schutz (SUBATECH)
+
 // --- ROOT system ---
 #include "TClonesArray.h"
+#include "TRandom.h"
 
 // --- AliRoot header files ---
 #include "AliPHOS.h"
 #include "AliPHOSGeometry.h"
 #include "AliPHOSPID.h"
-
+class AliPHOSFastRecParticle ;
 
 class AliPHOSvFast : public AliPHOS {
 
@@ -28,30 +30,59 @@ public:
 
   AliPHOSvFast(void) ;
   AliPHOSvFast(const char *name, const char *title="") ;
+  AliPHOSvFast(const AliPHOSvFast & fast) {
+    // cpy ctor: no implementation yet
+    // requested by the Coding Convention
+    assert(0==1) ; 
+  }
   virtual ~AliPHOSvFast(void) ;
 
-  void           AddRecParticle(Int_t primary) ;                    // adds primary particle to the RecParticles list
-  virtual void   BuildGeometry(void) ;                              // creates the geometry for the ROOT display
-  virtual void   CreateGeometry(void) ;                             // creates the geometry for GEANT
+  void           AddRecParticle(const AliPHOSFastRecParticle & rp) ; // adds primary particle to the RecParticles list
+  virtual void   BuildGeometry(void) ;                               // creates the geometry for the ROOT display
+  virtual void   CreateGeometry(void) ;                              // creates the geometry for GEANT
   Float_t        GetBigBox(Int_t index) ;                             
-  virtual AliPHOSGeometry * GetGeometry() { return fGeom ; }  
-  virtual void   Init(void) ;                                       // does nothing
+  virtual void   Init(void) ;                                        // does nothing
   Int_t   IsVersion(void) const { return -1 ; }
-  void           MakeBranch(Option_t* opt) ;
-  RecParticlesList * RecParticles() { return fRecParticles ; }      // gets TClonesArray of reconstructed particles
-  void           SetBigBox(Int_t index, Float_t value) ;                             
-  virtual void   StepManager(void) ;                                // does the tracking through PHOS and a preliminary digitalization
+  void    MakeBranch(Option_t* opt, const char *file=0) ;
+  Double_t MakeEnergy(const Double_t energy) ;                       // makes the detected energy    
+  TVector3 MakePosition(const Double_t energy, const TVector3 pos, const Double_t th, const Double_t ph) ; 
+                                                                     // makes the detected position
+  void MakeRecParticle(const Int_t modid, const TVector3 pos, AliPHOSFastRecParticle & rp) ;  // makes a reconstructes particle from primary
+  Int_t   MakeType(AliPHOSFastRecParticle & rp) ;                    // gets the detected type of particle
+  // gets TClonesArray of reconstructed particles
+  TClonesArray * FastRecParticles() { return fFastRecParticles ; } 
+  virtual void ResetPoints() ; 
+  void         ResetFastRecParticles() ; 
+  void         SetBigBox(Int_t index, Float_t value) ;                             
+  Double_t     SigmaE(Double_t energy) ;    // calulates the energy resolution at a given Energy                           
+  Double_t     SigmaP(Double_t energy, Int_t inc) ; // calulates the position resolution at a given Energy at a given incidence                           
+  virtual void StepManager(void) ;          // does the tracking through PHOS and a preliminary digitalization
+
+  AliPHOSvFast & operator = (const AliPHOSvFast & rvalue)  {
+    // assignement operator requested by coding convention
+    // but not needed
+    assert(0==1) ;
+    return *this ; 
+  }
   
 private:
   
-  Float_t fBigBoxX ;                    // main box containing all PHOS (EMC+PPSD)
-  Float_t fBigBoxY ;                    // main box containing all PHOS (EMC+PPSD)
-  Float_t fBigBoxZ ;                    // main box containing all PHOS (EMC+PPSD)
-  AliPHOSGeometry * fGeom ;             // geometry definition
-  Int_t fNRecParticles ;                // number of detected particles
-  RecParticlesList * fRecParticles ;    // list of detected particles 
-
-  ClassDef(AliPHOSvFast,1)  // PHOS main class , version for fast simulation
+  Float_t fBigBoxX ;                         // main box containing all PHOS (EMC+PPSD)
+  Float_t fBigBoxY ;                         // main box containing all PHOS (EMC+PPSD)
+  Float_t fBigBoxZ ;                         // main box containing all PHOS (EMC+PPSD)
+  TClonesArray * fFastRecParticles ;         // list of particles modified by the response function 
+  Int_t fNRecParticles ;                     // number of detected particles
+  TRandom fRan ;                             // random number generator
+  Double_t fResPara1 ;                       // parameter for the energy resolution dependence  
+  Double_t fResPara2 ;                       // parameter for the energy resolution dependence  
+  Double_t fResPara3 ;                       // parameter for the energy resolution dependence 
+  Double_t fPosParaA0 ;                      // parameter for the position resolution
+  Double_t fPosParaA1 ;                      // parameter for the position resolution 
+  Double_t fPosParaB0 ;                      // parameter for the position resolution 
+  Double_t fPosParaB1 ;                      // parameter for the position resolution 
+  Double_t fPosParaB2 ;                      // parameter for the position resolution
+
+  ClassDef(AliPHOSvFast,1)  //  Implementation of the PHOS manager class for fast simulations  
 
 };