1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 /* History of cvs commits:
20 * Revision 1.9 2007/10/10 09:05:10 schutz
21 * Changing name QualAss to QA
23 * Revision 1.8 2007/08/28 12:55:08 policheh
24 * Loaders removed from the reconstruction code (C.Cheshkov)
26 * Revision 1.7 2007/08/07 14:12:03 kharlov
27 * Quality assurance added (Yves Schutz)
29 * Revision 1.6 2007/08/03 14:41:37 cvetan
30 * Missing header files
32 * Revision 1.5 2007/08/03 13:52:16 kharlov
33 * Working skeleton of matching the ESD tracks and ESD clusters (Iouri Belikov)
37 #include <TClonesArray.h>
41 #include "AliPHOSTracker.h"
42 #include "AliPHOSEmcRecPoint.h"
43 #include "AliESDEvent.h"
44 #include "AliESDtrack.h"
45 #include "AliPHOSTrackSegmentMakerv1.h"
46 #include "AliPHOSPIDv1.h"
48 //-------------------------------------------------------------------------
50 // Matches ESD tracks with the PHOS and makes the PID.
52 //-------------------------------------------------------------------------
54 ClassImp(AliPHOSTracker)
56 Bool_t AliPHOSTracker::fgDebug = kFALSE ;
59 // ***** Some geometrical constants (used in PropagateBack)
61 const Double_t kR=460.+ 9; // Radial coord. of the centre of EMC module (cm)
63 const Double_t kAlpha=20.*TMath::Pi()/180.; // Segmentation angle (rad)
64 const Double_t kYmax=kR*TMath::Tan(0.5*kAlpha); // Maximal possible y-coord.(cm)
65 const Double_t kZmax=65.; // Approximately: the maximal possible z-coord.(cm)
69 //____________________________________________________________________________
70 AliPHOSTracker::AliPHOSTracker():
73 //--------------------------------------------------------------------
74 // The default constructor
75 //--------------------------------------------------------------------
76 for (Int_t i=0; i<5; i++)
77 fModules[i]=new TClonesArray("AliPHOSEmcRecPoint",777);
81 //____________________________________________________________________________
82 AliPHOSTracker::~AliPHOSTracker()
84 //--------------------------------------------------------------------
86 //--------------------------------------------------------------------
87 for (Int_t i=0; i<5; i++) {
88 (fModules[i])->Delete();
93 //____________________________________________________________________________
94 Int_t AliPHOSTracker::LoadClusters(TTree *) {
95 //--------------------------------------------------------------------
96 // This function loads the PHOS clusters
97 //--------------------------------------------------------------------
98 return 0 ; //At this stage we can not strore result
99 // the closest track and distance to it
100 //We perform same task later in AliPHOSTrackSegmentMakerv1
103 //____________________________________________________________________________
104 Int_t AliPHOSTracker::PropagateBack(AliESDEvent *) {
105 //--------------------------------------------------------------------
106 // Called by AliReconstruction
107 // Performs the track matching with the PHOS modules
109 //--------------------------------------------------------------------
111 return 0 ; //At this stage we can not strore result
112 // the closest track and distance to it
113 //We perform same task later in AliPHOSTrackSegmentMakerv1
116 //____________________________________________________________________________
117 AliCluster *AliPHOSTracker::GetCluster(Int_t index) const {
118 //--------------------------------------------------------------------
119 // Returns the pointer to a given cluster
120 //--------------------------------------------------------------------
121 Int_t m=(index & 0xf0000000) >> 28; // Module number
122 Int_t i=(index & 0x0fffffff) >> 00; // Index within the module
124 return (AliCluster*)(fModules[m])->UncheckedAt(i);
127 //____________________________________________________________________________
128 void AliPHOSTracker::UnloadClusters() {
129 //--------------------------------------------------------------------
130 // This function unloads the PHOS clusters
131 //--------------------------------------------------------------------
132 // for (Int_t i=0; i<5; i++) (fModules[i])->Delete();