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Update of tracking code (alignment/calibration awareness)
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eb38ed55 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
15
16/* $Id: AliTRDtrackingSector.cxx 23810 2008-02-08 09:00:27Z hristov $ */
17
18///////////////////////////////////////////////////////////////////////////////
19// //
20// Tracking data container for one sector //
21// //
22// Authors: //
23// Alex Bercuci <A.Bercuci@gsi.de> //
24// Markus Fasel <M.Fasel@gsi.de> //
25// //
26///////////////////////////////////////////////////////////////////////////////
27
28#include "AliTRDtrackingSector.h"
29#include "AliTRDcalibDB.h"
30#include "AliTRDCommonParam.h"
31#include "AliTRDgeometry.h"
32#include "AliTRDpadPlane.h"
33#include "AliTRDtrackingChamber.h"
34
35ClassImp(AliTRDtrackingSector)
36
37//_____________________________________________________________________________
38AliTRDtrackingSector::AliTRDtrackingSector()
39 :fTimeBinsPerPlane(0)
40 ,fSector(-1)
41 ,fN(0)
42 ,fGeom(0x0)
43{
44 // Default constructor
45
46 for(int ic=0; ic<kNChambersSector; ic++){
47 fChamber[ic] = 0x0;
48 fIndex[ic] = -1;
49 }
50 for(int ip=0; ip<AliTRDgeometry::kNplan; ip++) fX0[ip] = 0.;
51}
52
53//_____________________________________________________________________________
54AliTRDtrackingSector::AliTRDtrackingSector(AliTRDgeometry *geo, Int_t gs, Int_t tb)
55 :fTimeBinsPerPlane(tb)
56 ,fSector(gs)
57 ,fN(0)
58 ,fGeom(geo)
59{
60 //
61 // AliTRDtrackingSector Constructor
62 //
63
64 for(int ic=0; ic<kNChambersSector; ic++){
65 fChamber[ic] = 0x0;
66 fIndex[ic] = -1;
67 }
68 for(int ip=0; ip<AliTRDgeometry::kNplan; ip++) fX0[ip] = 0.;
69}
70
71//_____________________________________________________________________________
72AliTRDtrackingSector::AliTRDtrackingSector(const AliTRDtrackingSector &/*t*/)
73 :fTimeBinsPerPlane(0)
74 ,fSector(-1)
75 ,fN(0)
76 ,fGeom(0x0)
77{
78 //
79 // Copy constructor
80 //
81
82}
83
84//_____________________________________________________________________________
85AliTRDtrackingSector::~AliTRDtrackingSector()
86{
87 //
88 // Destructor
89 //
90
91}
92
93//_____________________________________________________________________________
94void AliTRDtrackingSector::Init()
95{
96// Steer building of tracking chambers and build tracking sector.
97// Propagate radial position information (calibration/alignment aware) from chambers to sector level
98//
99
100 AliTRDtrackingChamber *tc = 0x0; int ic = 0;
101 while((tc = fChamber[ic++])) tc->Build(fGeom);
102
103 Int_t np;
104 for(int ip=0; ip<AliTRDgeometry::kNplan; ip++){
105 fX0[ip] = 0.; np = 0;
106 for(int is=0; is<AliTRDgeometry::kNcham; is++){
107 Int_t idx = is*AliTRDgeometry::kNplan + ip;
108 if(fIndex[idx]<0) continue;
109 tc = GetChamber(fIndex[idx]);
110 fX0[ip] += tc->GetX(); np++;
111 }
112 if(!np){
113 //printf("Could not estimate radial position of plane %d in sector %d.\n", ip, fSector);
114 continue;
115 }
116 fX0[ip] /= Float_t(np);
117 }
118}
119//_____________________________________________________________________________
120void AliTRDtrackingSector::Clear(const Option_t *opt)
121{
122// Reset counters and steer chamber clear
123
124 for(Int_t ich=0; ich<fN; ich++){
125 fChamber[ich]->Clear(opt);
126 delete fChamber[ich]; fChamber[ich] = 0x0; // I would avoid
127 }
128 for(Int_t ich=0; ich<kNChambersSector; ich++) fIndex[ich] = -1;
129 fN = 0;
130}
131
132//_____________________________________________________________________________
133AliTRDtrackingChamber* AliTRDtrackingSector::GetChamber(Int_t stack, Int_t plane, Bool_t build)
134{
135// Return chamber at position (stack, plane) in current
136// sector or build a new one if it is not already created
137
138 Int_t ch = stack*AliTRDgeometry::kNplan + plane;
139 if(fIndex[ch] >= 0) return fChamber[Int_t(fIndex[ch])];
140 else if(!build) return 0x0;
141
142 // CHAMBER HAS TO BE BUILD
143 Int_t rch = ch;do rch--; while(rch>=0 && fIndex[rch]<0);
144 fIndex[ch] = rch >=0 ? fIndex[rch]+1 : 0;
145 fN++;
146
147 memmove(&fChamber[Int_t(fIndex[ch])+1], &fChamber[Int_t(fIndex[ch])], (kNChambersSector-fIndex[ch]-1)*sizeof(void*));
148 for(Int_t ic = ch+1; ic<kNChambersSector; ic++) fIndex[ic] += fIndex[ic] >= 0 ? 1 : 0;
149
150 return fChamber[Int_t(fIndex[ch])] = new AliTRDtrackingChamber(AliTRDgeometry::GetDetector(plane, stack, fSector));
151}
152
153//_____________________________________________________________________________
154AliTRDtrackingChamber** AliTRDtrackingSector::GetStack(Int_t stack)
155{
156// Return chamber at position (stack, plane) in current
157// sector or build a new one if it is not already created
158
159 if(stack<0 || stack>=AliTRDgeometry::kNcham) return 0x0;
160
161 Int_t ich, n = 0;
162 for(int ip=0; ip<AliTRDgeometry::kNplan; ip++){
163 ich = stack*AliTRDgeometry::kNplan + ip;
164 if(fIndex[ich] < 0) fStack[ip] = 0x0;
165 else{
166 fStack[ip] = fChamber[Int_t(fIndex[ich])];
167 n++;
168 }
169 }
170
171 return n ? &fStack[0] : 0x0;
172}
173
174//_____________________________________________________________________________
175void AliTRDtrackingSector::Print(Option_t *)
176{
177// Dump info about this tracking sector and the tracking chamber within
178//
179
180 printf("\tSector %2d\n", fSector);
181 for(int ip=0; ip<6; ip++){
182 for(int is =0; is<5; is++){
183 Int_t ch = is*AliTRDgeometry::kNplan + ip;
184 printf("%2d[%2d] ", fIndex[ch], fIndex[ch]>=0 ? fChamber[Int_t(fIndex[ch])]->GetNClusters() : 0);
185 }
186 printf("\n");
187 }
188
189}