Bug fixes
[u/mrichter/AliRoot.git] / TRD / AliTRDtrackingSector.cxx
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eb38ed55 1/**************************************************************************
3a039a31 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**************************************************************************/
eb38ed55 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()
2985ffcb 39 :fSector(-1)
eb38ed55 40 ,fN(0)
41 ,fGeom(0x0)
42{
3a039a31 43 // Default constructor
44
45 for(int ic=0; ic<kNChambersSector; ic++){
46 fChamber[ic] = 0x0;
47 fIndex[ic] = -1;
48 }
49 for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;
eb38ed55 50}
51
52//_____________________________________________________________________________
2985ffcb 53AliTRDtrackingSector::AliTRDtrackingSector(AliTRDgeometry *geo, Int_t gs)
54 :fSector(gs)
eb38ed55 55 ,fN(0)
56 ,fGeom(geo)
57{
58 //
59 // AliTRDtrackingSector Constructor
60 //
61
3a039a31 62 for(int ic=0; ic<kNChambersSector; ic++){
63 fChamber[ic] = 0x0;
64 fIndex[ic] = -1;
65 }
66 for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;
eb38ed55 67}
68
69//_____________________________________________________________________________
70AliTRDtrackingSector::AliTRDtrackingSector(const AliTRDtrackingSector &/*t*/)
2985ffcb 71 :fSector(-1)
eb38ed55 72 ,fN(0)
73 ,fGeom(0x0)
74{
75 //
76 // Copy constructor
77 //
78
79}
80
81//_____________________________________________________________________________
82AliTRDtrackingSector::~AliTRDtrackingSector()
83{
84 //
85 // Destructor
86 //
87
88}
3a039a31 89
eb38ed55 90//_____________________________________________________________________________
3a039a31 91void AliTRDtrackingSector::Init(const AliTRDReconstructor *rec)
eb38ed55 92{
93// Steer building of tracking chambers and build tracking sector.
94// Propagate radial position information (calibration/alignment aware) from chambers to sector level
95//
3a039a31 96
97 AliTRDchamberTimeBin *tb = 0x0;
98 AliTRDtrackingChamber *tc = 0x0; int ic = 0;
99 while((ic<kNChambersSector) && (tc = fChamber[ic++])) tc->Build(fGeom);
100
101 Int_t nl;
102 for(int il=0; il<AliTRDgeometry::kNlayer; il++){
103 fX0[il] = 0.; nl = 0;
104 for(int is=0; is<AliTRDgeometry::kNstack; is++){
105 Int_t idx = is*AliTRDgeometry::kNlayer + il;
106 if(fIndex[idx]<0) continue;
107 tc = GetChamber(fIndex[idx]);
108 fX0[il] += tc->GetX(); nl++;
109 for(Int_t itb=0; itb<AliTRDtrackingChamber::kNTimeBins; itb++){
110 if(!(tb = tc->GetTB(itb))) continue;
111 tb->SetReconstructor(rec);
112 }
113 }
114 if(!nl){
115 //printf("Could not estimate radial position of plane %d in sector %d.\n", ip, fSector);
116 continue;
117 }
118 fX0[il] /= Float_t(nl);
119 }
eb38ed55 120}
3a039a31 121
122
123
eb38ed55 124//_____________________________________________________________________________
125void AliTRDtrackingSector::Clear(const Option_t *opt)
126{
127// Reset counters and steer chamber clear
128
3a039a31 129 for(Int_t ich=0; ich<fN; ich++){
130 fChamber[ich]->Clear(opt);
131 delete fChamber[ich]; fChamber[ich] = 0x0; // I would avoid
132 }
133 for(Int_t ich=0; ich<kNChambersSector; ich++) fIndex[ich] = -1;
134 fN = 0;
eb38ed55 135}
136
137//_____________________________________________________________________________
053767a4 138AliTRDtrackingChamber* AliTRDtrackingSector::GetChamber(Int_t stack, Int_t layer, Bool_t build)
eb38ed55 139{
140// Return chamber at position (stack, plane) in current
141// sector or build a new one if it is not already created
3a039a31 142
143 Int_t ch = stack*AliTRDgeometry::kNlayer + layer;
144 if(fIndex[ch] >= 0) return fChamber[Int_t(fIndex[ch])];
145 else if(!build) return 0x0;
146
147 // CHAMBER HAS TO BE BUILD
148 Int_t rch = ch;do rch--; while(rch>=0 && fIndex[rch]<0);
149 fIndex[ch] = rch >=0 ? fIndex[rch]+1 : 0;
150 fN++;
151
152 memmove(&fChamber[Int_t(fIndex[ch])+1], &fChamber[Int_t(fIndex[ch])], (kNChambersSector-fIndex[ch]-1)*sizeof(void*));
153 for(Int_t ic = ch+1; ic<kNChambersSector; ic++) fIndex[ic] += fIndex[ic] >= 0 ? 1 : 0;
154
155 return fChamber[Int_t(fIndex[ch])] = new AliTRDtrackingChamber(AliTRDgeometry::GetDetector(layer, stack, fSector));
eb38ed55 156}
157
158//_____________________________________________________________________________
159AliTRDtrackingChamber** AliTRDtrackingSector::GetStack(Int_t stack)
160{
161// Return chamber at position (stack, plane) in current
162// sector or build a new one if it is not already created
3a039a31 163
164 if(stack<0 || stack>=AliTRDgeometry::kNstack) return 0x0;
165
166 Int_t ich, n = 0;
167 for(int il=0; il<AliTRDgeometry::kNlayer; il++){
168 ich = stack*AliTRDgeometry::kNlayer + il;
169 if(fIndex[ich] < 0) fStack[il] = 0x0;
170 else{
171 fStack[il] = fChamber[Int_t(fIndex[ich])];
172 n++;
173 }
174 }
175
176 return n ? &fStack[0] : 0x0;
eb38ed55 177}
178
179//_____________________________________________________________________________
180void AliTRDtrackingSector::Print(Option_t *)
181{
182// Dump info about this tracking sector and the tracking chamber within
183//
184
3a039a31 185 printf("\tSector %2d\n", fSector);
186 for(int il=0; il<6; il++){
187 for(int is =0; is<5; is++){
188 Int_t ch = is*AliTRDgeometry::kNlayer + il;
189 printf("%2d[%2d] ", fIndex[ch], fIndex[ch]>=0 ? fChamber[Int_t(fIndex[ch])]->GetNClusters() : 0);
190 }
191 printf("\n");
192 }
eb38ed55 193
194}