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. *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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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 **************************************************************************/
16 /* $Id: AliTRDtrackingSector.cxx 23810 2008-02-08 09:00:27Z hristov $ */
18 ///////////////////////////////////////////////////////////////////////////////
20 // Tracking data container for one sector //
23 // Alex Bercuci <A.Bercuci@gsi.de> //
24 // Markus Fasel <M.Fasel@gsi.de> //
26 ///////////////////////////////////////////////////////////////////////////////
28 #include "AliTRDtrackingSector.h"
29 #include "AliTRDcalibDB.h"
30 #include "AliTRDCommonParam.h"
31 #include "AliTRDgeometry.h"
32 #include "AliTRDpadPlane.h"
33 #include "AliTRDtrackingChamber.h"
35 ClassImp(AliTRDtrackingSector)
37 //_____________________________________________________________________________
38 AliTRDtrackingSector::AliTRDtrackingSector()
43 // Default constructor
45 for(int ic=0; ic<kNChambersSector; ic++){
49 for(int ip=0; ip<AliTRDgeometry::kNplan; ip++) fX0[ip] = 0.;
52 //_____________________________________________________________________________
53 AliTRDtrackingSector::AliTRDtrackingSector(AliTRDgeometry *geo, Int_t gs)
59 // AliTRDtrackingSector Constructor
62 for(int ic=0; ic<kNChambersSector; ic++){
66 for(int ip=0; ip<AliTRDgeometry::kNplan; ip++) fX0[ip] = 0.;
69 //_____________________________________________________________________________
70 AliTRDtrackingSector::AliTRDtrackingSector(const AliTRDtrackingSector &/*t*/)
81 //_____________________________________________________________________________
82 AliTRDtrackingSector::~AliTRDtrackingSector()
90 //_____________________________________________________________________________
91 void AliTRDtrackingSector::Init()
93 // Steer building of tracking chambers and build tracking sector.
94 // Propagate radial position information (calibration/alignment aware) from chambers to sector level
97 AliTRDtrackingChamber *tc = 0x0; int ic = 0;
98 while((ic<kNChambersSector) && (tc = fChamber[ic++])) tc->Build(fGeom);
101 for(int ip=0; ip<AliTRDgeometry::kNplan; ip++){
102 fX0[ip] = 0.; np = 0;
103 for(int is=0; is<AliTRDgeometry::kNcham; is++){
104 Int_t idx = is*AliTRDgeometry::kNplan + ip;
105 if(fIndex[idx]<0) continue;
106 tc = GetChamber(fIndex[idx]);
107 fX0[ip] += tc->GetX(); np++;
110 //printf("Could not estimate radial position of plane %d in sector %d.\n", ip, fSector);
113 fX0[ip] /= Float_t(np);
116 //_____________________________________________________________________________
117 void AliTRDtrackingSector::Clear(const Option_t *opt)
119 // Reset counters and steer chamber clear
121 for(Int_t ich=0; ich<fN; ich++){
122 fChamber[ich]->Clear(opt);
123 delete fChamber[ich]; fChamber[ich] = 0x0; // I would avoid
125 for(Int_t ich=0; ich<kNChambersSector; ich++) fIndex[ich] = -1;
129 //_____________________________________________________________________________
130 AliTRDtrackingChamber* AliTRDtrackingSector::GetChamber(Int_t stack, Int_t plane, Bool_t build)
132 // Return chamber at position (stack, plane) in current
133 // sector or build a new one if it is not already created
135 Int_t ch = stack*AliTRDgeometry::kNplan + plane;
136 if(fIndex[ch] >= 0) return fChamber[Int_t(fIndex[ch])];
137 else if(!build) return 0x0;
139 // CHAMBER HAS TO BE BUILD
140 Int_t rch = ch;do rch--; while(rch>=0 && fIndex[rch]<0);
141 fIndex[ch] = rch >=0 ? fIndex[rch]+1 : 0;
144 memmove(&fChamber[Int_t(fIndex[ch])+1], &fChamber[Int_t(fIndex[ch])], (kNChambersSector-fIndex[ch]-1)*sizeof(void*));
145 for(Int_t ic = ch+1; ic<kNChambersSector; ic++) fIndex[ic] += fIndex[ic] >= 0 ? 1 : 0;
147 return fChamber[Int_t(fIndex[ch])] = new AliTRDtrackingChamber(AliTRDgeometry::GetDetector(plane, stack, fSector));
150 //_____________________________________________________________________________
151 AliTRDtrackingChamber** AliTRDtrackingSector::GetStack(Int_t stack)
153 // Return chamber at position (stack, plane) in current
154 // sector or build a new one if it is not already created
156 if(stack<0 || stack>=AliTRDgeometry::kNcham) return 0x0;
159 for(int ip=0; ip<AliTRDgeometry::kNplan; ip++){
160 ich = stack*AliTRDgeometry::kNplan + ip;
161 if(fIndex[ich] < 0) fStack[ip] = 0x0;
163 fStack[ip] = fChamber[Int_t(fIndex[ich])];
168 return n ? &fStack[0] : 0x0;
171 //_____________________________________________________________________________
172 void AliTRDtrackingSector::Print(Option_t *)
174 // Dump info about this tracking sector and the tracking chamber within
177 printf("\tSector %2d\n", fSector);
178 for(int ip=0; ip<6; ip++){
179 for(int is =0; is<5; is++){
180 Int_t ch = is*AliTRDgeometry::kNplan + ip;
181 printf("%2d[%2d] ", fIndex[ch], fIndex[ch]>=0 ? fChamber[Int_t(fIndex[ch])]->GetNClusters() : 0);