1 /**************************************************************************
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2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
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4 * Author: The ALICE Off-line Project. *
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5 * Contributors are mentioned in the code where appropriate. *
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7 * Permission to use, copy, modify and distribute this software and its *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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9 * without fee, provided that the above copyright notice appears in all *
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10 * copies and that both the copyright notice and this permission notice *
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11 * appear in the supporting documentation. The authors make no claims *
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12 * about the suitability of this software for any purpose. It is *
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13 * provided "as is" without express or implied warranty. *
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14 **************************************************************************/
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16 /* $Id: AliTRDtrackingSector.cxx 23810 2008-02-08 09:00:27Z hristov $ */
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18 ///////////////////////////////////////////////////////////////////////////////
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20 // Tracking data container for one sector //
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23 // Alex Bercuci <A.Bercuci@gsi.de> //
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24 // Markus Fasel <M.Fasel@gsi.de> //
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26 ///////////////////////////////////////////////////////////////////////////////
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28 #include "AliTRDtrackingSector.h"
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29 #include "AliTRDcalibDB.h"
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30 #include "AliTRDCommonParam.h"
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31 #include "AliTRDgeometry.h"
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32 #include "AliTRDpadPlane.h"
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33 #include "AliTRDtrackingChamber.h"
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35 ClassImp(AliTRDtrackingSector)
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37 //_____________________________________________________________________________
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38 AliTRDtrackingSector::AliTRDtrackingSector()
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43 // Default constructor
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45 for(int ic=0; ic<kNChambersSector; ic++){
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49 for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;
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52 //_____________________________________________________________________________
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53 AliTRDtrackingSector::AliTRDtrackingSector(AliTRDgeometry *geo, Int_t gs)
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59 // AliTRDtrackingSector Constructor
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62 for(int ic=0; ic<kNChambersSector; ic++){
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66 for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;
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69 //_____________________________________________________________________________
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70 AliTRDtrackingSector::AliTRDtrackingSector(const AliTRDtrackingSector &/*t*/)
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81 //_____________________________________________________________________________
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82 AliTRDtrackingSector::~AliTRDtrackingSector()
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90 //_____________________________________________________________________________
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91 void AliTRDtrackingSector::Init(const AliTRDReconstructor *rec, const AliTRDCalDet *cal)
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93 // Steer building of tracking chambers and build tracking sector.
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94 // Propagate radial position information (calibration/alignment aware) from chambers to sector level
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97 AliTRDchamberTimeBin *tb = 0x0;
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98 AliTRDtrackingChamber *tc = 0x0; int ic = 0;
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99 while((ic<kNChambersSector) && (tc = fChamber[ic++])){
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100 for(Int_t itb=0; itb<AliTRDtrackingChamber::kNTimeBins; itb++){
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101 if(!(tb = tc->GetTB(itb))) continue;
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102 tb->SetReconstructor(rec);
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104 tc->Build(fGeom, cal, rec->IsHLT());
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108 for(int il=0; il<AliTRDgeometry::kNlayer; il++){
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109 fX0[il] = 0.; nl = 0;
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110 for(int is=0; is<AliTRDgeometry::kNstack; is++){
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111 Int_t idx = is*AliTRDgeometry::kNlayer + il;
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112 if(fIndex[idx]<0) continue;
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113 tc = GetChamber(fIndex[idx]);
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114 fX0[il] += tc->GetX(); nl++;
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117 //printf("Could not estimate radial position of plane %d in sector %d.\n", ip, fSector);
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120 fX0[il] /= Float_t(nl);
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126 //_____________________________________________________________________________
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127 void AliTRDtrackingSector::Clear(const Option_t *opt)
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129 // Reset counters and steer chamber clear
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131 for(Int_t ich=0; ich<fN; ich++){
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132 fChamber[ich]->Clear(opt);
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133 delete fChamber[ich]; fChamber[ich] = 0x0; // I would avoid
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135 for(Int_t ich=0; ich<kNChambersSector; ich++) fIndex[ich] = -1;
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139 //_____________________________________________________________________________
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140 AliTRDtrackingChamber* AliTRDtrackingSector::GetChamber(Int_t stack, Int_t layer, Bool_t build)
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142 // Return chamber at position (stack, plane) in current
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143 // sector or build a new one if it is not already created
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145 Int_t ch = stack*AliTRDgeometry::kNlayer + layer;
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146 if(fIndex[ch] >= 0) return fChamber[Int_t(fIndex[ch])];
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147 else if(!build) return 0x0;
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149 // CHAMBER HAS TO BE BUILD
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150 Int_t rch = ch;do rch--; while(rch>=0 && fIndex[rch]<0);
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151 fIndex[ch] = rch >=0 ? fIndex[rch]+1 : 0;
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154 memmove(&fChamber[Int_t(fIndex[ch])+1], &fChamber[Int_t(fIndex[ch])], (kNChambersSector-fIndex[ch]-1)*sizeof(void*));
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155 for(Int_t ic = ch+1; ic<kNChambersSector; ic++) fIndex[ic] += fIndex[ic] >= 0 ? 1 : 0;
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157 return fChamber[Int_t(fIndex[ch])] = new AliTRDtrackingChamber(AliTRDgeometry::GetDetector(layer, stack, fSector));
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160 //_____________________________________________________________________________
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161 AliTRDtrackingChamber** AliTRDtrackingSector::GetStack(Int_t stack)
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163 // Return chamber at position (stack, plane) in current
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164 // sector or build a new one if it is not already created
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166 if(stack<0 || stack>=AliTRDgeometry::kNstack) return 0x0;
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169 for(int il=0; il<AliTRDgeometry::kNlayer; il++){
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170 ich = stack*AliTRDgeometry::kNlayer + il;
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171 if(fIndex[ich] < 0) fStack[il] = 0x0;
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173 fStack[il] = fChamber[Int_t(fIndex[ich])];
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178 return n ? &fStack[0] : 0x0;
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181 //_____________________________________________________________________________
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182 void AliTRDtrackingSector::Print(Option_t *)
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184 // Dump info about this tracking sector and the tracking chamber within
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187 printf("\tSector %2d\n", fSector);
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188 for(int il=0; il<6; il++){
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189 for(int is =0; is<5; is++){
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190 Int_t ch = is*AliTRDgeometry::kNlayer + il;
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191 printf("%2d[%2d] ", fIndex[ch], fIndex[ch]>=0 ? fChamber[Int_t(fIndex[ch])]->GetNClusters() : 0);
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