1 /**************************************************************************
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2 * This file is property of and copyright by the ALICE HLT Project *
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3 * ALICE Experiment at CERN, All rights reserved. *
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5 * Primary Authors: Svein Lindal <slindal@fys.uio.no > *
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6 * for The ALICE HLT Project. *
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8 * Permission to use, copy, modify and distribute this software and its *
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9 * documentation strictly for non-commercial purposes is hereby granted *
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10 * without fee, provided that the above copyright notice appears in all *
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11 * copies and that both the copyright notice and this permission notice *
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12 * appear in the supporting documentation. The authors make no claims *
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13 * about the suitability of this software for any purpose. It is *
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14 * provided "as is" without express or implied warranty. *
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15 **************************************************************************/
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17 /// @file AliHLTEvePhos.cxx
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18 /// @author Svein Lindal <slindal@fys.uio.no>
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19 /// @brief Muon processor for the HLT EVE display
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21 #include "AliHLTEveMuon.h"
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22 #include "AliHLTMUONDataBlockReader.h"
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23 #include "AliHLTHOMERBlockDesc.h"
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24 #include "TCanvas.h"
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25 #include "TEveStraightLineSet.h"
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26 #include "TEvePointSet.h"
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27 #include "AliEveHOMERManager.h"
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28 #include "TEveManager.h"
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31 #include "TEveVSDStructs.h"
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32 #include "TGeoGlobalMagField.h"
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33 #include "AliESDMuonTrack.h"
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34 #include "AliESDMuonCluster.h"
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35 #include "AliEveMUONTrack.h"
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36 #include "AliHLTMUONConstants.h"
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37 #include "AliHLTMUONUtils.h"
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38 #include "AliMUONVCluster.h"
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39 #include "AliMUONConstants.h"
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40 #include "TEveTrackPropagator.h"
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42 using namespace std;
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44 class AliHLTMUONUtils;
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45 class AliEveMuonTrack;
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47 ClassImp(AliHLTEveMuon);
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49 AliHLTEveMuon::AliHLTEveMuon() :
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51 fFullTrackList(NULL),
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58 AliHLTEveMuon::~AliHLTEveMuon()
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62 delete fFullTrackList;
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63 fFullTrackList = NULL;
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75 void AliHLTEveMuon::ProcessBlock(AliHLTHOMERBlockDesc * block) {
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76 //See header file for documentation
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77 if ( (block->GetDataType().CompareTo("RECHITS") == 0) || (block->GetDataType().CompareTo("TRIGRECS") == 0) ) {
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79 fClusters = CreateClusters();
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80 fEventManager->GetEveManager()->AddElement(fClusters);
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82 ProcessClusters( block, fClusters );
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84 }else if(block->GetDataType().CompareTo("MANTRACK") == 0){
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87 fTracks = CreateTrackSet();
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88 fEventManager->GetEveManager()->AddElement(fTracks);
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89 gEve->AddElement(fTracks);
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92 ProcessTracks( block, fTracks );
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94 }else if(block->GetDataType().CompareTo("TRACKS") == 0){
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96 if ( !fFullTrackList ) {
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97 fFullTrackList = CreateFullTrackList();
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98 fEventManager->GetEveManager()->AddElement(fFullTrackList);
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99 gEve->AddElement(fFullTrackList);
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102 ProcessFullTracks( block, fFullTrackList );
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104 } else if(block->GetDataType().CompareTo("ROOTHIST") == 0) {
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105 ProcessHistogram(block);
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110 TEvePointSet * AliHLTEveMuon::CreateClusters() {
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111 //See header file for documentation
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112 TEvePointSet * ps = new TEvePointSet("MUON RecHits");
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113 ps->SetMainColor(kBlue);
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114 ps->SetMarkerStyle(20);
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118 TEveStraightLineSet * AliHLTEveMuon::CreateTrackSet() {
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120 TEveStraightLineSet * ls = new TEveStraightLineSet("MUON Tracks");
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121 ls->SetMainColor(kRed);
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122 ls->SetLineWidth(3);
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126 TEveTrackList * AliHLTEveMuon::CreateFullTrackList(){
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128 TEveTrackList * ls = new TEveTrackList("MUON Full Tracks");
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129 ls->SetMainColor(kBlue);
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133 void AliHLTEveMuon::ProcessHistogram(AliHLTHOMERBlockDesc * block ) {
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134 //See header file for documentation
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136 fCanvas = CreateCanvas("MUON QA", "MUON QA");
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137 fCanvas->Divide(3, 2);
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139 AddHistogramsToCanvas(block, fCanvas, fHistoCount);
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142 void AliHLTEveMuon::UpdateElements() {
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143 //See header file for documentation
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144 if(fCanvas) fCanvas->Update();
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145 if(fClusters) fClusters->ResetBBox();
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146 if(fTracks) fTracks->ElementChanged();
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149 void AliHLTEveMuon::ResetElements(){
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150 //See header file for documentation
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153 if ( fClusters ) fClusters->Reset();
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155 fTracks->Destroy();
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158 if ( fFullTrackList ){
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159 fFullTrackList->Destroy();
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160 fFullTrackList = NULL;
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166 void AliHLTEveMuon::ProcessClusters(AliHLTHOMERBlockDesc * block, TEvePointSet * clusters) {
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167 //See header file for documentation
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168 unsigned long size = block->GetSize();
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171 buffer = (Int_t *)block->GetData();
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172 //cout<<"block size : "<<size<<", buffer : "<<buffer<<", DataType : "<<block->GetDataType()<<endl;
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174 if(block->GetDataType().CompareTo("RECHITS") == 0){
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176 AliHLTMUONRecHitsBlockReader trackblock((char*)buffer, size);
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177 const AliHLTMUONRecHitStruct* hit = trackblock.GetArray();
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179 for(AliHLTUInt32_t ientry = 0; ientry < trackblock.Nentries(); ientry++){
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180 if(hit->fX!=0.0 && hit->fY!=0.0 && hit->fZ!=0.0)
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181 clusters->SetNextPoint(hit->fX,hit->fY,hit->fZ);
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188 // if(!strcmp((BlockType(ULong64_t(reader->GetBlockDataType(i)))).Data(),"TRIGRECS")){
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190 AliHLTMUONTriggerRecordsBlockReader trigblock(buffer, size);
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191 const AliHLTMUONTriggerRecordStruct* trigrec = trigblock.GetArray();
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192 for(AliHLTUInt32_t ientry = 0; ientry < trigblock.Nentries(); ientry++){
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194 const AliHLTMUONRecHitStruct* hit = &trigrec->fHit[0];
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195 for(AliHLTUInt32_t ch = 0; ch < 4; ch++)
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197 if(hit->fX!=0.0 && hit->fY!=0.0 && hit->fZ!=0.0)
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198 clusters->SetNextPoint(hit->fX,hit->fY,hit->fZ);
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200 }// trig chamber loop
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207 void AliHLTEveMuon::ProcessTracks(AliHLTHOMERBlockDesc * block, TEveStraightLineSet * tracks) {
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208 //See header file for documentation
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209 unsigned long size = block->GetSize();
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210 Int_t * buffer = (Int_t *)block->GetData();
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211 AliHLTMUONRecHitStruct hit1,hit2;
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212 hit1.fX = hit1.fY = hit1.fZ = hit2.fX = hit2.fY = hit2.fZ = 0;
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213 Int_t ch1=0, ch2=0;
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214 Float_t x0=0.0,y0=0.0,z0=0.0;
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215 Float_t x3=0.0,y3=0.0,z3=0.0;
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216 if(block->GetDataType().CompareTo("MANTRACK") == 0){
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217 AliHLTMUONMansoTracksBlockReader mantrackblock(buffer, size);
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218 const AliHLTMUONMansoTrackStruct* mtrack = mantrackblock.GetArray();
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219 for(AliHLTUInt32_t ientry = 0; ientry < mantrackblock.Nentries(); ientry++){
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220 const AliHLTMUONRecHitStruct* hit = &mtrack->fHit[0];
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221 for(AliHLTUInt32_t ch = 0; ch < 4; ch++){
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222 // cout << setw(10) << left << ch + 7 << setw(0);
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223 // cout << setw(13) << left << hit->fX << setw(0);
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224 // cout << setw(13) << left << hit->fY << setw(0);
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225 // cout << hit->fZ << setw(0) << endl;
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226 if(hit->fZ != 0.0){
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227 if(ch==0 || ch==1){
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228 hit1 = *hit; ch1 = ch+6;
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230 hit2 = *hit; ch2 = ch+6;
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234 }// trig chamber loop
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235 // printf("ch : %d, (X,Y,Z) : (%f,%f,%f)\n",ch1,hit1.fX,hit1.fY,hit1.fZ);
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236 // printf("ch : %d, (X,Y,Z) : (%f,%f,%f)\n",ch2,hit2.fX,hit2.fY,hit2.fZ);
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238 z3 = AliMUONConstants::DefaultChamberZ(ch2+4);
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239 y3 = hit1.fY - (hit1.fZ-z3)*(hit1.fY - hit2.fY)/(hit1.fZ - hit2.fZ) ;
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240 x3 = hit1.fX - (hit1.fZ-z3)*(hit1.fX - hit2.fX)/(hit1.fZ - hit2.fZ) ;
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242 z0 = AliMUONConstants::DefaultChamberZ(ch1);
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243 y0 = hit1.fY - (hit1.fZ-z0)*(hit1.fY - hit2.fY)/(hit1.fZ - hit2.fZ) ;
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244 x0 = hit1.fX - (hit1.fZ-z0)*(hit1.fX - hit2.fX)/(hit1.fZ - hit2.fZ) ;
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247 tracks->AddLine(x0,y0,z0,x3,y3,z3);
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250 // cout<<"NofManso Tracks : "<<mantrackblock.Nentries()<<endl;
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254 int AliHLTEveMuon::MakeMUONESDTrack(AliESDMuonTrack *muonESDTrack, const AliHLTMUONTrackStruct *muonHLTTrack)
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256 // See header for documentation
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257 AliHLTUInt32_t clusterIndex = 0; // for the cluster unique ID.
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258 AliHLTMUONParticleSign sign;
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260 AliHLTMUONUtils::UnpackTrackFlags(
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261 muonHLTTrack->fFlags, sign, hitset
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264 TVector3 mom(muonHLTTrack->fPx, muonHLTTrack->fPy, muonHLTTrack->fPz);
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265 if (mom.Mag() != 0)
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266 muonESDTrack->SetInverseBendingMomentum(muonHLTTrack->fInverseBendingMomentum);
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268 muonESDTrack->SetInverseBendingMomentum(0.);
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269 muonESDTrack->SetThetaX(muonHLTTrack->fThetaX);
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270 muonESDTrack->SetThetaY(muonHLTTrack->fThetaY);
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271 muonESDTrack->SetZ(muonHLTTrack->fZ);
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272 muonESDTrack->SetBendingCoor(muonHLTTrack->fY);
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273 muonESDTrack->SetNonBendingCoor(muonHLTTrack->fX);
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275 //printf("(X,Y,Z) : (%8.3f,%8.3f,%8.3f)\n",muonHLTTrack->fX,muonHLTTrack->fY,muonHLTTrack->fZ);
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277 muonESDTrack->SetChi2(muonHLTTrack->fChi2);
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280 for (int i = 0; i < 16; i++)
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282 if (not hitset[i]) continue;
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284 AliHLTUInt8_t chamber;
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285 AliHLTUInt16_t detElemId;
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286 AliHLTMUONUtils::UnpackRecHitFlags((muonHLTTrack->fHit[i]).fFlags, chamber, detElemId);
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288 AliESDMuonCluster cluster;
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289 cluster.SetUniqueID(AliMUONVCluster::BuildUniqueID(chamber, detElemId, clusterIndex++));
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290 cluster.SetXYZ((muonHLTTrack->fHit[i]).fX, (muonHLTTrack->fHit[i]).fY, (muonHLTTrack->fHit[i]).fZ);
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291 cluster.SetErrXY( // Use nominal values.
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292 AliHLTMUONConstants::DefaultNonBendingReso(),
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293 AliHLTMUONConstants::DefaultBendingReso()
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295 cluster.SetCharge(-1.); // Indicate no total charge calculated.
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296 cluster.SetChi2(-1.); // Indicate no fit made.
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297 muonESDTrack->AddCluster(cluster);
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299 muonESDTrack->AddInMuonClusterMap(chamber);
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302 muonESDTrack->SetNHit(nHits);
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307 Int_t AliHLTEveMuon::ProcessFullTracks(AliHLTHOMERBlockDesc * block, TEveTrackList * fullTracks) {
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309 // See header for documentation
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313 Double_t b[3], x[3];
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314 x[0] = 0.0 ; x[1] = 0.0 ; x[2] = -950.0;
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315 TGeoGlobalMagField::Instance()->Field(x,b);
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316 //" Field at (0.0, 0.0, -950.0) [at the middle of dipole magnet]
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317 //should be (6.79, 0.03, -0.17) or similar value with change of sign"
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318 if(TMath::AreEqualAbs(b[0],0.0,1.0e-5) and TMath::AreEqualAbs(b[1],0.0,1.0e-5) and TMath::AreEqualAbs(b[2],0.0,1.0e-5)){
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319 printf("At (X,Y,Z) : (%6.2lf,%6.2lf,%6.2lf) Field (Bx,By,Bz) is (%6.2lf,%6.2lf,%6.2lf)\n",
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320 x[0],x[1],x[2],b[0],b[1],b[2]);
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321 cerr<<"Magnetic field is not properly set, MUON tracking will not possble"<<endl;
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329 unsigned long size = block->GetSize();
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330 Int_t * buffer = (Int_t *)block->GetData();
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332 AliHLTMUONTracksBlockReader muontrackblock(buffer, size);
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333 const AliHLTMUONTrackStruct* mtrack = muontrackblock.GetArray();
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334 //cout<<"NofTracks : "<<muontrackblock.Nentries()<<endl;
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335 for(AliHLTUInt32_t ientry = 0; ientry < muontrackblock.Nentries(); ientry++){
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337 AliESDMuonTrack *muonESDTrack = new AliESDMuonTrack();
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338 MakeMUONESDTrack(muonESDTrack,mtrack);
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339 if(muonESDTrack->GetNHit()==0){
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340 muonESDTrack->Delete();
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344 rt.fLabel = ientry;
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345 AliEveMUONTrack* track = new AliEveMUONTrack(&rt, fullTracks->GetPropagator());
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346 track->MakeESDTrack(muonESDTrack);
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347 //track->SetTitle(Form("HLT Track : %d, pt : %lf",ientry,TMath::Sqrt(((mtrack->fPx * mtrack->fPx) + (mtrack->fPy * mtrack->fPy)))));
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348 track->SetName(Form("HLT Track : %d, pt : %lf",ientry,TMath::Sqrt(((mtrack->fPx * mtrack->fPx) + (mtrack->fPy * mtrack->fPy)))));
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349 gEve->AddElement(track, fullTracks);
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