HLT/src/AliLevel3.cxx

   1 //$Id$
   2
   3 // Author: Anders Vestbo <mailto:vestbo$fi.uib.no>, Uli Frankenfeld <mailto:franken@fi.uib.no>
   4 //*-- Copyright &copy ASV
   5
   6 #include "AliL3StandardIncludes.h"
   7
   8 #ifndef no_root
   9 #include <TFile.h>
  10 #include <TDirectory.h>
  11 #include <TClonesArray.h>
  12 #include <TStopwatch.h>
  13 #endif
  14
  15 #include "AliL3Logging.h"
  16 #include "AliLevel3.h"
  17 #include "AliL3ConfMapper.h"
  18 #include "AliL3Vertex.h"
  19 #include "AliL3VertexFinder.h"
  20 #include "AliL3TrackMerger.h"
  21 #include "AliL3GlobalMerger.h"
  22 #include "AliL3InterMerger.h"
  23 #include "AliL3ConfMapPoint.h"
  24 #include "AliL3ConfMapTrack.h"
  25 #include "AliL3Transform.h"
  26 #include "AliL3ClustFinderNew.h"
  27 #include "AliL3DigitData.h"
  28 #include "AliL3TrackArray.h"
  29 #include "AliL3MemHandler.h"
  30 #ifdef use_aliroot
  31 #include "AliL3FileHandler.h"
  32 #endif
  33 #include "AliL3Benchmark.h"
  34 #include "AliL3DigitData.h"
  35 #include "AliL3TrackSegmentData.h"
  36 #include "AliL3SpacePointData.h"
  37 #include "AliL3VertexData.h"
  38
  39 //_____________________________________________________________
  40 //
  41 //  AliLevel3
  42 //
  43 //  Interface class for Level3 tracker.
  44 //  Tracking is done by calling constructor with input,output
  45 //  given as argument.
  46 //  You must always remember to set the tracking parameters. E.g.:
  47 //
  48 //  AliLevel3 *level3 = new AliLevel3(inputfile,outputfile);
  49 //  level3->SetTrackerParam(); //Sets default tracking parameters
  50 //  level3->ProcessSector(2,2);  //Does tracking on sector 2 (actually 2+38)
  51 //Begin_Html
  52 /*
  53 <img src="tpcsectorsnb.gif">
  54 */
  55 //End_Html
  56
  57 ClassImp(AliLevel3)
  58
  59 AliLevel3::AliLevel3()
  60 {
  61   fInputFile=0;
  62 }
  63
  64 #ifdef no_root
  65 AliLevel3::AliLevel3(Char_t *infile)
  66 {
  67   //Constructor. Calls constructor of the tracker, vertexfinder and merger classes.
  68
  69   fInputFile = fopen(infile,"r");
  70
  71   if(!fInputFile)
  72     {
  73       LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
  74         <<"Inputfile "<<infile<<" does not exist!"<<ENDLOG;
  75       return;
  76     }
  77 }
  78 #else
  79 AliLevel3::AliLevel3(Char_t *infile)
  80 {
  81   //Constructor. Calls constructor of the tracker, vertexfinder and merger classes.
  82
  83   fInputFile = new TFile(infile,"READ");
  84
  85   if(!fInputFile->IsOpen())
  86     {
  87       LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
  88         <<"Inputfile "<<infile<<" does not exist!"<<ENDLOG;
  89       return;
  90     }
  91 }
  92 #endif
  93
  94 #ifndef no_root
  95 AliLevel3::AliLevel3(TFile *in)
  96 {
  97   fInputFile  =  in;
  98   if(!in){
  99     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
 100     <<"Pointer to InFile 0x0!"<<ENDLOG;
 101     return;
 102   }
 103
 104   if(!fInputFile->IsOpen())
 105     {
 106     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
 107     <<"Inputfile does not exist"<<ENDLOG;
 108       return;
 109     }
 110 }
 111 #endif
 112
 113 void AliLevel3::Init(Char_t *path,Bool_t binary,Int_t npatches)
 114 {
 115 #ifdef ASVVERSION
 116   if(npatches != 1 && binary == kFALSE)
 117     {
 118       LOG(AliL3Log::kWarning,"AliLevel3::Init","NPatches")
 119         <<"You can only read data slice by slice (1 patch) when reading from a rootfile and using the patched (ASV) AliTPC version."<<ENDLOG;
 120       npatches = 1;
 121     }
 122 #endif
 123
 124   if(!binary && !fInputFile)
 125     {
 126       LOG(AliL3Log::kError,"AliLevel3::Init","Files")
 127         <<"You have not supplied the input rootfile; use the appropriate ctor!"<<ENDLOG;
 128       return;
 129     }
 130
 131   AliL3Transform::Init(path,!binary);//Initialize the detector parameters.
 132   fWriteOut = kFALSE;
 133   fUseBinary = binary;
 134   SetPath(path);
 135   fGlobalMerger = 0;
 136
 137   fDoRoi = kFALSE;
 138   fDoNonVertex = kFALSE;
 139   fFindVertex = kFALSE;
 140   SetClusterFinderParam();
 141
 142   fEta[0] = 0.;
 143   fEta[1] = 0.9;
 144
 145   fEvent=0;
 146
 147   switch(npatches){
 148   case 1:
 149     fNPatch = 1;        //number of patches change row in process
 150     fRow[0][0] = 0;
 151     fRow[0][1] = AliL3Transform::GetNRows();
 152     break;
 153   case 2:
 154     fNPatch = 2;        //number of patches change row in process
 155     fRow[0][0] = 0;     // first row
 156     fRow[0][1] = AliL3Transform::GetLastRow(1);
 157     fRow[1][0] = AliL3Transform::GetFirstRow(2);
 158     fRow[1][1] = AliL3Transform::GetLastRow(5);
 159     break;
 160   default:
 161     fNPatch = 6;
 162     fRow[0][0] = AliL3Transform::GetFirstRow(0);
 163     fRow[0][1] = AliL3Transform::GetLastRow(0);
 164     fRow[1][0] = AliL3Transform::GetFirstRow(1);
 165     fRow[1][1] = AliL3Transform::GetLastRow(1);
 166     fRow[2][0] = AliL3Transform::GetFirstRow(2);
 167     fRow[2][1] = AliL3Transform::GetLastRow(2);
 168     fRow[3][0] = AliL3Transform::GetFirstRow(3);
 169     fRow[3][1] = AliL3Transform::GetLastRow(3);
 170     fRow[4][0] = AliL3Transform::GetFirstRow(4);
 171     fRow[4][1] = AliL3Transform::GetLastRow(4);
 172     fRow[5][0] = AliL3Transform::GetFirstRow(5);
 173     fRow[5][1] = AliL3Transform::GetLastRow(5);
 174   }
 175
 176   fVertexFinder = new AliL3VertexFinder();
 177   fVertex = new AliL3Vertex();
 178   fTracker = new AliL3ConfMapper();
 179   fTrackMerger = new AliL3TrackMerger(fNPatch);
 180   fInterMerger = new AliL3InterMerger();
 181 #ifdef use_aliroot
 182   fFileHandler = new AliL3FileHandler();
 183   fFileHandler->SetAliInput(fInputFile);
 184 #else
 185   fFileHandler = new AliL3MemHandler();
 186 #endif
 187   fBenchmark = new AliL3Benchmark();
 188 }
 189
 190 void AliLevel3::DoBench(char* name){
 191   fBenchmark->Analyze(name);
 192 }
 193
 194 void AliLevel3::DoMc(char* file){
 195 #ifdef use_aliroot
 196   if(!fFileHandler->IsDigit(fEvent))
 197     fFileHandler->SetMCOutput(file);
 198 #endif
 199 }
 200
 201 AliLevel3::~AliLevel3(){
 202   //Destructor
 203   if(fVertexFinder) delete fVertexFinder;
 204   if(fVertex) delete fVertex;
 205   if(fTracker) delete fTracker;
 206   if(fTrackMerger) delete fTrackMerger;
 207   if(fInterMerger) delete fInterMerger;
 208   if(fFileHandler) delete fFileHandler;
 209 }
 210
 211 void AliLevel3::SetClusterFinderParam(Float_t fXYError, Float_t fZError, Bool_t deconv)
 212 {
 213   fXYClusterError=fXYError;
 214   fZClusterError=fZError;
 215   fClusterDeconv=deconv;
 216 }
 217
 218 void AliLevel3::SetTrackerParam(Int_t phi_segments, Int_t eta_segments,
 219                                 Int_t trackletlength, Int_t tracklength,
 220                                 Int_t rowscopetracklet, Int_t rowscopetrack,
 221                                 Double_t min_pt_fit, Double_t maxangle,
 222                                 Double_t goodDist, Double_t hitChi2Cut,
 223                                 Double_t goodHitChi2, Double_t trackChi2Cut,
 224                                 Int_t maxdist,Double_t maxphi,Double_t maxeta,Bool_t vertexconstraint)
 225 {
 226   //Set parameters input to the tracker
 227   //If no arguments are given, default parameters will be used
 228
 229   fTracker->SetNSegments(phi_segments,eta_segments);
 230   fTracker->SetMaxDca(min_pt_fit);
 231   fTracker->SetTrackCuts(hitChi2Cut,goodHitChi2,trackChi2Cut,maxdist,vertexconstraint);
 232   fTracker->SetTrackletCuts(maxangle,goodDist,vertexconstraint);
 233   if(vertexconstraint)
 234     fTracker->MainVertexSettings(trackletlength,tracklength,rowscopetracklet,rowscopetrack,maxphi,maxeta);
 235   else
 236     fTracker->NonVertexSettings(trackletlength,tracklength,rowscopetracklet,rowscopetrack);
 237
 238   fTracker->SetParamDone(true);
 239   fTracker->InitVolumes();
 240 }
 241
 242 void AliLevel3::ProcessEvent(Int_t first,Int_t last,Int_t event){
 243   //Do tracking on all slices in region [first,last]
 244   //Slices numbering in TPC goes from 0-35, which means that one slice
 245   //corresponds to inner+outer sector.E.g. slice 2 corresponds to
 246   //inner=2 + outer=38.
 247   fGlobalMerger= new AliL3GlobalMerger(first,last);
 248   fEvent=event;
 249   for(Int_t i=first; i<=last; i++){
 250     ProcessSlice(i);
 251     fGlobalMerger->SetVertex(fVertex);
 252     fGlobalMerger->InitSlice(i);
 253     fGlobalMerger->FillTracks(fNTrackData,fTrackData);
 254     fFileHandler->Free();   //free the memory
 255     fNTrackData=0;
 256     fTrackData=0;
 257   }
 258   fBenchmark->Start("Global Merger");
 259   //fGlobalMerger->AddAllTracks();
 260   //fGlobalMerger->Merge();
 261   fGlobalMerger->SlowMerge();
 262   fBenchmark->Stop("Global Merger");
 263
 264   if(fWriteOut) WriteResults();
 265   delete fGlobalMerger; fGlobalMerger = 0;
 266 }
 267
 268 void AliLevel3::ProcessSlice(Int_t slice){
 269   char name[256];
 270   Bool_t UseCF = kFALSE;
 271 #ifdef use_aliroot
 272   UseCF = fFileHandler->IsDigit(fEvent);
 273 #else
 274   if(fUseBinary)
 275     UseCF = kTRUE; //In case you are not using aliroot
 276 #endif
 277   const Int_t maxpoints=100000;
 278   const Int_t pointsize = maxpoints * sizeof(AliL3SpacePointData);
 279   AliL3MemHandler *memory = new AliL3MemHandler();
 280
 281   fTrackMerger->Reset();
 282   fTrackMerger->SetRows(fRow[0]);
 283   for(Int_t patch=fNPatch-1;patch>=0;patch--){
 284     fFileHandler->Init(slice,patch,&fRow[patch][0]);
 285     UInt_t npoints=0;
 286     AliL3SpacePointData *points =0;
 287     UInt_t ndigits=0;
 288     AliL3DigitRowData *digits =0;
 289     if(UseCF){
 290       if(fUseBinary){
 291         if(!fDoRoi){
 292           if(1){     //Binary to Memory
 293             fFileHandler->Free();
 294             sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 295             if(!fFileHandler->SetBinaryInput(name)) return;
 296             digits= (AliL3DigitRowData *)fFileHandler->CompBinary2Memory(ndigits);
 297             fFileHandler->CloseBinaryInput();
 298           }
 299
 300           if(0){     //Binary to Memory with Benchmark
 301             fFileHandler->Free();
 302             sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 303             if(!memory->SetBinaryInput(name)) return;
 304             UInt_t compsize=memory->GetFileSize();
 305             UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 306             memory->CompBinary2CompMemory(ndigits,comp);
 307             memory->CloseBinaryInput();
 308             UInt_t datasize=memory->GetMemorySize(ndigits,comp);
 309             digits=(AliL3DigitRowData *)fFileHandler->Allocate(datasize);
 310             fBenchmark->Start("Unpacker");
 311             fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 312             fBenchmark->Stop("Unpacker");
 313             memory->Free();
 314           }
 315
 316           if(0){     //Binary to Memory with Random
 317             fFileHandler->Free();
 318             fFileHandler->ResetRandom();
 319             fFileHandler->SetRandomCluster(100);
 320             fFileHandler->SetNGenerate(100);
 321             sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 322             if(!memory->SetBinaryInput(name)) return;
 323             UInt_t compsize=memory->GetFileSize();
 324             UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 325             memory->CompBinary2CompMemory(ndigits,comp);
 326             memory->CloseBinaryInput();
 327             UInt_t dsize=memory->GetMemorySize(ndigits,comp);
 328             UInt_t rsize=fFileHandler->GetRandomSize();
 329             digits=(AliL3DigitRowData*)fFileHandler->Allocate(dsize+rsize);
 330             fBenchmark->Start("Unpacker");
 331             fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 332             fBenchmark->Stop("Unpacker");
 333             memory->Free();
 334           }
 335         }
 336
 337         else{     //Binary to Memory with Roi
 338           fFileHandler->Free();
 339           Int_t sli[2]={0,0};
 340           fFileHandler->SetROI(fEta,sli);
 341           sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 342           if(!memory->SetBinaryInput(name)) return;
 343           UInt_t compsize=memory->GetFileSize();
 344           UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 345           memory->CompBinary2CompMemory(ndigits,comp);
 346           memory->CloseBinaryInput();
 347           UInt_t datasize=memory->GetMemorySize(ndigits,comp);
 348           digits=(AliL3DigitRowData *)fFileHandler->Allocate(datasize);
 349           fBenchmark->Start("Unpacker");
 350           datasize = fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 351           fBenchmark->Stop("Unpacker");
 352           memory->Free();
 353         }
 354       }//end UseBinary
 355       else{
 356 #ifdef use_aliroot
 357         fBenchmark->Start("Dummy Unpacker");
 358         sprintf(name,"digits_%d_%d.raw",slice,patch);
 359         fBenchmark->Stop("Dummy Unpacker");
 360
 361         if(0){    //Ali to Binary
 362           fFileHandler->SetBinaryOutput(name);
 363           fFileHandler->AliDigits2CompBinary();
 364           fFileHandler->CloseBinaryOutput();
 365         }
 366
 367         if(1){     //Ali to Memory
 368           digits=(AliL3DigitRowData *)fFileHandler->AliDigits2Memory(ndigits,fEvent);
 369           if(0){   //Memory to Binary
 370             fFileHandler->SetBinaryOutput(name);
 371             fFileHandler->Memory2CompBinary(ndigits,digits);
 372             fFileHandler->CloseBinaryOutput();
 373           }
 374         }
 375 #endif
 376       }//end else UseBinary
 377
 378       points = (AliL3SpacePointData *) memory->Allocate(pointsize);
 379
 380       fClusterFinder = new AliL3ClustFinderNew();
 381       fClusterFinder->InitSlice(slice,patch,fRow[patch][0],fRow[patch][1],maxpoints);
 382       fClusterFinder->SetDeconv(fClusterDeconv);
 383       fClusterFinder->SetXYError(fXYClusterError);
 384       fClusterFinder->SetZError(fZClusterError);
 385       if((fXYClusterError>0)&&(fZClusterError>0))
 386         fClusterFinder->SetCalcErr(kFALSE);
 387       fClusterFinder->SetOutputArray(points);
 388       fClusterFinder->Read(ndigits,digits);
 389       fBenchmark->Start("Cluster Finder");
 390       fClusterFinder->ProcessDigits();
 391       fBenchmark->Stop("Cluster Finder");
 392       npoints = fClusterFinder->GetNumberOfClusters();
 393       delete fClusterFinder;
 394       fClusterFinder = 0;
 395       fFileHandler->Free();
 396       LOG(AliL3Log::kInformational,"AliLevel3::ProcessSlice","Cluster Finder")
 397         <<AliL3Log::kDec<<"Found "<<npoints<<" Points"<<ENDLOG;
 398     }//end UseCF
 399     else{// if not use Clusterfinder
 400       if(fUseBinary){//Binary to Memory
 401         memory->Free();
 402         sprintf(name,"/%spoints_%d_%d.raw",fPath,slice,patch);
 403         if(!memory->SetBinaryInput(name)) return;
 404         points = (AliL3SpacePointData *) memory->Allocate();
 405         memory->Binary2Memory(npoints,points);
 406         memory->CloseBinaryInput();
 407         LOG(AliL3Log::kInformational,"AliLevel3::ProcessSlice","Read Cluster")
 408         <<AliL3Log::kDec<<"Found "<<npoints<<" Points in File"<<ENDLOG;
 409       }
 410 #ifdef use_aliroot
 411       else{
 412         points = fFileHandler->AliPoints2Memory(npoints);
 413       }
 414 #endif
 415       fBenchmark->Start("Dummy Unpacker");
 416       fBenchmark->Stop("Dummy Unpacker");
 417       fBenchmark->Start("Dummy CF");
 418       fBenchmark->Stop("Dummy CF");
 419     }
 420
 421     if(patch == fNPatch-1){
 422       // Vertex
 423       if(fFindVertex){
 424       // Vertex Finder
 425
 426         fBenchmark->Start("Vertex Finder Read");
 427         fVertexFinder->Reset();
 428         fVertexFinder->Read(npoints,points);
 429         fBenchmark->Stop("Vertex Finder Read");
 430         fBenchmark->Start("Vertex Finder");
 431         fVertexFinder->Analyze();
 432         AliL3VertexData vertex[1];
 433         fVertexFinder->Write(vertex);
 434         fVertex->Read(vertex);
 435         fBenchmark->Stop("Vertex Finder");
 436       }
 437       else{
 438         //use 0,0,0 for vertex
 439         fVertex->SetZero();
 440       }
 441       fTrackMerger->SetVertex(fVertex);
 442     }
 443     fTracker->InitSector(slice,fRow[patch]);//,fEta);
 444     fTracker->SetVertex(fVertex);
 445     fBenchmark->Start("Tracker Read Hits");
 446     fTracker->ReadHits(npoints,points);
 447     fBenchmark->Stop("Tracker Read Hits");
 448     fBenchmark->Start("MainVertexTracking A");
 449     fTracker->MainVertexTracking();
 450     //fTracker->MainVertexTracking_a();
 451     fBenchmark->Stop("MainVertexTracking A");
 452     //fBenchmark->Start("MainVertexTracking B");
 453     //fTracker->MainVertexTracking_b();
 454     //fBenchmark->Stop("MainVertexTracking B");
 455     fBenchmark->Start("Tracking fit");
 456     if(fDoNonVertex)
 457       fTracker->NonVertexTracking();//Do a second pass for nonvertex tracks
 458     fTracker->FillTracks();
 459     fBenchmark->Stop("Tracking fit");
 460
 461     if(fWriteOut)
 462        WriteSpacePoints(npoints, points, slice, patch); //do after Tracking
 463
 464     //free memory
 465     if(UseCF)
 466       memory->Free();
 467     else
 468       fFileHandler->Free();
 469
 470     UInt_t ntracks0 =0;
 471     AliL3TrackSegmentData *trackdata0  =
 472          (AliL3TrackSegmentData *) memory->Allocate(fTracker->GetTracks());
 473     memory->TrackArray2Memory(ntracks0,trackdata0,fTracker->GetTracks());
 474     /*
 475     //write tracks
 476     if(fWriteOut){
 477       sprintf(name,"%stracks_tr_%d_%d.raw",fWriteOutPath,slice,patch);
 478       memory->SetBinaryOutput(name);
 479       memory->Memory2Binary(ntracks0,trackdata0);
 480       memory->CloseBinaryOutput();
 481     }
 482     */
 483     fInterMerger->Reset();
 484     fInterMerger->Init(fRow[patch],patch);
 485
 486     fInterMerger->FillTracks(ntracks0,trackdata0);
 487
 488     //fBenchmark->Start("Inter Merger");
 489     // fInterMerger->Merge();
 490     //    fInterMerger->SlowMerge();
 491
 492     //fBenchmark->Stop("Inter Merger");
 493     /*
 494     //write inter merged tracks
 495     if(fWriteOut){
 496       sprintf(name,"%stracks_im_%d_%d.raw",fWriteOutPath,slice,patch);
 497       WriteTracks(name,fInterMerger,'i'); //write output of intermerger
 498       }
 499     */
 500     memory->Free();
 501
 502     UInt_t ntracks1 =0;
 503     AliL3TrackSegmentData *trackdata1 =
 504       (AliL3TrackSegmentData *) memory->Allocate(fInterMerger->GetInTracks(0));
 505     memory->TrackArray2Memory(ntracks1,trackdata1,fInterMerger->GetInTracks(0));
 506
 507     fTrackMerger->InitSector(slice,patch);
 508     fTrackMerger->FillTracks(ntracks1,trackdata1);
 509
 510     memory->Free();
 511   }
 512   fBenchmark->Start("Patch Merger");
 513   //fTrackMerger->SlowMerge();
 514   //fTrackMerger->AddAllTracks();
 515   fTrackMerger->Merge();
 516   fBenchmark->Stop("Patch Merger");
 517   /*
 518   //write merged tracks
 519   if(fWriteOut){
 520     sprintf(name,"%stracks_tm_%d.raw",fWriteOutPath,slice);
 521     WriteTracks(name,fTrackMerger,'o'); //write output of trackmerger
 522   }
 523   */
 524   fTrackData = (AliL3TrackSegmentData *)
 525                          fFileHandler->Allocate(fTrackMerger->GetOutTracks());
 526
 527   fFileHandler->TrackArray2Memory(fNTrackData,fTrackData,
 528                                                 fTrackMerger->GetOutTracks());
 529
 530   delete memory;
 531 }
 532
 533 void AliLevel3::WriteSpacePoints(UInt_t npoints,AliL3SpacePointData *points,
 534                                                       Int_t slice,Int_t patch){
 535   char name[256];
 536   sprintf(name,"%spoints_%d_%d.raw",fWriteOutPath,slice,patch);
 537   AliL3MemHandler * memory = new AliL3MemHandler();
 538   memory->SetBinaryOutput(name);
 539   memory->Transform(npoints,points,slice);
 540   memory->Memory2Binary(npoints,points);
 541   memory->CloseBinaryOutput();
 542   delete  memory;
 543 }
 544
 545 Int_t AliLevel3::WriteTracks(char *filename,AliL3Merger *merger,char opt){
 546   AliL3MemHandler *memory = new AliL3MemHandler();
 547   memory->SetBinaryOutput(filename);
 548   if(opt=='a'||opt=='i'){  //add intracks
 549     for(Int_t i=0;i<merger->GetNIn();i++){
 550       AliL3TrackArray *tr=merger->GetInTracks(i);
 551       memory->TrackArray2Binary(tr);
 552     }
 553   }
 554
 555   if(opt=='o'||opt=='a'){
 556     AliL3TrackArray *tr=merger->GetOutTracks();
 557     memory->TrackArray2Binary(tr);
 558   }
 559
 560   memory->CloseBinaryOutput();
 561
 562   return 1;
 563 }
 564
 565 void AliLevel3::WriteResults()
 566 {
 567   //Write the resulting tracks to outputfile
 568   Char_t fname[256];
 569   sprintf(fname,"%stracks.raw",fWriteOutPath);
 570   WriteTracks(fname,fGlobalMerger,'a');
 571   //WriteTracks("tracks.raw",fGlobalMerger,'a');
 572   sprintf(fname,"%stracks_gl.raw",fWriteOutPath);
 573   WriteTracks(fname,fGlobalMerger,'o');
 574   //WriteTracks("tracks_gl.raw",fGlobalMerger,'o');
 575 }