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 <TFile.h>
   7 #include <TDirectory.h>
   8 #include <TClonesArray.h>
   9 #include <TStopwatch.h>
  10 #include <iostream.h>
  11
  12 #include "AliL3Logging.h"
  13 #include "AliLevel3.h"
  14 #include "AliL3ConfMapper.h"
  15 #include "AliL3Vertex.h"
  16 #include "AliL3VertexFinder.h"
  17 #include "AliL3TrackMerger.h"
  18 #include "AliL3GlobalMerger.h"
  19 #include "AliL3InterMerger.h"
  20 #include "AliL3ConfMapPoint.h"
  21 #include "AliL3ConfMapTrack.h"
  22 #include "AliL3Transform.h"
  23 #include "AliL3ClustFinderNew.h"
  24 #include "AliL3DigitData.h"
  25 #include "AliL3TrackArray.h"
  26 #include "AliL3MemHandler.h"
  27 #ifdef use_aliroot
  28 #include "AliL3FileHandler.h"
  29 #endif
  30 #include "AliL3Benchmark.h"
  31
  32 #include "AliL3DigitData.h"
  33 #include "AliL3TrackSegmentData.h"
  34 #include "AliL3SpacePointData.h"
  35 #include "AliL3VertexData.h"
  36
  37 //_____________________________________________________________
  38 //
  39 //  AliLevel3
  40 //
  41 //  Interface class for Level3 tracker.
  42 //  Tracking is done by calling constructor with input,output
  43 //  given as argument.
  44 //  You must always remember to set the tracking parameters. E.g.:
  45 //
  46 //  AliLevel3 *level3 = new AliLevel3(inputfile,outputfile);
  47 //  level3->SetTrackerParam(); //Sets default tracking parameters
  48 //  level3->ProcessSector(2,2);  //Does tracking on sector 2 (actually 2+38)
  49 //Begin_Html
  50 /*
  51 <img src="tpcsectorsnb.gif">
  52 */
  53 //End_Html
  54
  55 ClassImp(AliLevel3)
  56
  57 AliLevel3::AliLevel3()
  58 {
  59   fInputFile=0;
  60 }
  61
  62 AliLevel3::AliLevel3(Char_t *infile)
  63 {
  64   //Constructor. Calls constructor of the tracker, vertexfinder and merger classes.
  65
  66   fInputFile = new TFile(infile,"READ");
  67
  68   if(!fInputFile->IsOpen())
  69     {
  70       LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
  71         <<"Inputfile "<<infile<<" does not exist"<<ENDLOG;
  72       return;
  73     }
  74
  75 }
  76
  77 AliLevel3::AliLevel3(TFile *in)
  78 {
  79   fInputFile  =  in;
  80   if(!in){
  81     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
  82     <<"Pointer to InFile 0x0!"<<ENDLOG;
  83     return;
  84   }
  85
  86   if(!fInputFile->IsOpen())
  87     {
  88     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
  89     <<"Inputfile does not exist"<<ENDLOG;
  90       return;
  91     }
  92 }
  93
  94 void AliLevel3::Init(Char_t *path,Bool_t binary=kTRUE,Int_t npatches=6)
  95 {
  96   if(!binary && !fInputFile)
  97     {
  98       LOG(AliL3Log::kError,"AliLevel3::Init","Files")
  99         <<"You have not supplied the input rootfile; use the appropriate ctor!"<<ENDLOG;
 100       return;
 101     }
 102
 103   AliL3Transform::Init(path);//Initialize the detector parameters.
 104   fWriteOut = kFALSE;
 105   fGlobalMerger=0;
 106   fDoRoi = kFALSE;
 107   fDoNonVertex = kFALSE;
 108   fClusterDeconv = kTRUE;
 109   fEta[0] = 0.;
 110   fEta[1] = 0.9;
 111   fUseBinary = binary;
 112   SetPath(path);
 113   fFindVertex =kFALSE;
 114   fEvent=0;
 115
 116   switch(npatches){
 117   case 1:
 118     fNPatch = 1;        //number of patches change row in process
 119     fRow[0][0] = 0;     // first row
 120     fRow[0][1] = 175;   // last row
 121     break;
 122   case 2:
 123     fNPatch = 2;        //number of patches change row in process
 124     fRow[0][0] = 0;     // first row
 125     fRow[0][1] = 54;
 126     fRow[1][0] = 55;
 127     fRow[1][1] = 175;   // last row
 128     break;
 129   case 5:
 130     fNPatch = 5;        //number of patches change row in process
 131     fRow[0][0] = 0;     // first row
 132     fRow[0][1] = 45;
 133     fRow[1][0] = 46;
 134     fRow[1][1] = 77;
 135     fRow[2][0] = 78;
 136     fRow[2][1] = 109;
 137     fRow[3][0] = 110;
 138     fRow[3][1] = 141;
 139     fRow[4][0] = 142;
 140     fRow[4][1] = 175;   // last row
 141     break;
 142   default:
 143     fNPatch = 6;        //number of patches change row in process
 144     fRow[0][0] = 0;     // first row
 145     fRow[0][1] = 31;
 146     fRow[1][0] = 32;
 147     fRow[1][1] = 63;
 148     fRow[2][0] = 64;
 149     fRow[2][1] = 91;
 150     fRow[3][0] = 92;
 151     fRow[3][1] = 119;
 152     fRow[4][0] = 120;
 153     fRow[4][1] = 143;
 154     fRow[5][0] = 144;
 155     fRow[5][1] = 175;   // last row
 156   }
 157
 158   fVertexFinder = new AliL3VertexFinder();
 159   fVertex = new AliL3Vertex();
 160   fTracker = new AliL3ConfMapper();
 161   fTrackMerger = new AliL3TrackMerger(fNPatch);
 162   fInterMerger = new AliL3InterMerger();
 163 #ifdef use_aliroot
 164   fFileHandler = new AliL3FileHandler();
 165   fFileHandler->SetAliInput(fInputFile);
 166 #else
 167   fFileHandler = new AliL3MemHandler();
 168 #endif
 169   fBenchmark = new AliL3Benchmark();
 170 }
 171
 172 void AliLevel3::DoBench(char* name){
 173   fBenchmark->Analyze(name);
 174 }
 175
 176 void AliLevel3::DoMc(char* file){
 177 #ifdef use_aliroot
 178   if(!fFileHandler->IsDigit())
 179     fFileHandler->SetMCOutput(file);
 180 #endif
 181 }
 182
 183 AliLevel3::~AliLevel3(){
 184   //Destructor
 185   if(fVertexFinder)  delete fVertexFinder;
 186   if(fVertex)  delete fVertex;
 187   if(fTracker) delete fTracker;
 188   if(fTrackMerger) delete fTrackMerger;
 189   if(fInterMerger) delete fInterMerger;
 190   if(fFileHandler) delete fFileHandler;
 191 }
 192
 193 void AliLevel3::SetTrackerParam(Int_t phi_segments, Int_t eta_segments,
 194                                 Int_t trackletlength, Int_t tracklength,
 195                                 Int_t rowscopetracklet, Int_t rowscopetrack,
 196                                 Double_t min_pt_fit, Double_t maxangle,
 197                                 Double_t goodDist, Double_t hitChi2Cut,
 198                                 Double_t goodHitChi2, Double_t trackChi2Cut,
 199                                 Int_t maxdist,Double_t maxphi,Double_t maxeta,Bool_t vertexconstraint)
 200 {
 201   //Set parameters input to the tracker
 202   //If no arguments are given, default parameters will be used
 203
 204   fTracker->SetNSegments(phi_segments,eta_segments);
 205   fTracker->SetMaxDca(min_pt_fit);
 206   fTracker->SetTrackCuts(hitChi2Cut,goodHitChi2,trackChi2Cut,maxdist,vertexconstraint);
 207   fTracker->SetTrackletCuts(maxangle,goodDist,vertexconstraint);
 208   if(vertexconstraint)
 209     fTracker->MainVertexSettings(trackletlength,tracklength,rowscopetracklet,rowscopetrack,maxphi,maxeta);
 210   else
 211     fTracker->NonVertexSettings(trackletlength,tracklength,rowscopetracklet,rowscopetrack);
 212
 213   fTracker->SetParamDone(true);
 214   fTracker->InitVolumes();
 215 }
 216
 217 void AliLevel3::ProcessEvent(Int_t first,Int_t last,Int_t event){
 218   //Do tracking on all slices in region [first,last]
 219   //Slices numbering in TPC goes from 0-35, which means that 1 slice
 220   //corresponds to inner+outer sector.E.g. slice 2 corresponds to
 221   //inner=2 + outer=38.
 222   fGlobalMerger= new AliL3GlobalMerger(first,last);
 223   fEvent=event;
 224   for(Int_t i=first; i<=last; i++){
 225     ProcessSlice(i);
 226     fGlobalMerger->SetVertex(fVertex);
 227     fGlobalMerger->InitSlice(i);
 228     fGlobalMerger->FillTracks(fNTrackData,fTrackData);
 229     fFileHandler->Free();   //free the memory
 230     fNTrackData=0;
 231     fTrackData=0;
 232   }
 233   fBenchmark->Start("Global Merger");
 234   //fGlobalMerger->AddAllTracks();
 235   fGlobalMerger->Merge();
 236   //fGlobalMerger->SlowMerge();
 237   fBenchmark->Stop("Global Merger");
 238
 239   if(fWriteOut) WriteResults();
 240   delete fGlobalMerger; fGlobalMerger = 0;
 241 }
 242
 243 void AliLevel3::ProcessSlice(Int_t slice){
 244   char name[256];
 245   Bool_t UseCF = kFALSE;
 246 #ifdef use_aliroot
 247   UseCF = fFileHandler->IsDigit();
 248 #else
 249   if(fUseBinary)
 250     UseCF = kTRUE; //In case you are not using aliroot
 251 #endif
 252   const Int_t maxpoints=100000;
 253   const Int_t pointsize = maxpoints * sizeof(AliL3SpacePointData);
 254   AliL3MemHandler *memory = new AliL3MemHandler();
 255
 256   fTrackMerger->Reset();
 257   fTrackMerger->SetRows(fRow[0]);
 258   for(Int_t patch=fNPatch-1;patch>=0;patch--){
 259     fFileHandler->Init(slice,patch,fRow[patch]);
 260     UInt_t npoints=0;
 261     AliL3SpacePointData *points =0;
 262     UInt_t ndigits=0;
 263     AliL3DigitRowData *digits =0;
 264     if(UseCF){
 265       if(fUseBinary){
 266         if(!fDoRoi){
 267           if(1){     //Binary to Memory
 268             fFileHandler->Free();
 269             sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 270             if(!fFileHandler->SetBinaryInput(name)) return;
 271             digits= (AliL3DigitRowData *)fFileHandler->CompBinary2Memory(ndigits);
 272             fFileHandler->CloseBinaryInput();
 273           }
 274
 275           if(0){     //Binary to Memory with Benchmark
 276             fFileHandler->Free();
 277             sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 278             if(!memory->SetBinaryInput(name)) return;
 279             UInt_t compsize=memory->GetFileSize();
 280             UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 281             memory->CompBinary2CompMemory(ndigits,comp);
 282             memory->CloseBinaryInput();
 283             UInt_t datasize=memory->GetMemorySize(ndigits,comp);
 284             digits=(AliL3DigitRowData *)fFileHandler->Allocate(datasize);
 285             fBenchmark->Start("Unpacker");
 286             fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 287             fBenchmark->Stop("Unpacker");
 288             memory->Free();
 289           }
 290
 291           if(0){     //Binary to Memory with Random
 292             fFileHandler->Free();
 293             fFileHandler->ResetRandom();
 294             fFileHandler->SetRandomCluster(100);
 295             fFileHandler->SetNGenerate(100);
 296             sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 297             if(!memory->SetBinaryInput(name)) return;
 298             UInt_t compsize=memory->GetFileSize();
 299             UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 300             memory->CompBinary2CompMemory(ndigits,comp);
 301             memory->CloseBinaryInput();
 302             UInt_t dsize=memory->GetMemorySize(ndigits,comp);
 303             UInt_t rsize=fFileHandler->GetRandomSize();
 304             digits=(AliL3DigitRowData*)fFileHandler->Allocate(dsize+rsize);
 305             fBenchmark->Start("Unpacker");
 306             fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 307             fBenchmark->Stop("Unpacker");
 308             memory->Free();
 309           }
 310         }
 311
 312         else{     //Binary to Memory with Roi
 313           fFileHandler->Free();
 314           Int_t sli[2]={0,0};
 315           fFileHandler->SetROI(fEta,sli);
 316           sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 317           if(!memory->SetBinaryInput(name)) return;
 318           UInt_t compsize=memory->GetFileSize();
 319           UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 320           memory->CompBinary2CompMemory(ndigits,comp);
 321           memory->CloseBinaryInput();
 322           UInt_t datasize=memory->GetMemorySize(ndigits,comp);
 323           digits=(AliL3DigitRowData *)fFileHandler->Allocate(datasize);
 324           fBenchmark->Start("Unpacker");
 325           datasize = fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 326           fBenchmark->Stop("Unpacker");
 327           memory->Free();
 328         }
 329       }//end UseBinary
 330       else{
 331 #ifdef use_aliroot
 332         fBenchmark->Start("Dummy Unpacker");
 333         sprintf(name,"digits_%d_%d.raw",slice,patch);
 334         fBenchmark->Stop("Dummy Unpacker");
 335
 336         if(0){    //Ali to Binary
 337           fFileHandler->SetBinaryOutput(name);
 338           fFileHandler->AliDigits2CompBinary();
 339           fFileHandler->CloseBinaryOutput();
 340         }
 341
 342         if(1){     //Ali to Memory
 343           digits=(AliL3DigitRowData *)fFileHandler->AliDigits2Memory(ndigits,fEvent);
 344           if(fWriteOut){   //Memory to Binary
 345             fFileHandler->SetBinaryOutput(name);
 346             fFileHandler->Memory2CompBinary(ndigits,digits);
 347             fFileHandler->CloseBinaryOutput();
 348           }
 349         }
 350 #endif
 351       }//end else UseBinary
 352
 353       points = (AliL3SpacePointData *) memory->Allocate(pointsize);
 354
 355       fClusterFinder = new AliL3ClustFinderNew();
 356       fClusterFinder->InitSlice(slice,patch,fRow[patch][0],fRow[patch][1]
 357                                 ,maxpoints);
 358       fClusterFinder->SetDeconv(fClusterDeconv);
 359       fClusterFinder->SetXYError(0.2);
 360       fClusterFinder->SetZError(0.3);
 361       fClusterFinder->SetOutputArray(points);
 362       fClusterFinder->Read(ndigits,digits);
 363       fBenchmark->Start("Cluster Finder");
 364       fClusterFinder->ProcessDigits();
 365       fBenchmark->Stop("Cluster Finder");
 366       npoints = fClusterFinder->GetNumberOfClusters();
 367       delete fClusterFinder;
 368       fClusterFinder =0;
 369       fFileHandler->Free();
 370       LOG(AliL3Log::kInformational,"AliLevel3::ProcessSlice","Cluster Finder")
 371         <<AliL3Log::kDec<<"Found "<<npoints<<" Points"<<ENDLOG;
 372
 373
 374     }//end UseCF
 375     else{// if not use Clusterfinder
 376       if(fUseBinary){//Binary to Memory
 377         memory->Free();
 378         sprintf(name,"/%spoints_%d_%d.raw",fPath,slice,patch);
 379         if(!memory->SetBinaryInput(name)) return;
 380         points = (AliL3SpacePointData *) memory->Allocate();
 381         memory->Binary2Memory(npoints,points);
 382         memory->CloseBinaryInput();
 383         LOG(AliL3Log::kInformational,"AliLevel3::ProcessSlice","Read Cluster")
 384         <<AliL3Log::kDec<<"Found "<<npoints<<" Points in File"<<ENDLOG;
 385       }
 386 #ifdef use_aliroot
 387       else{
 388         points = fFileHandler->AliPoints2Memory(npoints);
 389       }
 390 #endif
 391       fBenchmark->Start("Dummy Unpacker");
 392       fBenchmark->Stop("Dummy Unpacker");
 393       fBenchmark->Start("Dummy CF");
 394       fBenchmark->Stop("Dummy CF");
 395     }
 396
 397     if(patch == fNPatch-1){
 398       // Vertex
 399       if(fFindVertex){
 400       // Vertex Finder
 401
 402         fBenchmark->Start("Vertex Finder Read");
 403         fVertexFinder->Reset();
 404         fVertexFinder->Read(npoints,points);
 405         fBenchmark->Stop("Vertex Finder Read");
 406         fBenchmark->Start("Vertex Finder");
 407         fVertexFinder->Analyze();
 408         AliL3VertexData vertex[1];
 409         fVertexFinder->Write(vertex);
 410         fVertex->Read(vertex);
 411         fBenchmark->Stop("Vertex Finder");
 412       }
 413       else{
 414         //use 0,0,0 for vertex
 415         fVertex->SetZero();
 416       }
 417       fTrackMerger->SetVertex(fVertex);
 418     }
 419     fTracker->InitSector(slice,fRow[patch]);//,fEta);
 420     fTracker->SetVertex(fVertex);
 421     fBenchmark->Start("Tracker Read Hits");
 422     fTracker->ReadHits(npoints,points);
 423     fBenchmark->Stop("Tracker Read Hits");
 424     fBenchmark->Start("MainVertexTracking A");
 425     fTracker->MainVertexTracking();
 426     //fTracker->MainVertexTracking_a();
 427     fBenchmark->Stop("MainVertexTracking A");
 428     //fBenchmark->Start("MainVertexTracking B");
 429     //fTracker->MainVertexTracking_b();
 430     //fBenchmark->Stop("MainVertexTracking B");
 431     fBenchmark->Start("Tracking fit");
 432     if(fDoNonVertex)
 433       fTracker->NonVertexTracking();//Do a second pass for nonvertex tracks
 434     fTracker->FillTracks();
 435     fBenchmark->Stop("Tracking fit");
 436
 437     if(fWriteOut)
 438        WriteSpacePoints(npoints, points, slice, patch); //do after Tracking
 439
 440     //free memory
 441     if(UseCF)
 442       memory->Free();
 443     else
 444       fFileHandler->Free();
 445
 446     UInt_t ntracks0 =0;
 447     AliL3TrackSegmentData *trackdata0  =
 448          (AliL3TrackSegmentData *) memory->Allocate(fTracker->GetTracks());
 449     memory->TrackArray2Memory(ntracks0,trackdata0,fTracker->GetTracks());
 450     /*
 451     //write tracks
 452     if(fWriteOut){
 453       sprintf(name,"%stracks_tr_%d_%d.raw",fWriteOutPath,slice,patch);
 454       memory->SetBinaryOutput(name);
 455       memory->Memory2Binary(ntracks0,trackdata0);
 456       memory->CloseBinaryOutput();
 457     }
 458     */
 459     fInterMerger->Reset();
 460     fInterMerger->Init(fRow[patch],patch);
 461
 462     fInterMerger->FillTracks(ntracks0,trackdata0);
 463     fBenchmark->Start("Inter Merger");
 464     // fInterMerger->Merge();
 465 //    fInterMerger->SlowMerge();
 466
 467     fBenchmark->Stop("Inter Merger");
 468     /*
 469     //write inter merged tracks
 470     if(fWriteOut){
 471       sprintf(name,"%stracks_im_%d_%d.raw",fWriteOutPath,slice,patch);
 472       WriteTracks(name,fInterMerger,'i'); //write output of intermerger
 473       }
 474     */
 475     memory->Free();
 476
 477     UInt_t ntracks1 =0;
 478     AliL3TrackSegmentData *trackdata1 =
 479       (AliL3TrackSegmentData *) memory->Allocate(fInterMerger->GetInTracks(0));
 480     memory->TrackArray2Memory(ntracks1,trackdata1,fInterMerger->GetInTracks(0));
 481
 482     fTrackMerger->InitSector(slice,patch);
 483     fTrackMerger->FillTracks(ntracks1,trackdata1);
 484
 485     memory->Free();
 486   }
 487   fBenchmark->Start("Patch Merger");
 488 //  fTrackMerger->SlowMerge();
 489   //fTrackMerger->AddAllTracks();
 490   fTrackMerger->Merge();
 491   fBenchmark->Stop("Patch Merger");
 492   /*
 493   //write merged tracks
 494   if(fWriteOut){
 495     sprintf(name,"%stracks_tm_%d.raw",fWriteOutPath,slice);
 496     WriteTracks(name,fTrackMerger,'o'); //write output of trackmerger
 497   }
 498   */
 499   fTrackData = (AliL3TrackSegmentData *)
 500                          fFileHandler->Allocate(fTrackMerger->GetOutTracks());
 501
 502   fFileHandler->TrackArray2Memory(fNTrackData,fTrackData,
 503                                                 fTrackMerger->GetOutTracks());
 504
 505   delete memory;
 506 }
 507
 508 void AliLevel3::WriteSpacePoints(UInt_t npoints,AliL3SpacePointData *points,
 509                                                       Int_t slice,Int_t patch){
 510   char name[256];
 511   sprintf(name,"%spoints_%d_%d.raw",fWriteOutPath,slice,patch);
 512   AliL3MemHandler * memory = new AliL3MemHandler();
 513   memory->SetBinaryOutput(name);
 514   memory->Transform(npoints,points,slice);
 515   memory->Memory2Binary(npoints,points);
 516   memory->CloseBinaryOutput();
 517   delete  memory;
 518 }
 519
 520
 521 Int_t AliLevel3::WriteTracks(char *filename,AliL3Merger *merger,char opt){
 522   AliL3MemHandler *memory = new AliL3MemHandler();
 523   memory->SetBinaryOutput(filename);
 524   if(opt=='a'||opt=='i'){  //add intracks
 525     for(Int_t i=0;i<merger->GetNIn();i++){
 526       AliL3TrackArray *tr=merger->GetInTracks(i);
 527       memory->TrackArray2Binary(tr);
 528     }
 529   }
 530
 531   if(opt=='o'||opt=='a'){
 532     AliL3TrackArray *tr=merger->GetOutTracks();
 533     memory->TrackArray2Binary(tr);
 534   }
 535
 536   memory->CloseBinaryOutput();
 537
 538   return 1;
 539 }
 540
 541 void AliLevel3::WriteResults()
 542 {
 543   //Write the resulting tracks to outputfile
 544   Char_t fname[256];
 545   sprintf(fname,"%stracks.raw",fWriteOutPath);
 546   WriteTracks(fname,fGlobalMerger,'a');
 547   //WriteTracks("tracks.raw",fGlobalMerger,'a');
 548   sprintf(fname,"%stracks_gl.raw",fWriteOutPath);
 549   WriteTracks(fname,fGlobalMerger,'o');
 550   //WriteTracks("tracks_gl.raw",fGlobalMerger,'o');
 551 }