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   fInputFile=0;
  59   fOutputFile=0;
  60   Init();
  61 }
  62
  63 AliLevel3::AliLevel3(Char_t *infile,Char_t *outfile){
  64   //Constructor. Calls constructor of the tracker, vertexfinder and merger classes.
  65
  66   fOutputFile = new TFile(outfile,"NEW");
  67
  68   if(!fOutputFile->IsOpen())
  69     {
  70     LOG(AliL3Log::kWarning, "AliLevel3::AliLevel3","File Open")
  71     <<"Delete your old "<<outfile<<" file!"<<ENDLOG;
  72     }
  73   fInputFile = new TFile(infile,"READ");
  74
  75   if(!fInputFile->IsOpen())
  76     {
  77     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
  78     <<"Inputfile "<<infile<<" does not exist"<<ENDLOG;
  79     return;
  80     }
  81
  82   Init();
  83 }
  84
  85 AliLevel3::AliLevel3(TFile *in, TFile *out){
  86   fOutputFile = out;
  87   fInputFile  =  in;
  88   if(!in){
  89     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
  90     <<"Pointer to InFile 0x0!"<<ENDLOG;
  91     return;
  92   }
  93   if(!out){
  94     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
  95     <<"Pointer to OutFile 0x0!"<<ENDLOG;
  96     return;
  97   }
  98
  99   if(!fOutputFile->IsOpen())
 100     {
 101     LOG(AliL3Log::kWarning,"AliLevel3::AliLevel3","File Open")
 102     <<"no output file!"<<ENDLOG;
 103       return;
 104     }
 105   if(!fInputFile->IsOpen())
 106     {
 107     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
 108     <<"Inputfile does not exist"<<ENDLOG;
 109       return;
 110     }
 111   Init();
 112 }
 113
 114 void AliLevel3::Init(){
 115   fWriteOut = kFALSE;
 116   fGlobalMerger=0;
 117   fTransformer = new AliL3Transform();
 118   fDoRoi = kFALSE;
 119   fDoNonVertex = kFALSE;
 120   fClusterDeconv = kTRUE;
 121   fEta[0] = 0.;
 122   fEta[1] = 0.9;
 123   fUseBinary =kFALSE;
 124   SetPath("");
 125   fFindVertex =kFALSE;
 126   fEvent=0;
 127   if(1){
 128     fNPatch = 1;   //number of patches change row in process
 129     fRow[0][0] = 0;     // first row
 130     fRow[0][1] = 175;   // last row
 131   }
 132   if(0){
 133     fNPatch = 2;   //number of patches change row in process
 134     fRow[0][0] = 0;     // first row
 135     fRow[0][1] = 54;
 136     fRow[1][0] = 55;
 137     fRow[1][1] = 175;   // last row
 138   }
 139   if(0){
 140     fNPatch = 5;   //number of patches change row in process
 141     fRow[0][0] = 0;     // first row
 142     fRow[0][1] = 45;
 143     fRow[1][0] = 46;
 144     fRow[1][1] = 77;
 145     fRow[2][0] = 78;
 146     fRow[2][1] = 109;
 147     fRow[3][0] = 110;
 148     fRow[3][1] = 141;
 149     fRow[4][0] = 142;
 150     fRow[4][1] = 175;   // last row
 151   }
 152   if(0){
 153     fNPatch = 6;   //number of patches change row in process
 154     fRow[0][0] = 0;     // first row
 155     fRow[0][1] = 31;
 156     fRow[1][0] = 32;
 157     fRow[1][1] = 63;
 158     fRow[2][0] = 64;
 159     fRow[2][1] = 91;
 160     fRow[3][0] = 92;
 161     fRow[3][1] = 119;
 162     fRow[4][0] = 120;
 163     fRow[4][1] = 143;
 164     fRow[5][0] = 144;
 165     fRow[5][1] = 175;   // last row
 166   }
 167   fVertexFinder = new AliL3VertexFinder();
 168   fVertex = new AliL3Vertex();
 169   fTracker = new AliL3ConfMapper();
 170   fTrackMerger = new AliL3TrackMerger(fNPatch);
 171   fInterMerger = new AliL3InterMerger();
 172   #ifdef use_aliroot
 173   fFileHandler = new AliL3FileHandler();
 174   fFileHandler->SetAliInput(fInputFile);
 175   #else
 176   fFileHandler = new AliL3MemHandler();
 177   #endif
 178   fBenchmark = new AliL3Benchmark();
 179 }
 180
 181 void AliLevel3::DoBench(char* name){
 182   fBenchmark->Analyze(name);
 183 }
 184
 185 void AliLevel3::DoMc(char* file){
 186 #ifdef use_aliroot
 187   if(!fFileHandler->IsDigit())
 188     fFileHandler->SetMCOutput(file);
 189 #endif
 190 }
 191
 192 AliLevel3::~AliLevel3(){
 193   //Destructor
 194   if(fVertexFinder)  delete fVertexFinder;
 195   if(fVertex)  delete fVertex;
 196   if(fTracker) delete fTracker;
 197   if(fTransformer) delete fTransformer;
 198   if(fTrackMerger) delete fTrackMerger;
 199   if(fInterMerger) delete fInterMerger;
 200   if(fFileHandler) delete fFileHandler;
 201 }
 202
 203 void AliLevel3::SetTrackerParam(Int_t phi_segments, Int_t eta_segments,
 204                                 Int_t trackletlength, Int_t tracklength,
 205                                 Int_t rowscopetracklet, Int_t rowscopetrack,
 206                                 Double_t min_pt_fit, Double_t maxangle,
 207                                 Double_t goodDist, Double_t hitChi2Cut,
 208                                 Double_t goodHitChi2, Double_t trackChi2Cut,
 209                                 Int_t maxdist,Double_t maxphi,Double_t maxeta,Bool_t vertexconstraint)
 210 {
 211   //Set parameters input to the tracker
 212   //If no arguments are given, default parameters will be used
 213
 214   fTracker->SetNSegments(phi_segments,eta_segments);
 215   fTracker->SetMaxDca(min_pt_fit);
 216   fTracker->SetTrackCuts(hitChi2Cut,goodHitChi2,trackChi2Cut,maxdist,vertexconstraint);
 217   fTracker->SetTrackletCuts(maxangle,goodDist,vertexconstraint);
 218   if(vertexconstraint)
 219     fTracker->MainVertexSettings(trackletlength,tracklength,rowscopetracklet,rowscopetrack,maxphi,maxeta);
 220   else
 221     fTracker->NonVertexSettings(trackletlength,tracklength,rowscopetracklet,rowscopetrack);
 222
 223   fTracker->SetParamDone(true);
 224   fTracker->InitVolumes();
 225 }
 226
 227 void AliLevel3::ProcessEvent(Int_t first,Int_t last,Int_t event){
 228   //Do tracking on all slices in region [first,last]
 229   //Slices numbering in TPC goes from 0-35, which means that 1 slice
 230   //corresponds to inner+outer sector.E.g. slice 2 corresponds to
 231   //inner=2 + outer=38.
 232   fGlobalMerger= new AliL3GlobalMerger(first,last);
 233   fEvent=event;
 234   for(Int_t i=first; i<=last; i++){
 235     ProcessSlice(i);
 236     fGlobalMerger->SetVertex(fVertex);
 237     fGlobalMerger->SetTransformer(fTransformer);
 238     fGlobalMerger->InitSlice(i);
 239     fGlobalMerger->FillTracks(fNTrackData,fTrackData);
 240     fFileHandler->Free();   //free the memory
 241     fNTrackData=0;
 242     fTrackData=0;
 243   }
 244   fBenchmark->Start("Global Merger");
 245   //fGlobalMerger->AddAllTracks();
 246   //fGlobalMerger->Merge();
 247   fGlobalMerger->SlowMerge();
 248   fBenchmark->Stop("Global Merger");
 249
 250   if(fWriteOut) WriteResults();
 251   delete fGlobalMerger; fGlobalMerger = 0;
 252 }
 253
 254 void AliLevel3::ProcessSlice(Int_t slice){
 255   char name[256];
 256   Bool_t UseCF = kFALSE;
 257 #ifdef use_aliroot
 258   UseCF = fFileHandler->IsDigit();
 259 #else
 260   if(fUseBinary)
 261     UseCF = kTRUE; //In case you are not using aliroot
 262 #endif
 263   const Int_t maxpoints=100000;
 264   const Int_t pointsize = maxpoints * sizeof(AliL3SpacePointData);
 265   AliL3MemHandler *memory = new AliL3MemHandler();
 266
 267   fTrackMerger->Reset();
 268   fTrackMerger->SetTransformer(fTransformer);
 269   fTrackMerger->SetRows(fRow[0]);
 270   for(Int_t patch=fNPatch-1;patch>=0;patch--){
 271     fFileHandler->Init(slice,patch,fRow[patch]);
 272     fFileHandler->Init(fTransformer);
 273     UInt_t npoints=0;
 274     AliL3SpacePointData *points =0;
 275     UInt_t ndigits=0;
 276     AliL3DigitRowData *digits =0;
 277     if(UseCF){
 278       if(fUseBinary){
 279         if(!fDoRoi){
 280           if(1){     //Binary to Memory
 281             fFileHandler->Free();
 282             sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 283             if(!fFileHandler->SetBinaryInput(name)) return;
 284             digits= (AliL3DigitRowData *)fFileHandler->CompBinary2Memory(ndigits);
 285             fFileHandler->CloseBinaryInput();
 286           }
 287
 288           if(0){     //Binary to Memory with Benchmark
 289             fFileHandler->Free();
 290             sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 291             if(!memory->SetBinaryInput(name)) return;
 292             UInt_t compsize=memory->GetFileSize();
 293             UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 294             memory->CompBinary2CompMemory(ndigits,comp);
 295             memory->CloseBinaryInput();
 296             UInt_t datasize=memory->GetMemorySize(ndigits,comp);
 297             digits=(AliL3DigitRowData *)fFileHandler->Allocate(datasize);
 298             fBenchmark->Start("Unpacker");
 299             fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 300             fBenchmark->Stop("Unpacker");
 301             memory->Free();
 302           }
 303
 304           if(0){     //Binary to Memory with Random
 305             fFileHandler->Free();
 306             fFileHandler->ResetRandom();
 307             fFileHandler->SetRandomCluster(100);
 308             fFileHandler->SetNGenerate(100);
 309             sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 310             if(!memory->SetBinaryInput(name)) return;
 311             UInt_t compsize=memory->GetFileSize();
 312             UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 313             memory->CompBinary2CompMemory(ndigits,comp);
 314             memory->CloseBinaryInput();
 315             UInt_t dsize=memory->GetMemorySize(ndigits,comp);
 316             UInt_t rsize=fFileHandler->GetRandomSize();
 317             digits=(AliL3DigitRowData*)fFileHandler->Allocate(dsize+rsize);
 318             fBenchmark->Start("Unpacker");
 319             fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 320             fBenchmark->Stop("Unpacker");
 321             memory->Free();
 322           }
 323         }
 324
 325         else{     //Binary to Memory with Roi
 326           fFileHandler->Free();
 327           Int_t sli[2]={0,0};
 328           fFileHandler->SetROI(fEta,sli);
 329           sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 330           if(!memory->SetBinaryInput(name)) return;
 331           UInt_t compsize=memory->GetFileSize();
 332           UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 333           memory->CompBinary2CompMemory(ndigits,comp);
 334           memory->CloseBinaryInput();
 335           UInt_t datasize=memory->GetMemorySize(ndigits,comp);
 336           digits=(AliL3DigitRowData *)fFileHandler->Allocate(datasize);
 337           fBenchmark->Start("Unpacker");
 338           datasize = fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 339           fBenchmark->Stop("Unpacker");
 340           memory->Free();
 341         }
 342       }//end UseBinary
 343       else{
 344 #ifdef use_aliroot
 345         fBenchmark->Start("Dummy Unpacker");
 346         sprintf(name,"digits_%d_%d.raw",slice,patch);
 347         fBenchmark->Stop("Dummy Unpacker");
 348
 349         if(0){    //Ali to Binary
 350           fFileHandler->SetBinaryOutput(name);
 351           fFileHandler->AliDigits2CompBinary();
 352           fFileHandler->CloseBinaryOutput();
 353         }
 354
 355         if(1){     //Ali to Memory
 356           digits=(AliL3DigitRowData *)fFileHandler->AliDigits2Memory(ndigits,fEvent);
 357           if(fWriteOut){   //Memory to Binary
 358             fFileHandler->SetBinaryOutput(name);
 359             fFileHandler->Memory2CompBinary(ndigits,digits);
 360             fFileHandler->CloseBinaryOutput();
 361           }
 362         }
 363 #endif
 364       }//end else UseBinary
 365
 366       points = (AliL3SpacePointData *) memory->Allocate(pointsize);
 367
 368       fClusterFinder = new AliL3ClustFinderNew(fTransformer);
 369       fClusterFinder->InitSlice(slice,patch,fRow[patch][0],fRow[patch][1]
 370                                 ,maxpoints);
 371       fClusterFinder->SetDeconv(fClusterDeconv);
 372       fClusterFinder->SetXYError(0.2);
 373       fClusterFinder->SetZError(0.3);
 374       fClusterFinder->SetOutputArray(points);
 375       fClusterFinder->Read(ndigits,digits);
 376       fBenchmark->Start("Cluster Finder");
 377       fClusterFinder->ProcessDigits();
 378       fBenchmark->Stop("Cluster Finder");
 379       npoints = fClusterFinder->GetNumberOfClusters();
 380       delete fClusterFinder;
 381       fClusterFinder =0;
 382       fFileHandler->Free();
 383       LOG(AliL3Log::kInformational,"AliLevel3::ProcessSlice","Cluster Finder")
 384         <<AliL3Log::kDec<<"Found "<<npoints<<" Points"<<ENDLOG;
 385
 386
 387     }//end UseCF
 388     else{// if not use Clusterfinder
 389       if(fUseBinary){//Binary to Memory
 390         memory->Free();
 391         sprintf(name,"/%spoints_%d_%d.raw",fPath,slice,patch);
 392         if(!memory->SetBinaryInput(name)) return;
 393         points = (AliL3SpacePointData *) memory->Allocate();
 394         memory->Binary2Memory(npoints,points);
 395         memory->CloseBinaryInput();
 396         LOG(AliL3Log::kInformational,"AliLevel3::ProcessSlice","Read Cluster")
 397         <<AliL3Log::kDec<<"Found "<<npoints<<" Points in File"<<ENDLOG;
 398       }
 399 #ifdef use_aliroot
 400       else{
 401         points = fFileHandler->AliPoints2Memory(npoints);
 402       }
 403 #endif
 404       fBenchmark->Start("Dummy Unpacker");
 405       fBenchmark->Stop("Dummy Unpacker");
 406       fBenchmark->Start("Dummy CF");
 407       fBenchmark->Stop("Dummy CF");
 408     }
 409
 410     if(patch == fNPatch-1){
 411       // Vertex
 412       if(fFindVertex){
 413       // Vertex Finder
 414
 415         fBenchmark->Start("Vertex Finder Read");
 416         fVertexFinder->Reset();
 417         fVertexFinder->Read(npoints,points);
 418         fBenchmark->Stop("Vertex Finder Read");
 419         fBenchmark->Start("Vertex Finder");
 420         fVertexFinder->Analyze();
 421         AliL3VertexData vertex[1];
 422         fVertexFinder->Write(vertex);
 423         fVertex->Read(vertex);
 424         fBenchmark->Stop("Vertex Finder");
 425       }
 426       else{
 427         //use 0,0,0 for vertex
 428         fVertex->SetZero();
 429       }
 430       fTrackMerger->SetVertex(fVertex);
 431     }
 432     fTracker->InitSector(slice,fRow[patch]);//,fEta);
 433     fTracker->SetVertex(fVertex);
 434     fBenchmark->Start("Tracker Read Hits");
 435     fTracker->ReadHits(npoints,points);
 436     fBenchmark->Stop("Tracker Read Hits");
 437     fBenchmark->Start("MainVertexTracking A");
 438     fTracker->MainVertexTracking();
 439     //fTracker->MainVertexTracking_a();
 440     fBenchmark->Stop("MainVertexTracking A");
 441     //fBenchmark->Start("MainVertexTracking B");
 442     //fTracker->MainVertexTracking_b();
 443     //fBenchmark->Stop("MainVertexTracking B");
 444     fBenchmark->Start("Tracking fit");
 445     if(fDoNonVertex)
 446       fTracker->NonVertexTracking();//Do a second pass for nonvertex tracks
 447     fTracker->FillTracks();
 448     fBenchmark->Stop("Tracking fit");
 449
 450     if(fWriteOut)
 451        WriteSpacePoints(npoints, points, slice, patch); //do after Tracking
 452
 453     //free memory
 454     if(UseCF)
 455       memory->Free();
 456     else
 457       fFileHandler->Free();
 458
 459     UInt_t ntracks0 =0;
 460     AliL3TrackSegmentData *trackdata0  =
 461          (AliL3TrackSegmentData *) memory->Allocate(fTracker->GetTracks());
 462     memory->TrackArray2Memory(ntracks0,trackdata0,fTracker->GetTracks());
 463     /*
 464     //write tracks
 465     if(fWriteOut){
 466       sprintf(name,"%stracks_tr_%d_%d.raw",fWriteOutPath,slice,patch);
 467       memory->SetBinaryOutput(name);
 468       memory->Memory2Binary(ntracks0,trackdata0);
 469       memory->CloseBinaryOutput();
 470     }
 471     */
 472     fInterMerger->Reset();
 473     fInterMerger->SetTransformer(fTransformer);
 474     fInterMerger->Init(fRow[patch],patch);
 475
 476     fInterMerger->FillTracks(ntracks0,trackdata0);
 477     fBenchmark->Start("Inter Merger");
 478     // fInterMerger->Merge();
 479 //    fInterMerger->SlowMerge();
 480
 481     fBenchmark->Stop("Inter Merger");
 482     /*
 483     //write inter merged tracks
 484     if(fWriteOut){
 485       sprintf(name,"%stracks_im_%d_%d.raw",fWriteOutPath,slice,patch);
 486       WriteTracks(name,fInterMerger,'i'); //write output of intermerger
 487       }
 488     */
 489     memory->Free();
 490
 491     UInt_t ntracks1 =0;
 492     AliL3TrackSegmentData *trackdata1 =
 493       (AliL3TrackSegmentData *) memory->Allocate(fInterMerger->GetInTracks(0));
 494     memory->TrackArray2Memory(ntracks1,trackdata1,fInterMerger->GetInTracks(0));
 495
 496     fTrackMerger->InitSector(slice,patch);
 497     fTrackMerger->FillTracks(ntracks1,trackdata1);
 498
 499     memory->Free();
 500   }
 501   fBenchmark->Start("Patch Merger");
 502 //  fTrackMerger->SlowMerge();
 503   //fTrackMerger->AddAllTracks();
 504   fTrackMerger->Merge();
 505   fBenchmark->Stop("Patch Merger");
 506   /*
 507   //write merged tracks
 508   if(fWriteOut){
 509     sprintf(name,"%stracks_tm_%d.raw",fWriteOutPath,slice);
 510     WriteTracks(name,fTrackMerger,'o'); //write output of trackmerger
 511   }
 512   */
 513   fTrackData = (AliL3TrackSegmentData *)
 514                          fFileHandler->Allocate(fTrackMerger->GetOutTracks());
 515
 516   fFileHandler->TrackArray2Memory(fNTrackData,fTrackData,
 517                                                 fTrackMerger->GetOutTracks());
 518
 519   delete memory;
 520 }
 521
 522 void AliLevel3::WriteSpacePoints(UInt_t npoints,AliL3SpacePointData *points,
 523                                                       Int_t slice,Int_t patch){
 524   char name[256];
 525   sprintf(name,"%spoints_%d_%d.raw",fWriteOutPath,slice,patch);
 526   AliL3MemHandler * memory = new AliL3MemHandler();
 527   memory->SetBinaryOutput(name);
 528   memory->Transform(npoints,points,slice,fTransformer);
 529   memory->Memory2Binary(npoints,points);
 530   memory->CloseBinaryOutput();
 531   delete  memory;
 532 }
 533
 534
 535 Int_t AliLevel3::WriteTracks(char *filename,AliL3Merger *merger,char opt){
 536   AliL3MemHandler *memory = new AliL3MemHandler();
 537   memory->SetBinaryOutput(filename);
 538   if(opt=='a'||opt=='i'){  //add intracks
 539     for(Int_t i=0;i<merger->GetNIn();i++){
 540       AliL3TrackArray *tr=merger->GetInTracks(i);
 541       memory->TrackArray2Binary(tr);
 542     }
 543   }
 544
 545   if(opt=='o'||opt=='a'){
 546     AliL3TrackArray *tr=merger->GetOutTracks();
 547     memory->TrackArray2Binary(tr);
 548   }
 549
 550   memory->CloseBinaryOutput();
 551
 552   return 1;
 553 }
 554
 555 void AliLevel3::WriteResults()
 556 {
 557   //Write the resulting tracks to outputfile
 558   Char_t fname[256];
 559   sprintf(fname,"%stracks.raw",fWriteOutPath);
 560   WriteTracks(fname,fGlobalMerger,'a');
 561   //WriteTracks("tracks.raw",fGlobalMerger,'a');
 562   sprintf(fname,"%stracks_gl.raw",fWriteOutPath);
 563   WriteTracks(fname,fGlobalMerger,'o');
 564   //WriteTracks("tracks_gl.raw",fGlobalMerger,'o');
 565 }