HLT/src/AliLevel3.cxx

   1 //Author:        Uli Frankenfeld
   2 //Author:        Anders Strand Vestbo
   3 //Last Modified: 13.12.2000
   4
   5 #include <TFile.h>
   6 #include <TDirectory.h>
   7 #include <TClonesArray.h>
   8 #include <TStopwatch.h>
   9 #include <iostream.h>
  10
  11 #include "AliL3Logging.h"
  12 #include "AliLevel3.h"
  13 #include "AliL3ConfMapper.h"
  14 #include "AliL3Vertex.h"
  15 #include "AliL3VertexFinder.h"
  16 #include "AliL3TrackMerger.h"
  17 #include "AliL3GlobalMerger.h"
  18 #include "AliL3InterMerger.h"
  19 #include "AliL3ConfMapPoint.h"
  20 #include "AliL3ConfMapTrack.h"
  21 #include "AliL3Transform.h"
  22 #include "AliL3ClustFinder.h"
  23 #include "AliL3DigitData.h"
  24 #include "AliL3TrackArray.h"
  25 #include "AliL3MemHandler.h"
  26 #ifdef use_aliroot
  27 #include "AliL3FileHandler.h"
  28 #endif
  29 #include "AliL3Benchmark.h"
  30
  31 #include "AliL3DigitData.h"
  32 #include "AliL3TrackSegmentData.h"
  33 #include "AliL3SpacePointData.h"
  34 #include "AliL3VertexData.h"
  35
  36 //_______________________________________
  37 //
  38 //  AliLevel3
  39 //
  40 //  Interface class for Level3 tracker.
  41 //  Tracking is done by calling constructor with input,output
  42 //  given as argument.
  43 //  You must always remember to set the tracking parameters. E.g.:
  44 //
  45 //  AliLevel3 *level3 = new AliLevel3(inputfile,outputfile);
  46 //  level3->SetTrackerParam(); //Sets default tracking parameters
  47 //  level3->ProcessSector(2,2);  //Does tracking on sector 2 (actually 2+38)
  48
  49 ClassImp(AliLevel3)
  50
  51 AliLevel3::AliLevel3(){
  52   fInputFile=0;
  53   fOutputFile=0;
  54   Init();
  55 }
  56
  57 AliLevel3::AliLevel3(Char_t *infile,Char_t *outfile){
  58   //Constructor. Calls constructor of the tracker, vertexfinder and merger classes.
  59
  60   fOutputFile = new TFile(outfile,"NEW");
  61
  62   if(!fOutputFile->IsOpen())
  63     {
  64     LOG(AliL3Log::kWarning, "AliLevel3::AliLevel3","File Open")
  65     <<"Delete your old "<<outfile<<" file!"<<ENDLOG;
  66     }
  67   fInputFile = new TFile(infile,"READ");
  68
  69   if(!fInputFile->IsOpen())
  70     {
  71     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
  72     <<"Inputfile "<<infile<<" does not exist"<<ENDLOG;
  73     return;
  74     }
  75
  76   Init();
  77 }
  78
  79 AliLevel3::AliLevel3(TFile *in, TFile *out){
  80   fOutputFile = out;
  81   fInputFile  =  in;
  82   if(!in){
  83     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
  84     <<"Pointer to InFile 0x0!"<<ENDLOG;
  85     return;
  86   }
  87   if(!out){
  88     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
  89     <<"Pointer to OutFile 0x0!"<<ENDLOG;
  90     return;
  91   }
  92
  93   if(!fOutputFile->IsOpen())
  94     {
  95     LOG(AliL3Log::kWarning,"AliLevel3::AliLevel3","File Open")
  96     <<"no output file!"<<ENDLOG;
  97       return;
  98     }
  99   if(!fInputFile->IsOpen())
 100     {
 101     LOG(AliL3Log::kError,"AliLevel3::AliLevel3","File Open")
 102     <<"Inputfile does not exist"<<ENDLOG;
 103       return;
 104     }
 105   Init();
 106 }
 107
 108 void AliLevel3::Init(){
 109   fWriteOut = kFALSE;
 110   fGlobalMerger=0;
 111   fTransformer = new AliL3Transform();
 112   fDoRoi = kFALSE;
 113   fUseBinary =kFALSE;
 114   SetPath("");
 115   fFindVertex =kTRUE;
 116   fNPatch = 5;   //number of patches change row in process
 117   fVertexFinder = new AliL3VertexFinder();
 118   fVertex = new AliL3Vertex();
 119   fTracker = new AliL3ConfMapper();
 120   fTrackMerger = new AliL3TrackMerger(fNPatch);
 121   fInterMerger = new AliL3InterMerger();
 122   #ifdef use_aliroot
 123   fFileHandler = new AliL3FileHandler();
 124   fFileHandler->SetAliInput(fInputFile);
 125   #else
 126   fFileHandler = new AliL3MemHandler();
 127   #endif
 128   fBenchmark = new AliL3Benchmark();
 129 }
 130
 131 void AliLevel3::DoBench(char* name){
 132   fBenchmark->Analyze(name);
 133 }
 134
 135 void AliLevel3::DoMc(char* file){
 136   #ifdef use_aliroot
 137   if(!fFileHandler->IsDigit())
 138     fFileHandler->SetMCOutput(file);
 139   #endif
 140 }
 141
 142 AliLevel3::~AliLevel3(){
 143   //Destructor
 144   if(fVertexFinder)  delete fVertexFinder;
 145   if(fVertex)  delete fVertex;
 146   if(fTracker) delete fTracker;
 147   if(fTransformer) delete fTransformer;
 148   if(fTrackMerger) delete fTrackMerger;
 149   if(fInterMerger) delete fInterMerger;
 150   if(fFileHandler) delete fFileHandler;
 151 }
 152
 153 void AliLevel3::SetTrackerParam(Int_t phi_segments, Int_t eta_segments,
 154                                    Int_t trackletlength, Int_t tracklength,
 155                                    Int_t rowscopetracklet, Int_t rowscopetrack,
 156                                    Double_t min_pt_fit, Double_t maxangle,
 157                                    Double_t goodDist, Double_t hitChi2Cut,
 158                                    Double_t goodHitChi2, Double_t trackChi2Cut,
 159                                    Int_t maxdist)
 160 {
 161   //Set parameters input to the tracker
 162   //If no arguments are given, default parameters will be used
 163
 164   fTracker->SetNSegments(phi_segments,eta_segments);
 165   fTracker->MainVertexSettings(trackletlength,tracklength,rowscopetracklet,rowscopetrack);
 166   fTracker->SetMaxDca(min_pt_fit);
 167   fTracker->SetTrackletCuts(maxangle,goodDist,true);
 168   fTracker->SetTrackCuts(hitChi2Cut,goodHitChi2,trackChi2Cut,maxdist);
 169
 170   fTracker->SetParamDone(true);
 171 }
 172
 173 void AliLevel3::ProcessEvent(Int_t first,Int_t last){
 174   //Do tracking on all slices in region [first,last]
 175   //Slices numbering in TPC goes from 0-35, which means that 1 slice
 176   //corresponds to inner+outer sector.E.g. slice 2 corresponds to
 177   //inner=2 + outer=38.
 178   fGlobalMerger= new AliL3GlobalMerger(first,last);
 179   for(Int_t i=first; i<=last; i++){
 180     ProcessSlice(i);
 181     fGlobalMerger->SetVertex(fVertex);
 182     fGlobalMerger->SetTransformer(fTransformer);
 183     fGlobalMerger->InitSlice(i);
 184     fGlobalMerger->FillTracks(fNTrackData,fTrackData);
 185     fFileHandler->Free();   //free the memory
 186     fNTrackData=0;
 187     fTrackData=0;
 188   }
 189   fBenchmark->Start("Global Merger");
 190   fGlobalMerger->Merge();
 191 //  fGlobalMerger->SlowMerge();
 192   fBenchmark->Stop("Global Merger");
 193
 194   if(fWriteOut) WriteResults();
 195   delete fGlobalMerger; fGlobalMerger = 0;
 196 }
 197
 198 void AliLevel3::ProcessSlice(Int_t slice){
 199   char name[256];
 200 //  Int_t row[5][2] = {{ 0,173}};
 201   Int_t row[5][2] = {{ 0, 45},{46,77},{78,109},{110,141},{142,173}};
 202   const Int_t maxpoints=100000;
 203   const Int_t pointsize = maxpoints * sizeof(AliL3SpacePointData);
 204   AliL3MemHandler *memory = new AliL3MemHandler();
 205
 206   fTrackMerger->Reset();
 207   fTrackMerger->SetTransformer(fTransformer);
 208   fTrackMerger->SetRows(row[0]);
 209   for(Int_t patch=fNPatch-1;patch>=0;patch--){
 210     fFileHandler->Init(slice,patch,row[patch]);
 211     fFileHandler->Init(fTransformer);
 212     UInt_t npoints=0;
 213     AliL3SpacePointData *points =0;
 214     UInt_t ndigits=0;
 215     AliL3DigitRowData *digits =0;
 216     if(fUseBinary){
 217
 218       if(!fDoRoi){
 219         if(0){     //Binary to Memory
 220           fFileHandler->Free();
 221           sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 222           fFileHandler->SetBinaryInput(name);
 223           digits= (AliL3DigitRowData *)fFileHandler->CompBinary2Memory(ndigits);
 224           fFileHandler->CloseBinaryInput();
 225         }
 226
 227         if(1){     //Binary to Memory with Benchmark
 228           fFileHandler->Free();
 229           sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 230           memory->SetBinaryInput(name);
 231           UInt_t compsize=memory->GetFileSize();
 232           UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 233           memory->CompBinary2CompMemory(ndigits,comp);
 234           memory->CloseBinaryInput();
 235           UInt_t datasize=memory->GetMemorySize(ndigits,comp);
 236           digits=(AliL3DigitRowData *)fFileHandler->Allocate(datasize);
 237           fBenchmark->Start("Unpacker");
 238           fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 239           fBenchmark->Stop("Unpacker");
 240           memory->Free();
 241         }
 242
 243         if(0){     //Binary to Memory with Random
 244           fFileHandler->Free();
 245           fFileHandler->ResetRandom();
 246           fFileHandler->SetRandomCluster(100);
 247           fFileHandler->SetNGenerate(100);
 248           sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 249           memory->SetBinaryInput(name);
 250           UInt_t compsize=memory->GetFileSize();
 251           UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 252           memory->CompBinary2CompMemory(ndigits,comp);
 253           memory->CloseBinaryInput();
 254           UInt_t dsize=memory->GetMemorySize(ndigits,comp);
 255           UInt_t rsize=fFileHandler->GetRandomSize();
 256           digits=(AliL3DigitRowData*)fFileHandler->Allocate(dsize+rsize);
 257           fBenchmark->Start("Unpacker");
 258           fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 259           fBenchmark->Stop("Unpacker");
 260           memory->Free();
 261         }
 262       }
 263
 264       else{     //Binary to Memory with Roi
 265         fFileHandler->Free();
 266         Int_t sli[2]={0,0};
 267         fFileHandler->SetROI(fEta,sli);
 268         sprintf(name,"%sdigits_%d_%d.raw",fPath,slice,patch);
 269         memory->SetBinaryInput(name);
 270         UInt_t compsize=memory->GetFileSize();
 271         UInt_t *comp=(UInt_t *)memory->Allocate(compsize);
 272         memory->CompBinary2CompMemory(ndigits,comp);
 273         memory->CloseBinaryInput();
 274         UInt_t datasize=memory->GetMemorySize(ndigits,comp);
 275         digits=(AliL3DigitRowData *)fFileHandler->Allocate(datasize);
 276         fBenchmark->Start("Unpacker");
 277         datasize = fFileHandler->CompMemory2Memory(ndigits,digits,comp);
 278         fBenchmark->Stop("Unpacker");
 279         memory->Free();
 280       }
 281
 282
 283       points = (AliL3SpacePointData *) memory->Allocate(pointsize);
 284
 285       fClusterFinder = new AliL3ClustFinder(fTransformer);
 286       fClusterFinder->InitSlice(slice,patch,row[patch][0],row[patch][1]
 287                                                                ,maxpoints);
 288       fClusterFinder->SetXYError(0.1);
 289       fClusterFinder->SetZError(0.2);
 290       fClusterFinder->SetOutputArray(points);
 291       fClusterFinder->Read(ndigits,digits);
 292       fBenchmark->Start("Cluster Finder");
 293       fClusterFinder->ProcessDigits();
 294       fBenchmark->Stop("Cluster Finder");
 295       npoints = fClusterFinder->GetNumberOfClusters();
 296       delete fClusterFinder;
 297       fClusterFinder =0;
 298       fFileHandler->Free();
 299
 300     LOG(AliL3Log::kInformational,"AliLevel3::ProcessSlice","Cluster Finder")
 301       <<AliL3Log::kDec<<"Found "<<npoints<<" Points"<<ENDLOG;
 302     }
 303
 304     else{
 305 #ifdef use_aliroot
 306       if(fFileHandler->IsDigit()){
 307         sprintf(name,"digits_%d_%d.raw",slice,patch);
 308
 309         if(0){    //Ali to Binary
 310           fFileHandler->SetBinaryOutput(name);
 311           fFileHandler->AliDigits2CompBinary();
 312           fFileHandler->CloseBinaryOutput();
 313         }
 314
 315         if(1){     //Ali to Memory
 316           digits=(AliL3DigitRowData *)fFileHandler->AliDigits2Memory(ndigits);
 317           if(fWriteOut){   //Memory to Binary
 318             fFileHandler->SetBinaryOutput(name);
 319             fFileHandler->Memory2CompBinary(ndigits,digits);
 320             fFileHandler->CloseBinaryOutput();
 321           }
 322         }
 323       }
 324       else   points = fFileHandler->AliPoints2Memory(npoints);
 325 #endif
 326     }
 327
 328     if(patch == fNPatch-1){
 329       // Vertex
 330       if(fFindVertex){
 331       // Vertex Finder
 332
 333         fBenchmark->Start("Vertex Finder Read");
 334         fVertexFinder->Reset();
 335         fVertexFinder->Read(npoints,points);
 336         fBenchmark->Stop("Vertex Finder Read");
 337         fBenchmark->Start("Vertex Finder");
 338         fVertexFinder->Analyze();
 339         AliL3VertexData vertex[1];
 340         fVertexFinder->Write(vertex);
 341         fVertex->Read(vertex);
 342         fBenchmark->Stop("Vertex Finder");
 343       }
 344       else{
 345         //use 0,0,0 for vertex
 346         fVertex->SetZero();
 347       }
 348       fTrackMerger->SetVertex(fVertex);
 349     }
 350     fTracker->InitSector(slice,row[patch]);
 351     fTracker->SetVertex(fVertex);
 352     fBenchmark->Start("Tracker Read Hits");
 353     fTracker->ReadHits(npoints,points);
 354     fBenchmark->Stop("Tracker Read Hits");
 355     fBenchmark->Start("MainVertexTracking A");
 356     fTracker->MainVertexTracking_a();
 357     fBenchmark->Stop("MainVertexTracking A");
 358     fBenchmark->Start("MainVertexTracking B");
 359     fTracker->MainVertexTracking_b();
 360     fBenchmark->Stop("MainVertexTracking B");
 361     fBenchmark->Start("Tracking fit");
 362     fTracker->FillTracks();
 363     fBenchmark->Stop("Tracking fit");
 364
 365     if(fWriteOut)
 366        WriteSpacePoints(npoints, points, slice, patch); //do after Tracking
 367     fFileHandler->Free();
 368
 369     UInt_t ntracks0 =0;
 370     AliL3TrackSegmentData *trackdata0  =
 371          (AliL3TrackSegmentData *) memory->Allocate(fTracker->GetTracks());
 372     memory->TrackArray2Memory(ntracks0,trackdata0,fTracker->GetTracks());
 373
 374     //write tracks
 375     if(fWriteOut){
 376       sprintf(name,"tracks_tr_%d_%d.raw",slice,patch);
 377       memory->SetBinaryOutput(name);
 378       memory->Memory2Binary(ntracks0,trackdata0);
 379       memory->CloseBinaryOutput();
 380     }
 381
 382     fInterMerger->Reset();
 383     fInterMerger->SetTransformer(fTransformer);
 384     fInterMerger->Init(row[patch],patch);
 385
 386     fInterMerger->FillTracks(ntracks0,trackdata0);
 387     fBenchmark->Start("Inter Merger");
 388     fInterMerger->Merge();
 389 //    fInterMerger->SlowMerge();
 390
 391     fBenchmark->Stop("Inter Merger");
 392
 393     //write inter merged tracks
 394     if(fWriteOut){
 395       sprintf(name,"tracks_im_%d_%d.raw",slice,patch);
 396       WriteTracks(name,fInterMerger,'i'); //write output of intermerger
 397     }
 398     memory->Free();
 399
 400     UInt_t ntracks1 =0;
 401     AliL3TrackSegmentData *trackdata1 =
 402       (AliL3TrackSegmentData *) memory->Allocate(fInterMerger->GetInTracks(0));
 403     memory->TrackArray2Memory(ntracks1,trackdata1,fInterMerger->GetInTracks(0));
 404
 405     fTrackMerger->InitSector(slice,patch);
 406     fTrackMerger->FillTracks(ntracks1,trackdata1);
 407
 408     memory->Free();
 409   }
 410   fBenchmark->Start("Patch Merger");
 411 //  fTrackMerger->SlowMerge();
 412   fTrackMerger->Merge();
 413   fBenchmark->Stop("Patch Merger");
 414   //write merged tracks
 415   if(fWriteOut){
 416     sprintf(name,"tracks_tm_%d.raw",slice);
 417     WriteTracks(name,fTrackMerger,'o'); //write output of trackmerger
 418   }
 419
 420   fTrackData = (AliL3TrackSegmentData *)
 421                          fFileHandler->Allocate(fTrackMerger->GetOutTracks());
 422
 423   fFileHandler->TrackArray2Memory(fNTrackData,fTrackData,
 424                                                 fTrackMerger->GetOutTracks());
 425
 426   delete memory;
 427 }
 428
 429 void AliLevel3::WriteSpacePoints(UInt_t npoints,AliL3SpacePointData *points,
 430                                                       Int_t slice,Int_t patch){
 431   char name[256];
 432   sprintf(name,"points_%d_%d.raw",slice,patch);
 433   AliL3MemHandler * memory = new AliL3MemHandler();
 434   memory->SetBinaryOutput(name);
 435   memory->Transform(npoints,points,slice,fTransformer);
 436   memory->Memory2Binary(npoints,points);
 437   memory->CloseBinaryOutput();
 438   delete  memory;
 439 }
 440
 441
 442 Int_t AliLevel3::WriteTracks(char *filename,AliL3Merger *merger,char opt){
 443   AliL3MemHandler *memory = new AliL3MemHandler();
 444   memory->SetBinaryOutput(filename);
 445   if(opt=='a'||opt=='i'){  //add intracks
 446     for(Int_t i=0;i<merger->GetNIn();i++){
 447       AliL3TrackArray *tr=merger->GetInTracks(i);
 448       memory->TrackArray2Binary(tr);
 449     }
 450   }
 451
 452   if(opt=='o'||opt=='a'){
 453     AliL3TrackArray *tr=merger->GetOutTracks();
 454     memory->TrackArray2Binary(tr);
 455   }
 456
 457   memory->CloseBinaryOutput();
 458
 459   return 1;
 460 }
 461
 462 void AliLevel3::WriteResults()
 463 {
 464   //Write the resulting tracks to outputfile
 465   WriteTracks("tracks.raw",fGlobalMerger,'a');
 466 }