3 // Author: Uli Frankenfeld <mailto:franken@fi.uib.no>
4 //*-- Copyright © Uli
6 #include "AliL3StandardIncludes.h"
8 #include "AliL3Logging.h"
9 #include "AliL3Merger.h"
10 #include "AliL3Track.h"
11 #include "AliL3TrackSegmentData.h"
12 #include "AliL3Transform.h"
13 #include "AliL3TrackArray.h"
15 #ifdef use_root //use root ntuple for slow merge
21 /** \class AliL3Merger
23 //_____________________________________________________________
26 // The L3 merger base class
33 AliL3Merger::AliL3Merger()
42 AliL3Merger::~AliL3Merger()
48 void AliL3Merger::InitMerger(Int_t ntrackarrays,Char_t *tracktype)
50 //Used to setup all arrays
52 if(strcmp(tracktype,"AliL3Track")==0) fTrackType='t';
53 else if(strcmp(tracktype,"AliL3ConfMapTrack")==0) fTrackType='c';
54 else if(strcmp(tracktype,"AliL3HoughTrack")==0) fTrackType='h';
56 LOG(AliL3Log::kError,"AliL3Merger::AliL3Merger","Track types")
57 <<"Unknown tracktype"<<ENDLOG;
58 SetArray(ntrackarrays);
63 void AliL3Merger::DeleteArray()
65 for(Int_t i=0; i<fNIn;i++)
67 if(!fInTrack[i]) continue;
79 void AliL3Merger::SetArray(Int_t nin)
81 DeleteArray();//Make sure arrays are cleaned
84 fInTrack = new AliL3TrackArray*[fNIn];
85 for(Int_t i=0; i<fNIn;i++)
88 fInTrack[i] = new AliL3TrackArray("AliL3HoughTrack");
90 fInTrack[i] = new AliL3TrackArray("AliL3Track");
94 fOutTrack= new AliL3TrackArray("AliL3HoughTrack");
96 fOutTrack= new AliL3TrackArray("AliL3Track");
99 void AliL3Merger::Reset()
101 for(Int_t i=0; i<fNIn;i++)
103 fInTrack[i]->Reset();
108 void AliL3Merger::FillTracks(Int_t ntracks, AliL3TrackSegmentData* tr)
110 //Read tracks from shared memory (or memory)
112 AliL3TrackArray *destination = GetInTracks(fCurrentTracks);
114 destination->FillTracks(ntracks, tr, fSlice);
116 destination->FillTracks(ntracks, tr);
119 void AliL3Merger::AddAllTracks()
121 for(Int_t i=0; i<GetNIn();i++)
123 AliL3TrackArray *in = GetInTracks(i);
124 AliL3TrackArray *out = GetOutTracks();
129 void AliL3Merger::SortGlobalTracks(AliL3Track **tracks, Int_t ntrack)
131 AliL3Track **tmp = new AliL3Track*[ntrack];
132 for(Int_t i=0;i<ntrack;i++) tmp[i] = tracks[i];
133 Int_t *t = new Int_t[ntrack];
134 for(Int_t i=0;i<ntrack;i++) t[i]=-1;
136 for(Int_t j=0;j<ntrack;j++)
140 for(Int_t i=0;i<ntrack;i++)
142 if(!tracks[i]) continue;
143 Double_t rr=pow(tracks[i]->GetFirstPointX(),2)+pow(tracks[i]->GetFirstPointY(),2);
153 for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]];
159 void AliL3Merger::SortTracks(AliL3Track **tracks, Int_t ntrack)
161 AliL3Track **tmp = new AliL3Track*[ntrack];
162 for(Int_t i=0;i<ntrack;i++) tmp[i] = tracks[i];
163 Int_t *t = new Int_t[ntrack];
164 for(Int_t i=0;i<ntrack;i++) t[i]=-1;
166 for(Int_t j=0;j<ntrack;j++)
170 for(Int_t i=0;i<ntrack;i++)
172 if(!tracks[i]) continue;
173 if(tracks[i]->GetFirstPointX()<minx)
175 minx=tracks[i]->GetFirstPointX();
182 for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]];
187 void AliL3Merger::AddTrack(AliL3TrackArray *mergedtrack,AliL3Track *track)
191 MultiMerge(mergedtrack,t,1);
194 AliL3Track * AliL3Merger::MergeTracks(AliL3TrackArray *mergedtrack,AliL3Track *t0,AliL3Track *t1)
200 return MultiMerge(mergedtrack,t,2);
203 AliL3Track * AliL3Merger::MultiMerge(AliL3TrackArray *mergedtracks,AliL3Track **tracks, Int_t ntrack)
205 // merge the tracks!!
209 for(Int_t i=0;i<ntrack;i++)
211 nps+=tracks[i]->GetNHits();
213 if(nps>AliL3Transform::GetNRows())
215 LOG(AliL3Log::kWarning,"AliL3Merger::MultiMerge","Adding Points")
216 <<AliL3Log::kDec<<"Too many Points: "<<nps<<ENDLOG;
221 AliL3Track *newtrack = mergedtracks->NextTrack();
223 // UInt_t nn[AliL3Transform::GetNRows()];
224 UInt_t * nn = new UInt_t[AliL3Transform::GetNRows()];
227 // for(Int_t i=0;i<ntrack;i++){
228 for(Int_t i=ntrack-1;i>=0;i--)
230 memcpy(&nn[nps],tracks[i]->GetHitNumbers(),tracks[i]->GetNHits()*sizeof(UInt_t));
231 nps+=tracks[i]->GetNHits();
233 AliL3Track *tpf=tracks[0];
234 AliL3Track *tpl=tracks[ntrack-1];
235 AliL3Track *best = tpf;
236 if(tpf->GetNHits()<tpl->GetNHits() && Is2Global())
237 best = tpl;//Best means = most points and therefore best fit (in global case)
239 newtrack->SetNHits(nps);
240 newtrack->SetHits(nps,nn);
241 newtrack->SetFirstPoint(tpf->GetFirstPointX(),tpf->GetFirstPointY(),tpf->GetFirstPointZ());
242 newtrack->SetLastPoint(tpl->GetLastPointX(),tpl->GetLastPointY(),tpl->GetLastPointZ());
243 newtrack->SetPt(best->GetPt());
244 newtrack->SetPsi(best->GetPsi());
245 newtrack->SetTgl(best->GetTgl());
246 newtrack->SetCharge(tpf->GetCharge());
251 void* AliL3Merger::GetNtuple(char *varlist)
254 TNtuple* nt = new TNtuple("ntuple","ntuple",varlist);
261 void* AliL3Merger::GetNtuple()
264 TNtuple* nt = new TNtuple("ntuple","ntuple",
265 "dx:dy:dz:dk:dpsi:dtgl:dq:disx:disy:disz:dis:n0:n1:diff:drx:dry:drz");
272 Bool_t AliL3Merger::WriteNtuple(char *filename, void* nt)
275 TNtuple *ntuple=(TNtuple *) nt;
276 TFile *f = new TFile(filename,"RECREATE");
286 void AliL3Merger::FillNtuple(void *nt,AliL3Track *innertrack,AliL3Track *outertrack)
289 if(outertrack->IsPoint()&&innertrack->IsPoint())
291 data[0] =Float_t(innertrack->GetPointX()-outertrack->GetPointX());
292 data[1] =Float_t(innertrack->GetPointY()-outertrack->GetPointY());
293 data[2] =Float_t(innertrack->GetPointZ()-outertrack->GetPointZ());
294 data[3] =Float_t(innertrack->GetKappa()-outertrack->GetKappa());
295 Double_t psi= innertrack->GetPointPsi() - outertrack->GetPointPsi();
296 if(psi>AliL3Transform::Pi()) psi-=AliL3Transform::TwoPi();
297 else if(psi<-AliL3Transform::Pi()) psi+=AliL3Transform::TwoPi();
298 data[4] =Float_t(psi);
299 data[5] =Float_t(innertrack->GetTgl()-outertrack->GetTgl());
300 data[6] =Float_t(innertrack->GetCharge()-outertrack->GetCharge());
301 data[7] =Float_t(innertrack->GetLastPointX()-outertrack->GetFirstPointX());
302 data[8] =Float_t(innertrack->GetLastPointY()-outertrack->GetFirstPointY());
303 data[9] =Float_t(innertrack->GetLastPointZ()-outertrack->GetFirstPointZ());
304 data[10] =sqrt(pow(data[7],2)+pow(data[8],2)+pow(data[9],2));
305 data[11]= outertrack->GetNHits();
306 data[12]= innertrack->GetNHits();
307 data[13] = Float_t(TrackDiff(innertrack,outertrack));
312 TNtuple *ntuple = (TNtuple *) nt;
318 void AliL3Merger::FillNtuple(void *nt,Float_t *data)
321 TNtuple *ntuple = (TNtuple *) nt;
326 Double_t AliL3Merger::GetAngle(Double_t a1,Double_t a2)
328 Double_t da = a1 - a2 + 4*AliL3Transform::Pi();
329 da = fmod(da,AliL3Transform::TwoPi());
330 if(da>AliL3Transform::Pi()) da = AliL3Transform::TwoPi()-da;
334 void AliL3Merger::SetParameter(Double_t maxy, Double_t maxz, Double_t maxkappa, Double_t maxpsi, Double_t maxtgl)
338 fMaxKappa = maxkappa;
343 Bool_t AliL3Merger::IsTrack(AliL3Track *innertrack,AliL3Track *outertrack)
346 if(innertrack->GetCharge()!=outertrack->GetCharge()) return kFALSE;
347 if( (!innertrack->IsPoint()) || (!outertrack->IsPoint()) ) return kFALSE;
348 if(innertrack->GetNHits()+outertrack->GetNHits()>AliL3Transform::GetNRows()) return kFALSE;
350 if(fabs(innertrack->GetPointY()-outertrack->GetPointY()) >fMaxY) return kFALSE;
351 if(fabs(innertrack->GetPointZ()-outertrack->GetPointZ()) >fMaxZ) return kFALSE;
352 if(fabs(innertrack->GetKappa()-outertrack->GetKappa()) >fMaxKappa) return kFALSE;
353 if(GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi()) >fMaxPsi) return kFALSE;
354 if(fabs(innertrack->GetTgl()-outertrack->GetTgl()) >fMaxTgl) return kFALSE;
355 //if no rejection up to this point: merge!!
359 Bool_t AliL3Merger::IsRTrack(AliL3Track *innertrack,AliL3Track *outertrack)
361 return IsTrack(innertrack,outertrack);
364 Double_t AliL3Merger::TrackDiff(AliL3Track *innertrack,AliL3Track *outertrack)
367 Double_t x[4],y[4],z[4],dy[4],dz[4];
368 AliL3Track *tracks[2];
370 tracks[0] = innertrack;
371 tracks[1] = outertrack;
372 SortGlobalTracks(tracks,2);
373 innertrack = tracks[0];
374 outertrack = tracks[1];
376 x[0] = innertrack->GetFirstPointX();
377 x[1] = innertrack->GetLastPointX();
378 x[2] = outertrack->GetFirstPointX();
379 x[3] = outertrack->GetLastPointX();
381 y[0] = innertrack->GetFirstPointY();
382 y[1] = innertrack->GetLastPointY();
383 y[2] = outertrack->GetFirstPointY();
384 y[3] = outertrack->GetLastPointY();
386 z[0] = innertrack->GetFirstPointZ();
387 z[1] = innertrack->GetLastPointZ();
388 z[2] = outertrack->GetFirstPointZ();
389 z[3] = outertrack->GetLastPointZ();
392 outertrack->CalculatePoint(x[0]);
393 if(!outertrack->IsPoint()) return diff;
394 dy[0] = fabs(y[0] - outertrack->GetPointY());
395 dz[0] = fabs(z[0] - outertrack->GetPointZ());
397 outertrack->CalculatePoint(x[1]);
398 if(!outertrack->IsPoint()) return diff;
399 dy[1] = fabs(y[1] - outertrack->GetPointY());
400 dz[1] = fabs(z[1] - outertrack->GetPointZ());
402 innertrack->CalculatePoint(x[2]);
403 if(!innertrack->IsPoint()) return diff;
404 dy[2] = fabs(y[2] - innertrack->GetPointY());
405 dz[2] = fabs(z[2] - innertrack->GetPointZ());
407 innertrack->CalculatePoint(x[3]);
408 if(!innertrack->IsPoint()) return diff;
409 dy[3] = fabs(y[3] - innertrack->GetPointY());
410 dz[3] = fabs(z[3] - innertrack->GetPointZ());
413 for(Int_t i=0;i<4;i++)
414 diff+=sqrt(dy[i]*dy[i]+dz[i]*dz[i]);
418 void AliL3Merger::PrintDiff(AliL3Track *innertrack,AliL3Track *outertrack)
420 if(!innertrack->IsPoint()||!outertrack->IsPoint())
422 LOG(AliL3Log::kInformational,"AliL3Merger::PrintDiff","No Points")<<ENDLOG;
423 //cerr<<"AliL3Merger::PrintDiff: No Points"<<endl;
424 //cerr<<"---------------------------"<<endl;
428 Double_t dx = innertrack->GetPointX()-outertrack->GetPointX();
429 Double_t dy = innertrack->GetPointY()-outertrack->GetPointY();
430 Double_t dz = innertrack->GetPointZ()-outertrack->GetPointZ();
431 Double_t dk = innertrack->GetKappa()-outertrack->GetKappa();
432 Double_t dpsi= innertrack->GetPointPsi() - outertrack->GetPointPsi();
433 if(dpsi>AliL3Transform::Pi()) dpsi-=AliL3Transform::TwoPi();
434 else if(dpsi<-AliL3Transform::Pi())dpsi+=AliL3Transform::TwoPi();
435 //Double_t dpsi = GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi());
436 Double_t dtgl= innertrack->GetTgl()-outertrack->GetTgl();
437 Double_t dq =innertrack->GetCharge()-outertrack->GetCharge();
439 LOG(AliL3Log::kInformational,"AliL3Merger::PrintDiff","Points") <<"dx: "<<dx<<" dy: "<<dy<<" dz: "<<dz<<" dk: "<<dk<<" dpsi: "<<dpsi<<" dtgl: "<<dtgl<<" dq: "<<dq<<ENDLOG;
440 //fprintf(stderr,"dx: %4f dy: %4f dz: %4f dk: %4f dpsi: %4f dtgl: %4f dq: %4f\n",dx,dy,dz,dk,dpsi,dtgl,dq);
441 //cerr<<"---------------------------"<<endl;
445 void AliL3Merger::Print()
448 for(Int_t i=0; i<fNIn; i++)
450 AliL3TrackArray *ttt= GetInTracks(i);
451 for(Int_t j =0;j<ttt->GetNTracks();j++)
453 AliL3Track *track=ttt->GetCheckedTrack(j);
455 track->CalculateHelix();
456 // Double_t angle = atan2(track->GetLastPointY(),track->GetLastPointX());
457 // if(angle<0) angle+=AliL3Transform::Pi();
458 if(track->CalculatePoint(135))
459 // if(!track->CalculateEdgePoint(angle)) cerr<<"**************"<<endl;
460 // if(track->CalculatePoint(track->GetLastPointX()))
461 // if(track->CalculatePoint(0))
463 // PrintTrack(track);
464 // track->CalculateReferencePoint(AliL3Transform::Pi()/180.);
465 track->CalculateReferencePoint(0.001);
466 Float_t dx=(float)track->GetPointX()-track->GetPointX();
467 Float_t dy=(float)track->GetPointY()-track->GetPointY();
468 Float_t dz=(float)track->GetPointZ()-track->GetPointZ();
469 LOG(AliL3Log::kInformational,"AliL3Merger::Print","RefPoint") <<"npt: "<<track->GetNHits()<<" dx: "<<dx<<" dy: "<<dy<<" dz: "<<dz<<ENDLOG;
471 //fprintf(stderr,"npt: %3d dx: %8.5f dy: %8.5f dz: %8.5f\n",track->GetNHits(),dx,dy,dz);
472 //cerr<<"---------------------------"<<endl;
478 void AliL3Merger::PrintTrack(AliL3Track *track)
480 fprintf(stderr,"npt: %3d pt: %.2f psi: %.2f tgl: %5.2f q: %2d\n",
481 track->GetNHits(),track->GetPt(),track->GetPsi(),
482 track->GetTgl(),track->GetCharge());
484 "x1: %6.2f y1: %6.2f z1: %6.2f xl: %6.2f yl: %6.2f zl: %6.2f\n",
485 track->GetFirstPointX(),track->GetFirstPointY(),track->GetFirstPointZ(),
486 track->GetLastPointX(),track->GetLastPointY(),track->GetLastPointZ());
490 "R: %.2f Xc: %.2f Yc: %.2f Xp: %.2f Yp: %.2f Zp: %.2f Psip: %.2f\n",
491 track->GetRadius(),track->GetCenterX(),track->GetCenterY(),
492 track->GetPointX(),track->GetPointY(),track->GetPointZ(),
493 track->GetPointPsi());