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 //_____________________________________________________________
24 // The L3 merger base class
29 AliL3Merger::AliL3Merger(){
35 AliL3Merger::AliL3Merger(Int_t ntrackarrays,Char_t *tracktype){
38 if(strcmp(tracktype,"AliL3Track")==0) fTrackType='t';
39 else if(strcmp(tracktype,"AliL3ConfMapTrack")==0) fTrackType='c';
40 else if(strcmp(tracktype,"AliL3HoughTrack")==0) fTrackType='h';
42 LOG(AliL3Log::kError,"AliL3Merger::AliL3Merger","Track types")
43 <<"Unknown tracktype"<<ENDLOG;
44 SetArray(ntrackarrays);
49 AliL3Merger::~AliL3Merger(){
54 void AliL3Merger::DeleteArray(){
55 for(Int_t i=0; i<fNIn;i++)
57 delete[] (Byte_t*) fInTrack;
61 void AliL3Merger::SetArray(Int_t nin){
63 fInTrack = (AliL3TrackArray **) new Byte_t[fNIn*sizeof(AliL3TrackArray *)];
64 for(Int_t i=0; i<fNIn;i++){
66 fInTrack[i] = new AliL3TrackArray("AliL3HoughTrack");
68 fInTrack[i] = new AliL3TrackArray("AliL3Track");
72 fOutTrack= new AliL3TrackArray("AliL3HoughTrack");
74 fOutTrack= new AliL3TrackArray("AliL3Track");
77 void AliL3Merger::Reset(){
78 for(Int_t i=0; i<fNIn;i++){
84 void AliL3Merger::FillTracks(Int_t ntracks, AliL3TrackSegmentData* tr){
85 //Read tracks from shared memory (or memory)
86 AliL3TrackArray *destination = GetInTracks(fCurrentTracks);
88 destination->FillTracks(ntracks, tr, fSlice);
89 //destination->FillTracks(ntracks, tr, fSlice, fTransformer);
91 destination->FillTracks(ntracks, tr);
94 void AliL3Merger::AddAllTracks(){
95 for(Int_t i=0; i<GetNIn();i++){
96 AliL3TrackArray *in = GetInTracks(i);
97 AliL3TrackArray *out = GetOutTracks();
102 void AliL3Merger::SortGlobalTracks(AliL3Track **tracks, Int_t ntrack){
103 AliL3Track **tmp = new AliL3Track*[ntrack];
104 for(Int_t i=0;i<ntrack;i++) tmp[i] = tracks[i];
105 Int_t *t = new Int_t[ntrack];
106 for(Int_t i=0;i<ntrack;i++) t[i]=-1;
108 for(Int_t j=0;j<ntrack;j++){
111 for(Int_t i=0;i<ntrack;i++){
112 if(!tracks[i]) continue;
113 Double_t rr=pow(tracks[i]->GetFirstPointX(),2)+pow(tracks[i]->GetFirstPointY(),2);
123 for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]];
129 void AliL3Merger::SortTracks(AliL3Track **tracks, Int_t ntrack){
130 AliL3Track **tmp = new AliL3Track*[ntrack];
131 for(Int_t i=0;i<ntrack;i++) tmp[i] = tracks[i];
132 Int_t *t = new Int_t[ntrack];
133 for(Int_t i=0;i<ntrack;i++) t[i]=-1;
135 for(Int_t j=0;j<ntrack;j++){
138 for(Int_t i=0;i<ntrack;i++){
139 if(!tracks[i]) continue;
140 if(tracks[i]->GetFirstPointX()<minx){
141 minx=tracks[i]->GetFirstPointX();
148 for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]];
153 void AliL3Merger::AddTrack(AliL3TrackArray *mergedtrack,AliL3Track *track){
156 MultiMerge(mergedtrack,t,1);
159 AliL3Track * AliL3Merger::MergeTracks(AliL3TrackArray *mergedtrack,AliL3Track *t0,AliL3Track *t1){
164 return MultiMerge(mergedtrack,t,2);
167 AliL3Track * AliL3Merger::MultiMerge(AliL3TrackArray *mergedtracks,AliL3Track **tracks, Int_t ntrack){
168 // merge the tracks!!
172 for(Int_t i=0;i<ntrack;i++){
173 nps+=tracks[i]->GetNHits();
175 if(nps>AliL3Transform::GetNRows()){
176 LOG(AliL3Log::kWarning,"AliL3Merger::MultiMerge","Adding Points")
177 <<AliL3Log::kDec<<"Too many Points: "<<nps<<ENDLOG;
182 AliL3Track *newtrack = mergedtracks->NextTrack();
184 UInt_t nn[AliL3Transform::GetNRows()];
187 // for(Int_t i=0;i<ntrack;i++){
188 for(Int_t i=ntrack-1;i>=0;i--){
189 memcpy(&nn[nps],tracks[i]->GetHitNumbers(),tracks[i]->GetNHits()*sizeof(UInt_t));
190 nps+=tracks[i]->GetNHits();
192 AliL3Track *tpf=tracks[0];
193 AliL3Track *tpl=tracks[ntrack-1];
194 AliL3Track *best = tpf;
195 if(tpf->GetNHits()<tpl->GetNHits() && Is2Global())
196 best = tpl;//Best means = most points and therefore best fit (in global case)
198 newtrack->SetNHits(nps);
199 newtrack->SetHits(nps,nn);
200 newtrack->SetFirstPoint(tpf->GetFirstPointX(),tpf->GetFirstPointY(),tpf->GetFirstPointZ());
201 newtrack->SetLastPoint(tpl->GetLastPointX(),tpl->GetLastPointY(),tpl->GetLastPointZ());
202 newtrack->SetPt(best->GetPt());
203 newtrack->SetPsi(best->GetPsi());
204 newtrack->SetTgl(best->GetTgl());
205 newtrack->SetCharge(tpf->GetCharge());
209 void* AliL3Merger::GetNtuple(char *varlist){
211 TNtuple* nt = new TNtuple("ntuple","ntuple",varlist);
218 void* AliL3Merger::GetNtuple(){
220 TNtuple* nt = new TNtuple("ntuple","ntuple",
221 "dx:dy:dz:dk:dpsi:dtgl:dq:disx:disy:disz:dis:n0:n1:diff:drx:dry:drz");
228 Bool_t AliL3Merger::WriteNtuple(char *filename, void* nt){
230 TNtuple *ntuple=(TNtuple *) nt;
231 TFile *f = new TFile(filename,"RECREATE");
241 void AliL3Merger::FillNtuple(void *nt,AliL3Track *innertrack,AliL3Track *outertrack){
243 if(outertrack->IsPoint()&&innertrack->IsPoint()){
244 data[0] =Float_t(innertrack->GetPointX()-outertrack->GetPointX());
245 data[1] =Float_t(innertrack->GetPointY()-outertrack->GetPointY());
246 data[2] =Float_t(innertrack->GetPointZ()-outertrack->GetPointZ());
247 data[3] =Float_t(innertrack->GetKappa()-outertrack->GetKappa());
248 Double_t psi= innertrack->GetPointPsi() - outertrack->GetPointPsi();
249 if(psi>PI) psi-=2*PI;
250 if(psi<-PI)psi+=2*PI;
251 data[4] =Float_t(psi);
252 data[5] =Float_t(innertrack->GetTgl()-outertrack->GetTgl());
253 data[6] =Float_t(innertrack->GetCharge()-outertrack->GetCharge());
254 data[7] =Float_t(innertrack->GetLastPointX()-outertrack->GetFirstPointX());
255 data[8] =Float_t(innertrack->GetLastPointY()-outertrack->GetFirstPointY());
256 data[9] =Float_t(innertrack->GetLastPointZ()-outertrack->GetFirstPointZ());
257 data[10] =sqrt(pow(data[7],2)+pow(data[8],2)+pow(data[9],2));
258 data[11]= outertrack->GetNHits();
259 data[12]= innertrack->GetNHits();
260 data[13] = Float_t(TrackDiff(innertrack,outertrack));
265 TNtuple *ntuple = (TNtuple *) nt;
271 void AliL3Merger::FillNtuple(void *nt,Float_t *data){
273 TNtuple *ntuple = (TNtuple *) nt;
278 Double_t AliL3Merger::GetAngle(Double_t a1,Double_t a2){
279 Double_t da = a1 - a2 +4*PI;
281 if(da>PI) da = 2*PI -da;
285 void AliL3Merger::SetParameter(Double_t maxy, Double_t maxz, Double_t maxkappa, Double_t maxpsi, Double_t maxtgl){
288 fMaxKappa = maxkappa;
293 Bool_t AliL3Merger::IsTrack(AliL3Track *innertrack,AliL3Track *outertrack){
295 if(innertrack->GetCharge()!=outertrack->GetCharge()) return kFALSE;
296 if( (!innertrack->IsPoint()) || (!outertrack->IsPoint()) ) return kFALSE;
297 if(innertrack->GetNHits()+outertrack->GetNHits()>AliL3Transform::GetNRows()) return kFALSE;
299 if(fabs(innertrack->GetPointY()-outertrack->GetPointY()) >fMaxY) return kFALSE;
300 if(fabs(innertrack->GetPointZ()-outertrack->GetPointZ()) >fMaxZ) return kFALSE;
301 if(fabs(innertrack->GetKappa()-outertrack->GetKappa()) >fMaxKappa) return kFALSE;
302 if(GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi()) >fMaxPsi) return kFALSE;
303 if(fabs(innertrack->GetTgl()-outertrack->GetTgl()) >fMaxTgl) return kFALSE;
304 //if no rejection up to this point: merge!!
308 Bool_t AliL3Merger::IsRTrack(AliL3Track *innertrack,AliL3Track *outertrack){
309 return IsTrack(innertrack,outertrack);
312 Double_t AliL3Merger::TrackDiff(AliL3Track *innertrack,AliL3Track *outertrack){
314 Double_t x[4],y[4],z[4],dy[4],dz[4];
315 AliL3Track *tracks[2];
317 tracks[0] = innertrack;
318 tracks[1] = outertrack;
319 SortGlobalTracks(tracks,2);
320 innertrack = tracks[0];
321 outertrack = tracks[1];
323 x[0] = innertrack->GetFirstPointX();
324 x[1] = innertrack->GetLastPointX();
325 x[2] = outertrack->GetFirstPointX();
326 x[3] = outertrack->GetLastPointX();
328 y[0] = innertrack->GetFirstPointY();
329 y[1] = innertrack->GetLastPointY();
330 y[2] = outertrack->GetFirstPointY();
331 y[3] = outertrack->GetLastPointY();
333 z[0] = innertrack->GetFirstPointZ();
334 z[1] = innertrack->GetLastPointZ();
335 z[2] = outertrack->GetFirstPointZ();
336 z[3] = outertrack->GetLastPointZ();
339 outertrack->CalculatePoint(x[0]);
340 if(!outertrack->IsPoint()) return diff;
341 dy[0] = fabs(y[0] - outertrack->GetPointY());
342 dz[0] = fabs(z[0] - outertrack->GetPointZ());
344 outertrack->CalculatePoint(x[1]);
345 if(!outertrack->IsPoint()) return diff;
346 dy[1] = fabs(y[1] - outertrack->GetPointY());
347 dz[1] = fabs(z[1] - outertrack->GetPointZ());
349 innertrack->CalculatePoint(x[2]);
350 if(!innertrack->IsPoint()) return diff;
351 dy[2] = fabs(y[2] - innertrack->GetPointY());
352 dz[2] = fabs(z[2] - innertrack->GetPointZ());
354 innertrack->CalculatePoint(x[3]);
355 if(!innertrack->IsPoint()) return diff;
356 dy[3] = fabs(y[3] - innertrack->GetPointY());
357 dz[3] = fabs(z[3] - innertrack->GetPointZ());
360 for(Int_t i=0;i<4;i++)
361 diff+=sqrt(dy[i]*dy[i]+dz[i]*dz[i]);
365 void AliL3Merger::PrintDiff(AliL3Track *innertrack,AliL3Track *outertrack)
367 if(!innertrack->IsPoint()||!outertrack->IsPoint()){
368 LOG(AliL3Log::kInformational,"AliL3Merger::PrintDiff","No Points")<<ENDLOG;
369 //cerr<<"AliL3Merger::PrintDiff: No Points"<<endl;
370 //cerr<<"---------------------------"<<endl;
374 Double_t dx = innertrack->GetPointX()-outertrack->GetPointX();
375 Double_t dy = innertrack->GetPointY()-outertrack->GetPointY();
376 Double_t dz = innertrack->GetPointZ()-outertrack->GetPointZ();
377 Double_t dk = innertrack->GetKappa()-outertrack->GetKappa();
378 Double_t dpsi= innertrack->GetPointPsi() - outertrack->GetPointPsi();
379 if(dpsi>PI) dpsi-=2*PI;
380 if(dpsi<-PI)dpsi+=2*PI;
381 //Double_t dpsi = GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi());
382 Double_t dtgl= innertrack->GetTgl()-outertrack->GetTgl();
383 Double_t dq =innertrack->GetCharge()-outertrack->GetCharge();
385 LOG(AliL3Log::kInformational,"AliL3Merger::PrintDiff","Points") <<"dx: "<<dx<<" dy: "<<dy<<" dz: "<<dz<<" dk: "<<dk<<" dpsi: "<<dpsi<<" dtgl: "<<dtgl<<" dq: "<<dq<<ENDLOG;
386 //fprintf(stderr,"dx: %4f dy: %4f dz: %4f dk: %4f dpsi: %4f dtgl: %4f dq: %4f\n",dx,dy,dz,dk,dpsi,dtgl,dq);
387 //cerr<<"---------------------------"<<endl;
391 void AliL3Merger::Print(){
393 for(Int_t i=0; i<fNIn; i++){
394 AliL3TrackArray *ttt= GetInTracks(i);
395 for(Int_t j =0;j<ttt->GetNTracks();j++){
396 AliL3Track *track=ttt->GetCheckedTrack(j);
398 track->CalculateHelix();
399 // Double_t angle = atan2(track->GetLastPointY(),track->GetLastPointX());
400 // if(angle<0) angle+=PI;
401 if(track->CalculatePoint(135))
402 // if(!track->CalculateEdgePoint(angle)) cerr<<"**************"<<endl;
403 // if(track->CalculatePoint(track->GetLastPointX()))
404 // if(track->CalculatePoint(0))
406 // PrintTrack(track);
407 // track->CalculateReferencePoint(PI/180.);
408 track->CalculateReferencePoint(0.001);
409 Float_t dx=(float)track->GetPointX()-track->GetPointX();
410 Float_t dy=(float)track->GetPointY()-track->GetPointY();
411 Float_t dz=(float)track->GetPointZ()-track->GetPointZ();
412 LOG(AliL3Log::kInformational,"AliL3Merger::Print","RefPoint") <<"npt: "<<track->GetNHits()<<" dx: "<<dx<<" dy: "<<dy<<" dz: "<<dz<<ENDLOG;
414 //fprintf(stderr,"npt: %3d dx: %8.5f dy: %8.5f dz: %8.5f\n",track->GetNHits(),dx,dy,dz);
415 //cerr<<"---------------------------"<<endl;
421 void AliL3Merger::PrintTrack(AliL3Track *track){
422 fprintf(stderr,"npt: %3d pt: %.2f psi: %.2f tgl: %5.2f q: %2d\n",
423 track->GetNHits(),track->GetPt(),track->GetPsi(),
424 track->GetTgl(),track->GetCharge());
426 "x1: %6.2f y1: %6.2f z1: %6.2f xl: %6.2f yl: %6.2f zl: %6.2f\n",
427 track->GetFirstPointX(),track->GetFirstPointY(),track->GetFirstPointZ(),
428 track->GetLastPointX(),track->GetLastPointY(),track->GetLastPointZ());
429 if(track->IsPoint()){
431 "R: %.2f Xc: %.2f Yc: %.2f Xp: %.2f Yp: %.2f Zp: %.2f Psip: %.2f\n",
432 track->GetRadius(),track->GetCenterX(),track->GetCenterY(),
433 track->GetPointX(),track->GetPointY(),track->GetPointZ(),
434 track->GetPointPsi());