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Commit | Line | Data |
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4603aa2f | 1 | //$Id$ |
2 | ||
b661165c | 3 | // Author: Uli Frankenfeld <mailto:franken@fi.uib.no> |
4 | //*-- Copyright © Uli | |
108615fc | 5 | |
6 | #include "AliL3Logging.h" | |
7 | #include <math.h> | |
8 | #include <iostream.h> | |
9 | #include "AliL3Merger.h" | |
10 | #include "AliL3Track.h" | |
11 | #include "AliL3TrackSegmentData.h" | |
12 | #include "AliL3Transform.h" | |
13 | #include "AliL3TrackArray.h" | |
14 | ||
15 | #ifdef use_root //use root ntuple for slow merge | |
16 | #include <TNtuple.h> | |
17 | #include <TTree.h> | |
18 | #include <TFile.h> | |
19 | #endif | |
b661165c | 20 | |
108615fc | 21 | //_____________________________________________________________ |
b661165c | 22 | // AliL3Merger |
108615fc | 23 | // |
24 | // The L3 merger base class | |
25 | // | |
26 | ||
27 | ClassImp(AliL3Merger) | |
28 | ||
29 | AliL3Merger::AliL3Merger(){ | |
30 | //Default constructor | |
31 | fTransformer= 0; | |
32 | SetArray(0); | |
33 | } | |
34 | ||
35 | ||
5dcd65ea | 36 | AliL3Merger::AliL3Merger(Int_t ntrackarrays,Char_t *tracktype){ |
108615fc | 37 | //Constructor. |
5dcd65ea | 38 | |
39 | if(strcmp(tracktype,"AliL3Track")==0) fTrackType='t'; | |
40 | else if(strcmp(tracktype,"AliL3ConfMapTrack")==0) fTrackType='c'; | |
41 | else if(strcmp(tracktype,"AliL3HoughTrack")==0) fTrackType='h'; | |
42 | else | |
43 | LOG(AliL3Log::kError,"AliL3Merger::AliL3Merger","Track types") | |
44 | <<"Unknown tracktype"<<ENDLOG; | |
108615fc | 45 | SetArray(ntrackarrays); |
46 | fCurrentTracks=0; | |
5dcd65ea | 47 | |
108615fc | 48 | } |
49 | ||
50 | AliL3Merger::~AliL3Merger(){ | |
51 | //Destructor | |
52 | DeleteArray(); | |
53 | } | |
54 | ||
55 | void AliL3Merger::DeleteArray(){ | |
56 | for(Int_t i=0; i<fNIn;i++) | |
57 | delete fInTrack[i]; | |
58 | delete[] (Byte_t*) fInTrack; | |
59 | delete fOutTrack; | |
60 | } | |
61 | ||
62 | void AliL3Merger::SetArray(Int_t nin){ | |
63 | fNIn = nin; | |
64 | fInTrack = (AliL3TrackArray **) new Byte_t[fNIn*sizeof(AliL3TrackArray *)]; | |
65 | for(Int_t i=0; i<fNIn;i++){ | |
5dcd65ea | 66 | if(fTrackType=='h') |
67 | fInTrack[i] = new AliL3TrackArray("AliL3HoughTrack"); | |
68 | else | |
69 | fInTrack[i] = new AliL3TrackArray("AliL3Track"); | |
70 | ||
108615fc | 71 | } |
5dcd65ea | 72 | if(fTrackType=='h') |
73 | fOutTrack= new AliL3TrackArray("AliL3HoughTrack"); | |
74 | else | |
75 | fOutTrack= new AliL3TrackArray("AliL3Track"); | |
108615fc | 76 | } |
77 | ||
78 | void AliL3Merger::Reset(){ | |
79 | for(Int_t i=0; i<fNIn;i++){ | |
80 | fInTrack[i]->Reset(); | |
81 | } | |
82 | fOutTrack->Reset(); | |
83 | } | |
84 | ||
85 | void AliL3Merger::FillTracks(Int_t ntracks, AliL3TrackSegmentData* tr){ | |
86 | //Read tracks from shared memory (or memory) | |
87 | AliL3TrackArray *destination = GetInTracks(fCurrentTracks); | |
88 | if(Is2Global()) | |
89 | destination->FillTracks(ntracks, tr, fSlice, fTransformer); | |
90 | else | |
91 | destination->FillTracks(ntracks, tr); | |
92 | } | |
93 | ||
94 | void AliL3Merger::AddAllTracks(){ | |
95 | for(Int_t i=0; i<GetNIn();i++){ | |
96 | AliL3TrackArray *in = GetInTracks(i); | |
97 | AliL3TrackArray *out = GetOutTracks(); | |
98 | out->AddTracks(in); | |
99 | } | |
100 | } | |
101 | ||
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; | |
107 | ||
108 | for(Int_t j=0;j<ntrack;j++){ | |
109 | Double_t minr=300; | |
110 | Int_t mini=0; | |
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); | |
114 | Double_t r=sqrt(rr); | |
115 | if(r<minr){ | |
116 | minr=r; | |
117 | mini=i; | |
118 | } | |
119 | } | |
120 | t[j]=mini; | |
121 | tracks[mini]=0; | |
122 | } | |
123 | for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]]; | |
124 | delete[] t; | |
125 | delete[] tmp; | |
126 | } | |
127 | ||
128 | ||
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; | |
134 | ||
135 | for(Int_t j=0;j<ntrack;j++){ | |
136 | Double_t minx=300; | |
137 | Int_t mini=0; | |
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(); | |
142 | mini=i; | |
143 | } | |
144 | } | |
145 | t[j]=mini; | |
146 | tracks[mini]=0; | |
147 | } | |
148 | for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]]; | |
149 | delete[] t; | |
150 | delete[] tmp; | |
151 | } | |
152 | ||
153 | void AliL3Merger::AddTrack(AliL3TrackArray *mergedtrack,AliL3Track *track){ | |
154 | AliL3Track *t[1]; | |
155 | t[0] = track; | |
156 | MultiMerge(mergedtrack,t,1); | |
157 | } | |
158 | ||
159 | AliL3Track * AliL3Merger::MergeTracks(AliL3TrackArray *mergedtrack,AliL3Track *t0,AliL3Track *t1){ | |
160 | AliL3Track *t[2]; | |
161 | t[0] = t0; | |
162 | t[1] = t1; | |
163 | SortTracks(t,2); | |
164 | return MultiMerge(mergedtrack,t,2); | |
165 | } | |
166 | ||
167 | AliL3Track * AliL3Merger::MultiMerge(AliL3TrackArray *mergedtracks,AliL3Track **tracks, Int_t ntrack){ | |
168 | // merge the tracks!! | |
169 | ||
170 | //check npoints | |
171 | Int_t nps = 0; | |
172 | for(Int_t i=0;i<ntrack;i++){ | |
173 | nps+=tracks[i]->GetNHits(); | |
174 | } | |
ae97a0b9 | 175 | if(nps>176){ |
108615fc | 176 | LOG(AliL3Log::kWarning,"AliL3Merger::MultiMerge","Adding Points") |
177 | <<AliL3Log::kDec<<"Too many Points: "<<nps<<ENDLOG; | |
178 | return 0; | |
179 | } | |
180 | ||
181 | //create new track | |
182 | AliL3Track *newtrack = mergedtracks->NextTrack(); | |
183 | //copy points | |
ae97a0b9 | 184 | UInt_t nn[176]; |
108615fc | 185 | nps = 0; |
186 | ||
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(); | |
191 | } | |
192 | AliL3Track *tpf=tracks[0]; | |
193 | AliL3Track *tpl=tracks[ntrack-1]; | |
4603aa2f | 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) | |
197 | ||
108615fc | 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()); | |
4603aa2f | 202 | newtrack->SetPt(best->GetPt()); |
203 | newtrack->SetPsi(best->GetPsi()); | |
204 | newtrack->SetTgl(best->GetTgl()); | |
108615fc | 205 | newtrack->SetCharge(tpf->GetCharge()); |
206 | return newtrack; | |
207 | } | |
208 | ||
209 | void* AliL3Merger::GetNtuple(char *varlist){ | |
210 | #ifdef use_root | |
211 | TNtuple* nt = new TNtuple("ntuple","ntuple",varlist); | |
212 | return (void*) nt; | |
213 | #else | |
214 | return 0; | |
215 | #endif | |
216 | } | |
217 | ||
218 | void* AliL3Merger::GetNtuple(){ | |
219 | #ifdef use_root | |
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"); | |
222 | return (void*) nt; | |
223 | #else | |
224 | return 0; | |
225 | #endif | |
226 | } | |
227 | ||
228 | Bool_t AliL3Merger::WriteNtuple(char *filename, void* nt){ | |
229 | #ifdef use_root | |
230 | TNtuple *ntuple=(TNtuple *) nt; | |
231 | TFile *f = new TFile(filename,"RECREATE"); | |
232 | ntuple->Write(); | |
233 | f->Close(); | |
234 | delete ntuple; | |
235 | return kTRUE; | |
236 | #else | |
237 | return kFALSE; | |
238 | #endif | |
239 | } | |
240 | ||
241 | void AliL3Merger::FillNtuple(void *nt,AliL3Track *innertrack,AliL3Track *outertrack){ | |
242 | Float_t data[17]; | |
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)); | |
261 | #ifdef use_root | |
262 | TNtuple *ntuple = (TNtuple *) nt; | |
263 | ntuple->Fill(data); | |
264 | #endif | |
265 | } | |
266 | } | |
267 | ||
268 | void AliL3Merger::FillNtuple(void *nt,Float_t *data){ | |
269 | #ifdef use_root | |
270 | TNtuple *ntuple = (TNtuple *) nt; | |
271 | ntuple->Fill(data); | |
272 | #endif | |
273 | } | |
274 | ||
275 | Double_t AliL3Merger::GetAngle(Double_t a1,Double_t a2){ | |
276 | Double_t da = a1 - a2 +4*PI; | |
277 | da = fmod(da,2*PI); | |
278 | if(da>PI) da = 2*PI -da; | |
279 | return da; | |
280 | } | |
281 | ||
282 | void AliL3Merger::SetParameter(Double_t maxy, Double_t maxz, Double_t maxkappa, Double_t maxpsi, Double_t maxtgl){ | |
283 | fMaxY = maxy; | |
284 | fMaxZ = maxz; | |
285 | fMaxKappa = maxkappa; | |
286 | fMaxPsi = maxpsi; | |
287 | fMaxTgl = maxtgl; | |
288 | } | |
289 | ||
290 | Bool_t AliL3Merger::IsTrack(AliL3Track *innertrack,AliL3Track *outertrack){ | |
291 | ||
292 | if(innertrack->GetCharge()!=outertrack->GetCharge()) return kFALSE; | |
293 | if( (!innertrack->IsPoint()) || (!outertrack->IsPoint()) ) return kFALSE; | |
ae97a0b9 | 294 | if(innertrack->GetNHits()+outertrack->GetNHits()>176) return kFALSE; |
108615fc | 295 | |
296 | if(fabs(innertrack->GetPointY()-outertrack->GetPointY()) >fMaxY) return kFALSE; | |
297 | if(fabs(innertrack->GetPointZ()-outertrack->GetPointZ()) >fMaxZ) return kFALSE; | |
298 | if(fabs(innertrack->GetKappa()-outertrack->GetKappa()) >fMaxKappa) return kFALSE; | |
299 | if(GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi()) >fMaxPsi) return kFALSE; | |
300 | if(fabs(innertrack->GetTgl()-outertrack->GetTgl()) >fMaxTgl) return kFALSE; | |
301 | //if no rejection up to this point: merge!! | |
302 | return kTRUE; | |
303 | } | |
304 | ||
305 | Bool_t AliL3Merger::IsRTrack(AliL3Track *innertrack,AliL3Track *outertrack){ | |
306 | return IsTrack(innertrack,outertrack); | |
307 | } | |
308 | ||
309 | Double_t AliL3Merger::TrackDiff(AliL3Track *innertrack,AliL3Track *outertrack){ | |
310 | Double_t diff =-1; | |
311 | Double_t x[4],y[4],z[4],dy[4],dz[4]; | |
312 | AliL3Track *tracks[2]; | |
313 | ||
314 | tracks[0] = innertrack; | |
315 | tracks[1] = outertrack; | |
316 | SortGlobalTracks(tracks,2); | |
317 | innertrack = tracks[0]; | |
318 | outertrack = tracks[1]; | |
4603aa2f | 319 | |
108615fc | 320 | x[0] = innertrack->GetFirstPointX(); |
321 | x[1] = innertrack->GetLastPointX(); | |
322 | x[2] = outertrack->GetFirstPointX(); | |
323 | x[3] = outertrack->GetLastPointX(); | |
324 | ||
325 | y[0] = innertrack->GetFirstPointY(); | |
326 | y[1] = innertrack->GetLastPointY(); | |
327 | y[2] = outertrack->GetFirstPointY(); | |
328 | y[3] = outertrack->GetLastPointY(); | |
329 | ||
330 | z[0] = innertrack->GetFirstPointZ(); | |
331 | z[1] = innertrack->GetLastPointZ(); | |
332 | z[2] = outertrack->GetFirstPointZ(); | |
333 | z[3] = outertrack->GetLastPointZ(); | |
334 | ||
4603aa2f | 335 | |
108615fc | 336 | outertrack->CalculatePoint(x[0]); |
337 | if(!outertrack->IsPoint()) return diff; | |
338 | dy[0] = fabs(y[0] - outertrack->GetPointY()); | |
339 | dz[0] = fabs(z[0] - outertrack->GetPointZ()); | |
4603aa2f | 340 | |
108615fc | 341 | outertrack->CalculatePoint(x[1]); |
342 | if(!outertrack->IsPoint()) return diff; | |
343 | dy[1] = fabs(y[1] - outertrack->GetPointY()); | |
344 | dz[1] = fabs(z[1] - outertrack->GetPointZ()); | |
4603aa2f | 345 | |
108615fc | 346 | innertrack->CalculatePoint(x[2]); |
347 | if(!innertrack->IsPoint()) return diff; | |
348 | dy[2] = fabs(y[2] - innertrack->GetPointY()); | |
349 | dz[2] = fabs(z[2] - innertrack->GetPointZ()); | |
4603aa2f | 350 | |
108615fc | 351 | innertrack->CalculatePoint(x[3]); |
352 | if(!innertrack->IsPoint()) return diff; | |
353 | dy[3] = fabs(y[3] - innertrack->GetPointY()); | |
354 | dz[3] = fabs(z[3] - innertrack->GetPointZ()); | |
355 | ||
356 | diff=0; | |
357 | for(Int_t i=0;i<4;i++) | |
358 | diff+=sqrt(dy[i]*dy[i]+dz[i]*dz[i]); | |
359 | return diff; | |
360 | } | |
361 | ||
362 | ||
363 | ||
364 | void AliL3Merger::PrintDiff(AliL3Track *innertrack,AliL3Track *outertrack){ | |
365 | if(!innertrack->IsPoint()||!outertrack->IsPoint()){ | |
366 | cerr<<"AliL3Merger::PrintDiff: No Points"<<endl; | |
367 | cerr<<"---------------------------"<<endl; | |
368 | return; | |
369 | } | |
370 | Double_t dx = innertrack->GetPointX()-outertrack->GetPointX(); | |
371 | Double_t dy = innertrack->GetPointY()-outertrack->GetPointY(); | |
372 | Double_t dz = innertrack->GetPointZ()-outertrack->GetPointZ(); | |
373 | Double_t dk = innertrack->GetKappa()-outertrack->GetKappa(); | |
374 | Double_t dpsi= innertrack->GetPointPsi() - outertrack->GetPointPsi(); | |
375 | if(dpsi>PI) dpsi-=2*PI; | |
376 | if(dpsi<-PI)dpsi+=2*PI; | |
377 | // Double_t dpsi = GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi()); | |
378 | Double_t dtgl= innertrack->GetTgl()-outertrack->GetTgl(); | |
379 | Double_t dq =innertrack->GetCharge()-outertrack->GetCharge(); | |
380 | ||
381 | fprintf(stderr,"dx: %4f dy: %4f dz: %4f dk: %4f dpsi: %4f dtgl: %4f dq: %4f\n", | |
382 | dx,dy,dz,dk,dpsi,dtgl,dq); | |
383 | cerr<<"---------------------------"<<endl; | |
384 | // cerr<<endl; | |
385 | ||
386 | } | |
387 | ||
388 | void AliL3Merger::Print(){ | |
389 | // print some infos | |
390 | for(Int_t i=0; i<fNIn; i++){ | |
391 | AliL3TrackArray *ttt= GetInTracks(i); | |
392 | for(Int_t j =0;j<ttt->GetNTracks();j++){ | |
393 | AliL3Track *track=ttt->GetCheckedTrack(j); | |
394 | if(!track) continue; | |
395 | track->CalculateHelix(); | |
396 | // Double_t angle = atan2(track->GetLastPointY(),track->GetLastPointX()); | |
397 | // if(angle<0) angle+=PI; | |
398 | if(track->CalculatePoint(135)) | |
399 | // if(!track->CalculateEdgePoint(angle)) cerr<<"**************"<<endl; | |
400 | // if(track->CalculatePoint(track->GetLastPointX())) | |
401 | // if(track->CalculatePoint(0)) | |
402 | { | |
403 | // PrintTrack(track); | |
404 | // track->CalculateReferencePoint(PI/180.); | |
405 | track->CalculateReferencePoint(0.001); | |
406 | fprintf(stderr,"npt: %3d dx: %8.5f dy: %8.5f dz: %8.5f\n", | |
407 | track->GetNHits(),(float)track->GetPointX()-track->GetPointX(), | |
408 | (float)track->GetPointY()-track->GetPointY(), | |
409 | (float)track->GetPointZ()-track->GetPointZ()); | |
410 | ||
411 | cerr<<"---------------------------"<<endl; | |
412 | } | |
413 | } | |
414 | } | |
415 | } | |
416 | ||
417 | void AliL3Merger::PrintTrack(AliL3Track *track){ | |
418 | fprintf(stderr,"npt: %3d pt: %.2f psi: %.2f tgl: %5.2f q: %2d\n", | |
419 | track->GetNHits(),track->GetPt(),track->GetPsi(), | |
420 | track->GetTgl(),track->GetCharge()); | |
421 | fprintf(stderr, | |
422 | "x1: %6.2f y1: %6.2f z1: %6.2f xl: %6.2f yl: %6.2f zl: %6.2f\n", | |
423 | track->GetFirstPointX(),track->GetFirstPointY(),track->GetFirstPointZ(), | |
424 | track->GetLastPointX(),track->GetLastPointY(),track->GetLastPointZ()); | |
425 | if(track->IsPoint()){ | |
426 | fprintf(stderr, | |
427 | "R: %.2f Xc: %.2f Yc: %.2f Xp: %.2f Yp: %.2f Zp: %.2f Psip: %.2f\n", | |
428 | track->GetRadius(),track->GetCenterX(),track->GetCenterY(), | |
429 | track->GetPointX(),track->GetPointY(),track->GetPointZ(), | |
430 | track->GetPointPsi()); | |
431 | } | |
432 | } | |
433 | ||
434 | ||
435 | ||
436 |