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Commit | Line | Data |
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108615fc | 1 | |
2 | //Author: Uli Frankenfeld | |
3 | //Last Modified: 06.12.2000 | |
4 | ||
5 | #include "AliL3Logging.h" | |
6 | #include <math.h> | |
7 | #include <iostream.h> | |
8 | #include "AliL3Merger.h" | |
9 | #include "AliL3Track.h" | |
10 | #include "AliL3TrackSegmentData.h" | |
11 | #include "AliL3Transform.h" | |
12 | #include "AliL3TrackArray.h" | |
13 | ||
14 | #ifdef use_root //use root ntuple for slow merge | |
15 | #include <TNtuple.h> | |
16 | #include <TTree.h> | |
17 | #include <TFile.h> | |
18 | #endif | |
19 | //_____________________________________________________________ | |
20 | // | |
21 | // The L3 merger base class | |
22 | // | |
23 | ||
24 | ClassImp(AliL3Merger) | |
25 | ||
26 | AliL3Merger::AliL3Merger(){ | |
27 | //Default constructor | |
28 | fTransformer= 0; | |
29 | SetArray(0); | |
30 | } | |
31 | ||
32 | ||
33 | AliL3Merger::AliL3Merger(Int_t ntrackarrays){ | |
34 | //Constructor. | |
35 | SetArray(ntrackarrays); | |
36 | fCurrentTracks=0; | |
37 | } | |
38 | ||
39 | AliL3Merger::~AliL3Merger(){ | |
40 | //Destructor | |
41 | DeleteArray(); | |
42 | } | |
43 | ||
44 | void AliL3Merger::DeleteArray(){ | |
45 | for(Int_t i=0; i<fNIn;i++) | |
46 | delete fInTrack[i]; | |
47 | delete[] (Byte_t*) fInTrack; | |
48 | delete fOutTrack; | |
49 | } | |
50 | ||
51 | void AliL3Merger::SetArray(Int_t nin){ | |
52 | fNIn = nin; | |
53 | fInTrack = (AliL3TrackArray **) new Byte_t[fNIn*sizeof(AliL3TrackArray *)]; | |
54 | for(Int_t i=0; i<fNIn;i++){ | |
55 | fInTrack[i] = new AliL3TrackArray(); | |
56 | } | |
57 | fOutTrack= new AliL3TrackArray(); | |
58 | } | |
59 | ||
60 | void AliL3Merger::Reset(){ | |
61 | for(Int_t i=0; i<fNIn;i++){ | |
62 | fInTrack[i]->Reset(); | |
63 | } | |
64 | fOutTrack->Reset(); | |
65 | } | |
66 | ||
67 | void AliL3Merger::FillTracks(Int_t ntracks, AliL3TrackSegmentData* tr){ | |
68 | //Read tracks from shared memory (or memory) | |
69 | AliL3TrackArray *destination = GetInTracks(fCurrentTracks); | |
70 | if(Is2Global()) | |
71 | destination->FillTracks(ntracks, tr, fSlice, fTransformer); | |
72 | else | |
73 | destination->FillTracks(ntracks, tr); | |
74 | } | |
75 | ||
76 | void AliL3Merger::AddAllTracks(){ | |
77 | for(Int_t i=0; i<GetNIn();i++){ | |
78 | AliL3TrackArray *in = GetInTracks(i); | |
79 | AliL3TrackArray *out = GetOutTracks(); | |
80 | out->AddTracks(in); | |
81 | } | |
82 | } | |
83 | ||
84 | void AliL3Merger::SortGlobalTracks(AliL3Track **tracks, Int_t ntrack){ | |
85 | AliL3Track **tmp = new AliL3Track*[ntrack]; | |
86 | for(Int_t i=0;i<ntrack;i++) tmp[i] = tracks[i]; | |
87 | Int_t *t = new Int_t[ntrack]; | |
88 | for(Int_t i=0;i<ntrack;i++) t[i]=-1; | |
89 | ||
90 | for(Int_t j=0;j<ntrack;j++){ | |
91 | Double_t minr=300; | |
92 | Int_t mini=0; | |
93 | for(Int_t i=0;i<ntrack;i++){ | |
94 | if(!tracks[i]) continue; | |
95 | Double_t rr=pow(tracks[i]->GetFirstPointX(),2)+pow(tracks[i]->GetFirstPointY(),2); | |
96 | Double_t r=sqrt(rr); | |
97 | if(r<minr){ | |
98 | minr=r; | |
99 | mini=i; | |
100 | } | |
101 | } | |
102 | t[j]=mini; | |
103 | tracks[mini]=0; | |
104 | } | |
105 | for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]]; | |
106 | delete[] t; | |
107 | delete[] tmp; | |
108 | } | |
109 | ||
110 | ||
111 | void AliL3Merger::SortTracks(AliL3Track **tracks, Int_t ntrack){ | |
112 | AliL3Track **tmp = new AliL3Track*[ntrack]; | |
113 | for(Int_t i=0;i<ntrack;i++) tmp[i] = tracks[i]; | |
114 | Int_t *t = new Int_t[ntrack]; | |
115 | for(Int_t i=0;i<ntrack;i++) t[i]=-1; | |
116 | ||
117 | for(Int_t j=0;j<ntrack;j++){ | |
118 | Double_t minx=300; | |
119 | Int_t mini=0; | |
120 | for(Int_t i=0;i<ntrack;i++){ | |
121 | if(!tracks[i]) continue; | |
122 | if(tracks[i]->GetFirstPointX()<minx){ | |
123 | minx=tracks[i]->GetFirstPointX(); | |
124 | mini=i; | |
125 | } | |
126 | } | |
127 | t[j]=mini; | |
128 | tracks[mini]=0; | |
129 | } | |
130 | for(Int_t i=0;i<ntrack;i++) tracks[i] = tmp[t[i]]; | |
131 | delete[] t; | |
132 | delete[] tmp; | |
133 | } | |
134 | ||
135 | void AliL3Merger::AddTrack(AliL3TrackArray *mergedtrack,AliL3Track *track){ | |
136 | AliL3Track *t[1]; | |
137 | t[0] = track; | |
138 | MultiMerge(mergedtrack,t,1); | |
139 | } | |
140 | ||
141 | AliL3Track * AliL3Merger::MergeTracks(AliL3TrackArray *mergedtrack,AliL3Track *t0,AliL3Track *t1){ | |
142 | AliL3Track *t[2]; | |
143 | t[0] = t0; | |
144 | t[1] = t1; | |
145 | SortTracks(t,2); | |
146 | return MultiMerge(mergedtrack,t,2); | |
147 | } | |
148 | ||
149 | AliL3Track * AliL3Merger::MultiMerge(AliL3TrackArray *mergedtracks,AliL3Track **tracks, Int_t ntrack){ | |
150 | // merge the tracks!! | |
151 | ||
152 | //check npoints | |
153 | Int_t nps = 0; | |
154 | for(Int_t i=0;i<ntrack;i++){ | |
155 | nps+=tracks[i]->GetNHits(); | |
156 | } | |
ae97a0b9 | 157 | if(nps>176){ |
108615fc | 158 | LOG(AliL3Log::kWarning,"AliL3Merger::MultiMerge","Adding Points") |
159 | <<AliL3Log::kDec<<"Too many Points: "<<nps<<ENDLOG; | |
160 | return 0; | |
161 | } | |
162 | ||
163 | //create new track | |
164 | AliL3Track *newtrack = mergedtracks->NextTrack(); | |
165 | //copy points | |
ae97a0b9 | 166 | UInt_t nn[176]; |
108615fc | 167 | nps = 0; |
168 | ||
169 | // for(Int_t i=0;i<ntrack;i++){ | |
170 | for(Int_t i=ntrack-1;i>=0;i--){ | |
171 | memcpy(&nn[nps],tracks[i]->GetHitNumbers(),tracks[i]->GetNHits()*sizeof(UInt_t)); | |
172 | nps+=tracks[i]->GetNHits(); | |
173 | } | |
174 | AliL3Track *tpf=tracks[0]; | |
175 | AliL3Track *tpl=tracks[ntrack-1]; | |
176 | ||
177 | newtrack->SetNHits(nps); | |
178 | newtrack->SetHits(nps,nn); | |
179 | newtrack->SetFirstPoint(tpf->GetFirstPointX(),tpf->GetFirstPointY(),tpf->GetFirstPointZ()); | |
180 | newtrack->SetLastPoint(tpl->GetLastPointX(),tpl->GetLastPointY(),tpl->GetLastPointZ()); | |
181 | newtrack->SetPt(tpf->GetPt()); | |
182 | newtrack->SetPsi(tpf->GetPsi()); | |
183 | newtrack->SetTgl(tpf->GetTgl()); | |
184 | newtrack->SetCharge(tpf->GetCharge()); | |
185 | return newtrack; | |
186 | } | |
187 | ||
188 | void* AliL3Merger::GetNtuple(char *varlist){ | |
189 | #ifdef use_root | |
190 | TNtuple* nt = new TNtuple("ntuple","ntuple",varlist); | |
191 | return (void*) nt; | |
192 | #else | |
193 | return 0; | |
194 | #endif | |
195 | } | |
196 | ||
197 | void* AliL3Merger::GetNtuple(){ | |
198 | #ifdef use_root | |
199 | TNtuple* nt = new TNtuple("ntuple","ntuple", | |
200 | "dx:dy:dz:dk:dpsi:dtgl:dq:disx:disy:disz:dis:n0:n1:diff:drx:dry:drz"); | |
201 | return (void*) nt; | |
202 | #else | |
203 | return 0; | |
204 | #endif | |
205 | } | |
206 | ||
207 | Bool_t AliL3Merger::WriteNtuple(char *filename, void* nt){ | |
208 | #ifdef use_root | |
209 | TNtuple *ntuple=(TNtuple *) nt; | |
210 | TFile *f = new TFile(filename,"RECREATE"); | |
211 | ntuple->Write(); | |
212 | f->Close(); | |
213 | delete ntuple; | |
214 | return kTRUE; | |
215 | #else | |
216 | return kFALSE; | |
217 | #endif | |
218 | } | |
219 | ||
220 | void AliL3Merger::FillNtuple(void *nt,AliL3Track *innertrack,AliL3Track *outertrack){ | |
221 | Float_t data[17]; | |
222 | if(outertrack->IsPoint()&&innertrack->IsPoint()){ | |
223 | data[0] =Float_t(innertrack->GetPointX()-outertrack->GetPointX()); | |
224 | data[1] =Float_t(innertrack->GetPointY()-outertrack->GetPointY()); | |
225 | data[2] =Float_t(innertrack->GetPointZ()-outertrack->GetPointZ()); | |
226 | data[3] =Float_t(innertrack->GetKappa()-outertrack->GetKappa()); | |
227 | Double_t psi= innertrack->GetPointPsi() - outertrack->GetPointPsi(); | |
228 | if(psi>PI) psi-=2*PI; | |
229 | if(psi<-PI)psi+=2*PI; | |
230 | data[4] =Float_t(psi); | |
231 | data[5] =Float_t(innertrack->GetTgl()-outertrack->GetTgl()); | |
232 | data[6] =Float_t(innertrack->GetCharge()-outertrack->GetCharge()); | |
233 | data[7] =Float_t(innertrack->GetLastPointX()-outertrack->GetFirstPointX()); | |
234 | data[8] =Float_t(innertrack->GetLastPointY()-outertrack->GetFirstPointY()); | |
235 | data[9] =Float_t(innertrack->GetLastPointZ()-outertrack->GetFirstPointZ()); | |
236 | data[10] =sqrt(pow(data[7],2)+pow(data[8],2)+pow(data[9],2)); | |
237 | data[11]= outertrack->GetNHits(); | |
238 | data[12]= innertrack->GetNHits(); | |
239 | data[13] = Float_t(TrackDiff(innertrack,outertrack)); | |
240 | #ifdef use_root | |
241 | TNtuple *ntuple = (TNtuple *) nt; | |
242 | ntuple->Fill(data); | |
243 | #endif | |
244 | } | |
245 | } | |
246 | ||
247 | void AliL3Merger::FillNtuple(void *nt,Float_t *data){ | |
248 | #ifdef use_root | |
249 | TNtuple *ntuple = (TNtuple *) nt; | |
250 | ntuple->Fill(data); | |
251 | #endif | |
252 | } | |
253 | ||
254 | Double_t AliL3Merger::GetAngle(Double_t a1,Double_t a2){ | |
255 | Double_t da = a1 - a2 +4*PI; | |
256 | da = fmod(da,2*PI); | |
257 | if(da>PI) da = 2*PI -da; | |
258 | return da; | |
259 | } | |
260 | ||
261 | void AliL3Merger::SetParameter(Double_t maxy, Double_t maxz, Double_t maxkappa, Double_t maxpsi, Double_t maxtgl){ | |
262 | fMaxY = maxy; | |
263 | fMaxZ = maxz; | |
264 | fMaxKappa = maxkappa; | |
265 | fMaxPsi = maxpsi; | |
266 | fMaxTgl = maxtgl; | |
267 | } | |
268 | ||
269 | Bool_t AliL3Merger::IsTrack(AliL3Track *innertrack,AliL3Track *outertrack){ | |
270 | ||
271 | if(innertrack->GetCharge()!=outertrack->GetCharge()) return kFALSE; | |
272 | if( (!innertrack->IsPoint()) || (!outertrack->IsPoint()) ) return kFALSE; | |
ae97a0b9 | 273 | if(innertrack->GetNHits()+outertrack->GetNHits()>176) return kFALSE; |
108615fc | 274 | |
275 | if(fabs(innertrack->GetPointY()-outertrack->GetPointY()) >fMaxY) return kFALSE; | |
276 | if(fabs(innertrack->GetPointZ()-outertrack->GetPointZ()) >fMaxZ) return kFALSE; | |
277 | if(fabs(innertrack->GetKappa()-outertrack->GetKappa()) >fMaxKappa) return kFALSE; | |
278 | if(GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi()) >fMaxPsi) return kFALSE; | |
279 | if(fabs(innertrack->GetTgl()-outertrack->GetTgl()) >fMaxTgl) return kFALSE; | |
280 | //if no rejection up to this point: merge!! | |
281 | return kTRUE; | |
282 | } | |
283 | ||
284 | Bool_t AliL3Merger::IsRTrack(AliL3Track *innertrack,AliL3Track *outertrack){ | |
285 | return IsTrack(innertrack,outertrack); | |
286 | } | |
287 | ||
288 | Double_t AliL3Merger::TrackDiff(AliL3Track *innertrack,AliL3Track *outertrack){ | |
289 | Double_t diff =-1; | |
290 | Double_t x[4],y[4],z[4],dy[4],dz[4]; | |
291 | AliL3Track *tracks[2]; | |
292 | ||
293 | tracks[0] = innertrack; | |
294 | tracks[1] = outertrack; | |
295 | SortGlobalTracks(tracks,2); | |
296 | innertrack = tracks[0]; | |
297 | outertrack = tracks[1]; | |
298 | ||
299 | x[0] = innertrack->GetFirstPointX(); | |
300 | x[1] = innertrack->GetLastPointX(); | |
301 | x[2] = outertrack->GetFirstPointX(); | |
302 | x[3] = outertrack->GetLastPointX(); | |
303 | ||
304 | y[0] = innertrack->GetFirstPointY(); | |
305 | y[1] = innertrack->GetLastPointY(); | |
306 | y[2] = outertrack->GetFirstPointY(); | |
307 | y[3] = outertrack->GetLastPointY(); | |
308 | ||
309 | z[0] = innertrack->GetFirstPointZ(); | |
310 | z[1] = innertrack->GetLastPointZ(); | |
311 | z[2] = outertrack->GetFirstPointZ(); | |
312 | z[3] = outertrack->GetLastPointZ(); | |
313 | ||
314 | ||
315 | outertrack->CalculatePoint(x[0]); | |
316 | if(!outertrack->IsPoint()) return diff; | |
317 | dy[0] = fabs(y[0] - outertrack->GetPointY()); | |
318 | dz[0] = fabs(z[0] - outertrack->GetPointZ()); | |
319 | ||
320 | outertrack->CalculatePoint(x[1]); | |
321 | if(!outertrack->IsPoint()) return diff; | |
322 | dy[1] = fabs(y[1] - outertrack->GetPointY()); | |
323 | dz[1] = fabs(z[1] - outertrack->GetPointZ()); | |
324 | ||
325 | innertrack->CalculatePoint(x[2]); | |
326 | if(!innertrack->IsPoint()) return diff; | |
327 | dy[2] = fabs(y[2] - innertrack->GetPointY()); | |
328 | dz[2] = fabs(z[2] - innertrack->GetPointZ()); | |
329 | ||
330 | innertrack->CalculatePoint(x[3]); | |
331 | if(!innertrack->IsPoint()) return diff; | |
332 | dy[3] = fabs(y[3] - innertrack->GetPointY()); | |
333 | dz[3] = fabs(z[3] - innertrack->GetPointZ()); | |
334 | ||
335 | diff=0; | |
336 | for(Int_t i=0;i<4;i++) | |
337 | diff+=sqrt(dy[i]*dy[i]+dz[i]*dz[i]); | |
338 | return diff; | |
339 | } | |
340 | ||
341 | ||
342 | ||
343 | void AliL3Merger::PrintDiff(AliL3Track *innertrack,AliL3Track *outertrack){ | |
344 | if(!innertrack->IsPoint()||!outertrack->IsPoint()){ | |
345 | cerr<<"AliL3Merger::PrintDiff: No Points"<<endl; | |
346 | cerr<<"---------------------------"<<endl; | |
347 | return; | |
348 | } | |
349 | Double_t dx = innertrack->GetPointX()-outertrack->GetPointX(); | |
350 | Double_t dy = innertrack->GetPointY()-outertrack->GetPointY(); | |
351 | Double_t dz = innertrack->GetPointZ()-outertrack->GetPointZ(); | |
352 | Double_t dk = innertrack->GetKappa()-outertrack->GetKappa(); | |
353 | Double_t dpsi= innertrack->GetPointPsi() - outertrack->GetPointPsi(); | |
354 | if(dpsi>PI) dpsi-=2*PI; | |
355 | if(dpsi<-PI)dpsi+=2*PI; | |
356 | // Double_t dpsi = GetAngle(innertrack->GetPointPsi(),outertrack->GetPointPsi()); | |
357 | Double_t dtgl= innertrack->GetTgl()-outertrack->GetTgl(); | |
358 | Double_t dq =innertrack->GetCharge()-outertrack->GetCharge(); | |
359 | ||
360 | fprintf(stderr,"dx: %4f dy: %4f dz: %4f dk: %4f dpsi: %4f dtgl: %4f dq: %4f\n", | |
361 | dx,dy,dz,dk,dpsi,dtgl,dq); | |
362 | cerr<<"---------------------------"<<endl; | |
363 | // cerr<<endl; | |
364 | ||
365 | } | |
366 | ||
367 | void AliL3Merger::Print(){ | |
368 | // print some infos | |
369 | for(Int_t i=0; i<fNIn; i++){ | |
370 | AliL3TrackArray *ttt= GetInTracks(i); | |
371 | for(Int_t j =0;j<ttt->GetNTracks();j++){ | |
372 | AliL3Track *track=ttt->GetCheckedTrack(j); | |
373 | if(!track) continue; | |
374 | track->CalculateHelix(); | |
375 | // Double_t angle = atan2(track->GetLastPointY(),track->GetLastPointX()); | |
376 | // if(angle<0) angle+=PI; | |
377 | if(track->CalculatePoint(135)) | |
378 | // if(!track->CalculateEdgePoint(angle)) cerr<<"**************"<<endl; | |
379 | // if(track->CalculatePoint(track->GetLastPointX())) | |
380 | // if(track->CalculatePoint(0)) | |
381 | { | |
382 | // PrintTrack(track); | |
383 | // track->CalculateReferencePoint(PI/180.); | |
384 | track->CalculateReferencePoint(0.001); | |
385 | fprintf(stderr,"npt: %3d dx: %8.5f dy: %8.5f dz: %8.5f\n", | |
386 | track->GetNHits(),(float)track->GetPointX()-track->GetPointX(), | |
387 | (float)track->GetPointY()-track->GetPointY(), | |
388 | (float)track->GetPointZ()-track->GetPointZ()); | |
389 | ||
390 | cerr<<"---------------------------"<<endl; | |
391 | } | |
392 | } | |
393 | } | |
394 | } | |
395 | ||
396 | void AliL3Merger::PrintTrack(AliL3Track *track){ | |
397 | fprintf(stderr,"npt: %3d pt: %.2f psi: %.2f tgl: %5.2f q: %2d\n", | |
398 | track->GetNHits(),track->GetPt(),track->GetPsi(), | |
399 | track->GetTgl(),track->GetCharge()); | |
400 | fprintf(stderr, | |
401 | "x1: %6.2f y1: %6.2f z1: %6.2f xl: %6.2f yl: %6.2f zl: %6.2f\n", | |
402 | track->GetFirstPointX(),track->GetFirstPointY(),track->GetFirstPointZ(), | |
403 | track->GetLastPointX(),track->GetLastPointY(),track->GetLastPointZ()); | |
404 | if(track->IsPoint()){ | |
405 | fprintf(stderr, | |
406 | "R: %.2f Xc: %.2f Yc: %.2f Xp: %.2f Yp: %.2f Zp: %.2f Psip: %.2f\n", | |
407 | track->GetRadius(),track->GetCenterX(),track->GetCenterY(), | |
408 | track->GetPointX(),track->GetPointY(),track->GetPointZ(), | |
409 | track->GetPointPsi()); | |
410 | } | |
411 | } | |
412 | ||
413 | ||
414 | ||
415 |