]>
Commit | Line | Data |
---|---|---|
e0d98ba6 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | ||
17 | /////////////////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // Time Projection Chamber // | |
20 | // Comparison macro for TPC // | |
21 | // responsible: | |
22 | // marian.ivanov@cern.ch // | |
23 | // | |
24 | // | |
25 | // usage: | |
26 | ||
27 | // | |
28 | // TO CREATE OF TREE WITH MC INFO | |
29 | ||
30 | // .L AliTPCComparisonMI.C+ | |
31 | // TPCFindGenTracks *t = new TPCFindGenTracks("galice.root","genTracks.root",1,0) | |
32 | // t->Exec() | |
33 | // | |
34 | // TO CREATE COMPARISON TREE | |
35 | // TPCCmpTr *t2 = new TPCCmpTr("genTracks.root","cmpTracks.root","galice.root",1,0); | |
36 | // t2->Exec() | |
37 | // | |
38 | // EXAMPLE OF COMPARISON VISUALIZATION SESSION | |
39 | // | |
40 | // .L AliTPCComparisonMI.C+ | |
41 | // TCut cprim("cprim","MC.fVDist[3]<1"); | |
42 | // TCut cprim("cprim","MC.fVDist[3]<1"); | |
43 | // TCut crec("crec","fReconstructed==1"); | |
44 | // TCut cteta1("cteta1","abs(MC.fTrackRef.Theta()/3.1415-0.5)<0.25"); | |
45 | // TCut cpos1("cpos1","abs(MC.fParticle.fVz/sqrt(MC.fParticle.fVx*MC.fParticle.fVx+MC.fParticle.fVy*MC.fParticle.fVy))<1"); | |
46 | // TCut csens("csens","abs(sqrt(fVDist[0]**2+fVDist[1]**2)-170)<50"); | |
47 | // TCut cmuon("cmuon","abs(MC.fParticle.fPdgCode==-13)"); | |
48 | // | |
49 | // | |
50 | // AliTPCComparisonDraw comp; | |
51 | // comp.SetIO(); | |
52 | // (comp.EffVsPt("MC.fRowsWithDigits>120"+cteta1+cprim,"1"))->Draw() | |
53 | // (comp.EffVsRM("MC.fRowsWithDigits>20"+cteta1+cprim,"1"))->Draw() | |
54 | // (comp.EffVsRS("MC.fRowsWithDigits>20"+cteta1+cpos1,"1"))->Draw() | |
55 | // | |
56 | // (comp.ResPtvsPt("MC.fRowsWithDigits>20"+cteta1+cpos1,"1",0.15,2.))->Draw() | |
57 | // (comp.MeanPtvsPt("MC.fRowsWithDigits>20"+cteta1+cpos1,"1",0.15,2.))->Draw() | |
58 | // (comp.ResdEdxvsN("RC.fReconstructed==1&&MC.fPrim<1.5&&abs(MC.fParticle.fPdgCode)==211&&MC.fParticle.P()>0.35"+cteta1+cpos1+cprim,"1",100,160,4))->Draw() | |
59 | ||
60 | ||
61 | /////////////////////////////////////////////////////////////////////////////// | |
62 | ||
63 | ||
64 | ||
65 | ||
7699f61f | 66 | #if !defined(__CINT__) || defined(__MAKECINT__) |
7699f61f | 67 | #include <stdio.h> |
68 | #include <string.h> | |
e0d98ba6 | 69 | //ROOT includes |
7699f61f | 70 | #include "Rtypes.h" |
71 | #include "TFile.h" | |
72 | #include "TTree.h" | |
e0d98ba6 | 73 | #include "TChain.h" |
74 | #include "TCut.h" | |
7699f61f | 75 | #include "TString.h" |
76 | #include "TBenchmark.h" | |
77 | #include "TStopwatch.h" | |
78 | #include "TParticle.h" | |
e0d98ba6 | 79 | #include "TSystem.h" |
80 | #include "TTimer.h" | |
81 | #include "TVector3.h" | |
82 | #include "TPad.h" | |
83 | #include "TCanvas.h" | |
84 | #include "TH1F.h" | |
85 | #include "TH2F.h" | |
86 | #include "TF1.h" | |
87 | #include "TText.h" | |
88 | #include "Getline.h" | |
89 | #include "TStyle.h" | |
90 | ||
91 | //ALIROOT includes | |
7699f61f | 92 | #include "AliRun.h" |
93 | #include "AliStack.h" | |
94 | #include "AliTPCtrack.h" | |
95 | #include "AliSimDigits.h" | |
96 | #include "AliTPCParam.h" | |
7699f61f | 97 | #include "AliTPC.h" |
927d593f | 98 | #include "AliTPCLoader.h" |
7699f61f | 99 | #include "AliDetector.h" |
100 | #include "AliTrackReference.h" | |
7699f61f | 101 | #include "AliRun.h" |
7699f61f | 102 | #include "AliTPCParamSR.h" |
103 | #include "AliTracker.h" | |
104 | #include "AliComplexCluster.h" | |
927d593f | 105 | #include "AliMagF.h" |
e0d98ba6 | 106 | #endif |
d8d3b5b8 | 107 | #include "AliTPCComparisonMI.h" |
e0d98ba6 | 108 | |
109 | ||
110 | ||
111 | ||
112 | ||
7699f61f | 113 | |
114 | ||
7699f61f | 115 | |
116 | // | |
117 | // | |
7699f61f | 118 | |
119 | AliTPCParam * GetTPCParam(){ | |
120 | AliTPCParamSR * par = new AliTPCParamSR; | |
121 | par->Update(); | |
122 | return par; | |
123 | } | |
124 | ||
125 | ||
7699f61f | 126 | //_____________________________________________________________________________ |
127 | Float_t TPCBetheBloch(Float_t bg) | |
128 | { | |
129 | // | |
130 | // Bethe-Bloch energy loss formula | |
131 | // | |
132 | const Double_t kp1=0.76176e-1; | |
133 | const Double_t kp2=10.632; | |
134 | const Double_t kp3=0.13279e-4; | |
135 | const Double_t kp4=1.8631; | |
136 | const Double_t kp5=1.9479; | |
137 | ||
138 | Double_t dbg = (Double_t) bg; | |
139 | ||
140 | Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg); | |
141 | ||
142 | Double_t aa = TMath::Power(beta,kp4); | |
143 | Double_t bb = TMath::Power(1./dbg,kp5); | |
144 | ||
145 | bb=TMath::Log(kp3+bb); | |
146 | ||
147 | return ((Float_t)((kp2-aa-bb)*kp1/aa)); | |
148 | } | |
149 | ||
150 | ||
151 | ||
152 | ||
153 | ||
154 | //////////////////////////////////////////////////////////////////////// | |
155 | AliTPCGenInfo::AliTPCGenInfo() | |
156 | { | |
157 | fReferences = 0; | |
e0d98ba6 | 158 | fTRdecay.SetTrack(-1); |
7699f61f | 159 | } |
160 | ||
161 | AliTPCGenInfo::~AliTPCGenInfo() | |
162 | { | |
163 | if (fReferences) delete fReferences; | |
164 | fReferences =0; | |
e0d98ba6 | 165 | |
166 | } | |
167 | ||
168 | void AliTPCGenInfo::Update() | |
169 | { | |
170 | // | |
171 | // | |
172 | fMCtracks =1; | |
173 | if (!fReferences) return; | |
174 | Float_t direction=1; | |
175 | //Float_t rlast=0; | |
176 | for (Int_t iref =0;iref<fReferences->GetEntriesFast();iref++){ | |
177 | AliTrackReference * ref = (AliTrackReference *) fReferences->At(iref); | |
178 | //Float_t r = (ref->X()*ref->X()+ref->Y()*ref->Y()); | |
179 | Float_t newdirection = ref->X()*ref->Px()+ref->Y()*ref->Py(); //inside or outside | |
180 | if (iref==0) direction = newdirection; | |
181 | if ( newdirection*direction<0){ | |
182 | //changed direction | |
183 | direction = newdirection; | |
184 | fMCtracks+=1; | |
185 | } | |
186 | //rlast=r; | |
187 | } | |
7699f61f | 188 | } |
e0d98ba6 | 189 | |
7699f61f | 190 | //////////////////////////////////////////////////////////////////////// |
191 | ||
192 | //////////////////////////////////////////////////////////////////////// | |
193 | // | |
194 | // End of implementation of the class AliTPCGenInfo | |
195 | // | |
196 | //////////////////////////////////////////////////////////////////////// | |
197 | ||
198 | ||
199 | ||
200 | //////////////////////////////////////////////////////////////////////// | |
201 | digitRow::digitRow() | |
202 | { | |
203 | Reset(); | |
204 | } | |
205 | //////////////////////////////////////////////////////////////////////// | |
206 | digitRow & digitRow::operator=(const digitRow &digOld) | |
207 | { | |
208 | for (Int_t i = 0; i<kgRowBytes; i++) fDig[i] = digOld.fDig[i]; | |
209 | return (*this); | |
210 | } | |
211 | //////////////////////////////////////////////////////////////////////// | |
212 | void digitRow::SetRow(Int_t row) | |
213 | { | |
214 | if (row >= 8*kgRowBytes) { | |
215 | cerr<<"digitRow::SetRow: index "<<row<<" out of bounds."<<endl; | |
216 | return; | |
217 | } | |
218 | Int_t iC = row/8; | |
219 | Int_t iB = row%8; | |
220 | SETBIT(fDig[iC],iB); | |
221 | } | |
222 | ||
223 | //////////////////////////////////////////////////////////////////////// | |
224 | Bool_t digitRow::TestRow(Int_t row) | |
225 | { | |
226 | // | |
227 | // return kTRUE if row is on | |
228 | // | |
229 | Int_t iC = row/8; | |
230 | Int_t iB = row%8; | |
231 | return TESTBIT(fDig[iC],iB); | |
232 | } | |
233 | //////////////////////////////////////////////////////////////////////// | |
234 | Int_t digitRow::RowsOn(Int_t upto) | |
235 | { | |
236 | // | |
237 | // returns number of rows with a digit | |
238 | // count only rows less equal row number upto | |
239 | // | |
240 | Int_t total = 0; | |
241 | for (Int_t i = 0; i<kgRowBytes; i++) { | |
242 | for (Int_t j = 0; j < 8; j++) { | |
243 | if (i*8+j > upto) return total; | |
244 | if (TESTBIT(fDig[i],j)) total++; | |
245 | } | |
246 | } | |
247 | return total; | |
248 | } | |
249 | //////////////////////////////////////////////////////////////////////// | |
250 | void digitRow::Reset() | |
251 | { | |
252 | // | |
253 | // resets all rows to zero | |
254 | // | |
255 | for (Int_t i = 0; i<kgRowBytes; i++) { | |
256 | fDig[i] <<= 8; | |
257 | } | |
258 | } | |
259 | //////////////////////////////////////////////////////////////////////// | |
260 | Int_t digitRow::Last() | |
261 | { | |
262 | // | |
263 | // returns the last row number with a digit | |
264 | // returns -1 if now digits | |
265 | // | |
266 | for (Int_t i = kgRowBytes-1; i>=0; i--) { | |
267 | for (Int_t j = 7; j >= 0; j--) { | |
268 | if TESTBIT(fDig[i],j) return i*8+j; | |
269 | } | |
270 | } | |
271 | return -1; | |
272 | } | |
273 | //////////////////////////////////////////////////////////////////////// | |
274 | Int_t digitRow::First() | |
275 | { | |
276 | // | |
277 | // returns the first row number with a digit | |
278 | // returns -1 if now digits | |
279 | // | |
280 | for (Int_t i = 0; i<kgRowBytes; i++) { | |
281 | for (Int_t j = 0; j < 8; j++) { | |
282 | if (TESTBIT(fDig[i],j)) return i*8+j; | |
283 | } | |
284 | } | |
285 | return -1; | |
286 | } | |
287 | ||
288 | //////////////////////////////////////////////////////////////////////// | |
289 | // | |
290 | // end of implementation of a class digitRow | |
291 | // | |
292 | //////////////////////////////////////////////////////////////////////// | |
293 | ||
294 | //////////////////////////////////////////////////////////////////////// | |
295 | TPCFindGenTracks::TPCFindGenTracks() | |
296 | { | |
297 | fMCInfo = new AliTPCGenInfo; | |
298 | fMCInfo->fReferences = new TClonesArray("AliTrackReference"); | |
927d593f | 299 | |
7699f61f | 300 | Reset(); |
301 | } | |
302 | ||
303 | //////////////////////////////////////////////////////////////////////// | |
e0d98ba6 | 304 | TPCFindGenTracks::TPCFindGenTracks(const char * fnGalice, const char* fnRes, |
7699f61f | 305 | Int_t nEvents, Int_t firstEvent) |
306 | { | |
307 | Reset(); | |
308 | fFirstEventNr = firstEvent; | |
309 | fEventNr = firstEvent; | |
310 | fNEvents = nEvents; | |
e0d98ba6 | 311 | // fFnRes = fnRes; |
312 | sprintf(fFnRes,"%s",fnRes); | |
7699f61f | 313 | // |
314 | fLoader = AliRunLoader::Open(fnGalice); | |
315 | if (gAlice){ | |
316 | delete gAlice->GetRunLoader(); | |
317 | delete gAlice; | |
318 | gAlice = 0x0; | |
319 | } | |
320 | if (fLoader->LoadgAlice()){ | |
321 | cerr<<"Error occured while l"<<endl; | |
322 | } | |
323 | Int_t nall = fLoader->GetNumberOfEvents(); | |
e0d98ba6 | 324 | if (nEvents==0) { |
325 | nEvents =nall; | |
326 | fNEvents=nall; | |
327 | fFirstEventNr=0; | |
328 | } | |
329 | ||
7699f61f | 330 | if (nall<=0){ |
331 | cerr<<"no events available"<<endl; | |
332 | fEventNr = 0; | |
333 | return; | |
334 | } | |
335 | if (firstEvent+nEvents>nall) { | |
336 | fEventNr = nall-firstEvent; | |
337 | cerr<<"restricted number of events availaible"<<endl; | |
338 | } | |
927d593f | 339 | AliMagF * magf = gAlice->Field(); |
340 | AliTracker::SetFieldMap(magf); | |
7699f61f | 341 | } |
342 | ||
343 | //////////////////////////////////////////////////////////////////////// | |
344 | void TPCFindGenTracks::Reset() | |
345 | { | |
346 | fEventNr = 0; | |
347 | fNEvents = 0; | |
348 | fTreeGenTracks = 0; | |
7699f61f | 349 | fFileGenTracks = 0; |
350 | fContainerDigitRow = 0; | |
351 | // | |
352 | fReferences = 0; | |
353 | fReferenceIndex0 = 0; | |
354 | fReferenceIndex1 = 0; | |
e0d98ba6 | 355 | fDecayRef = 0; |
7699f61f | 356 | // |
357 | fDebug = 0; | |
358 | fVPrim[0] = -1000.; | |
359 | fVPrim[1] = -1000.; | |
360 | fVPrim[2] = -1000.; | |
361 | fParamTPC = 0; | |
362 | } | |
363 | //////////////////////////////////////////////////////////////////////// | |
364 | TPCFindGenTracks::~TPCFindGenTracks() | |
365 | { | |
e0d98ba6 | 366 | |
367 | if (fLoader){ | |
368 | fLoader->UnloadgAlice(); | |
369 | gAlice = 0; | |
370 | delete fLoader; | |
371 | } | |
7699f61f | 372 | } |
373 | ||
374 | ||
375 | Int_t TPCFindGenTracks::SetIO() | |
376 | { | |
377 | // | |
378 | // | |
379 | CreateTreeGenTracks(); | |
380 | if (!fTreeGenTracks) return 1; | |
927d593f | 381 | // AliTracker::SetFieldFactor(); |
382 | ||
7699f61f | 383 | fParamTPC = GetTPCParam(); |
384 | // | |
385 | return 0; | |
386 | } | |
387 | ||
388 | //////////////////////////////////////////////////////////////////////// | |
389 | Int_t TPCFindGenTracks::SetIO(Int_t eventNr) | |
390 | { | |
391 | // | |
392 | // | |
393 | // SET INPUT | |
7699f61f | 394 | fLoader->SetEventNumber(eventNr); |
395 | // | |
396 | fLoader->LoadHeader(); | |
397 | fLoader->LoadKinematics(); | |
398 | fStack = fLoader->Stack(); | |
399 | // | |
400 | fLoader->LoadTrackRefs(); | |
401 | fTreeTR = fLoader->TreeTR(); | |
402 | // | |
403 | AliTPCLoader * tpcl = (AliTPCLoader*)fLoader->GetLoader("TPCLoader"); | |
404 | tpcl->LoadDigits(); | |
e0d98ba6 | 405 | fTreeD = tpcl->TreeD(); |
406 | return 0; | |
407 | } | |
408 | ||
409 | Int_t TPCFindGenTracks::CloseIOEvent() | |
410 | { | |
411 | fLoader->UnloadHeader(); | |
412 | fLoader->UnloadKinematics(); | |
413 | fLoader->UnloadTrackRefs(); | |
414 | AliTPCLoader * tpcl = (AliTPCLoader*)fLoader->GetLoader("TPCLoader"); | |
415 | tpcl->UnloadDigits(); | |
416 | return 0; | |
417 | } | |
418 | ||
419 | Int_t TPCFindGenTracks::CloseIO() | |
420 | { | |
421 | fLoader->UnloadgAlice(); | |
7699f61f | 422 | return 0; |
423 | } | |
424 | ||
e0d98ba6 | 425 | |
426 | ||
7699f61f | 427 | //////////////////////////////////////////////////////////////////////// |
428 | Int_t TPCFindGenTracks::Exec(Int_t nEvents, Int_t firstEventNr) | |
429 | { | |
430 | fNEvents = nEvents; | |
431 | fFirstEventNr = firstEventNr; | |
432 | return Exec(); | |
433 | } | |
434 | ||
435 | //////////////////////////////////////////////////////////////////////// | |
436 | Int_t TPCFindGenTracks::Exec() | |
437 | { | |
438 | TStopwatch timer; | |
439 | timer.Start(); | |
440 | Int_t status =SetIO(); | |
441 | if (status>0) return status; | |
442 | // | |
443 | ||
444 | for (fEventNr = fFirstEventNr; fEventNr < fFirstEventNr+fNEvents; | |
445 | fEventNr++) { | |
446 | SetIO(fEventNr); | |
447 | fNParticles = fStack->GetNtrack(); | |
448 | fContainerDigitRow = new digitRow[fNParticles]; | |
449 | // | |
e0d98ba6 | 450 | fReferences = new AliTrackReference[fgMaxTR]; |
7699f61f | 451 | fReferenceIndex0 = new Int_t[fNParticles]; |
452 | fReferenceIndex1 = new Int_t[fNParticles]; | |
e0d98ba6 | 453 | fDecayRef = new AliTrackReference[fNParticles]; |
7699f61f | 454 | |
455 | for (Int_t i = 0; i<fNParticles; i++) { | |
456 | fReferenceIndex0[i] = -1; | |
457 | fReferenceIndex1[i] = -1; | |
458 | } | |
459 | ||
460 | cout<<"Start to process event "<<fEventNr<<endl; | |
461 | cout<<"\tfNParticles = "<<fNParticles<<endl; | |
462 | if (fDebug>2) cout<<"\tStart loop over TreeD"<<endl; | |
463 | if (TreeDLoop()>0) return 1; | |
464 | if (fDebug>2) cout<<"\tStart loop over TreeTR"<<endl; | |
465 | if (TreeTRLoop()>0) return 1; | |
466 | if (fDebug>2) cout<<"\tStart loop over TreeK"<<endl; | |
467 | if (TreeKLoop()>0) return 1; | |
468 | if (fDebug>2) cout<<"\tEnd loop over TreeK"<<endl; | |
469 | ||
470 | delete [] fContainerDigitRow; | |
471 | delete [] fReferences; | |
472 | delete [] fReferenceIndex0; | |
473 | delete [] fReferenceIndex1; | |
e0d98ba6 | 474 | delete [] fDecayRef; |
475 | CloseIOEvent(); | |
7699f61f | 476 | } |
e0d98ba6 | 477 | // |
478 | CloseIO(); | |
7699f61f | 479 | CloseOutputFile(); |
480 | ||
481 | cerr<<"Exec finished"<<endl; | |
7699f61f | 482 | |
483 | timer.Stop(); | |
484 | timer.Print(); | |
485 | return 0; | |
486 | } | |
487 | //////////////////////////////////////////////////////////////////////// | |
488 | void TPCFindGenTracks::CreateTreeGenTracks() | |
489 | { | |
490 | fFileGenTracks = TFile::Open(fFnRes,"RECREATE"); | |
491 | if (!fFileGenTracks) { | |
492 | cerr<<"Error in CreateTreeGenTracks: cannot open file "<<fFnRes<<endl; | |
493 | return; | |
494 | } | |
495 | fTreeGenTracks = new TTree("genTracksTree","genTracksTree"); | |
496 | ||
497 | ||
498 | ||
499 | fMCInfo = new AliTPCGenInfo; | |
500 | fMCInfo->fReferences = new TClonesArray("AliTrackReference"); | |
501 | ||
502 | fTreeGenTracks->Branch("MC","AliTPCGenInfo",&fMCInfo); | |
503 | ||
504 | fTreeGenTracks->Branch("fEventNr",&fEventNr,"fEventNr/I"); | |
505 | ||
506 | fTreeGenTracks->AutoSave(); | |
507 | } | |
508 | //////////////////////////////////////////////////////////////////////// | |
509 | void TPCFindGenTracks::CloseOutputFile() | |
510 | { | |
511 | if (!fFileGenTracks) { | |
512 | cerr<<"File "<<fFnRes<<" not found as an open file."<<endl; | |
513 | return; | |
514 | } | |
515 | fFileGenTracks->cd(); | |
516 | fTreeGenTracks->Write(); | |
517 | delete fTreeGenTracks; | |
518 | fFileGenTracks->Close(); | |
519 | delete fFileGenTracks; | |
520 | return; | |
521 | } | |
522 | ||
523 | //////////////////////////////////////////////////////////////////////// | |
524 | Int_t TPCFindGenTracks::TreeKLoop() | |
525 | { | |
526 | // | |
527 | // open the file with treeK | |
528 | // loop over all entries there and save information about some tracks | |
529 | // | |
530 | ||
531 | AliStack * stack = fStack; | |
532 | if (!stack) {cerr<<"Stack was not found!\n"; return 1;} | |
533 | ||
534 | if (fDebug > 0) { | |
535 | cout<<"There are "<<fNParticles<<" primary and secondary particles in event " | |
536 | <<fEventNr<<endl; | |
537 | } | |
538 | ||
539 | Int_t ipdg = 0; | |
540 | TParticlePDG *ppdg = 0; | |
541 | ||
542 | ||
543 | // not all generators give primary vertex position. Take the vertex | |
544 | // of the particle 0 as primary vertex. | |
545 | TDatabasePDG pdg; //get pdg table | |
546 | ||
547 | //thank you very much root for this | |
548 | TBranch * br = fTreeGenTracks->GetBranch("MC"); | |
549 | ||
550 | TParticle *particle = stack->ParticleFromTreeK(0); | |
551 | fVPrim[0] = particle->Vx(); | |
552 | fVPrim[1] = particle->Vy(); | |
553 | fVPrim[2] = particle->Vz(); | |
554 | for (Int_t iParticle = 0; iParticle < fNParticles; iParticle++) { | |
555 | ||
556 | // load only particles with TR | |
557 | if (fReferenceIndex0[iParticle]<0) continue; | |
558 | ////////////////////////////////////////////////////////////////////// | |
559 | fMCInfo->fLabel = iParticle; | |
560 | ||
561 | fMCInfo->fRow = (fContainerDigitRow[iParticle]); | |
562 | fMCInfo->fRowsWithDigits = fMCInfo->fRow.RowsOn(); | |
563 | if (fMCInfo->fRowsWithDigits<10) continue; | |
564 | fMCInfo->fRowsWithDigitsInn = fMCInfo->fRow.RowsOn(63); // 63 = number of inner rows | |
565 | fMCInfo->fRowsTrackLength = fMCInfo->fRow.Last() - fMCInfo->fRow.First(); | |
566 | fMCInfo->fDigitsInSeed = 0; | |
567 | if (fMCInfo->fRow.TestRow(seedRow11) && fMCInfo->fRow.TestRow(seedRow12)) | |
568 | fMCInfo->fDigitsInSeed = 1; | |
569 | if (fMCInfo->fRow.TestRow(seedRow21) && fMCInfo->fRow.TestRow(seedRow22)) | |
570 | fMCInfo->fDigitsInSeed += 10; | |
571 | // | |
572 | // | |
573 | // | |
574 | fMCInfo->fParticle = *(stack->Particle(iParticle)); | |
7699f61f | 575 | // |
576 | // | |
577 | fMCInfo->fLabel = iParticle; | |
578 | fMCInfo->fVDist[0] = fMCInfo->fParticle.Vx()-fVPrim[0]; | |
579 | fMCInfo->fVDist[1] = fMCInfo->fParticle.Vy()-fVPrim[1]; | |
580 | fMCInfo->fVDist[2] = fMCInfo->fParticle.Vz()-fVPrim[2]; | |
581 | fMCInfo->fVDist[3] = TMath::Sqrt(fMCInfo->fVDist[0]*fMCInfo->fVDist[0]+ | |
582 | fMCInfo->fVDist[1]*fMCInfo->fVDist[1]+fMCInfo->fVDist[2]*fMCInfo->fVDist[2]); | |
583 | ||
584 | // | |
585 | Int_t index = fReferenceIndex0[iParticle]; | |
586 | AliTrackReference ref = fReferences[index]; | |
587 | // if (ref.GetTrack()!=iParticle) | |
588 | // printf("problem2\n"); | |
589 | fMCInfo->fTrackRef = ref; | |
590 | ||
591 | Int_t rfindex =0; | |
592 | if (fMCInfo->fReferences !=0) delete fMCInfo->fReferences; | |
593 | fMCInfo->fReferences = | |
594 | new TClonesArray("AliTrackReference"); | |
595 | fMCInfo->fReferences->ExpandCreateFast(fReferenceIndex1[iParticle]-fReferenceIndex0[iParticle]+1); | |
596 | // | |
597 | for (Int_t i = fReferenceIndex0[iParticle];i<=fReferenceIndex1[iParticle];i++){ | |
598 | AliTrackReference ref = fReferences[i]; | |
599 | AliTrackReference *ref2 = (AliTrackReference*) fMCInfo->fReferences->At(rfindex); | |
e0d98ba6 | 600 | if (ref.GetTrack()!=iParticle){ |
601 | //printf("problem5\n"); | |
602 | continue; | |
603 | } | |
7699f61f | 604 | *ref2 = ref; |
605 | rfindex++; | |
606 | } | |
607 | // | |
608 | // | |
609 | ipdg = fMCInfo->fParticle.GetPdgCode(); | |
e0d98ba6 | 610 | fMCInfo->fPdg = ipdg; |
7699f61f | 611 | ppdg = pdg.GetParticle(ipdg); |
612 | // calculate primary ionization per cm | |
613 | if (ppdg){ | |
614 | Float_t mass = ppdg->Mass(); | |
615 | Float_t p = TMath::Sqrt(fMCInfo->fTrackRef.Px()*fMCInfo->fTrackRef.Px()+ | |
616 | fMCInfo->fTrackRef.Py()*fMCInfo->fTrackRef.Py()+ | |
617 | fMCInfo->fTrackRef.Pz()*fMCInfo->fTrackRef.Pz()); | |
618 | ||
619 | // Float_t betagama = fMCInfo->fParticle.P()/mass; | |
620 | Float_t betagama = p /mass; | |
621 | fMCInfo->fPrim = TPCBetheBloch(betagama); | |
e0d98ba6 | 622 | } |
623 | fMCInfo->fTPCdecay=kFALSE; | |
624 | if (fDecayRef[iParticle].GetTrack()>0){ | |
625 | fMCInfo->fTRdecay = fDecayRef[iParticle]; | |
626 | fMCInfo->fDecayCoord[0] = fMCInfo->fTRdecay.X(); | |
627 | fMCInfo->fDecayCoord[1] = fMCInfo->fTRdecay.Y(); | |
628 | fMCInfo->fDecayCoord[2] = fMCInfo->fTRdecay.Z(); | |
629 | if ( (fMCInfo->fTRdecay.R()<250)&&(fMCInfo->fTRdecay.R()>85) && (TMath::Abs(fMCInfo->fTRdecay.Z())<250) ){ | |
630 | fMCInfo->fTPCdecay=kTRUE; | |
631 | } | |
632 | } | |
633 | else{ | |
634 | fMCInfo->fTRdecay.SetTrack(-1); | |
635 | fMCInfo->fDecayCoord[0] = 0; | |
636 | fMCInfo->fDecayCoord[1] = 0; | |
637 | fMCInfo->fDecayCoord[2] = 0; | |
7699f61f | 638 | } |
e0d98ba6 | 639 | fMCInfo->Update(); |
7699f61f | 640 | ////////////////////////////////////////////////////////////////////// |
e0d98ba6 | 641 | |
7699f61f | 642 | br->SetAddress(&fMCInfo); |
643 | fTreeGenTracks->Fill(); | |
644 | ||
645 | } | |
646 | fTreeGenTracks->AutoSave(); | |
647 | ||
648 | if (fDebug > 2) cerr<<"end of TreeKLoop"<<endl; | |
649 | ||
650 | return 0; | |
651 | } | |
652 | ||
653 | ||
654 | ||
655 | ||
656 | //////////////////////////////////////////////////////////////////////// | |
657 | Int_t TPCFindGenTracks::TreeDLoop() | |
658 | { | |
659 | // | |
660 | // open the file with treeD | |
661 | // loop over all entries there and save information about some tracks | |
662 | // | |
663 | ||
664 | Int_t nInnerSector = fParamTPC->GetNInnerSector(); | |
665 | Int_t rowShift = 0; | |
666 | // Int_t zero=fParamTPC->GetZeroSup(); | |
667 | Int_t zero=fParamTPC->GetZeroSup()+6; | |
668 | ||
669 | ||
670 | //char treeDName[100]; | |
671 | //sprintf(treeDName,"TreeD_75x40_100x60_150x60_%d",fEventNr); | |
672 | //TTree *treeD=(TTree*)fFileTreeD->Get(treeDName); | |
673 | // | |
674 | // | |
675 | AliSimDigits digitsAddress, *digits=&digitsAddress; | |
676 | fTreeD->GetBranch("Segment")->SetAddress(&digits); | |
677 | ||
678 | Int_t sectorsByRows=(Int_t)fTreeD->GetEntries(); | |
679 | if (fDebug > 1) cout<<"\tsectorsByRows = "<<sectorsByRows<<endl; | |
680 | for (Int_t i=0; i<sectorsByRows; i++) { | |
681 | // for (Int_t i=5720; i<sectorsByRows; i++) { | |
682 | if (!fTreeD->GetEvent(i)) continue; | |
683 | Int_t sec,row; | |
684 | fParamTPC->AdjustSectorRow(digits->GetID(),sec,row); | |
685 | if (fDebug > 1) cout<<sec<<' '<<row<<" \r"; | |
686 | // cerr<<sec<<' '<<row<<endl; | |
687 | ||
688 | // here I expect that upper sectors follow lower sectors | |
689 | if (sec > nInnerSector) rowShift = fParamTPC->GetNRowLow(); | |
690 | // | |
691 | //digits->ExpandTrackBuffer(); | |
692 | //Int_t *tracks = digits->GetTracks(); | |
693 | digits->First(); | |
694 | do { | |
695 | Int_t iRow=digits->CurrentRow(); | |
696 | Int_t iColumn=digits->CurrentColumn(); | |
697 | Short_t digitValue = digits->CurrentDigit(); | |
698 | // cout<<"Inner loop: sector, iRow, iColumn " | |
699 | // <<sec<<" "<<iRow<<" "<<iColumn<<endl; | |
700 | if (digitValue >= zero) { | |
701 | Int_t label; | |
702 | for (Int_t j = 0; j<3; j++) { | |
703 | label = digits->GetTrackID(iRow,iColumn,j); | |
704 | //label = digits->GetTrackIDFast(iRow,iColumn,j); | |
705 | ||
706 | if (label >= fNParticles) { //don't label from bakground event | |
707 | continue; | |
708 | } | |
709 | if (label >= 0 && label <= fNParticles) { | |
710 | // if (label >= 0 && label <= fDebug) { | |
711 | if (fDebug > 6 ) { | |
712 | cout<<"Inner loop: sector, iRow, iColumn, label, value, row " | |
713 | <<sec<<" " | |
714 | <<iRow<<" "<<iColumn<<" "<<label<<" "<<digitValue | |
715 | <<" "<<row<<endl; | |
716 | } | |
717 | fContainerDigitRow[label].SetRow(row+rowShift); | |
718 | } | |
719 | } | |
720 | } | |
721 | } while (digits->Next()); | |
722 | } | |
723 | ||
724 | if (fDebug > 2) cerr<<"end of TreeDLoop"<<endl; | |
725 | ||
726 | return 0; | |
727 | } | |
728 | ||
729 | ||
730 | //////////////////////////////////////////////////////////////////////// | |
731 | Int_t TPCFindGenTracks::TreeTRLoop() | |
732 | { | |
733 | // | |
734 | // loop over TrackReferences and store the first one for each track | |
735 | // | |
736 | ||
737 | TTree * treeTR = fTreeTR; | |
738 | if (!treeTR) { | |
739 | cerr<<"TreeTR not found"<<endl; | |
740 | return 1; | |
741 | } | |
742 | Int_t nPrimaries = (Int_t) treeTR->GetEntries(); | |
743 | if (fDebug > 1) cout<<"There are "<<nPrimaries<<" entries in TreeTR"<<endl; | |
744 | // | |
745 | // | |
e0d98ba6 | 746 | //track references for TPC |
7699f61f | 747 | TBranch *TPCBranchTR = treeTR->GetBranch("TPC"); |
748 | if (!TPCBranchTR) { | |
749 | cerr<<"TPC branch in TR not found"<<endl; | |
750 | return 1; | |
751 | } | |
752 | TClonesArray* TPCArrayTR = new TClonesArray("AliTrackReference"); | |
753 | TPCBranchTR->SetAddress(&TPCArrayTR); | |
e0d98ba6 | 754 | //get decay point if exist |
755 | TBranch *runbranch = treeTR->GetBranch("AliRun"); | |
756 | if (!runbranch) { | |
757 | cerr<<"Run branch in TR not found"<<endl; | |
758 | return 1; | |
759 | } | |
760 | TClonesArray* RunArrayTR = new TClonesArray("AliTrackReference"); | |
761 | runbranch->SetAddress(&RunArrayTR); | |
7699f61f | 762 | // |
763 | // | |
764 | // | |
765 | Int_t index = 0; | |
766 | for (Int_t iPrimPart = 0; iPrimPart<nPrimaries; iPrimPart++) { | |
767 | TPCBranchTR->GetEntry(iPrimPart); | |
e0d98ba6 | 768 | Float_t ptstart = 0; |
7699f61f | 769 | for (Int_t iTrackRef = 0; iTrackRef < TPCArrayTR->GetEntriesFast(); iTrackRef++) { |
e0d98ba6 | 770 | AliTrackReference *trackRef = (AliTrackReference*)TPCArrayTR->At(iTrackRef); |
7699f61f | 771 | // |
7699f61f | 772 | Int_t label = trackRef->GetTrack(); |
773 | if (label<0 || label > fNParticles) { | |
774 | continue; | |
775 | } | |
e0d98ba6 | 776 | if (fReferenceIndex0[label]<0) ptstart = trackRef->Pt(); //store pt at the TPC entrance |
777 | if (ptstart<fgPtCut) continue; | |
778 | ||
7699f61f | 779 | if (index>=fgMaxTR) continue; //restricted size of buffer for TR |
780 | fReferences[index] = *trackRef; | |
781 | fReferenceIndex1[label] = index; // the last ref with given label | |
782 | if (fReferenceIndex0[label]==-1) fReferenceIndex0[label] = index; //the first index with label | |
e0d98ba6 | 783 | index++; |
7699f61f | 784 | } |
e0d98ba6 | 785 | // get dacay position |
786 | runbranch->GetEntry(iPrimPart); | |
787 | for (Int_t iTrackRef = 0; iTrackRef < RunArrayTR->GetEntriesFast(); iTrackRef++) { | |
788 | AliTrackReference *trackRef = (AliTrackReference*)RunArrayTR->At(iTrackRef); | |
789 | // | |
790 | if (trackRef->Pt() < fgPtCut) continue; | |
791 | Int_t label = trackRef->GetTrack(); | |
792 | if (label<0 || label > fNParticles) { | |
793 | continue; | |
794 | } | |
795 | if (trackRef->R()>450) continue; //not decay in TPC | |
796 | if (trackRef->Z()>450) continue; //not decay in TPC | |
797 | if (!trackRef->TestBit(BIT(2))) continue; //if not decay | |
798 | ||
799 | if (label>=fgMaxTR) continue; //restricted size of buffer for TR | |
800 | fDecayRef[label] = *trackRef; | |
801 | } | |
802 | ||
7699f61f | 803 | } |
e0d98ba6 | 804 | TPCArrayTR->Delete(); |
805 | delete TPCArrayTR; | |
806 | RunArrayTR->Delete(); | |
807 | delete RunArrayTR; | |
808 | ||
7699f61f | 809 | return 0; |
810 | } | |
811 | ||
812 | //////////////////////////////////////////////////////////////////////// | |
813 | Float_t TPCFindGenTracks::TR2LocalX(AliTrackReference *trackRef, | |
814 | AliTPCParam *paramTPC) { | |
815 | ||
816 | Float_t x[3] = { trackRef->X(),trackRef->Y(),trackRef->Z()}; | |
817 | Int_t index[4]; | |
818 | paramTPC->Transform0to1(x,index); | |
819 | paramTPC->Transform1to2(x,index); | |
820 | return x[0]; | |
821 | } | |
822 | //////////////////////////////////////////////////////////////////////// | |
823 | ||
824 | ||
825 | ||
826 | ||
827 | //////////////////////////////////////////////////////////////////////// | |
828 | TPCCmpTr::TPCCmpTr() | |
829 | { | |
830 | Reset(); | |
831 | } | |
832 | ||
833 | //////////////////////////////////////////////////////////////////////// | |
e0d98ba6 | 834 | TPCCmpTr::TPCCmpTr(const char* fnGenTracks, |
835 | const char* fnCmp, | |
836 | const char* fnGalice, | |
7699f61f | 837 | Int_t nEvents, Int_t firstEvent) |
838 | { | |
839 | Reset(); | |
e0d98ba6 | 840 | // fFnGenTracks = fnGenTracks; |
841 | // fFnCmp = fnCmp; | |
842 | sprintf(fFnGenTracks,"%s",fnGenTracks); | |
843 | sprintf(fFnCmp,"%s",fnCmp); | |
844 | ||
7699f61f | 845 | fFirstEventNr = firstEvent; |
846 | fEventNr = firstEvent; | |
847 | fNEvents = nEvents; | |
848 | ||
849 | // | |
850 | fLoader = AliRunLoader::Open(fnGalice); | |
851 | if (gAlice){ | |
e0d98ba6 | 852 | //delete gAlice->GetRunLoader(); |
7699f61f | 853 | delete gAlice; |
854 | gAlice = 0x0; | |
855 | } | |
856 | if (fLoader->LoadgAlice()){ | |
857 | cerr<<"Error occured while l"<<endl; | |
858 | } | |
859 | Int_t nall = fLoader->GetNumberOfEvents(); | |
e0d98ba6 | 860 | if (nEvents==0) { |
861 | nEvents =nall; | |
862 | fNEvents=nall; | |
863 | fFirstEventNr=0; | |
864 | } | |
865 | ||
7699f61f | 866 | if (nall<=0){ |
867 | cerr<<"no events available"<<endl; | |
868 | fEventNr = 0; | |
869 | return; | |
870 | } | |
871 | if (firstEvent+nEvents>nall) { | |
872 | fEventNr = nall-firstEvent; | |
873 | cerr<<"restricted number of events availaible"<<endl; | |
874 | } | |
927d593f | 875 | AliMagF * magf = gAlice->Field(); |
876 | AliTracker::SetFieldMap(magf); | |
877 | ||
7699f61f | 878 | } |
879 | ||
e0d98ba6 | 880 | |
881 | //////////////////////////////////////////////////////////////////////// | |
882 | TPCCmpTr::~TPCCmpTr() | |
883 | { | |
884 | if (fLoader) { | |
885 | delete fLoader; | |
886 | } | |
887 | } | |
888 | ||
7699f61f | 889 | ////////////////////////////////////////////////////////////// |
890 | Int_t TPCCmpTr::SetIO() | |
891 | { | |
892 | // | |
893 | // | |
894 | CreateTreeCmp(); | |
895 | if (!fTreeCmp) return 1; | |
7699f61f | 896 | fParamTPC = GetTPCParam(); |
897 | // | |
898 | if (!ConnectGenTree()) { | |
899 | cerr<<"Cannot connect tree with generated tracks"<<endl; | |
900 | return 1; | |
901 | } | |
902 | return 0; | |
903 | } | |
904 | ||
905 | ////////////////////////////////////////////////////////////// | |
906 | ||
907 | Int_t TPCCmpTr::SetIO(Int_t eventNr) | |
908 | { | |
909 | // | |
910 | // | |
911 | // SET INPUT | |
e0d98ba6 | 912 | //gAlice->GetEvent(eventNr); |
7699f61f | 913 | fLoader->SetEventNumber(eventNr); |
914 | // | |
915 | AliTPCLoader * tpcl = (AliTPCLoader*)fLoader->GetLoader("TPCLoader"); | |
916 | tpcl->LoadTracks(); | |
917 | fTreeRecTracks = tpcl->TreeT(); | |
918 | // | |
919 | return 0; | |
920 | } | |
921 | ||
922 | ||
923 | ||
924 | //////////////////////////////////////////////////////////////////////// | |
925 | void TPCCmpTr::Reset() | |
926 | { | |
927 | fEventNr = 0; | |
928 | fNEvents = 0; | |
929 | fTreeCmp = 0; | |
e0d98ba6 | 930 | // fFnCmp = "cmpTracks.root"; |
7699f61f | 931 | fFileGenTracks = 0; |
932 | fDebug = 0; | |
933 | // | |
934 | fParamTPC = 0; | |
935 | fTreeRecTracks = 0; | |
936 | fTreePoints =0; | |
937 | ||
938 | fTPCTrack = 0; | |
939 | fTracks = 0; | |
940 | fTrackPoints =0; | |
941 | } | |
e0d98ba6 | 942 | |
7699f61f | 943 | //////////////////////////////////////////////////////////////////////// |
944 | Int_t TPCCmpTr::Exec(Int_t nEvents, Int_t firstEventNr) | |
945 | { | |
946 | fNEvents = nEvents; | |
947 | fFirstEventNr = firstEventNr; | |
948 | return Exec(); | |
949 | } | |
950 | ||
951 | //////////////////////////////////////////////////////////////////////// | |
952 | Int_t TPCCmpTr::Exec() | |
953 | { | |
954 | TStopwatch timer; | |
955 | timer.Start(); | |
956 | ||
957 | if (SetIO()==1) | |
958 | return 1; | |
959 | ||
960 | fNextTreeGenEntryToRead = 0; | |
961 | cerr<<"fFirstEventNr, fNEvents: "<<fFirstEventNr<<" "<<fNEvents<<endl; | |
962 | for (Int_t eventNr = fFirstEventNr; eventNr < fFirstEventNr+fNEvents; | |
963 | eventNr++) { | |
964 | SetIO(fEventNr); | |
965 | fNParticles = gAlice->GetEvent(fEventNr); | |
966 | ||
967 | fIndexRecTracks = new Int_t[fNParticles*4]; //write at maximum 4 tracks corresponding to particle | |
968 | fFakeRecTracks = new Int_t[fNParticles]; | |
969 | fMultiRecTracks = new Int_t[fNParticles]; | |
970 | for (Int_t i = 0; i<fNParticles; i++) { | |
971 | fIndexRecTracks[4*i] = -1; | |
972 | fIndexRecTracks[4*i+1] = -1; | |
973 | fIndexRecTracks[4*i+2] = -1; | |
974 | fIndexRecTracks[4*i+3] = -1; | |
975 | ||
976 | fFakeRecTracks[i] = 0; | |
977 | fMultiRecTracks[i] = 0; | |
978 | } | |
979 | ||
980 | cout<<"Start to process event "<<fEventNr<<endl; | |
981 | cout<<"\tfNParticles = "<<fNParticles<<endl; | |
982 | if (fDebug>2) cout<<"\tStart loop over TreeT"<<endl; | |
983 | if (TreeTLoop(eventNr)>0) return 1; | |
984 | ||
985 | if (fDebug>2) cout<<"\tStart loop over tree genTracks"<<endl; | |
986 | if (TreeGenLoop(eventNr)>0) return 1; | |
987 | if (fDebug>2) cout<<"\tEnd loop over tree genTracks"<<endl; | |
988 | ||
989 | delete fTreeRecTracks; | |
990 | delete [] fIndexRecTracks; | |
991 | delete [] fFakeRecTracks; | |
992 | delete [] fMultiRecTracks; | |
993 | } | |
994 | ||
995 | CloseOutputFile(); | |
996 | ||
997 | cerr<<"Exec finished"<<endl; | |
7699f61f | 998 | timer.Stop(); |
999 | timer.Print(); | |
1000 | return 0; | |
e0d98ba6 | 1001 | |
7699f61f | 1002 | } |
1003 | //////////////////////////////////////////////////////////////////////// | |
1004 | Bool_t TPCCmpTr::ConnectGenTree() | |
1005 | { | |
1006 | // | |
1007 | // connect all branches from the genTracksTree | |
1008 | // use the same variables as for the new cmp tree, it may work | |
1009 | // | |
1010 | fFileGenTracks = TFile::Open(fFnGenTracks,"READ"); | |
1011 | if (!fFileGenTracks) { | |
1012 | cerr<<"Error in ConnectGenTree: cannot open file "<<fFnGenTracks<<endl; | |
1013 | return kFALSE; | |
1014 | } | |
1015 | fTreeGenTracks = (TTree*)fFileGenTracks->Get("genTracksTree"); | |
1016 | if (!fTreeGenTracks) { | |
1017 | cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file " | |
1018 | <<fFnGenTracks<<endl; | |
1019 | return kFALSE; | |
1020 | } | |
1021 | // | |
1022 | fMCInfo = new AliTPCGenInfo; | |
1023 | fMCInfo->fReferences = new TClonesArray("AliTrackReference"); | |
1024 | fTreeGenTracks->SetBranchAddress("MC",&fMCInfo); | |
1025 | ||
1026 | // | |
1027 | //fTreeGenTracks->SetBranchAddress("fEventNr",&fEventNr); | |
1028 | ||
1029 | ||
1030 | if (fDebug > 1) { | |
1031 | cout<<"Number of gen. tracks with TR: "<<fTreeGenTracks->GetEntries()<<endl; | |
1032 | } | |
1033 | return kTRUE; | |
1034 | } | |
1035 | ||
1036 | ||
1037 | //////////////////////////////////////////////////////////////////////// | |
1038 | void TPCCmpTr::CreateTreeCmp() | |
1039 | { | |
1040 | fFileCmp = TFile::Open(fFnCmp,"RECREATE"); | |
1041 | if (!fFileCmp) { | |
1042 | cerr<<"Error in CreateTreeCmp: cannot open file "<<fFnCmp<<endl; | |
1043 | return; | |
1044 | } | |
1045 | ||
1046 | ||
1047 | fTreeCmp = new TTree("TPCcmpTracks","TPCcmpTracks"); | |
1048 | // | |
1049 | fMCInfo = new AliTPCGenInfo; | |
1050 | fMCInfo->fReferences = new TClonesArray("AliTrackReference"); | |
1051 | fRecInfo = new AliTPCRecInfo; | |
1052 | // | |
1053 | fTPCTrack = new AliTPCtrack; | |
1054 | // | |
1055 | fTreeCmp->Branch("MC","AliTPCGenInfo",&fMCInfo); | |
1056 | fTreeCmp->Branch("RC","AliTPCRecInfo",&fRecInfo); | |
1057 | fTreeCmp->Branch("fEventNr",&fEventNr,"fEventNr/I"); | |
1058 | fTreeCmp->Branch("fTPCTrack","AliTPCtrack",&fTPCTrack); | |
1059 | // | |
1060 | fTreeCmp->AutoSave(); | |
1061 | ||
1062 | } | |
1063 | //////////////////////////////////////////////////////////////////////// | |
1064 | void TPCCmpTr::CloseOutputFile() | |
1065 | { | |
1066 | if (!fFileCmp) { | |
1067 | cerr<<"File "<<fFnCmp<<" not found as an open file."<<endl; | |
1068 | return; | |
1069 | } | |
1070 | fFileCmp->cd(); | |
1071 | fTreeCmp->Write(); | |
1072 | delete fTreeCmp; | |
1073 | ||
1074 | fFileCmp->Close(); | |
1075 | delete fFileCmp; | |
1076 | return; | |
1077 | } | |
1078 | //////////////////////////////////////////////////////////////////////// | |
1079 | ||
1080 | TVector3 TPCCmpTr::TR2Local(AliTrackReference *trackRef, | |
1081 | AliTPCParam *paramTPC) { | |
1082 | ||
1083 | Float_t x[3] = { trackRef->X(),trackRef->Y(),trackRef->Z()}; | |
1084 | Int_t index[4]; | |
1085 | paramTPC->Transform0to1(x,index); | |
1086 | paramTPC->Transform1to2(x,index); | |
1087 | return TVector3(x); | |
1088 | } | |
1089 | //////////////////////////////////////////////////////////////////////// | |
1090 | ||
1091 | Int_t TPCCmpTr::TreeTLoop(Int_t eventNr) | |
1092 | { | |
1093 | // | |
1094 | // loop over all TPC reconstructed tracks and store info in memory | |
1095 | // | |
e0d98ba6 | 1096 | TStopwatch timer; |
1097 | timer.Start(); | |
7699f61f | 1098 | |
1099 | if (!fTreeRecTracks) { | |
1100 | cerr<<"Can't get a tree with TPC rec. tracks "<<endl; | |
1101 | return 1; | |
1102 | } | |
1103 | //fTreePoints=(TTree*)fFileRecTracks->Get("trackDebug"); | |
1104 | ||
1105 | Int_t nEntries = (Int_t) fTreeRecTracks->GetEntries(); | |
1106 | if (fDebug > 2) cout<<"Event, rec. tracks: "<<eventNr<<" " | |
1107 | <<nEntries<<endl; | |
1108 | TBranch * br= fTreeRecTracks->GetBranch("tracks"); | |
1109 | br->SetAddress(&fTPCTrack); | |
1110 | TBranch *brp = 0; | |
1111 | if (fTreePoints) brp = fTreePoints->GetBranch("debug"); | |
1112 | ||
1113 | if (fTracks){ | |
1114 | fTracks->Delete(); | |
1115 | delete fTracks; | |
1116 | } | |
1117 | if (fTrackPoints){ | |
1118 | fTrackPoints->Delete(); | |
1119 | delete fTrackPoints; | |
1120 | fTrackPoints =0; | |
1121 | } | |
1122 | fTracks = new TObjArray(nEntries); | |
1123 | if (brp){ | |
1124 | fTrackPoints = new TObjArray(nEntries); | |
1125 | } | |
1126 | else fTrackPoints = 0; | |
1127 | ||
1128 | // | |
1129 | //load tracks to the memory | |
1130 | for (Int_t i=0; i<nEntries;i++){ | |
1131 | AliTPCtrack * track = new AliTPCtrack; | |
1132 | br->SetAddress(&track); | |
1133 | br->GetEntry(i); | |
1134 | fTracks->AddAt(track,i); | |
1135 | } | |
1136 | // | |
1137 | //load track points to the memory | |
1138 | if (brp) for (Int_t i=0; i<nEntries;i++){ | |
1139 | TClonesArray * arr = new TClonesArray("AliTPCTrackPoint2"); | |
1140 | brp->SetAddress(&arr); | |
1141 | brp->GetEntry(i); | |
1142 | if (arr!=0) | |
1143 | for (Int_t j=0;j<arr->GetEntriesFast();j++){ | |
1144 | AliTPCTrackPoint2 * point = (AliTPCTrackPoint2*)arr->UncheckedAt(j); | |
1145 | if (point && point->fID>=0){ | |
1146 | fTrackPoints->AddAt(arr,point->fID); | |
1147 | break; | |
1148 | } | |
1149 | } | |
1150 | } | |
1151 | // | |
1152 | ||
1153 | // | |
1154 | for (Int_t iEntry=0; iEntry<nEntries;iEntry++){ | |
1155 | //br->GetEntry(iEntry); | |
1156 | fTPCTrack = (AliTPCtrack*)fTracks->UncheckedAt(iEntry); | |
1157 | // | |
1158 | Int_t label = fTPCTrack->GetLabel(); | |
1159 | Int_t absLabel = abs(label); | |
1160 | if (absLabel < fNParticles) { | |
1161 | // fIndexRecTracks[absLabel] = iEntry; | |
1162 | if (label < 0) fFakeRecTracks[absLabel]++; | |
1163 | ||
1164 | if (fMultiRecTracks[absLabel]>0){ | |
1165 | if (fMultiRecTracks[absLabel]<4) | |
1166 | fIndexRecTracks[absLabel*4+fMultiRecTracks[absLabel]] = iEntry; | |
1167 | } | |
1168 | else | |
1169 | fIndexRecTracks[absLabel*4] = iEntry; | |
1170 | fMultiRecTracks[absLabel]++; | |
1171 | } | |
1172 | } | |
e0d98ba6 | 1173 | printf("Time spended in TreeTLoop\n"); |
1174 | timer.Print(); | |
1175 | ||
7699f61f | 1176 | if (fDebug > 2) cerr<<"end of TreeTLoop"<<endl; |
1177 | ||
1178 | return 0; | |
1179 | } | |
1180 | //////////////////////////////////////////////////////////////////////// | |
1181 | Int_t TPCCmpTr::TreeGenLoop(Int_t eventNr) | |
1182 | { | |
1183 | // | |
1184 | // loop over all entries for a given event, find corresponding | |
1185 | // rec. track and store in the fTreeCmp | |
1186 | // | |
e0d98ba6 | 1187 | TStopwatch timer; |
1188 | timer.Start(); | |
7699f61f | 1189 | Int_t entry = fNextTreeGenEntryToRead; |
1190 | Double_t nParticlesTR = fTreeGenTracks->GetEntriesFast(); | |
1191 | cerr<<"fNParticles, nParticlesTR, fNextTreeGenEntryToRead: "<<fNParticles<<" " | |
1192 | <<nParticlesTR<<" "<<fNextTreeGenEntryToRead<<endl; | |
1193 | TBranch * branch = fTreeCmp->GetBranch("RC"); | |
e0d98ba6 | 1194 | branch->SetAddress(&fRecInfo); // set all pointers |
1195 | ||
7699f61f | 1196 | while (entry < nParticlesTR) { |
1197 | fTreeGenTracks->GetEntry(entry); | |
1198 | entry++; | |
1199 | if (fEventNr < eventNr) continue; | |
1200 | if (fEventNr > eventNr) break; | |
1201 | fNextTreeGenEntryToRead = entry-1; | |
1202 | if (fDebug > 2 && fMCInfo->fLabel < 10) { | |
1203 | cerr<<"Fill track with a label "<<fMCInfo->fLabel<<endl; | |
1204 | } | |
1205 | ||
1206 | fRecInfo->Reset(); | |
1207 | ||
1208 | ||
1209 | if (fIndexRecTracks[fMCInfo->fLabel*4] >= 0) { | |
1210 | fTPCTrack= (AliTPCtrack*)fTracks->UncheckedAt(fIndexRecTracks[fMCInfo->fLabel*4]); | |
1211 | ||
1212 | // if (nBytes > 0) { | |
1213 | if (fTPCTrack) { | |
1214 | // | |
1215 | TVector3 local = TR2Local(&(fMCInfo->fTrackRef),fParamTPC); | |
1216 | local.GetXYZ(fRecInfo->fTRLocalCoord); | |
1217 | // | |
1218 | // find nearest track if multifound | |
1219 | if (fIndexRecTracks[fMCInfo->fLabel*4]+1){ | |
1220 | Float_t dz = TMath::Abs(local.Z()-fTPCTrack->GetZ()); | |
1221 | for (Int_t i=1;i<4;i++){ | |
1222 | if (fIndexRecTracks[fMCInfo->fLabel*4+i]>=0){ | |
1223 | AliTPCtrack * track = (AliTPCtrack*)fTracks->UncheckedAt(fIndexRecTracks[fMCInfo->fLabel*4+i]); | |
1224 | if (TMath::Abs(local.Z()-track->GetZ())<dz) | |
1225 | fTPCTrack = track; | |
1226 | } | |
1227 | } | |
1228 | } | |
1229 | fRecInfo->fTP=0; | |
1230 | if (fTrackPoints){ | |
1231 | Int_t id = fTPCTrack->GetUniqueID(); | |
1232 | if (fTrackPoints->UncheckedAt(id)){ | |
1233 | fRecInfo->fTP = (TClonesArray*)fTrackPoints->UncheckedAt(id); | |
1234 | // fTrackPoints->AddAt(0,id); //not owner anymore | |
1235 | } | |
1236 | } | |
1237 | fRecInfo->fTPCTrack =*fTPCTrack; | |
1238 | fRecInfo->fReconstructed = 1; | |
1239 | fRecInfo->fFake = fFakeRecTracks[fMCInfo->fLabel]; | |
1240 | fRecInfo->fMultiple = fMultiRecTracks[fMCInfo->fLabel]; | |
1241 | fRecInfo->fdEdx = fTPCTrack->GetdEdx(); | |
1242 | // | |
1243 | fRecInfo->fTPCTrack.PropagateTo(local.X()); | |
1244 | Double_t par[5]; | |
1245 | // | |
1246 | Double_t localX = local.X(); | |
1247 | fTPCTrack->GetExternalParameters(localX,par); | |
1248 | fRecInfo->fRecPhi=TMath::ASin(par[2]) + fTPCTrack->GetAlpha(); | |
927d593f | 1249 | if (fRecInfo->fRecPhi<0) fRecInfo->fRecPhi+=2*TMath::Pi(); |
1250 | if (fRecInfo->fRecPhi>=2*TMath::Pi()) fRecInfo->fRecPhi-=2*TMath::Pi(); | |
7699f61f | 1251 | // fRecInfo->fRecPhi = (fRecInfo->fRecPhi)*kRaddeg; |
1252 | fRecInfo->fLambda = TMath::ATan(par[3]); | |
1253 | fRecInfo->fRecPt_1 = TMath::Abs(par[4]); | |
1254 | } | |
1255 | ||
1256 | } | |
1257 | ||
7699f61f | 1258 | fTreeCmp->Fill(); |
7699f61f | 1259 | } |
1260 | fTreeCmp->AutoSave(); | |
1261 | fTracks->Delete(); | |
1262 | fTPCTrack =0; | |
1263 | if (fTrackPoints){ | |
1264 | fTrackPoints->Delete(); | |
1265 | delete fTrackPoints; | |
1266 | fTrackPoints =0; | |
e0d98ba6 | 1267 | } |
1268 | printf("Time spended in TreeKLoop\n"); | |
1269 | timer.Print(); | |
7699f61f | 1270 | if (fDebug > 2) cerr<<"end of TreeKLoop"<<endl; |
1271 | ||
1272 | return 0; | |
1273 | } | |
1274 | //////////////////////////////////////////////////////////////////////// | |
e0d98ba6 | 1275 | //////////////////////////////////////////////////////////////////////// |
1276 | ||
1277 | void AliTPCComparisonDraw::SetIO(const char *fname) | |
1278 | { | |
1279 | // | |
1280 | TFile* file = TFile::Open(fname); | |
1281 | if (!file) { | |
1282 | printf("Could not open file - generated new one\n"); | |
1283 | TFile* filegen = TFile::Open("genTracks.root"); | |
1284 | if (!filegen){ | |
1285 | printf("FILE with MC information is generated\n"); | |
1286 | TPCFindGenTracks *t = new TPCFindGenTracks("galice.root","genTracks.root",0); | |
1287 | t->Exec(); | |
1288 | delete t; | |
1289 | } | |
1290 | filegen = TFile::Open("genTracks.root"); | |
1291 | if (!filegen){ | |
1292 | printf("COMPARISON FILE COULDNT BE GENERATED \n"); | |
1293 | return; | |
1294 | } | |
1295 | printf("COMPARISON FILE IS GENERATED \n"); | |
1296 | TPCCmpTr *t2 = new TPCCmpTr("genTracks.root","cmpTracks.root","galice.root",0); | |
1297 | t2->Exec(); | |
1298 | } | |
1299 | file = TFile::Open(fname); | |
1300 | if (!file){ | |
1301 | printf("Comparison file couldn't be generated\n"); | |
1302 | return; | |
1303 | } | |
1304 | // | |
1305 | fTree = (TTree*) file->Get("TPCcmpTracks"); | |
1306 | if (!fTree) { | |
1307 | printf("no track comparison tree found\n"); | |
1308 | file->Close(); | |
1309 | delete file; | |
1310 | } | |
1311 | } | |
1312 | ||
1313 | void AliTPCComparisonDraw::ResPt() | |
1314 | { | |
1315 | // | |
1316 | // | |
1317 | gStyle->SetOptFit(); | |
1318 | TCanvas *c1=new TCanvas("TPC pt resolution","TPC pt resolution",0,0,700,850); | |
1319 | c1->Draw(); c1->cd(); | |
1320 | TPad *p1=new TPad("p1","p1",0.01,0.51,.99,.99); | |
1321 | p1->Draw();p1->cd(); | |
1322 | p1->SetGridx(); p1->SetGridy(); | |
1323 | // | |
1324 | c1->cd(); | |
1325 | TPad *p2=new TPad("p2","p2",0.01,0.01,.99,.49); | |
1326 | p2->Draw();p2->cd(); | |
1327 | p2->SetGridx(); p2->SetGridy(); | |
1328 | // | |
1329 | //Default cuts | |
1330 | TCut cprim("cprim","MC.fVDist[3]<1"); | |
1331 | TCut cnprim("cnprim","MC.fVDist[3]>1"); | |
1332 | TCut cteta1("cteta1","abs(MC.fTrackRef.Theta()/3.1415-0.5)<0.25"); | |
1333 | TCut cpos1("cpos1","abs(MC.fParticle.fVz/sqrt(MC.fParticle.fVx*MC.fParticle.fVx+MC.fParticle.fVy*MC.fParticle.fVy))<1"); | |
1334 | // | |
1335 | c1->cd(); p1->cd(); | |
1336 | TH1F* hisp = ResPtvsPt("MC.fRowsWithDigits>100"+cteta1+cpos1,"1",0.15,2.,6); | |
1337 | c1->cd(); | |
1338 | c1->Draw(); | |
1339 | p1->cd(); | |
1340 | p1->Draw(); | |
1341 | hisp->Draw(); | |
1342 | // | |
1343 | c1->cd(); | |
1344 | c1->Draw(); | |
1345 | p2->cd(); | |
1346 | p2->Draw(); | |
1347 | TH1F* his2 = new TH1F("Ptresolution","Ptresolution",40,-5.,5.); | |
6c23ffed | 1348 | fTree->Draw("100.*(fTPCTrack.Pt()-MC.fTrackRef.Pt())/MC.fTrackRef.Pt()>>Ptresolution","MC.fRowsWithDigits>100&&RC.fTPCTrack.fN>50&&RC.fMultiple==1"+cteta1+cpos1+cprim); |
e0d98ba6 | 1349 | AliLabelAxes(his2, "#Delta p_{t} / p_{t} [%]", "entries"); |
1350 | his2->Fit("gaus"); | |
1351 | his2->Draw(); | |
1352 | ||
1353 | } | |
1354 | ||
1355 | void AliTPCComparisonDraw::Eff() | |
1356 | { | |
1357 | // | |
1358 | // | |
1359 | TCanvas *c1=new TCanvas("TPC efficiency","TPC efficiency",0,0,700,850); | |
1360 | c1->Draw(); c1->cd(); | |
1361 | TPad *p1=new TPad("p1","p1",0.01,0.51,.99,.99); | |
1362 | p1->Draw();p1->cd(); | |
1363 | p1->SetGridx(); p1->SetGridy(); | |
1364 | // | |
1365 | c1->cd(); | |
1366 | TPad *p2=new TPad("p2","p2",0.01,0.01,.99,.49); | |
1367 | p2->Draw();p2->cd(); | |
1368 | p2->SetGridx(); p2->SetGridy(); | |
1369 | // | |
1370 | //Default cuts | |
1371 | TCut cprim("cprim","MC.fVDist[3]<1"); | |
1372 | TCut cnprim("cnprim","MC.fVDist[3]>1"); | |
1373 | TCut cteta1("cteta1","abs(MC.fTrackRef.Theta()/3.1415-0.5)<0.25"); | |
1374 | TCut cpos1("cpos1","abs(MC.fParticle.fVz/sqrt(MC.fParticle.fVx*MC.fParticle.fVx+MC.fParticle.fVy*MC.fParticle.fVy))<1"); | |
1375 | // | |
1376 | c1->cd(); p1->cd(); | |
1377 | TH1F* hisp = EffVsPt("MC.fRowsWithDigits>100"+cteta1+cpos1+cprim,"RC.fTPCTrack.fN>50"); | |
1378 | hisp->Draw(); | |
1379 | //hisp->DrawClone(); | |
1380 | TText * text = new TText(0.25,102.,"Primary particles"); | |
1381 | text->SetTextSize(0.05); | |
1382 | text->Draw(); | |
1383 | // | |
1384 | c1->cd(); p2->cd(); | |
1385 | TH1F* hiss = EffVsPt("MC.fRowsWithDigits>100"+cteta1+cpos1+cnprim,"RC.fTPCTrack.fN>50"); | |
1386 | hiss->Draw(); | |
1387 | //hiss->DrawClone(); | |
1388 | text = new TText(0.25,102.,"Secondary particles"); | |
1389 | text->SetTextSize(0.05); | |
1390 | text->Draw(); | |
1391 | ||
1392 | ||
1393 | } | |
1394 | ||
1395 | ||
1396 | TH1F * AliTPCComparisonDraw::EffVsPt(const char* selection, const char * quality, Float_t min, Float_t max) | |
1397 | { | |
1398 | // | |
1399 | // | |
1400 | Int_t nBins = 10; | |
1401 | Double_t* bins = CreateLogBins(nBins, min, max); | |
1402 | TH1F* hGen = new TH1F("hGen", "gen. tracks", nBins, bins); | |
1403 | TH1F* hRec = new TH1F("hRec", "rec. tracks", nBins, bins); | |
1404 | ||
1405 | fTree->Draw("MC.fParticle.Pt()>>hGen", selection, "groff"); | |
1406 | char selectionRec[256]; | |
1407 | sprintf(selectionRec, "%s && RC.fReconstructed && %s", selection, quality); | |
1408 | fTree->Draw("MC.fParticle.Pt()>>hRec", selectionRec, "groff"); | |
1409 | ||
1410 | TH1F* hEff = CreateEffHisto(hGen, hRec); | |
1411 | AliLabelAxes(hEff, "p_{t} [GeV/c]", "#epsilon [%]"); | |
1412 | ||
1413 | delete hRec; | |
1414 | delete hGen; | |
1415 | delete[] bins; | |
1416 | return hEff; | |
1417 | } | |
1418 | ||
1419 | ||
1420 | TH1F * AliTPCComparisonDraw::EffVsRM(const char* selection, const char * quality, Float_t min, Float_t max, Int_t nBins) | |
1421 | { | |
1422 | // | |
1423 | TH1F* hGen = new TH1F("hGen", "gen. tracks", nBins, min, max); | |
1424 | TH1F* hRec = new TH1F("hRec", "rec. tracks", nBins, min, max); | |
1425 | // | |
1426 | fTree->Draw("sqrt(MC.fDecayCoord[0]*MC.fDecayCoord[0] + MC.fDecayCoord[1]*MC.fDecayCoord[1])>>hGen", selection, "groff"); | |
1427 | char selectionRec[256]; | |
1428 | sprintf(selectionRec, "%s && RC.fReconstructed && %s", selection, quality); | |
1429 | fTree->Draw("sqrt(MC.fDecayCoord[0]*MC.fDecayCoord[0] + MC.fDecayCoord[1]*MC.fDecayCoord[1])>>hRec", selectionRec, "groff"); | |
1430 | // | |
1431 | TH1F* hEff = CreateEffHisto(hGen, hRec); | |
1432 | AliLabelAxes(hEff, "r_{vertex} [cm]", "#epsilon [%]"); | |
1433 | // | |
1434 | delete hRec; | |
1435 | delete hGen; | |
1436 | return hEff; | |
1437 | } | |
1438 | ||
1439 | TH1F * AliTPCComparisonDraw::EffVsRS(const char* selection, const char * quality, Float_t min, Float_t max, Int_t nBins) | |
1440 | { | |
1441 | // | |
1442 | TH1F* hGen = new TH1F("hGen", "gen. tracks", nBins, min, max); | |
1443 | TH1F* hRec = new TH1F("hRec", "rec. tracks", nBins, min, max); | |
1444 | // | |
1445 | fTree->Draw("sqrt(MC.fVDist[0]*MC.fVDist[0] + MC.fVDist[1]*MC.fVDist[1])>>hGen", selection, "groff"); | |
1446 | char selectionRec[256]; | |
1447 | sprintf(selectionRec, "%s && RC.fReconstructed && %s", selection, quality); | |
1448 | fTree->Draw("sqrt(MC.fVDist[0]*MC.fVDist[0] + MC.fVDist[1]*MC.fVDist[1])>>hRec", selectionRec, "groff"); | |
1449 | // | |
1450 | TH1F* hEff = CreateEffHisto(hGen, hRec); | |
1451 | AliLabelAxes(hEff, "r_{vertex} [cm]", "#epsilon [%]"); | |
1452 | // | |
1453 | delete hRec; | |
1454 | delete hGen; | |
1455 | return hEff; | |
1456 | ||
1457 | } | |
1458 | ||
1459 | TH1F * AliTPCComparisonDraw::ResPtvsPt(const char* selection, const char * quality, Float_t min, Float_t max, Int_t nBins) | |
1460 | { | |
1461 | // | |
1462 | Double_t* bins = CreateLogBins(nBins, min, max); | |
1463 | Int_t nBinsRes = 30; | |
1464 | Double_t maxRes = 10.; | |
1465 | TH2F* hRes2 = new TH2F("hRes2", "residuals", nBins, bins, nBinsRes, -maxRes, maxRes); | |
1466 | ||
6c23ffed | 1467 | fTree->Draw("100.*(fTPCTrack.Pt()-MC.fTrackRef.Pt())/MC.fTrackRef.Pt():MC.fTrackRef.Pt()>>hRes2", selection, "groff"); |
e0d98ba6 | 1468 | |
1469 | TH1F* hMean=0; | |
1470 | TH1F* hRes = CreateResHisto(hRes2, &hMean); | |
1471 | AliLabelAxes(hRes, "p_{t} [GeV/c]", "#Delta p_{t} / p_{t} [%]"); | |
1472 | // | |
1473 | delete hRes2; | |
1474 | delete[] bins; | |
1475 | return hRes; | |
1476 | ||
1477 | } | |
1478 | ||
1479 | TH1F * AliTPCComparisonDraw::MeanPtvsPt(const char* selection, const char * quality, Float_t min, Float_t max, Int_t nBins) | |
1480 | { | |
1481 | // | |
1482 | Double_t* bins = CreateLogBins(nBins, min, max); | |
1483 | Int_t nBinsRes = 30; | |
1484 | Double_t maxRes = 10.; | |
1485 | TH2F* hRes2 = new TH2F("hRes2", "residuals", nBins, bins, nBinsRes, -maxRes, maxRes); | |
1486 | ||
6c23ffed | 1487 | fTree->Draw("100.*(fTPCTrack.Pt()-MC.fTrackRef.Pt())/MC.fTrackRef.Pt():MC.fTrackRef.Pt()>>hRes2", selection, "groff"); |
e0d98ba6 | 1488 | |
1489 | TH1F* hMean=0; | |
1490 | TH1F* hRes = CreateResHisto(hRes2, &hMean); | |
1491 | AliLabelAxes(hRes, "p_{t} [GeV/c]", "mean p_{t} / p_{t} [%]"); | |
1492 | // | |
1493 | delete hRes2; | |
1494 | delete[] bins; | |
1495 | if (!hMean) return 0; | |
1496 | return hMean; | |
1497 | ||
1498 | } | |
1499 | ||
1500 | ||
1501 | TH1F * AliTPCComparisonDraw::ResdEdxvsN(const char* selection, const char * quality, Float_t min, Float_t max, Int_t nBins) | |
1502 | { | |
1503 | // | |
1504 | Int_t nBinsRes = 15; | |
1505 | ||
1506 | TH2F* hRes2 = new TH2F("hRes2", "residuals", nBins, min, max, nBinsRes, 34, 60); | |
1507 | ||
1508 | fTree->Draw("RC.fTPCTrack.fdEdx/MC.fPrim:RC.fTPCTrack.fN>>hRes2", selection, "groff"); | |
1509 | ||
1510 | TH1F* hMean=0; | |
1511 | TH1F* hRes = CreateResHisto(hRes2, &hMean); | |
1512 | AliLabelAxes(hRes, "N points", "sigma dEdx/Nprim [%]"); | |
1513 | // | |
1514 | delete hRes2; | |
1515 | return hRes; | |
1516 | ||
1517 | } | |
1518 | ||
1519 | ||
1520 | ||
1521 | Double_t* AliTPCComparisonDraw::CreateLogBins(Int_t nBins, Double_t xMin, Double_t xMax) | |
1522 | { | |
1523 | Double_t* bins = new Double_t[nBins+1]; | |
1524 | bins[0] = xMin; | |
1525 | Double_t factor = pow(xMax/xMin, 1./nBins); | |
1526 | for (Int_t i = 1; i <= nBins; i++) | |
1527 | bins[i] = factor * bins[i-1]; | |
1528 | return bins; | |
1529 | } | |
1530 | ||
1531 | ||
1532 | ||
1533 | ||
1534 | void AliTPCComparisonDraw::AliLabelAxes(TH1* histo, const char* xAxisTitle, const char* yAxisTitle) | |
1535 | { | |
1536 | // | |
1537 | histo->GetXaxis()->SetTitle(xAxisTitle); | |
1538 | histo->GetYaxis()->SetTitle(yAxisTitle); | |
1539 | } | |
1540 | ||
1541 | ||
1542 | TH1F* AliTPCComparisonDraw::CreateEffHisto(TH1F* hGen, TH1F* hRec) | |
1543 | { | |
1544 | // | |
1545 | Int_t nBins = hGen->GetNbinsX(); | |
1546 | TH1F* hEff = (TH1F*) hGen->Clone("hEff"); | |
1547 | hEff->SetTitle(""); | |
1548 | hEff->SetStats(kFALSE); | |
1549 | hEff->SetMinimum(0.); | |
1550 | hEff->SetMaximum(110.); | |
1551 | // | |
1552 | for (Int_t iBin = 0; iBin <= nBins; iBin++) { | |
1553 | Double_t nGen = hGen->GetBinContent(iBin); | |
1554 | Double_t nRec = hRec->GetBinContent(iBin); | |
1555 | if (nGen > 0) { | |
1556 | Double_t eff = nRec/nGen; | |
1557 | hEff->SetBinContent(iBin, 100. * eff); | |
1558 | Double_t error = sqrt((eff*(1.-eff)+0.01) / nGen); | |
1559 | // if (error == 0) error = sqrt(0.1/nGen); | |
1560 | // | |
1561 | if (error == 0) error = 0.0001; | |
1562 | hEff->SetBinError(iBin, 100. * error); | |
1563 | } else { | |
1564 | hEff->SetBinContent(iBin, 100. * 0.5); | |
1565 | hEff->SetBinError(iBin, 100. * 0.5); | |
1566 | } | |
1567 | } | |
1568 | return hEff; | |
1569 | } | |
1570 | ||
1571 | ||
1572 | ||
1573 | TH1F* AliTPCComparisonDraw::CreateResHisto(TH2F* hRes2, TH1F **phMean, Bool_t drawBinFits, | |
1574 | Bool_t overflowBinFits) | |
1575 | { | |
1576 | TVirtualPad* currentPad = gPad; | |
1577 | TAxis* axis = hRes2->GetXaxis(); | |
1578 | Int_t nBins = axis->GetNbins(); | |
1579 | TH1F* hRes, *hMean; | |
1580 | if (axis->GetXbins()->GetSize()){ | |
1581 | hRes = new TH1F("hRes", "", nBins, axis->GetXbins()->GetArray()); | |
1582 | hMean = new TH1F("hMean", "", nBins, axis->GetXbins()->GetArray()); | |
1583 | } | |
1584 | else{ | |
1585 | hRes = new TH1F("hRes", "", nBins, axis->GetXmin(), axis->GetXmax()); | |
1586 | hMean = new TH1F("hMean", "", nBins, axis->GetXmin(), axis->GetXmax()); | |
1587 | ||
1588 | } | |
1589 | hRes->SetStats(false); | |
1590 | hRes->SetOption("E"); | |
1591 | hRes->SetMinimum(0.); | |
1592 | // | |
1593 | hMean->SetStats(false); | |
1594 | hMean->SetOption("E"); | |
1595 | ||
1596 | // create the fit function | |
1597 | //TKFitGaus* fitFunc = new TKFitGaus("resFunc"); | |
1598 | // TF1 * fitFunc = new TF1("G","[3]+[0]*exp(-(x-[1])*(x-[1])/(2.*[2]*[2]))",-3,3); | |
1599 | TF1 * fitFunc = new TF1("G","[0]*exp(-(x-[1])*(x-[1])/(2.*[2]*[2]))",-3,3); | |
1600 | ||
1601 | fitFunc->SetLineWidth(2); | |
1602 | fitFunc->SetFillStyle(0); | |
1603 | // create canvas for fits | |
1604 | TCanvas* canBinFits = NULL; | |
1605 | Int_t nPads = (overflowBinFits) ? nBins+2 : nBins; | |
1606 | Int_t nx = Int_t(sqrt(nPads-1.));// + 1; | |
1607 | Int_t ny = (nPads-1) / nx + 1; | |
1608 | if (drawBinFits) { | |
1609 | canBinFits = (TCanvas*)gROOT->FindObject("canBinFits"); | |
1610 | if (canBinFits) delete canBinFits; | |
1611 | canBinFits = new TCanvas("canBinFits", "fits of bins", 200, 100, 500, 700); | |
1612 | canBinFits->Divide(nx, ny); | |
1613 | } | |
1614 | ||
1615 | // loop over x bins and fit projection | |
1616 | Int_t dBin = ((overflowBinFits) ? 1 : 0); | |
1617 | for (Int_t bin = 1-dBin; bin <= nBins+dBin; bin++) { | |
1618 | if (drawBinFits) canBinFits->cd(bin + dBin); | |
1619 | TH1D* hBin = hRes2->ProjectionY("hBin", bin, bin); | |
1620 | // | |
982aff31 | 1621 | if (hBin->GetEntries() > 5) { |
e0d98ba6 | 1622 | fitFunc->SetParameters(hBin->GetMaximum(),hBin->GetMean(),hBin->GetRMS()); |
1623 | hBin->Fit(fitFunc,"s"); | |
1624 | Double_t sigma = TMath::Abs(fitFunc->GetParameter(2)); | |
1625 | ||
1626 | if (sigma > 0.){ | |
1627 | hRes->SetBinContent(bin, TMath::Abs(fitFunc->GetParameter(2))); | |
1628 | hMean->SetBinContent(bin, fitFunc->GetParameter(1)); | |
1629 | } | |
1630 | else{ | |
1631 | hRes->SetBinContent(bin, 0.); | |
1632 | hMean->SetBinContent(bin,0); | |
1633 | } | |
1634 | hRes->SetBinError(bin, fitFunc->GetParError(2)); | |
1635 | hMean->SetBinError(bin, fitFunc->GetParError(1)); | |
1636 | ||
1637 | // | |
1638 | // | |
1639 | ||
1640 | } else { | |
1641 | hRes->SetBinContent(bin, 0.); | |
1642 | hRes->SetBinError(bin, 0.); | |
1643 | hMean->SetBinContent(bin, 0.); | |
1644 | hMean->SetBinError(bin, 0.); | |
1645 | } | |
1646 | ||
1647 | ||
1648 | if (drawBinFits) { | |
1649 | char name[256]; | |
1650 | if (bin == 0) { | |
1651 | sprintf(name, "%s < %.4g", axis->GetTitle(), axis->GetBinUpEdge(bin)); | |
1652 | } else if (bin == nBins+1) { | |
1653 | sprintf(name, "%.4g < %s", axis->GetBinLowEdge(bin), axis->GetTitle()); | |
1654 | } else { | |
1655 | sprintf(name, "%.4g < %s < %.4g", axis->GetBinLowEdge(bin), | |
1656 | axis->GetTitle(), axis->GetBinUpEdge(bin)); | |
1657 | } | |
1658 | canBinFits->cd(bin + dBin); | |
1659 | hBin->SetTitle(name); | |
1660 | hBin->SetStats(kTRUE); | |
1661 | hBin->DrawCopy("E"); | |
1662 | canBinFits->Update(); | |
1663 | canBinFits->Modified(); | |
1664 | canBinFits->Update(); | |
1665 | } | |
1666 | ||
1667 | delete hBin; | |
1668 | } | |
1669 | ||
1670 | delete fitFunc; | |
1671 | currentPad->cd(); | |
1672 | *phMean = hMean; | |
1673 | return hRes; | |
1674 | } | |
1675 | ||
1676 | ||
1677 |