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c7ba256d | 1 | //Authors: Mihaela Gheata, Andrei Gheata 09/10/00 |
2 | ||
3 | #include <iostream.h> | |
4 | #include <AliRun.h> | |
5 | #include <TClonesArray.h> | |
6 | #include "AliMUONRecoEvent.h" | |
7 | #include "AliMUONRecoDisplay.h" | |
8 | #include <TROOT.h> | |
9 | #include <AliPoints.h> | |
10 | #include <TSlider.h> | |
11 | #include <TView.h> | |
12 | #include <TGeometry.h> | |
13 | ||
14 | ClassImp(AliMUONRecoDisplay) | |
15 | ||
16 | //------------------------------------------------------------------- | |
17 | AliMUONRecoDisplay::AliMUONRecoDisplay(Int_t nevent) | |
18 | :AliDisplay(750) | |
19 | { | |
20 | //************ Constructor of the reco. event display********** | |
21 | // get reconstructed event from file | |
22 | fFile = new TFile("tree_reco.root"); | |
23 | if (!fFile) { | |
24 | cout << "File tree_reco.root not found\n"; | |
25 | gApplication->Terminate(0); | |
26 | } | |
27 | fEvReco = 0; | |
28 | fTree = (TTree *) fFile->Get("TreeRecoEvent"); | |
29 | if (!fTree) { | |
30 | cout << "Tree of reconstructed events not found on file. Abort.\n"; | |
31 | gApplication->Terminate(0); | |
32 | } | |
33 | if (nevent > fTree->GetEntries()) { | |
34 | cout << "Event number out of range. Aborting.\n"; | |
35 | gApplication->Terminate(0); | |
36 | } | |
37 | TBranch *branch = fTree->GetBranch("Event"); | |
38 | branch->SetAddress(&fEvReco); | |
39 | ||
40 | fEvGen = new AliMUONRecoEvent(); | |
41 | ||
42 | TFile *galice_file = (TFile*)gROOT->GetListOfFiles()->FindObject("galice.root"); | |
43 | galice_file->cd(); | |
44 | gAlice->GetEvent(nevent); | |
45 | ||
46 | ||
47 | fRecoTracks = 0; | |
48 | fGenTracks = 0; | |
49 | fPolyRecoList = 0; | |
50 | fPolyGenList = 0; | |
51 | fHighlited = -1; | |
52 | fMinMomentum = 0; | |
53 | fMaxMomentum = 999; | |
54 | MapEvent(nevent); | |
55 | } | |
56 | ||
57 | //------------------------------------------------------------------- | |
58 | AliMUONRecoDisplay::~AliMUONRecoDisplay() | |
59 | { | |
60 | // Destructor of display object | |
61 | if (fPolyRecoList) { | |
62 | fPolyRecoList->Delete(); | |
63 | delete fPolyRecoList; | |
64 | } | |
65 | if (fPolyGenList) { | |
66 | fPolyGenList->Delete(); | |
67 | delete fPolyGenList; | |
68 | } | |
69 | delete fEvGen; | |
70 | } | |
71 | ||
72 | //------------------------------------------------------------------- | |
73 | void AliMUONRecoDisplay::MapEvent(Int_t nevent) | |
74 | { | |
75 | // get generated event (nevent) from galice.root and corresponding | |
76 | // reconstructed event from tree_reco.root; | |
77 | cout << "mapping event " << nevent << endl; | |
78 | fFile->cd(); | |
79 | fTree->GetEntry(nevent); | |
80 | // just testing | |
81 | if (!fEvReco) { | |
82 | cout << "failed to load reco event ! Correct this.\n"; | |
83 | gApplication->Terminate(0); | |
84 | } | |
85 | fRecoTracks = fEvReco->TracksPtr(); | |
86 | fPolyRecoList = MakePolyLines3D(fRecoTracks); | |
87 | // clear previous event | |
88 | if (fEvGen) fEvGen->Clear(); | |
89 | fEvGen->SetNoEvent(nevent); | |
90 | // get list of particles | |
91 | TClonesArray *Particles = gAlice->Particles(); | |
92 | // connect MUON module | |
93 | AliDetector *MUON = gAlice->GetDetector("MUON"); | |
94 | if (!MUON) { | |
95 | cout << "MUON module not present.\n"; | |
96 | gApplication->Terminate(0); | |
97 | } | |
98 | // get the number of generated tracks | |
99 | Int_t ntracks = (Int_t)gAlice->TreeH()->GetEntries(); | |
100 | // Fill the fEvGen object | |
101 | AliMUONRecoTrack *gtrack = 0; | |
102 | AliMUONHit *hit = 0; | |
103 | TParticle *particle; | |
104 | Int_t ch; | |
105 | // loop all tracks | |
106 | for (Int_t track=0; track<ntracks; track++) { | |
107 | hit = (AliMUONHit *) MUON->FirstHit(track); | |
108 | if (!hit) continue; | |
109 | particle = (TParticle *) Particles->UncheckedAt(hit->Track()); | |
110 | if (IsReconstructible(track) && TMath::Abs(particle->GetPdgCode())==13) { | |
111 | gtrack = fEvGen->AddEmptyTrack(); | |
112 | gtrack->SetSign(TMath::Sign((Int_t)1, -particle->GetPdgCode())); | |
113 | // reset hits | |
114 | for (ch=0; ch<10; ch++) gtrack->SetHitPosition(ch,0,0,0); | |
115 | // loop all hits | |
116 | for (AliMUONHit *muonHit=(AliMUONHit*)MUON->FirstHit(track); | |
117 | muonHit; | |
118 | muonHit=(AliMUONHit*)MUON->NextHit()) { | |
119 | ch = muonHit->fChamber - 1; | |
120 | if (ch<0 || ch>9) continue; | |
121 | gtrack->SetHitPosition(ch, muonHit->X(), muonHit->Y(), muonHit->Z()); | |
122 | gtrack->SetMomReconstr(particle->Px(), particle->Py(), particle->Pz()); | |
123 | gtrack->SetVertexPos(particle->Vz()); | |
124 | gtrack->SetChi2r(0.0); | |
125 | } | |
126 | } | |
127 | } | |
128 | fGenTracks = fEvGen->TracksPtr(); | |
129 | fPolyGenList = MakePolyLines3D(fGenTracks); | |
130 | } | |
131 | //------------------------------------------------------------------- | |
132 | void AliMUONRecoDisplay::XYPlot() | |
133 | { | |
134 | // Plot reco. tracks hits in all chambers for current event: | |
135 | // - open blue squares : generated muons that were reconstructed accurate | |
136 | // - open cyan squares : generated muons that were not reconstructed | |
137 | // - filled green circles : reco. tracks (accurate) | |
138 | // - filled red squares : fake tracks | |
139 | Double_t kMaxRadius[10]; | |
140 | kMaxRadius[0] = kMaxRadius[1] = 91.5; | |
141 | kMaxRadius[2] = kMaxRadius[3] = 122.5; | |
142 | kMaxRadius[4] = kMaxRadius[5] = 158.3; | |
143 | kMaxRadius[6] = kMaxRadius[7] = 260.0; | |
144 | kMaxRadius[8] = kMaxRadius[9] = 260.0; | |
145 | ||
146 | TH2F *xygen_found[10]; | |
147 | TH2F *xygen_lost[10]; | |
148 | TH2F *xyreco_good[10]; | |
149 | TH2F *xyreco_fake[10]; | |
150 | Double_t x,y,r; | |
151 | Int_t matches[500]; | |
152 | Int_t index, ch; | |
153 | ||
154 | TPad *pad = (TPad*)gROOT->GetSelectedPad(); | |
155 | TCanvas *canvas = new TCanvas("xy", "Reconstruction efficiency"); | |
156 | canvas->Clear(); | |
157 | canvas->cd(); | |
158 | canvas->Divide(3,4); | |
159 | canvas->cd(11); | |
160 | gPad->Delete(); | |
161 | canvas->cd(12); | |
162 | gPad->Delete(); | |
163 | canvas->cd(1); | |
164 | ||
165 | // Define histograms for x-y plots | |
166 | for (ch=0; ch<10; ch++) { | |
167 | xygen_found[ch] = new TH2F("xygen_found","",50,-kMaxRadius[ch],kMaxRadius[ch],50,-kMaxRadius[ch],kMaxRadius[ch]); | |
168 | xygen_lost[ch] = new TH2F("xygen_lost","",50,-kMaxRadius[ch],kMaxRadius[ch],50,-kMaxRadius[ch],kMaxRadius[ch]); | |
169 | xyreco_good[ch] = new TH2F("xyreco_good","",50,-kMaxRadius[ch],kMaxRadius[ch],50,-kMaxRadius[ch],kMaxRadius[ch]); | |
170 | xyreco_fake[ch] = new TH2F("xyreco_fake","",50,-kMaxRadius[ch],kMaxRadius[ch],50,-kMaxRadius[ch],kMaxRadius[ch]); | |
171 | } | |
172 | // find list of matching tracks | |
173 | fPrinted = kTRUE; // no need to print | |
174 | for (index=0; index<fRecoTracks->GetEntriesFast(); index++) { | |
175 | matches[index] = GetBestMatch(index); | |
176 | } | |
177 | // and fill them | |
178 | for (index=0; index<fGenTracks->GetEntriesFast(); index++) { // GEANT | |
179 | Bool_t wasreconst = kFALSE; | |
180 | for (Int_t i=0; i<fRecoTracks->GetEntriesFast(); i++) { | |
181 | if (matches[i] == index) { | |
182 | wasreconst = kTRUE; | |
183 | break; | |
184 | } | |
185 | } | |
186 | AliMUONRecoTrack *current = (AliMUONRecoTrack*)fGenTracks->UncheckedAt(index); | |
187 | for (ch=0; ch<10; ch++) { | |
188 | x = current->GetPosX(ch); | |
189 | y = current->GetPosY(ch); | |
190 | r = TMath::Sqrt(x*x +y*y); | |
191 | if (r >= 10) { | |
192 | if (wasreconst) { | |
193 | xygen_found[ch]->Fill(x,y); | |
194 | } else {xygen_lost[ch]->Fill(x,y);} | |
195 | } | |
196 | } | |
197 | } | |
198 | for (index=0; index<fRecoTracks->GetEntriesFast(); index++) { // reco | |
199 | AliMUONRecoTrack *current = (AliMUONRecoTrack*)fRecoTracks->UncheckedAt(index); | |
200 | for (ch=0; ch<10; ch++) { | |
201 | x = current->GetPosX(ch); | |
202 | y = current->GetPosY(ch); | |
203 | r = TMath::Sqrt(x*x +y*y); | |
204 | if (r >= 10) { | |
205 | if (matches[index] >= 0) { | |
206 | xyreco_good[ch]->Fill(x,y); | |
207 | } else {xyreco_fake[ch]->Fill(x,y);} | |
208 | } | |
209 | } | |
210 | } | |
211 | // finally plot them | |
212 | for (ch=0; ch<10; ch++) { | |
213 | canvas->cd(ch+1); | |
214 | xygen_found[ch]->SetMarkerColor(kBlue); | |
215 | xygen_found[ch]->SetMarkerStyle(4); | |
216 | xygen_found[ch]->SetMarkerSize(0.5); | |
217 | xygen_found[ch]->SetStats(kFALSE); | |
218 | xygen_found[ch]->Draw(); | |
219 | xygen_lost[ch]->SetMarkerColor(kCyan); | |
220 | xygen_lost[ch]->SetMarkerStyle(4); | |
221 | xygen_lost[ch]->SetMarkerSize(0.5); | |
222 | xygen_lost[ch]->SetStats(kFALSE); | |
223 | xygen_lost[ch]->Draw("SAME"); | |
224 | xyreco_good[ch]->SetMarkerColor(kGreen); | |
225 | xyreco_good[ch]->SetMarkerStyle(20); | |
226 | xyreco_good[ch]->SetMarkerSize(0.4); | |
227 | xyreco_good[ch]->SetStats(kFALSE); | |
228 | xyreco_good[ch]->Draw("SAME"); | |
229 | xyreco_fake[ch]->SetMarkerColor(kRed); | |
230 | xyreco_fake[ch]->SetMarkerStyle(20); | |
231 | xyreco_fake[ch]->SetMarkerSize(0.5); | |
232 | xyreco_fake[ch]->SetStats(kFALSE); | |
233 | xyreco_fake[ch]->Draw("SAME"); | |
234 | } | |
235 | canvas->SetTitle("y vs. x for simulated and reconstructed tracks"); | |
236 | pad->cd(); | |
237 | } | |
238 | ||
239 | //------------------------------------------------------------------- | |
240 | void AliMUONRecoDisplay::RecoEfficiency(Int_t first, Int_t last) | |
241 | { | |
242 | // Loop selected reconstructed events, compute efficiency as total number of | |
243 | // reconstructed tracks (accurate) over total number of generated | |
244 | // reconstructible muons. Make histogram for momentum precision and profile | |
245 | // of mean momentum precision versus total momentum (generated) | |
246 | Int_t nevents = (Int_t)fTree->GetEntries(); | |
247 | if (last > nevents) last = nevents - 1; | |
248 | if (first < 0) first = 0; | |
249 | nevents = last - first + 1; | |
250 | Int_t track; | |
251 | Float_t efficiency; | |
252 | Float_t generated=0, found=0, fake=0; // number of generated/found/fake tracks | |
253 | Double_t pgen, preco, dP; // dP=preco-pgen | |
254 | AliMUONRecoTrack *rtrack, *gtrack; // generated/reco. current tracks | |
255 | fPrinted = kTRUE; // no need to print | |
256 | Int_t currentEvent = gAlice->GetHeader()->GetEvent(); | |
257 | ||
258 | TH1F *pReso = new TH1F("Momentum precision", "dP = Prec - Pgen", 100, -5.0, 5.0); | |
259 | pReso->SetXTitle("dP [GeV/c]"); | |
260 | pReso->SetYTitle("dN/dP"); | |
261 | ||
262 | TProfile *dPp = new TProfile("", "dP vs. P", 50, 0, 100, 0, 5); | |
263 | dPp->SetXTitle("P [GeV/c]"); | |
264 | dPp->SetYTitle("<dP> [GeV/c]"); | |
265 | ||
266 | TPad *pad = (TPad*)gROOT->GetSelectedPad(); | |
267 | TCanvas *canvas = new TCanvas("c", "Reconstruction efficiency"); | |
268 | canvas->Divide(1,2); | |
269 | canvas->cd(1); | |
270 | ||
271 | // loop events | |
272 | for (Int_t event=first; event<=last; event++) { | |
273 | // get the reco. & gen. events | |
274 | TFile *galice_file = (TFile*)gROOT->GetListOfFiles()->FindObject("galice.root"); | |
275 | galice_file->cd(); | |
276 | gAlice->GetEvent(event); | |
277 | MapEvent(event); | |
278 | generated += fGenTracks->GetEntriesFast(); | |
279 | // loop reco. tracks | |
280 | for (track=0; track<fRecoTracks->GetEntriesFast(); track++) { | |
281 | rtrack = (AliMUONRecoTrack*)fRecoTracks->UncheckedAt(track); | |
282 | preco = rtrack->P(); | |
283 | // find correspondent generated track | |
284 | Int_t ind = GetBestMatch(track); | |
285 | if (ind >=0) { | |
286 | gtrack = (AliMUONRecoTrack*)fGenTracks->UncheckedAt(ind); | |
287 | pgen = gtrack->P(); | |
288 | found += 1; | |
289 | dP = preco - pgen; | |
290 | pReso->Fill(dP); | |
291 | dPp->Fill(pgen, TMath::Abs(dP)); | |
292 | } else { | |
293 | fake += 1; | |
294 | } | |
295 | } | |
296 | } | |
297 | efficiency = found/generated; | |
298 | cout << "=================================================================\n"; | |
299 | cout << "|| Reconstruction efficiency and momentum precision ||\n"; | |
300 | cout << "=================================================================\n"; | |
301 | cout << "Number of events processed " << nevents << endl; | |
302 | cout << "Total number of reconstructible muons : " << (Int_t)generated << endl; | |
303 | cout << "RECONSTRUCTION EFFICIENCY : " << efficiency*100 << " %" << endl; | |
304 | cout << "Fake track rate : " << 100*fake/generated << " %" << endl; | |
305 | cout << "Momentum precision fit : \n" << endl; | |
306 | pReso->Fit("gaus"); | |
307 | cout << "=================================================================\n"; | |
308 | ||
309 | canvas->cd(1); | |
310 | pReso->Draw(); | |
311 | canvas->cd(2); | |
312 | dPp->Draw("HIST"); | |
313 | pad->cd(); | |
314 | ShowNextEvent(currentEvent-last); | |
315 | } | |
316 | ||
317 | //------------------------------------------------------------------- | |
318 | void AliMUONRecoDisplay::ShowNextEvent(Int_t delta) | |
319 | { | |
320 | // overwritten from AliDisplay in order to get also mapping of next event | |
321 | TFile *galice_file = (TFile*)gROOT->GetListOfFiles()->FindObject("galice.root"); | |
322 | galice_file->cd(); | |
323 | if (delta) { | |
324 | gAlice->Clear(); | |
325 | Int_t currentEvent = gAlice->GetHeader()->GetEvent(); | |
326 | Int_t newEvent = currentEvent + delta; | |
327 | Int_t nparticles = gAlice->GetEvent(newEvent); | |
328 | cout << "Event : " << newEvent << " with " << nparticles << " particles\n"; | |
329 | if (!gAlice->TreeH()) return; | |
330 | MapEvent(newEvent); | |
331 | fHighlited = -1; | |
332 | } | |
333 | LoadPoints(); | |
334 | fPad->cd(); | |
335 | Draw(); | |
336 | if (gROOT->GetListOfCanvases()->FindObject("xy")) XYPlot(); | |
337 | } | |
338 | //------------------------------------------------------------------- | |
339 | Bool_t AliMUONRecoDisplay::IsReconstructible(Int_t track) | |
340 | { | |
341 | // true if at least three hits in first 2 stations, 3 in last 2 stations | |
342 | // and one in station 3 | |
343 | AliDetector *MUON = gAlice->GetDetector("MUON"); | |
344 | Bool_t chHit[10]; | |
345 | Int_t ch; | |
346 | for (ch=0; ch<10; ch++) chHit[ch] = kFALSE; | |
347 | //loop hits | |
348 | for (AliMUONHit *muonHit=(AliMUONHit*)MUON->FirstHit(track); | |
349 | muonHit; | |
350 | muonHit=(AliMUONHit*)MUON->NextHit()) { | |
351 | ch = muonHit->fChamber - 1; | |
352 | if (ch<0 || ch>9) continue; | |
353 | chHit[ch] = kTRUE; | |
354 | } | |
355 | Int_t nhits = 0; | |
356 | for (ch=0; ch<4; ch++) nhits += (chHit[ch])?1:0; | |
357 | if (nhits < 3) return kFALSE; | |
358 | nhits = 0; | |
359 | for (ch=4; ch<6; ch++) nhits+= (chHit[ch])?1:0; | |
360 | if (nhits < 1) return kFALSE; | |
361 | ||
362 | for (ch=7; ch<10; ch++) nhits+= (chHit[ch])?1:0; | |
363 | if (nhits < 3) return kFALSE; | |
364 | return kTRUE; | |
365 | } | |
366 | ||
367 | //------------------------------------------------------------------- | |
368 | void AliMUONRecoDisplay::DrawView(Float_t theta, Float_t phi, Float_t psi) | |
369 | { | |
370 | // ovewritten from base class to change the range for MUON | |
371 | gPad->SetCursor(kWatch); | |
372 | gPad->SetFillColor(1); | |
373 | gPad->Clear(); | |
374 | ||
375 | Int_t iret; | |
376 | TView *view = new TView(1); | |
377 | Float_t range = fRrange*fRangeSlider->GetMaximum(); | |
378 | view->SetRange(-range, -range, 0, range, range, 5*range); | |
379 | fZoomX0[0] = -1; | |
380 | fZoomY0[0] = -1; | |
381 | fZoomX1[0] = 1; | |
382 | fZoomY1[0] = 1; | |
383 | // Display Alice geometry | |
384 | gAlice->GetGeometry()->Draw("same"); | |
385 | //Loop on all detectors to add their products to the pad | |
386 | DrawHits(); | |
387 | // add itself to the list (last) | |
388 | AppendPad(); | |
389 | ||
390 | view->SetView(phi, theta, psi, iret); | |
391 | } | |
392 | //------------------------------------------------------------------- | |
393 | void AliMUONRecoDisplay::SetDrawHits(Bool_t hits) | |
394 | { | |
395 | // Turns on/off Geant hits drawing | |
396 | fDrawHits = hits; | |
397 | DrawView(0,-90); | |
398 | } | |
399 | ||
400 | //------------------------------------------------------------------- | |
401 | void AliMUONRecoDisplay::CutMomentum(Double_t min, Double_t max) | |
402 | { | |
403 | // Define momentum cut for displayed reconstructed tracks | |
404 | fMinMomentum = min; | |
405 | fMaxMomentum = max; | |
406 | if (fHighlited >= 0) UnHighlight(); | |
407 | DrawView(0,-90); | |
408 | } | |
409 | ||
410 | //------------------------------------------------------------------- | |
411 | Int_t AliMUONRecoDisplay::GetBestMatch(Int_t indr, Float_t tolerance) | |
412 | { | |
413 | // Find the index of best Geant track matching a reconstructed track : track | |
414 | // with maximum number of compatible hits (within tolerance*sigma bending and | |
415 | // non-bending resolution) and minimum number of fake hits; | |
416 | // If no match is found within a given tolerance, the method is called recursively | |
417 | // with increasing tolerance, until tolerance = 10; | |
418 | if (indr<0 || indr>=fRecoTracks->GetEntriesFast()) return -1; | |
419 | AliMUONRecoTrack *rtrack = (AliMUONRecoTrack*)fRecoTracks->UncheckedAt(indr); | |
420 | AliMUONRecoTrack *gtrack = 0; | |
421 | Int_t bestMatch = -1; | |
422 | Int_t maxNcompat = 0; | |
423 | Int_t minNfakes = 10; | |
424 | Double_t xrhit,yrhit,radius,xghit,yghit,dX,dY; | |
425 | // loop over all Geant tracks | |
426 | for (Int_t indg=0; indg<fGenTracks->GetEntriesFast(); indg++) { | |
427 | gtrack = (AliMUONRecoTrack*)fGenTracks->UncheckedAt(indg); | |
428 | if (!gtrack) continue; | |
429 | Int_t ncompat = 0; // number of compat. hits for this track | |
430 | Int_t nfake = 0; // number of fakes | |
431 | // loop chambers to find compatible hits | |
432 | for (Int_t ch=0; ch<10; ch++) { | |
433 | xrhit = rtrack->GetPosX(ch); | |
434 | yrhit = rtrack->GetPosY(ch); | |
435 | radius = TMath::Sqrt(xrhit*xrhit + yrhit*yrhit); | |
436 | if (radius<10) continue; // skip null hits | |
437 | xghit = gtrack->GetPosX(ch); | |
438 | yghit = gtrack->GetPosY(ch); | |
439 | dX = TMath::Abs(xghit-xrhit); | |
440 | dY = TMath::Abs(yghit-yrhit); | |
441 | if (dX<tolerance*0.144 && dY<tolerance*0.01) { // within 3 sigma resolution | |
442 | ncompat++; | |
443 | continue; // compatible hit | |
444 | } else nfake++; // fake hit | |
445 | } | |
446 | if (ncompat && ncompat>=maxNcompat && nfake<minNfakes) { // this is best matching | |
447 | maxNcompat = ncompat; | |
448 | minNfakes = nfake; | |
449 | bestMatch = indg; | |
450 | } | |
451 | } | |
452 | if (bestMatch<0 && tolerance<=9.) bestMatch = GetBestMatch(indr, tolerance+=1); | |
453 | if (!fPrinted) { | |
454 | rtrack = (AliMUONRecoTrack*)fRecoTracks->UncheckedAt(indr); | |
455 | Int_t sign = rtrack->GetSign(); | |
456 | cout << "Reconstructed track : " << indr << "(" << sign << ")" << endl; | |
457 | rtrack->TrackInfo(); | |
458 | printf("Best matching Geant track within %i*sgm : %i\n", (Int_t)tolerance, bestMatch); | |
459 | if (bestMatch >=0) { | |
460 | gtrack = (AliMUONRecoTrack*)fGenTracks->UncheckedAt(bestMatch); | |
461 | gtrack->TrackInfo(); | |
462 | } | |
463 | cout << "-----------------------------------------------------------------\n"; | |
464 | } | |
465 | fPrinted = kTRUE; | |
466 | ||
467 | return bestMatch; | |
468 | } | |
469 | ||
470 | //------------------------------------------------------------------- | |
471 | void AliMUONRecoDisplay::Highlight(Int_t track) | |
472 | { | |
473 | // Highlight the specified track | |
474 | if (fHighlited >=0) UnHighlight(); | |
475 | if (track<0 || track>fPolyRecoList->GetEntries()) return; | |
476 | TPolyLine3D *line = (TPolyLine3D*)fPolyRecoList->UncheckedAt(track); | |
477 | line->SetLineColor(kYellow); | |
478 | line->SetLineWidth(1); | |
479 | fHighlited = track; | |
480 | DrawView(15,-45,135); | |
481 | } | |
482 | ||
483 | //------------------------------------------------------------------- | |
484 | void AliMUONRecoDisplay::UnHighlight() | |
485 | { | |
486 | // Unhighlight a previous highlighted track | |
487 | if (fHighlited < 0) return; // nothing to do | |
488 | TPolyLine3D *line = (TPolyLine3D*)fPolyRecoList->UncheckedAt(fHighlited); | |
489 | line->SetLineColor(kRed); | |
490 | line->SetLineWidth(1); | |
491 | fHighlited = -1; | |
492 | DrawView(0,-90); | |
493 | } | |
494 | ||
495 | //------------------------------------------------------------------- | |
496 | void AliMUONRecoDisplay::DrawHits() | |
497 | { | |
498 | // Draw hits for all ALICE detectors. Overwrites the DrawHits() method of the | |
499 | // base class for reco. track drawing | |
500 | ||
501 | Float_t cutmin, cutmax, etamin, etamax, pmom, smin, smax, eta, theta, r; | |
502 | const Float_t kptcutmax = 2; | |
503 | const Float_t ketacutmax = 1.5; | |
504 | Float_t *pxyz; | |
505 | Int_t ntracks,track; | |
506 | TParticle *particle; | |
507 | TObjArray *points; | |
508 | AliPoints *pm; | |
509 | ||
510 | //Get cut slider | |
511 | smax = fCutSlider->GetMaximum(); | |
512 | smin = fCutSlider->GetMinimum(); | |
513 | cutmin = kptcutmax*smin; | |
514 | if (smax < 0.98) cutmax = kptcutmax*smax; | |
515 | else cutmax = 100000; | |
516 | ||
517 | //Get eta slider | |
518 | smax = fEtaSlider->GetMaximum(); | |
519 | smin = fEtaSlider->GetMinimum(); | |
520 | etamin = ketacutmax*(2*smin-1); | |
521 | etamax = ketacutmax*(2*smax-1); | |
522 | if (smin < 0.02) etamin = -1000; | |
523 | if (smax > 0.98) etamax = 1000; | |
524 | ||
525 | TIter next(gAlice->Modules()); | |
526 | AliModule *module; | |
527 | fHitsCuts = 0; | |
528 | if (fDrawHits) { | |
529 | // draw hits in all modules | |
530 | while((module = (AliModule*)next())) { | |
531 | if (!module->IsActive()) continue; | |
532 | points = module->Points(); | |
533 | if (!points) continue; | |
534 | ntracks = points->GetEntriesFast(); | |
535 | for (track=0;track<ntracks;track++) { | |
536 | pm = (AliPoints*)points->UncheckedAt(track); | |
537 | if (!pm) continue; | |
538 | particle = pm->GetParticle(); | |
539 | if (!particle) continue; | |
540 | pmom = particle->P(); | |
541 | if (pmom < cutmin) continue; | |
542 | if (pmom > cutmax) continue; | |
543 | // as a first approximation, take eta of first point | |
544 | pxyz = pm->GetP(); | |
545 | r = TMath::Sqrt(pxyz[0]*pxyz[0] + pxyz[1]*pxyz[1]); | |
546 | theta = TMath::ATan2(r,TMath::Abs(pxyz[2])); | |
547 | if(theta) eta = -TMath::Log(TMath::Tan(0.5*theta)); else eta = 1e10; | |
548 | if (pxyz[2] < 0) eta = -eta; | |
549 | if (eta < etamin || eta > etamax) continue; | |
550 | pm->Draw(); | |
551 | fHitsCuts += pm->GetN(); | |
552 | } | |
553 | } | |
554 | } | |
555 | // draw reconstructed tracks | |
556 | TPolyLine3D *line, *gline; | |
557 | Int_t bestMatch; | |
558 | Double_t px,py,pz,p; | |
559 | AliMUONRecoTrack *rtrack; | |
560 | ||
561 | if (fHighlited >= 0) { | |
562 | line = (TPolyLine3D*)fPolyRecoList->UncheckedAt(fHighlited); | |
563 | line->Draw(); | |
564 | fPrinted = kFALSE; | |
565 | bestMatch = GetBestMatch(fHighlited); | |
566 | if (bestMatch>=0) { | |
567 | gline = (TPolyLine3D*)fPolyGenList->UncheckedAt(bestMatch); | |
568 | gline->SetLineColor(kRed); | |
569 | gline->SetLineWidth(2); | |
570 | gline->SetLineStyle(2); | |
571 | gline->Draw(); | |
572 | } | |
573 | } else { | |
574 | for (track=0; track<fPolyRecoList->GetEntries(); track++) { | |
575 | rtrack = (AliMUONRecoTrack*)fRecoTracks->UncheckedAt(track); | |
576 | px = rtrack->GetMomReconstr(0); | |
577 | py = rtrack->GetMomReconstr(1); | |
578 | pz = rtrack->GetMomReconstr(2); | |
579 | p = rtrack->P(); | |
580 | if (p>fMinMomentum && p<fMaxMomentum) { | |
581 | line = (TPolyLine3D*)fPolyRecoList->UncheckedAt(track); | |
582 | line->Draw(); | |
583 | } | |
584 | } | |
585 | } | |
586 | } | |
587 | ||
588 | //------------------------------------------------------------------- | |
589 | void AliMUONRecoDisplay::ListTracks() | |
590 | { | |
591 | // List momentum information of all reconstructed traccks within fPmin and fPmax | |
592 | // cuts, as well as their best matching Geant tracks | |
593 | cout << "================================================================\n"; | |
594 | printf("Reconstructed tracks with momentum in range : %g , %g [GeV/c]\n", | |
595 | fMinMomentum, fMaxMomentum); | |
596 | cout << "----------------------------------------------------------------\n"; | |
597 | AliMUONRecoTrack *rtrack; | |
598 | Double_t p; | |
599 | Int_t sign; | |
600 | for (Int_t ind=0; ind<fRecoTracks->GetEntries(); ind++) { | |
601 | rtrack = (AliMUONRecoTrack*)fRecoTracks->UncheckedAt(ind); | |
602 | p = rtrack->P(); | |
603 | if (p>fMinMomentum && p<fMaxMomentum) { | |
604 | fPrinted = kFALSE; | |
605 | GetBestMatch(ind); | |
606 | sign = rtrack->GetSign(); | |
607 | } | |
608 | } | |
609 | cout << "================================================================\n"; | |
610 | } | |
611 | ||
612 | //------------------------------------------------------------------- | |
613 | TClonesArray* AliMUONRecoDisplay::MakePolyLines3D(TClonesArray *tracklist) | |
614 | { | |
615 | // Makes the list of polylines3D corresponding to the list of tracks | |
616 | if (tracklist!=fRecoTracks && tracklist!=fGenTracks) return 0; | |
617 | Bool_t reco = (tracklist==fRecoTracks)?kTRUE:kFALSE; | |
618 | // make sure there is no other list in memory | |
619 | if (reco) { | |
620 | if (fPolyRecoList) { | |
621 | fPolyRecoList->Delete(); | |
622 | delete fPolyRecoList; | |
623 | fPolyRecoList = 0; | |
624 | } | |
625 | } else { | |
626 | if (fPolyGenList) { | |
627 | fPolyGenList->Delete(); | |
628 | delete fPolyGenList; | |
629 | fPolyGenList = 0; | |
630 | } | |
631 | } | |
632 | if (!tracklist->GetEntries()) return 0; | |
633 | ||
634 | AliMUONRecoTrack* track = 0; | |
635 | TClonesArray *polyLines3D = new TClonesArray("TPolyLine3D",1000); | |
636 | TClonesArray &polylist = *polyLines3D; | |
637 | TPolyLine3D *polyline = 0; | |
638 | ||
639 | // loop all tracks | |
640 | for (Int_t i=0; i<tracklist->GetEntries(); i++) { | |
641 | track = (AliMUONRecoTrack*)tracklist->UncheckedAt(i); | |
642 | Int_t ch = 0; | |
643 | Double_t x,y,z,r; | |
644 | polyline = new(polylist[i]) TPolyLine3D(2,""); | |
645 | polyline->SetLineColor(kRed); | |
646 | polyline->SetLineWidth(1); | |
647 | polyline->SetNextPoint(0,0,track->GetVertexPos()); // vertex point | |
648 | // loop chambers to fill TPolyLine3D objects | |
649 | for (ch=0; ch<10; ch++) { | |
650 | x = track->GetPosX(ch); | |
651 | y = track->GetPosY(ch); | |
652 | r = TMath::Sqrt(x*x + y*y); | |
653 | if (r < 10) continue; | |
654 | z = track->GetPosZ(ch); | |
655 | polyline->SetNextPoint(x,y,z); | |
656 | } | |
657 | } | |
658 | return polyLines3D; | |
659 | } | |
660 | ||
661 | //------------------------------------------------------------------- | |
662 | void AliMUONRecoDisplay::PolyLineInfo(TClonesArray *line3Dlist) | |
663 | { | |
664 | // Prints information (x, y, z coordinates) for all constructed polylines | |
665 | if (line3Dlist) { | |
666 | TPolyLine3D *polyline = 0; | |
667 | for(Int_t trackIndex=0; trackIndex<line3Dlist->GetEntries(); trackIndex++) { | |
668 | polyline = (TPolyLine3D*)line3Dlist->UncheckedAt(trackIndex); | |
669 | polyline->ls(); | |
670 | Float_t *pl = polyline->GetP(); | |
671 | for (Int_t i=0; i<polyline->GetN() ;i++) { | |
672 | printf(" x[%d]=%g, y[%d]=%g, z[%d]=%g\n",i,pl[3*i],i,pl[3*i+1],i,pl[3*i+2]); | |
673 | } | |
674 | } | |
675 | } | |
676 | } | |
677 | ||
678 |