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5a5a1232 | 1 | // $Id$ |
d810d0de | 2 | // Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007 |
3 | ||
4 | /************************************************************************** | |
5 | * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. * | |
6 | * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for * | |
51346b82 | 7 | * full copyright notice. * |
d810d0de | 8 | **************************************************************************/ |
5a5a1232 | 9 | |
e9ece5b4 | 10 | #if !defined(__CINT__) || defined(__MAKECINT__) |
11 | ||
15c12442 | 12 | #include <TString.h> |
13 | #include <TSystem.h> | |
14 | #include <TROOT.h> | |
15 | #include <TMath.h> | |
16 | #include <TGListTree.h> | |
17 | ||
18 | #include <TEveVSDStructs.h> | |
19 | #include <TEveManager.h> | |
20 | #include <TEveTrackPropagator.h> | |
21 | ||
22 | #include <EveBase/AliEveTrack.h> | |
23 | #include <EveBase/AliEveTrackCounter.h> | |
24 | #include <EveBase/AliEveMagField.h> | |
25 | #include <EveBase/AliEveEventManager.h> | |
26 | ||
27 | #include <AliESDEvent.h> | |
8e37954c | 28 | #include <AliESDfriend.h> |
15c12442 | 29 | #include <AliESDtrackCuts.h> |
30 | #include <AliESDtrack.h> | |
8e37954c | 31 | #include <AliESDfriendTrack.h> |
15c12442 | 32 | #include <AliExternalTrackParam.h> |
33 | ||
b264afb8 | 34 | #include <AliPWG0Helper.h> |
e9ece5b4 | 35 | |
36 | #endif | |
37 | ||
38 | ||
29207369 | 39 | // Use inner-tpc track params when its refit failed. |
40 | Bool_t g_esd_tracks_use_ip_on_failed_its_refit = kFALSE; | |
41 | ||
6336e5d7 | 42 | // Use magnetic-field as retrieved from GRP. |
43 | Bool_t g_esd_tracks_true_field = kTRUE; | |
44 | ||
45 | // Use Runge-Kutta track stepper. | |
46 | Bool_t g_esd_tracks_rk_stepper = kFALSE; | |
47 | ||
48 | ||
49 | //============================================================================== | |
50 | ||
51 | void esd_track_propagator_setup(TEveTrackPropagator* trkProp, | |
52 | Float_t magF, Float_t maxR) | |
53 | { | |
54 | if (g_esd_tracks_true_field) | |
55 | { | |
56 | trkProp->SetMagFieldObj(new AliEveMagField); | |
57 | } | |
58 | else | |
59 | { | |
60 | trkProp->SetMagField(magF); | |
61 | } | |
62 | if (g_esd_tracks_rk_stepper) | |
63 | { | |
64 | trkProp->SetStepper(TEveTrackPropagator::kRungeKutta); | |
65 | } | |
66 | trkProp->SetMaxR(maxR); | |
67 | } | |
68 | ||
69 | //============================================================================== | |
70 | ||
29207369 | 71 | TString esd_track_title(AliESDtrack* t) |
ad5abc55 | 72 | { |
73 | TString s; | |
29207369 | 74 | |
75 | Int_t label = t->GetLabel(), index = t->GetID(); | |
76 | TString idx(index == kMinInt ? "<undef>" : Form("%d", index)); | |
77 | TString lbl(label == kMinInt ? "<undef>" : Form("%d", label)); | |
78 | ||
79 | Double_t p[3], v[3]; | |
80 | t->GetXYZ(v); | |
81 | t->GetPxPyPz(p); | |
d6962cc4 | 82 | Double_t pt = t->Pt(); |
83 | Double_t ptsig = TMath::Sqrt(t->GetSigma1Pt2()); | |
84 | Double_t ptsq = pt*pt; | |
85 | Double_t ptm = pt / (1.0 + pt*ptsig); | |
86 | Double_t ptM = pt / (1.0 - pt*ptsig); | |
29207369 | 87 | |
88 | s = Form("Index=%s, Label=%s\nChg=%d, Pdg=%d\n" | |
d6962cc4 | 89 | "pT = %.3f + %.3f - %.3f [%.3f]\n" |
90 | "P = (%.3f, %.3f, %.3f)\n" | |
91 | "V = (%.3f, %.3f, %.3f)\n", | |
29207369 | 92 | idx.Data(), lbl.Data(), t->Charge(), 0, |
d6962cc4 | 93 | pt, ptM - pt, pt - ptm, ptsig*ptsq, |
94 | p[0], p[1], p[2], | |
95 | v[0], v[1], v[2]); | |
29207369 | 96 | |
ad5abc55 | 97 | Int_t o; |
d6962cc4 | 98 | s += "Det (in,out,refit,pid):\n"; |
ad5abc55 | 99 | o = AliESDtrack::kITSin; |
6b7fd3a4 | 100 | s += Form("ITS (%d,%d,%d,%d) ", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3)); |
ad5abc55 | 101 | o = AliESDtrack::kTPCin; |
6b7fd3a4 | 102 | s += Form("TPC(%d,%d,%d,%d)\n", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3)); |
ad5abc55 | 103 | o = AliESDtrack::kTRDin; |
6b7fd3a4 | 104 | s += Form("TRD(%d,%d,%d,%d) ", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3)); |
ad5abc55 | 105 | o = AliESDtrack::kTOFin; |
6b7fd3a4 | 106 | s += Form("TOF(%d,%d,%d,%d)\n", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3)); |
ad5abc55 | 107 | o = AliESDtrack::kHMPIDout; |
6b7fd3a4 | 108 | s += Form("HMPID(out=%d,pid=%d)\n", t->IsOn(o), t->IsOn(o<<1)); |
ad5abc55 | 109 | s += Form("ESD pid=%d", t->IsOn(AliESDtrack::kESDpid)); |
86f12f78 | 110 | |
29207369 | 111 | if (t->IsOn(AliESDtrack::kESDpid)) |
112 | { | |
113 | Double_t pid[5]; | |
114 | t->GetESDpid(pid); | |
115 | s += Form("\n[%.2f %.2f %.2f %.2f %.2f]", pid[0], pid[1], pid[2], pid[3], pid[4]); | |
116 | } | |
51346b82 | 117 | |
29207369 | 118 | return s; |
86f12f78 | 119 | } |
120 | ||
6336e5d7 | 121 | //============================================================================== |
122 | ||
e9ece5b4 | 123 | void esd_track_add_param(AliEveTrack* track, const AliExternalTrackParam* tp) |
c222eb1d | 124 | { |
29207369 | 125 | // Add additional track parameters as a path-mark to track. |
126 | ||
c222eb1d | 127 | if (tp == 0) |
128 | return; | |
129 | ||
29207369 | 130 | Double_t pbuf[3], vbuf[3]; |
c222eb1d | 131 | tp->GetXYZ(vbuf); |
132 | tp->GetPxPyPz(pbuf); | |
133 | ||
a15e6d7d | 134 | TEvePathMark pm(TEvePathMark::kReference); |
135 | pm.fV.Set(vbuf); | |
136 | pm.fP.Set(pbuf); | |
c222eb1d | 137 | track->AddPathMark(pm); |
138 | } | |
139 | ||
6336e5d7 | 140 | //============================================================================== |
141 | ||
8e37954c | 142 | AliEveTrack* esd_make_track_TPC(AliESDtrack *at, AliESDfriendTrack* aft, TEveTrackList* cont) |
143 | { | |
144 | // Make a TPC track representation and put it into given container. | |
145 | ||
146 | AliEveTrack* track = new AliEveTrack(at, cont->GetPropagator()); | |
147 | track->SetAttLineAttMarker(cont); | |
148 | track->SetName(Form("AliEveTrack %d", at->GetID())); | |
149 | track->SetElementTitle(esd_track_title(at)); | |
150 | track->SetSourceObject(at); | |
151 | ||
152 | // Add inner/outer track parameters as start point and pathmark. | |
153 | if (at->GetInnerParam()) track->SetStartParams(at->GetInnerParam()); | |
154 | else return NULL; | |
155 | if (aft->GetTPCOut()) esd_track_add_param(track, aft->GetTPCOut()); | |
156 | else return NULL; | |
157 | ||
158 | return track; | |
159 | } | |
160 | ||
7b4a06f8 | 161 | AliEveTrack* esd_make_track_ITS_standalone(AliESDtrack *at, AliESDfriendTrack* aft, TEveTrackList* cont) |
162 | { | |
163 | // Make a ITS standalone track representation and put it into given container. | |
164 | ||
165 | if ( !(!at->IsOn(AliESDtrack::kTPCin) && | |
166 | at->IsOn(AliESDtrack::kITSout)) ) return NULL; //only ITS standalone | |
167 | AliEveTrack* track = new AliEveTrack(at, cont->GetPropagator()); | |
168 | track->SetAttLineAttMarker(cont); | |
169 | track->SetName(Form("AliEveTrack %d", at->GetID())); | |
170 | track->SetElementTitle(esd_track_title(at)); | |
171 | track->SetSourceObject(at); | |
172 | ||
173 | // Add inner/outer track parameters as path-marks. | |
174 | if (aft->GetITSOut()) | |
175 | { | |
176 | esd_track_add_param(track, aft->GetITSOut()); | |
177 | } | |
178 | else return NULL; | |
179 | ||
180 | return track; | |
181 | } | |
182 | ||
8e37954c | 183 | AliEveTrack* esd_make_track_ITS(AliESDtrack *at, AliESDfriendTrack* aft, TEveTrackList* cont) |
184 | { | |
185 | // Make a ITS track representation and put it into given container. | |
186 | ||
7b4a06f8 | 187 | if ( (!at->IsOn(AliESDtrack::kTPCin) && |
188 | at->IsOn(AliESDtrack::kITSout)) ) return NULL; //ignore ITS standalone | |
8e37954c | 189 | AliEveTrack* track = new AliEveTrack(at, cont->GetPropagator()); |
190 | track->SetAttLineAttMarker(cont); | |
191 | track->SetName(Form("AliEveTrack %d", at->GetID())); | |
192 | track->SetElementTitle(esd_track_title(at)); | |
193 | track->SetSourceObject(at); | |
194 | ||
195 | // Add inner/outer track parameters as path-marks. | |
196 | if (aft->GetITSOut()) | |
197 | { | |
8e37954c | 198 | esd_track_add_param(track, aft->GetITSOut()); |
199 | } | |
200 | else return NULL; | |
201 | ||
202 | return track; | |
203 | } | |
204 | ||
e9ece5b4 | 205 | AliEveTrack* esd_make_track(AliESDtrack *at, TEveTrackList* cont) |
29207369 | 206 | { |
207 | // Make a standard track representation and put it into given container. | |
208 | ||
209 | // Choose which parameters to use a track's starting point. | |
210 | // If gkFixFailedITSExtr is TRUE (FALSE by default) and | |
211 | // if ITS refit failed, take track parameters at inner TPC radius. | |
e9ece5b4 | 212 | |
213 | const AliExternalTrackParam* tp = at; | |
29207369 | 214 | |
215 | Bool_t innerTaken = kFALSE; | |
216 | if ( ! at->IsOn(AliESDtrack::kITSrefit) && g_esd_tracks_use_ip_on_failed_its_refit) | |
217 | { | |
218 | tp = at->GetInnerParam(); | |
219 | innerTaken = kTRUE; | |
220 | } | |
221 | ||
50ac85c6 | 222 | AliEveTrack* track = new AliEveTrack(at, cont->GetPropagator()); |
29207369 | 223 | track->SetAttLineAttMarker(cont); |
0e33c639 | 224 | track->SetName(Form("AliEveTrack %d", at->GetID())); |
29207369 | 225 | track->SetElementTitle(esd_track_title(at)); |
9b6216c0 | 226 | track->SetSourceObject(at); |
29207369 | 227 | |
228 | // Add inner/outer track parameters as path-marks. | |
229 | if (at->IsOn(AliESDtrack::kTPCrefit)) | |
230 | { | |
231 | if ( ! innerTaken) | |
232 | { | |
233 | esd_track_add_param(track, at->GetInnerParam()); | |
234 | } | |
235 | esd_track_add_param(track, at->GetOuterParam()); | |
236 | } | |
a15e6d7d | 237 | |
29207369 | 238 | return track; |
239 | } | |
86f12f78 | 240 | |
6336e5d7 | 241 | |
242 | //============================================================================== | |
243 | // esd_tracks() | |
244 | //============================================================================== | |
245 | ||
8e37954c | 246 | TEveTrackList* esd_tracks_TPC() |
247 | { | |
248 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
249 | AliESDfriend* esd_friend = AliEveEventManager::AssertESDfriend(); | |
250 | ||
251 | TEveTrackList* cont = new TEveTrackList("TPC Tracks"); | |
7b4a06f8 | 252 | cont->SetMainColor(kMagenta); |
8e37954c | 253 | |
254 | esd_track_propagator_setup(cont->GetPropagator(), | |
255 | 0.1*esd->GetMagneticField(), 520); | |
256 | ||
257 | gEve->AddElement(cont); | |
258 | ||
259 | Int_t count = 0; | |
260 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
261 | { | |
262 | ++count; | |
263 | if (!esd->GetTrack(n)) continue; | |
264 | if (!esd_friend->GetTrack(n)) continue; | |
265 | AliEveTrack* track = esd_make_track_TPC(esd->GetTrack(n), esd_friend->GetTrack(n), cont); | |
266 | if (!track) continue; | |
267 | ||
268 | cont->AddElement(track); | |
269 | } | |
270 | cont->SetTitle(Form("N=%d", count)); | |
271 | cont->MakeTracks(); | |
272 | ||
273 | gEve->Redraw3D(); | |
274 | ||
275 | return cont; | |
276 | } | |
277 | ||
278 | TEveTrackList* esd_tracks_ITS() | |
279 | { | |
280 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
281 | AliESDfriend* esd_friend = AliEveEventManager::AssertESDfriend(); | |
282 | ||
283 | TEveTrackList* cont = new TEveTrackList("ITS Tracks"); | |
7b4a06f8 | 284 | cont->SetMainColor(kMagenta+3); |
8e37954c | 285 | |
286 | esd_track_propagator_setup(cont->GetPropagator(), | |
287 | 0.1*esd->GetMagneticField(), 520); | |
288 | cont->GetPropagator()->SetMaxR(85.0); | |
289 | cont->SetLineWidth(1); | |
290 | ||
291 | gEve->AddElement(cont); | |
292 | ||
293 | Int_t count = 0; | |
294 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
295 | { | |
296 | ++count; | |
297 | if (!esd->GetTrack(n)) continue; | |
298 | if (!esd_friend->GetTrack(n)) continue; | |
299 | AliEveTrack* track = esd_make_track_ITS(esd->GetTrack(n), esd_friend->GetTrack(n), cont); | |
300 | if (!track) continue; | |
301 | ||
302 | cont->AddElement(track); | |
303 | } | |
304 | cont->SetTitle(Form("N=%d", count)); | |
305 | cont->MakeTracks(); | |
306 | ||
7b4a06f8 | 307 | gEve->Redraw3D(); |
308 | ||
309 | return cont; | |
310 | } | |
311 | ||
312 | TEveTrackList* esd_tracks_ITS_standalone() | |
313 | { | |
314 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
315 | AliESDfriend* esd_friend = AliEveEventManager::AssertESDfriend(); | |
316 | ||
317 | TEveTrackList* cont = new TEveTrackList("ITS Standalone Tracks"); | |
318 | cont->SetMainColor(kBlue); | |
319 | ||
320 | esd_track_propagator_setup(cont->GetPropagator(), | |
321 | 0.1*esd->GetMagneticField(), 520); | |
322 | cont->GetPropagator()->SetMaxR(85.0); | |
323 | cont->SetLineWidth(1); | |
324 | ||
325 | gEve->AddElement(cont); | |
326 | ||
327 | Int_t count = 0; | |
328 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
329 | { | |
330 | ++count; | |
331 | if (!esd->GetTrack(n)) continue; | |
332 | if (!esd_friend->GetTrack(n)) continue; | |
333 | AliEveTrack* track = esd_make_track_ITS_standalone(esd->GetTrack(n), esd_friend->GetTrack(n), cont); | |
334 | if (!track) continue; | |
335 | ||
336 | cont->AddElement(track); | |
337 | } | |
338 | cont->SetTitle(Form("N=%d", count)); | |
339 | cont->MakeTracks(); | |
340 | ||
8e37954c | 341 | gEve->Redraw3D(); |
342 | ||
343 | return cont; | |
344 | } | |
345 | ||
29207369 | 346 | TEveTrackList* esd_tracks() |
5a5a1232 | 347 | { |
d810d0de | 348 | AliESDEvent* esd = AliEveEventManager::AssertESD(); |
5a5a1232 | 349 | |
51346b82 | 350 | TEveTrackList* cont = new TEveTrackList("ESD Tracks"); |
fbc350a3 | 351 | cont->SetMainColor(6); |
6336e5d7 | 352 | |
353 | esd_track_propagator_setup(cont->GetPropagator(), | |
354 | 0.1*esd->GetMagneticField(), 520); | |
5a5a1232 | 355 | |
84aff7a4 | 356 | gEve->AddElement(cont); |
5a5a1232 | 357 | |
29207369 | 358 | Int_t count = 0; |
359 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
d31ac39d | 360 | { |
29207369 | 361 | ++count; |
0e33c639 | 362 | AliEveTrack* track = esd_make_track(esd->GetTrack(n), cont); |
5a5a1232 | 363 | |
29207369 | 364 | cont->AddElement(track); |
365 | } | |
366 | cont->SetTitle(Form("N=%d", count)); | |
367 | cont->MakeTracks(); | |
5a5a1232 | 368 | |
29207369 | 369 | gEve->Redraw3D(); |
5a5a1232 | 370 | |
29207369 | 371 | return cont; |
372 | } | |
5a5a1232 | 373 | |
06219f85 | 374 | TEveTrackList* esd_tracks_MI() |
29207369 | 375 | { |
376 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
c222eb1d | 377 | |
06219f85 | 378 | TEveTrackList* cont = new TEveTrackList("ESD Tracks MI"); |
379 | cont->SetLineColor(5); | |
29207369 | 380 | gEve->AddElement(cont); |
c222eb1d | 381 | |
29207369 | 382 | Int_t count = 0; |
383 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
384 | { | |
385 | ++count; | |
386 | AliESDtrack* at = esd->GetTrack(n); | |
06219f85 | 387 | AliEveTrack* l = new AliEveTrack(at, cont->GetPropagator()); |
29207369 | 388 | l->SetName(Form("ESDTrackMI %d", at->GetID())); |
389 | l->SetElementTitle(esd_track_title(at)); | |
06219f85 | 390 | l->SetAttLineAttMarker(cont); |
9b6216c0 | 391 | l->SetSourceObject(at); |
c222eb1d | 392 | |
06219f85 | 393 | at->FillPolymarker(l, esd->GetMagneticField(), 0, 250, 5); |
394 | ||
395 | l->SetLockPoints(kTRUE); | |
29207369 | 396 | cont->AddElement(l); |
5a5a1232 | 397 | } |
29207369 | 398 | cont->SetTitle(Form("N=%d", count)); |
32e219c2 | 399 | |
84aff7a4 | 400 | gEve->Redraw3D(); |
5a5a1232 | 401 | |
402 | return cont; | |
403 | } | |
404 | ||
6336e5d7 | 405 | |
406 | //============================================================================== | |
a8600b56 | 407 | // esd_tracks_from_array() |
6336e5d7 | 408 | //============================================================================== |
a8600b56 | 409 | |
84aff7a4 | 410 | TEveTrackList* esd_tracks_from_array(TCollection* col, AliESDEvent* esd=0) |
5a5a1232 | 411 | { |
412 | // Retrieves AliESDTrack's from collection. | |
413 | // See example usage with AliAnalysisTrackCuts in the next function. | |
414 | ||
d810d0de | 415 | if (esd == 0) esd = AliEveEventManager::AssertESD(); |
86f12f78 | 416 | |
51346b82 | 417 | TEveTrackList* cont = new TEveTrackList("ESD Tracks"); |
fbc350a3 | 418 | cont->SetMainColor(6); |
6336e5d7 | 419 | |
420 | esd_track_propagator_setup(cont->GetPropagator(), | |
421 | 0.1*esd->GetMagneticField(), 520); | |
5a5a1232 | 422 | |
84aff7a4 | 423 | gEve->AddElement(cont); |
5a5a1232 | 424 | |
5a5a1232 | 425 | Int_t count = 0; |
426 | TIter next(col); | |
427 | TObject *obj; | |
84aff7a4 | 428 | while ((obj = next()) != 0) |
d31ac39d | 429 | { |
29207369 | 430 | if (obj->IsA()->InheritsFrom("AliESDtrack") == kFALSE) |
431 | { | |
432 | Warning("esd_tracks_from_array", "Object '%s', '%s' is not an AliESDtrack.", | |
5a5a1232 | 433 | obj->GetName(), obj->GetTitle()); |
434 | continue; | |
435 | } | |
436 | ||
437 | ++count; | |
e9ece5b4 | 438 | AliESDtrack* at = reinterpret_cast<AliESDtrack*>(obj); |
5a5a1232 | 439 | |
0e33c639 | 440 | AliEveTrack* track = esd_make_track(at, cont); |
29207369 | 441 | cont->AddElement(track); |
5a5a1232 | 442 | } |
6b7fd3a4 | 443 | cont->SetTitle(Form("N=%d", count)); |
5a5a1232 | 444 | cont->MakeTracks(); |
32e219c2 | 445 | |
84aff7a4 | 446 | gEve->Redraw3D(); |
5a5a1232 | 447 | |
448 | return cont; | |
449 | } | |
450 | ||
451 | void esd_tracks_alianalcuts_demo() | |
452 | { | |
d810d0de | 453 | AliESDEvent* esd = AliEveEventManager::AssertESD(); |
5a5a1232 | 454 | |
fcfc8b01 | 455 | AliESDtrackCuts atc; |
5a5a1232 | 456 | atc.SetPtRange(0.1, 5); |
457 | atc.SetRapRange(-1, 1); | |
458 | ||
fcfc8b01 | 459 | esd_tracks_from_array(atc.GetAcceptedTracks(esd), esd); |
5a5a1232 | 460 | } |
a8600b56 | 461 | |
6336e5d7 | 462 | |
463 | //============================================================================== | |
29207369 | 464 | // esd_tracks_by_category |
6336e5d7 | 465 | //============================================================================== |
a8600b56 | 466 | |
467 | Float_t get_sigma_to_vertex(AliESDtrack* esdTrack) | |
468 | { | |
469 | // Taken from: PWG0/esdTrackCuts/AliESDtrackCuts.cxx | |
470 | // Float_t AliESDtrackCuts::GetSigmaToVertex(AliESDtrack* esdTrack) | |
471 | ||
472 | Float_t b[2]; | |
473 | Float_t bRes[2]; | |
474 | Float_t bCov[3]; | |
475 | esdTrack->GetImpactParameters(b,bCov); | |
29207369 | 476 | if (bCov[0] <= 0 || bCov[2] <= 0) |
477 | { | |
d31ac39d | 478 | printf("Estimated b resolution lower or equal zero!\n"); |
29207369 | 479 | bCov[0] = bCov[2] = 0; |
a8600b56 | 480 | } |
481 | bRes[0] = TMath::Sqrt(bCov[0]); | |
482 | bRes[1] = TMath::Sqrt(bCov[2]); | |
483 | ||
484 | // ----------------------------------- | |
485 | // How to get to a n-sigma cut? | |
486 | // | |
487 | // The accumulated statistics from 0 to d is | |
488 | // | |
489 | // -> Erf(d/Sqrt(2)) for a 1-dim gauss (d = n_sigma) | |
490 | // -> 1 - Exp(-d**2) for a 2-dim gauss (d*d = dx*dx + dy*dy != n_sigma) | |
491 | // | |
492 | // It means that for a 2-dim gauss: n_sigma(d) = Sqrt(2)*ErfInv(1 - Exp((-x**2)/2) | |
493 | // Can this be expressed in a different way? | |
494 | ||
29207369 | 495 | if (bRes[0] == 0 || bRes[1] == 0) |
a8600b56 | 496 | return -1; |
497 | ||
498 | Float_t d = TMath::Sqrt(TMath::Power(b[0]/bRes[0],2) + TMath::Power(b[1]/bRes[1],2)); | |
499 | ||
500 | // stupid rounding problem screws up everything: | |
501 | // if d is too big, TMath::Exp(...) gets 0, and TMath::ErfInverse(1) that should be infinite, gets 0 :( | |
502 | if (TMath::Exp(-d * d / 2) < 1e-10) | |
503 | return 1000; | |
504 | ||
505 | d = TMath::ErfInverse(1 - TMath::Exp(-d * d / 2)) * TMath::Sqrt(2); | |
506 | return d; | |
507 | } | |
508 | ||
29207369 | 509 | TEveElementList* esd_tracks_by_category() |
a8600b56 | 510 | { |
440a8bc6 | 511 | // Import ESD tracks, separate them into several containers |
512 | // according to primary-vertex cut and ITS&TPC refit status. | |
513 | ||
514 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
515 | ||
516 | TEveElementList* cont = new TEveElementList("ESD Tracks by category"); | |
517 | gEve->AddElement(cont); | |
518 | ||
519 | const Int_t nCont = 9; | |
520 | const Float_t maxR = 520; | |
521 | const Float_t magF = 0.1*esd->GetMagneticField(); | |
522 | ||
523 | TEveTrackList *tl[nCont]; | |
524 | Int_t tc[nCont]; | |
525 | Int_t count = 0; | |
526 | ||
527 | tl[0] = new TEveTrackList("Sigma < 3"); | |
528 | tc[0] = 0; | |
529 | esd_track_propagator_setup(tl[0]->GetPropagator(), magF, maxR); | |
530 | tl[0]->SetMainColor(3); | |
531 | cont->AddElement(tl[0]); | |
532 | ||
533 | tl[1] = new TEveTrackList("3 < Sigma < 5"); | |
534 | tc[1] = 0; | |
535 | esd_track_propagator_setup(tl[1]->GetPropagator(), magF, maxR); | |
536 | tl[1]->SetMainColor(7); | |
537 | cont->AddElement(tl[1]); | |
538 | ||
539 | tl[2] = new TEveTrackList("5 < Sigma"); | |
540 | tc[2] = 0; | |
541 | esd_track_propagator_setup(tl[2]->GetPropagator(), magF, maxR); | |
542 | tl[2]->SetMainColor(46); | |
543 | cont->AddElement(tl[2]); | |
544 | ||
545 | tl[3] = new TEveTrackList("no ITS refit; Sigma < 5"); | |
546 | tc[3] = 0; | |
547 | esd_track_propagator_setup(tl[3]->GetPropagator(), magF, maxR); | |
548 | tl[3]->SetMainColor(41); | |
549 | cont->AddElement(tl[3]); | |
550 | ||
551 | tl[4] = new TEveTrackList("no ITS refit; Sigma > 5"); | |
552 | tc[4] = 0; | |
553 | esd_track_propagator_setup(tl[4]->GetPropagator(), magF, maxR); | |
554 | tl[4]->SetMainColor(48); | |
555 | cont->AddElement(tl[4]); | |
556 | ||
557 | tl[5] = new TEveTrackList("no TPC refit"); | |
558 | tc[5] = 0; | |
559 | esd_track_propagator_setup(tl[5]->GetPropagator(), magF, maxR); | |
560 | tl[5]->SetMainColor(kRed); | |
561 | cont->AddElement(tl[5]); | |
562 | ||
563 | tl[6] = new TEveTrackList("ITS ncl>=3 & SPD Inner"); | |
564 | tc[6] = 0; | |
565 | esd_track_propagator_setup(tl[6]->GetPropagator(), magF, maxR); | |
566 | tl[6]->SetMainColor(kGreen); | |
567 | cont->AddElement(tl[6]); | |
568 | ||
569 | tl[7] = new TEveTrackList("ITS ncl>=3 & b<3 cm"); | |
570 | tc[7] = 0; | |
571 | esd_track_propagator_setup(tl[7]->GetPropagator(), magF, maxR); | |
572 | tl[7]->SetMainColor(kMagenta - 9); | |
573 | cont->AddElement(tl[7]); | |
574 | ||
575 | tl[8] = new TEveTrackList("ITS others"); | |
576 | tc[8] = 0; | |
577 | esd_track_propagator_setup(tl[8]->GetPropagator(), magF, maxR); | |
578 | tl[8]->SetMainColor(kRed + 2); | |
579 | cont->AddElement(tl[8]); | |
580 | ||
581 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
582 | { | |
583 | AliESDtrack* at = esd->GetTrack(n); | |
584 | ||
585 | Float_t s = get_sigma_to_vertex(at); | |
586 | Int_t ti; | |
587 | if (s < 3) ti = 0; | |
588 | else if (s <= 5) ti = 1; | |
589 | else ti = 2; | |
590 | ||
591 | Int_t nclits; | |
592 | Double_t dtobeam; | |
593 | ||
594 | if (at->IsOn(AliESDtrack::kITSin) && ! at->IsOn(AliESDtrack::kTPCin)) | |
595 | { | |
596 | UChar_t itsclmap = at->GetITSClusterMap(); | |
597 | Bool_t spdinner = (itsclmap & 3) != 0; | |
598 | ||
599 | nclits = 0; | |
600 | for (Int_t iter = 0; iter < 6; ++iter) | |
601 | if (itsclmap & (1 << iter)) nclits ++; | |
602 | ||
603 | Double_t xyz[3]; | |
604 | at->GetXYZ(xyz); | |
605 | dtobeam = TMath::Hypot(xyz[0], xyz[1]); | |
606 | ||
607 | if ((nclits >= 3) && (spdinner)) | |
608 | ti = 6; | |
609 | else if ((nclits >= 3) && (dtobeam < 3.0)) | |
610 | ti = 7; | |
611 | else | |
612 | ti = 8; | |
613 | } | |
614 | else if (at->IsOn(AliESDtrack::kTPCin) && ! at->IsOn(AliESDtrack::kTPCrefit)) | |
615 | { | |
616 | ti = 5; | |
617 | } | |
618 | else if ( ! at->IsOn(AliESDtrack::kITSrefit)) | |
619 | { | |
620 | ti = (ti == 2) ? 4 : 3; | |
621 | } | |
622 | ||
623 | TEveTrackList* tlist = tl[ti]; | |
624 | ++tc[ti]; | |
625 | ++count; | |
626 | ||
627 | AliEveTrack* track = esd_make_track(at, tlist); | |
628 | if (ti<6) | |
629 | track->SetName(Form("ESD Track idx=%d, sigma=%5.3f", at->GetID(), s)); | |
630 | else | |
631 | track->SetName(Form("ESD Track idx=%d, dxy=%5.3f cl=%i", at->GetID(), dtobeam, nclits)); | |
632 | tlist->AddElement(track); | |
633 | } | |
634 | ||
635 | for (Int_t ti = 0; ti < nCont; ++ti) | |
636 | { | |
637 | TEveTrackList* tlist = tl[ti]; | |
638 | tlist->SetName(Form("%s [%d]", tlist->GetName(), tlist->NumChildren())); | |
639 | tlist->SetTitle(Form("N tracks=%d", tc[ti])); | |
640 | ||
641 | tlist->MakeTracks(); | |
642 | ||
643 | // Bool_t good_cont = ti <= 1; | |
644 | Bool_t good_cont = ((ti == 6) || (ti == 7)); | |
645 | if (AliEveTrackCounter::IsActive()) | |
646 | { | |
647 | AliEveTrackCounter::fgInstance->RegisterTracks(tlist, good_cont); | |
648 | } | |
649 | else | |
650 | { | |
651 | if ( ! good_cont) | |
652 | tlist->SetLineStyle(6); | |
653 | } | |
654 | } | |
655 | cont->SetTitle(Form("N all tracks = %d", count)); | |
656 | // ??? The following does not always work: | |
657 | cont->FindListTreeItem(gEve->GetListTree())->SetOpen(kTRUE); | |
658 | ||
659 | gEve->Redraw3D(); | |
660 | ||
661 | return cont; | |
a8600b56 | 662 | } |
5320a363 | 663 | |
664 | ||
665 | //============================================================================== | |
666 | // esd_tracks_by_anal_cuts | |
667 | //============================================================================== | |
668 | ||
669 | AliESDtrackCuts* g_esd_tracks_anal_cuts = 0; | |
670 | ||
671 | TEveElementList* esd_tracks_by_anal_cuts() | |
672 | { | |
673 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
674 | ||
675 | if (g_esd_tracks_anal_cuts == 0) | |
676 | { | |
677 | gSystem->Load("libPWG0base"); | |
678 | gROOT->ProcessLine(".L $ALICE_ROOT/PWG0/CreateStandardCuts.C"); | |
5065a65b | 679 | Int_t mode = AliPWG0Helper::kTPC; |
5320a363 | 680 | if (TMath::Abs(esd->GetMagneticField()) > 0.01) |
681 | mode |= AliPWG0Helper::kFieldOn; | |
15c12442 | 682 | gROOT->ProcessLine(Form("g_esd_tracks_anal_cuts = CreateTrackCuts(%d, kFALSE)", mode)); |
5320a363 | 683 | } |
684 | ||
685 | TEveElementList* cont = new TEveElementList("ESD Tracks by Analysis Cuts"); | |
686 | gEve->AddElement(cont); | |
687 | ||
688 | const Int_t nCont = 2; | |
689 | const Float_t maxR = 520; | |
690 | const Float_t magF = 0.1*esd->GetMagneticField(); | |
691 | ||
692 | TEveTrackList *tl[nCont]; | |
693 | Int_t tc[nCont]; | |
694 | Int_t count = 0; | |
695 | ||
696 | tl[0] = new TEveTrackList("Passed"); | |
697 | tc[0] = 0; | |
698 | esd_track_propagator_setup(tl[0]->GetPropagator(), magF, maxR); | |
699 | tl[0]->SetMainColor(3); | |
700 | cont->AddElement(tl[0]); | |
701 | ||
702 | tl[1] = new TEveTrackList("Rejected"); | |
703 | tc[1] = 0; | |
704 | esd_track_propagator_setup(tl[1]->GetPropagator(), magF, maxR); | |
705 | tl[1]->SetMainColor(kRed); | |
706 | cont->AddElement(tl[1]); | |
707 | ||
708 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
709 | { | |
710 | AliESDtrack* at = esd->GetTrack(n); | |
711 | ||
712 | Float_t s = get_sigma_to_vertex(at); | |
713 | Int_t ti = (g_esd_tracks_anal_cuts->AcceptTrack(at)) ? 0 : 1; | |
714 | ||
715 | TEveTrackList* tlist = tl[ti]; | |
716 | ++tc[ti]; | |
717 | ++count; | |
718 | ||
719 | AliEveTrack* track = esd_make_track(at, tlist); | |
720 | track->SetName(Form("ESD Track idx=%d, sigma=%5.3f", at->GetID(), s)); | |
721 | tlist->AddElement(track); | |
722 | } | |
723 | ||
724 | for (Int_t ti = 0; ti < nCont; ++ti) | |
725 | { | |
726 | TEveTrackList* tlist = tl[ti]; | |
727 | tlist->SetName(Form("%s [%d]", tlist->GetName(), tlist->NumChildren())); | |
728 | tlist->SetTitle(Form("N tracks=%d", tc[ti])); | |
729 | ||
730 | tlist->MakeTracks(); | |
731 | ||
732 | Bool_t good_cont = ti < 1; | |
733 | if (AliEveTrackCounter::IsActive()) | |
734 | { | |
735 | AliEveTrackCounter::fgInstance->RegisterTracks(tlist, good_cont); | |
736 | } | |
737 | else | |
738 | { | |
739 | if ( ! good_cont) | |
740 | tlist->SetLineStyle(6); | |
741 | } | |
742 | } | |
743 | cont->SetTitle(Form("N all tracks = %d", count)); | |
744 | // ??? The following does not always work: | |
745 | cont->FindListTreeItem(gEve->GetListTree())->SetOpen(kTRUE); | |
746 | ||
747 | gEve->Redraw3D(); | |
748 | ||
749 | return cont; | |
750 | } |