]>
Commit | Line | Data |
---|---|---|
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__) |
15c12442 | 11 | #include <TString.h> |
12 | #include <TSystem.h> | |
13 | #include <TROOT.h> | |
14 | #include <TMath.h> | |
15 | #include <TGListTree.h> | |
15c12442 | 16 | #include <TEveVSDStructs.h> |
17 | #include <TEveManager.h> | |
18 | #include <TEveTrackPropagator.h> | |
19 | ||
6c49a8e1 | 20 | #include <AliESDtrackCuts.h> |
21 | #include <AliPWG0Helper.h> | |
22 | #include <AliESDEvent.h> | |
23 | #include <AliESDfriend.h> | |
24 | #include <AliESDtrack.h> | |
25 | #include <AliESDfriendTrack.h> | |
26 | #include <AliExternalTrackParam.h> | |
27 | #include <AliEveTrack.h> | |
28 | #include <AliEveTrackCounter.h> | |
29 | #include <AliEveMagField.h> | |
30 | #include <AliEveEventManager.h> | |
e9ece5b4 | 31 | #endif |
32 | ||
33 | ||
29207369 | 34 | // Use inner-tpc track params when its refit failed. |
35 | Bool_t g_esd_tracks_use_ip_on_failed_its_refit = kFALSE; | |
36 | ||
6336e5d7 | 37 | // Use magnetic-field as retrieved from GRP. |
38 | Bool_t g_esd_tracks_true_field = kTRUE; | |
39 | ||
40 | // Use Runge-Kutta track stepper. | |
41 | Bool_t g_esd_tracks_rk_stepper = kFALSE; | |
42 | ||
43 | ||
44 | //============================================================================== | |
45 | ||
46 | void esd_track_propagator_setup(TEveTrackPropagator* trkProp, | |
47 | Float_t magF, Float_t maxR) | |
48 | { | |
49 | if (g_esd_tracks_true_field) | |
50 | { | |
51 | trkProp->SetMagFieldObj(new AliEveMagField); | |
52 | } | |
53 | else | |
54 | { | |
55 | trkProp->SetMagField(magF); | |
56 | } | |
57 | if (g_esd_tracks_rk_stepper) | |
58 | { | |
59 | trkProp->SetStepper(TEveTrackPropagator::kRungeKutta); | |
60 | } | |
61 | trkProp->SetMaxR(maxR); | |
62 | } | |
63 | ||
64 | //============================================================================== | |
65 | ||
29207369 | 66 | TString esd_track_title(AliESDtrack* t) |
ad5abc55 | 67 | { |
68 | TString s; | |
29207369 | 69 | |
70 | Int_t label = t->GetLabel(), index = t->GetID(); | |
71 | TString idx(index == kMinInt ? "<undef>" : Form("%d", index)); | |
72 | TString lbl(label == kMinInt ? "<undef>" : Form("%d", label)); | |
73 | ||
74 | Double_t p[3], v[3]; | |
75 | t->GetXYZ(v); | |
76 | t->GetPxPyPz(p); | |
d6962cc4 | 77 | Double_t pt = t->Pt(); |
78 | Double_t ptsig = TMath::Sqrt(t->GetSigma1Pt2()); | |
79 | Double_t ptsq = pt*pt; | |
80 | Double_t ptm = pt / (1.0 + pt*ptsig); | |
81 | Double_t ptM = pt / (1.0 - pt*ptsig); | |
29207369 | 82 | |
83 | s = Form("Index=%s, Label=%s\nChg=%d, Pdg=%d\n" | |
d6962cc4 | 84 | "pT = %.3f + %.3f - %.3f [%.3f]\n" |
85 | "P = (%.3f, %.3f, %.3f)\n" | |
86 | "V = (%.3f, %.3f, %.3f)\n", | |
29207369 | 87 | idx.Data(), lbl.Data(), t->Charge(), 0, |
d6962cc4 | 88 | pt, ptM - pt, pt - ptm, ptsig*ptsq, |
89 | p[0], p[1], p[2], | |
90 | v[0], v[1], v[2]); | |
29207369 | 91 | |
ad5abc55 | 92 | Int_t o; |
d6962cc4 | 93 | s += "Det (in,out,refit,pid):\n"; |
ad5abc55 | 94 | o = AliESDtrack::kITSin; |
6b7fd3a4 | 95 | s += Form("ITS (%d,%d,%d,%d) ", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3)); |
ad5abc55 | 96 | o = AliESDtrack::kTPCin; |
6b7fd3a4 | 97 | s += Form("TPC(%d,%d,%d,%d)\n", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3)); |
ad5abc55 | 98 | o = AliESDtrack::kTRDin; |
6b7fd3a4 | 99 | s += Form("TRD(%d,%d,%d,%d) ", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3)); |
ad5abc55 | 100 | o = AliESDtrack::kTOFin; |
6b7fd3a4 | 101 | s += Form("TOF(%d,%d,%d,%d)\n", t->IsOn(o), t->IsOn(o<<1), t->IsOn(o<<2), t->IsOn(o<<3)); |
ad5abc55 | 102 | o = AliESDtrack::kHMPIDout; |
6b7fd3a4 | 103 | s += Form("HMPID(out=%d,pid=%d)\n", t->IsOn(o), t->IsOn(o<<1)); |
ad5abc55 | 104 | s += Form("ESD pid=%d", t->IsOn(AliESDtrack::kESDpid)); |
86f12f78 | 105 | |
29207369 | 106 | if (t->IsOn(AliESDtrack::kESDpid)) |
107 | { | |
108 | Double_t pid[5]; | |
109 | t->GetESDpid(pid); | |
110 | s += Form("\n[%.2f %.2f %.2f %.2f %.2f]", pid[0], pid[1], pid[2], pid[3], pid[4]); | |
111 | } | |
51346b82 | 112 | |
29207369 | 113 | return s; |
86f12f78 | 114 | } |
115 | ||
6336e5d7 | 116 | //============================================================================== |
117 | ||
e9ece5b4 | 118 | void esd_track_add_param(AliEveTrack* track, const AliExternalTrackParam* tp) |
c222eb1d | 119 | { |
29207369 | 120 | // Add additional track parameters as a path-mark to track. |
121 | ||
c222eb1d | 122 | if (tp == 0) |
123 | return; | |
124 | ||
29207369 | 125 | Double_t pbuf[3], vbuf[3]; |
c222eb1d | 126 | tp->GetXYZ(vbuf); |
127 | tp->GetPxPyPz(pbuf); | |
128 | ||
a15e6d7d | 129 | TEvePathMark pm(TEvePathMark::kReference); |
130 | pm.fV.Set(vbuf); | |
131 | pm.fP.Set(pbuf); | |
c222eb1d | 132 | track->AddPathMark(pm); |
133 | } | |
134 | ||
6336e5d7 | 135 | //============================================================================== |
136 | ||
8e37954c | 137 | AliEveTrack* esd_make_track_TPC(AliESDtrack *at, AliESDfriendTrack* aft, TEveTrackList* cont) |
138 | { | |
139 | // Make a TPC track representation and put it into given container. | |
140 | ||
141 | AliEveTrack* track = new AliEveTrack(at, cont->GetPropagator()); | |
142 | track->SetAttLineAttMarker(cont); | |
143 | track->SetName(Form("AliEveTrack %d", at->GetID())); | |
144 | track->SetElementTitle(esd_track_title(at)); | |
145 | track->SetSourceObject(at); | |
146 | ||
147 | // Add inner/outer track parameters as start point and pathmark. | |
148 | if (at->GetInnerParam()) track->SetStartParams(at->GetInnerParam()); | |
149 | else return NULL; | |
150 | if (aft->GetTPCOut()) esd_track_add_param(track, aft->GetTPCOut()); | |
151 | else return NULL; | |
152 | ||
153 | return track; | |
154 | } | |
155 | ||
7b4a06f8 | 156 | AliEveTrack* esd_make_track_ITS_standalone(AliESDtrack *at, AliESDfriendTrack* aft, TEveTrackList* cont) |
157 | { | |
158 | // Make a ITS standalone track representation and put it into given container. | |
159 | ||
160 | if ( !(!at->IsOn(AliESDtrack::kTPCin) && | |
161 | at->IsOn(AliESDtrack::kITSout)) ) return NULL; //only ITS standalone | |
162 | AliEveTrack* track = new AliEveTrack(at, cont->GetPropagator()); | |
163 | track->SetAttLineAttMarker(cont); | |
164 | track->SetName(Form("AliEveTrack %d", at->GetID())); | |
165 | track->SetElementTitle(esd_track_title(at)); | |
166 | track->SetSourceObject(at); | |
167 | ||
168 | // Add inner/outer track parameters as path-marks. | |
169 | if (aft->GetITSOut()) | |
170 | { | |
171 | esd_track_add_param(track, aft->GetITSOut()); | |
172 | } | |
173 | else return NULL; | |
174 | ||
175 | return track; | |
176 | } | |
177 | ||
8e37954c | 178 | AliEveTrack* esd_make_track_ITS(AliESDtrack *at, AliESDfriendTrack* aft, TEveTrackList* cont) |
179 | { | |
180 | // Make a ITS track representation and put it into given container. | |
181 | ||
7b4a06f8 | 182 | if ( (!at->IsOn(AliESDtrack::kTPCin) && |
183 | at->IsOn(AliESDtrack::kITSout)) ) return NULL; //ignore ITS standalone | |
8e37954c | 184 | AliEveTrack* track = new AliEveTrack(at, cont->GetPropagator()); |
185 | track->SetAttLineAttMarker(cont); | |
186 | track->SetName(Form("AliEveTrack %d", at->GetID())); | |
187 | track->SetElementTitle(esd_track_title(at)); | |
188 | track->SetSourceObject(at); | |
189 | ||
190 | // Add inner/outer track parameters as path-marks. | |
191 | if (aft->GetITSOut()) | |
192 | { | |
8e37954c | 193 | esd_track_add_param(track, aft->GetITSOut()); |
194 | } | |
195 | else return NULL; | |
196 | ||
197 | return track; | |
198 | } | |
199 | ||
e9ece5b4 | 200 | AliEveTrack* esd_make_track(AliESDtrack *at, TEveTrackList* cont) |
29207369 | 201 | { |
202 | // Make a standard track representation and put it into given container. | |
203 | ||
204 | // Choose which parameters to use a track's starting point. | |
205 | // If gkFixFailedITSExtr is TRUE (FALSE by default) and | |
206 | // if ITS refit failed, take track parameters at inner TPC radius. | |
e9ece5b4 | 207 | |
208 | const AliExternalTrackParam* tp = at; | |
29207369 | 209 | |
210 | Bool_t innerTaken = kFALSE; | |
211 | if ( ! at->IsOn(AliESDtrack::kITSrefit) && g_esd_tracks_use_ip_on_failed_its_refit) | |
212 | { | |
213 | tp = at->GetInnerParam(); | |
214 | innerTaken = kTRUE; | |
215 | } | |
216 | ||
50ac85c6 | 217 | AliEveTrack* track = new AliEveTrack(at, cont->GetPropagator()); |
29207369 | 218 | track->SetAttLineAttMarker(cont); |
0e33c639 | 219 | track->SetName(Form("AliEveTrack %d", at->GetID())); |
29207369 | 220 | track->SetElementTitle(esd_track_title(at)); |
9b6216c0 | 221 | track->SetSourceObject(at); |
29207369 | 222 | |
223 | // Add inner/outer track parameters as path-marks. | |
224 | if (at->IsOn(AliESDtrack::kTPCrefit)) | |
225 | { | |
226 | if ( ! innerTaken) | |
227 | { | |
228 | esd_track_add_param(track, at->GetInnerParam()); | |
229 | } | |
230 | esd_track_add_param(track, at->GetOuterParam()); | |
231 | } | |
a15e6d7d | 232 | |
29207369 | 233 | return track; |
234 | } | |
86f12f78 | 235 | |
6336e5d7 | 236 | |
237 | //============================================================================== | |
238 | // esd_tracks() | |
239 | //============================================================================== | |
240 | ||
8e37954c | 241 | TEveTrackList* esd_tracks_TPC() |
242 | { | |
243 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
244 | AliESDfriend* esd_friend = AliEveEventManager::AssertESDfriend(); | |
245 | ||
246 | TEveTrackList* cont = new TEveTrackList("TPC Tracks"); | |
7b4a06f8 | 247 | cont->SetMainColor(kMagenta); |
8e37954c | 248 | |
249 | esd_track_propagator_setup(cont->GetPropagator(), | |
250 | 0.1*esd->GetMagneticField(), 520); | |
251 | ||
252 | gEve->AddElement(cont); | |
253 | ||
254 | Int_t count = 0; | |
255 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
256 | { | |
257 | ++count; | |
258 | if (!esd->GetTrack(n)) continue; | |
259 | if (!esd_friend->GetTrack(n)) continue; | |
260 | AliEveTrack* track = esd_make_track_TPC(esd->GetTrack(n), esd_friend->GetTrack(n), cont); | |
261 | if (!track) continue; | |
262 | ||
263 | cont->AddElement(track); | |
264 | } | |
265 | cont->SetTitle(Form("N=%d", count)); | |
266 | cont->MakeTracks(); | |
267 | ||
268 | gEve->Redraw3D(); | |
269 | ||
270 | return cont; | |
271 | } | |
272 | ||
273 | TEveTrackList* esd_tracks_ITS() | |
274 | { | |
275 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
276 | AliESDfriend* esd_friend = AliEveEventManager::AssertESDfriend(); | |
277 | ||
278 | TEveTrackList* cont = new TEveTrackList("ITS Tracks"); | |
7b4a06f8 | 279 | cont->SetMainColor(kMagenta+3); |
8e37954c | 280 | |
281 | esd_track_propagator_setup(cont->GetPropagator(), | |
282 | 0.1*esd->GetMagneticField(), 520); | |
283 | cont->GetPropagator()->SetMaxR(85.0); | |
284 | cont->SetLineWidth(1); | |
285 | ||
286 | gEve->AddElement(cont); | |
287 | ||
288 | Int_t count = 0; | |
289 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
290 | { | |
291 | ++count; | |
292 | if (!esd->GetTrack(n)) continue; | |
293 | if (!esd_friend->GetTrack(n)) continue; | |
294 | AliEveTrack* track = esd_make_track_ITS(esd->GetTrack(n), esd_friend->GetTrack(n), cont); | |
295 | if (!track) continue; | |
296 | ||
297 | cont->AddElement(track); | |
298 | } | |
299 | cont->SetTitle(Form("N=%d", count)); | |
300 | cont->MakeTracks(); | |
301 | ||
7b4a06f8 | 302 | gEve->Redraw3D(); |
303 | ||
304 | return cont; | |
305 | } | |
306 | ||
307 | TEveTrackList* esd_tracks_ITS_standalone() | |
308 | { | |
309 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
310 | AliESDfriend* esd_friend = AliEveEventManager::AssertESDfriend(); | |
311 | ||
312 | TEveTrackList* cont = new TEveTrackList("ITS Standalone Tracks"); | |
313 | cont->SetMainColor(kBlue); | |
314 | ||
315 | esd_track_propagator_setup(cont->GetPropagator(), | |
316 | 0.1*esd->GetMagneticField(), 520); | |
317 | cont->GetPropagator()->SetMaxR(85.0); | |
318 | cont->SetLineWidth(1); | |
319 | ||
320 | gEve->AddElement(cont); | |
321 | ||
322 | Int_t count = 0; | |
323 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
324 | { | |
325 | ++count; | |
326 | if (!esd->GetTrack(n)) continue; | |
327 | if (!esd_friend->GetTrack(n)) continue; | |
328 | AliEveTrack* track = esd_make_track_ITS_standalone(esd->GetTrack(n), esd_friend->GetTrack(n), cont); | |
329 | if (!track) continue; | |
330 | ||
331 | cont->AddElement(track); | |
332 | } | |
333 | cont->SetTitle(Form("N=%d", count)); | |
334 | cont->MakeTracks(); | |
335 | ||
8e37954c | 336 | gEve->Redraw3D(); |
337 | ||
338 | return cont; | |
339 | } | |
340 | ||
29207369 | 341 | TEveTrackList* esd_tracks() |
5a5a1232 | 342 | { |
d810d0de | 343 | AliESDEvent* esd = AliEveEventManager::AssertESD(); |
5a5a1232 | 344 | |
51346b82 | 345 | TEveTrackList* cont = new TEveTrackList("ESD Tracks"); |
fbc350a3 | 346 | cont->SetMainColor(6); |
6336e5d7 | 347 | |
348 | esd_track_propagator_setup(cont->GetPropagator(), | |
2633d322 | 349 | 0.1*esd->GetMagneticField(), 520); |
5a5a1232 | 350 | |
84aff7a4 | 351 | gEve->AddElement(cont); |
5a5a1232 | 352 | |
29207369 | 353 | Int_t count = 0; |
354 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
d31ac39d | 355 | { |
29207369 | 356 | ++count; |
0e33c639 | 357 | AliEveTrack* track = esd_make_track(esd->GetTrack(n), cont); |
5a5a1232 | 358 | |
29207369 | 359 | cont->AddElement(track); |
360 | } | |
361 | cont->SetTitle(Form("N=%d", count)); | |
362 | cont->MakeTracks(); | |
5a5a1232 | 363 | |
29207369 | 364 | gEve->Redraw3D(); |
5a5a1232 | 365 | |
29207369 | 366 | return cont; |
367 | } | |
5a5a1232 | 368 | |
06219f85 | 369 | TEveTrackList* esd_tracks_MI() |
29207369 | 370 | { |
371 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
c222eb1d | 372 | |
06219f85 | 373 | TEveTrackList* cont = new TEveTrackList("ESD Tracks MI"); |
374 | cont->SetLineColor(5); | |
29207369 | 375 | gEve->AddElement(cont); |
c222eb1d | 376 | |
29207369 | 377 | Int_t count = 0; |
378 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
379 | { | |
380 | ++count; | |
381 | AliESDtrack* at = esd->GetTrack(n); | |
06219f85 | 382 | AliEveTrack* l = new AliEveTrack(at, cont->GetPropagator()); |
29207369 | 383 | l->SetName(Form("ESDTrackMI %d", at->GetID())); |
384 | l->SetElementTitle(esd_track_title(at)); | |
06219f85 | 385 | l->SetAttLineAttMarker(cont); |
9b6216c0 | 386 | l->SetSourceObject(at); |
c222eb1d | 387 | |
06219f85 | 388 | at->FillPolymarker(l, esd->GetMagneticField(), 0, 250, 5); |
389 | ||
390 | l->SetLockPoints(kTRUE); | |
29207369 | 391 | cont->AddElement(l); |
5a5a1232 | 392 | } |
29207369 | 393 | cont->SetTitle(Form("N=%d", count)); |
32e219c2 | 394 | |
84aff7a4 | 395 | gEve->Redraw3D(); |
5a5a1232 | 396 | |
397 | return cont; | |
398 | } | |
399 | ||
6336e5d7 | 400 | |
401 | //============================================================================== | |
a8600b56 | 402 | // esd_tracks_from_array() |
6336e5d7 | 403 | //============================================================================== |
a8600b56 | 404 | |
84aff7a4 | 405 | TEveTrackList* esd_tracks_from_array(TCollection* col, AliESDEvent* esd=0) |
5a5a1232 | 406 | { |
407 | // Retrieves AliESDTrack's from collection. | |
408 | // See example usage with AliAnalysisTrackCuts in the next function. | |
409 | ||
d810d0de | 410 | if (esd == 0) esd = AliEveEventManager::AssertESD(); |
86f12f78 | 411 | |
51346b82 | 412 | TEveTrackList* cont = new TEveTrackList("ESD Tracks"); |
fbc350a3 | 413 | cont->SetMainColor(6); |
6336e5d7 | 414 | |
415 | esd_track_propagator_setup(cont->GetPropagator(), | |
416 | 0.1*esd->GetMagneticField(), 520); | |
5a5a1232 | 417 | |
84aff7a4 | 418 | gEve->AddElement(cont); |
5a5a1232 | 419 | |
5a5a1232 | 420 | Int_t count = 0; |
421 | TIter next(col); | |
422 | TObject *obj; | |
84aff7a4 | 423 | while ((obj = next()) != 0) |
d31ac39d | 424 | { |
29207369 | 425 | if (obj->IsA()->InheritsFrom("AliESDtrack") == kFALSE) |
426 | { | |
427 | Warning("esd_tracks_from_array", "Object '%s', '%s' is not an AliESDtrack.", | |
5a5a1232 | 428 | obj->GetName(), obj->GetTitle()); |
429 | continue; | |
430 | } | |
431 | ||
432 | ++count; | |
e9ece5b4 | 433 | AliESDtrack* at = reinterpret_cast<AliESDtrack*>(obj); |
5a5a1232 | 434 | |
0e33c639 | 435 | AliEveTrack* track = esd_make_track(at, cont); |
29207369 | 436 | cont->AddElement(track); |
5a5a1232 | 437 | } |
6b7fd3a4 | 438 | cont->SetTitle(Form("N=%d", count)); |
5a5a1232 | 439 | cont->MakeTracks(); |
32e219c2 | 440 | |
84aff7a4 | 441 | gEve->Redraw3D(); |
5a5a1232 | 442 | |
443 | return cont; | |
444 | } | |
445 | ||
446 | void esd_tracks_alianalcuts_demo() | |
447 | { | |
d810d0de | 448 | AliESDEvent* esd = AliEveEventManager::AssertESD(); |
5a5a1232 | 449 | |
fcfc8b01 | 450 | AliESDtrackCuts atc; |
5a5a1232 | 451 | atc.SetPtRange(0.1, 5); |
452 | atc.SetRapRange(-1, 1); | |
453 | ||
fcfc8b01 | 454 | esd_tracks_from_array(atc.GetAcceptedTracks(esd), esd); |
5a5a1232 | 455 | } |
a8600b56 | 456 | |
6336e5d7 | 457 | |
458 | //============================================================================== | |
29207369 | 459 | // esd_tracks_by_category |
6336e5d7 | 460 | //============================================================================== |
a8600b56 | 461 | |
462 | Float_t get_sigma_to_vertex(AliESDtrack* esdTrack) | |
463 | { | |
464 | // Taken from: PWG0/esdTrackCuts/AliESDtrackCuts.cxx | |
465 | // Float_t AliESDtrackCuts::GetSigmaToVertex(AliESDtrack* esdTrack) | |
466 | ||
467 | Float_t b[2]; | |
468 | Float_t bRes[2]; | |
469 | Float_t bCov[3]; | |
470 | esdTrack->GetImpactParameters(b,bCov); | |
29207369 | 471 | if (bCov[0] <= 0 || bCov[2] <= 0) |
472 | { | |
d31ac39d | 473 | printf("Estimated b resolution lower or equal zero!\n"); |
29207369 | 474 | bCov[0] = bCov[2] = 0; |
a8600b56 | 475 | } |
476 | bRes[0] = TMath::Sqrt(bCov[0]); | |
477 | bRes[1] = TMath::Sqrt(bCov[2]); | |
478 | ||
479 | // ----------------------------------- | |
480 | // How to get to a n-sigma cut? | |
481 | // | |
482 | // The accumulated statistics from 0 to d is | |
483 | // | |
484 | // -> Erf(d/Sqrt(2)) for a 1-dim gauss (d = n_sigma) | |
485 | // -> 1 - Exp(-d**2) for a 2-dim gauss (d*d = dx*dx + dy*dy != n_sigma) | |
486 | // | |
487 | // It means that for a 2-dim gauss: n_sigma(d) = Sqrt(2)*ErfInv(1 - Exp((-x**2)/2) | |
488 | // Can this be expressed in a different way? | |
489 | ||
29207369 | 490 | if (bRes[0] == 0 || bRes[1] == 0) |
a8600b56 | 491 | return -1; |
492 | ||
493 | Float_t d = TMath::Sqrt(TMath::Power(b[0]/bRes[0],2) + TMath::Power(b[1]/bRes[1],2)); | |
494 | ||
495 | // stupid rounding problem screws up everything: | |
496 | // if d is too big, TMath::Exp(...) gets 0, and TMath::ErfInverse(1) that should be infinite, gets 0 :( | |
497 | if (TMath::Exp(-d * d / 2) < 1e-10) | |
498 | return 1000; | |
499 | ||
500 | d = TMath::ErfInverse(1 - TMath::Exp(-d * d / 2)) * TMath::Sqrt(2); | |
501 | return d; | |
502 | } | |
503 | ||
29207369 | 504 | TEveElementList* esd_tracks_by_category() |
a8600b56 | 505 | { |
440a8bc6 | 506 | // Import ESD tracks, separate them into several containers |
507 | // according to primary-vertex cut and ITS&TPC refit status. | |
508 | ||
509 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
510 | ||
511 | TEveElementList* cont = new TEveElementList("ESD Tracks by category"); | |
512 | gEve->AddElement(cont); | |
513 | ||
514 | const Int_t nCont = 9; | |
515 | const Float_t maxR = 520; | |
516 | const Float_t magF = 0.1*esd->GetMagneticField(); | |
517 | ||
518 | TEveTrackList *tl[nCont]; | |
519 | Int_t tc[nCont]; | |
520 | Int_t count = 0; | |
521 | ||
522 | tl[0] = new TEveTrackList("Sigma < 3"); | |
523 | tc[0] = 0; | |
524 | esd_track_propagator_setup(tl[0]->GetPropagator(), magF, maxR); | |
525 | tl[0]->SetMainColor(3); | |
526 | cont->AddElement(tl[0]); | |
527 | ||
528 | tl[1] = new TEveTrackList("3 < Sigma < 5"); | |
529 | tc[1] = 0; | |
530 | esd_track_propagator_setup(tl[1]->GetPropagator(), magF, maxR); | |
531 | tl[1]->SetMainColor(7); | |
532 | cont->AddElement(tl[1]); | |
533 | ||
534 | tl[2] = new TEveTrackList("5 < Sigma"); | |
535 | tc[2] = 0; | |
536 | esd_track_propagator_setup(tl[2]->GetPropagator(), magF, maxR); | |
537 | tl[2]->SetMainColor(46); | |
538 | cont->AddElement(tl[2]); | |
539 | ||
540 | tl[3] = new TEveTrackList("no ITS refit; Sigma < 5"); | |
541 | tc[3] = 0; | |
542 | esd_track_propagator_setup(tl[3]->GetPropagator(), magF, maxR); | |
543 | tl[3]->SetMainColor(41); | |
544 | cont->AddElement(tl[3]); | |
545 | ||
546 | tl[4] = new TEveTrackList("no ITS refit; Sigma > 5"); | |
547 | tc[4] = 0; | |
548 | esd_track_propagator_setup(tl[4]->GetPropagator(), magF, maxR); | |
549 | tl[4]->SetMainColor(48); | |
550 | cont->AddElement(tl[4]); | |
551 | ||
552 | tl[5] = new TEveTrackList("no TPC refit"); | |
553 | tc[5] = 0; | |
554 | esd_track_propagator_setup(tl[5]->GetPropagator(), magF, maxR); | |
555 | tl[5]->SetMainColor(kRed); | |
556 | cont->AddElement(tl[5]); | |
557 | ||
558 | tl[6] = new TEveTrackList("ITS ncl>=3 & SPD Inner"); | |
559 | tc[6] = 0; | |
560 | esd_track_propagator_setup(tl[6]->GetPropagator(), magF, maxR); | |
561 | tl[6]->SetMainColor(kGreen); | |
562 | cont->AddElement(tl[6]); | |
563 | ||
564 | tl[7] = new TEveTrackList("ITS ncl>=3 & b<3 cm"); | |
565 | tc[7] = 0; | |
566 | esd_track_propagator_setup(tl[7]->GetPropagator(), magF, maxR); | |
567 | tl[7]->SetMainColor(kMagenta - 9); | |
568 | cont->AddElement(tl[7]); | |
569 | ||
570 | tl[8] = new TEveTrackList("ITS others"); | |
571 | tc[8] = 0; | |
572 | esd_track_propagator_setup(tl[8]->GetPropagator(), magF, maxR); | |
573 | tl[8]->SetMainColor(kRed + 2); | |
574 | cont->AddElement(tl[8]); | |
575 | ||
576 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
577 | { | |
578 | AliESDtrack* at = esd->GetTrack(n); | |
579 | ||
580 | Float_t s = get_sigma_to_vertex(at); | |
581 | Int_t ti; | |
582 | if (s < 3) ti = 0; | |
583 | else if (s <= 5) ti = 1; | |
584 | else ti = 2; | |
585 | ||
586 | Int_t nclits; | |
587 | Double_t dtobeam; | |
588 | ||
589 | if (at->IsOn(AliESDtrack::kITSin) && ! at->IsOn(AliESDtrack::kTPCin)) | |
590 | { | |
591 | UChar_t itsclmap = at->GetITSClusterMap(); | |
592 | Bool_t spdinner = (itsclmap & 3) != 0; | |
593 | ||
594 | nclits = 0; | |
595 | for (Int_t iter = 0; iter < 6; ++iter) | |
596 | if (itsclmap & (1 << iter)) nclits ++; | |
597 | ||
598 | Double_t xyz[3]; | |
599 | at->GetXYZ(xyz); | |
600 | dtobeam = TMath::Hypot(xyz[0], xyz[1]); | |
601 | ||
602 | if ((nclits >= 3) && (spdinner)) | |
603 | ti = 6; | |
604 | else if ((nclits >= 3) && (dtobeam < 3.0)) | |
605 | ti = 7; | |
606 | else | |
607 | ti = 8; | |
608 | } | |
609 | else if (at->IsOn(AliESDtrack::kTPCin) && ! at->IsOn(AliESDtrack::kTPCrefit)) | |
610 | { | |
611 | ti = 5; | |
612 | } | |
613 | else if ( ! at->IsOn(AliESDtrack::kITSrefit)) | |
614 | { | |
615 | ti = (ti == 2) ? 4 : 3; | |
616 | } | |
617 | ||
618 | TEveTrackList* tlist = tl[ti]; | |
619 | ++tc[ti]; | |
620 | ++count; | |
621 | ||
622 | AliEveTrack* track = esd_make_track(at, tlist); | |
623 | if (ti<6) | |
624 | track->SetName(Form("ESD Track idx=%d, sigma=%5.3f", at->GetID(), s)); | |
625 | else | |
626 | track->SetName(Form("ESD Track idx=%d, dxy=%5.3f cl=%i", at->GetID(), dtobeam, nclits)); | |
627 | tlist->AddElement(track); | |
628 | } | |
629 | ||
630 | for (Int_t ti = 0; ti < nCont; ++ti) | |
631 | { | |
632 | TEveTrackList* tlist = tl[ti]; | |
633 | tlist->SetName(Form("%s [%d]", tlist->GetName(), tlist->NumChildren())); | |
634 | tlist->SetTitle(Form("N tracks=%d", tc[ti])); | |
635 | ||
636 | tlist->MakeTracks(); | |
637 | ||
638 | // Bool_t good_cont = ti <= 1; | |
639 | Bool_t good_cont = ((ti == 6) || (ti == 7)); | |
640 | if (AliEveTrackCounter::IsActive()) | |
641 | { | |
642 | AliEveTrackCounter::fgInstance->RegisterTracks(tlist, good_cont); | |
643 | } | |
644 | else | |
645 | { | |
646 | if ( ! good_cont) | |
647 | tlist->SetLineStyle(6); | |
648 | } | |
649 | } | |
650 | cont->SetTitle(Form("N all tracks = %d", count)); | |
651 | // ??? The following does not always work: | |
652 | cont->FindListTreeItem(gEve->GetListTree())->SetOpen(kTRUE); | |
653 | ||
654 | gEve->Redraw3D(); | |
655 | ||
656 | return cont; | |
a8600b56 | 657 | } |
5320a363 | 658 | |
659 | ||
660 | //============================================================================== | |
661 | // esd_tracks_by_anal_cuts | |
662 | //============================================================================== | |
663 | ||
664 | AliESDtrackCuts* g_esd_tracks_anal_cuts = 0; | |
665 | ||
666 | TEveElementList* esd_tracks_by_anal_cuts() | |
667 | { | |
668 | AliESDEvent* esd = AliEveEventManager::AssertESD(); | |
669 | ||
670 | if (g_esd_tracks_anal_cuts == 0) | |
671 | { | |
b118e3ec | 672 | gSystem->Load("libPWGUDbase"); |
673 | gROOT->ProcessLine(".L $ALICE_ROOT/PWGUD/CreateStandardCuts.C"); | |
5065a65b | 674 | Int_t mode = AliPWG0Helper::kTPC; |
5320a363 | 675 | if (TMath::Abs(esd->GetMagneticField()) > 0.01) |
676 | mode |= AliPWG0Helper::kFieldOn; | |
15c12442 | 677 | gROOT->ProcessLine(Form("g_esd_tracks_anal_cuts = CreateTrackCuts(%d, kFALSE)", mode)); |
5320a363 | 678 | } |
679 | ||
680 | TEveElementList* cont = new TEveElementList("ESD Tracks by Analysis Cuts"); | |
681 | gEve->AddElement(cont); | |
682 | ||
683 | const Int_t nCont = 2; | |
684 | const Float_t maxR = 520; | |
685 | const Float_t magF = 0.1*esd->GetMagneticField(); | |
686 | ||
687 | TEveTrackList *tl[nCont]; | |
688 | Int_t tc[nCont]; | |
689 | Int_t count = 0; | |
690 | ||
691 | tl[0] = new TEveTrackList("Passed"); | |
692 | tc[0] = 0; | |
693 | esd_track_propagator_setup(tl[0]->GetPropagator(), magF, maxR); | |
694 | tl[0]->SetMainColor(3); | |
695 | cont->AddElement(tl[0]); | |
696 | ||
697 | tl[1] = new TEveTrackList("Rejected"); | |
698 | tc[1] = 0; | |
699 | esd_track_propagator_setup(tl[1]->GetPropagator(), magF, maxR); | |
700 | tl[1]->SetMainColor(kRed); | |
701 | cont->AddElement(tl[1]); | |
702 | ||
703 | for (Int_t n = 0; n < esd->GetNumberOfTracks(); ++n) | |
704 | { | |
705 | AliESDtrack* at = esd->GetTrack(n); | |
706 | ||
707 | Float_t s = get_sigma_to_vertex(at); | |
708 | Int_t ti = (g_esd_tracks_anal_cuts->AcceptTrack(at)) ? 0 : 1; | |
709 | ||
710 | TEveTrackList* tlist = tl[ti]; | |
711 | ++tc[ti]; | |
712 | ++count; | |
713 | ||
714 | AliEveTrack* track = esd_make_track(at, tlist); | |
715 | track->SetName(Form("ESD Track idx=%d, sigma=%5.3f", at->GetID(), s)); | |
716 | tlist->AddElement(track); | |
717 | } | |
718 | ||
719 | for (Int_t ti = 0; ti < nCont; ++ti) | |
720 | { | |
721 | TEveTrackList* tlist = tl[ti]; | |
722 | tlist->SetName(Form("%s [%d]", tlist->GetName(), tlist->NumChildren())); | |
723 | tlist->SetTitle(Form("N tracks=%d", tc[ti])); | |
724 | ||
725 | tlist->MakeTracks(); | |
726 | ||
727 | Bool_t good_cont = ti < 1; | |
728 | if (AliEveTrackCounter::IsActive()) | |
729 | { | |
730 | AliEveTrackCounter::fgInstance->RegisterTracks(tlist, good_cont); | |
731 | } | |
732 | else | |
733 | { | |
734 | if ( ! good_cont) | |
735 | tlist->SetLineStyle(6); | |
736 | } | |
737 | } | |
738 | cont->SetTitle(Form("N all tracks = %d", count)); | |
739 | // ??? The following does not always work: | |
740 | cont->FindListTreeItem(gEve->GetListTree())->SetOpen(kTRUE); | |
741 | ||
742 | gEve->Redraw3D(); | |
743 | ||
744 | return cont; | |
745 | } |