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a73f33f0 | 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 | ||
b2a60966 | 16 | /* $Id$ */ |
17 | ||
a73f33f0 | 18 | //_________________________________________________________________________ |
b2a60966 | 19 | // A Particle modified by PHOS response and produced by AliPHOSvFast |
20 | // To become a general class of AliRoot ? | |
3f6cb8ae | 21 | //-- |
22 | // This is also a base class for AliPHOSRecParticle produced by AliPHOSPIDv1 | |
23 | // The rec.particle type is to be defined by AliPHOSvFast or AliPHOSPIDv1 | |
24 | //-- | |
b2a60966 | 25 | //*-- Author: Yves Schutz (SUBATECH) |
a73f33f0 | 26 | |
27 | // --- ROOT system --- | |
28 | ||
29 | // --- Standard library --- | |
30 | ||
a73f33f0 | 31 | // --- AliRoot header files --- |
32 | ||
33 | #include "AliPHOSFastRecParticle.h" | |
34 | #include "TPad.h" | |
35 | #include "TPaveText.h" | |
36 | ||
9ec91567 | 37 | ClassImp(AliPHOSFastRecParticle) ; |
a73f33f0 | 38 | |
03c03c49 | 39 | //____________________________________________________________________________ |
40 | AliPHOSFastRecParticle::AliPHOSFastRecParticle() : TParticle() | |
41 | { | |
42 | // ctor | |
43 | fType = 0 ; | |
44 | } | |
45 | ||
a73f33f0 | 46 | //____________________________________________________________________________ |
47 | AliPHOSFastRecParticle::AliPHOSFastRecParticle(const AliPHOSFastRecParticle & rp) | |
a8c47ab6 | 48 | : TParticle(rp) |
a73f33f0 | 49 | { |
b2a60966 | 50 | // copy ctor |
51 | ||
6a40c29e | 52 | fType = rp.fType ; |
cafda784 | 53 | fPdgCode = rp.fPdgCode; |
54 | fStatusCode = rp.fStatusCode; | |
55 | fMother[0] = rp.fMother[0]; | |
56 | fMother[1] = rp.fMother[1]; | |
57 | fDaughter[0] = rp.fDaughter[0]; | |
58 | fDaughter[1] = rp.fDaughter[1]; | |
59 | fWeight = rp.fWeight; | |
60 | fCalcMass = rp.fCalcMass; | |
61 | fPx = rp.fPx; | |
62 | fPy = rp.fPy; | |
63 | fPz = rp.fPz; | |
64 | fE = rp.fE; | |
65 | fVx = rp.fVx; | |
66 | fVy = rp.fVy; | |
67 | fVz = rp.fVz; | |
68 | fVt = rp.fVt; | |
69 | fPolarTheta = rp.fPolarTheta; | |
70 | fPolarPhi = rp.fPolarPhi; | |
71 | fParticlePDG = rp.fParticlePDG; | |
a73f33f0 | 72 | } |
73 | ||
74 | //____________________________________________________________________________ | |
75 | AliPHOSFastRecParticle::AliPHOSFastRecParticle(const TParticle & pp) | |
76 | { | |
b2a60966 | 77 | // ctor from a TParticle (crummy?!) |
78 | ||
31aa6d6c | 79 | TParticle & pnoconst = (TParticle &)(pp) ; |
80 | AliPHOSFastRecParticle & p = (AliPHOSFastRecParticle &)(pnoconst) ; | |
03c03c49 | 81 | fType = 0 ; |
a73f33f0 | 82 | fPdgCode = p.fPdgCode; |
83 | fStatusCode = p.fStatusCode; | |
84 | fMother[0] = p.fMother[0]; | |
85 | fMother[1] = p.fMother[1]; | |
86 | fDaughter[0] = p.fDaughter[0]; | |
87 | fDaughter[1] = p.fDaughter[1]; | |
88 | fWeight = p.fWeight; | |
89 | fCalcMass = p.fCalcMass; | |
90 | fPx = p.fPx; | |
91 | fPy = p.fPy; | |
92 | fPz = p.fPz; | |
93 | fE = p.fE; | |
94 | fVx = p.fVx; | |
95 | fVy = p.fVy; | |
96 | fVz = p.fVz; | |
97 | fVt = p.fVt; | |
98 | fPolarTheta = p.fPolarTheta; | |
99 | fPolarPhi = p.fPolarPhi; | |
100 | fParticlePDG = p.fParticlePDG; | |
78022019 | 101 | |
a73f33f0 | 102 | } |
103 | ||
a73f33f0 | 104 | //____________________________________________________________________________ |
105 | Int_t AliPHOSFastRecParticle::DistancetoPrimitive(Int_t px, Int_t py) | |
106 | { | |
107 | // Compute distance from point px,py to a AliPHOSFastRecParticle considered as a Tmarker | |
108 | // Compute the closest distance of approach from point px,py to this marker. | |
109 | // The distance is computed in pixels units. | |
110 | ||
111 | Double_t kRADDEG = 180. / TMath::Pi() ; | |
112 | Coord_t x = Phi() * kRADDEG ; | |
113 | Coord_t y = Theta() * kRADDEG ; | |
114 | const Int_t kMaxDiff = 10; | |
115 | Int_t pxm = gPad->XtoAbsPixel(x); | |
116 | Int_t pym = gPad->YtoAbsPixel(y); | |
117 | Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym); | |
118 | ||
119 | if (dist > kMaxDiff) return 9999; | |
120 | return dist; | |
121 | } | |
122 | ||
123 | //___________________________________________________________________________ | |
124 | void AliPHOSFastRecParticle::Draw(Option_t *option) | |
125 | { | |
126 | // Draw this AliPHOSFastRecParticle with its current attributes | |
127 | ||
128 | AppendPad(option); | |
129 | } | |
130 | ||
131 | //______________________________________________________________________________ | |
8f2a3661 | 132 | void AliPHOSFastRecParticle::ExecuteEvent(Int_t event, Int_t , Int_t ) |
a73f33f0 | 133 | { |
134 | // Execute action corresponding to one event | |
135 | // This member function is called when a AliPHOSFastRecParticle is clicked with the locator | |
794c2bc3 | 136 | |
a73f33f0 | 137 | if (!gPad->IsEditable()) |
138 | return ; | |
794c2bc3 | 139 | |
a73f33f0 | 140 | static TPaveText * clustertext = 0 ; |
794c2bc3 | 141 | |
a73f33f0 | 142 | switch (event) { |
143 | ||
144 | case kButton1Down: { | |
145 | Double_t kRADDEG = 180. / TMath::Pi() ; | |
146 | Coord_t x = Phi() * kRADDEG ; | |
147 | Coord_t y = Theta() * kRADDEG ; | |
148 | clustertext = new TPaveText(x-1, y+1, x+5, y+3, "") ; | |
149 | Text_t line1[40] ; | |
150 | Text_t line2[40] ; | |
151 | sprintf( line1, "PID: %s ", (const char*)Name() ) ; | |
152 | sprintf( line2, "ENERGY: %f ", Energy() ) ; | |
153 | clustertext ->AddText(line1) ; | |
154 | clustertext ->AddText(line2) ; | |
155 | clustertext ->Draw(""); | |
156 | gPad->Update() ; | |
157 | break ; | |
158 | } | |
159 | ||
160 | case kButton1Up: { | |
161 | delete clustertext ; | |
162 | clustertext = 0 ; | |
163 | gPad->Update() ; | |
a4e98857 | 164 | break ; |
a73f33f0 | 165 | } |
a73f33f0 | 166 | } |
794c2bc3 | 167 | |
a73f33f0 | 168 | } |
794c2bc3 | 169 | |
a73f33f0 | 170 | //____________________________________________________________________________ |
80457dd3 | 171 | Bool_t AliPHOSFastRecParticle::IsPhoton(TString purity) const |
3f6cb8ae | 172 | { |
173 | // Rec.Particle is a photon if it has a photon-like shape, fast and neutral | |
174 | // photon-like shape is defined with a purity "low", "medium" or "high" | |
175 | ||
80457dd3 | 176 | purity.ToLower(); |
3f6cb8ae | 177 | Bool_t photonLike = kFALSE; |
80457dd3 | 178 | if (purity == "low" ) photonLike = TestPIDBit(6); |
179 | else if (purity == "medium") photonLike = TestPIDBit(7); | |
180 | else if (purity == "high" ) photonLike = TestPIDBit(8); | |
181 | else Error("IsPhoton","Wrong purity type: \'%s\'",purity.Data()); | |
3f6cb8ae | 182 | if (photonLike && // photon by PCA |
183 | (TestPIDBit(5)||TestPIDBit(4)||TestPIDBit(3))&& // fast by TOF | |
184 | (TestPIDBit(2)||TestPIDBit(1)||TestPIDBit(0))) // neutral by CPV | |
185 | return kTRUE ; | |
186 | else | |
187 | return kFALSE; | |
188 | } | |
189 | ||
190 | //____________________________________________________________________________ | |
80457dd3 | 191 | Bool_t AliPHOSFastRecParticle::IsPi0(TString purity) const |
3f6cb8ae | 192 | { |
193 | // Rec.Particle is a pi0 if it has a pi0-like shape, fast and neutral | |
194 | // pi0-like shape is defined with a purity "low", "medium" or "high" | |
195 | ||
80457dd3 | 196 | purity.ToLower(); |
3f6cb8ae | 197 | Bool_t pi0Like = kFALSE; |
80457dd3 | 198 | if (purity == "low" ) pi0Like = TestPIDBit(9); |
199 | else if (purity == "medium") pi0Like = TestPIDBit(10); | |
200 | else if (purity == "high" ) pi0Like = TestPIDBit(11); | |
201 | else Error("IsPi0","Wrong purity type: %s",purity.Data()); | |
3f6cb8ae | 202 | if (pi0Like && // pi0 by PCA |
203 | (TestPIDBit(5)||TestPIDBit(4)||TestPIDBit(3))&& // fast by TOF | |
204 | (TestPIDBit(2)||TestPIDBit(1)||TestPIDBit(0))) // neutral by CPV | |
205 | return kTRUE ; | |
206 | else | |
207 | return kFALSE; | |
208 | } | |
209 | ||
210 | //____________________________________________________________________________ | |
80457dd3 | 211 | Bool_t AliPHOSFastRecParticle::IsElectron(TString purity) const |
3f6cb8ae | 212 | { |
213 | // Rec.Particle is an electron if it has a photon-like shape, fast and charged | |
214 | // photon-like shape is defined with a purity "low", "medium" or "high" | |
215 | ||
80457dd3 | 216 | purity.ToLower(); |
3f6cb8ae | 217 | Bool_t photonLike = kFALSE; |
80457dd3 | 218 | if (purity == "low" ) photonLike = TestPIDBit(6); |
219 | else if (purity == "medium") photonLike = TestPIDBit(7); | |
220 | else if (purity == "high" ) photonLike = TestPIDBit(8); | |
221 | else Error("IsElectron","Wrong purity type: %s",purity.Data()); | |
3f6cb8ae | 222 | if (photonLike && // photon by PCA |
223 | (TestPIDBit(5)||TestPIDBit(4)||TestPIDBit(3))&& // fast by TOF | |
224 | !(TestPIDBit(2)||TestPIDBit(1)||TestPIDBit(0))) // charged by CPV | |
225 | return kTRUE ; | |
226 | else | |
227 | return kFALSE; | |
228 | } | |
229 | ||
e3817e5f | 230 | //____________________________________________________________________________ |
231 | Bool_t AliPHOSFastRecParticle::IsHardPhoton() const | |
232 | { | |
233 | // Rec.Particle is a hard photon (E > 30 GeV) if its second moment M2x | |
234 | // corresponds to photons | |
235 | if (TestPIDBit(12)) | |
236 | return kTRUE; | |
237 | else | |
238 | return kFALSE; | |
239 | } | |
240 | ||
241 | //____________________________________________________________________________ | |
242 | Bool_t AliPHOSFastRecParticle::IsHardPi0() const | |
243 | { | |
244 | // Rec.Particle is a hard pi0 (E > 30 GeV) if its second moment M2x | |
245 | // corresponds to pi0 | |
246 | if (TestPIDBit(13)) | |
247 | return kTRUE; | |
248 | else | |
249 | return kFALSE; | |
250 | } | |
251 | ||
3f6cb8ae | 252 | //____________________________________________________________________________ |
253 | Bool_t AliPHOSFastRecParticle::IsHadron() const | |
254 | { | |
255 | // Rec.Particle is an hadron if it does not look like | |
256 | // a low-purity photon nor low-purity pi0 | |
257 | ||
258 | if ( !TestPIDBit(6) && !TestPIDBit(9) ) // not photon nor pi0 | |
259 | return kTRUE ; | |
260 | else | |
261 | return kFALSE; | |
262 | } | |
263 | ||
264 | //____________________________________________________________________________ | |
265 | Bool_t AliPHOSFastRecParticle::IsChargedHadron() const | |
266 | { | |
267 | // Rec.Particle is a charged hadron if it does not look like | |
268 | // a low-purity photon nor low-purity pi0 and is low-purity charged | |
269 | ||
270 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
271 | !TestPIDBit(2)) // charged by CPV | |
272 | return kTRUE ; | |
273 | else | |
274 | return kFALSE; | |
275 | } | |
276 | ||
277 | //____________________________________________________________________________ | |
278 | Bool_t AliPHOSFastRecParticle::IsNeutralHadron() const | |
279 | { | |
280 | // Rec.Particle is a neutral hadron if it does not look like | |
281 | // a low-purity photon nor low-purity pi0 and is high-purity neutral | |
282 | ||
283 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
284 | TestPIDBit(2)) // neutral by CPV | |
285 | return kTRUE ; | |
286 | else | |
287 | return kFALSE; | |
288 | } | |
289 | ||
290 | //____________________________________________________________________________ | |
291 | Bool_t AliPHOSFastRecParticle::IsFastChargedHadron() const | |
292 | { | |
293 | // Rec.Particle is a fast charged hadron if it does not look like | |
294 | // a low-purity photon nor low-purity pi0, is low-purity charged | |
295 | // and is high-purity fast | |
296 | ||
297 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
298 | !TestPIDBit(2) && // charged by CPV | |
299 | TestPIDBit(5)) // fast by TOF | |
300 | return kTRUE ; | |
301 | else | |
302 | return kFALSE; | |
303 | } | |
304 | ||
305 | //____________________________________________________________________________ | |
306 | Bool_t AliPHOSFastRecParticle::IsSlowChargedHadron() const | |
307 | { | |
308 | // Rec.Particle is a slow neutral hadron if it does not look like | |
309 | // a low-purity photon nor low-purity pi0, is high-purity neutral | |
310 | // and is not high-purity fast | |
311 | ||
312 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
313 | !TestPIDBit(2) && // charged by CPV | |
314 | !TestPIDBit(5)) // slow by TOF | |
315 | return kTRUE ; | |
316 | else | |
317 | return kFALSE; | |
318 | ||
319 | } | |
320 | ||
321 | //____________________________________________________________________________ | |
322 | Bool_t AliPHOSFastRecParticle::IsFastNeutralHadron() const | |
323 | { | |
324 | // Rec.Particle is a fast neutral hadron if it does not look like | |
325 | // a low-purity photon nor low-purity pi0, is high-purity neutral | |
326 | // and is high-purity fast | |
327 | ||
328 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
329 | TestPIDBit(2) && // neutral by CPV | |
330 | TestPIDBit(5)) // fast by TOF | |
331 | return kTRUE ; | |
332 | else | |
333 | return kFALSE; | |
334 | } | |
335 | ||
336 | //____________________________________________________________________________ | |
337 | Bool_t AliPHOSFastRecParticle::IsSlowNeutralHadron() const | |
338 | { | |
339 | // Rec.Particle is a slow neutral hadron if it does not look like | |
340 | // a low-purity photon nor low-purity pi0, is high-purity neutral | |
341 | // and is not high-purity fast | |
342 | ||
343 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
344 | TestPIDBit(2) && // neutral by CPV | |
345 | !TestPIDBit(5)) // slow by TOF | |
346 | return kTRUE ; | |
347 | else | |
348 | return kFALSE; | |
349 | } | |
350 | ||
351 | //____________________________________________________________________________ | |
352 | TString AliPHOSFastRecParticle::Name() const | |
a73f33f0 | 353 | { |
794c2bc3 | 354 | // Returns the name of the particle type (only valid if PIDv1 is employed) |
a73f33f0 | 355 | |
794c2bc3 | 356 | TString name ; |
3f6cb8ae | 357 | |
358 | name = "Undefined particle" ; | |
794c2bc3 | 359 | |
3f6cb8ae | 360 | if (IsPhoton("low")) |
361 | name = "Photon low purity "; | |
362 | else if (IsPhoton("medium")) | |
363 | name = "Photon medium purity"; | |
364 | else if (IsPhoton("high")) | |
365 | name = "Photon high purity "; | |
366 | ||
367 | if (IsPi0("low")) | |
368 | name += "Pi0 low purity "; | |
369 | else if (IsPi0("medium")) | |
370 | name += "Pi0 medium purity "; | |
371 | else if (IsPi0("high")) | |
372 | name += "Pi0 high purity "; | |
373 | ||
374 | if (IsElectron("low")) | |
375 | name += "Electron low purity "; | |
376 | else if (IsElectron("medium")) | |
377 | name += "Electron medium purity "; | |
378 | else if (IsElectron("high")) | |
379 | name += "Electron high purity "; | |
380 | ||
381 | if (IsHadron()) { | |
382 | name = "hadron"; | |
383 | if (IsChargedHadron()) { | |
384 | name.Prepend("charged "); | |
385 | if (IsFastChargedHadron()) | |
386 | name.Prepend("fast "); | |
387 | else if (IsSlowChargedHadron()) | |
388 | name.Prepend("slow "); | |
389 | } | |
390 | else if (IsNeutralHadron()) { | |
391 | name.Prepend("neutral "); | |
392 | if (IsFastNeutralHadron()) | |
393 | name.Prepend("fast "); | |
394 | else if (IsSlowNeutralHadron()) | |
395 | name.Prepend("slow "); | |
396 | } | |
397 | } | |
398 | ||
a73f33f0 | 399 | return name ; |
400 | } | |
401 | ||
14f6a871 | 402 | |
403 | //______________________________________________________________________________ | |
404 | void AliPHOSFastRecParticle::SetType(Int_t type) { | |
405 | // sets the particle type | |
3f6cb8ae | 406 | // bit-mask of the particle type means the following: |
407 | // bits 0,1,2 - neutral particle with low, medium and high purity | |
408 | // bits 3.4,5 - fast particle with low, medium and high purity | |
409 | // bits 6.7,8 - photon shower with low, medium and high purity | |
410 | // bits 9,10,11 - hard-pi0 shower with low, medium and high purity | |
411 | ||
14f6a871 | 412 | fType = type ; |
413 | ||
414 | if((type == 127) || (fType == 511) || (fType == 255) ||(fType == 383)||(fType == 447)){ | |
415 | fPdgCode = 22 ; | |
416 | return ; | |
417 | } | |
418 | ||
419 | if ((fType == 63)|| ((fType < 8)&&(fType > 0)) ){ | |
420 | fPdgCode = 2112 ; | |
421 | return ; | |
422 | } | |
423 | if ( ((fType == 504) || (fType == 505) ||(fType == 248)||(fType == 249)||(fType == 120)||(fType == 121)) ){ | |
424 | fPdgCode = 11 ; | |
425 | return ; | |
426 | } | |
427 | if ((fType == 448) || (fType == 449) ||(fType == 192)||(fType == 193)||(fType == 64)||(fType == 64)){ | |
428 | fPdgCode = 13 ; | |
429 | return ; | |
430 | } | |
431 | if((fType == 56)||(fType == 57)){ | |
432 | fPdgCode = 211 ; | |
433 | return ; | |
434 | } | |
435 | if (fType == 0){ | |
436 | fPdgCode = 2212 ; | |
437 | return ; | |
438 | } | |
439 | ||
440 | } | |
441 | ||
a73f33f0 | 442 | //______________________________________________________________________________ |
443 | void AliPHOSFastRecParticle::Paint(Option_t *) | |
444 | { | |
b2a60966 | 445 | // Paint this ALiRecParticle in theta,phi coordinate as a TMarker with its current attributes |
a73f33f0 | 446 | |
447 | Double_t kRADDEG = 180. / TMath::Pi() ; | |
b2a60966 | 448 | Coord_t x = Phi() * kRADDEG ; |
449 | Coord_t y = Theta() * kRADDEG ; | |
450 | Color_t markercolor = 1 ; | |
451 | Size_t markersize = 1. ; | |
452 | Style_t markerstyle = 5 ; | |
453 | ||
454 | if (!gPad->IsBatch()) { | |
455 | gVirtualX->SetMarkerColor(markercolor) ; | |
456 | gVirtualX->SetMarkerSize (markersize) ; | |
457 | gVirtualX->SetMarkerStyle(markerstyle) ; | |
458 | } | |
459 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ; | |
460 | gPad->PaintPolyMarker(1,&x,&y,"") ; | |
a73f33f0 | 461 | } |
462 | ||
463 | //____________________________________________________________________________ | |
e957fea8 | 464 | void AliPHOSFastRecParticle::Print()const |
a73f33f0 | 465 | { |
a4e98857 | 466 | // Print the type, energy and momentum of the reconstructed particle |
3f6cb8ae | 467 | |
21cd0c07 | 468 | TString message ; |
3f6cb8ae | 469 | message = "\n PID bits are %d%d%d %d%d%d %d%d%d %d%d%d" ; |
470 | message += ", type is \"%s\"\n" ; | |
471 | message += " (E,Px,Py,Pz) = (% .3e, % .3e, % .3e, % .3e) GeV\n" ; | |
21cd0c07 | 472 | Info("Print", message.Data(), |
3f6cb8ae | 473 | TestPIDBit(0),TestPIDBit(1), |
474 | TestPIDBit(2),TestPIDBit(3), | |
475 | TestPIDBit(4),TestPIDBit(5), | |
476 | TestPIDBit(6),TestPIDBit(7), | |
477 | TestPIDBit(8),TestPIDBit(9), | |
478 | TestPIDBit(10),TestPIDBit(11), | |
21cd0c07 | 479 | Name().Data(), |
53ad38d8 | 480 | Energy(), |
481 | Px(), | |
482 | Py(), | |
483 | Pz() ); | |
a73f33f0 | 484 | } |