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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) | |
48 | { | |
b2a60966 | 49 | // copy ctor |
50 | ||
6a40c29e | 51 | fType = rp.fType ; |
cafda784 | 52 | fPdgCode = rp.fPdgCode; |
53 | fStatusCode = rp.fStatusCode; | |
54 | fMother[0] = rp.fMother[0]; | |
55 | fMother[1] = rp.fMother[1]; | |
56 | fDaughter[0] = rp.fDaughter[0]; | |
57 | fDaughter[1] = rp.fDaughter[1]; | |
58 | fWeight = rp.fWeight; | |
59 | fCalcMass = rp.fCalcMass; | |
60 | fPx = rp.fPx; | |
61 | fPy = rp.fPy; | |
62 | fPz = rp.fPz; | |
63 | fE = rp.fE; | |
64 | fVx = rp.fVx; | |
65 | fVy = rp.fVy; | |
66 | fVz = rp.fVz; | |
67 | fVt = rp.fVt; | |
68 | fPolarTheta = rp.fPolarTheta; | |
69 | fPolarPhi = rp.fPolarPhi; | |
70 | fParticlePDG = rp.fParticlePDG; | |
a73f33f0 | 71 | } |
72 | ||
73 | //____________________________________________________________________________ | |
74 | AliPHOSFastRecParticle::AliPHOSFastRecParticle(const TParticle & pp) | |
75 | { | |
b2a60966 | 76 | // ctor from a TParticle (crummy?!) |
77 | ||
31aa6d6c | 78 | TParticle & pnoconst = (TParticle &)(pp) ; |
79 | AliPHOSFastRecParticle & p = (AliPHOSFastRecParticle &)(pnoconst) ; | |
03c03c49 | 80 | fType = 0 ; |
a73f33f0 | 81 | fPdgCode = p.fPdgCode; |
82 | fStatusCode = p.fStatusCode; | |
83 | fMother[0] = p.fMother[0]; | |
84 | fMother[1] = p.fMother[1]; | |
85 | fDaughter[0] = p.fDaughter[0]; | |
86 | fDaughter[1] = p.fDaughter[1]; | |
87 | fWeight = p.fWeight; | |
88 | fCalcMass = p.fCalcMass; | |
89 | fPx = p.fPx; | |
90 | fPy = p.fPy; | |
91 | fPz = p.fPz; | |
92 | fE = p.fE; | |
93 | fVx = p.fVx; | |
94 | fVy = p.fVy; | |
95 | fVz = p.fVz; | |
96 | fVt = p.fVt; | |
97 | fPolarTheta = p.fPolarTheta; | |
98 | fPolarPhi = p.fPolarPhi; | |
99 | fParticlePDG = p.fParticlePDG; | |
78022019 | 100 | |
a73f33f0 | 101 | } |
102 | ||
a73f33f0 | 103 | //____________________________________________________________________________ |
104 | Int_t AliPHOSFastRecParticle::DistancetoPrimitive(Int_t px, Int_t py) | |
105 | { | |
106 | // Compute distance from point px,py to a AliPHOSFastRecParticle considered as a Tmarker | |
107 | // Compute the closest distance of approach from point px,py to this marker. | |
108 | // The distance is computed in pixels units. | |
109 | ||
110 | Double_t kRADDEG = 180. / TMath::Pi() ; | |
111 | Coord_t x = Phi() * kRADDEG ; | |
112 | Coord_t y = Theta() * kRADDEG ; | |
113 | const Int_t kMaxDiff = 10; | |
114 | Int_t pxm = gPad->XtoAbsPixel(x); | |
115 | Int_t pym = gPad->YtoAbsPixel(y); | |
116 | Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym); | |
117 | ||
118 | if (dist > kMaxDiff) return 9999; | |
119 | return dist; | |
120 | } | |
121 | ||
122 | //___________________________________________________________________________ | |
123 | void AliPHOSFastRecParticle::Draw(Option_t *option) | |
124 | { | |
125 | // Draw this AliPHOSFastRecParticle with its current attributes | |
126 | ||
127 | AppendPad(option); | |
128 | } | |
129 | ||
130 | //______________________________________________________________________________ | |
131 | void AliPHOSFastRecParticle::ExecuteEvent(Int_t event, Int_t px, Int_t py) | |
132 | { | |
133 | // Execute action corresponding to one event | |
134 | // This member function is called when a AliPHOSFastRecParticle is clicked with the locator | |
794c2bc3 | 135 | |
a73f33f0 | 136 | if (!gPad->IsEditable()) |
137 | return ; | |
794c2bc3 | 138 | |
a73f33f0 | 139 | static TPaveText * clustertext = 0 ; |
794c2bc3 | 140 | |
a73f33f0 | 141 | switch (event) { |
142 | ||
143 | case kButton1Down: { | |
144 | Double_t kRADDEG = 180. / TMath::Pi() ; | |
145 | Coord_t x = Phi() * kRADDEG ; | |
146 | Coord_t y = Theta() * kRADDEG ; | |
147 | clustertext = new TPaveText(x-1, y+1, x+5, y+3, "") ; | |
148 | Text_t line1[40] ; | |
149 | Text_t line2[40] ; | |
150 | sprintf( line1, "PID: %s ", (const char*)Name() ) ; | |
151 | sprintf( line2, "ENERGY: %f ", Energy() ) ; | |
152 | clustertext ->AddText(line1) ; | |
153 | clustertext ->AddText(line2) ; | |
154 | clustertext ->Draw(""); | |
155 | gPad->Update() ; | |
156 | break ; | |
157 | } | |
158 | ||
159 | case kButton1Up: { | |
160 | delete clustertext ; | |
161 | clustertext = 0 ; | |
162 | gPad->Update() ; | |
a4e98857 | 163 | break ; |
a73f33f0 | 164 | } |
a73f33f0 | 165 | } |
794c2bc3 | 166 | |
a73f33f0 | 167 | } |
794c2bc3 | 168 | |
a73f33f0 | 169 | //____________________________________________________________________________ |
3f6cb8ae | 170 | Bool_t AliPHOSFastRecParticle::IsPhoton(const char* purity) const |
171 | { | |
172 | // Rec.Particle is a photon if it has a photon-like shape, fast and neutral | |
173 | // photon-like shape is defined with a purity "low", "medium" or "high" | |
174 | ||
175 | Bool_t photonLike = kFALSE; | |
084903f1 | 176 | if (strcmp(purity,"low") ==0) photonLike = TestPIDBit(6); |
177 | else if (strcmp(purity,"medium")==0) photonLike = TestPIDBit(7); | |
178 | else if (strcmp(purity,"high") ==0) photonLike = TestPIDBit(8); | |
179 | else Error("IsPhoton","Wrong purity type: \'%s\'",purity); | |
3f6cb8ae | 180 | if (photonLike && // photon by PCA |
181 | (TestPIDBit(5)||TestPIDBit(4)||TestPIDBit(3))&& // fast by TOF | |
182 | (TestPIDBit(2)||TestPIDBit(1)||TestPIDBit(0))) // neutral by CPV | |
183 | return kTRUE ; | |
184 | else | |
185 | return kFALSE; | |
186 | } | |
187 | ||
188 | //____________________________________________________________________________ | |
189 | Bool_t AliPHOSFastRecParticle::IsPi0(const char* purity) const | |
190 | { | |
191 | // Rec.Particle is a pi0 if it has a pi0-like shape, fast and neutral | |
192 | // pi0-like shape is defined with a purity "low", "medium" or "high" | |
193 | ||
194 | Bool_t pi0Like = kFALSE; | |
084903f1 | 195 | if (strcmp(purity,"low") ==0) pi0Like = TestPIDBit(9); |
196 | else if (strcmp(purity,"medium")==0) pi0Like = TestPIDBit(10); | |
197 | else if (strcmp(purity,"high") ==0) pi0Like = TestPIDBit(11); | |
3f6cb8ae | 198 | else Error("IsPi0","Wrong purity type: %s",purity); |
199 | if (pi0Like && // pi0 by PCA | |
200 | (TestPIDBit(5)||TestPIDBit(4)||TestPIDBit(3))&& // fast by TOF | |
201 | (TestPIDBit(2)||TestPIDBit(1)||TestPIDBit(0))) // neutral by CPV | |
202 | return kTRUE ; | |
203 | else | |
204 | return kFALSE; | |
205 | } | |
206 | ||
207 | //____________________________________________________________________________ | |
208 | Bool_t AliPHOSFastRecParticle::IsElectron(const char* purity) const | |
209 | { | |
210 | // Rec.Particle is an electron if it has a photon-like shape, fast and charged | |
211 | // photon-like shape is defined with a purity "low", "medium" or "high" | |
212 | ||
213 | Bool_t photonLike = kFALSE; | |
084903f1 | 214 | if (strcmp(purity,"low") ==0) photonLike = TestPIDBit(6); |
215 | else if (strcmp(purity,"medium")==0) photonLike = TestPIDBit(7); | |
216 | else if (strcmp(purity,"high") ==0) photonLike = TestPIDBit(8); | |
3f6cb8ae | 217 | else Error("IsElectron","Wrong purity type: %s",purity); |
218 | if (photonLike && // photon by PCA | |
219 | (TestPIDBit(5)||TestPIDBit(4)||TestPIDBit(3))&& // fast by TOF | |
220 | !(TestPIDBit(2)||TestPIDBit(1)||TestPIDBit(0))) // charged by CPV | |
221 | return kTRUE ; | |
222 | else | |
223 | return kFALSE; | |
224 | } | |
225 | ||
226 | //____________________________________________________________________________ | |
227 | Bool_t AliPHOSFastRecParticle::IsHadron() const | |
228 | { | |
229 | // Rec.Particle is an hadron if it does not look like | |
230 | // a low-purity photon nor low-purity pi0 | |
231 | ||
232 | if ( !TestPIDBit(6) && !TestPIDBit(9) ) // not photon nor pi0 | |
233 | return kTRUE ; | |
234 | else | |
235 | return kFALSE; | |
236 | } | |
237 | ||
238 | //____________________________________________________________________________ | |
239 | Bool_t AliPHOSFastRecParticle::IsChargedHadron() const | |
240 | { | |
241 | // Rec.Particle is a charged hadron if it does not look like | |
242 | // a low-purity photon nor low-purity pi0 and is low-purity charged | |
243 | ||
244 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
245 | !TestPIDBit(2)) // charged by CPV | |
246 | return kTRUE ; | |
247 | else | |
248 | return kFALSE; | |
249 | } | |
250 | ||
251 | //____________________________________________________________________________ | |
252 | Bool_t AliPHOSFastRecParticle::IsNeutralHadron() const | |
253 | { | |
254 | // Rec.Particle is a neutral hadron if it does not look like | |
255 | // a low-purity photon nor low-purity pi0 and is high-purity neutral | |
256 | ||
257 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
258 | TestPIDBit(2)) // neutral by CPV | |
259 | return kTRUE ; | |
260 | else | |
261 | return kFALSE; | |
262 | } | |
263 | ||
264 | //____________________________________________________________________________ | |
265 | Bool_t AliPHOSFastRecParticle::IsFastChargedHadron() const | |
266 | { | |
267 | // Rec.Particle is a fast charged hadron if it does not look like | |
268 | // a low-purity photon nor low-purity pi0, is low-purity charged | |
269 | // and is high-purity fast | |
270 | ||
271 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
272 | !TestPIDBit(2) && // charged by CPV | |
273 | TestPIDBit(5)) // fast by TOF | |
274 | return kTRUE ; | |
275 | else | |
276 | return kFALSE; | |
277 | } | |
278 | ||
279 | //____________________________________________________________________________ | |
280 | Bool_t AliPHOSFastRecParticle::IsSlowChargedHadron() const | |
281 | { | |
282 | // Rec.Particle is a slow neutral hadron if it does not look like | |
283 | // a low-purity photon nor low-purity pi0, is high-purity neutral | |
284 | // and is not high-purity fast | |
285 | ||
286 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
287 | !TestPIDBit(2) && // charged by CPV | |
288 | !TestPIDBit(5)) // slow by TOF | |
289 | return kTRUE ; | |
290 | else | |
291 | return kFALSE; | |
292 | ||
293 | } | |
294 | ||
295 | //____________________________________________________________________________ | |
296 | Bool_t AliPHOSFastRecParticle::IsFastNeutralHadron() const | |
297 | { | |
298 | // Rec.Particle is a fast neutral hadron if it does not look like | |
299 | // a low-purity photon nor low-purity pi0, is high-purity neutral | |
300 | // and is high-purity fast | |
301 | ||
302 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
303 | TestPIDBit(2) && // neutral by CPV | |
304 | TestPIDBit(5)) // fast by TOF | |
305 | return kTRUE ; | |
306 | else | |
307 | return kFALSE; | |
308 | } | |
309 | ||
310 | //____________________________________________________________________________ | |
311 | Bool_t AliPHOSFastRecParticle::IsSlowNeutralHadron() const | |
312 | { | |
313 | // Rec.Particle is a slow neutral hadron if it does not look like | |
314 | // a low-purity photon nor low-purity pi0, is high-purity neutral | |
315 | // and is not high-purity fast | |
316 | ||
317 | if ( !TestPIDBit(6) && !TestPIDBit(9) && // not photon nor pi0 | |
318 | TestPIDBit(2) && // neutral by CPV | |
319 | !TestPIDBit(5)) // slow by TOF | |
320 | return kTRUE ; | |
321 | else | |
322 | return kFALSE; | |
323 | } | |
324 | ||
325 | //____________________________________________________________________________ | |
326 | TString AliPHOSFastRecParticle::Name() const | |
a73f33f0 | 327 | { |
794c2bc3 | 328 | // Returns the name of the particle type (only valid if PIDv1 is employed) |
a73f33f0 | 329 | |
794c2bc3 | 330 | TString name ; |
3f6cb8ae | 331 | |
332 | name = "Undefined particle" ; | |
794c2bc3 | 333 | |
3f6cb8ae | 334 | if (IsPhoton("low")) |
335 | name = "Photon low purity "; | |
336 | else if (IsPhoton("medium")) | |
337 | name = "Photon medium purity"; | |
338 | else if (IsPhoton("high")) | |
339 | name = "Photon high purity "; | |
340 | ||
341 | if (IsPi0("low")) | |
342 | name += "Pi0 low purity "; | |
343 | else if (IsPi0("medium")) | |
344 | name += "Pi0 medium purity "; | |
345 | else if (IsPi0("high")) | |
346 | name += "Pi0 high purity "; | |
347 | ||
348 | if (IsElectron("low")) | |
349 | name += "Electron low purity "; | |
350 | else if (IsElectron("medium")) | |
351 | name += "Electron medium purity "; | |
352 | else if (IsElectron("high")) | |
353 | name += "Electron high purity "; | |
354 | ||
355 | if (IsHadron()) { | |
356 | name = "hadron"; | |
357 | if (IsChargedHadron()) { | |
358 | name.Prepend("charged "); | |
359 | if (IsFastChargedHadron()) | |
360 | name.Prepend("fast "); | |
361 | else if (IsSlowChargedHadron()) | |
362 | name.Prepend("slow "); | |
363 | } | |
364 | else if (IsNeutralHadron()) { | |
365 | name.Prepend("neutral "); | |
366 | if (IsFastNeutralHadron()) | |
367 | name.Prepend("fast "); | |
368 | else if (IsSlowNeutralHadron()) | |
369 | name.Prepend("slow "); | |
370 | } | |
371 | } | |
372 | ||
a73f33f0 | 373 | return name ; |
374 | } | |
375 | ||
14f6a871 | 376 | |
377 | //______________________________________________________________________________ | |
378 | void AliPHOSFastRecParticle::SetType(Int_t type) { | |
379 | // sets the particle type | |
3f6cb8ae | 380 | // bit-mask of the particle type means the following: |
381 | // bits 0,1,2 - neutral particle with low, medium and high purity | |
382 | // bits 3.4,5 - fast particle with low, medium and high purity | |
383 | // bits 6.7,8 - photon shower with low, medium and high purity | |
384 | // bits 9,10,11 - hard-pi0 shower with low, medium and high purity | |
385 | ||
14f6a871 | 386 | fType = type ; |
387 | ||
388 | if((type == 127) || (fType == 511) || (fType == 255) ||(fType == 383)||(fType == 447)){ | |
389 | fPdgCode = 22 ; | |
390 | return ; | |
391 | } | |
392 | ||
393 | if ((fType == 63)|| ((fType < 8)&&(fType > 0)) ){ | |
394 | fPdgCode = 2112 ; | |
395 | return ; | |
396 | } | |
397 | if ( ((fType == 504) || (fType == 505) ||(fType == 248)||(fType == 249)||(fType == 120)||(fType == 121)) ){ | |
398 | fPdgCode = 11 ; | |
399 | return ; | |
400 | } | |
401 | if ((fType == 448) || (fType == 449) ||(fType == 192)||(fType == 193)||(fType == 64)||(fType == 64)){ | |
402 | fPdgCode = 13 ; | |
403 | return ; | |
404 | } | |
405 | if((fType == 56)||(fType == 57)){ | |
406 | fPdgCode = 211 ; | |
407 | return ; | |
408 | } | |
409 | if (fType == 0){ | |
410 | fPdgCode = 2212 ; | |
411 | return ; | |
412 | } | |
413 | ||
414 | } | |
415 | ||
a73f33f0 | 416 | //______________________________________________________________________________ |
417 | void AliPHOSFastRecParticle::Paint(Option_t *) | |
418 | { | |
b2a60966 | 419 | // Paint this ALiRecParticle in theta,phi coordinate as a TMarker with its current attributes |
a73f33f0 | 420 | |
421 | Double_t kRADDEG = 180. / TMath::Pi() ; | |
b2a60966 | 422 | Coord_t x = Phi() * kRADDEG ; |
423 | Coord_t y = Theta() * kRADDEG ; | |
424 | Color_t markercolor = 1 ; | |
425 | Size_t markersize = 1. ; | |
426 | Style_t markerstyle = 5 ; | |
427 | ||
428 | if (!gPad->IsBatch()) { | |
429 | gVirtualX->SetMarkerColor(markercolor) ; | |
430 | gVirtualX->SetMarkerSize (markersize) ; | |
431 | gVirtualX->SetMarkerStyle(markerstyle) ; | |
432 | } | |
433 | gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ; | |
434 | gPad->PaintPolyMarker(1,&x,&y,"") ; | |
a73f33f0 | 435 | } |
436 | ||
437 | //____________________________________________________________________________ | |
14f6a871 | 438 | void AliPHOSFastRecParticle::Print(Option_t * opt)const |
a73f33f0 | 439 | { |
a4e98857 | 440 | // Print the type, energy and momentum of the reconstructed particle |
3f6cb8ae | 441 | |
21cd0c07 | 442 | TString message ; |
3f6cb8ae | 443 | message = "\n PID bits are %d%d%d %d%d%d %d%d%d %d%d%d" ; |
444 | message += ", type is \"%s\"\n" ; | |
445 | message += " (E,Px,Py,Pz) = (% .3e, % .3e, % .3e, % .3e) GeV\n" ; | |
21cd0c07 | 446 | Info("Print", message.Data(), |
3f6cb8ae | 447 | TestPIDBit(0),TestPIDBit(1), |
448 | TestPIDBit(2),TestPIDBit(3), | |
449 | TestPIDBit(4),TestPIDBit(5), | |
450 | TestPIDBit(6),TestPIDBit(7), | |
451 | TestPIDBit(8),TestPIDBit(9), | |
452 | TestPIDBit(10),TestPIDBit(11), | |
21cd0c07 | 453 | Name().Data(), |
53ad38d8 | 454 | Energy(), |
455 | Px(), | |
456 | Py(), | |
457 | Pz() ); | |
a73f33f0 | 458 | } |