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4c039060 | 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 | ||
88cb7938 | 16 | /* $Id$ */ |
4c039060 | 17 | |
4ae5bbc4 | 18 | #include <Riostream.h> |
58005f18 | 19 | |
20 | #include <TMath.h> | |
21 | #include <TRandom.h> | |
22 | #include <TVector.h> | |
23 | #include <TGeometry.h> | |
24 | #include <TNode.h> | |
25 | #include <TTUBE.h> | |
4fc5ed2d | 26 | #include "TParticle.h" |
58005f18 | 27 | |
b2340bbf | 28 | #include "AliRun.h" |
58005f18 | 29 | #include "AliITS.h" |
4fc5ed2d | 30 | #include "AliITSgeom.h" |
58005f18 | 31 | #include "AliITShit.h" |
58005f18 | 32 | |
33 | ||
34 | ClassImp(AliITShit) | |
35 | //////////////////////////////////////////////////////////////////////// | |
36 | // Version: 0 | |
37 | // Written by Rene Brun, Federico Carminati, and Roberto Barbera | |
38 | // | |
39 | // Version: 1 | |
40 | // Modified and documented by Bjorn S. Nilsen | |
41 | // July 11 1999 | |
42 | // | |
43 | // AliITShit is the hit class for the ITS. Hits are the information | |
44 | // that comes from a Monte Carlo at each step as a particle mass through | |
45 | // sensitive detector elements as particles are transported through a | |
46 | // detector. | |
47 | // | |
48 | //Begin_Html | |
49 | /* | |
a92b2b7d | 50 | <img src="picts/ITS/AliITShit_Class_Diagram.gif"> |
58005f18 | 51 | </pre> |
52 | <br clear=left> | |
53 | <font size=+2 color=red> | |
54 | <p>This show the relasionships between the ITS hit class and the rest of Aliroot. | |
55 | </font> | |
56 | <pre> | |
57 | */ | |
58 | //End_Html | |
b2340bbf | 59 | //////////////////////////////////////////////////////////////////////// |
60 | // Inline Member functions: | |
61 | // | |
62 | // AliITShit() | |
63 | // The default creator of the AliITShit class. | |
64 | // | |
65 | // ~AliITShit() | |
66 | // The default destructor of the AliITShit class. | |
67 | // | |
68 | // int GetTrack() | |
69 | // See AliHit for a full description. Returns the track number fTrack | |
70 | // for this hit. | |
71 | // | |
72 | // SetTrack(int track) | |
73 | // See AliHit for a full description. Sets the track number fTrack | |
74 | // for this hit. | |
75 | // | |
76 | // Int_t GetTrackStatus() | |
77 | // Returns the value of the track status flag fStatus. This flag | |
78 | // indicates the track status at the time of creating this hit. It is | |
79 | // made up of the following 8 status bits from highest order to lowest | |
80 | // order bits | |
81 | // 0 : IsTrackAlive(): IsTrackStop():IsTrackDisappeared(): | |
82 | // IsTrackOut():IsTrackExiting():IsTrackEntering():IsTrackInside() . | |
83 | // See AliMC for a description of these functions. If the function is | |
84 | // true then the bit is set to one, otherwise it is zero. | |
85 | // | |
86 | // Bool_t StatusInside() | |
87 | // Returns kTRUE if the particle producing this hit is still inside | |
88 | // the present volume. Returns kFalse if this particle will be in another | |
89 | // volume. {bit IsTrackInside is set or not} | |
90 | // | |
91 | // Bool_t StatusEntering() | |
92 | // Returns kTRUE if the particle producing this hit is has just enterd | |
93 | // the present volume. Returns kFalse otherwise. {bit IsTrackEntering is | |
94 | // set or not} | |
95 | // | |
96 | // Bool_t StatusExiting() | |
97 | // Returns kTRUE if the particle producing this hit is will exit | |
98 | // the present volume. Returns kFalse otherwise. {bit IsTrackExiting is set | |
99 | // or not} | |
100 | // | |
101 | // Bool_t StatusOut() | |
102 | // Returns kTRUE if the particle producing this hit is goint exit the | |
103 | // simulation. Returns kFalse otherwise. {bit IsTrackOut is set or not} | |
104 | // | |
105 | // Bool_t StatusDisappeared() | |
106 | // Returns kTRUE if the particle producing this hit is going to "disappear" | |
107 | // for example it has interacted producing some other particles. Returns | |
108 | // kFalse otherwise. {bit IsTrackOut is set or not} | |
109 | // | |
110 | // Bool_t StatusStop() | |
111 | // Returns kTRUE if the particle producing this hit is has dropped below | |
112 | // its energy cut off producing some other particles. Returns kFalse otherwise. | |
113 | // {bit IsTrackOut is set or not} | |
114 | // | |
115 | // Bool_t StatuAlives() | |
116 | // Returns kTRUE if the particle producing this hit is going to continue | |
117 | // to be transported. Returns kFalse otherwise. {bit IsTrackOut is set or not} | |
118 | // | |
119 | // Int_t GetLayer() | |
120 | // Returns the layer number, fLayer, for this hit. | |
121 | // | |
122 | // Int_t GetLadder() | |
123 | // Returns the ladder number, fLadder, for this hit. | |
124 | // | |
125 | // Int_t GetDetector() | |
126 | // Returns the detector number, fDet, for this hit. | |
127 | // | |
128 | // GetDetectorID(Int_t &layer, Int_t &ladder, Int_t &detector) | |
129 | // Returns the layer, ladder, and detector numbers, fLayer fLadder fDet, | |
130 | // in one call. | |
131 | // | |
132 | // Float_t GetIonization() | |
133 | // Returns the energy lost, fDestep, by the particle creating this hit, | |
134 | // in the units defined by the Monte Carlo. | |
135 | // | |
136 | // GetPositionG(Float_t &x, Float_t &y, Float_t &z) | |
137 | // Returns the global position, fX fY fZ, of this hit, in the units | |
138 | // define by the Monte Carlo. | |
139 | // | |
140 | // GetPositionG(Double_t &x, Double_t &y, Double_t &z) | |
141 | // Returns the global position, fX fY fZ, of this hit, in the units | |
142 | // define by the Monte Carlo. | |
143 | // | |
144 | // GetPositionG(Float_t &x, Float_t &y, Float_t &z, Float_t &tof) | |
145 | // Returns the global position and time of flight, fX fY fZ fTof, of | |
146 | // this hit, in the units define by the Monte Carlo. | |
147 | // | |
148 | // GetPositionG(Double_t &x,Double_t &y,Double_t &z,Double_t &tof) | |
149 | // Returns the global position and time of flight, fX fY fZ fTof, of | |
150 | // this hit, in the units define by the Monte Carlo. | |
151 | // | |
152 | // GetPositionL(Double_t &x,Double_t &y,Double_t &z) | |
153 | // Returns the local position, fX fY fZ, of this hit in the coordiante | |
154 | // of this module, in the units define by the Monte Carlo. | |
155 | // | |
156 | // GetPositionG(Double_t &x,Double_t &y,Double_t &z,Double_t &tof) | |
157 | // Returns the local position and time of flight, fX fY fZ fTof, of | |
158 | // this hit in the coordinates of this module, in the units define by the | |
159 | // Monte Carlo. | |
160 | // | |
161 | // Float_t GetXG() | |
162 | // Returns the global x position in the units defined by the Monte Carlo. | |
163 | // | |
164 | // Float_t GetYG() | |
165 | // Returns the global y position in the units defined by the Monte Carlo. | |
166 | // | |
167 | // Float_t GetYG() | |
168 | // Returns the global z position in the units defined by the Monte Carlo. | |
169 | // | |
170 | // Float_t GetTOF() | |
171 | // Returns the time of flight, fTof, of this hit, in the units defined | |
172 | // by the Monte Carlo. | |
173 | // | |
174 | // GetMomentumG(Float_t &px, Float_t &py, Float_t &pz) | |
175 | // Returns the global momentum, fPx fPy fPz, of the particle that made | |
176 | // this hit, in the units define by the Monte Carlo. | |
177 | // | |
178 | // GetMomentumG(Double_t &px,Double_t &py,Double_t &pz) | |
179 | // Returns the global momentum, fPx fPy fPz, of the particle that made | |
180 | // this hit, in the units define by the Monte Carlo. | |
181 | // | |
182 | // GetMomentumL(Double_t &px,Double_t &py,Double_t &pz) | |
183 | // Returns the momentum, fPx fPy fPz in coordinate appropreate for this | |
184 | // specific module, in the units define by the Monte Carlo. | |
185 | // | |
186 | // Float_t GetPXG() | |
187 | // Returns the global X momentum in the units defined by the Monte Carlo. | |
188 | // | |
189 | // Float_t GetPYG() | |
190 | // Returns the global Y momentum in the units defined by the Monte Carlo. | |
191 | // | |
192 | // Float_t GetPZG() | |
193 | // Returns the global Z momentum in the units defined by the Monte Carlo. | |
194 | // | |
195 | //////////////////////////////////////////////////////////////////////// | |
58005f18 | 196 | //_____________________________________________________________________________ |
7e3ded1b | 197 | AliITShit::AliITShit():AliHit(){ |
198 | // Default Constructor | |
199 | // Zero data member just to be safe. | |
200 | // Intputs: | |
201 | // none. | |
202 | // Outputs: | |
203 | // none. | |
204 | // Return: | |
205 | // A default created AliITShit class. | |
206 | ||
207 | fStatus = 0; // Track Status | |
208 | fLayer = 0; // Layer number | |
209 | fLadder = 0; // Ladder number | |
210 | fDet = 0; // Detector number | |
211 | fPx = 0.0; // PX of particle at the point of the hit | |
212 | fPy = 0.0; // PY of particle at the point of the hit | |
213 | fPz = 0.0; // PZ of particle at the point of the hit | |
214 | fDestep = 0.0; // Energy deposited in the current step | |
215 | fTof = 0.0; // Time of flight at the point of the hit | |
07265b7c | 216 | fStatus0 = 0; // zero status bit by default. |
7e3ded1b | 217 | fx0 = 0.0; // Starting point of this step |
218 | fy0 = 0.0; // Starting point of this step | |
219 | fz0 = 0.0; // Starting point of this step | |
220 | ft0 = 0.0; // Starting point of this step | |
221 | } | |
222 | AliITShit::AliITShit(Int_t shunt,Int_t track,Int_t *vol,Float_t edep, | |
223 | Float_t tof,TLorentzVector &x,TLorentzVector &x0, | |
224 | TLorentzVector &p) : AliHit(shunt, track){ | |
225 | //////////////////////////////////////////////////////////////////////// | |
226 | // Create ITS hit | |
227 | // The creator of the AliITShit class. The variables shunt and | |
228 | // track are passed to the creator of the AliHit class. See the AliHit | |
229 | // class for a full description. In the units of the Monte Carlo | |
230 | //////////////////////////////////////////////////////////////////////// | |
231 | // Intputs: | |
232 | // Int_t shunt See AliHit | |
233 | // Int_t track Track number, see AliHit | |
234 | // Int_t *vol Array of integer hit data, | |
235 | // vol[0] Layer where the hit is, 1-6 typicaly | |
236 | // vol[1] Ladder where the hit is. | |
237 | // vol[2] Detector number where the hit is | |
238 | // vol[3] Set of status bits | |
239 | // vol[4] Set of status bits at start | |
240 | // Outputs: | |
241 | // none. | |
242 | // Return: | |
243 | // A default created AliITShit class. | |
244 | ||
245 | fLayer = vol[0]; // Layer number | |
246 | fLadder = vol[2]; // Ladder number | |
247 | fDet = vol[1]; // Detector number | |
248 | fStatus = vol[3]; // Track status flags | |
249 | fStatus0 = vol[4]; // Track status flag for start position. | |
250 | fX = x.X(); // Track X global position | |
251 | fY = x.Y(); // Track Y global position | |
252 | fZ = x.Z(); // Track Z global position | |
253 | fPx = p.Px(); // Track X Momentum | |
254 | fPy = p.Py(); // Track Y Momentum | |
255 | fPz = p.Pz(); // Track Z Momentum | |
256 | fDestep = edep; // Track dE/dx for this step | |
257 | fTof = tof ; // Track Time of Flight for this step | |
258 | fx0 = x0.X(); // Track X global position | |
259 | fy0 = x0.Y(); // Track Y global position | |
260 | fz0 = x0.Z(); // Track Z global position | |
1e96b53e | 261 | ft0 = x0.T(); // Starting point of this step |
7e3ded1b | 262 | } |
263 | //______________________________________________________________________ | |
58005f18 | 264 | AliITShit::AliITShit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits): |
b2340bbf | 265 | AliHit(shunt, track){ |
266 | //////////////////////////////////////////////////////////////////////// | |
267 | // Create ITS hit | |
268 | // The creator of the AliITShit class. The variables shunt and | |
269 | // track are passed to the creator of the AliHit class. See the AliHit | |
270 | // class for a full description. the integer array *vol contains, in order, | |
271 | // fLayer = vol[0], fDet = vol[1], fLadder = vol[2], fStatus = vol[3]. | |
272 | // The array *hits contains, in order, fX = hits[0], fY = hits[1], | |
273 | // fZ = hits[2], fPx = hits[3], fPy = hits[4], fPz = hits[5], | |
274 | // fDestep = hits[6], and fTof = hits[7]. In the units of the Monte Carlo | |
275 | //////////////////////////////////////////////////////////////////////// | |
7e3ded1b | 276 | // Intputs: |
277 | // Int_t shunt See AliHit | |
278 | // Int_t track Track number, see AliHit | |
279 | // Int_t *vol Array of integer hit data, | |
280 | // vol[0] Layer where the hit is, 1-6 typicaly | |
281 | // vol[1] Ladder where the hit is. | |
282 | // vol[2] Detector number where the hit is | |
283 | // vol[3] Set of status bits | |
284 | // Float_t *hits Array of hit information | |
285 | // hits[0] X global position of this hit | |
286 | // hits[1] Y global position of this hit | |
287 | // hits[2] Z global position of this hit | |
288 | // hits[3] Px global position of this hit | |
289 | // hits[4] Py global position of this hit | |
290 | // hits[5] Pz global position of this hit | |
291 | // hits[6] Energy deposited by this step | |
292 | // hits[7] Time of flight of this particle at this step | |
293 | // Outputs: | |
294 | // none. | |
295 | // Return: | |
296 | // A standard created AliITShit class. | |
58005f18 | 297 | fLayer = vol[0]; // Layer number |
298 | fLadder = vol[2]; // Ladder number | |
299 | fDet = vol[1]; // Detector number | |
300 | fStatus = vol[3]; // Track status flags | |
7e3ded1b | 301 | fX = hits[0]; // Track X global position |
302 | fY = hits[1]; // Track Y global position | |
303 | fZ = hits[2]; // Track Z global position | |
58005f18 | 304 | fPx = hits[3]; // Track X Momentum |
305 | fPy = hits[4]; // Track Y Momentum | |
306 | fPz = hits[5]; // Track Z Momentum | |
307 | fDestep = hits[6]; // Track dE/dx for this step | |
308 | fTof = hits[7]; // Track Time of Flight for this step | |
07265b7c | 309 | fStatus0 = 0;// Track Status of Starting point |
310 | fx0 = 0.0; // Starting point of this step | |
311 | fy0 = 0.0; // Starting point of this step | |
312 | fz0 = 0.0; // Starting point of this step | |
313 | ft0 = 0.0; // Starting point of this step | |
58005f18 | 314 | } |
b2340bbf | 315 | //______________________________________________________________________ |
58005f18 | 316 | void AliITShit::GetPositionL(Float_t &x,Float_t &y,Float_t &z){ |
b2340bbf | 317 | //////////////////////////////////////////////////////////////////////// |
318 | // Returns the position of this hit in the local coordinates of this | |
319 | // module, and in the units of the Monte Carlo. | |
320 | //////////////////////////////////////////////////////////////////////// | |
58005f18 | 321 | AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); |
322 | Float_t g[3],l[3]; | |
323 | ||
324 | g[0] = fX; | |
325 | g[1] = fY; | |
326 | g[2] = fZ; | |
4fc5ed2d | 327 | if(gm) { |
328 | gm->GtoL(fLayer,fLadder,fDet,g,l); | |
329 | x = l[0]; | |
330 | y = l[1]; | |
331 | z = l[2]; | |
332 | } else { | |
333 | Error("AliITShit","NULL pointer to the geometry! return smth else",gm); | |
334 | // AliITSv7 - SDD case | |
335 | x=fX; | |
d2ace6e6 | 336 | y=fY; |
337 | z=fZ; | |
4fc5ed2d | 338 | } |
58005f18 | 339 | return; |
340 | } | |
b2340bbf | 341 | //______________________________________________________________________ |
58005f18 | 342 | void AliITShit::GetPositionL(Float_t &x,Float_t &y,Float_t &z,Float_t &tof){ |
b2340bbf | 343 | //////////////////////////////////////////////////////////////////////// |
344 | // Returns the position and time of flight of this hit in the local | |
345 | // coordinates of this module, and in the units of the Monte Carlo. | |
346 | //////////////////////////////////////////////////////////////////////// | |
58005f18 | 347 | AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); |
348 | Float_t g[3],l[3]; | |
349 | ||
350 | g[0] = fX; | |
351 | g[1] = fY; | |
352 | g[2] = fZ; | |
4fc5ed2d | 353 | if(gm) { |
354 | gm->GtoL(fLayer,fLadder,fDet,g,l); | |
355 | x = l[0]; | |
356 | y = l[1]; | |
357 | z = l[2]; | |
358 | } else { | |
359 | Error("AliITShit","NULL pointer to the geometry! return smth else",gm); | |
360 | // AliITSv7 - SDD case | |
361 | x=fX; | |
d2ace6e6 | 362 | y=fY; |
363 | z=fZ; | |
4fc5ed2d | 364 | } |
58005f18 | 365 | tof = fTof; |
366 | return; | |
367 | } | |
b2340bbf | 368 | //______________________________________________________________________ |
d2ace6e6 | 369 | void AliITShit::GetPositionL0(Double_t &x,Double_t &y,Double_t &z, |
370 | Double_t &tof){ | |
371 | //////////////////////////////////////////////////////////////////////// | |
372 | // Returns the initial position and time of flight of this hit in the local | |
373 | // coordinates of this module, and in the units of the Monte Carlo. | |
374 | //////////////////////////////////////////////////////////////////////// | |
375 | AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); | |
376 | Float_t g[3],l[3]; | |
377 | ||
378 | g[0] = fx0; | |
379 | g[1] = fy0; | |
380 | g[2] = fz0; | |
381 | if(gm) { | |
382 | gm->GtoL(fLayer,fLadder,fDet,g,l); | |
383 | x = l[0]; | |
384 | y = l[1]; | |
385 | z = l[2]; | |
386 | } else { | |
387 | Error("AliITShit","NULL pointer to the geometry! return smth else",gm); | |
388 | // AliITSv7 - SDD case | |
389 | x=fx0; | |
390 | y=fy0; | |
391 | z=fz0; | |
392 | } | |
393 | tof = ft0; | |
394 | return; | |
395 | } | |
396 | //______________________________________________________________________ | |
58005f18 | 397 | Float_t AliITShit::GetXL(){ |
b2340bbf | 398 | //////////////////////////////////////////////////////////////////////// |
399 | // Returns the x position of this hit in the local coordinates of this | |
400 | // module, and in the units of the Monte Carlo. | |
401 | //////////////////////////////////////////////////////////////////////// | |
58005f18 | 402 | AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); |
403 | Float_t g[3],l[3]; | |
404 | ||
405 | g[0] = fX; | |
406 | g[1] = fY; | |
407 | g[2] = fZ; | |
4fc5ed2d | 408 | if(gm) { |
409 | gm->GtoL(fLayer,fLadder,fDet,g,l); | |
410 | return l[0]; | |
411 | } else { | |
412 | Error("AliITShit","NULL pointer to the geometry! return smth else",gm); | |
413 | return fX; | |
414 | } | |
58005f18 | 415 | } |
b2340bbf | 416 | //______________________________________________________________________ |
58005f18 | 417 | Float_t AliITShit::GetYL(){ |
b2340bbf | 418 | //////////////////////////////////////////////////////////////////////// |
419 | // Returns the y position of this hit in the local coordinates of this | |
420 | // module, and in the units of the Monte Carlo. | |
421 | //////////////////////////////////////////////////////////////////////// | |
58005f18 | 422 | AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); |
423 | Float_t g[3],l[3]; | |
424 | ||
425 | g[0] = fX; | |
426 | g[1] = fY; | |
427 | g[2] = fZ; | |
4fc5ed2d | 428 | if (gm) { |
429 | gm->GtoL(fLayer,fLadder,fDet,g,l); | |
430 | return l[1]; | |
431 | } else { | |
432 | Error("AliITShit","NULL pointer to the geometry! return smth else",gm); | |
433 | return fZ; | |
434 | } | |
58005f18 | 435 | } |
b2340bbf | 436 | //______________________________________________________________________ |
58005f18 | 437 | Float_t AliITShit::GetZL(){ |
b2340bbf | 438 | //////////////////////////////////////////////////////////////////////// |
439 | // Returns the z position of this hit in the local coordinates of this | |
440 | // module, and in the units of the Monte Carlo. | |
441 | //////////////////////////////////////////////////////////////////////// | |
58005f18 | 442 | AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); |
443 | Float_t g[3],l[3]; | |
444 | ||
445 | g[0] = fX; | |
446 | g[1] = fY; | |
447 | g[2] = fZ; | |
4fc5ed2d | 448 | if(gm) { |
449 | gm->GtoL(fLayer,fLadder,fDet,g,l); | |
450 | return l[2]; | |
451 | } else { | |
452 | Error("AliITShit","NULL pointer to the geometry! return smth else",gm); | |
453 | return fY; | |
454 | } | |
58005f18 | 455 | } |
b2340bbf | 456 | //______________________________________________________________________ |
58005f18 | 457 | void AliITShit::GetMomentumL(Float_t &px,Float_t &py,Float_t &pz){ |
b2340bbf | 458 | //////////////////////////////////////////////////////////////////////// |
459 | // Returns the momentum of this hit in the local coordinates of this | |
460 | // module, and in the units of the Monte Carlo. | |
461 | //////////////////////////////////////////////////////////////////////// | |
58005f18 | 462 | AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); |
463 | Float_t g[3],l[3]; | |
464 | ||
465 | g[0] = fPx; | |
466 | g[1] = fPy; | |
467 | g[2] = fPz; | |
4fc5ed2d | 468 | if (gm) { |
469 | gm->GtoLMomentum(fLayer,fLadder,fDet,g,l); | |
470 | px = l[0]; | |
471 | py = l[1]; | |
472 | pz = l[2]; | |
473 | } else { | |
474 | Error("AliITShit","NULL pointer to the geometry! return smth else",gm); | |
475 | px=fPx; | |
476 | py=fPy; | |
477 | pz=fPz; | |
478 | } | |
58005f18 | 479 | return; |
480 | } | |
b2340bbf | 481 | //______________________________________________________________________ |
482 | Float_t AliITShit::GetPXL(){ | |
483 | //////////////////////////////////////////////////////////////////////// | |
484 | // Returns the X momentum of this hit in the local coordinates of this | |
485 | // module, and in the units of the Monte Carlo. | |
486 | //////////////////////////////////////////////////////////////////////// | |
487 | AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); | |
488 | Float_t g[3],l[3]; | |
489 | ||
490 | g[0] = fPx; | |
491 | g[1] = fPy; | |
492 | g[2] = fPz; | |
4fc5ed2d | 493 | if (gm) { |
494 | gm->GtoLMomentum(fLayer,fLadder,fDet,g,l); | |
495 | return l[0]; | |
496 | } else { | |
497 | Error("AliITShit","NULL pointer to the geometry! return smth else",gm); | |
498 | return fPx; | |
499 | } | |
b2340bbf | 500 | } |
501 | //______________________________________________________________________ | |
502 | Float_t AliITShit::GetPYL(){ | |
503 | //////////////////////////////////////////////////////////////////////// | |
504 | // Returns the Y momentum of this hit in the local coordinates of this | |
505 | // module, and in the units of the Monte Carlo. | |
506 | //////////////////////////////////////////////////////////////////////// | |
507 | AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); | |
508 | Float_t g[3],l[3]; | |
509 | ||
510 | g[0] = fPx; | |
511 | g[1] = fPy; | |
512 | g[2] = fPz; | |
4fc5ed2d | 513 | if (gm) { |
514 | gm->GtoLMomentum(fLayer,fLadder,fDet,g,l); | |
515 | return l[1]; | |
516 | } else { | |
517 | Error("AliITShit","NULL pointer to the geometry! return smth else",gm); | |
518 | return fPy; | |
519 | } | |
520 | ||
b2340bbf | 521 | } |
522 | //______________________________________________________________________ | |
523 | Float_t AliITShit::GetPZL(){ | |
524 | //////////////////////////////////////////////////////////////////////// | |
525 | // Returns the Z momentum of this hit in the local coordinates of this | |
526 | // module, and in the units of the Monte Carlo. | |
527 | //////////////////////////////////////////////////////////////////////// | |
528 | AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); | |
529 | Float_t g[3],l[3]; | |
530 | ||
531 | g[0] = fPx; | |
532 | g[1] = fPy; | |
533 | g[2] = fPz; | |
4fc5ed2d | 534 | if (gm) { |
535 | gm->GtoLMomentum(fLayer,fLadder,fDet,g,l); | |
536 | return l[2]; | |
537 | } else { | |
538 | Error("AliITShit","NULL pointer to the geometry! return smth else",gm); | |
539 | return fPz; | |
540 | } | |
541 | ||
b2340bbf | 542 | } |
543 | //___________________________________________________________________________; | |
544 | Int_t AliITShit::GetModule(){ | |
545 | //////////////////////////////////////////////////////////////////////// | |
546 | // Returns the module index number of the module where this hit was in. | |
547 | //////////////////////////////////////////////////////////////////////// | |
548 | AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); | |
549 | ||
4fc5ed2d | 550 | if (gm) return gm->GetModuleIndex(fLayer,fLadder,fDet); |
551 | else { | |
552 | Error("AliITShit","NULL pointer to the geometry! return smth else",gm); | |
553 | return 0; | |
554 | } | |
b2340bbf | 555 | } |
556 | //______________________________________________________________________ | |
557 | TParticle * AliITShit::GetParticle(){ | |
558 | //////////////////////////////////////////////////////////////////////// | |
559 | // Returns the pointer to the TParticle for the particle that created | |
560 | // this hit. From the TParticle all kinds of information about this | |
561 | // particle can be found. See the TParticle class. | |
562 | //////////////////////////////////////////////////////////////////////// | |
2ab0c725 | 563 | return gAlice->Particle(GetTrack()); |
3dbb2c95 | 564 | } |
565 | //---------------------------------------------------------------------- | |
566 | void AliITShit::Print(ostream *os){ | |
567 | //////////////////////////////////////////////////////////////////////// | |
568 | // Standard output format for this class. | |
569 | //////////////////////////////////////////////////////////////////////// | |
570 | #if defined __GNUC__ | |
571 | #if __GNUC__ > 2 | |
572 | ios::fmtflags fmt; | |
573 | #else | |
574 | Int_t fmt; | |
575 | #endif | |
94831058 | 576 | #else |
d9f43611 | 577 | #if defined __ICC || defined __ECC |
94831058 | 578 | ios::fmtflags fmt; |
3dbb2c95 | 579 | #else |
580 | Int_t fmt; | |
94831058 | 581 | #endif |
3dbb2c95 | 582 | #endif |
583 | ||
584 | fmt = os->setf(ios::scientific); // set scientific floating point output | |
e11d9a3a | 585 | *os << fTrack << " " << fX << " " << fY << " " << fZ << " "; |
3dbb2c95 | 586 | fmt = os->setf(ios::hex); // set hex for fStatus only. |
587 | *os << fStatus << " "; | |
588 | fmt = os->setf(ios::dec); // every thing else decimel. | |
589 | *os << fLayer << " " << fLadder << " " << fDet << " ";; | |
590 | *os << fPx << " " << fPy << " " << fPz << " "; | |
591 | *os << fDestep << " " << fTof; | |
000d397e | 592 | *os << " " << fx0 << " " << fy0 << " " << fz0; |
593 | // *os << " " << endl; | |
3dbb2c95 | 594 | os->flags(fmt); // reset back to old formating. |
595 | return; | |
596 | } | |
597 | //---------------------------------------------------------------------- | |
598 | void AliITShit::Read(istream *is){ | |
599 | //////////////////////////////////////////////////////////////////////// | |
600 | // Standard input format for this class. | |
601 | //////////////////////////////////////////////////////////////////////// | |
602 | ||
e11d9a3a | 603 | |
604 | *is >> fTrack >> fX >> fY >> fZ; | |
3dbb2c95 | 605 | *is >> fStatus >> fLayer >> fLadder >> fDet >> fPx >> fPy >> fPz >> |
606 | fDestep >> fTof; | |
7e3ded1b | 607 | *is >> fx0 >> fy0 >> fz0; |
3dbb2c95 | 608 | return; |
609 | } | |
610 | //---------------------------------------------------------------------- | |
611 | ostream &operator<<(ostream &os,AliITShit &p){ | |
612 | //////////////////////////////////////////////////////////////////////// | |
613 | // Standard output streaming function. | |
614 | //////////////////////////////////////////////////////////////////////// | |
615 | ||
616 | p.Print(&os); | |
617 | return os; | |
618 | } | |
619 | //---------------------------------------------------------------------- | |
620 | istream &operator>>(istream &is,AliITShit &r){ | |
621 | //////////////////////////////////////////////////////////////////////// | |
622 | // Standard input streaming function. | |
623 | //////////////////////////////////////////////////////////////////////// | |
624 | ||
625 | r.Read(&is); | |
626 | return is; | |
b2340bbf | 627 | } |
3dbb2c95 | 628 | //---------------------------------------------------------------------- |