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4c039060 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3bd79107 | 3 | * * |
4c039060 | 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 | ||
16 | /* | |
17 | $Log$ | |
114da3a4 | 18 | Revision 1.8 2000/10/02 16:32:57 barbera |
19 | Forward declarations added and formatting | |
20 | ||
0b2d41b4 | 21 | Revision 1.3.4.8 2000/10/02 15:55:26 barbera |
22 | Forward declarations added and formatting | |
23 | ||
24 | Revision 1.7 2000/09/22 12:36:38 nilsen | |
25 | Minor changes to improve compilation and create less NOISE. | |
26 | ||
ff61221e | 27 | Revision 1.6 2000/07/10 16:07:18 fca |
28 | Release version of ITS code | |
29 | ||
3bd79107 | 30 | Revision 1.3.4.2 2000/03/02 21:42:29 nilsen |
31 | Linked AliDetector::fDigit to AliITSmodule::fDigitsM and AliITS::fITSRecPoints | |
32 | to AliITSmodule::fRecPointsM. Renamed AliITSmodule::fPointsM to fRecPointsM. | |
33 | Removed the deletion of fDigitsM from the distructor since it is only a copy | |
34 | of what is in AliDetector. Fixed a bug in the functions LineSegmentL and | |
35 | LineSegmentG. Added two new versions of LineSegmentL and LineSegmentG to | |
36 | additionaly return track number from the hit. Removed FastPoint function, | |
37 | haven't found anywere it was used, also it had very many problems, should | |
38 | just call FastPointSPD... . | |
39 | ||
40 | Revision 1.3.4.1 2000/01/12 19:03:32 nilsen | |
41 | This is the version of the files after the merging done in December 1999. | |
42 | See the ReadMe110100.txt file for details | |
43 | ||
44 | Revision 1.3 1999/10/04 15:20:12 fca | |
45 | Correct syntax accepted by g++ but not standard for static members, remove minor warnings | |
46 | ||
ad0e60d9 | 47 | Revision 1.2 1999/09/29 09:24:20 fca |
48 | Introduction of the Copyright and cvs Log | |
49 | ||
4c039060 | 50 | */ |
51 | ||
ff61221e | 52 | #include <TArrayI.h> |
53 | ||
114da3a4 | 54 | #include <stdlib.h> |
3bd79107 | 55 | |
58005f18 | 56 | #include "AliRun.h" |
3bd79107 | 57 | #include "AliITS.h" |
ff61221e | 58 | #include "AliITShit.h" |
59 | #include "AliITSmodule.h" | |
60 | #include "AliITSgeom.h" | |
58005f18 | 61 | |
62 | ClassImp(AliITSmodule) | |
63 | ||
64 | //_______________________________________________________________________ | |
65 | // | |
66 | // Impementation of class AliITSmodule | |
67 | // | |
3bd79107 | 68 | // created by: A. Bouchm, W. Peryt, S. Radomski, P. Skowronski |
58005f18 | 69 | // R. Barbers, B. Batyunia, B. S. Nilsen |
70 | // ver 1.0 CERN 16.09.1999 | |
71 | //_______________________________________________________________________ | |
58005f18 | 72 | //________________________________________________________________________ |
73 | // | |
74 | // Constructors and deconstructor | |
75 | //________________________________________________________________________ | |
76 | // | |
3bd79107 | 77 | AliITSmodule::AliITSmodule() { |
78 | // constructor | |
79 | fIndex = 0; | |
80 | fHitsM = 0; | |
81 | fTrackIndex = 0; | |
82 | fHitIndex = 0; | |
83 | fITS = 0; | |
58005f18 | 84 | |
3bd79107 | 85 | } |
86 | //_________________________________________________________________________ | |
87 | AliITSmodule::AliITSmodule(Int_t index) { | |
88 | // constructor | |
58005f18 | 89 | |
3bd79107 | 90 | fIndex = index; |
91 | fHitsM = new TObjArray(); | |
92 | fTrackIndex = new TArrayI(16); | |
93 | fHitIndex = new TArrayI(16); | |
94 | fITS = (AliITS*)(gAlice->GetDetector("ITS")); | |
95 | } | |
96 | //__________________________________________________________________________ | |
97 | AliITSmodule::~AliITSmodule() { | |
98 | // The destructor for AliITSmodule. Before destoring AliITSmodule | |
99 | // we must first destroy all of it's members. | |
58005f18 | 100 | |
3bd79107 | 101 | fIndex = 0; |
3bd79107 | 102 | if(fHitsM){ |
e8189707 | 103 | for(Int_t i=0;i<fHitsM->GetEntriesFast();i++) |
3bd79107 | 104 | delete ((AliITShit *)(fHitsM->At(i))); |
105 | // must delete each object in the TObjArray. | |
106 | delete fHitsM; | |
107 | } // end if | |
108 | delete fTrackIndex; | |
109 | delete fHitIndex; | |
110 | fITS = 0; // We don't delete this pointer since it is just a copy. | |
111 | } | |
112 | //____________________________________________________________________________ | |
113 | AliITSmodule::AliITSmodule(const AliITSmodule &source){ | |
114 | //////////////////////////////////////////////////////////////////////// | |
115 | // Copy Constructor | |
116 | //////////////////////////////////////////////////////////////////////// | |
117 | printf("AliITSmodule error: AliITSmodule class has not to be copied! Exit.\n"); | |
118 | exit(1); | |
58005f18 | 119 | } |
120 | ||
3bd79107 | 121 | //_____________________________________________________________________________ |
122 | AliITSmodule& AliITSmodule::operator=(const AliITSmodule &source){ | |
123 | //////////////////////////////////////////////////////////////////////// | |
124 | // Assignment operator | |
125 | //////////////////////////////////////////////////////////////////////// | |
126 | printf("AliITSmodule error: AliITSmodule class has not to be copied! Exit.\n"); | |
127 | exit(1); | |
e8189707 | 128 | return *this; // fake return neded on Sun |
3bd79107 | 129 | } |
58005f18 | 130 | |
131 | //_________________________________________________________________________ | |
3bd79107 | 132 | // |
133 | // Hits management | |
134 | //__________________________________________________________________________ | |
135 | Int_t AliITSmodule::AddHit(AliITShit* hit,Int_t t,Int_t h) { | |
136 | // Hits management | |
58005f18 | 137 | |
ff61221e | 138 | //printf("AddHit: beginning hit %p t h %d %d\n",hit,t,h); |
3bd79107 | 139 | fHitsM->AddLast(new AliITShit(*hit)); |
140 | Int_t fNhitsM = fHitsM->GetEntriesFast(); | |
141 | if(fNhitsM-1>=fTrackIndex->GetSize()){ // need to expand the TArrayI | |
142 | TArrayI *p = new TArrayI(fNhitsM+64); | |
e8189707 | 143 | for(Int_t i=0;i<fTrackIndex->GetSize();i++) |
3bd79107 | 144 | (*p)[i] = fTrackIndex->At(i); |
145 | delete fTrackIndex; | |
146 | fTrackIndex = p; | |
147 | } // end if | |
148 | if(fNhitsM-1>=fHitIndex->GetSize()){ // need to expand the TArrayI | |
149 | TArrayI *p = new TArrayI(fNhitsM+64); | |
e8189707 | 150 | for(Int_t i=0;i<fHitIndex->GetSize();i++) |
3bd79107 | 151 | (*p)[i] = fHitIndex->At(i); |
152 | delete fHitIndex; | |
153 | fHitIndex = p; | |
154 | } // end if | |
155 | (*fTrackIndex)[fNhitsM-1] = t; | |
156 | (*fHitIndex)[fNhitsM-1] = h; | |
157 | return fNhitsM; | |
158 | } | |
159 | ||
160 | //___________________________________________________________________________ | |
161 | void AliITSmodule::MedianHitG(Int_t index, | |
162 | Float_t hitx1,Float_t hity1,Float_t hitz1, | |
163 | Float_t hitx2,Float_t hity2,Float_t hitz2, | |
164 | Float_t &xMg, Float_t &yMg, Float_t &zMg){ | |
165 | // median hit | |
166 | AliITSgeom *gm = fITS->GetITSgeom(); | |
167 | Float_t x1l,y1l,z1l; | |
168 | Float_t x2l,y2l,z2l; | |
169 | Float_t xMl,yMl=0,zMl; | |
170 | Float_t l[3], g[3]; | |
171 | ||
172 | g[0] = hitx1; | |
173 | g[1] = hity1; | |
174 | g[2] = hitz1; | |
175 | gm->GtoL(index,g,l); | |
176 | x1l = l[0]; | |
177 | y1l = l[1]; | |
178 | z1l = l[2]; | |
179 | ||
180 | g[0] = hitx2; | |
181 | g[1] = hity2; | |
182 | g[2] = hitz2; | |
183 | gm->GtoL(index,g,l); | |
184 | x2l = l[0]; | |
185 | y2l = l[1]; | |
186 | z2l = l[2]; | |
187 | ||
188 | xMl = (-y1l / (y2l-y1l))*(x2l-x1l) + x1l; | |
189 | zMl = (-y1l / (y2l-y1l))*(z2l-z1l) + z1l; | |
58005f18 | 190 | |
3bd79107 | 191 | l[0] = xMl; |
192 | l[1] = yMl; | |
193 | l[2] = zMl; | |
194 | gm->LtoG(index,l,g); | |
195 | xMg = g[0]; | |
196 | yMg = g[1]; | |
197 | zMg = g[2]; | |
58005f18 | 198 | } |
3bd79107 | 199 | //___________________________________________________________________________ |
200 | Double_t AliITSmodule::PathLength(Int_t index,AliITShit *itsHit1, | |
201 | AliITShit *itsHit2){ | |
202 | // path lenght | |
203 | Float_t x1g,y1g,z1g; | |
204 | Float_t x2g,y2g,z2g; | |
205 | Double_t s; | |
58005f18 | 206 | |
3bd79107 | 207 | itsHit1->GetPositionG(x1g,y1g,z1g); |
208 | itsHit2->GetPositionG(x2g,y2g,z2g); | |
58005f18 | 209 | |
3bd79107 | 210 | s = TMath::Sqrt( ((Double_t)(x2g-x1g)*(Double_t)(x2g-x1g)) + |
211 | ((Double_t)(y2g-y1g)*(Double_t)(y2g-y1g)) + | |
212 | ((Double_t)(z2g-z1g)*(Double_t)(z2g-z1g)) ); | |
213 | return s; | |
214 | } | |
215 | //___________________________________________________________________________ | |
216 | void AliITSmodule::PathLength(Int_t index, | |
217 | Float_t x,Float_t y,Float_t z, | |
218 | Int_t status,Int_t &nseg, | |
219 | Float_t &x1,Float_t &y1,Float_t &z1, | |
220 | Float_t &dx1,Float_t &dy1,Float_t &dz1, | |
221 | Int_t &flag){ | |
222 | // path length | |
223 | static Float_t x0,y0,z0; | |
58005f18 | 224 | |
3bd79107 | 225 | if (status == 66){ // entering |
226 | x0 = x; | |
227 | y0 = y; | |
228 | z0 = z; | |
229 | nseg = 0; | |
230 | flag = 1; | |
231 | }else{ | |
232 | x1 = x0; | |
233 | y1 = y0; | |
234 | z1 = z0; | |
235 | dx1 = x-x1; | |
236 | dy1 = y-y1; | |
237 | dz1 = z-z1; | |
238 | nseg++; | |
239 | if (status == 68) flag = 0; //exiting | |
240 | else flag = 2; //inside | |
241 | x0 = x; | |
242 | y0 = y; | |
243 | z0 = z; | |
244 | } // end if | |
58005f18 | 245 | } |
3bd79107 | 246 | //___________________________________________________________________________ |
247 | Bool_t AliITSmodule::LineSegmentL(Int_t hitindex,Double_t &a,Double_t &b, | |
248 | Double_t &c,Double_t &d, | |
249 | Double_t &e,Double_t &f,Double_t &de){ | |
250 | // line segment | |
251 | static Int_t hitindex0; | |
252 | AliITShit *h0,*h1; | |
58005f18 | 253 | |
3bd79107 | 254 | if(hitindex>= fHitsM->GetEntriesFast()) return kFALSE; |
58005f18 | 255 | |
3bd79107 | 256 | h1 = (AliITShit *) (fHitsM->At(hitindex)); |
257 | if(h1->StatusEntering()){ // if track entering volume, get index for next | |
258 | // step | |
259 | hitindex0 = hitindex; | |
260 | return kFALSE; | |
261 | } // end if StatusEntering() | |
262 | // else stepping | |
263 | h0 = (AliITShit *) (fHitsM->At(hitindex0)); | |
264 | de = h1->GetIonization(); | |
265 | h0->GetPositionL(a,c,e); | |
266 | h1->GetPositionL(b,d,f); | |
267 | b = b - a; | |
268 | d = d - c; | |
269 | f = f - e; | |
270 | hitindex0 = hitindex; | |
271 | return kTRUE; | |
272 | } | |
273 | //___________________________________________________________________________ | |
274 | Bool_t AliITSmodule::LineSegmentG(Int_t hitindex,Double_t &a,Double_t &b, | |
275 | Double_t &c,Double_t &d, | |
276 | Double_t &e,Double_t &f,Double_t &de){ | |
277 | // line segment | |
278 | static Int_t hitindex0; | |
279 | AliITShit *h0,*h1; | |
58005f18 | 280 | |
3bd79107 | 281 | if(hitindex>= fHitsM->GetEntriesFast()) return kFALSE; |
282 | ||
283 | h1 = (AliITShit *) (fHitsM->At(hitindex)); | |
284 | if(h1->StatusEntering()){ // if track entering volume, get index for next | |
285 | // step | |
286 | hitindex0 = hitindex; | |
287 | return kFALSE; | |
288 | } // end if StatusEntering() | |
289 | // else stepping | |
290 | h0 = (AliITShit *) (fHitsM->At(hitindex0)); | |
291 | de = h1->GetIonization(); | |
292 | h0->GetPositionG(a,c,e); | |
293 | h1->GetPositionG(b,d,f); | |
294 | b = b - a; | |
295 | d = d - c; | |
296 | f = f - e; | |
297 | hitindex0 = hitindex; | |
298 | return kTRUE; | |
299 | } | |
300 | //___________________________________________________________________________ | |
301 | Bool_t AliITSmodule::LineSegmentL(Int_t hitindex,Double_t &a,Double_t &b, | |
302 | Double_t &c,Double_t &d, | |
303 | Double_t &e,Double_t &f, | |
304 | Double_t &de,Int_t &track){ | |
305 | // line segmente | |
306 | static Int_t hitindex0; | |
307 | AliITShit *h0,*h1; | |
308 | ||
309 | if(hitindex>= fHitsM->GetEntriesFast()) return kFALSE; | |
310 | ||
311 | h1 = (AliITShit *) (fHitsM->At(hitindex)); | |
312 | if(h1->StatusEntering()){ // if track entering volume, get index for next | |
313 | // step | |
314 | hitindex0 = hitindex; | |
315 | track = h1->GetTrack(); | |
316 | return kFALSE; | |
317 | } // end if StatusEntering() | |
318 | // else stepping | |
319 | h0 = (AliITShit *) (fHitsM->At(hitindex0)); | |
320 | de = h1->GetIonization(); | |
321 | h0->GetPositionL(a,c,e); | |
322 | h1->GetPositionL(b,d,f); | |
323 | b = b - a; | |
324 | d = d - c; | |
325 | f = f - e; | |
326 | hitindex0 = hitindex; | |
327 | track = h1->GetTrack(); | |
328 | return kTRUE; | |
329 | } | |
330 | //___________________________________________________________________________ | |
331 | Bool_t AliITSmodule::LineSegmentG(Int_t hitindex,Double_t &a,Double_t &b, | |
332 | Double_t &c,Double_t &d, | |
333 | Double_t &e,Double_t &f, | |
334 | Double_t &de,Int_t &track){ | |
335 | // line segment | |
336 | static Int_t hitindex0; | |
337 | AliITShit *h0,*h1; | |
338 | ||
339 | if(hitindex>= fHitsM->GetEntriesFast()) return kFALSE; | |
340 | ||
341 | h1 = (AliITShit *) (fHitsM->At(hitindex)); | |
342 | if(h1->StatusEntering()){ // if track entering volume, get index for next | |
343 | // step | |
344 | hitindex0 = hitindex; | |
345 | track = h1->GetTrack(); | |
346 | return kFALSE; | |
347 | } // end if StatusEntering() | |
348 | // else stepping | |
349 | h0 = (AliITShit *) (fHitsM->At(hitindex0)); | |
350 | de = h1->GetIonization(); | |
351 | h0->GetPositionG(a,c,e); | |
352 | h1->GetPositionG(b,d,f); | |
353 | b = b - a; | |
354 | d = d - c; | |
355 | f = f - e; | |
356 | hitindex0 = hitindex; | |
357 | track = h1->GetTrack(); | |
358 | return kTRUE; | |
58005f18 | 359 | } |
3bd79107 | 360 | //___________________________________________________________________________ |
361 | void AliITSmodule::MedianHitL(Int_t index, | |
362 | AliITShit *itsHit1, | |
363 | AliITShit *itsHit2, | |
364 | Float_t &xMl, Float_t &yMl, Float_t &zMl){ | |
365 | // median hit | |
366 | Float_t x1l,y1l,z1l; | |
367 | Float_t x2l,y2l,z2l; | |
368 | ||
369 | itsHit1->GetPositionL(x1l,y1l,z1l); | |
370 | itsHit2->GetPositionL(x2l,y2l,z2l); | |
58005f18 | 371 | |
3bd79107 | 372 | xMl = (-y1l / (y2l-y1l))*(x2l-x1l) + x1l; |
373 | yMl = 0.0; | |
374 | zMl = (-y1l / (y2l-y1l))*(z2l-z1l) + z1l; | |
375 | } | |
58005f18 | 376 | //___________________________________________________________________________ |
3bd79107 | 377 | void AliITSmodule::MedianHit(Int_t index, |
378 | Float_t xg,Float_t yg,Float_t zg, | |
379 | Int_t status, | |
380 | Float_t &xMg,Float_t &yMg,Float_t &zMg, | |
381 | Int_t &flag){ | |
382 | // median hit | |
383 | static Float_t x1,y1,z1; | |
384 | ||
385 | if (status == 66){ // entering | |
386 | x1 = xg; | |
387 | y1 = yg; | |
388 | z1 = zg; | |
389 | flag = 1; | |
390 | } // end if | |
391 | if (status == 68){ // exiting | |
392 | MedianHitG(index,x1,y1,z1,xg,yg,zg,xMg,yMg,zMg); | |
393 | flag = 0; | |
394 | } // end if | |
395 | if ((status != 66) && (status != 68)) flag = 1; | |
58005f18 | 396 | } |
3bd79107 | 397 | //___________________________________________________________________________ |
398 | void AliITSmodule::GetID(Int_t &lay,Int_t &lad,Int_t &det){ | |
399 | // get ID | |
400 | fITS->GetITSgeom()->GetModuleId(fIndex,lay,lad,det); | |
401 | return ; | |
402 | } | |
403 |