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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 | ||
16 | /* | |
17 | $Log$ | |
18 | Revision 1.26 2002/10/22 15:40:19 alibrary | |
19 | Introducing Riostream.h | |
20 | ||
21 | Revision 1.25 2002/10/14 14:57:32 hristov | |
22 | Merging the VirtualMC branch to the main development branch (HEAD) | |
23 | ||
24 | Revision 1.23.8.1 2002/07/24 09:50:10 alibrary | |
25 | Updating VirtualMC | |
26 | ||
27 | Revision 1.24 2002/07/23 11:48:05 alla | |
28 | new Digits structure | |
29 | ||
30 | Revision 1.23 2001/09/19 18:41:45 alla | |
31 | Asimmetric START geometry | |
32 | ||
33 | Revision 1.22 2001/07/27 13:03:12 hristov | |
34 | Default Branch split level set to 99 | |
35 | ||
36 | Revision 1.21 2001/06/27 16:06:59 hristov | |
37 | Rotation matrix in BuildGeometry has been changed to rotx999 | |
38 | ||
39 | Revision 1.20.2.1 2001/06/27 10:51:15 alla | |
40 | Rotation matrix in BuildGeometry has benn changed to rotx999 | |
41 | ||
42 | Revision 1.20 2001/05/16 14:57:21 alibrary | |
43 | New files for folders and Stack | |
44 | ||
45 | Revision 1.19 2001/04/04 12:10:18 alla | |
46 | changes according Coding Convension | |
47 | ||
48 | Revision 1.18 2001/03/12 17:46:43 hristov | |
49 | Changes needed on Sun with CC 5.0 | |
50 | ||
51 | Revision 1.17 2001/01/26 19:59:53 hristov | |
52 | Major upgrade of AliRoot code | |
53 | ||
54 | Revision 1.16 2001/01/17 10:56:08 hristov | |
55 | Corrections to destructors | |
56 | ||
57 | Revision 1.15 2001/01/01 13:10:42 hristov | |
58 | Local definition of digits removed | |
59 | ||
60 | Revision 1.14 2000/12/22 16:17:15 hristov | |
61 | Updated START code from Alla | |
62 | ||
63 | Revision 1.13 2000/12/18 11:39:41 alibrary | |
64 | Quick fix to avoid crash in display waiting for new version | |
65 | ||
66 | Revision 1.12 2000/12/04 08:48:19 alibrary | |
67 | Fixing problems in the HEAD | |
68 | ||
69 | Revision 1.11 2000/10/13 13:14:08 hristov | |
70 | Bug fixes and code cleaning | |
71 | ||
72 | Revision 1.10 2000/10/02 21:28:13 fca | |
73 | Removal of useless dependecies via forward declarations | |
74 | ||
75 | Revision 1.9 2000/07/13 16:41:29 fca | |
76 | New START corrected for coding conventions | |
77 | ||
78 | Revision 1.8 2000/03/27 17:24:25 alla | |
79 | Modifing geometry | |
80 | ||
81 | Revision 1.6 2000/01/21 15:45:23 fca | |
82 | New Version from Alla | |
83 | ||
84 | Revision 1.5 2000/01/19 17:17:15 fca | |
85 | Introducing a list of lists of hits -- more hits allowed for detector now | |
86 | ||
87 | Revision 1.4 1999/11/12 15:04:00 fca | |
88 | Modifications from A.Maevskaya | |
89 | ||
90 | Revision 1.3 1999/09/29 09:24:29 fca | |
91 | Introduction of the Copyright and cvs Log | |
92 | ||
93 | */ | |
94 | ||
95 | /////////////////////////////////////////////////////////////////////////////// | |
96 | // // | |
97 | // START (T-Zero) Detector // | |
98 | // This class contains the base procedures for the START // | |
99 | // detector // | |
100 | // // | |
101 | //Begin_Html | |
102 | /* | |
103 | <img src="gif/AliSTARTClass.gif"> | |
104 | </pre> | |
105 | <br clear=left> | |
106 | <font size=+2 color=red> | |
107 | <p>The responsible person for this module is | |
108 | <a href="mailto:Alla.Maevskaia@cern.ch">Alla Maevskaia</a>. | |
109 | </font> | |
110 | <pre> | |
111 | */ | |
112 | //End_Html | |
113 | // // | |
114 | // // | |
115 | /////////////////////////////////////////////////////////////////////////////// | |
116 | ||
117 | #include <Riostream.h> | |
118 | #include <Riostream.h> | |
119 | ||
120 | #include "TMath.h" | |
121 | #include "TTUBE.h" | |
122 | #include "TNode.h" | |
123 | #include "TRandom.h" | |
124 | #include "TGeometry.h" | |
125 | #include "TFile.h" | |
126 | #include "TParticle.h" | |
127 | ||
128 | #include "AliRun.h" | |
129 | #include "AliSTART.h" | |
130 | #include "AliSTARTdigit.h" | |
131 | #include "AliSTARThit.h" | |
132 | #include "AliSTARThitPhoton.h" | |
133 | #include "AliSTARTvertex.h" | |
134 | ||
135 | ClassImp(AliSTART) | |
136 | ||
137 | static AliSTARTdigit *digits; | |
138 | ||
139 | //_____________________________________________________________________________ | |
140 | AliSTART::AliSTART() | |
141 | { | |
142 | // | |
143 | // Default constructor for class AliSTART | |
144 | // | |
145 | fIshunt = 1; | |
146 | fHits = 0; | |
147 | fDigits = 0; | |
148 | fPhotons = 0; | |
149 | } | |
150 | ||
151 | //_____________________________________________________________________________ | |
152 | AliSTART::AliSTART(const char *name, const char *title) | |
153 | : AliDetector(name,title) | |
154 | { | |
155 | // | |
156 | // Standard constructor for START Detector | |
157 | // | |
158 | ||
159 | ||
160 | // | |
161 | // Initialise Hit array | |
162 | fHits = new TClonesArray("AliSTARThit", 405); | |
163 | gAlice->AddHitList(fHits); | |
164 | ||
165 | fPhotons = new TClonesArray("AliSTARThitPhoton", 10000); | |
166 | gAlice->AddHitList (fPhotons); | |
167 | ||
168 | fIshunt = 1; | |
169 | fIdSens = 0; | |
170 | fNPhotons = 0; | |
171 | SetMarkerColor(kRed); | |
172 | } | |
173 | ||
174 | //_____________________________________________________________________________ | |
175 | AliSTART::~AliSTART() { | |
176 | if (fHits) { | |
177 | fHits->Delete(); | |
178 | delete fHits; | |
179 | } | |
180 | if (fPhotons) { | |
181 | fPhotons->Delete(); | |
182 | delete fPhotons; | |
183 | } | |
184 | } | |
185 | ||
186 | //_____________________________________________________________________________ | |
187 | void AliSTART::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
188 | { | |
189 | // | |
190 | // Add a START hit | |
191 | // | |
192 | TClonesArray &lhits = *fHits; | |
193 | new(lhits[fNhits++]) AliSTARThit(fIshunt,track,vol,hits); | |
194 | } | |
195 | ||
196 | //_____________________________________________________________________________ | |
197 | void AliSTART::AddHitPhoton(Int_t track, Int_t *vol, Float_t *hits) | |
198 | { | |
199 | // Add a START hit of photons | |
200 | ||
201 | TClonesArray &lhits = *fPhotons; | |
202 | new(lhits[fNPhotons++]) AliSTARThitPhoton(fIshunt,track,vol,hits); | |
203 | } | |
204 | ||
205 | //_____________________________________________________________________________ | |
206 | ||
207 | void AliSTART::AddDigit(Int_t *tracks,Int_t *digits) | |
208 | { | |
209 | ||
210 | // Add a START digit to the list. Dummy function. | |
211 | ||
212 | } | |
213 | ||
214 | //_____________________________________________________________________________ | |
215 | void AliSTART::BuildGeometry() | |
216 | { | |
217 | // | |
218 | // Build simple ROOT TNode geometry for event display | |
219 | // | |
220 | TNode *node, *top; | |
221 | const int kColorSTART = 19; | |
222 | ||
223 | top=gAlice->GetGeometry()->GetNode("alice"); | |
224 | ||
225 | // START define the different volumes | |
226 | new TRotMatrix("rotx999","rot999", 90,0,90,90,180,0); | |
227 | ||
228 | new TTUBE("S_0ST1","START volume 1","void",5.,10.7,5.3); | |
229 | top->cd(); | |
230 | node = new TNode("0ST1","0ST01","S_0ST1",0,0,69.7,""); | |
231 | node->SetLineColor(kColorSTART); | |
232 | fNodes->Add(node); | |
233 | ||
234 | new TTUBE("S_0ST2","START volume 2","void",5.,10.7,5.3); | |
235 | top->cd(); | |
236 | node = new TNode("0ST2","0ST2","S_0ST2",0,0,-350,"rotx999"); | |
237 | node->SetLineColor(kColorSTART); | |
238 | fNodes->Add(node); | |
239 | } | |
240 | ||
241 | //_____________________________________________________________________________ | |
242 | Int_t AliSTART::DistanceToPrimitive(Int_t px, Int_t py) | |
243 | { | |
244 | // | |
245 | // Calculate the distance from the mouse to the START on the screen | |
246 | // Dummy routine | |
247 | // | |
248 | return 9999; | |
249 | } | |
250 | ||
251 | //------------------------------------------------------------------------- | |
252 | void AliSTART::Init() | |
253 | { | |
254 | // | |
255 | // Initialis the START after it has been built | |
256 | Int_t i; | |
257 | // | |
258 | if(fDebug) { | |
259 | printf("\n%s: ",ClassName()); | |
260 | for(i=0;i<35;i++) printf("*"); | |
261 | printf(" START_INIT "); | |
262 | for(i=0;i<35;i++) printf("*"); | |
263 | printf("\n%s: ",ClassName()); | |
264 | // | |
265 | // Here the START initialisation code (if any!) | |
266 | for(i=0;i<80;i++) printf("*"); | |
267 | printf("\n"); | |
268 | } | |
269 | } | |
270 | ||
271 | //--------------------------------------------------------------------------- | |
272 | void AliSTART::MakeBranch(Option_t* option, const char *file) | |
273 | { | |
274 | // | |
275 | // Specific START branches | |
276 | // | |
277 | // Create Tree branches for the START. | |
278 | Int_t buffersize = 4000; | |
279 | char branchname[20]; | |
280 | sprintf(branchname,"%s",GetName()); | |
281 | ||
282 | AliDetector::MakeBranch(option,file); | |
283 | ||
284 | const char *cD = strstr(option,"D"); | |
285 | const char *cH = strstr(option,"H"); | |
286 | ||
287 | if (cH) | |
288 | { | |
289 | sprintf (branchname, "%shitPhoton", GetName()); | |
290 | MakeBranchInTree (gAlice->TreeH(), branchname, &fPhotons, 50000, file); | |
291 | } | |
292 | ||
293 | ||
294 | if (cD) { | |
295 | digits = new AliSTARTdigit(); | |
296 | MakeBranchInTree(gAlice->TreeD(), | |
297 | branchname, "AliSTARTdigit", digits, buffersize, 1, file); | |
298 | } | |
299 | /* | |
300 | char *cR = strstr(option,"R"); | |
301 | ||
302 | if (cR) { | |
303 | MakeBranchInTree(gAlice->TreeR(), | |
304 | branchname, "Int_t", &fZposit, buffersize, 1, file); | |
305 | } | |
306 | */ | |
307 | } | |
308 | ||
309 | //_____________________________________________________________________________ | |
310 | void AliSTART::ResetHits() | |
311 | { | |
312 | AliDetector::ResetHits(); | |
313 | ||
314 | fNPhotons = 0; | |
315 | if (fPhotons) fPhotons->Clear(); | |
316 | } | |
317 | ||
318 | //_____________________________________________________________________________ | |
319 | void AliSTART::SetTreeAddress() | |
320 | { | |
321 | TBranch *branch; | |
322 | TTree *treeH; | |
323 | ||
324 | AliDetector::SetTreeAddress(); | |
325 | treeH = gAlice->TreeH(); | |
326 | ||
327 | if (treeH) | |
328 | if (fPhotons) | |
329 | { | |
330 | branch = treeH->GetBranch ("STARThitPhoton"); | |
331 | if (branch) branch->SetAddress (&fPhotons); | |
332 | } | |
333 | } | |
334 | ||
335 | ||
336 | //_____________________________________________________________________________ | |
337 | ||
338 | void AliSTART::Hit2digit(Int_t evnum) | |
339 | { | |
340 | // | |
341 | // From hits to digits | |
342 | // | |
343 | /* | |
344 | Float_t x,y,e; | |
345 | Int_t nbytes = 0; | |
346 | Int_t hit; | |
347 | Int_t nhits; | |
348 | Int_t volume,pmt; | |
349 | char nameTH[8],nameTD[8]; | |
350 | Float_t timediff,timeright,timeleft,timeav; | |
351 | Float_t besttimeright,besttimeleft,meanTime; | |
352 | Int_t channelWidth=10; | |
353 | ||
354 | TParticle *particle; | |
355 | AliSTARThit *startHit; | |
356 | ||
357 | Int_t buffersize=256; | |
358 | ||
359 | digits= new AliSTARTdigit(); | |
360 | TBranch *bDig=0; | |
361 | ||
362 | ||
363 | // Event ------------------------- LOOP | |
364 | ||
365 | sprintf(nameTD,"TreeD%d",evnum); | |
366 | TTree *td = new TTree(nameTD,"START"); | |
367 | bDig = td->Branch("START","AliSTARTdigit",&digits,buffersize); | |
368 | ||
369 | besttimeright=9999.; | |
370 | besttimeleft=9999.; | |
371 | Int_t timeDiff=0; | |
372 | Int_t timeAv=0; | |
373 | ||
374 | Int_t nparticles = gAlice->GetEvent(evnum); | |
375 | if (nparticles <= 0) return; | |
376 | printf("\n nparticles %d\n",nparticles); | |
377 | ||
378 | ||
379 | sprintf(nameTH,"TreeH%d",evnum); | |
380 | printf("%s\n",nameTH); | |
381 | TTree *th = gAlice->TreeH(); | |
382 | Int_t ntracks = (Int_t) th->GetEntries(); | |
383 | if (ntracks<=0) return; | |
384 | // Start loop on tracks in the hits containers | |
385 | for (Int_t track=0; track<ntracks;track++) { | |
386 | gAlice->ResetHits(); | |
387 | nbytes += th->GetEvent(track); | |
388 | particle=gAlice->Particle(track); | |
389 | nhits =fHits->GetEntriesFast(); | |
390 | ||
391 | for (hit=0;hit<nhits;hit++) { | |
392 | startHit = (AliSTARThit*)fHits->UncheckedAt(hit); | |
393 | pmt=startHit->fPmt; | |
394 | e=startHit->fEtot; | |
395 | x=startHit->X(); | |
396 | y=startHit->Y(); | |
397 | volume = startHit->fVolume; | |
398 | if(volume==1){ | |
399 | timeright = startHit->fTime; | |
400 | if(timeright<besttimeright) { | |
401 | besttimeright=timeright; | |
402 | } //timeright | |
403 | }//time for right shoulder | |
404 | if(volume==2){ | |
405 | timeleft = startHit->fTime; | |
406 | // printf("timeleft %f\n",timeleft); | |
407 | if(timeleft<besttimeleft) { | |
408 | besttimeleft=timeleft; | |
409 | } //timeleftbest | |
410 | }//time for left shoulder | |
411 | } //hit loop | |
412 | } //track loop | |
413 | ||
414 | //folding with experimental time distribution | |
415 | Float_t besttimerightGaus=gRandom->Gaus(besttimeright,0.05); | |
416 | Float_t besttimeleftGaus=gRandom->Gaus(besttimeleft,0.05); | |
417 | timediff=besttimerightGaus-besttimeleftGaus; | |
418 | meanTime=(besttimerightGaus+besttimeleftGaus)/2.; | |
419 | if ( TMath::Abs(timediff)<2. && meanTime<3.) | |
420 | { | |
421 | //we assume centre of bunch is 5ns after TTS signal | |
422 | //TOF values are relative of the end of bunch | |
423 | Float_t ppBunch=25; | |
424 | ||
425 | ppBunch=ppBunch-10/2; | |
426 | Float_t t1=1000.*besttimeleftGaus; | |
427 | Float_t t2=1000.*besttimerightGaus; | |
428 | t1=t1/channelWidth+ppBunch; //time in ps to channelWidth | |
429 | t2=t2/channelWidth+ppBunch; //time in ps to channelWidth | |
430 | ||
431 | timeav=(t1+t2)/2.; | |
432 | ||
433 | // Time to TDC signal | |
434 | // 256 channels for timediff, range 1ns | |
435 | ||
436 | timediff=128+1000*timediff/channelWidth; // time in ps | |
437 | ||
438 | timeAv = (Int_t)(timeav); // time (ps) channel numbres | |
439 | timeDiff = (Int_t)(timediff); // time ( ps) channel numbres | |
440 | digits->Set(timeAv,timeDiff); | |
441 | } | |
442 | else | |
443 | {timeAv=999999; timeDiff=99999;} | |
444 | ||
445 | td->Fill(); | |
446 | printf("digits-> %d \n",digits->GetTime()); | |
447 | td->Write(); | |
448 | */ | |
449 | } | |
450 | ||
451 | ||
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463 |