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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 | ||
16 | /* | |
17 | $Log$ | |
4c475d27 | 18 | Revision 1.26 2002/10/22 15:40:19 alibrary |
19 | Introducing Riostream.h | |
20 | ||
ef0750c2 | 21 | Revision 1.25 2002/10/14 14:57:32 hristov |
22 | Merging the VirtualMC branch to the main development branch (HEAD) | |
23 | ||
b9d0a01d | 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 | ||
e73d68f2 | 30 | Revision 1.23 2001/09/19 18:41:45 alla |
31 | Asimmetric START geometry | |
32 | ||
a94466c5 | 33 | Revision 1.22 2001/07/27 13:03:12 hristov |
34 | Default Branch split level set to 99 | |
35 | ||
d0f40f23 | 36 | Revision 1.21 2001/06/27 16:06:59 hristov |
37 | Rotation matrix in BuildGeometry has been changed to rotx999 | |
38 | ||
44b06417 | 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 | ||
9e1a0ddb | 45 | Revision 1.19 2001/04/04 12:10:18 alla |
46 | changes according Coding Convension | |
47 | ||
2ca99a7f | 48 | Revision 1.18 2001/03/12 17:46:43 hristov |
49 | Changes needed on Sun with CC 5.0 | |
50 | ||
5cf7bbad | 51 | Revision 1.17 2001/01/26 19:59:53 hristov |
52 | Major upgrade of AliRoot code | |
53 | ||
2ab0c725 | 54 | Revision 1.16 2001/01/17 10:56:08 hristov |
55 | Corrections to destructors | |
56 | ||
bff160c8 | 57 | Revision 1.15 2001/01/01 13:10:42 hristov |
58 | Local definition of digits removed | |
59 | ||
9d0cd3ab | 60 | Revision 1.14 2000/12/22 16:17:15 hristov |
61 | Updated START code from Alla | |
62 | ||
f3ed336b | 63 | Revision 1.13 2000/12/18 11:39:41 alibrary |
64 | Quick fix to avoid crash in display waiting for new version | |
65 | ||
b169435d | 66 | Revision 1.12 2000/12/04 08:48:19 alibrary |
67 | Fixing problems in the HEAD | |
68 | ||
0cc62300 | 69 | Revision 1.11 2000/10/13 13:14:08 hristov |
70 | Bug fixes and code cleaning | |
71 | ||
528332ba | 72 | Revision 1.10 2000/10/02 21:28:13 fca |
73 | Removal of useless dependecies via forward declarations | |
74 | ||
94de3818 | 75 | Revision 1.9 2000/07/13 16:41:29 fca |
76 | New START corrected for coding conventions | |
77 | ||
ef51244a | 78 | Revision 1.8 2000/03/27 17:24:25 alla |
79 | Modifing geometry | |
80 | ||
c345bb4f | 81 | Revision 1.6 2000/01/21 15:45:23 fca |
82 | New Version from Alla | |
83 | ||
971579f6 | 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 | ||
1cedd08a | 87 | Revision 1.4 1999/11/12 15:04:00 fca |
88 | Modifications from A.Maevskaya | |
89 | ||
82fc3fb3 | 90 | Revision 1.3 1999/09/29 09:24:29 fca |
91 | Introduction of the Copyright and cvs Log | |
92 | ||
4c039060 | 93 | */ |
94 | ||
6ca40650 | 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 | ||
ef0750c2 | 117 | #include <Riostream.h> |
118 | #include <Riostream.h> | |
971579f6 | 119 | |
120 | #include "TMath.h" | |
121 | #include "TTUBE.h" | |
122 | #include "TNode.h" | |
c345bb4f | 123 | #include "TRandom.h" |
971579f6 | 124 | #include "TGeometry.h" |
2ab0c725 | 125 | #include "TFile.h" |
0cc62300 | 126 | #include "TParticle.h" |
2ab0c725 | 127 | |
971579f6 | 128 | #include "AliRun.h" |
129 | #include "AliSTART.h" | |
130 | #include "AliSTARTdigit.h" | |
971579f6 | 131 | #include "AliSTARThit.h" |
e73d68f2 | 132 | #include "AliSTARThitPhoton.h" |
c345bb4f | 133 | #include "AliSTARTvertex.h" |
971579f6 | 134 | |
6ca40650 | 135 | ClassImp(AliSTART) |
ef51244a | 136 | |
137 | static AliSTARTdigit *digits; | |
138 | ||
6ca40650 | 139 | //_____________________________________________________________________________ |
99560b47 | 140 | AliSTART::AliSTART() |
6ca40650 | 141 | { |
142 | // | |
143 | // Default constructor for class AliSTART | |
144 | // | |
f3ed336b | 145 | fIshunt = 1; |
971579f6 | 146 | fHits = 0; |
147 | fDigits = 0; | |
e73d68f2 | 148 | fPhotons = 0; |
6ca40650 | 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 | // | |
971579f6 | 158 | |
c345bb4f | 159 | |
6ca40650 | 160 | // |
161 | // Initialise Hit array | |
971579f6 | 162 | fHits = new TClonesArray("AliSTARThit", 405); |
b169435d | 163 | gAlice->AddHitList(fHits); |
e73d68f2 | 164 | |
165 | fPhotons = new TClonesArray("AliSTARThitPhoton", 10000); | |
166 | gAlice->AddHitList (fPhotons); | |
6ca40650 | 167 | |
f3ed336b | 168 | fIshunt = 1; |
c345bb4f | 169 | fIdSens = 0; |
e73d68f2 | 170 | fNPhotons = 0; |
6ca40650 | 171 | SetMarkerColor(kRed); |
172 | } | |
bff160c8 | 173 | |
174 | //_____________________________________________________________________________ | |
175 | AliSTART::~AliSTART() { | |
176 | if (fHits) { | |
177 | fHits->Delete(); | |
178 | delete fHits; | |
179 | } | |
e73d68f2 | 180 | if (fPhotons) { |
181 | fPhotons->Delete(); | |
182 | delete fPhotons; | |
183 | } | |
bff160c8 | 184 | } |
6ca40650 | 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 | } | |
971579f6 | 195 | |
e73d68f2 | 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 | ||
971579f6 | 205 | //_____________________________________________________________________________ |
c345bb4f | 206 | |
971579f6 | 207 | void AliSTART::AddDigit(Int_t *tracks,Int_t *digits) |
208 | { | |
c345bb4f | 209 | |
f3ed336b | 210 | // Add a START digit to the list. Dummy function. |
c345bb4f | 211 | |
971579f6 | 212 | } |
c345bb4f | 213 | |
6ca40650 | 214 | //_____________________________________________________________________________ |
215 | void AliSTART::BuildGeometry() | |
216 | { | |
217 | // | |
218 | // Build simple ROOT TNode geometry for event display | |
219 | // | |
ef51244a | 220 | TNode *node, *top; |
6ca40650 | 221 | const int kColorSTART = 19; |
f3ed336b | 222 | |
ef51244a | 223 | top=gAlice->GetGeometry()->GetNode("alice"); |
6ca40650 | 224 | |
225 | // START define the different volumes | |
44b06417 | 226 | new TRotMatrix("rotx999","rot999", 90,0,90,90,180,0); |
6ca40650 | 227 | |
2ca99a7f | 228 | new TTUBE("S_0ST1","START volume 1","void",5.,10.7,5.3); |
ef51244a | 229 | top->cd(); |
a94466c5 | 230 | node = new TNode("0ST1","0ST01","S_0ST1",0,0,69.7,""); |
ef51244a | 231 | node->SetLineColor(kColorSTART); |
232 | fNodes->Add(node); | |
6ca40650 | 233 | |
2ca99a7f | 234 | new TTUBE("S_0ST2","START volume 2","void",5.,10.7,5.3); |
ef51244a | 235 | top->cd(); |
a94466c5 | 236 | node = new TNode("0ST2","0ST2","S_0ST2",0,0,-350,"rotx999"); |
ef51244a | 237 | node->SetLineColor(kColorSTART); |
238 | fNodes->Add(node); | |
6ca40650 | 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 | ||
6ca40650 | 251 | //------------------------------------------------------------------------- |
252 | void AliSTART::Init() | |
253 | { | |
254 | // | |
255 | // Initialis the START after it has been built | |
256 | Int_t i; | |
6ca40650 | 257 | // |
9e1a0ddb | 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 | } | |
6ca40650 | 269 | } |
270 | ||
271 | //--------------------------------------------------------------------------- | |
9e1a0ddb | 272 | void AliSTART::MakeBranch(Option_t* option, const char *file) |
6ca40650 | 273 | { |
ef51244a | 274 | // |
275 | // Specific START branches | |
276 | // | |
6ca40650 | 277 | // Create Tree branches for the START. |
e73d68f2 | 278 | Int_t buffersize = 4000; |
279 | char branchname[20]; | |
6ca40650 | 280 | sprintf(branchname,"%s",GetName()); |
281 | ||
2ab0c725 | 282 | AliDetector::MakeBranch(option,file); |
6ca40650 | 283 | |
5cf7bbad | 284 | const char *cD = strstr(option,"D"); |
e73d68f2 | 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 | ||
2ab0c725 | 293 | |
294 | if (cD) { | |
295 | digits = new AliSTARTdigit(); | |
9e1a0ddb | 296 | MakeBranchInTree(gAlice->TreeD(), |
297 | branchname, "AliSTARTdigit", digits, buffersize, 1, file); | |
2ab0c725 | 298 | } |
c345bb4f | 299 | /* |
2ab0c725 | 300 | char *cR = strstr(option,"R"); |
301 | ||
302 | if (cR) { | |
9e1a0ddb | 303 | MakeBranchInTree(gAlice->TreeR(), |
304 | branchname, "Int_t", &fZposit, buffersize, 1, file); | |
2ab0c725 | 305 | } |
c345bb4f | 306 | */ |
6ca40650 | 307 | } |
971579f6 | 308 | |
e73d68f2 | 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 | ||
971579f6 | 336 | //_____________________________________________________________________________ |
c345bb4f | 337 | |
971579f6 | 338 | void AliSTART::Hit2digit(Int_t evnum) |
339 | { | |
ef51244a | 340 | // |
341 | // From hits to digits | |
342 | // | |
e73d68f2 | 343 | /* |
ef51244a | 344 | Float_t x,y,e; |
971579f6 | 345 | Int_t nbytes = 0; |
ef51244a | 346 | Int_t hit; |
971579f6 | 347 | Int_t nhits; |
348 | Int_t volume,pmt; | |
c345bb4f | 349 | char nameTH[8],nameTD[8]; |
350 | Float_t timediff,timeright,timeleft,timeav; | |
351 | Float_t besttimeright,besttimeleft,meanTime; | |
ef51244a | 352 | Int_t channelWidth=10; |
971579f6 | 353 | |
354 | TParticle *particle; | |
971579f6 | 355 | AliSTARThit *startHit; |
356 | ||
c345bb4f | 357 | Int_t buffersize=256; |
c345bb4f | 358 | |
359 | digits= new AliSTARTdigit(); | |
360 | TBranch *bDig=0; | |
971579f6 | 361 | |
c345bb4f | 362 | |
363 | // Event ------------------------- LOOP | |
364 | ||
365 | sprintf(nameTD,"TreeD%d",evnum); | |
ef51244a | 366 | TTree *td = new TTree(nameTD,"START"); |
d0f40f23 | 367 | bDig = td->Branch("START","AliSTARTdigit",&digits,buffersize); |
971579f6 | 368 | |
369 | besttimeright=9999.; | |
370 | besttimeleft=9999.; | |
ef51244a | 371 | Int_t timeDiff=0; |
372 | Int_t timeAv=0; | |
971579f6 | 373 | |
374 | Int_t nparticles = gAlice->GetEvent(evnum); | |
375 | if (nparticles <= 0) return; | |
376 | printf("\n nparticles %d\n",nparticles); | |
377 | ||
c345bb4f | 378 | |
971579f6 | 379 | sprintf(nameTH,"TreeH%d",evnum); |
380 | printf("%s\n",nameTH); | |
ef51244a | 381 | TTree *th = gAlice->TreeH(); |
382 | Int_t ntracks = (Int_t) th->GetEntries(); | |
971579f6 | 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(); | |
ef51244a | 387 | nbytes += th->GetEvent(track); |
2ab0c725 | 388 | particle=gAlice->Particle(track); |
c345bb4f | 389 | nhits =fHits->GetEntriesFast(); |
390 | ||
971579f6 | 391 | for (hit=0;hit<nhits;hit++) { |
392 | startHit = (AliSTARThit*)fHits->UncheckedAt(hit); | |
393 | pmt=startHit->fPmt; | |
394 | e=startHit->fEtot; | |
94de3818 | 395 | x=startHit->X(); |
396 | y=startHit->Y(); | |
971579f6 | 397 | volume = startHit->fVolume; |
398 | if(volume==1){ | |
399 | timeright = startHit->fTime; | |
400 | if(timeright<besttimeright) { | |
401 | besttimeright=timeright; | |
971579f6 | 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; | |
971579f6 | 409 | } //timeleftbest |
410 | }//time for left shoulder | |
411 | } //hit loop | |
412 | } //track loop | |
971579f6 | 413 | |
c345bb4f | 414 | //folding with experimental time distribution |
ef51244a | 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.) | |
c345bb4f | 420 | { |
ef51244a | 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; | |
971579f6 | 424 | |
ef51244a | 425 | ppBunch=ppBunch-10/2; |
c345bb4f | 426 | Float_t t1=1000.*besttimeleftGaus; |
427 | Float_t t2=1000.*besttimerightGaus; | |
ef51244a | 428 | t1=t1/channelWidth+ppBunch; //time in ps to channelWidth |
429 | t2=t2/channelWidth+ppBunch; //time in ps to channelWidth | |
c345bb4f | 430 | |
431 | timeav=(t1+t2)/2.; | |
432 | ||
433 | // Time to TDC signal | |
434 | // 256 channels for timediff, range 1ns | |
435 | ||
ef51244a | 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 | } | |
f3ed336b | 442 | else |
443 | {timeAv=999999; timeDiff=99999;} | |
444 | ||
445 | td->Fill(); | |
446 | printf("digits-> %d \n",digits->GetTime()); | |
447 | td->Write(); | |
e73d68f2 | 448 | */ |
f3ed336b | 449 | } |
c345bb4f | 450 | |
451 | ||
452 | ||
453 | ||
454 | ||
455 | ||
456 | ||
457 | ||
458 | ||
6ca40650 | 459 | |
971579f6 | 460 | |
ef51244a | 461 | |
971579f6 | 462 | |
c345bb4f | 463 |