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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 | $Log$ | |
ef0750c2 | 18 | Revision 1.25 2002/10/14 14:57:32 hristov |
19 | Merging the VirtualMC branch to the main development branch (HEAD) | |
20 | ||
b9d0a01d | 21 | Revision 1.23.8.1 2002/07/24 09:50:10 alibrary |
22 | Updating VirtualMC | |
23 | ||
24 | Revision 1.24 2002/07/23 11:48:05 alla | |
25 | new Digits structure | |
26 | ||
e73d68f2 | 27 | Revision 1.23 2001/09/19 18:41:45 alla |
28 | Asimmetric START geometry | |
29 | ||
a94466c5 | 30 | Revision 1.22 2001/07/27 13:03:12 hristov |
31 | Default Branch split level set to 99 | |
32 | ||
d0f40f23 | 33 | Revision 1.21 2001/06/27 16:06:59 hristov |
34 | Rotation matrix in BuildGeometry has been changed to rotx999 | |
35 | ||
44b06417 | 36 | Revision 1.20.2.1 2001/06/27 10:51:15 alla |
37 | Rotation matrix in BuildGeometry has benn changed to rotx999 | |
38 | ||
39 | Revision 1.20 2001/05/16 14:57:21 alibrary | |
40 | New files for folders and Stack | |
41 | ||
9e1a0ddb | 42 | Revision 1.19 2001/04/04 12:10:18 alla |
43 | changes according Coding Convension | |
44 | ||
2ca99a7f | 45 | Revision 1.18 2001/03/12 17:46:43 hristov |
46 | Changes needed on Sun with CC 5.0 | |
47 | ||
5cf7bbad | 48 | Revision 1.17 2001/01/26 19:59:53 hristov |
49 | Major upgrade of AliRoot code | |
50 | ||
2ab0c725 | 51 | Revision 1.16 2001/01/17 10:56:08 hristov |
52 | Corrections to destructors | |
53 | ||
bff160c8 | 54 | Revision 1.15 2001/01/01 13:10:42 hristov |
55 | Local definition of digits removed | |
56 | ||
9d0cd3ab | 57 | Revision 1.14 2000/12/22 16:17:15 hristov |
58 | Updated START code from Alla | |
59 | ||
f3ed336b | 60 | Revision 1.13 2000/12/18 11:39:41 alibrary |
61 | Quick fix to avoid crash in display waiting for new version | |
62 | ||
b169435d | 63 | Revision 1.12 2000/12/04 08:48:19 alibrary |
64 | Fixing problems in the HEAD | |
65 | ||
0cc62300 | 66 | Revision 1.11 2000/10/13 13:14:08 hristov |
67 | Bug fixes and code cleaning | |
68 | ||
528332ba | 69 | Revision 1.10 2000/10/02 21:28:13 fca |
70 | Removal of useless dependecies via forward declarations | |
71 | ||
94de3818 | 72 | Revision 1.9 2000/07/13 16:41:29 fca |
73 | New START corrected for coding conventions | |
74 | ||
ef51244a | 75 | Revision 1.8 2000/03/27 17:24:25 alla |
76 | Modifing geometry | |
77 | ||
c345bb4f | 78 | Revision 1.6 2000/01/21 15:45:23 fca |
79 | New Version from Alla | |
80 | ||
971579f6 | 81 | Revision 1.5 2000/01/19 17:17:15 fca |
82 | Introducing a list of lists of hits -- more hits allowed for detector now | |
83 | ||
1cedd08a | 84 | Revision 1.4 1999/11/12 15:04:00 fca |
85 | Modifications from A.Maevskaya | |
86 | ||
82fc3fb3 | 87 | Revision 1.3 1999/09/29 09:24:29 fca |
88 | Introduction of the Copyright and cvs Log | |
89 | ||
4c039060 | 90 | */ |
91 | ||
6ca40650 | 92 | /////////////////////////////////////////////////////////////////////////////// |
93 | // // | |
94 | // START (T-Zero) Detector // | |
95 | // This class contains the base procedures for the START // | |
96 | // detector // | |
97 | // // | |
98 | //Begin_Html | |
99 | /* | |
100 | <img src="gif/AliSTARTClass.gif"> | |
101 | </pre> | |
102 | <br clear=left> | |
103 | <font size=+2 color=red> | |
104 | <p>The responsible person for this module is | |
105 | <a href="mailto:Alla.Maevskaia@cern.ch">Alla Maevskaia</a>. | |
106 | </font> | |
107 | <pre> | |
108 | */ | |
109 | //End_Html | |
110 | // // | |
111 | // // | |
112 | /////////////////////////////////////////////////////////////////////////////// | |
113 | ||
ef0750c2 | 114 | #include <Riostream.h> |
115 | #include <Riostream.h> | |
971579f6 | 116 | |
117 | #include "TMath.h" | |
118 | #include "TTUBE.h" | |
119 | #include "TNode.h" | |
c345bb4f | 120 | #include "TRandom.h" |
971579f6 | 121 | #include "TGeometry.h" |
2ab0c725 | 122 | #include "TFile.h" |
0cc62300 | 123 | #include "TParticle.h" |
2ab0c725 | 124 | |
971579f6 | 125 | #include "AliRun.h" |
126 | #include "AliSTART.h" | |
127 | #include "AliSTARTdigit.h" | |
6ca40650 | 128 | #include "AliMC.h" |
971579f6 | 129 | #include "AliSTARThit.h" |
e73d68f2 | 130 | #include "AliSTARThitPhoton.h" |
c345bb4f | 131 | #include "AliSTARTvertex.h" |
971579f6 | 132 | |
6ca40650 | 133 | ClassImp(AliSTART) |
ef51244a | 134 | |
135 | static AliSTARTdigit *digits; | |
136 | ||
6ca40650 | 137 | //_____________________________________________________________________________ |
99560b47 | 138 | AliSTART::AliSTART() |
6ca40650 | 139 | { |
140 | // | |
141 | // Default constructor for class AliSTART | |
142 | // | |
f3ed336b | 143 | fIshunt = 1; |
971579f6 | 144 | fHits = 0; |
145 | fDigits = 0; | |
e73d68f2 | 146 | fPhotons = 0; |
6ca40650 | 147 | } |
148 | ||
149 | //_____________________________________________________________________________ | |
150 | AliSTART::AliSTART(const char *name, const char *title) | |
151 | : AliDetector(name,title) | |
152 | { | |
153 | // | |
154 | // Standard constructor for START Detector | |
155 | // | |
971579f6 | 156 | |
c345bb4f | 157 | |
6ca40650 | 158 | // |
159 | // Initialise Hit array | |
971579f6 | 160 | fHits = new TClonesArray("AliSTARThit", 405); |
b169435d | 161 | gAlice->AddHitList(fHits); |
e73d68f2 | 162 | |
163 | fPhotons = new TClonesArray("AliSTARThitPhoton", 10000); | |
164 | gAlice->AddHitList (fPhotons); | |
6ca40650 | 165 | |
f3ed336b | 166 | fIshunt = 1; |
c345bb4f | 167 | fIdSens = 0; |
e73d68f2 | 168 | fNPhotons = 0; |
6ca40650 | 169 | SetMarkerColor(kRed); |
170 | } | |
bff160c8 | 171 | |
172 | //_____________________________________________________________________________ | |
173 | AliSTART::~AliSTART() { | |
174 | if (fHits) { | |
175 | fHits->Delete(); | |
176 | delete fHits; | |
177 | } | |
e73d68f2 | 178 | if (fPhotons) { |
179 | fPhotons->Delete(); | |
180 | delete fPhotons; | |
181 | } | |
bff160c8 | 182 | } |
6ca40650 | 183 | |
184 | //_____________________________________________________________________________ | |
185 | void AliSTART::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
186 | { | |
187 | // | |
188 | // Add a START hit | |
189 | // | |
190 | TClonesArray &lhits = *fHits; | |
191 | new(lhits[fNhits++]) AliSTARThit(fIshunt,track,vol,hits); | |
192 | } | |
971579f6 | 193 | |
e73d68f2 | 194 | //_____________________________________________________________________________ |
195 | void AliSTART::AddHitPhoton(Int_t track, Int_t *vol, Float_t *hits) | |
196 | { | |
197 | // Add a START hit of photons | |
198 | ||
199 | TClonesArray &lhits = *fPhotons; | |
200 | new(lhits[fNPhotons++]) AliSTARThitPhoton(fIshunt,track,vol,hits); | |
201 | } | |
202 | ||
971579f6 | 203 | //_____________________________________________________________________________ |
c345bb4f | 204 | |
971579f6 | 205 | void AliSTART::AddDigit(Int_t *tracks,Int_t *digits) |
206 | { | |
c345bb4f | 207 | |
f3ed336b | 208 | // Add a START digit to the list. Dummy function. |
c345bb4f | 209 | |
971579f6 | 210 | } |
c345bb4f | 211 | |
6ca40650 | 212 | //_____________________________________________________________________________ |
213 | void AliSTART::BuildGeometry() | |
214 | { | |
215 | // | |
216 | // Build simple ROOT TNode geometry for event display | |
217 | // | |
ef51244a | 218 | TNode *node, *top; |
6ca40650 | 219 | const int kColorSTART = 19; |
f3ed336b | 220 | |
ef51244a | 221 | top=gAlice->GetGeometry()->GetNode("alice"); |
6ca40650 | 222 | |
223 | // START define the different volumes | |
44b06417 | 224 | new TRotMatrix("rotx999","rot999", 90,0,90,90,180,0); |
6ca40650 | 225 | |
2ca99a7f | 226 | new TTUBE("S_0ST1","START volume 1","void",5.,10.7,5.3); |
ef51244a | 227 | top->cd(); |
a94466c5 | 228 | node = new TNode("0ST1","0ST01","S_0ST1",0,0,69.7,""); |
ef51244a | 229 | node->SetLineColor(kColorSTART); |
230 | fNodes->Add(node); | |
6ca40650 | 231 | |
2ca99a7f | 232 | new TTUBE("S_0ST2","START volume 2","void",5.,10.7,5.3); |
ef51244a | 233 | top->cd(); |
a94466c5 | 234 | node = new TNode("0ST2","0ST2","S_0ST2",0,0,-350,"rotx999"); |
ef51244a | 235 | node->SetLineColor(kColorSTART); |
236 | fNodes->Add(node); | |
6ca40650 | 237 | } |
238 | ||
239 | //_____________________________________________________________________________ | |
240 | Int_t AliSTART::DistanceToPrimitive(Int_t px, Int_t py) | |
241 | { | |
242 | // | |
243 | // Calculate the distance from the mouse to the START on the screen | |
244 | // Dummy routine | |
245 | // | |
246 | return 9999; | |
247 | } | |
248 | ||
6ca40650 | 249 | //------------------------------------------------------------------------- |
250 | void AliSTART::Init() | |
251 | { | |
252 | // | |
253 | // Initialis the START after it has been built | |
254 | Int_t i; | |
6ca40650 | 255 | // |
9e1a0ddb | 256 | if(fDebug) { |
257 | printf("\n%s: ",ClassName()); | |
258 | for(i=0;i<35;i++) printf("*"); | |
259 | printf(" START_INIT "); | |
260 | for(i=0;i<35;i++) printf("*"); | |
261 | printf("\n%s: ",ClassName()); | |
262 | // | |
263 | // Here the START initialisation code (if any!) | |
264 | for(i=0;i<80;i++) printf("*"); | |
265 | printf("\n"); | |
266 | } | |
6ca40650 | 267 | } |
268 | ||
269 | //--------------------------------------------------------------------------- | |
9e1a0ddb | 270 | void AliSTART::MakeBranch(Option_t* option, const char *file) |
6ca40650 | 271 | { |
ef51244a | 272 | // |
273 | // Specific START branches | |
274 | // | |
6ca40650 | 275 | // Create Tree branches for the START. |
e73d68f2 | 276 | Int_t buffersize = 4000; |
277 | char branchname[20]; | |
6ca40650 | 278 | sprintf(branchname,"%s",GetName()); |
279 | ||
2ab0c725 | 280 | AliDetector::MakeBranch(option,file); |
6ca40650 | 281 | |
5cf7bbad | 282 | const char *cD = strstr(option,"D"); |
e73d68f2 | 283 | const char *cH = strstr(option,"H"); |
284 | ||
285 | if (cH) | |
286 | { | |
287 | sprintf (branchname, "%shitPhoton", GetName()); | |
288 | MakeBranchInTree (gAlice->TreeH(), branchname, &fPhotons, 50000, file); | |
289 | } | |
290 | ||
2ab0c725 | 291 | |
292 | if (cD) { | |
293 | digits = new AliSTARTdigit(); | |
9e1a0ddb | 294 | MakeBranchInTree(gAlice->TreeD(), |
295 | branchname, "AliSTARTdigit", digits, buffersize, 1, file); | |
2ab0c725 | 296 | } |
c345bb4f | 297 | /* |
2ab0c725 | 298 | char *cR = strstr(option,"R"); |
299 | ||
300 | if (cR) { | |
9e1a0ddb | 301 | MakeBranchInTree(gAlice->TreeR(), |
302 | branchname, "Int_t", &fZposit, buffersize, 1, file); | |
2ab0c725 | 303 | } |
c345bb4f | 304 | */ |
6ca40650 | 305 | } |
971579f6 | 306 | |
e73d68f2 | 307 | //_____________________________________________________________________________ |
308 | void AliSTART::ResetHits() | |
309 | { | |
310 | AliDetector::ResetHits(); | |
311 | ||
312 | fNPhotons = 0; | |
313 | if (fPhotons) fPhotons->Clear(); | |
314 | } | |
315 | ||
316 | //_____________________________________________________________________________ | |
317 | void AliSTART::SetTreeAddress() | |
318 | { | |
319 | TBranch *branch; | |
320 | TTree *treeH; | |
321 | ||
322 | AliDetector::SetTreeAddress(); | |
323 | treeH = gAlice->TreeH(); | |
324 | ||
325 | if (treeH) | |
326 | if (fPhotons) | |
327 | { | |
328 | branch = treeH->GetBranch ("STARThitPhoton"); | |
329 | if (branch) branch->SetAddress (&fPhotons); | |
330 | } | |
331 | } | |
332 | ||
333 | ||
971579f6 | 334 | //_____________________________________________________________________________ |
c345bb4f | 335 | |
971579f6 | 336 | void AliSTART::Hit2digit(Int_t evnum) |
337 | { | |
ef51244a | 338 | // |
339 | // From hits to digits | |
340 | // | |
e73d68f2 | 341 | /* |
ef51244a | 342 | Float_t x,y,e; |
971579f6 | 343 | Int_t nbytes = 0; |
ef51244a | 344 | Int_t hit; |
971579f6 | 345 | Int_t nhits; |
346 | Int_t volume,pmt; | |
c345bb4f | 347 | char nameTH[8],nameTD[8]; |
348 | Float_t timediff,timeright,timeleft,timeav; | |
349 | Float_t besttimeright,besttimeleft,meanTime; | |
ef51244a | 350 | Int_t channelWidth=10; |
971579f6 | 351 | |
352 | TParticle *particle; | |
971579f6 | 353 | AliSTARThit *startHit; |
354 | ||
c345bb4f | 355 | Int_t buffersize=256; |
c345bb4f | 356 | |
357 | digits= new AliSTARTdigit(); | |
358 | TBranch *bDig=0; | |
971579f6 | 359 | |
c345bb4f | 360 | |
361 | // Event ------------------------- LOOP | |
362 | ||
363 | sprintf(nameTD,"TreeD%d",evnum); | |
ef51244a | 364 | TTree *td = new TTree(nameTD,"START"); |
d0f40f23 | 365 | bDig = td->Branch("START","AliSTARTdigit",&digits,buffersize); |
971579f6 | 366 | |
367 | besttimeright=9999.; | |
368 | besttimeleft=9999.; | |
ef51244a | 369 | Int_t timeDiff=0; |
370 | Int_t timeAv=0; | |
971579f6 | 371 | |
372 | Int_t nparticles = gAlice->GetEvent(evnum); | |
373 | if (nparticles <= 0) return; | |
374 | printf("\n nparticles %d\n",nparticles); | |
375 | ||
c345bb4f | 376 | |
971579f6 | 377 | sprintf(nameTH,"TreeH%d",evnum); |
378 | printf("%s\n",nameTH); | |
ef51244a | 379 | TTree *th = gAlice->TreeH(); |
380 | Int_t ntracks = (Int_t) th->GetEntries(); | |
971579f6 | 381 | if (ntracks<=0) return; |
382 | // Start loop on tracks in the hits containers | |
383 | for (Int_t track=0; track<ntracks;track++) { | |
384 | gAlice->ResetHits(); | |
ef51244a | 385 | nbytes += th->GetEvent(track); |
2ab0c725 | 386 | particle=gAlice->Particle(track); |
c345bb4f | 387 | nhits =fHits->GetEntriesFast(); |
388 | ||
971579f6 | 389 | for (hit=0;hit<nhits;hit++) { |
390 | startHit = (AliSTARThit*)fHits->UncheckedAt(hit); | |
391 | pmt=startHit->fPmt; | |
392 | e=startHit->fEtot; | |
94de3818 | 393 | x=startHit->X(); |
394 | y=startHit->Y(); | |
971579f6 | 395 | volume = startHit->fVolume; |
396 | if(volume==1){ | |
397 | timeright = startHit->fTime; | |
398 | if(timeright<besttimeright) { | |
399 | besttimeright=timeright; | |
971579f6 | 400 | } //timeright |
401 | }//time for right shoulder | |
402 | if(volume==2){ | |
403 | timeleft = startHit->fTime; | |
404 | // printf("timeleft %f\n",timeleft); | |
405 | if(timeleft<besttimeleft) { | |
406 | besttimeleft=timeleft; | |
971579f6 | 407 | } //timeleftbest |
408 | }//time for left shoulder | |
409 | } //hit loop | |
410 | } //track loop | |
971579f6 | 411 | |
c345bb4f | 412 | //folding with experimental time distribution |
ef51244a | 413 | Float_t besttimerightGaus=gRandom->Gaus(besttimeright,0.05); |
414 | Float_t besttimeleftGaus=gRandom->Gaus(besttimeleft,0.05); | |
415 | timediff=besttimerightGaus-besttimeleftGaus; | |
416 | meanTime=(besttimerightGaus+besttimeleftGaus)/2.; | |
417 | if ( TMath::Abs(timediff)<2. && meanTime<3.) | |
c345bb4f | 418 | { |
ef51244a | 419 | //we assume centre of bunch is 5ns after TTS signal |
420 | //TOF values are relative of the end of bunch | |
421 | Float_t ppBunch=25; | |
971579f6 | 422 | |
ef51244a | 423 | ppBunch=ppBunch-10/2; |
c345bb4f | 424 | Float_t t1=1000.*besttimeleftGaus; |
425 | Float_t t2=1000.*besttimerightGaus; | |
ef51244a | 426 | t1=t1/channelWidth+ppBunch; //time in ps to channelWidth |
427 | t2=t2/channelWidth+ppBunch; //time in ps to channelWidth | |
c345bb4f | 428 | |
429 | timeav=(t1+t2)/2.; | |
430 | ||
431 | // Time to TDC signal | |
432 | // 256 channels for timediff, range 1ns | |
433 | ||
ef51244a | 434 | timediff=128+1000*timediff/channelWidth; // time in ps |
435 | ||
436 | timeAv = (Int_t)(timeav); // time (ps) channel numbres | |
437 | timeDiff = (Int_t)(timediff); // time ( ps) channel numbres | |
438 | digits->Set(timeAv,timeDiff); | |
439 | } | |
f3ed336b | 440 | else |
441 | {timeAv=999999; timeDiff=99999;} | |
442 | ||
443 | td->Fill(); | |
444 | printf("digits-> %d \n",digits->GetTime()); | |
445 | td->Write(); | |
e73d68f2 | 446 | */ |
f3ed336b | 447 | } |
c345bb4f | 448 | |
449 | ||
450 | ||
451 | ||
452 | ||
453 | ||
454 | ||
455 | ||
456 | ||
6ca40650 | 457 | |
971579f6 | 458 | |
ef51244a | 459 | |
971579f6 | 460 | |
c345bb4f | 461 |