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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 | $Log$ | |
2ab0c725 | 18 | Revision 1.17 2000/10/19 09:58:14 vicinanz |
19 | Updated Hits2Digit procedure | |
20 | ||
c2af3d73 | 21 | Revision 1.16 2000/10/02 21:28:17 fca |
22 | Removal of useless dependecies via forward declarations | |
23 | ||
94de3818 | 24 | Revision 1.15 2000/05/18 14:33:01 vicinanz |
25 | Modified to be full HP compliant | |
26 | ||
f5489efc | 27 | Revision 1.14 2000/05/15 19:32:36 fca |
28 | Add AddHitList !! | |
29 | ||
c8bd506f | 30 | Revision 1.13 2000/05/10 16:52:18 vicinanz |
31 | New TOF version with holes for PHOS/RICH | |
32 | ||
2cef3cb2 | 33 | Revision 1.11.2.1 2000/05/10 09:37:15 vicinanz |
34 | New version with Holes for PHOS/RICH | |
35 | ||
1cedd08a | 36 | Revision 1.11 1999/11/05 22:39:06 fca |
37 | New hits structure | |
38 | ||
826b71ec | 39 | Revision 1.10 1999/11/01 20:41:57 fca |
40 | Added protections against using the wrong version of FRAME | |
41 | ||
ab76897d | 42 | Revision 1.9 1999/10/15 15:35:19 fca |
43 | New version for frame1099 with and without holes | |
44 | ||
937fe4a4 | 45 | Revision 1.9 1999/09/29 09:24:33 fca |
46 | Introduction of the Copyright and cvs Log | |
4c039060 | 47 | |
937fe4a4 | 48 | */ |
fe4da5cc | 49 | /////////////////////////////////////////////////////////////////////////////// |
50 | // // | |
937fe4a4 | 51 | // Time Of Flight FCA // |
fe4da5cc | 52 | // This class contains the basic functions for the Time Of Flight // |
53 | // detector. Functions specific to one particular geometry are // | |
54 | // contained in the derived classes // | |
937fe4a4 | 55 | // |
56 | // VERSIONE WITH 5 SYMMETRIC MODULES ALONG Z AXIS | |
57 | // ============================================== | |
58 | // | |
59 | // VERSION WITH HOLES FOR PHOS AND TRD IN SPACEFRAME WITH HOLES | |
60 | // | |
61 | // Volume sensibile : FPAD | |
62 | // | |
63 | // | |
64 | // | |
65 | // Begin_Html | |
fe4da5cc | 66 | /* |
1439f98e | 67 | <img src="picts/AliTOFClass.gif"> |
fe4da5cc | 68 | */ |
69 | //End_Html | |
937fe4a4 | 70 | // |
71 | // | |
fe4da5cc | 72 | // // |
73 | /////////////////////////////////////////////////////////////////////////////// | |
74 | ||
826b71ec | 75 | #include <iostream.h> |
76 | ||
fe4da5cc | 77 | #include "AliTOF.h" |
2cef3cb2 | 78 | #include "AliTOFD.h" |
826b71ec | 79 | #include "TBRIK.h" |
2cef3cb2 | 80 | #include "TNode.h" |
81 | #include "TObject.h" | |
82 | #include "TRandom.h" | |
94de3818 | 83 | #include "TTree.h" |
2ab0c725 | 84 | #include "TFile.h" |
94de3818 | 85 | |
fe4da5cc | 86 | #include "AliRun.h" |
94de3818 | 87 | #include "AliMC.h" |
88 | #include "AliMagF.h" | |
fe4da5cc | 89 | #include "AliConst.h" |
2cef3cb2 | 90 | |
fe4da5cc | 91 | |
92 | ClassImp(AliTOF) | |
93 | ||
94 | //_____________________________________________________________________________ | |
95 | AliTOF::AliTOF() | |
96 | { | |
97 | // | |
98 | // Default constructor | |
99 | // | |
100 | fIshunt = 0; | |
101 | } | |
102 | ||
103 | //_____________________________________________________________________________ | |
104 | AliTOF::AliTOF(const char *name, const char *title) | |
105 | : AliDetector(name,title) | |
106 | { | |
107 | // | |
108 | // AliTOF standard constructor | |
109 | // | |
2cef3cb2 | 110 | // Here are fixed some important parameters |
111 | // | |
112 | ||
113 | // Initialization of hits and digits array | |
114 | // | |
fe4da5cc | 115 | fHits = new TClonesArray("AliTOFhit", 405); |
c8bd506f | 116 | gAlice->AddHitList(fHits); |
2cef3cb2 | 117 | fIshunt = 0; |
118 | fDigits = new TClonesArray("AliTOFdigit",405); | |
119 | // | |
120 | // Digitization parameters | |
fe4da5cc | 121 | // |
2cef3cb2 | 122 | // (Transfer Functions to be inserted here) |
fe4da5cc | 123 | // |
124 | SetMarkerColor(7); | |
125 | SetMarkerStyle(2); | |
126 | SetMarkerSize(0.4); | |
2cef3cb2 | 127 | |
128 | // General Geometrical Parameters | |
129 | fNTof = 18; | |
130 | fRmax = 399.0;//cm | |
131 | fRmin = 370.0;//cm | |
132 | fZlenC = 177.5;//cm | |
133 | fZlenB = 141.0;//cm | |
134 | fZlenA = 106.0;//cm | |
135 | fZtof = 370.5;//cm | |
136 | ||
137 | // Strip Parameters | |
138 | fStripLn = 122.0;//cm Strip Length | |
139 | fSpace = 5.5;//cm Space Beetween the strip and the bottom of the plate | |
140 | fDeadBndZ= 1.5;//cm Dead Boundaries of a Strip along Z direction (width) | |
141 | fDeadBndX= 1.0;//cm Dead Boundaries of a Strip along X direction (length) | |
142 | fXpad = 2.5;//cm X size of a pad | |
143 | fZpad = 3.5;//cm Z size of a pad | |
144 | fGapA = 4.; //cm Gap beetween tilted strip in A-type plate | |
145 | fGapB = 6.; //cm Gap beetween tilted strip in B-type plate | |
146 | fOverSpc = 15.3;//cm Space available for sensitive layers in radial direction | |
147 | fNpadX = 48; // Number of pads in a strip along the X direction | |
148 | fNpadZ = 2; // Number of pads in a strip along the Z direction | |
149 | fPadXStr = fNpadX*fNpadZ; //Number of pads per strip | |
150 | fNStripA = 0; | |
151 | fNStripB = 0; | |
152 | fNStripC = 0; | |
153 | ||
154 | // Physical performances | |
155 | fTimeRes = 100.;//ps | |
156 | fChrgRes = 100.;//pC | |
157 | ||
158 | // DAQ characteristics | |
159 | fPadXSector = 1932; | |
160 | fNRoc = 14; | |
161 | fNFec = 32; | |
162 | fNTdc = 32; | |
163 | fNPadXRoc = (Int_t)fPadXSector/fNRoc; | |
fe4da5cc | 164 | } |
165 | ||
166 | //_____________________________________________________________________________ | |
2cef3cb2 | 167 | void AliTOF::AddHit(Int_t track, Int_t *vol, Float_t *hits) |
fe4da5cc | 168 | { |
169 | // | |
170 | // Add a TOF hit | |
171 | // | |
172 | TClonesArray &lhits = *fHits; | |
2cef3cb2 | 173 | new(lhits[fNhits++]) AliTOFhit(fIshunt, track, vol, hits); |
fe4da5cc | 174 | } |
175 | ||
176 | //_____________________________________________________________________________ | |
2cef3cb2 | 177 | void AliTOF::AddDigit(Int_t *tracks, Int_t *vol, Float_t *digits) |
fe4da5cc | 178 | { |
179 | // | |
2cef3cb2 | 180 | // Add a TOF digit |
181 | // | |
182 | TClonesArray &ldigits = *fDigits; | |
183 | new (ldigits[fNdigits++]) AliTOFdigit(tracks, vol, digits); | |
fe4da5cc | 184 | } |
185 | ||
2cef3cb2 | 186 | |
fe4da5cc | 187 | //_____________________________________________________________________________ |
188 | void AliTOF::CreateGeometry() | |
189 | { | |
190 | // | |
3fe3a833 | 191 | // Common geometry code |
fe4da5cc | 192 | // |
193 | //Begin_Html | |
194 | /* | |
1439f98e | 195 | <img src="picts/AliTOFv23.gif"> |
fe4da5cc | 196 | */ |
197 | //End_Html | |
198 | // | |
fe4da5cc | 199 | const Double_t kPi=TMath::Pi(); |
2cef3cb2 | 200 | const Double_t kDegrad=kPi/180.; |
fe4da5cc | 201 | // |
2cef3cb2 | 202 | Float_t xTof, yTof, Wall; |
937fe4a4 | 203 | |
3fe3a833 | 204 | // frame inbetween TOF modules |
2cef3cb2 | 205 | Wall = 4.;//cm |
3fe3a833 | 206 | |
2cef3cb2 | 207 | // Sizes of TOF module with its support etc.. |
208 | xTof = 2.*(fRmin*TMath::Tan(10*kDegrad)-Wall/2-.5); | |
209 | yTof = fRmax-fRmin; | |
3fe3a833 | 210 | |
937fe4a4 | 211 | // TOF module internal definitions |
2cef3cb2 | 212 | TOFpc(xTof, yTof, fZlenC, fZlenB, fZlenA, fZtof); |
fe4da5cc | 213 | } |
214 | ||
215 | //_____________________________________________________________________________ | |
8f72dc0c | 216 | void AliTOF::DrawModule() |
fe4da5cc | 217 | { |
218 | // | |
219 | // Draw a shaded view of the common part of the TOF geometry | |
fe4da5cc | 220 | // |
221 | ||
3fe3a833 | 222 | cout << " Drawing of AliTOF"<< endl; |
fe4da5cc | 223 | // Set everything unseen |
cfce8870 | 224 | gMC->Gsatt("*", "seen", -1); |
fe4da5cc | 225 | // |
226 | // Set ALIC mother transparent | |
cfce8870 | 227 | gMC->Gsatt("ALIC","SEEN",0); |
fe4da5cc | 228 | // |
229 | // Set the volumes visible | |
2cef3cb2 | 230 | gMC->Gsatt("FTOA","SEEN",1); |
231 | gMC->Gsatt("FTOB","SEEN",1); | |
232 | gMC->Gsatt("FTOC","SEEN",1); | |
233 | gMC->Gsatt("FLTA","SEEN",1); | |
234 | gMC->Gsatt("FLTB","SEEN",1); | |
235 | gMC->Gsatt("FLTC","SEEN",1); | |
236 | gMC->Gsatt("FSTR","SEEN",1); | |
cfce8870 | 237 | // |
238 | gMC->Gdopt("hide", "on"); | |
239 | gMC->Gdopt("shad", "on"); | |
240 | gMC->Gsatt("*", "fill", 7); | |
241 | gMC->SetClipBox("."); | |
242 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
243 | gMC->DefaultRange(); | |
244 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); | |
245 | gMC->Gdhead(1111, "Time Of Flight"); | |
246 | gMC->Gdman(18, 4, "MAN"); | |
247 | gMC->Gdopt("hide","off"); | |
fe4da5cc | 248 | } |
249 | ||
250 | //_____________________________________________________________________________ | |
251 | void AliTOF::CreateMaterials() | |
252 | { | |
253 | // | |
254 | // Defines TOF materials for all versions | |
2cef3cb2 | 255 | // Authors : Maxim Martemianov, Boris Zagreev (ITEP) |
256 | // 18/09/98 | |
fe4da5cc | 257 | // |
258 | Int_t ISXFLD = gAlice->Field()->Integ(); | |
259 | Float_t SXMGMX = gAlice->Field()->Max(); | |
260 | // | |
3fe3a833 | 261 | //--- Quartz (SiO2) |
262 | Float_t aq[2] = { 28.0855,15.9994 }; | |
263 | Float_t zq[2] = { 14.,8. }; | |
264 | Float_t wq[2] = { 1.,2. }; | |
265 | Float_t dq = 2.20; | |
266 | Int_t nq = -2; | |
267 | // --- Freon | |
2cef3cb2 | 268 | Float_t afre[2] = {12.011,18.9984032 }; |
269 | Float_t zfre[2] = { 6., 9.}; | |
270 | Float_t wfre[2] = { 5.,12.}; | |
3fe3a833 | 271 | Float_t densfre = 1.5; |
272 | Int_t nfre = -2; | |
273 | // --- CO2 | |
2cef3cb2 | 274 | Float_t ac[2] = {12.,16.}; |
275 | Float_t zc[2] = { 6., 8.}; | |
276 | Float_t wc[2] = { 1., 2.}; | |
3fe3a833 | 277 | Float_t dc = .001977; |
278 | Int_t nc = -2; | |
279 | // For mylar (C5H4O2) | |
280 | Float_t amy[3] = { 12., 1., 16. }; | |
281 | Float_t zmy[3] = { 6., 1., 8. }; | |
282 | Float_t wmy[3] = { 5., 4., 2. }; | |
283 | Float_t dmy = 1.39; | |
284 | Int_t nmy = -3; | |
285 | // For polyethilene (CH2) for honeycomb!!!! | |
286 | Float_t ape[2] = { 12., 1. }; | |
287 | Float_t zpe[2] = { 6., 1. }; | |
288 | Float_t wpe[2] = { 1., 2. }; | |
289 | Float_t dpe = 0.935*0.479; //To have 1%X0 for 1cm as for honeycomb | |
290 | Int_t npe = -2; | |
291 | // --- G10 | |
fe4da5cc | 292 | Float_t ag10[4] = { 12.,1.,16.,28. }; |
2cef3cb2 | 293 | Float_t zg10[4] = { 6.,1., 8.,14. }; |
fe4da5cc | 294 | Float_t wmatg10[4] = { .259,.288,.248,.205 }; |
3fe3a833 | 295 | Float_t densg10 = 1.7; |
296 | Int_t nlmatg10 = -4; | |
297 | // --- DME | |
fe4da5cc | 298 | Float_t adme[5] = { 12.,1.,16.,19.,79. }; |
2cef3cb2 | 299 | Float_t zdme[5] = { 6.,1., 8., 9.,35. }; |
fe4da5cc | 300 | Float_t wmatdme[5] = { .4056,.0961,.2562,.1014,.1407 }; |
3fe3a833 | 301 | Float_t densdme = .00205; |
302 | Int_t nlmatdme = 5; | |
303 | // ---- ALUMINA (AL203) | |
2cef3cb2 | 304 | Float_t aal[2] = { 27.,16.}; |
305 | Float_t zal[2] = { 13., 8.}; | |
fe4da5cc | 306 | Float_t wmatal[2] = { 2.,3. }; |
3fe3a833 | 307 | Float_t densal = 2.3; |
308 | Int_t nlmatal = -2; | |
309 | // -- Water | |
310 | Float_t awa[2] = { 1., 16. }; | |
311 | Float_t zwa[2] = { 1., 8. }; | |
312 | Float_t wwa[2] = { 2., 1. }; | |
313 | Float_t dwa = 1.0; | |
314 | Int_t nwa = -2; | |
fe4da5cc | 315 | // |
3fe3a833 | 316 | //AliMaterial(0, "Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16); |
2cef3cb2 | 317 | AliMaterial( 1, "Air$",14.61,7.3,0.001205,30423.24,67500.); |
318 | AliMaterial( 2, "Cu $", 63.54, 29.0, 8.96, 1.43, 14.8); | |
319 | AliMaterial( 3, "C $", 12.01, 6.0, 2.265,18.8, 74.4); | |
320 | AliMixture ( 4, "Polyethilene$", ape, zpe, dpe, npe, wpe); | |
321 | AliMixture ( 5, "G10$", ag10, zg10, densg10, nlmatg10, wmatg10); | |
322 | AliMixture ( 6, "DME ", adme, zdme, densdme, nlmatdme, wmatdme); | |
323 | AliMixture ( 7, "CO2$", ac, zc, dc, nc, wc); | |
324 | AliMixture ( 8, "ALUMINA$", aal, zal, densal, nlmatal, wmatal); | |
325 | AliMaterial( 9, "Al $", 26.98, 13., 2.7, 8.9, 37.2); | |
3fe3a833 | 326 | AliMaterial(10, "C-TRD$", 12.01, 6., 2.265*18.8/69.282*15./100, 18.8, 74.4); // for 15% |
2cef3cb2 | 327 | AliMixture (11, "Mylar$", amy, zmy, dmy, nmy, wmy); |
328 | AliMixture (12, "Freon$", afre, zfre, densfre, nfre, wfre); | |
329 | AliMixture (13, "Quartz$", aq, zq, dq, nq, wq); | |
330 | AliMixture (14, "Water$", awa, zwa, dwa, nwa, wwa); | |
3fe3a833 | 331 | |
332 | Float_t epsil, stmin, deemax, stemax; | |
2cef3cb2 | 333 | |
334 | // Previous data | |
fe4da5cc | 335 | // EPSIL = 0.1 ! Tracking precision, |
336 | // STEMAX = 0.1 ! Maximum displacement for multiple scattering | |
337 | // DEEMAX = 0.1 ! Maximum fractional energy loss, DLS | |
338 | // STMIN = 0.1 | |
2cef3cb2 | 339 | // |
340 | // New data | |
341 | epsil = .001; // Tracking precision, | |
342 | stemax = -1.; // Maximum displacement for multiple scattering | |
343 | deemax = -.3; // Maximum fractional energy loss, DLS | |
fe4da5cc | 344 | stmin = -.8; |
937fe4a4 | 345 | |
2cef3cb2 | 346 | AliMedium( 1, "Air$" , 1, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); |
347 | AliMedium( 2, "Cu $" , 2, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); | |
348 | AliMedium( 3, "C $" , 3, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); | |
349 | AliMedium( 4, "Pol$" , 4, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); | |
350 | AliMedium( 5, "G10$" , 5, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); | |
351 | AliMedium( 6, "DME$" , 6, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); | |
352 | AliMedium( 7, "CO2$" , 7, 0, ISXFLD, SXMGMX, 10., -.01, -.1, .01, -.01); | |
353 | AliMedium( 8,"ALUMINA$", 8, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); | |
354 | AliMedium( 9,"Al Frame$",9, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); | |
355 | AliMedium(10, "DME-S$", 6, 1, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); | |
3fe3a833 | 356 | AliMedium(11, "C-TRD$", 10, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); |
2cef3cb2 | 357 | AliMedium(12, "Myl$" , 11, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); |
358 | AliMedium(13, "Fre$" , 12, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); | |
3fe3a833 | 359 | AliMedium(14, "Fre-S$", 12, 1, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); |
360 | AliMedium(15, "Glass$", 13, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); | |
361 | AliMedium(16, "Water$", 14, 0, ISXFLD, SXMGMX, 10., stemax, deemax, epsil, stmin); | |
fe4da5cc | 362 | } |
363 | ||
364 | //_____________________________________________________________________________ | |
365 | Int_t AliTOF::DistancetoPrimitive(Int_t , Int_t ) | |
366 | { | |
367 | // | |
368 | // Returns distance from mouse pointer to detector, default version | |
369 | // | |
370 | return 9999; | |
371 | } | |
372 | ||
373 | //_____________________________________________________________________________ | |
374 | void AliTOF::Init() | |
375 | { | |
376 | // | |
377 | // Initialise TOF detector after it has been built | |
378 | // | |
fe4da5cc | 379 | // Set id of TOF sensitive volume |
937fe4a4 | 380 | if (IsVersion() !=0) fIdSens=gMC->VolId("FPAD"); |
fe4da5cc | 381 | // |
fe4da5cc | 382 | } |
383 | ||
2cef3cb2 | 384 | //____________________________________________________________________________ |
2ab0c725 | 385 | void AliTOF::MakeBranch(Option_t* option, char *file) |
2cef3cb2 | 386 | // |
387 | // Initializes the Branches of the TOF inside the | |
388 | // trees written for each event. | |
389 | // AliDetector::MakeBranch initializes just the | |
390 | // Branch inside TreeH. Here we add the branch in | |
391 | // TreeD. | |
392 | // | |
393 | { | |
394 | ||
2ab0c725 | 395 | AliDetector::MakeBranch(option,file); |
2cef3cb2 | 396 | |
397 | Int_t buffersize = 4000; | |
398 | Char_t branchname[10]; | |
399 | sprintf(branchname,"%s",GetName()); | |
2ab0c725 | 400 | |
2cef3cb2 | 401 | char *D = strstr(option,"D"); |
402 | ||
403 | if (fDigits && gAlice->TreeD() && D){ | |
2ab0c725 | 404 | gAlice->MakeBranchInTree(gAlice->TreeD(), |
405 | branchname, &fDigits,buffersize, file) ; | |
2cef3cb2 | 406 | } |
407 | } | |
408 | ||
409 | //____________________________________________________________________________ | |
410 | void AliTOF::FinishEvent() | |
411 | { | |
412 | // Hits2Digits(); | |
413 | } | |
414 | ||
2ab0c725 | 415 | //___________________________________________ |
416 | void AliTOF::SDigits2Digits() | |
417 | { | |
418 | // | |
419 | // Genneratedigits | |
420 | // | |
421 | int nparticles = gAlice->GetNtrack(); | |
422 | cout << "Particles :" <<nparticles<<endl; | |
423 | if (nparticles > 0 ) { | |
424 | Hits2Digits(0); | |
425 | } | |
426 | } | |
2cef3cb2 | 427 | |
428 | //____________________________________________________________________________ | |
429 | void AliTOF::Hits2Digits(Int_t evNumber) | |
430 | // | |
431 | // Starting from the Hits Tree (TreeH), this | |
432 | // function writes the Digits Tree (TreeD) storing | |
433 | // the digits informations. | |
434 | // Has to be called just at the end of an event or | |
435 | // at the end of a whole run. | |
436 | // It could also be called by AliTOF::Finish Event() | |
437 | // but it can be too heavy. | |
438 | // Just for MC events. | |
439 | // | |
440 | // Called by the macro H2D.C | |
441 | // | |
442 | { | |
443 | AliTOFhit* currentHit; | |
444 | TTree *TD, *TH; | |
445 | Int_t tracks[3]; | |
446 | Int_t vol[5]; | |
447 | Float_t digit[2]; | |
448 | TClonesArray* TOFhits=this->Hits(); | |
449 | ||
2ab0c725 | 450 | Int_t nparticles = gAlice->GetNtrack(); |
2cef3cb2 | 451 | if (nparticles <= 0) return; |
452 | ||
453 | TD = gAlice->TreeD(); | |
454 | TH = gAlice->TreeH(); | |
455 | Int_t ntracks =(Int_t) TH->GetEntries(); | |
456 | Int_t nbytes, nhits; | |
457 | TRandom *rnd = new TRandom(); | |
458 | ||
459 | for (Int_t ntk=0; ntk<ntracks; ntk++){ | |
460 | ||
461 | nbytes = TH->GetEvent(ntk); | |
462 | nhits = TOFhits->GetEntriesFast(); | |
463 | ||
464 | for (Int_t hit=0; hit<nhits; hit++){ | |
465 | ||
466 | currentHit = (AliTOFhit*)(TOFhits->At(hit)); | |
467 | ||
468 | vol[0] = currentHit->GetSector(); | |
469 | vol[1] = currentHit->GetPlate(); | |
470 | vol[2] = currentHit->GetPad_x(); | |
471 | vol[3] = currentHit->GetPad_z(); | |
472 | vol[4] = currentHit->GetStrip(); | |
473 | ||
474 | Float_t IdealTime = currentHit->GetTof(); | |
475 | Float_t TDCTime = rnd->Gaus(IdealTime, fTimeRes); | |
476 | digit[0] = TDCTime; | |
477 | ||
478 | Float_t IdealCharge = currentHit->GetEdep(); | |
479 | Float_t ADCcharge = rnd->Gaus(IdealCharge, fChrgRes); | |
480 | digit[1] = ADCcharge; | |
481 | ||
482 | Int_t Track = currentHit -> GetTrack(); | |
483 | tracks[0] = Track; | |
484 | tracks[1] = 0; | |
485 | tracks[2] = 0; | |
486 | ||
487 | Bool_t Overlap = CheckOverlap(vol, digit, Track); | |
488 | if(!Overlap) AddDigit(tracks, vol, digit); | |
489 | } | |
490 | } | |
491 | TD->Fill(); | |
492 | TD->Write(); | |
493 | } | |
494 | ||
495 | //___________________________________________________________________________ | |
496 | Bool_t AliTOF::CheckOverlap(Int_t* vol, Float_t* digit,Int_t Track) | |
497 | // | |
498 | // Checks if 2 or more hits belong to the same pad. | |
499 | // In this case the data assigned to the digit object | |
500 | // are the ones of the first hit in order of Time. | |
501 | // | |
502 | // Called only by Hits2Digits. | |
503 | // | |
504 | { | |
505 | Bool_t Overlap = 0; | |
506 | Int_t vol2[5]; | |
507 | ||
508 | for (Int_t ndig=0; ndig<fNdigits; ndig++){ | |
509 | AliTOFdigit* currentDigit = (AliTOFdigit*)(fDigits->UncheckedAt(ndig)); | |
510 | currentDigit->GetLocation(vol2); | |
511 | Bool_t Idem=1; | |
512 | for (Int_t i=0;i<=4;i++){ | |
513 | if (vol[i]!=vol2[i]) Idem=0;} | |
514 | if (Idem){ | |
515 | Float_t TDC2 = digit[0]; | |
516 | Float_t TDC1 = currentDigit->GetTdc(); | |
517 | if (TDC1>TDC2){ | |
518 | currentDigit->SetTdc(TDC2); | |
519 | currentDigit->SetAdc(digit[1]); | |
520 | } | |
521 | currentDigit->AddTrack(Track); | |
522 | Overlap = 1; | |
523 | } | |
524 | } | |
525 | return Overlap; | |
526 | } | |
527 | ||
528 | ||
529 | //____________________________________________________________________________ | |
530 | void AliTOF::Digits2Raw(Int_t evNumber) | |
531 | // | |
532 | // Starting from digits, writes the | |
533 | // Raw Data objects, i.e. a | |
534 | // TClonesArray of 18 AliTOFRawSector objects | |
535 | // | |
536 | ||
537 | { | |
538 | TTree* TD; | |
539 | ||
540 | Int_t nparticles = gAlice->GetEvent(evNumber); | |
541 | if (nparticles <= 0) return; | |
542 | ||
543 | TD = gAlice->TreeD(); | |
544 | ||
545 | TClonesArray* TOFdigits = this->Digits(); | |
546 | Int_t ndigits = TOFdigits->GetEntriesFast(); | |
547 | ||
548 | TClonesArray* Raw = new TClonesArray("AliTOFRawSector",fNTof+2); | |
549 | ||
550 | for (Int_t isect=1;isect<=fNTof;isect++){ | |
551 | AliTOFRawSector* currentSector = (AliTOFRawSector*)Raw->UncheckedAt(isect); | |
552 | TClonesArray* RocData = (TClonesArray*)currentSector->GetRocData(); | |
553 | ||
554 | for (Int_t digit=0; digit<ndigits; digit++){ | |
555 | AliTOFdigit* currentDigit = (AliTOFdigit*)TOFdigits->UncheckedAt(digit); | |
556 | Int_t sector = currentDigit->GetSector(); | |
557 | if (sector==isect){ | |
558 | Int_t Pad = currentDigit -> GetTotPad(); | |
559 | Int_t Roc = (Int_t)(Pad/fNPadXRoc)-1; | |
560 | if (Roc>=fNRoc) printf("Wrong n. of ROC ! Roc = %i",Roc); | |
561 | Int_t PadRoc = (Int_t) Pad%fNPadXRoc; | |
562 | Int_t Fec = (Int_t)(PadRoc/fNFec)-1; | |
563 | Int_t Tdc = (Int_t)(PadRoc%fNFec)-1; | |
564 | Float_t Time = currentDigit->GetTdc(); | |
565 | Float_t Charge = currentDigit->GetAdc(); | |
566 | AliTOFRoc* currentROC = (AliTOFRoc*)RocData->UncheckedAt(Roc); | |
567 | Int_t Error = 0; | |
568 | currentROC->AddItem(Fec, Tdc, Error, Charge, Time); | |
569 | } | |
570 | } | |
571 | ||
572 | UInt_t TotSize=16,RocSize=0; | |
573 | UInt_t RocHead[14],RocChek[14]; | |
574 | UInt_t GlobalCheckSum=0; | |
575 | ||
576 | for (UInt_t iRoc = 1; iRoc<(UInt_t)fNRoc; iRoc++){ | |
577 | AliTOFRoc* currentRoc = (AliTOFRoc*)RocData->UncheckedAt(iRoc); | |
578 | RocSize = currentRoc->Items*2+1; | |
579 | TotSize += RocSize*4; | |
f5489efc | 580 | if (RocSize>=TMath::Power(2,16)) RocSize=0; |
2cef3cb2 | 581 | RocHead[iRoc] = iRoc<<28; |
582 | RocHead[iRoc] += RocSize; | |
583 | RocChek[iRoc] = currentRoc->GetCheckSum(); | |
584 | Int_t HeadCheck = currentRoc->BitCount(RocHead[iRoc]); | |
585 | GlobalCheckSum += HeadCheck; | |
586 | GlobalCheckSum += RocChek[iRoc]; | |
587 | } | |
588 | ||
589 | AliTOFRoc* DummyRoc = new AliTOFRoc(); | |
590 | TotSize *= 4; | |
f5489efc | 591 | if (TotSize>=TMath::Power(2,24)) TotSize=0; |
2cef3cb2 | 592 | UInt_t Header = TotSize; |
593 | UInt_t SectId = ((UInt_t)isect)<<24; | |
594 | Header += SectId; | |
595 | GlobalCheckSum += DummyRoc->BitCount(Header); | |
596 | currentSector->SetGlobalCS(GlobalCheckSum); | |
597 | currentSector->SetHeader(Header); | |
598 | } | |
599 | } | |
600 | ||
601 | //____________________________________________________________________________ | |
602 | void AliTOF::Raw2Digits(Int_t evNumber) | |
603 | // | |
604 | // Converts Raw Data objects into digits objects. | |
605 | // We schematize the raw data with a | |
606 | // TClonesArray of 18 AliTOFRawSector objects | |
607 | // | |
608 | { | |
609 | TTree *TD; | |
610 | Int_t vol[5]; | |
611 | Int_t tracks[3]; | |
612 | Float_t digit[2]; | |
613 | ||
614 | tracks[0]=0; | |
615 | tracks[1]=0; | |
616 | tracks[2]=0; | |
fe4da5cc | 617 | |
2cef3cb2 | 618 | Int_t nparticles = gAlice->GetEvent(evNumber); |
619 | if (nparticles <= 0) return; | |
620 | ||
621 | TD = gAlice->TreeD(); | |
622 | ||
623 | TClonesArray* Raw = new TClonesArray("AliTOFRawSector",fNTof+2); | |
624 | ||
625 | for(Int_t nSec=1; nSec<=fNTof; nSec++){ | |
626 | AliTOFRawSector* currentSector = (AliTOFRawSector*)Raw->UncheckedAt(nSec); | |
627 | TClonesArray* RocData = (TClonesArray*)currentSector->GetRocData(); | |
628 | for(Int_t nRoc=1; nRoc<=14; nRoc++){ | |
629 | AliTOFRoc* currentRoc = (AliTOFRoc*)RocData->UncheckedAt(nRoc); | |
630 | Int_t currentItems = currentRoc->GetItems(); | |
631 | for(Int_t item=1; item<currentItems; item++){ | |
632 | Int_t nPad = currentRoc->GetTotPad(item); | |
633 | vol[0] = nSec; | |
634 | Int_t nStrip = (Int_t)(nPad/fPadXStr)+1; | |
635 | Int_t nPlate = 5; | |
636 | if (nStrip<=fNStripC+2*fNStripB+fNStripA) nPlate = 4; | |
637 | if (nStrip<=fNStripC+fNStripB+fNStripA) nPlate = 3; | |
638 | if (nStrip<=fNStripC+fNStripB) nPlate = 2; | |
639 | if (nStrip<=fNStripC) nPlate=1; | |
640 | vol[1] = nPlate; | |
641 | switch (nPlate){ | |
642 | case 1: break; | |
643 | case 2: nStrip -= (fNStripC); | |
644 | break; | |
645 | case 3: nStrip -= (fNStripC+fNStripB); | |
646 | break; | |
647 | case 4: nStrip -= (fNStripC+fNStripB+fNStripA); | |
648 | break; | |
649 | case 5: nStrip -= (fNStripC+2*fNStripB+fNStripA); | |
650 | break; | |
651 | } | |
652 | vol[2] = nStrip; | |
653 | Int_t Pad = nPad%fPadXStr; | |
654 | if (Pad==0) Pad=fPadXStr; | |
655 | Int_t nPadX=0, nPadZ=0; | |
656 | (Pad>fNpadX)? nPadX -= fNpadX : nPadX = Pad ; | |
657 | vol[3] = nPadX; | |
658 | (Pad>fNpadX)? nPadZ = 2 : nPadZ = 1 ; | |
659 | vol[4] = nPadZ; | |
660 | UInt_t error=0; | |
661 | Float_t TDC = currentRoc->GetTime(item,error); | |
662 | if (!error) digit[0]=TDC; | |
663 | digit[1] = currentRoc->GetCharge(item); | |
664 | AddDigit(tracks,vol,digit); | |
665 | } | |
666 | } | |
667 | } | |
668 | TD->Fill(); | |
669 | TD->Write(); | |
670 | } | |
671 | ||
672 | ||
673 | /******************************************************************************/ | |
674 | ||
fe4da5cc | 675 | ClassImp(AliTOFhit) |
676 | ||
2cef3cb2 | 677 | //______________________________________________________________________________ |
678 | AliTOFhit::AliTOFhit(Int_t shunt, Int_t track, Int_t *vol, | |
679 | Float_t *hits) | |
680 | :AliHit(shunt, track) | |
681 | // | |
682 | // Constructor of hit object | |
683 | // | |
fe4da5cc | 684 | { |
685 | // | |
686 | // Store a TOF hit | |
2cef3cb2 | 687 | // _______________ |
fe4da5cc | 688 | // |
2cef3cb2 | 689 | // Hit Volume |
690 | // | |
691 | fSector= vol[0]; | |
692 | fPlate = vol[1]; | |
693 | fStrip = vol[2]; | |
694 | fPad_x = vol[3]; | |
695 | fPad_z = vol[4]; | |
fe4da5cc | 696 | // |
2cef3cb2 | 697 | //Position |
698 | fX = hits[0]; | |
699 | fY = hits[1]; | |
700 | fZ = hits[2]; | |
fe4da5cc | 701 | // |
702 | // Momentum | |
2cef3cb2 | 703 | fPx = hits[3]; |
704 | fPy = hits[4]; | |
705 | fPz = hits[5]; | |
706 | fPmom= hits[6]; | |
fe4da5cc | 707 | // |
708 | // Time Of Flight | |
2cef3cb2 | 709 | fTof = hits[7]; //TOF[s] |
710 | // | |
711 | // Other Data | |
712 | fDx = hits[8]; //Distance from the edge along x axis | |
713 | fDy = hits[9]; //Y cohordinate of the hit | |
714 | fDz = hits[10]; //Distance from the edge along z axis | |
715 | fIncA= hits[11]; //Incidence angle | |
716 | fEdep= hits[12]; //Energy loss in TOF pad | |
717 | } | |
718 | ||
719 | //****************************************************************************** | |
720 | ||
721 | ClassImp(AliTOFdigit) | |
722 | ||
723 | //______________________________________________________________________________ | |
724 | AliTOFdigit::AliTOFdigit(Int_t *tracks, Int_t *vol,Float_t *digit) | |
725 | :AliDigit(tracks) | |
726 | // | |
727 | // Constructor of digit object | |
728 | // | |
729 | { | |
730 | fSector = vol[0]; | |
731 | fPlate = vol[1]; | |
732 | fStrip = vol[2]; | |
733 | fPad_x = vol[3]; | |
734 | fPad_z = vol[4]; | |
735 | fTdc = digit[0]; | |
736 | fAdc = digit[1]; | |
737 | } | |
738 | ||
739 | //______________________________________________________________________________ | |
740 | void AliTOFdigit::GetLocation(Int_t *Loc) | |
741 | // | |
742 | // Get the cohordinates of the digit | |
743 | // in terms of Sector - Plate - Strip - Pad | |
744 | // | |
745 | { | |
746 | Loc[0]=fSector; | |
747 | Loc[1]=fPlate; | |
748 | Loc[2]=fStrip; | |
749 | Loc[3]=fPad_x; | |
750 | Loc[4]=fPad_z; | |
751 | } | |
752 | ||
753 | //______________________________________________________________________________ | |
754 | Int_t AliTOFdigit::GetTotPad() | |
755 | // | |
756 | // Get the "total" index of the pad inside a Sector | |
757 | // starting from the digits data. | |
758 | // | |
759 | { | |
760 | AliTOF* TOF; | |
761 | ||
762 | if(gAlice){ | |
763 | TOF =(AliTOF*) gAlice->GetDetector("TOF"); | |
764 | }else{ | |
765 | printf("AliTOFdigit::GetTotPad - No AliRun object present, exiting"); | |
766 | return 0; | |
767 | } | |
768 | ||
769 | Int_t Pad = fPad_x+TOF->fNpadX*(fPad_z-1); | |
770 | Int_t Before=0; | |
771 | ||
772 | switch(fPlate){ | |
773 | case 1: Before = 0; | |
774 | break; | |
775 | case 2: Before = TOF->fNStripC; | |
776 | break; | |
777 | case 3: Before = TOF->fNStripB + TOF->fNStripC; | |
778 | break; | |
779 | case 4: Before = TOF->fNStripA + TOF->fNStripB + TOF->fNStripC; | |
780 | break; | |
781 | case 5: Before = TOF->fNStripA + 2*TOF->fNStripB + TOF->fNStripC; | |
782 | break; | |
783 | } | |
784 | ||
785 | Int_t Strip = fStrip+Before; | |
786 | Int_t PadTot = TOF->fPadXStr*(Strip-1)+Pad; | |
787 | return PadTot; | |
788 | } | |
789 | ||
790 | //______________________________________________________________________________ | |
791 | void AliTOFdigit::AddTrack(Int_t track) | |
792 | // | |
793 | // Add a track to the digit | |
794 | // | |
795 | { | |
796 | if (fTracks[1]==0){ | |
797 | fTracks[1] = track; | |
798 | }else if (fTracks[2]==0){ | |
799 | fTracks[2] = track; | |
800 | }else{ | |
c2af3d73 | 801 | // printf("AliTOFdigit::AddTrack ERROR: Too many Tracks (>3) \n"); |
2cef3cb2 | 802 | } |
fe4da5cc | 803 | } |
937fe4a4 | 804 |