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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 | $Log$ | |
68861244 | 18 | Revision 1.20 2001/05/16 14:57:24 alibrary |
19 | New files for folders and Stack | |
20 | ||
9e1a0ddb | 21 | Revision 1.19 2001/05/04 10:09:48 vicinanz |
22 | Major upgrades to the strip structure | |
23 | ||
b94fa26c | 24 | Revision 1.18 2000/12/04 08:48:20 alibrary |
25 | Fixing problems in the HEAD | |
26 | ||
0cc62300 | 27 | Revision 1.17 2000/10/02 21:28:17 fca |
28 | Removal of useless dependecies via forward declarations | |
29 | ||
94de3818 | 30 | Revision 1.16 2000/05/10 16:52:18 vicinanz |
31 | New TOF version with holes for PHOS/RICH | |
32 | ||
2cef3cb2 | 33 | Revision 1.14.2.1 2000/05/10 09:37:16 vicinanz |
34 | New version with Holes for PHOS/RICH | |
35 | ||
da39da0c | 36 | Revision 1.14 1999/11/05 22:39:06 fca |
37 | New hits structure | |
38 | ||
826b71ec | 39 | Revision 1.13 1999/11/02 11:26:39 fca |
40 | added stdlib.h for exit | |
41 | ||
0c50193f | 42 | Revision 1.12 1999/11/01 20:41:57 fca |
43 | Added protections against using the wrong version of FRAME | |
44 | ||
ab76897d | 45 | Revision 1.11 1999/10/22 08:04:14 fca |
46 | Correct improper use of negative parameters | |
47 | ||
d0a635a0 | 48 | Revision 1.10 1999/10/16 19:30:06 fca |
49 | Corrected Rotation Matrix and CVS log | |
50 | ||
00e5f8d9 | 51 | Revision 1.9 1999/10/15 15:35:20 fca |
52 | New version for frame1099 with and without holes | |
53 | ||
54 | Revision 1.8 1999/09/29 09:24:33 fca | |
937fe4a4 | 55 | Introduction of the Copyright and cvs Log |
56 | ||
4c039060 | 57 | */ |
58 | ||
fe4da5cc | 59 | /////////////////////////////////////////////////////////////////////////////// |
60 | // // | |
68861244 | 61 | // Time Of Flight: design of C.Williams // |
62 | // // | |
63 | // This class contains the functions for version 3 of the Time Of Flight // | |
fe4da5cc | 64 | // detector. // |
937fe4a4 | 65 | // |
66 | // VERSION WITH 5 MODULES AND TILTED STRIPS | |
68861244 | 67 | // HITS DEFINED FOR THIS VERSION |
2cef3cb2 | 68 | // HOLES FOR RICH DETECTOR |
937fe4a4 | 69 | // |
70 | // Authors: | |
71 | // | |
72 | // Alessio Seganti | |
73 | // Domenico Vicinanza | |
74 | // | |
75 | // University of Salerno - Italy | |
76 | // | |
b94fa26c | 77 | // Fabrizio Pierella |
78 | // University of Bologna - Italy | |
79 | // | |
937fe4a4 | 80 | // |
fe4da5cc | 81 | //Begin_Html |
82 | /* | |
1439f98e | 83 | <img src="picts/AliTOFv3Class.gif"> |
fe4da5cc | 84 | */ |
85 | //End_Html | |
86 | // // | |
87 | /////////////////////////////////////////////////////////////////////////////// | |
88 | ||
826b71ec | 89 | #include <iostream.h> |
0c50193f | 90 | #include <stdlib.h> |
91 | ||
fe4da5cc | 92 | #include "AliTOFv3.h" |
2cef3cb2 | 93 | #include "TBRIK.h" |
94de3818 | 94 | #include "TGeometry.h" |
2cef3cb2 | 95 | #include "TNode.h" |
0cc62300 | 96 | #include <TLorentzVector.h> |
2cef3cb2 | 97 | #include "TObject.h" |
fe4da5cc | 98 | #include "AliRun.h" |
94de3818 | 99 | #include "AliMC.h" |
3fe3a833 | 100 | #include "AliConst.h" |
2cef3cb2 | 101 | |
fe4da5cc | 102 | |
103 | ClassImp(AliTOFv3) | |
104 | ||
105 | //_____________________________________________________________________________ | |
ad51aeb0 | 106 | AliTOFv3::AliTOFv3() |
fe4da5cc | 107 | { |
108 | // | |
109 | // Default constructor | |
110 | // | |
111 | } | |
112 | ||
113 | //_____________________________________________________________________________ | |
114 | AliTOFv3::AliTOFv3(const char *name, const char *title) | |
2cef3cb2 | 115 | : AliTOF(name,title) |
fe4da5cc | 116 | { |
117 | // | |
118 | // Standard constructor | |
119 | // | |
da39da0c | 120 | // |
121 | // Check that FRAME is there otherwise we have no place where to | |
122 | // put TOF | |
b94fa26c | 123 | AliModule* frame=gAlice->GetModule("FRAME"); |
124 | if(!frame) { | |
da39da0c | 125 | Error("Ctor","TOF needs FRAME to be present\n"); |
126 | exit(1); | |
2cef3cb2 | 127 | } else |
b94fa26c | 128 | if(frame->IsVersion()!=1) { |
da39da0c | 129 | Error("Ctor","FRAME version 1 needed with this version of TOF\n"); |
130 | exit(1); | |
131 | } | |
132 | ||
fe4da5cc | 133 | } |
2cef3cb2 | 134 | |
b94fa26c | 135 | //____________________________________________________________________________ |
136 | AliTOFv3::~AliTOFv3() | |
137 | { | |
138 | // destructor | |
139 | ||
140 | if ( fHits) { | |
141 | fHits->Delete() ; | |
142 | delete fHits ; | |
143 | fHits = 0 ; | |
144 | } | |
68861244 | 145 | |
b94fa26c | 146 | if ( fSDigits) { |
147 | fSDigits->Delete() ; | |
148 | delete fSDigits ; | |
149 | fSDigits = 0 ; | |
150 | } | |
68861244 | 151 | |
b94fa26c | 152 | if ( fDigits) { |
153 | fDigits->Delete() ; | |
154 | delete fDigits ; | |
155 | fDigits = 0 ; | |
156 | } | |
157 | ||
158 | } | |
159 | ||
2cef3cb2 | 160 | //_____________________________________________________________________________ |
161 | void AliTOFv3::BuildGeometry() | |
162 | { | |
163 | // | |
164 | // Build TOF ROOT geometry for the ALICE event display | |
165 | // | |
b94fa26c | 166 | TNode *node, *top; |
2cef3cb2 | 167 | const int kColorTOF = 27; |
168 | ||
169 | // Find top TNODE | |
b94fa26c | 170 | top = gAlice->GetGeometry()->GetNode("alice"); |
2cef3cb2 | 171 | |
172 | // Position the different copies | |
b94fa26c | 173 | const Float_t krTof =(fRmax+fRmin)/2; |
174 | const Float_t khTof = fRmax-fRmin; | |
175 | const Int_t kNTof = fNTof; | |
2cef3cb2 | 176 | const Float_t kPi = TMath::Pi(); |
b94fa26c | 177 | const Float_t kangle = 2*kPi/kNTof; |
2cef3cb2 | 178 | Float_t ang; |
179 | ||
180 | // Define TOF basic volume | |
181 | ||
b94fa26c | 182 | char nodeName0[7], nodeName1[7], nodeName2[7]; |
183 | char nodeName3[7], nodeName4[7], rotMatNum[7]; | |
2cef3cb2 | 184 | |
185 | new TBRIK("S_TOF_C","TOF box","void", | |
b94fa26c | 186 | 120*0.5,khTof*0.5,fZlenC*0.5); |
2cef3cb2 | 187 | new TBRIK("S_TOF_B","TOF box","void", |
b94fa26c | 188 | 120*0.5,khTof*0.5,fZlenB*0.5); |
2cef3cb2 | 189 | new TBRIK("S_TOF_A","TOF box","void", |
b94fa26c | 190 | 120*0.5,khTof*0.5,fZlenA*0.5); |
2cef3cb2 | 191 | |
b94fa26c | 192 | for (Int_t nodeNum=1;nodeNum<19;nodeNum++){ |
2cef3cb2 | 193 | |
b94fa26c | 194 | if (nodeNum<10) { |
195 | sprintf(rotMatNum,"rot50%i",nodeNum); | |
196 | sprintf(nodeName0,"FTO00%i",nodeNum); | |
197 | sprintf(nodeName1,"FTO10%i",nodeNum); | |
198 | sprintf(nodeName2,"FTO20%i",nodeNum); | |
199 | sprintf(nodeName3,"FTO30%i",nodeNum); | |
200 | sprintf(nodeName4,"FTO40%i",nodeNum); | |
2cef3cb2 | 201 | } |
b94fa26c | 202 | if (nodeNum>9) { |
203 | sprintf(rotMatNum,"rot5%i",nodeNum); | |
204 | sprintf(nodeName0,"FTO0%i",nodeNum); | |
205 | sprintf(nodeName1,"FTO1%i",nodeNum); | |
206 | sprintf(nodeName2,"FTO2%i",nodeNum); | |
207 | sprintf(nodeName3,"FTO3%i",nodeNum); | |
208 | sprintf(nodeName4,"FTO4%i",nodeNum); | |
2cef3cb2 | 209 | } |
210 | ||
b94fa26c | 211 | new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0); |
212 | ang = (4.5-nodeNum) * kangle; | |
213 | ||
214 | top->cd(); | |
215 | node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum); | |
216 | node->SetLineColor(kColorTOF); | |
217 | fNodes->Add(node); | |
218 | ||
219 | top->cd(); | |
220 | node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum); | |
221 | node->SetLineColor(kColorTOF); | |
222 | fNodes->Add(node); | |
223 | if (nodeNum !=1 && nodeNum!=2 && nodeNum !=18) | |
2cef3cb2 | 224 | { |
b94fa26c | 225 | top->cd(); |
226 | node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum); | |
227 | node->SetLineColor(kColorTOF); | |
228 | fNodes->Add(node); | |
229 | ||
230 | top->cd(); | |
231 | node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum); | |
232 | node->SetLineColor(kColorTOF); | |
233 | fNodes->Add(node); | |
2cef3cb2 | 234 | } // Holes for RICH detector |
235 | ||
b94fa26c | 236 | if (nodeNum !=1 && nodeNum !=2 && nodeNum !=18) |
2cef3cb2 | 237 | { |
b94fa26c | 238 | top->cd(); |
239 | node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum); | |
240 | node->SetLineColor(kColorTOF); | |
241 | fNodes->Add(node); | |
2cef3cb2 | 242 | } // Holes for RICH detector, central part |
243 | } | |
244 | } | |
245 | ||
246 | ||
fe4da5cc | 247 | |
248 | //_____________________________________________________________________________ | |
249 | void AliTOFv3::CreateGeometry() | |
250 | { | |
251 | // | |
3fe3a833 | 252 | // Create geometry for Time Of Flight version 0 |
fe4da5cc | 253 | // |
254 | //Begin_Html | |
255 | /* | |
1439f98e | 256 | <img src="picts/AliTOFv3.gif"> |
fe4da5cc | 257 | */ |
258 | //End_Html | |
259 | // | |
937fe4a4 | 260 | // Creates common geometry |
fe4da5cc | 261 | // |
262 | AliTOF::CreateGeometry(); | |
263 | } | |
264 | ||
265 | //_____________________________________________________________________________ | |
2cef3cb2 | 266 | void AliTOFv3::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC, |
267 | Float_t zlenB, Float_t zlenA, Float_t ztof0) | |
fe4da5cc | 268 | { |
269 | // | |
3fe3a833 | 270 | // Definition of the Time Of Fligh Resistive Plate Chambers |
937fe4a4 | 271 | // xFLT, yFLT, zFLT - sizes of TOF modules (large) |
3fe3a833 | 272 | |
937fe4a4 | 273 | Float_t ycoor, zcoor; |
b94fa26c | 274 | Float_t par[3]; |
2cef3cb2 | 275 | Int_t *idtmed = fIdtmed->GetArray()-499; |
276 | Int_t idrotm[100]; | |
277 | Int_t nrot = 0; | |
278 | Float_t hTof = fRmax-fRmin; | |
fe4da5cc | 279 | |
b94fa26c | 280 | Float_t radius = fRmin+2.;//cm |
937fe4a4 | 281 | |
2cef3cb2 | 282 | par[0] = xtof * 0.5; |
283 | par[1] = ytof * 0.5; | |
284 | par[2] = zlenC * 0.5; | |
285 | gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3); | |
286 | par[2] = zlenB * 0.5; | |
287 | gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3); | |
288 | par[2] = zlenA * 0.5; | |
289 | gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3); | |
937fe4a4 | 290 | |
291 | ||
292 | // Positioning of modules | |
293 | ||
2cef3cb2 | 294 | Float_t zcor1 = ztof0 - zlenC*0.5; |
295 | Float_t zcor2 = ztof0 - zlenC - zlenB*0.5; | |
937fe4a4 | 296 | Float_t zcor3 = 0.; |
297 | ||
2cef3cb2 | 298 | AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.); |
299 | AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.); | |
300 | gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY"); | |
301 | gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
302 | gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY"); | |
303 | gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
304 | gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY"); | |
305 | gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
937fe4a4 | 306 | |
2cef3cb2 | 307 | gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY"); |
308 | gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
309 | gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY"); | |
310 | gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
937fe4a4 | 311 | |
2cef3cb2 | 312 | gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY"); |
313 | gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY"); | |
937fe4a4 | 314 | |
2cef3cb2 | 315 | Float_t db = 0.5;//cm |
316 | Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC; | |
937fe4a4 | 317 | |
2cef3cb2 | 318 | xFLT = fStripLn; |
937fe4a4 | 319 | yFLT = ytof; |
2cef3cb2 | 320 | zFLTA = zlenA; |
321 | zFLTB = zlenB; | |
322 | zFLTC = zlenC; | |
323 | ||
324 | xFST = xFLT-fDeadBndX*2;//cm | |
937fe4a4 | 325 | |
326 | // Sizes of MRPC pads | |
327 | ||
2cef3cb2 | 328 | Float_t yPad = 0.505;//cm |
937fe4a4 | 329 | |
b94fa26c | 330 | // Large not sensitive volumes with Insensitive Freon |
2cef3cb2 | 331 | par[0] = xFLT*0.5; |
332 | par[1] = yFLT*0.5; | |
9e1a0ddb | 333 | |
68861244 | 334 | if (fDebug) cout << ClassName() << |
9e1a0ddb | 335 | cout <<": ************************* TOF geometry **************************"<<endl; |
937fe4a4 | 336 | |
2cef3cb2 | 337 | par[2] = (zFLTA *0.5); |
b94fa26c | 338 | gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon |
2cef3cb2 | 339 | gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY"); |
937fe4a4 | 340 | |
2cef3cb2 | 341 | par[2] = (zFLTB * 0.5); |
b94fa26c | 342 | gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon |
2cef3cb2 | 343 | gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY"); |
937fe4a4 | 344 | |
b94fa26c | 345 | par[2] = (zFLTC * 0.5); |
346 | gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon | |
2cef3cb2 | 347 | gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY"); |
937fe4a4 | 348 | |
b94fa26c | 349 | ////////// Layers of Aluminum before and after detector ////////// |
350 | ////////// Aluminum Box for Modules (2.0 mm thickness) ///////// | |
351 | ////////// lateral walls not simulated | |
352 | par[0] = xFLT*0.5; | |
2cef3cb2 | 353 | par[1] = 0.1;//cm |
937fe4a4 | 354 | ycoor = -yFLT/2 + par[1]; |
b94fa26c | 355 | par[2] = (zFLTA *0.5); |
356 | gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium | |
357 | gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
358 | gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY"); | |
359 | par[2] = (zFLTB *0.5); | |
360 | gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium | |
361 | gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
362 | gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY"); | |
363 | par[2] = (zFLTC *0.5); | |
364 | gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium | |
365 | gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
366 | gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY"); | |
367 | ||
3fe3a833 | 368 | ///////////////// Detector itself ////////////////////// |
937fe4a4 | 369 | |
b94fa26c | 370 | const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge |
2cef3cb2 | 371 | //and the boundary of the strip |
b94fa26c | 372 | const Int_t knx = fNpadX; // number of pads along x |
373 | const Int_t knz = fNpadZ; // number of pads along z | |
374 | const Float_t kspace = fSpace; //cm distance from the front plate of the box | |
937fe4a4 | 375 | |
2cef3cb2 | 376 | Float_t zSenStrip = fZpad*fNpadZ;//cm |
b94fa26c | 377 | Float_t stripWidth = zSenStrip + 2*kdeadBound; |
937fe4a4 | 378 | |
2cef3cb2 | 379 | par[0] = xFLT*0.5; |
380 | par[1] = yPad*0.5; | |
b94fa26c | 381 | par[2] = stripWidth*0.5; |
937fe4a4 | 382 | |
b94fa26c | 383 | // new description for strip volume |
384 | // -- all constants are expressed in cm | |
385 | // heigth of different layers | |
386 | const Float_t khhony = 1. ; // heigth of HONY Layer | |
387 | const Float_t khpcby = 0.15 ; // heigth of PCB Layer | |
388 | const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer | |
389 | const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer | |
390 | const Float_t khglasseiy = 0.32; // 2.2 Ext. Glass + 1. Semi Int. Glass (mm) | |
391 | const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture | |
392 | const Float_t kwsensmz = 2*3.5 ; // cm | |
393 | const Float_t klsensmx = 48*2.5; // cm | |
394 | const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume | |
395 | const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume | |
396 | ||
397 | // heigth of the FSTR Volume (the strip volume) | |
398 | const Float_t khstripy = 2*(khhony+khpcby+khmyly+khgraphy+khglasseiy)+khsensmy; | |
399 | // width of the FSTR Volume (the strip volume) | |
400 | const Float_t kwstripz = 10.; | |
401 | // length of the FSTR Volume (the strip volume) | |
402 | const Float_t klstripx = 122.; | |
403 | ||
404 | Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5}; | |
405 | // coordinates of the strip center in the strip reference frame; used for positioning | |
406 | // internal strip volumes | |
407 | Float_t posfp[3]={0.,0.,0.}; | |
408 | ||
409 | // FSTR volume definition and filling this volume with non sensitive Gas Mixture | |
410 | gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3); | |
411 | //-- HONY Layer definition | |
412 | // parfp[0] = -1; | |
413 | parfp[1] = khhony*0.5; | |
414 | // parfp[2] = -1; | |
415 | gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3); | |
416 | // positioning 2 HONY Layers on FSTR volume | |
417 | posfp[1]=-khstripy*0.5+parfp[1]; | |
418 | gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
419 | gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
420 | ||
421 | //-- PCB Layer definition | |
422 | parfp[1] = khpcby*0.5; | |
423 | gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3); | |
424 | // positioning 2 PCB Layers on FSTR volume | |
425 | posfp[1]=-khstripy*0.5+khhony+parfp[1]; | |
426 | gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
427 | gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
428 | ||
429 | //-- MYLAR Layer definition | |
430 | parfp[1] = khmyly*0.5; | |
431 | gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3); | |
432 | // positioning 2 MYLAR Layers on FSTR volume | |
433 | posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1]; | |
434 | gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
435 | gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
436 | ||
437 | //-- Graphite Layer definition | |
438 | parfp[1] = khgraphy*0.5; | |
439 | gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3); | |
440 | // positioning 2 Graphite Layers on FSTR volume | |
441 | posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1]; | |
442 | gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
443 | gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
444 | ||
445 | //-- Glass (EXT. +Semi INT.) Layer definition | |
446 | parfp[1] = khglasseiy*0.5; | |
447 | gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3); | |
448 | // positioning 2 Glass Layers on FSTR volume | |
449 | posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1]; | |
450 | gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
451 | gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
452 | ||
453 | //-- Sensitive Mixture Layer definition | |
454 | parfp[0] = klsensmx*0.5; | |
455 | parfp[1] = khsensmy*0.5; | |
456 | parfp[2] = kwsensmz*0.5; | |
457 | gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3); | |
458 | // positioning the sensitive gas Layer on FSTR volume | |
459 | gMC->Gspos("FSEN",0,"FSTR",0.,0.,0.,0,"ONLY"); | |
460 | ||
461 | // dividing FSEN along z in knz=2 and along x in knx=48 | |
462 | gMC->Gsdvn("FSEZ","FSEN",knz,3); | |
463 | gMC->Gsdvn("FSEX","FSEZ",knx,1); | |
464 | ||
465 | // FPAD volume definition | |
466 | parfp[0] = klpadx*0.5; | |
467 | parfp[1] = khsensmy*0.5; | |
468 | parfp[2] = kwpadz*0.5; | |
469 | gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3); | |
470 | // positioning the FPAD volumes on previous divisions | |
471 | gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY"); | |
937fe4a4 | 472 | |
937fe4a4 | 473 | //// Positioning the Strips (FSTR) in the FLT volumes ///// |
474 | ||
2cef3cb2 | 475 | // Plate A (Central) |
476 | ||
477 | Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel | |
478 | ||
b94fa26c | 479 | Float_t gap = fGapA; //cm distance between the strip axis |
937fe4a4 | 480 | Float_t zpos = 0; |
2cef3cb2 | 481 | Float_t ang = 0; |
937fe4a4 | 482 | Int_t i=1,j=1; |
2cef3cb2 | 483 | nrot = 0; |
484 | zcoor = 0; | |
b94fa26c | 485 | ycoor = -14.5 + kspace ; //2 cm over front plate |
2cef3cb2 | 486 | |
487 | AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.); | |
488 | gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY"); | |
9e1a0ddb | 489 | if(fDebug) { |
68861244 | 490 | printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i); |
2cef3cb2 | 491 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
9e1a0ddb | 492 | } |
2cef3cb2 | 493 | zcoor -= zSenStrip; |
494 | j++; | |
b94fa26c | 495 | Int_t upDown = -1; // upDown=-1 -> Upper strip |
496 | // upDown=+1 -> Lower strip | |
937fe4a4 | 497 | do{ |
b94fa26c | 498 | ang = atan(zcoor/radius); |
2cef3cb2 | 499 | ang *= kRaddeg; |
500 | AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.); | |
501 | AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.); | |
502 | ang /= kRaddeg; | |
b94fa26c | 503 | ycoor = -14.5+ kspace; //2 cm over front plate |
504 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 505 | gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY"); |
506 | gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); | |
9e1a0ddb | 507 | if(fDebug) { |
68861244 | 508 | printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i); |
9e1a0ddb | 509 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
510 | } | |
2cef3cb2 | 511 | j += 2; |
b94fa26c | 512 | upDown*= -1; // Alternate strips |
2cef3cb2 | 513 | zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 514 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 515 | (zSenStrip/2)/TMath::Cos(ang); |
b94fa26c | 516 | } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2); |
937fe4a4 | 517 | |
2cef3cb2 | 518 | zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+ |
b94fa26c | 519 | upDown*gap*TMath::Tan(ang)+ |
2cef3cb2 | 520 | (zSenStrip/2)/TMath::Cos(ang); |
521 | ||
b94fa26c | 522 | gap = fGapB; |
2cef3cb2 | 523 | zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 524 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 525 | (zSenStrip/2)/TMath::Cos(ang); |
526 | ||
b94fa26c | 527 | ang = atan(zcoor/radius); |
2cef3cb2 | 528 | ang *= kRaddeg; |
529 | AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.); | |
530 | AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.); | |
531 | ang /= kRaddeg; | |
532 | ||
b94fa26c | 533 | ycoor = -14.5+ kspace; //2 cm over front plate |
534 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 535 | gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY"); |
536 | gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); | |
68861244 | 537 | if(fDebug) { |
538 | printf("%s: %f, St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,i); | |
539 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
9e1a0ddb | 540 | } |
b94fa26c | 541 | ycoor = -hTof/2.+ kspace;//2 cm over front plate |
2cef3cb2 | 542 | |
543 | // Plate B | |
937fe4a4 | 544 | |
937fe4a4 | 545 | nrot = 0; |
546 | i=1; | |
b94fa26c | 547 | upDown = 1; |
548 | Float_t deadRegion = 1.0;//cm | |
2cef3cb2 | 549 | |
550 | zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)- | |
b94fa26c | 551 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 552 | (zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 553 | deadRegion/TMath::Cos(ang); |
2cef3cb2 | 554 | |
b94fa26c | 555 | ang = atan(zpos/radius); |
2cef3cb2 | 556 | ang *= kRaddeg; |
557 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
558 | ang /= kRaddeg; | |
b94fa26c | 559 | ycoor = -hTof*0.5+ kspace ; //2 cm over front plate |
560 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 561 | zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB |
562 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
68861244 | 563 | if(fDebug) { |
564 | printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i); | |
565 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
9e1a0ddb | 566 | } |
2cef3cb2 | 567 | i++; |
b94fa26c | 568 | upDown*=-1; |
937fe4a4 | 569 | |
570 | do { | |
2cef3cb2 | 571 | zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 572 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 573 | (zSenStrip/2)/TMath::Cos(ang); |
b94fa26c | 574 | ang = atan(zpos/radius); |
2cef3cb2 | 575 | ang *= kRaddeg; |
00e5f8d9 | 576 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); |
2cef3cb2 | 577 | ang /= kRaddeg; |
b94fa26c | 578 | ycoor = -hTof*0.5+ kspace ; //2 cm over front plate |
579 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 580 | zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB |
581 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
68861244 | 582 | if(fDebug) { |
583 | printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i); | |
9e1a0ddb | 584 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
585 | } | |
b94fa26c | 586 | upDown*=-1; |
2cef3cb2 | 587 | i++; |
588 | } while (TMath::Abs(ang*kRaddeg)<22.5); | |
589 | //till we reach a tilting angle of 22.5 degrees | |
590 | ||
b94fa26c | 591 | ycoor = -hTof*0.5+ kspace ; //2 cm over front plate |
2cef3cb2 | 592 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
593 | ||
594 | do { | |
b94fa26c | 595 | ang = atan(zpos/radius); |
2cef3cb2 | 596 | ang *= kRaddeg; |
597 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
598 | ang /= kRaddeg; | |
599 | zcoor = zpos+(zFLTB/2+zFLTA/2+db); | |
600 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
601 | zpos = zpos - zSenStrip/TMath::Cos(ang); | |
68861244 | 602 | if(fDebug) { |
603 | printf("%s: %f, St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i); | |
9e1a0ddb | 604 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
605 | } | |
2cef3cb2 | 606 | i++; |
607 | ||
b94fa26c | 608 | } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db); |
2cef3cb2 | 609 | |
610 | // Plate C | |
611 | ||
612 | zpos = zpos + zSenStrip/TMath::Cos(ang); | |
613 | ||
614 | zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+ | |
b94fa26c | 615 | gap*TMath::Tan(ang)- |
2cef3cb2 | 616 | (zSenStrip/2)/TMath::Cos(ang); |
617 | ||
937fe4a4 | 618 | nrot = 0; |
619 | i=0; | |
b94fa26c | 620 | ycoor= -hTof*0.5+kspace+gap; |
937fe4a4 | 621 | |
2cef3cb2 | 622 | do { |
937fe4a4 | 623 | i++; |
b94fa26c | 624 | ang = atan(zpos/radius); |
2cef3cb2 | 625 | ang *= kRaddeg; |
626 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
627 | ang /= kRaddeg; | |
628 | zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2); | |
629 | gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
68861244 | 630 | if(fDebug) { |
631 | printf("%s: %f, St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i); | |
9e1a0ddb | 632 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
68861244 | 633 | } |
937fe4a4 | 634 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
b94fa26c | 635 | } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t); |
2cef3cb2 | 636 | |
937fe4a4 | 637 | |
b94fa26c | 638 | ////////// Layers after strips ///////////////// |
639 | // honeycomb (Polyethilene) Layer after (1.2cm) | |
937fe4a4 | 640 | |
b94fa26c | 641 | Float_t overSpace = fOverSpc;//cm |
937fe4a4 | 642 | |
b94fa26c | 643 | par[0] = xFLT*0.5; |
937fe4a4 | 644 | par[1] = 0.6; |
b94fa26c | 645 | par[2] = (zFLTA *0.5); |
646 | ycoor = -yFLT/2 + overSpace + par[1]; | |
2cef3cb2 | 647 | gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony |
648 | gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 649 | par[2] = (zFLTB *0.5); |
2cef3cb2 | 650 | gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony |
651 | gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 652 | par[2] = (zFLTC *0.5); |
2cef3cb2 | 653 | gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony |
654 | gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 655 | |
656 | // Electronics (Cu) after | |
657 | ycoor += par[1]; | |
b94fa26c | 658 | par[0] = xFLT*0.5; |
2cef3cb2 | 659 | par[1] = 1.43*0.05*0.5; // 5% of X0 |
b94fa26c | 660 | par[2] = (zFLTA *0.5); |
937fe4a4 | 661 | ycoor += par[1]; |
2cef3cb2 | 662 | gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu |
663 | gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 664 | par[2] = (zFLTB *0.5); |
2cef3cb2 | 665 | gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu |
666 | gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 667 | par[2] = (zFLTC *0.5); |
2cef3cb2 | 668 | gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu |
669 | gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
670 | ||
671 | // cooling WAter after | |
937fe4a4 | 672 | ycoor += par[1]; |
b94fa26c | 673 | par[0] = xFLT*0.5; |
2cef3cb2 | 674 | par[1] = 36.1*0.02*0.5; // 2% of X0 |
b94fa26c | 675 | par[2] = (zFLTA *0.5); |
937fe4a4 | 676 | ycoor += par[1]; |
2cef3cb2 | 677 | gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water |
678 | gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 679 | par[2] = (zFLTB *0.5); |
2cef3cb2 | 680 | gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water |
681 | gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 682 | par[2] = (zFLTC *0.5); |
2cef3cb2 | 683 | gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water |
684 | gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
685 | ||
b94fa26c | 686 | // frame of Air |
687 | ycoor += par[1]; | |
688 | par[0] = xFLT*0.5; | |
689 | par[1] = (yFLT/2-ycoor-0.2)*0.5; // Aluminum layer considered (0.2 cm) | |
690 | par[2] = (zFLTA *0.5); | |
691 | ycoor += par[1]; | |
692 | gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air | |
693 | gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
694 | par[2] = (zFLTB *0.5); | |
695 | gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air | |
696 | gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
697 | par[2] = (zFLTC *0.5); | |
698 | gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air | |
699 | gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
700 | /* fp | |
2cef3cb2 | 701 | //Back Plate honycomb (2cm) |
3fe3a833 | 702 | par[0] = -1; |
2cef3cb2 | 703 | par[1] = 2 *0.5; |
3fe3a833 | 704 | par[2] = -1; |
937fe4a4 | 705 | ycoor = yFLT/2 - par[1]; |
2cef3cb2 | 706 | gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony |
707 | gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
708 | gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony | |
709 | gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
710 | gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony | |
711 | gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 712 | fp */ |
fe4da5cc | 713 | } |
714 | ||
715 | //_____________________________________________________________________________ | |
68861244 | 716 | void AliTOFv3::DrawModule() const |
fe4da5cc | 717 | { |
718 | // | |
937fe4a4 | 719 | // Draw a shaded view of the Time Of Flight version 1 |
fe4da5cc | 720 | // |
fe4da5cc | 721 | // Set everything unseen |
cfce8870 | 722 | gMC->Gsatt("*", "seen", -1); |
fe4da5cc | 723 | // |
724 | // Set ALIC mother transparent | |
cfce8870 | 725 | gMC->Gsatt("ALIC","SEEN",0); |
fe4da5cc | 726 | // |
727 | // Set the volumes visible | |
cfce8870 | 728 | gMC->Gsatt("ALIC","SEEN",0); |
2cef3cb2 | 729 | |
730 | gMC->Gsatt("FTOA","SEEN",1); | |
731 | gMC->Gsatt("FTOB","SEEN",1); | |
732 | gMC->Gsatt("FTOC","SEEN",1); | |
733 | gMC->Gsatt("FLTA","SEEN",1); | |
734 | gMC->Gsatt("FLTB","SEEN",1); | |
735 | gMC->Gsatt("FLTC","SEEN",1); | |
736 | gMC->Gsatt("FPLA","SEEN",1); | |
737 | gMC->Gsatt("FPLB","SEEN",1); | |
738 | gMC->Gsatt("FPLC","SEEN",1); | |
739 | gMC->Gsatt("FSTR","SEEN",1); | |
740 | gMC->Gsatt("FPEA","SEEN",1); | |
741 | gMC->Gsatt("FPEB","SEEN",1); | |
742 | gMC->Gsatt("FPEC","SEEN",1); | |
743 | ||
744 | gMC->Gsatt("FLZ1","SEEN",0); | |
745 | gMC->Gsatt("FLZ2","SEEN",0); | |
746 | gMC->Gsatt("FLZ3","SEEN",0); | |
747 | gMC->Gsatt("FLX1","SEEN",0); | |
748 | gMC->Gsatt("FLX2","SEEN",0); | |
749 | gMC->Gsatt("FLX3","SEEN",0); | |
750 | gMC->Gsatt("FPAD","SEEN",0); | |
751 | ||
cfce8870 | 752 | gMC->Gdopt("hide", "on"); |
753 | gMC->Gdopt("shad", "on"); | |
754 | gMC->Gsatt("*", "fill", 7); | |
755 | gMC->SetClipBox("."); | |
756 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
757 | gMC->DefaultRange(); | |
758 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); | |
759 | gMC->Gdhead(1111, "Time Of Flight"); | |
760 | gMC->Gdman(18, 4, "MAN"); | |
761 | gMC->Gdopt("hide","off"); | |
fe4da5cc | 762 | } |
763 | ||
764 | //_____________________________________________________________________________ | |
765 | void AliTOFv3::CreateMaterials() | |
766 | { | |
767 | // | |
768 | // Define materials for the Time Of Flight | |
769 | // | |
3fe3a833 | 770 | AliTOF::CreateMaterials(); |
fe4da5cc | 771 | } |
772 | ||
773 | //_____________________________________________________________________________ | |
774 | void AliTOFv3::Init() | |
775 | { | |
776 | // | |
777 | // Initialise the detector after the geometry has been defined | |
778 | // | |
9e1a0ddb | 779 | if(fDebug) { |
780 | printf("%s: **************************************" | |
68861244 | 781 | " TOF " |
782 | "**************************************\n",ClassName()); | |
9e1a0ddb | 783 | printf("\n%s Version 3 of TOF initialing, " |
68861244 | 784 | "TOF with holes for RICH detector\n",ClassName()); |
9e1a0ddb | 785 | } |
ab76897d | 786 | |
fe4da5cc | 787 | AliTOF::Init(); |
ab76897d | 788 | |
2cef3cb2 | 789 | fIdFTOA = gMC->VolId("FTOA"); |
790 | fIdFTOB = gMC->VolId("FTOB"); | |
791 | fIdFTOC = gMC->VolId("FTOC"); | |
792 | fIdFLTA = gMC->VolId("FLTA"); | |
793 | fIdFLTB = gMC->VolId("FLTB"); | |
794 | fIdFLTC = gMC->VolId("FLTC"); | |
ab76897d | 795 | |
9e1a0ddb | 796 | if(fDebug) { |
797 | printf("%s: **************************************" | |
68861244 | 798 | " TOF " |
799 | "**************************************\n",ClassName()); | |
800 | } | |
fe4da5cc | 801 | } |
802 | ||
803 | //_____________________________________________________________________________ | |
804 | void AliTOFv3::StepManager() | |
805 | { | |
806 | // | |
807 | // Procedure called at each step in the Time Of Flight | |
808 | // | |
0a6d8768 | 809 | TLorentzVector mom, pos; |
2cef3cb2 | 810 | Float_t xm[3],pm[3],xpad[3],ppad[3]; |
811 | Float_t hits[13],phi,phid,z; | |
812 | Int_t vol[5]; | |
b94fa26c | 813 | Int_t sector, plate, padx, padz, strip; |
814 | Int_t copy, padzid, padxid, stripid, i; | |
2cef3cb2 | 815 | Int_t *idtmed = fIdtmed->GetArray()-499; |
b94fa26c | 816 | Float_t incidenceAngle; |
826b71ec | 817 | |
818 | if(gMC->GetMedium()==idtmed[513] && | |
0a6d8768 | 819 | gMC->IsTrackEntering() && gMC->TrackCharge() |
826b71ec | 820 | && gMC->CurrentVolID(copy)==fIdSens) |
2cef3cb2 | 821 | { |
822 | // getting information about hit volumes | |
826b71ec | 823 | |
b94fa26c | 824 | padzid=gMC->CurrentVolOffID(2,copy); |
825 | padz=copy; | |
826b71ec | 826 | |
b94fa26c | 827 | padxid=gMC->CurrentVolOffID(1,copy); |
828 | padx=copy; | |
826b71ec | 829 | |
b94fa26c | 830 | stripid=gMC->CurrentVolOffID(4,copy); |
826b71ec | 831 | strip=copy; |
832 | ||
0a6d8768 | 833 | gMC->TrackPosition(pos); |
834 | gMC->TrackMomentum(mom); | |
826b71ec | 835 | |
2cef3cb2 | 836 | // Double_t NormPos=1./pos.Rho(); |
b94fa26c | 837 | Double_t normMom=1./mom.Rho(); |
2cef3cb2 | 838 | |
839 | // getting the cohordinates in pad ref system | |
840 | xm[0] = (Float_t)pos.X(); | |
841 | xm[1] = (Float_t)pos.Y(); | |
842 | xm[2] = (Float_t)pos.Z(); | |
843 | ||
b94fa26c | 844 | pm[0] = (Float_t)mom.X()*normMom; |
845 | pm[1] = (Float_t)mom.Y()*normMom; | |
846 | pm[2] = (Float_t)mom.Z()*normMom; | |
2cef3cb2 | 847 | |
848 | gMC->Gmtod(xm,xpad,1); | |
849 | gMC->Gmtod(pm,ppad,2); | |
850 | ||
b94fa26c | 851 | incidenceAngle = TMath::ACos(ppad[1])*kRaddeg; |
826b71ec | 852 | |
853 | z = pos[2]; | |
2cef3cb2 | 854 | |
855 | plate = 0; | |
856 | if (TMath::Abs(z) <= fZlenA*0.5) plate = 3; | |
857 | if (z < (fZlenA*0.5+fZlenB) && | |
858 | z > fZlenA*0.5) plate = 4; | |
859 | if (z >-(fZlenA*0.5+fZlenB) && | |
860 | z < -fZlenA*0.5) plate = 2; | |
861 | if (z > (fZlenA*0.5+fZlenB)) plate = 5; | |
862 | if (z <-(fZlenA*0.5+fZlenB)) plate = 1; | |
863 | ||
864 | phi = pos.Phi(); | |
865 | phid = phi*kRaddeg+180.; | |
826b71ec | 866 | sector = Int_t (phid/20.); |
867 | sector++; | |
868 | ||
0a6d8768 | 869 | for(i=0;i<3;++i) { |
2cef3cb2 | 870 | hits[i] = pos[i]; |
871 | hits[i+3] = pm[i]; | |
0a6d8768 | 872 | } |
2cef3cb2 | 873 | |
874 | hits[6] = mom.Rho(); | |
875 | hits[7] = pos[3]; | |
876 | hits[8] = xpad[0]; | |
877 | hits[9] = xpad[1]; | |
878 | hits[10]= xpad[2]; | |
b94fa26c | 879 | hits[11]= incidenceAngle; |
2cef3cb2 | 880 | hits[12]= gMC->Edep(); |
881 | ||
882 | vol[0]= sector; | |
883 | vol[1]= plate; | |
884 | vol[2]= strip; | |
b94fa26c | 885 | vol[3]= padx; |
886 | vol[4]= padz; | |
2cef3cb2 | 887 | |
888 | AddHit(gAlice->CurrentTrack(),vol, hits); | |
fe4da5cc | 889 | } |
890 | } |