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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 | $Log$ | |
9e1a0ddb | 18 | Revision 1.20 2001/05/04 10:09:48 vicinanz |
19 | Major upgrades to the strip structure | |
20 | ||
b94fa26c | 21 | Revision 1.19 2000/12/04 08:48:20 alibrary |
22 | Fixing problems in the HEAD | |
23 | ||
0cc62300 | 24 | Revision 1.18 2000/10/02 21:28:17 fca |
25 | Removal of useless dependecies via forward declarations | |
26 | ||
94de3818 | 27 | Revision 1.17 2000/06/06 07:52:09 vicinanz |
28 | NodeName array dimension enlarged | |
29 | ||
e6c3866d | 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 | ||
2cef3cb2 | 39 | Revision 1.13 1999/11/02 11:26:39 fca |
40 | added stdlib.h for exit | |
41 | ||
42 | Revision 1.12 1999/11/01 20:41:57 fca | |
826b71ec | 43 | Added protections against using the wrong version of FRAME |
44 | ||
2cef3cb2 | 45 | Revision 1.11 1999/10/22 08:04:14 fca |
ab76897d | 46 | Correct improper use of negative parameters |
47 | ||
2cef3cb2 | 48 | Revision 1.10 1999/10/16 19:30:06 fca |
d0a635a0 | 49 | Corrected Rotation Matrix and CVS log |
50 | ||
2cef3cb2 | 51 | Revision 1.9 1999/10/15 15:35:20 fca |
00e5f8d9 | 52 | New version for frame1099 with and without holes |
53 | ||
2cef3cb2 | 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 | // // | |
2cef3cb2 | 61 | // Time Of Flight: design of C.Williams |
62 | // | |
fe4da5cc | 63 | // This class contains the functions for version 1 of the Time Of Flight // |
64 | // detector. // | |
937fe4a4 | 65 | // |
66 | // VERSION WITH 5 MODULES AND TILTED STRIPS | |
67 | // | |
2cef3cb2 | 68 | // HOLES FOR PHOS DETECTOR |
937fe4a4 | 69 | // |
70 | // Authors: | |
2cef3cb2 | 71 | // |
937fe4a4 | 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/AliTOFv1Class.gif"> |
fe4da5cc | 84 | */ |
85 | //End_Html | |
86 | // // | |
87 | /////////////////////////////////////////////////////////////////////////////// | |
88 | ||
826b71ec | 89 | #include <iostream.h> |
ab76897d | 90 | #include <stdlib.h> |
91 | ||
fe4da5cc | 92 | #include "AliTOFv1.h" |
2cef3cb2 | 93 | #include "TBRIK.h" |
94de3818 | 94 | #include "TGeometry.h" |
2cef3cb2 | 95 | #include "TNode.h" |
96 | #include "TObject.h" | |
0cc62300 | 97 | #include <TLorentzVector.h> |
fe4da5cc | 98 | #include "AliRun.h" |
94de3818 | 99 | #include "AliMC.h" |
100 | #include "AliMagF.h" | |
fe4da5cc | 101 | #include "AliConst.h" |
2cef3cb2 | 102 | |
fe4da5cc | 103 | |
104 | ClassImp(AliTOFv1) | |
105 | ||
106 | //_____________________________________________________________________________ | |
151e057e | 107 | AliTOFv1::AliTOFv1() |
fe4da5cc | 108 | { |
109 | // | |
110 | // Default constructor | |
111 | // | |
112 | } | |
113 | ||
114 | //_____________________________________________________________________________ | |
115 | AliTOFv1::AliTOFv1(const char *name, const char *title) | |
2cef3cb2 | 116 | : AliTOF(name,title) |
fe4da5cc | 117 | { |
118 | // | |
3fe3a833 | 119 | // Standard constructor |
fe4da5cc | 120 | // |
da39da0c | 121 | // |
122 | // Check that FRAME is there otherwise we have no place where to | |
123 | // put TOF | |
b94fa26c | 124 | AliModule* frame=gAlice->GetModule("FRAME"); |
125 | if(!frame) { | |
da39da0c | 126 | Error("Ctor","TOF needs FRAME to be present\n"); |
127 | exit(1); | |
2cef3cb2 | 128 | } else |
b94fa26c | 129 | if(frame->IsVersion()!=1) { |
2cef3cb2 | 130 | Error("Ctor","FRAME version 1 needed with this version of TOF\n"); |
da39da0c | 131 | exit(1); |
132 | } | |
133 | ||
2cef3cb2 | 134 | |
135 | ||
b94fa26c | 136 | } |
137 | ||
138 | //____________________________________________________________________________ | |
139 | AliTOFv1::~AliTOFv1() | |
140 | { | |
141 | // destructor | |
142 | ||
143 | if ( fHits) { | |
144 | fHits->Delete() ; | |
145 | delete fHits ; | |
146 | fHits = 0 ; | |
147 | } | |
148 | /* | |
149 | if ( fSDigits) { | |
150 | fSDigits->Delete() ; | |
151 | delete fSDigits ; | |
152 | fSDigits = 0 ; | |
153 | } | |
154 | */ | |
155 | if ( fDigits) { | |
156 | fDigits->Delete() ; | |
157 | delete fDigits ; | |
158 | fDigits = 0 ; | |
159 | } | |
160 | ||
2cef3cb2 | 161 | } |
162 | ||
163 | //_____________________________________________________________________________ | |
164 | void AliTOFv1::BuildGeometry() | |
165 | { | |
166 | // | |
167 | // Build TOF ROOT geometry for the ALICE event display | |
168 | // | |
b94fa26c | 169 | TNode *node, *top; |
2cef3cb2 | 170 | const int kColorTOF = 27; |
171 | ||
172 | // Find top TNODE | |
b94fa26c | 173 | top = gAlice->GetGeometry()->GetNode("alice"); |
2cef3cb2 | 174 | |
175 | // Position the different copies | |
b94fa26c | 176 | const Float_t krTof =(fRmax+fRmin)/2; |
177 | const Float_t khTof = fRmax-fRmin; | |
178 | const Int_t kNTof = fNTof; | |
2cef3cb2 | 179 | const Float_t kPi = TMath::Pi(); |
b94fa26c | 180 | const Float_t kangle = 2*kPi/kNTof; |
2cef3cb2 | 181 | Float_t ang; |
182 | ||
183 | // Define TOF basic volume | |
184 | ||
b94fa26c | 185 | char nodeName0[7], nodeName1[7], nodeName2[7]; |
186 | char nodeName3[7], nodeName4[7], rotMatNum[7]; | |
2cef3cb2 | 187 | |
188 | new TBRIK("S_TOF_C","TOF box","void", | |
b94fa26c | 189 | 120*0.5,khTof*0.5,fZlenC*0.5); |
2cef3cb2 | 190 | new TBRIK("S_TOF_B","TOF box","void", |
b94fa26c | 191 | 120*0.5,khTof*0.5,fZlenB*0.5); |
2cef3cb2 | 192 | new TBRIK("S_TOF_A","TOF box","void", |
b94fa26c | 193 | 120*0.5,khTof*0.5,fZlenA*0.5); |
2cef3cb2 | 194 | |
b94fa26c | 195 | for (Int_t nodeNum=1;nodeNum<19;nodeNum++){ |
2cef3cb2 | 196 | |
b94fa26c | 197 | if (nodeNum<10) { |
198 | sprintf(rotMatNum,"rot50%i",nodeNum); | |
199 | sprintf(nodeName0,"FTO00%i",nodeNum); | |
200 | sprintf(nodeName1,"FTO10%i",nodeNum); | |
201 | sprintf(nodeName2,"FTO20%i",nodeNum); | |
202 | sprintf(nodeName3,"FTO30%i",nodeNum); | |
203 | sprintf(nodeName4,"FTO40%i",nodeNum); | |
2cef3cb2 | 204 | } |
b94fa26c | 205 | if (nodeNum>9) { |
206 | sprintf(rotMatNum,"rot5%i",nodeNum); | |
207 | sprintf(nodeName0,"FTO0%i",nodeNum); | |
208 | sprintf(nodeName1,"FTO1%i",nodeNum); | |
209 | sprintf(nodeName2,"FTO2%i",nodeNum); | |
210 | sprintf(nodeName3,"FTO3%i",nodeNum); | |
211 | sprintf(nodeName4,"FTO4%i",nodeNum); | |
2cef3cb2 | 212 | } |
213 | ||
b94fa26c | 214 | new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0); |
215 | ang = (4.5-nodeNum) * kangle; | |
216 | ||
217 | top->cd(); | |
218 | node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum); | |
219 | node->SetLineColor(kColorTOF); | |
220 | fNodes->Add(node); | |
221 | ||
222 | top->cd(); | |
223 | node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum); | |
224 | node->SetLineColor(kColorTOF); | |
225 | fNodes->Add(node); | |
226 | ||
227 | top->cd(); | |
228 | node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum); | |
229 | node->SetLineColor(kColorTOF); | |
230 | fNodes->Add(node); | |
231 | ||
232 | top->cd(); | |
233 | node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum); | |
234 | node->SetLineColor(kColorTOF); | |
235 | fNodes->Add(node); | |
236 | ||
237 | if (nodeNum<8 || nodeNum>12) { | |
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 | } // Modules A which are not to be installed for PHOS holes. |
b94fa26c | 243 | } // end loop on nodeNum |
2cef3cb2 | 244 | |
b94fa26c | 245 | } |
fe4da5cc | 246 | |
247 | //_____________________________________________________________________________ | |
248 | void AliTOFv1::CreateGeometry() | |
249 | { | |
250 | // | |
3fe3a833 | 251 | // Create geometry for Time Of Flight version 0 |
252 | // | |
fe4da5cc | 253 | //Begin_Html |
254 | /* | |
1439f98e | 255 | <img src="picts/AliTOFv1.gif"> |
fe4da5cc | 256 | */ |
257 | //End_Html | |
258 | // | |
937fe4a4 | 259 | // Creates common geometry |
fe4da5cc | 260 | // |
3fe3a833 | 261 | AliTOF::CreateGeometry(); |
262 | } | |
263 | ||
264 | //_____________________________________________________________________________ | |
2cef3cb2 | 265 | void AliTOFv1::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC, |
266 | Float_t zlenB, Float_t zlenA, Float_t ztof0) | |
3fe3a833 | 267 | { |
fe4da5cc | 268 | // |
3fe3a833 | 269 | // Definition of the Time Of Fligh Resistive Plate Chambers |
937fe4a4 | 270 | // xFLT, yFLT, zFLT - sizes of TOF modules (large) |
3fe3a833 | 271 | |
2cef3cb2 | 272 | Float_t ycoor, zcoor; |
b94fa26c | 273 | Float_t par[3]; |
2cef3cb2 | 274 | Int_t *idtmed = fIdtmed->GetArray()-499; |
275 | Int_t idrotm[100]; | |
276 | Int_t nrot = 0; | |
277 | Float_t hTof = fRmax-fRmin; | |
3fe3a833 | 278 | |
b94fa26c | 279 | Float_t radius = fRmin+2.;//cm |
937fe4a4 | 280 | |
2cef3cb2 | 281 | par[0] = xtof * 0.5; |
282 | par[1] = ytof * 0.5; | |
283 | par[2] = zlenC * 0.5; | |
284 | gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3); | |
285 | par[2] = zlenB * 0.5; | |
286 | gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3); | |
287 | par[2] = zlenA * 0.5; | |
288 | gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3); | |
937fe4a4 | 289 | |
290 | ||
291 | // Positioning of modules | |
292 | ||
2cef3cb2 | 293 | Float_t zcor1 = ztof0 - zlenC*0.5; |
294 | Float_t zcor2 = ztof0 - zlenC - zlenB*0.5; | |
937fe4a4 | 295 | Float_t zcor3 = 0.; |
296 | ||
2cef3cb2 | 297 | AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.); |
298 | AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.); | |
299 | gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY"); | |
300 | gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
301 | gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY"); | |
302 | gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
303 | gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY"); | |
304 | gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
305 | ||
306 | gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY"); | |
307 | gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
308 | gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY"); | |
309 | gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
310 | gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY"); | |
311 | gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
312 | ||
313 | gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY"); | |
314 | gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY"); | |
315 | ||
316 | Float_t db = 0.5;//cm | |
317 | Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC; | |
318 | ||
319 | xFLT = fStripLn; | |
320 | yFLT = ytof; | |
321 | zFLTA = zlenA; | |
322 | zFLTB = zlenB; | |
323 | zFLTC = zlenC; | |
937fe4a4 | 324 | |
2cef3cb2 | 325 | xFST = xFLT-fDeadBndX*2;//cm |
937fe4a4 | 326 | |
937fe4a4 | 327 | // Sizes of MRPC pads |
328 | ||
2cef3cb2 | 329 | Float_t yPad = 0.505;//cm |
3fe3a833 | 330 | |
b94fa26c | 331 | // Large not sensitive volumes with Insensitive Freon |
2cef3cb2 | 332 | par[0] = xFLT*0.5; |
333 | par[1] = yFLT*0.5; | |
9e1a0ddb | 334 | |
335 | if(fDebug) cout << ClassName() | |
336 | << ": ************************* TOF geometry **************************" | |
337 | <<endl; | |
338 | ||
2cef3cb2 | 339 | par[2] = (zFLTA *0.5); |
b94fa26c | 340 | gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon |
2cef3cb2 | 341 | gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY"); |
b94fa26c | 342 | |
2cef3cb2 | 343 | par[2] = (zFLTB * 0.5); |
b94fa26c | 344 | gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon |
2cef3cb2 | 345 | gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY"); |
b94fa26c | 346 | |
347 | par[2] = (zFLTC * 0.5); | |
348 | gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon | |
2cef3cb2 | 349 | gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY"); |
b94fa26c | 350 | |
351 | ////////// Layers of Aluminum before and after detector ////////// | |
352 | ////////// Aluminum Box for Modules (2.0 mm thickness) ///////// | |
353 | ////////// lateral walls not simulated | |
354 | par[0] = xFLT*0.5; | |
2cef3cb2 | 355 | par[1] = 0.1;//cm |
937fe4a4 | 356 | ycoor = -yFLT/2 + par[1]; |
b94fa26c | 357 | par[2] = (zFLTA *0.5); |
358 | gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium | |
359 | gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
360 | gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY"); | |
361 | par[2] = (zFLTB *0.5); | |
362 | gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium | |
363 | gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
364 | gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY"); | |
365 | par[2] = (zFLTC *0.5); | |
366 | gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium | |
367 | gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
368 | gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY"); | |
369 | ||
3fe3a833 | 370 | ///////////////// Detector itself ////////////////////// |
937fe4a4 | 371 | |
b94fa26c | 372 | const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge |
2cef3cb2 | 373 | //and the boundary of the strip |
b94fa26c | 374 | const Int_t knx = fNpadX; // number of pads along x |
375 | const Int_t knz = fNpadZ; // number of pads along z | |
376 | const Float_t kspace = fSpace; //cm distance from the front plate of the box | |
937fe4a4 | 377 | |
2cef3cb2 | 378 | Float_t zSenStrip = fZpad*fNpadZ;//cm |
b94fa26c | 379 | Float_t stripWidth = zSenStrip + 2*kdeadBound; |
937fe4a4 | 380 | |
2cef3cb2 | 381 | par[0] = xFLT*0.5; |
382 | par[1] = yPad*0.5; | |
b94fa26c | 383 | par[2] = stripWidth*0.5; |
937fe4a4 | 384 | |
b94fa26c | 385 | // new description for strip volume |
386 | // -- all constants are expressed in cm | |
387 | // heigth of different layers | |
388 | const Float_t khhony = 1. ; // heigth of HONY Layer | |
389 | const Float_t khpcby = 0.15 ; // heigth of PCB Layer | |
390 | const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer | |
391 | const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer | |
392 | const Float_t khglasseiy = 0.32; // 2.2 Ext. Glass + 1. Semi Int. Glass (mm) | |
393 | const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture | |
394 | const Float_t kwsensmz = 2*3.5 ; // cm | |
395 | const Float_t klsensmx = 48*2.5; // cm | |
396 | const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume | |
397 | const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume | |
398 | ||
399 | // heigth of the FSTR Volume (the strip volume) | |
400 | const Float_t khstripy = 2*(khhony+khpcby+khmyly+khgraphy+khglasseiy)+khsensmy; | |
401 | // width of the FSTR Volume (the strip volume) | |
402 | const Float_t kwstripz = 10.; | |
403 | // length of the FSTR Volume (the strip volume) | |
404 | const Float_t klstripx = 122.; | |
405 | ||
406 | Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5}; | |
407 | // coordinates of the strip center in the strip reference frame; used for positioning | |
408 | // internal strip volumes | |
409 | Float_t posfp[3]={0.,0.,0.}; | |
410 | ||
411 | // FSTR volume definition and filling this volume with non sensitive Gas Mixture | |
412 | gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3); | |
413 | //-- HONY Layer definition | |
414 | // parfp[0] = -1; | |
415 | parfp[1] = khhony*0.5; | |
416 | // parfp[2] = -1; | |
417 | gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3); | |
418 | // positioning 2 HONY Layers on FSTR volume | |
419 | posfp[1]=-khstripy*0.5+parfp[1]; | |
420 | gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
421 | gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
422 | ||
423 | //-- PCB Layer definition | |
424 | parfp[1] = khpcby*0.5; | |
425 | gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3); | |
426 | // positioning 2 PCB Layers on FSTR volume | |
427 | posfp[1]=-khstripy*0.5+khhony+parfp[1]; | |
428 | gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
429 | gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
430 | ||
431 | //-- MYLAR Layer definition | |
432 | parfp[1] = khmyly*0.5; | |
433 | gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3); | |
434 | // positioning 2 MYLAR Layers on FSTR volume | |
435 | posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1]; | |
436 | gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
437 | gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
438 | ||
439 | //-- Graphite Layer definition | |
440 | parfp[1] = khgraphy*0.5; | |
441 | gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3); | |
442 | // positioning 2 Graphite Layers on FSTR volume | |
443 | posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1]; | |
444 | gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
445 | gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
446 | ||
447 | //-- Glass (EXT. +Semi INT.) Layer definition | |
448 | parfp[1] = khglasseiy*0.5; | |
449 | gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3); | |
450 | // positioning 2 Glass Layers on FSTR volume | |
451 | posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1]; | |
452 | gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
453 | gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
454 | ||
455 | //-- Sensitive Mixture Layer definition | |
456 | parfp[0] = klsensmx*0.5; | |
457 | parfp[1] = khsensmy*0.5; | |
458 | parfp[2] = kwsensmz*0.5; | |
459 | gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3); | |
460 | // positioning the sensitive gas Layer on FSTR volume | |
461 | gMC->Gspos("FSEN",0,"FSTR",0.,0.,0.,0,"ONLY"); | |
462 | ||
463 | // dividing FSEN along z in knz=2 and along x in knx=48 | |
464 | gMC->Gsdvn("FSEZ","FSEN",knz,3); | |
465 | gMC->Gsdvn("FSEX","FSEZ",knx,1); | |
466 | ||
467 | // FPAD volume definition | |
468 | parfp[0] = klpadx*0.5; | |
469 | parfp[1] = khsensmy*0.5; | |
470 | parfp[2] = kwpadz*0.5; | |
471 | gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3); | |
472 | // positioning the FPAD volumes on previous divisions | |
473 | gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY"); | |
937fe4a4 | 474 | |
937fe4a4 | 475 | //// Positioning the Strips (FSTR) in the FLT volumes ///// |
476 | ||
2cef3cb2 | 477 | // Plate A (Central) |
478 | ||
479 | Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel | |
480 | ||
b94fa26c | 481 | Float_t gap = fGapA; //cm distance between the strip axis |
937fe4a4 | 482 | Float_t zpos = 0; |
2cef3cb2 | 483 | Float_t ang = 0; |
937fe4a4 | 484 | Int_t i=1,j=1; |
2cef3cb2 | 485 | nrot = 0; |
486 | zcoor = 0; | |
b94fa26c | 487 | ycoor = -14.5 + kspace ; //2 cm over front plate |
2cef3cb2 | 488 | |
489 | AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.); | |
490 | gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY"); | |
491 | ||
492 | printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i); | |
493 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
494 | ||
495 | zcoor -= zSenStrip; | |
496 | j++; | |
b94fa26c | 497 | Int_t upDown = -1; // upDown=-1 -> Upper strip |
498 | // upDown=+1 -> Lower strip | |
937fe4a4 | 499 | do{ |
b94fa26c | 500 | ang = atan(zcoor/radius); |
2cef3cb2 | 501 | ang *= kRaddeg; |
00e5f8d9 | 502 | AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.); |
2cef3cb2 | 503 | AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.); |
504 | ang /= kRaddeg; | |
b94fa26c | 505 | ycoor = -14.5+ kspace; //2 cm over front plate |
506 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 507 | gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY"); |
508 | gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); | |
509 | ||
510 | printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i); | |
511 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
512 | ||
513 | j += 2; | |
b94fa26c | 514 | upDown*= -1; // Alternate strips |
2cef3cb2 | 515 | zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 516 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 517 | (zSenStrip/2)/TMath::Cos(ang); |
b94fa26c | 518 | } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2); |
937fe4a4 | 519 | |
2cef3cb2 | 520 | zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+ |
b94fa26c | 521 | upDown*gap*TMath::Tan(ang)+ |
2cef3cb2 | 522 | (zSenStrip/2)/TMath::Cos(ang); |
523 | ||
b94fa26c | 524 | gap = fGapB; |
2cef3cb2 | 525 | zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 526 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 527 | (zSenStrip/2)/TMath::Cos(ang); |
528 | ||
b94fa26c | 529 | ang = atan(zcoor/radius); |
2cef3cb2 | 530 | ang *= kRaddeg; |
531 | AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.); | |
532 | AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.); | |
533 | ang /= kRaddeg; | |
534 | ||
b94fa26c | 535 | ycoor = -14.5+ kspace; //2 cm over front plate |
536 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 537 | gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY"); |
538 | gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); | |
539 | ||
540 | printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i); | |
541 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
542 | ||
b94fa26c | 543 | ycoor = -hTof/2.+ kspace;//2 cm over front plate |
2cef3cb2 | 544 | |
545 | // Plate B | |
937fe4a4 | 546 | |
937fe4a4 | 547 | nrot = 0; |
548 | i=1; | |
b94fa26c | 549 | upDown = 1; |
550 | Float_t deadRegion = 1.0;//cm | |
2cef3cb2 | 551 | |
552 | zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)- | |
b94fa26c | 553 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 554 | (zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 555 | deadRegion/TMath::Cos(ang); |
2cef3cb2 | 556 | |
b94fa26c | 557 | ang = atan(zpos/radius); |
2cef3cb2 | 558 | ang *= kRaddeg; |
559 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
560 | ang /= kRaddeg; | |
b94fa26c | 561 | ycoor = -hTof*0.5+ kspace ; //2 cm over front plate |
562 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 563 | zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB |
564 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
565 | ||
566 | printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i); | |
567 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
568 | ||
569 | i++; | |
b94fa26c | 570 | upDown*=-1; |
937fe4a4 | 571 | |
572 | do { | |
2cef3cb2 | 573 | zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 574 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 575 | (zSenStrip/2)/TMath::Cos(ang); |
b94fa26c | 576 | ang = atan(zpos/radius); |
2cef3cb2 | 577 | ang *= kRaddeg; |
00e5f8d9 | 578 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); |
2cef3cb2 | 579 | ang /= kRaddeg; |
b94fa26c | 580 | ycoor = -hTof*0.5+ kspace ; //2 cm over front plate |
581 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 582 | zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB |
583 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
584 | ||
585 | printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i); | |
586 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
587 | ||
b94fa26c | 588 | upDown*=-1; |
2cef3cb2 | 589 | i++; |
590 | } while (TMath::Abs(ang*kRaddeg)<22.5); | |
591 | //till we reach a tilting angle of 22.5 degrees | |
592 | ||
b94fa26c | 593 | ycoor = -hTof*0.5+ kspace ; //2 cm over front plate |
2cef3cb2 | 594 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
595 | ||
596 | do { | |
b94fa26c | 597 | ang = atan(zpos/radius); |
2cef3cb2 | 598 | ang *= kRaddeg; |
599 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
600 | ang /= kRaddeg; | |
601 | zcoor = zpos+(zFLTB/2+zFLTA/2+db); | |
602 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
603 | zpos = zpos - zSenStrip/TMath::Cos(ang); | |
604 | printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i); | |
605 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
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"); | |
630 | ||
631 | printf("%f, St. %2i, Pl.5 ",ang*kRaddeg,i); | |
632 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
937fe4a4 | 633 | |
937fe4a4 | 634 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
b94fa26c | 635 | } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t); |
937fe4a4 | 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 | } |
3fe3a833 | 714 | |
fe4da5cc | 715 | //_____________________________________________________________________________ |
8f72dc0c | 716 | void AliTOFv1::DrawModule() |
fe4da5cc | 717 | { |
718 | // | |
719 | // Draw a shaded view of the Time Of Flight version 1 | |
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 | |
3fe3a833 | 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 | ||
3fe3a833 | 764 | //_____________________________________________________________________________ |
fe4da5cc | 765 | void AliTOFv1::CreateMaterials() |
766 | { | |
767 | // | |
3fe3a833 | 768 | // Define materials for the Time Of Flight |
fe4da5cc | 769 | // |
770 | AliTOF::CreateMaterials(); | |
771 | } | |
772 | ||
3fe3a833 | 773 | //_____________________________________________________________________________ |
fe4da5cc | 774 | void AliTOFv1::Init() |
775 | { | |
776 | // | |
3fe3a833 | 777 | // Initialise the detector after the geometry has been defined |
778 | // | |
ab76897d | 779 | printf("**************************************" |
780 | " TOF " | |
781 | "**************************************\n"); | |
2cef3cb2 | 782 | printf("\n Version 1 of TOF initialing, " |
783 | "TOF with holes for PHOS detector\n"); | |
ab76897d | 784 | |
fe4da5cc | 785 | AliTOF::Init(); |
ab76897d | 786 | |
2cef3cb2 | 787 | fIdFTOA = gMC->VolId("FTOA"); |
788 | fIdFTOB = gMC->VolId("FTOB"); | |
789 | fIdFTOC = gMC->VolId("FTOC"); | |
790 | fIdFLTA = gMC->VolId("FLTA"); | |
791 | fIdFLTB = gMC->VolId("FLTB"); | |
792 | fIdFLTC = gMC->VolId("FLTC"); | |
ab76897d | 793 | |
794 | printf("**************************************" | |
795 | " TOF " | |
796 | "**************************************\n"); | |
fe4da5cc | 797 | } |
798 | ||
3fe3a833 | 799 | //_____________________________________________________________________________ |
fe4da5cc | 800 | void AliTOFv1::StepManager() |
801 | { | |
3fe3a833 | 802 | // |
803 | // Procedure called at each step in the Time Of Flight | |
804 | // | |
0a6d8768 | 805 | TLorentzVector mom, pos; |
2cef3cb2 | 806 | Float_t xm[3],pm[3],xpad[3],ppad[3]; |
807 | Float_t hits[13],phi,phid,z; | |
808 | Int_t vol[5]; | |
b94fa26c | 809 | Int_t sector, plate, padx, padz, strip; |
810 | Int_t copy, padzid, padxid, stripid, i; | |
2cef3cb2 | 811 | Int_t *idtmed = fIdtmed->GetArray()-499; |
b94fa26c | 812 | Float_t incidenceAngle; |
826b71ec | 813 | |
814 | if(gMC->GetMedium()==idtmed[513] && | |
0a6d8768 | 815 | gMC->IsTrackEntering() && gMC->TrackCharge() |
826b71ec | 816 | && gMC->CurrentVolID(copy)==fIdSens) |
2cef3cb2 | 817 | { |
818 | // getting information about hit volumes | |
826b71ec | 819 | |
b94fa26c | 820 | padzid=gMC->CurrentVolOffID(2,copy); |
821 | padz=copy; | |
826b71ec | 822 | |
b94fa26c | 823 | padxid=gMC->CurrentVolOffID(1,copy); |
824 | padx=copy; | |
826b71ec | 825 | |
b94fa26c | 826 | stripid=gMC->CurrentVolOffID(4,copy); |
826b71ec | 827 | strip=copy; |
828 | ||
0a6d8768 | 829 | gMC->TrackPosition(pos); |
830 | gMC->TrackMomentum(mom); | |
826b71ec | 831 | |
2cef3cb2 | 832 | // Double_t NormPos=1./pos.Rho(); |
b94fa26c | 833 | Double_t normMom=1./mom.Rho(); |
2cef3cb2 | 834 | |
835 | // getting the cohordinates in pad ref system | |
836 | xm[0] = (Float_t)pos.X(); | |
837 | xm[1] = (Float_t)pos.Y(); | |
838 | xm[2] = (Float_t)pos.Z(); | |
839 | ||
b94fa26c | 840 | pm[0] = (Float_t)mom.X()*normMom; |
841 | pm[1] = (Float_t)mom.Y()*normMom; | |
842 | pm[2] = (Float_t)mom.Z()*normMom; | |
2cef3cb2 | 843 | |
844 | gMC->Gmtod(xm,xpad,1); | |
845 | gMC->Gmtod(pm,ppad,2); | |
846 | ||
b94fa26c | 847 | incidenceAngle = TMath::ACos(ppad[1])*kRaddeg; |
826b71ec | 848 | |
849 | z = pos[2]; | |
2cef3cb2 | 850 | |
851 | plate = 0; | |
852 | if (TMath::Abs(z) <= fZlenA*0.5) plate = 3; | |
853 | if (z < (fZlenA*0.5+fZlenB) && | |
854 | z > fZlenA*0.5) plate = 4; | |
855 | if (z >-(fZlenA*0.5+fZlenB) && | |
856 | z < -fZlenA*0.5) plate = 2; | |
857 | if (z > (fZlenA*0.5+fZlenB)) plate = 5; | |
858 | if (z <-(fZlenA*0.5+fZlenB)) plate = 1; | |
859 | ||
860 | phi = pos.Phi(); | |
861 | phid = phi*kRaddeg+180.; | |
826b71ec | 862 | sector = Int_t (phid/20.); |
863 | sector++; | |
864 | ||
0a6d8768 | 865 | for(i=0;i<3;++i) { |
2cef3cb2 | 866 | hits[i] = pos[i]; |
867 | hits[i+3] = pm[i]; | |
0a6d8768 | 868 | } |
2cef3cb2 | 869 | |
870 | hits[6] = mom.Rho(); | |
871 | hits[7] = pos[3]; | |
872 | hits[8] = xpad[0]; | |
873 | hits[9] = xpad[1]; | |
874 | hits[10]= xpad[2]; | |
b94fa26c | 875 | hits[11]= incidenceAngle; |
2cef3cb2 | 876 | hits[12]= gMC->Edep(); |
877 | ||
878 | vol[0]= sector; | |
879 | vol[1]= plate; | |
880 | vol[2]= strip; | |
b94fa26c | 881 | vol[3]= padx; |
882 | vol[4]= padz; | |
2cef3cb2 | 883 | |
884 | AddHit(gAlice->CurrentTrack(),vol, hits); | |
fe4da5cc | 885 | } |
886 | } | |
3fe3a833 | 887 |