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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 | $Log$ | |
b94fa26c | 18 | Revision 1.18 2000/12/04 08:48:20 alibrary |
19 | Fixing problems in the HEAD | |
20 | ||
0cc62300 | 21 | Revision 1.17 2000/10/02 21:28:17 fca |
22 | Removal of useless dependecies via forward declarations | |
23 | ||
94de3818 | 24 | Revision 1.16 2000/05/10 16:52:18 vicinanz |
25 | New TOF version with holes for PHOS/RICH | |
26 | ||
2cef3cb2 | 27 | Revision 1.14.2.1 2000/05/10 09:37:16 vicinanz |
28 | New version with Holes for PHOS/RICH | |
29 | ||
da39da0c | 30 | Revision 1.14 1999/11/05 22:39:06 fca |
31 | New hits structure | |
32 | ||
2cef3cb2 | 33 | Revision 1.13 1999/11/02 11:26:39 fca |
34 | added stdlib.h for exit | |
35 | ||
36 | Revision 1.12 1999/11/01 20:41:57 fca | |
826b71ec | 37 | Added protections against using the wrong version of FRAME |
38 | ||
2cef3cb2 | 39 | Revision 1.11 1999/10/22 08:04:14 fca |
ab76897d | 40 | Correct improper use of negative parameters |
41 | ||
2cef3cb2 | 42 | Revision 1.10 1999/10/16 19:30:06 fca |
d0a635a0 | 43 | Corrected Rotation Matrix and CVS log |
44 | ||
2cef3cb2 | 45 | Revision 1.9 1999/10/15 15:35:20 fca |
00e5f8d9 | 46 | New version for frame1099 with and without holes |
47 | ||
2cef3cb2 | 48 | Revision 1.8 1999/09/29 09:24:33 fca |
937fe4a4 | 49 | Introduction of the Copyright and cvs Log |
50 | ||
4c039060 | 51 | */ |
52 | ||
fe4da5cc | 53 | /////////////////////////////////////////////////////////////////////////////// |
54 | // // | |
2cef3cb2 | 55 | // Time Of Flight: design of C.Williams |
56 | // | |
937fe4a4 | 57 | // This class contains the functions for version 1 of the Time Of Flight // |
fe4da5cc | 58 | // detector. // |
937fe4a4 | 59 | // |
60 | // VERSION WITH 5 MODULES AND TILTED STRIPS | |
61 | // | |
2cef3cb2 | 62 | // HOLES FOR PHOS AND RICH DETECTOR |
937fe4a4 | 63 | // |
2cef3cb2 | 64 | // Authors: |
937fe4a4 | 65 | // |
66 | // Alessio Seganti | |
67 | // Domenico Vicinanza | |
68 | // | |
69 | // University of Salerno - Italy | |
70 | // | |
b94fa26c | 71 | // Fabrizio Pierella |
72 | // University of Bologna - Italy | |
73 | // | |
937fe4a4 | 74 | // |
fe4da5cc | 75 | //Begin_Html |
76 | /* | |
3fe3a833 | 77 | <img src="picts/AliTOFv2Class.gif"> |
fe4da5cc | 78 | */ |
79 | //End_Html | |
80 | // // | |
81 | /////////////////////////////////////////////////////////////////////////////// | |
82 | ||
826b71ec | 83 | #include <iostream.h> |
ab76897d | 84 | #include <stdlib.h> |
85 | ||
fe4da5cc | 86 | #include "AliTOFv2.h" |
2cef3cb2 | 87 | #include "TBRIK.h" |
94de3818 | 88 | #include "TGeometry.h" |
2cef3cb2 | 89 | #include "TNode.h" |
0cc62300 | 90 | #include <TLorentzVector.h> |
2cef3cb2 | 91 | #include "TObject.h" |
fe4da5cc | 92 | #include "AliRun.h" |
94de3818 | 93 | #include "AliMC.h" |
94 | #include "AliMagF.h" | |
fe4da5cc | 95 | #include "AliConst.h" |
2cef3cb2 | 96 | |
fe4da5cc | 97 | |
98 | ClassImp(AliTOFv2) | |
99 | ||
100 | //_____________________________________________________________________________ | |
151e057e | 101 | AliTOFv2::AliTOFv2() |
fe4da5cc | 102 | { |
103 | // | |
104 | // Default constructor | |
105 | // | |
106 | } | |
107 | ||
108 | //_____________________________________________________________________________ | |
109 | AliTOFv2::AliTOFv2(const char *name, const char *title) | |
2cef3cb2 | 110 | : AliTOF(name,title) |
fe4da5cc | 111 | { |
112 | // | |
113 | // Standard constructor | |
114 | // | |
da39da0c | 115 | // |
116 | // Check that FRAME is there otherwise we have no place where to | |
117 | // put TOF | |
b94fa26c | 118 | AliModule* frame=gAlice->GetModule("FRAME"); |
119 | if(!frame) { | |
da39da0c | 120 | Error("Ctor","TOF needs FRAME to be present\n"); |
121 | exit(1); | |
2cef3cb2 | 122 | } else |
b94fa26c | 123 | if(frame->IsVersion()!=1) { |
da39da0c | 124 | Error("Ctor","FRAME version 1 needed with this version of TOF\n"); |
125 | exit(1); | |
126 | } | |
127 | ||
fe4da5cc | 128 | } |
2cef3cb2 | 129 | |
b94fa26c | 130 | //____________________________________________________________________________ |
131 | AliTOFv2::~AliTOFv2() | |
132 | { | |
133 | // destructor | |
134 | ||
135 | if ( fHits) { | |
136 | fHits->Delete() ; | |
137 | delete fHits ; | |
138 | fHits = 0 ; | |
139 | } | |
140 | /* | |
141 | if ( fSDigits) { | |
142 | fSDigits->Delete() ; | |
143 | delete fSDigits ; | |
144 | fSDigits = 0 ; | |
145 | } | |
146 | */ | |
147 | if ( fDigits) { | |
148 | fDigits->Delete() ; | |
149 | delete fDigits ; | |
150 | fDigits = 0 ; | |
151 | } | |
152 | ||
153 | } | |
154 | ||
2cef3cb2 | 155 | //_____________________________________________________________________________ |
156 | void AliTOFv2::BuildGeometry() | |
157 | { | |
158 | // | |
159 | // Build TOF ROOT geometry for the ALICE event display | |
160 | // | |
b94fa26c | 161 | TNode *node, *top; |
2cef3cb2 | 162 | const int kColorTOF = 27; |
163 | ||
164 | // Find top TNODE | |
b94fa26c | 165 | top = gAlice->GetGeometry()->GetNode("alice"); |
2cef3cb2 | 166 | |
167 | // Position the different copies | |
b94fa26c | 168 | const Float_t krTof =(fRmax+fRmin)/2; |
169 | const Float_t khTof = fRmax-fRmin; | |
170 | const Int_t kNTof = fNTof; | |
2cef3cb2 | 171 | const Float_t kPi = TMath::Pi(); |
b94fa26c | 172 | const Float_t kangle = 2*kPi/kNTof; |
2cef3cb2 | 173 | Float_t ang; |
174 | ||
175 | // Define TOF basic volume | |
176 | ||
b94fa26c | 177 | char nodeName0[6], nodeName1[6], nodeName2[6]; |
178 | char nodeName3[6], nodeName4[6], rotMatNum[6]; | |
2cef3cb2 | 179 | |
180 | new TBRIK("S_TOF_C","TOF box","void", | |
b94fa26c | 181 | 120*0.5,khTof*0.5,fZlenC*0.5); |
2cef3cb2 | 182 | new TBRIK("S_TOF_B","TOF box","void", |
b94fa26c | 183 | 120*0.5,khTof*0.5,fZlenB*0.5); |
2cef3cb2 | 184 | new TBRIK("S_TOF_A","TOF box","void", |
b94fa26c | 185 | 120*0.5,khTof*0.5,fZlenA*0.5); |
2cef3cb2 | 186 | |
b94fa26c | 187 | for (Int_t nodeNum=1;nodeNum<19;nodeNum++){ |
2cef3cb2 | 188 | |
b94fa26c | 189 | if (nodeNum<10) { |
190 | sprintf(rotMatNum,"rot50%i",nodeNum); | |
191 | sprintf(nodeName0,"FTO00%i",nodeNum); | |
192 | sprintf(nodeName1,"FTO10%i",nodeNum); | |
193 | sprintf(nodeName2,"FTO20%i",nodeNum); | |
194 | sprintf(nodeName3,"FTO30%i",nodeNum); | |
195 | sprintf(nodeName4,"FTO40%i",nodeNum); | |
2cef3cb2 | 196 | } |
b94fa26c | 197 | if (nodeNum>9) { |
198 | sprintf(rotMatNum,"rot5%i",nodeNum); | |
199 | sprintf(nodeName0,"FTO0%i",nodeNum); | |
200 | sprintf(nodeName1,"FTO1%i",nodeNum); | |
201 | sprintf(nodeName2,"FTO2%i",nodeNum); | |
202 | sprintf(nodeName3,"FTO3%i",nodeNum); | |
203 | sprintf(nodeName4,"FTO4%i",nodeNum); | |
2cef3cb2 | 204 | } |
205 | ||
b94fa26c | 206 | new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0); |
207 | ang = (4.5-nodeNum) * kangle; | |
208 | ||
209 | top->cd(); | |
210 | node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum); | |
211 | node->SetLineColor(kColorTOF); | |
212 | fNodes->Add(node); | |
213 | ||
214 | top->cd(); | |
215 | node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum); | |
216 | node->SetLineColor(kColorTOF); | |
217 | fNodes->Add(node); | |
218 | if (nodeNum !=1 && nodeNum!=2 && nodeNum !=18) | |
2cef3cb2 | 219 | { |
b94fa26c | 220 | top->cd(); |
221 | node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum); | |
222 | node->SetLineColor(kColorTOF); | |
223 | fNodes->Add(node); | |
224 | ||
225 | top->cd(); | |
226 | node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum); | |
227 | node->SetLineColor(kColorTOF); | |
228 | fNodes->Add(node); | |
2cef3cb2 | 229 | } // Holes for RICH detector |
230 | ||
b94fa26c | 231 | if ((nodeNum<8 || nodeNum>12) && nodeNum !=1 && nodeNum!=2 && nodeNum !=18) |
2cef3cb2 | 232 | { |
b94fa26c | 233 | top->cd(); |
234 | node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum); | |
235 | node->SetLineColor(kColorTOF); | |
236 | fNodes->Add(node); | |
2cef3cb2 | 237 | } // Holes for PHOS detector (+ Holes for RICH detector, central part) |
b94fa26c | 238 | } // end loop on nodeNum |
2cef3cb2 | 239 | } |
240 | ||
fe4da5cc | 241 | |
242 | //_____________________________________________________________________________ | |
243 | void AliTOFv2::CreateGeometry() | |
244 | { | |
245 | // | |
3fe3a833 | 246 | // Create geometry for Time Of Flight version 0 |
fe4da5cc | 247 | // |
248 | //Begin_Html | |
249 | /* | |
3fe3a833 | 250 | <img src="picts/AliTOFv2.gif"> |
fe4da5cc | 251 | */ |
252 | //End_Html | |
253 | // | |
937fe4a4 | 254 | // Creates common geometry |
fe4da5cc | 255 | // |
256 | AliTOF::CreateGeometry(); | |
257 | } | |
258 | ||
259 | //_____________________________________________________________________________ | |
2cef3cb2 | 260 | void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC, |
261 | Float_t zlenB, Float_t zlenA, Float_t ztof0) | |
fe4da5cc | 262 | { |
263 | // | |
264 | // Definition of the Time Of Fligh Resistive Plate Chambers | |
937fe4a4 | 265 | // xFLT, yFLT, zFLT - sizes of TOF modules (large) |
3fe3a833 | 266 | |
937fe4a4 | 267 | Float_t ycoor, zcoor; |
b94fa26c | 268 | Float_t par[3]; |
2cef3cb2 | 269 | Int_t *idtmed = fIdtmed->GetArray()-499; |
270 | Int_t idrotm[100]; | |
271 | Int_t nrot = 0; | |
272 | Float_t hTof = fRmax-fRmin; | |
fe4da5cc | 273 | |
b94fa26c | 274 | Float_t radius = fRmin+2.;//cm |
937fe4a4 | 275 | |
2cef3cb2 | 276 | par[0] = xtof * 0.5; |
277 | par[1] = ytof * 0.5; | |
278 | par[2] = zlenC * 0.5; | |
279 | gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3); | |
280 | par[2] = zlenB * 0.5; | |
281 | gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3); | |
282 | par[2] = zlenA * 0.5; | |
283 | gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3); | |
937fe4a4 | 284 | |
937fe4a4 | 285 | |
2cef3cb2 | 286 | // Positioning of modules |
937fe4a4 | 287 | |
2cef3cb2 | 288 | Float_t zcor1 = ztof0 - zlenC*0.5; |
289 | Float_t zcor2 = ztof0 - zlenC - zlenB*0.5; | |
290 | Float_t zcor3 = 0.; | |
937fe4a4 | 291 | |
2cef3cb2 | 292 | AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.); |
293 | AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.); | |
294 | gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY"); | |
295 | gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
296 | gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY"); | |
297 | gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
298 | gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY"); | |
299 | gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
937fe4a4 | 300 | |
2cef3cb2 | 301 | gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY"); |
302 | gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
303 | gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY"); | |
304 | gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
937fe4a4 | 305 | |
2cef3cb2 | 306 | gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY"); |
937fe4a4 | 307 | |
2cef3cb2 | 308 | Float_t db = 0.5;//cm |
309 | Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC; | |
937fe4a4 | 310 | |
2cef3cb2 | 311 | xFLT = fStripLn; |
937fe4a4 | 312 | yFLT = ytof; |
2cef3cb2 | 313 | zFLTA = zlenA; |
314 | zFLTB = zlenB; | |
315 | zFLTC = zlenC; | |
316 | ||
317 | xFST = xFLT-fDeadBndX*2;//cm | |
937fe4a4 | 318 | |
937fe4a4 | 319 | // Sizes of MRPC pads |
320 | ||
2cef3cb2 | 321 | Float_t yPad = 0.505;//cm |
fe4da5cc | 322 | |
b94fa26c | 323 | // Large not sensitive volumes with Insensitive Freon |
2cef3cb2 | 324 | par[0] = xFLT*0.5; |
325 | par[1] = yFLT*0.5; | |
b94fa26c | 326 | |
937fe4a4 | 327 | cout <<"************************* TOF geometry **************************"<<endl; |
328 | ||
2cef3cb2 | 329 | par[2] = (zFLTA *0.5); |
b94fa26c | 330 | gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon |
2cef3cb2 | 331 | gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY"); |
937fe4a4 | 332 | |
2cef3cb2 | 333 | par[2] = (zFLTB * 0.5); |
b94fa26c | 334 | gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon |
2cef3cb2 | 335 | gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY"); |
937fe4a4 | 336 | |
b94fa26c | 337 | par[2] = (zFLTC * 0.5); |
338 | gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon | |
2cef3cb2 | 339 | gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY"); |
937fe4a4 | 340 | |
b94fa26c | 341 | ////////// Layers of Aluminum before and after detector ////////// |
342 | ////////// Aluminum Box for Modules (2.0 mm thickness) ///////// | |
343 | ////////// lateral walls not simulated | |
344 | par[0] = xFLT*0.5; | |
2cef3cb2 | 345 | par[1] = 0.1;//cm |
937fe4a4 | 346 | ycoor = -yFLT/2 + par[1]; |
b94fa26c | 347 | par[2] = (zFLTA *0.5); |
348 | gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium | |
349 | gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
350 | gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY"); | |
351 | par[2] = (zFLTB *0.5); | |
352 | gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium | |
353 | gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
354 | gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY"); | |
355 | par[2] = (zFLTC *0.5); | |
356 | gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium | |
357 | gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
358 | gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY"); | |
359 | ||
937fe4a4 | 360 | ///////////////// Detector itself ////////////////////// |
361 | ||
b94fa26c | 362 | const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge |
2cef3cb2 | 363 | //and the boundary of the strip |
b94fa26c | 364 | const Int_t knx = fNpadX; // number of pads along x |
365 | const Int_t knz = fNpadZ; // number of pads along z | |
366 | const Float_t kspace = fSpace; //cm distance from the front plate of the box | |
937fe4a4 | 367 | |
2cef3cb2 | 368 | Float_t zSenStrip = fZpad*fNpadZ;//cm |
b94fa26c | 369 | Float_t stripWidth = zSenStrip + 2*kdeadBound; |
937fe4a4 | 370 | |
2cef3cb2 | 371 | par[0] = xFLT*0.5; |
372 | par[1] = yPad*0.5; | |
b94fa26c | 373 | par[2] = stripWidth*0.5; |
937fe4a4 | 374 | |
b94fa26c | 375 | // new description for strip volume |
376 | // -- all constants are expressed in cm | |
377 | // heigth of different layers | |
378 | const Float_t khhony = 1. ; // heigth of HONY Layer | |
379 | const Float_t khpcby = 0.15 ; // heigth of PCB Layer | |
380 | const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer | |
381 | const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer | |
382 | const Float_t khglasseiy = 0.32; // 2.2 Ext. Glass + 1. Semi Int. Glass (mm) | |
383 | const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture | |
384 | const Float_t kwsensmz = 2*3.5 ; // cm | |
385 | const Float_t klsensmx = 48*2.5; // cm | |
386 | const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume | |
387 | const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume | |
388 | ||
389 | // heigth of the FSTR Volume (the strip volume) | |
390 | const Float_t khstripy = 2*(khhony+khpcby+khmyly+khgraphy+khglasseiy)+khsensmy; | |
391 | // width of the FSTR Volume (the strip volume) | |
392 | const Float_t kwstripz = 10.; | |
393 | // length of the FSTR Volume (the strip volume) | |
394 | const Float_t klstripx = 122.; | |
395 | ||
396 | Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5}; | |
397 | // coordinates of the strip center in the strip reference frame; used for positioning | |
398 | // internal strip volumes | |
399 | Float_t posfp[3]={0.,0.,0.}; | |
400 | ||
401 | // FSTR volume definition and filling this volume with non sensitive Gas Mixture | |
402 | gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3); | |
403 | //-- HONY Layer definition | |
404 | // parfp[0] = -1; | |
405 | parfp[1] = khhony*0.5; | |
406 | // parfp[2] = -1; | |
407 | gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3); | |
408 | // positioning 2 HONY Layers on FSTR volume | |
409 | posfp[1]=-khstripy*0.5+parfp[1]; | |
410 | gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
411 | gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
412 | ||
413 | //-- PCB Layer definition | |
414 | parfp[1] = khpcby*0.5; | |
415 | gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3); | |
416 | // positioning 2 PCB Layers on FSTR volume | |
417 | posfp[1]=-khstripy*0.5+khhony+parfp[1]; | |
418 | gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
419 | gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
420 | ||
421 | //-- MYLAR Layer definition | |
422 | parfp[1] = khmyly*0.5; | |
423 | gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3); | |
424 | // positioning 2 MYLAR Layers on FSTR volume | |
425 | posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1]; | |
426 | gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
427 | gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
428 | ||
429 | //-- Graphite Layer definition | |
430 | parfp[1] = khgraphy*0.5; | |
431 | gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3); | |
432 | // positioning 2 Graphite Layers on FSTR volume | |
433 | posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1]; | |
434 | gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
435 | gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
436 | ||
437 | //-- Glass (EXT. +Semi INT.) Layer definition | |
438 | parfp[1] = khglasseiy*0.5; | |
439 | gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3); | |
440 | // positioning 2 Glass Layers on FSTR volume | |
441 | posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1]; | |
442 | gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY"); | |
443 | gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY"); | |
444 | ||
445 | //-- Sensitive Mixture Layer definition | |
446 | parfp[0] = klsensmx*0.5; | |
447 | parfp[1] = khsensmy*0.5; | |
448 | parfp[2] = kwsensmz*0.5; | |
449 | gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3); | |
450 | // positioning the sensitive gas Layer on FSTR volume | |
451 | gMC->Gspos("FSEN",0,"FSTR",0.,0.,0.,0,"ONLY"); | |
452 | ||
453 | // dividing FSEN along z in knz=2 and along x in knx=48 | |
454 | gMC->Gsdvn("FSEZ","FSEN",knz,3); | |
455 | gMC->Gsdvn("FSEX","FSEZ",knx,1); | |
456 | ||
457 | // FPAD volume definition | |
458 | parfp[0] = klpadx*0.5; | |
459 | parfp[1] = khsensmy*0.5; | |
460 | parfp[2] = kwpadz*0.5; | |
461 | gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3); | |
462 | // positioning the FPAD volumes on previous divisions | |
463 | gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY"); | |
937fe4a4 | 464 | |
937fe4a4 | 465 | //// Positioning the Strips (FSTR) in the FLT volumes ///// |
466 | ||
2cef3cb2 | 467 | // Plate A (Central) |
468 | ||
469 | Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel | |
470 | ||
b94fa26c | 471 | Float_t gap = fGapA; //cm distance between the strip axis |
937fe4a4 | 472 | Float_t zpos = 0; |
2cef3cb2 | 473 | Float_t ang = 0; |
937fe4a4 | 474 | Int_t i=1,j=1; |
2cef3cb2 | 475 | nrot = 0; |
476 | zcoor = 0; | |
b94fa26c | 477 | ycoor = -14.5 + kspace ; //2 cm over front plate |
2cef3cb2 | 478 | |
479 | AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.); | |
480 | gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY"); | |
481 | ||
482 | printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i); | |
483 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
484 | ||
485 | zcoor -= zSenStrip; | |
486 | j++; | |
b94fa26c | 487 | Int_t upDown = -1; // upDown=-1 -> Upper strip |
488 | // upDown=+1 -> Lower strip | |
937fe4a4 | 489 | do{ |
b94fa26c | 490 | ang = atan(zcoor/radius); |
2cef3cb2 | 491 | ang *= kRaddeg; |
492 | AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.); | |
493 | AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.); | |
494 | ang /= kRaddeg; | |
b94fa26c | 495 | ycoor = -14.5+ kspace; //2 cm over front plate |
496 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 497 | gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY"); |
498 | gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); | |
499 | ||
500 | printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i); | |
501 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
502 | ||
503 | j += 2; | |
b94fa26c | 504 | upDown*= -1; // Alternate strips |
2cef3cb2 | 505 | zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 506 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 507 | (zSenStrip/2)/TMath::Cos(ang); |
b94fa26c | 508 | } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2); |
937fe4a4 | 509 | |
2cef3cb2 | 510 | zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+ |
b94fa26c | 511 | upDown*gap*TMath::Tan(ang)+ |
2cef3cb2 | 512 | (zSenStrip/2)/TMath::Cos(ang); |
513 | ||
b94fa26c | 514 | gap = fGapB; |
2cef3cb2 | 515 | zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 516 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 517 | (zSenStrip/2)/TMath::Cos(ang); |
518 | ||
b94fa26c | 519 | ang = atan(zcoor/radius); |
2cef3cb2 | 520 | ang *= kRaddeg; |
521 | AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.); | |
522 | AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.); | |
523 | ang /= kRaddeg; | |
524 | ||
b94fa26c | 525 | ycoor = -14.5+ kspace; //2 cm over front plate |
526 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 527 | gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY"); |
528 | gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); | |
529 | ||
530 | printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i); | |
531 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
532 | ||
b94fa26c | 533 | ycoor = -hTof/2.+ kspace;//2 cm over front plate |
2cef3cb2 | 534 | |
535 | // Plate B | |
937fe4a4 | 536 | |
937fe4a4 | 537 | nrot = 0; |
538 | i=1; | |
b94fa26c | 539 | upDown = 1; |
540 | Float_t deadRegion = 1.0;//cm | |
2cef3cb2 | 541 | |
542 | zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)- | |
b94fa26c | 543 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 544 | (zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 545 | deadRegion/TMath::Cos(ang); |
2cef3cb2 | 546 | |
b94fa26c | 547 | ang = atan(zpos/radius); |
2cef3cb2 | 548 | ang *= kRaddeg; |
549 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
550 | ang /= kRaddeg; | |
b94fa26c | 551 | ycoor = -hTof*0.5+ kspace ; //2 cm over front plate |
552 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 553 | zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB |
554 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
555 | ||
556 | printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i); | |
557 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
558 | ||
559 | i++; | |
b94fa26c | 560 | upDown*=-1; |
937fe4a4 | 561 | |
562 | do { | |
2cef3cb2 | 563 | zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)- |
b94fa26c | 564 | upDown*gap*TMath::Tan(ang)- |
2cef3cb2 | 565 | (zSenStrip/2)/TMath::Cos(ang); |
b94fa26c | 566 | ang = atan(zpos/radius); |
2cef3cb2 | 567 | ang *= kRaddeg; |
00e5f8d9 | 568 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); |
2cef3cb2 | 569 | ang /= kRaddeg; |
b94fa26c | 570 | ycoor = -hTof*0.5+ kspace ; //2 cm over front plate |
571 | ycoor += (1-(upDown+1)/2)*gap; | |
2cef3cb2 | 572 | zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB |
573 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
574 | ||
575 | printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i); | |
576 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
577 | ||
b94fa26c | 578 | upDown*=-1; |
2cef3cb2 | 579 | i++; |
580 | } while (TMath::Abs(ang*kRaddeg)<22.5); | |
581 | //till we reach a tilting angle of 22.5 degrees | |
582 | ||
b94fa26c | 583 | ycoor = -hTof*0.5+ kspace ; //2 cm over front plate |
2cef3cb2 | 584 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
585 | ||
586 | do { | |
b94fa26c | 587 | ang = atan(zpos/radius); |
2cef3cb2 | 588 | ang *= kRaddeg; |
589 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
590 | ang /= kRaddeg; | |
591 | zcoor = zpos+(zFLTB/2+zFLTA/2+db); | |
592 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
593 | zpos = zpos - zSenStrip/TMath::Cos(ang); | |
594 | printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i); | |
595 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
596 | i++; | |
597 | ||
b94fa26c | 598 | } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db); |
2cef3cb2 | 599 | |
600 | // Plate C | |
601 | ||
602 | zpos = zpos + zSenStrip/TMath::Cos(ang); | |
603 | ||
604 | zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+ | |
b94fa26c | 605 | gap*TMath::Tan(ang)- |
2cef3cb2 | 606 | (zSenStrip/2)/TMath::Cos(ang); |
607 | ||
937fe4a4 | 608 | nrot = 0; |
609 | i=0; | |
b94fa26c | 610 | ycoor= -hTof*0.5+kspace+gap; |
937fe4a4 | 611 | |
2cef3cb2 | 612 | do { |
937fe4a4 | 613 | i++; |
b94fa26c | 614 | ang = atan(zpos/radius); |
2cef3cb2 | 615 | ang *= kRaddeg; |
616 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
617 | ang /= kRaddeg; | |
618 | zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2); | |
619 | gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
620 | ||
621 | printf("%f, St. %2i, Pl.5 ",ang*kRaddeg,i); | |
622 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); | |
937fe4a4 | 623 | |
937fe4a4 | 624 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
b94fa26c | 625 | } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t); |
2cef3cb2 | 626 | |
937fe4a4 | 627 | |
b94fa26c | 628 | ////////// Layers after strips ///////////////// |
629 | // honeycomb (Polyethilene) Layer after (1.2cm) | |
937fe4a4 | 630 | |
b94fa26c | 631 | Float_t overSpace = fOverSpc;//cm |
937fe4a4 | 632 | |
b94fa26c | 633 | par[0] = xFLT*0.5; |
937fe4a4 | 634 | par[1] = 0.6; |
b94fa26c | 635 | par[2] = (zFLTA *0.5); |
636 | ycoor = -yFLT/2 + overSpace + par[1]; | |
2cef3cb2 | 637 | gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony |
638 | gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 639 | par[2] = (zFLTB *0.5); |
2cef3cb2 | 640 | gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony |
641 | gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 642 | par[2] = (zFLTC *0.5); |
2cef3cb2 | 643 | gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony |
644 | gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 645 | |
646 | // Electronics (Cu) after | |
647 | ycoor += par[1]; | |
b94fa26c | 648 | par[0] = xFLT*0.5; |
2cef3cb2 | 649 | par[1] = 1.43*0.05*0.5; // 5% of X0 |
b94fa26c | 650 | par[2] = (zFLTA *0.5); |
937fe4a4 | 651 | ycoor += par[1]; |
2cef3cb2 | 652 | gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu |
653 | gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 654 | par[2] = (zFLTB *0.5); |
2cef3cb2 | 655 | gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu |
656 | gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 657 | par[2] = (zFLTC *0.5); |
2cef3cb2 | 658 | gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu |
659 | gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
660 | ||
661 | // cooling WAter after | |
937fe4a4 | 662 | ycoor += par[1]; |
b94fa26c | 663 | par[0] = xFLT*0.5; |
2cef3cb2 | 664 | par[1] = 36.1*0.02*0.5; // 2% of X0 |
b94fa26c | 665 | par[2] = (zFLTA *0.5); |
937fe4a4 | 666 | ycoor += par[1]; |
2cef3cb2 | 667 | gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water |
668 | gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 669 | par[2] = (zFLTB *0.5); |
2cef3cb2 | 670 | gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water |
671 | gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 672 | par[2] = (zFLTC *0.5); |
2cef3cb2 | 673 | gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water |
674 | gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
675 | ||
b94fa26c | 676 | // frame of Air |
677 | ycoor += par[1]; | |
678 | par[0] = xFLT*0.5; | |
679 | par[1] = (yFLT/2-ycoor-0.2)*0.5; // Aluminum layer considered (0.2 cm) | |
680 | par[2] = (zFLTA *0.5); | |
681 | ycoor += par[1]; | |
682 | gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air | |
683 | gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
684 | par[2] = (zFLTB *0.5); | |
685 | gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air | |
686 | gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
687 | par[2] = (zFLTC *0.5); | |
688 | gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air | |
689 | gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
690 | /* fp | |
2cef3cb2 | 691 | //Back Plate honycomb (2cm) |
937fe4a4 | 692 | par[0] = -1; |
2cef3cb2 | 693 | par[1] = 2 *0.5; |
937fe4a4 | 694 | par[2] = -1; |
695 | ycoor = yFLT/2 - par[1]; | |
2cef3cb2 | 696 | gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony |
697 | gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); | |
698 | gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony | |
699 | gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); | |
700 | gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony | |
701 | gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); | |
b94fa26c | 702 | fp */ |
fe4da5cc | 703 | } |
704 | ||
705 | //_____________________________________________________________________________ | |
8f72dc0c | 706 | void AliTOFv2::DrawModule() |
fe4da5cc | 707 | { |
708 | // | |
937fe4a4 | 709 | // Draw a shaded view of the Time Of Flight version 1 |
fe4da5cc | 710 | // |
fe4da5cc | 711 | // Set everything unseen |
cfce8870 | 712 | gMC->Gsatt("*", "seen", -1); |
fe4da5cc | 713 | // |
714 | // Set ALIC mother transparent | |
cfce8870 | 715 | gMC->Gsatt("ALIC","SEEN",0); |
fe4da5cc | 716 | // |
717 | // Set the volumes visible | |
cfce8870 | 718 | gMC->Gsatt("ALIC","SEEN",0); |
2cef3cb2 | 719 | |
720 | gMC->Gsatt("FTOA","SEEN",1); | |
721 | gMC->Gsatt("FTOB","SEEN",1); | |
722 | gMC->Gsatt("FTOC","SEEN",1); | |
723 | gMC->Gsatt("FLTA","SEEN",1); | |
724 | gMC->Gsatt("FLTB","SEEN",1); | |
725 | gMC->Gsatt("FLTC","SEEN",1); | |
726 | gMC->Gsatt("FPLA","SEEN",1); | |
727 | gMC->Gsatt("FPLB","SEEN",1); | |
728 | gMC->Gsatt("FPLC","SEEN",1); | |
729 | gMC->Gsatt("FSTR","SEEN",1); | |
730 | gMC->Gsatt("FPEA","SEEN",1); | |
731 | gMC->Gsatt("FPEB","SEEN",1); | |
732 | gMC->Gsatt("FPEC","SEEN",1); | |
733 | ||
734 | gMC->Gsatt("FLZ1","SEEN",0); | |
735 | gMC->Gsatt("FLZ2","SEEN",0); | |
736 | gMC->Gsatt("FLZ3","SEEN",0); | |
737 | gMC->Gsatt("FLX1","SEEN",0); | |
738 | gMC->Gsatt("FLX2","SEEN",0); | |
739 | gMC->Gsatt("FLX3","SEEN",0); | |
740 | gMC->Gsatt("FPAD","SEEN",0); | |
741 | ||
cfce8870 | 742 | gMC->Gdopt("hide", "on"); |
743 | gMC->Gdopt("shad", "on"); | |
744 | gMC->Gsatt("*", "fill", 7); | |
745 | gMC->SetClipBox("."); | |
746 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
747 | gMC->DefaultRange(); | |
748 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); | |
749 | gMC->Gdhead(1111, "Time Of Flight"); | |
750 | gMC->Gdman(18, 4, "MAN"); | |
751 | gMC->Gdopt("hide","off"); | |
fe4da5cc | 752 | } |
753 | ||
754 | //_____________________________________________________________________________ | |
755 | void AliTOFv2::CreateMaterials() | |
756 | { | |
757 | // | |
758 | // Define materials for the Time Of Flight | |
759 | // | |
760 | AliTOF::CreateMaterials(); | |
761 | } | |
762 | ||
763 | //_____________________________________________________________________________ | |
764 | void AliTOFv2::Init() | |
765 | { | |
766 | // | |
767 | // Initialise the detector after the geometry has been defined | |
768 | // | |
ab76897d | 769 | printf("**************************************" |
770 | " TOF " | |
771 | "**************************************\n"); | |
2cef3cb2 | 772 | printf("\n Version 2 of TOF initialing, " |
773 | "TOF with holes for PHOS and RICH \n"); | |
ab76897d | 774 | |
fe4da5cc | 775 | AliTOF::Init(); |
ab76897d | 776 | |
2cef3cb2 | 777 | fIdFTOA = gMC->VolId("FTOA"); |
778 | fIdFTOB = gMC->VolId("FTOB"); | |
779 | fIdFTOC = gMC->VolId("FTOC"); | |
780 | fIdFLTA = gMC->VolId("FLTA"); | |
781 | fIdFLTB = gMC->VolId("FLTB"); | |
782 | fIdFLTC = gMC->VolId("FLTC"); | |
783 | ||
ab76897d | 784 | printf("**************************************" |
785 | " TOF " | |
786 | "**************************************\n"); | |
fe4da5cc | 787 | } |
788 | ||
789 | //_____________________________________________________________________________ | |
790 | void AliTOFv2::StepManager() | |
791 | { | |
792 | // | |
793 | // Procedure called at each step in the Time Of Flight | |
794 | // | |
3fe3a833 | 795 | TLorentzVector mom, pos; |
2cef3cb2 | 796 | Float_t xm[3],pm[3],xpad[3],ppad[3]; |
797 | Float_t hits[13],phi,phid,z; | |
798 | Int_t vol[5]; | |
b94fa26c | 799 | Int_t sector, plate, padx, padz, strip; |
800 | Int_t copy, padzid, padxid, stripid, i; | |
2cef3cb2 | 801 | Int_t *idtmed = fIdtmed->GetArray()-499; |
b94fa26c | 802 | Float_t incidenceAngle; |
826b71ec | 803 | |
804 | if(gMC->GetMedium()==idtmed[513] && | |
0a6d8768 | 805 | gMC->IsTrackEntering() && gMC->TrackCharge() |
826b71ec | 806 | && gMC->CurrentVolID(copy)==fIdSens) |
2cef3cb2 | 807 | { |
808 | // getting information about hit volumes | |
826b71ec | 809 | |
b94fa26c | 810 | padzid=gMC->CurrentVolOffID(2,copy); |
811 | padz=copy; | |
826b71ec | 812 | |
b94fa26c | 813 | padxid=gMC->CurrentVolOffID(1,copy); |
814 | padx=copy; | |
826b71ec | 815 | |
b94fa26c | 816 | stripid=gMC->CurrentVolOffID(4,copy); |
826b71ec | 817 | strip=copy; |
818 | ||
0a6d8768 | 819 | gMC->TrackPosition(pos); |
820 | gMC->TrackMomentum(mom); | |
826b71ec | 821 | |
2cef3cb2 | 822 | // Double_t NormPos=1./pos.Rho(); |
b94fa26c | 823 | Double_t normMom=1./mom.Rho(); |
2cef3cb2 | 824 | |
825 | // getting the cohordinates in pad ref system | |
826 | xm[0] = (Float_t)pos.X(); | |
827 | xm[1] = (Float_t)pos.Y(); | |
828 | xm[2] = (Float_t)pos.Z(); | |
829 | ||
b94fa26c | 830 | pm[0] = (Float_t)mom.X()*normMom; |
831 | pm[1] = (Float_t)mom.Y()*normMom; | |
832 | pm[2] = (Float_t)mom.Z()*normMom; | |
2cef3cb2 | 833 | |
834 | gMC->Gmtod(xm,xpad,1); | |
835 | gMC->Gmtod(pm,ppad,2); | |
836 | ||
b94fa26c | 837 | incidenceAngle = TMath::ACos(ppad[1])*kRaddeg; |
826b71ec | 838 | |
839 | z = pos[2]; | |
2cef3cb2 | 840 | |
841 | plate = 0; | |
842 | if (TMath::Abs(z) <= fZlenA*0.5) plate = 3; | |
843 | if (z < (fZlenA*0.5+fZlenB) && | |
844 | z > fZlenA*0.5) plate = 4; | |
845 | if (z >-(fZlenA*0.5+fZlenB) && | |
846 | z < -fZlenA*0.5) plate = 2; | |
847 | if (z > (fZlenA*0.5+fZlenB)) plate = 5; | |
848 | if (z <-(fZlenA*0.5+fZlenB)) plate = 1; | |
849 | ||
850 | phi = pos.Phi(); | |
851 | phid = phi*kRaddeg+180.; | |
826b71ec | 852 | sector = Int_t (phid/20.); |
853 | sector++; | |
854 | ||
0a6d8768 | 855 | for(i=0;i<3;++i) { |
2cef3cb2 | 856 | hits[i] = pos[i]; |
857 | hits[i+3] = pm[i]; | |
0a6d8768 | 858 | } |
2cef3cb2 | 859 | |
860 | hits[6] = mom.Rho(); | |
861 | hits[7] = pos[3]; | |
862 | hits[8] = xpad[0]; | |
863 | hits[9] = xpad[1]; | |
864 | hits[10]= xpad[2]; | |
b94fa26c | 865 | hits[11]= incidenceAngle; |
2cef3cb2 | 866 | hits[12]= gMC->Edep(); |
867 | ||
868 | vol[0]= sector; | |
869 | vol[1]= plate; | |
870 | vol[2]= strip; | |
b94fa26c | 871 | vol[3]= padx; |
872 | vol[4]= padz; | |
2cef3cb2 | 873 | |
874 | AddHit(gAlice->CurrentTrack(),vol, hits); | |
fe4da5cc | 875 | } |
876 | } |