| 937fe4a4 |
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 | $Log$ |
| 0cc62300 |
18 | Revision 1.7 2000/10/02 21:28:17 fca |
| 19 | Removal of useless dependecies via forward declarations |
| 20 | |
| 94de3818 |
21 | Revision 1.6 2000/05/10 16:52:18 vicinanz |
| 22 | New TOF version with holes for PHOS/RICH |
| 23 | |
| 2cef3cb2 |
24 | Revision 1.4.2.1 2000/05/10 09:37:16 vicinanz |
| 25 | New version with Holes for PHOS/RICH |
| 26 | |
| 27 | Revision 1.14 1999/11/05 22:39:06 fca |
| da39da0c |
28 | New hits structure |
| 29 | |
| 2cef3cb2 |
30 | Revision 1.13 1999/11/02 11:26:39 fca |
| 31 | added stdlib.h for exit |
| 32 | |
| 33 | Revision 1.12 1999/11/01 20:41:57 fca |
| 826b71ec |
34 | Added protections against using the wrong version of FRAME |
| 35 | |
| 2cef3cb2 |
36 | Revision 1.11 1999/10/22 08:04:14 fca |
| 37 | Correct improper use of negative parameters |
| 38 | |
| 39 | Revision 1.10 1999/10/16 19:30:06 fca |
| ab76897d |
40 | Corrected Rotation Matrix and CVS log |
| 41 | |
| 2cef3cb2 |
42 | Revision 1.9 1999/10/15 15:35:20 fca |
| 0172a4d9 |
43 | New version for frame1099 with and without holes |
| 937fe4a4 |
44 | |
| 2cef3cb2 |
45 | Revision 1.8 1999/09/29 09:24:33 fca |
| 46 | Introduction of the Copyright and cvs Log |
| 47 | |
| 937fe4a4 |
48 | */ |
| 49 | |
| 50 | /////////////////////////////////////////////////////////////////////////////// |
| 51 | // // |
| 2cef3cb2 |
52 | // Time Of Flight: design of C.Williams |
| 53 | // |
| 937fe4a4 |
54 | // This class contains the functions for version 1 of the Time Of Flight // |
| 55 | // detector. // |
| 56 | // |
| 2cef3cb2 |
57 | // VERSION WITH 5 MODULES AND TILTED STRIPS |
| 937fe4a4 |
58 | // |
| 2cef3cb2 |
59 | // FULL COVERAGE VERSION |
| 937fe4a4 |
60 | // |
| 61 | // Authors: |
| 62 | // |
| 63 | // Alessio Seganti |
| 2cef3cb2 |
64 | // Domenico Vicinanza |
| 937fe4a4 |
65 | // |
| 66 | // University of Salerno - Italy |
| 67 | // |
| 68 | // |
| 69 | //Begin_Html |
| 70 | /* |
| 71 | <img src="picts/AliTOFv4Class.gif"> |
| 72 | */ |
| 73 | //End_Html |
| 74 | // // |
| 75 | /////////////////////////////////////////////////////////////////////////////// |
| 76 | |
| 826b71ec |
77 | #include <iostream.h> |
| ab76897d |
78 | #include <stdlib.h> |
| 79 | |
| 937fe4a4 |
80 | #include "AliTOFv4.h" |
| 2cef3cb2 |
81 | #include "TBRIK.h" |
| 94de3818 |
82 | #include "TGeometry.h" |
| 2cef3cb2 |
83 | #include "TNode.h" |
| 0cc62300 |
84 | #include <TLorentzVector.h> |
| 2cef3cb2 |
85 | #include "TObject.h" |
| 937fe4a4 |
86 | #include "AliRun.h" |
| 94de3818 |
87 | #include "AliMC.h" |
| 937fe4a4 |
88 | #include "AliConst.h" |
| 2cef3cb2 |
89 | |
| 937fe4a4 |
90 | |
| 91 | ClassImp(AliTOFv4) |
| 92 | |
| 93 | //_____________________________________________________________________________ |
| 94 | AliTOFv4::AliTOFv4() |
| 95 | { |
| 96 | // |
| 97 | // Default constructor |
| 98 | // |
| 99 | } |
| 100 | |
| 101 | //_____________________________________________________________________________ |
| 102 | AliTOFv4::AliTOFv4(const char *name, const char *title) |
| 2cef3cb2 |
103 | : AliTOF(name,title) |
| 937fe4a4 |
104 | { |
| 105 | // |
| 106 | // Standard constructor |
| 107 | // |
| da39da0c |
108 | // |
| 109 | // Check that FRAME is there otherwise we have no place where to |
| 110 | // put TOF |
| 111 | AliModule* FRAME=gAlice->GetModule("FRAME"); |
| 112 | if(!FRAME) { |
| 113 | Error("Ctor","TOF needs FRAME to be present\n"); |
| 114 | exit(1); |
| 2cef3cb2 |
115 | } else |
| 116 | if(FRAME->IsVersion()!=1) { |
| 117 | Error("Ctor","FRAME version 1 needed with this version of TOF\n"); |
| da39da0c |
118 | exit(1); |
| 119 | } |
| 2cef3cb2 |
120 | |
| 121 | } |
| 122 | |
| 123 | //_____________________________________________________________________________ |
| 124 | void AliTOFv4::BuildGeometry() |
| 125 | { |
| 126 | // |
| 127 | // Build TOF ROOT geometry for the ALICE event display |
| 128 | // |
| 129 | TNode *Node, *Top; |
| 130 | const int kColorTOF = 27; |
| 131 | |
| 132 | // Find top TNODE |
| 133 | Top = gAlice->GetGeometry()->GetNode("alice"); |
| da39da0c |
134 | |
| 2cef3cb2 |
135 | // Position the different copies |
| 136 | const Float_t rTof =(fRmax+fRmin)/2; |
| 137 | const Float_t hTof = fRmax-fRmin; |
| 138 | const Int_t fNTof = 18; |
| 139 | const Float_t kPi = TMath::Pi(); |
| 140 | const Float_t angle = 2*kPi/fNTof; |
| 141 | Float_t ang; |
| 142 | |
| 143 | // Define TOF basic volume |
| 144 | |
| 145 | char NodeName0[6], NodeName1[6], NodeName2[6]; |
| 146 | char NodeName3[6], NodeName4[6], RotMatNum[6]; |
| 147 | |
| 148 | new TBRIK("S_TOF_C","TOF box","void", |
| 149 | 120*0.5,hTof*0.5,fZlenC*0.5); |
| 150 | new TBRIK("S_TOF_B","TOF box","void", |
| 151 | 120*0.5,hTof*0.5,fZlenB*0.5); |
| 152 | new TBRIK("S_TOF_A","TOF box","void", |
| 153 | 120*0.5,hTof*0.5,fZlenA*0.5); |
| 154 | |
| 155 | for (Int_t NodeNum=1;NodeNum<19;NodeNum++){ |
| 156 | |
| 157 | if (NodeNum<10) { |
| 158 | sprintf(RotMatNum,"rot50%i",NodeNum); |
| 159 | sprintf(NodeName0,"FTO00%i",NodeNum); |
| 160 | sprintf(NodeName1,"FTO10%i",NodeNum); |
| 161 | sprintf(NodeName2,"FTO20%i",NodeNum); |
| 162 | sprintf(NodeName3,"FTO30%i",NodeNum); |
| 163 | sprintf(NodeName4,"FTO40%i",NodeNum); |
| 164 | } |
| 165 | if (NodeNum>9) { |
| 166 | sprintf(RotMatNum,"rot5%i",NodeNum); |
| 167 | sprintf(NodeName0,"FTO0%i",NodeNum); |
| 168 | sprintf(NodeName1,"FTO1%i",NodeNum); |
| 169 | sprintf(NodeName2,"FTO2%i",NodeNum); |
| 170 | sprintf(NodeName3,"FTO3%i",NodeNum); |
| 171 | sprintf(NodeName4,"FTO4%i",NodeNum); |
| 172 | } |
| 173 | |
| 174 | new TRotMatrix(RotMatNum,RotMatNum,90,-20*NodeNum,90,90-20*NodeNum,0,0); |
| 175 | ang = (4.5-NodeNum) * angle; |
| 176 | |
| 177 | Top->cd(); |
| 178 | Node = new TNode(NodeName0,NodeName0,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),299.15,RotMatNum); |
| 179 | Node->SetLineColor(kColorTOF); |
| 180 | fNodes->Add(Node); |
| 181 | |
| 182 | Top->cd(); |
| 183 | Node = new TNode(NodeName1,NodeName1,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-299.15,RotMatNum); |
| 184 | Node->SetLineColor(kColorTOF); |
| 185 | fNodes->Add(Node); |
| 186 | |
| 187 | Top->cd(); |
| 188 | Node = new TNode(NodeName2,NodeName2,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),146.45,RotMatNum); |
| 189 | Node->SetLineColor(kColorTOF); |
| 190 | fNodes->Add(Node); |
| 191 | |
| 192 | Top->cd(); |
| 193 | Node = new TNode(NodeName3,NodeName3,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-146.45,RotMatNum); |
| 194 | Node->SetLineColor(kColorTOF); |
| 195 | fNodes->Add(Node); |
| 196 | |
| 197 | Top->cd(); |
| 198 | Node = new TNode(NodeName4,NodeName4,"S_TOF_A",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),0.,RotMatNum); |
| 199 | Node->SetLineColor(kColorTOF); |
| 200 | fNodes->Add(Node); |
| 201 | } |
| 937fe4a4 |
202 | } |
| 2cef3cb2 |
203 | |
| 204 | |
| 937fe4a4 |
205 | |
| 206 | //_____________________________________________________________________________ |
| 207 | void AliTOFv4::CreateGeometry() |
| 208 | { |
| 209 | // |
| 210 | // Create geometry for Time Of Flight version 0 |
| 211 | // |
| 212 | //Begin_Html |
| 213 | /* |
| 214 | <img src="picts/AliTOFv4.gif"> |
| 215 | */ |
| 216 | //End_Html |
| 217 | // |
| 218 | // Creates common geometry |
| 219 | // |
| 220 | AliTOF::CreateGeometry(); |
| 221 | } |
| 222 | |
| 223 | //_____________________________________________________________________________ |
| 2cef3cb2 |
224 | void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC, |
| 225 | Float_t zlenB, Float_t zlenA, Float_t ztof0) |
| 937fe4a4 |
226 | { |
| 227 | // |
| 228 | // Definition of the Time Of Fligh Resistive Plate Chambers |
| 229 | // xFLT, yFLT, zFLT - sizes of TOF modules (large) |
| 230 | |
| 937fe4a4 |
231 | Float_t ycoor, zcoor; |
| 2cef3cb2 |
232 | Float_t par[10]; |
| 233 | Int_t *idtmed = fIdtmed->GetArray()-499; |
| 234 | Int_t idrotm[100]; |
| 235 | Int_t nrot = 0; |
| 236 | Float_t hTof = fRmax-fRmin; |
| 937fe4a4 |
237 | |
| 2cef3cb2 |
238 | Float_t Radius = fRmin+2.;//cm |
| 937fe4a4 |
239 | |
| 2cef3cb2 |
240 | par[0] = xtof * 0.5; |
| 241 | par[1] = ytof * 0.5; |
| 242 | par[2] = zlenC * 0.5; |
| 243 | gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3); |
| 244 | par[2] = zlenB * 0.5; |
| 245 | gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3); |
| 246 | par[2] = zlenA * 0.5; |
| 247 | gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3); |
| 937fe4a4 |
248 | |
| 249 | |
| 250 | // Positioning of modules |
| 251 | |
| 2cef3cb2 |
252 | Float_t zcor1 = ztof0 - zlenC*0.5; |
| 253 | Float_t zcor2 = ztof0 - zlenC - zlenB*0.5; |
| 937fe4a4 |
254 | Float_t zcor3 = 0.; |
| 255 | |
| 2cef3cb2 |
256 | AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.); |
| 257 | AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.); |
| 258 | gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY"); |
| 259 | gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY"); |
| 260 | gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY"); |
| 261 | gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY"); |
| 262 | gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY"); |
| 263 | gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY"); |
| 264 | |
| 265 | gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY"); |
| 266 | gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY"); |
| 267 | gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY"); |
| 268 | gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY"); |
| 269 | gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY"); |
| 270 | gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY"); |
| 271 | |
| 272 | gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY"); |
| 273 | gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY"); |
| 274 | gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY"); |
| 275 | |
| 276 | Float_t db = 0.5;//cm |
| 277 | Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC; |
| 278 | |
| 279 | xFLT = fStripLn; |
| 937fe4a4 |
280 | yFLT = ytof; |
| 2cef3cb2 |
281 | zFLTA = zlenA; |
| 282 | zFLTB = zlenB; |
| 283 | zFLTC = zlenC; |
| 937fe4a4 |
284 | |
| 2cef3cb2 |
285 | xFST = xFLT-fDeadBndX*2;//cm |
| 937fe4a4 |
286 | |
| 287 | // Sizes of MRPC pads |
| 288 | |
| 2cef3cb2 |
289 | Float_t yPad = 0.505;//cm |
| 290 | |
| 291 | // Large not sensitive volumes with CO2 |
| 292 | par[0] = xFLT*0.5; |
| 293 | par[1] = yFLT*0.5; |
| 937fe4a4 |
294 | |
| 2cef3cb2 |
295 | cout <<"************************* TOF geometry **************************"<<endl; |
| 937fe4a4 |
296 | |
| 2cef3cb2 |
297 | par[2] = (zFLTA *0.5); |
| 298 | gMC->Gsvolu("FLTA", "BOX ", idtmed[506], par, 3); // CO2 |
| 299 | gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY"); |
| 937fe4a4 |
300 | |
| 2cef3cb2 |
301 | par[2] = (zFLTB * 0.5); |
| 302 | gMC->Gsvolu("FLTB", "BOX ", idtmed[506], par, 3); // CO2 |
| 303 | gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY"); |
| 937fe4a4 |
304 | |
| 2cef3cb2 |
305 | par[2] = (zFLTC * 0.5); |
| 306 | gMC->Gsvolu("FLTC", "BOX ", idtmed[506], par, 3); // CO2 |
| 307 | gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY"); |
| 937fe4a4 |
308 | |
| 309 | ////////// Layers before detector //////////////////// |
| 310 | |
| 2cef3cb2 |
311 | // MYlar layer in front 1.0 mm thick at the beginning |
| 937fe4a4 |
312 | par[0] = -1; |
| 2cef3cb2 |
313 | par[1] = 0.1;//cm |
| 937fe4a4 |
314 | par[2] = -1; |
| 315 | ycoor = -yFLT/2 + par[1]; |
| 2cef3cb2 |
316 | gMC->Gsvolu("FMYA", "BOX ", idtmed[508], par, 3); // Alluminium |
| 317 | gMC->Gspos ("FMYA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); |
| 318 | gMC->Gsvolu("FMYB", "BOX ", idtmed[508], par, 3); // Alluminium |
| 319 | gMC->Gspos ("FMYB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); |
| 320 | gMC->Gsvolu("FMYC", "BOX ", idtmed[508], par, 3); // Alluminium |
| 321 | gMC->Gspos ("FMYC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); |
| 322 | |
| 323 | // honeycomb (special Polyethilene Layer of 1cm) |
| 937fe4a4 |
324 | ycoor = ycoor + par[1]; |
| 325 | par[0] = -1; |
| 2cef3cb2 |
326 | par[1] = 0.5;//cm |
| 937fe4a4 |
327 | par[2] = -1; |
| 328 | ycoor = ycoor + par[1]; |
| 2cef3cb2 |
329 | gMC->Gsvolu("FPLA", "BOX ", idtmed[503], par, 3); // Hony |
| 330 | gMC->Gspos ("FPLA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); |
| 331 | gMC->Gsvolu("FPLB", "BOX ", idtmed[503], par, 3); // Hony |
| 332 | gMC->Gspos ("FPLB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); |
| 333 | gMC->Gsvolu("FPLC", "BOX ", idtmed[503], par, 3); // Hony |
| 334 | gMC->Gspos ("FPLC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); |
| 937fe4a4 |
335 | |
| 336 | ///////////////// Detector itself ////////////////////// |
| 337 | |
| 2cef3cb2 |
338 | const Float_t DeadBound = fDeadBndZ; //cm non-sensitive between the pad edge |
| 339 | //and the boundary of the strip |
| 340 | const Int_t nx = fNpadX; // number of pads along x |
| 341 | const Int_t nz = fNpadZ; // number of pads along z |
| 342 | const Float_t Space = fSpace; //cm distance from the front plate of the box |
| 937fe4a4 |
343 | |
| 2cef3cb2 |
344 | Float_t zSenStrip = fZpad*fNpadZ;//cm |
| 345 | Float_t StripWidth = zSenStrip + 2*DeadBound; |
| 346 | |
| 347 | par[0] = xFLT*0.5; |
| 348 | par[1] = yPad*0.5; |
| 349 | par[2] = StripWidth*0.5; |
| 350 | |
| 351 | // glass layer of detector STRip |
| 352 | gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3); |
| 353 | |
| 354 | // Non-Sesitive Freon boundaries |
| 355 | par[0] = xFLT*0.5; |
| 356 | par[1] = 0.110*0.5;//cm |
| 937fe4a4 |
357 | par[2] = -1; |
| 2cef3cb2 |
358 | gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3); |
| 359 | gMC->Gspos ("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY"); |
| 360 | |
| 361 | // MYlar for Internal non-sesitive boundaries |
| 362 | // par[1] = 0.025;//cm |
| 363 | // gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3); |
| 364 | // gMC->Gspos ("FMYI",0,"FNSF",0.,0.,0.,0,"MANY"); |
| 365 | |
| 366 | // MYlar eXternal layers |
| 367 | par[1] = 0.035*0.5;//cm |
| 368 | ycoor = -yPad*0.5+par[1]; |
| 369 | gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3); |
| 370 | gMC->Gspos ("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY"); |
| 371 | gMC->Gspos ("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY"); |
| 372 | ycoor += par[1]; |
| 373 | |
| 374 | // GRaphyte Layers |
| 375 | par[1] = 0.003*0.5; |
| 376 | ycoor += par[1]; |
| 377 | gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3); |
| 378 | gMC->Gspos ("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY"); |
| 379 | gMC->Gspos ("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY"); |
| 380 | |
| 381 | // freon sensitive layer (Chlorine-Fluorine-Carbon) |
| 382 | par[0] = xFST*0.5; |
| 383 | par[1] = 0.110*0.5; |
| 384 | par[2] = zSenStrip*0.5; |
| 385 | gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3); |
| 386 | gMC->Gspos ("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY"); |
| 387 | |
| 388 | // Pad definition x & z |
| 389 | gMC->Gsdvn("FLZ","FCFC", nz, 3); |
| 390 | gMC->Gsdvn("FLX","FLZ" , nx, 1); |
| 391 | |
| 392 | // MRPC PAD itself |
| 937fe4a4 |
393 | par[0] = -1; |
| 2cef3cb2 |
394 | par[1] = -1; |
| 937fe4a4 |
395 | par[2] = -1; |
| 2cef3cb2 |
396 | gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3); |
| 397 | gMC->Gspos ("FPAD", 0, "FLX", 0., 0., 0., 0, "ONLY"); |
| 937fe4a4 |
398 | |
| 2cef3cb2 |
399 | //// Positioning the Strips (FSTR) in the FLT volumes ///// |
| 937fe4a4 |
400 | |
| 2cef3cb2 |
401 | // Plate A (Central) |
| 402 | |
| 403 | Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel |
| 404 | |
| 405 | Float_t Gap = fGapA; //cm distance between the strip axis |
| 406 | Float_t zpos = 0; |
| 407 | Float_t ang = 0; |
| 408 | Int_t i=1,j=1; |
| 409 | nrot = 0; |
| 410 | zcoor = 0; |
| 411 | ycoor = -14.5 + Space ; //2 cm over front plate |
| 412 | |
| 413 | AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.); |
| 414 | gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY"); |
| 415 | |
| 416 | printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i); |
| 417 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
| 418 | |
| 419 | zcoor -= zSenStrip; |
| 420 | j++; |
| 421 | Int_t UpDown = -1; // UpDown=-1 -> Upper strip |
| 422 | // UpDown=+1 -> Lower strip |
| 423 | do{ |
| 424 | ang = atan(zcoor/Radius); |
| 425 | ang *= kRaddeg; |
| 426 | AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.); |
| 427 | AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.); |
| 428 | ang /= kRaddeg; |
| 429 | ycoor = -14.5+ Space; //2 cm over front plate |
| 430 | ycoor += (1-(UpDown+1)/2)*Gap; |
| 431 | gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY"); |
| 432 | gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); |
| 433 | |
| 434 | printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i); |
| 435 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
| 436 | |
| 437 | j += 2; |
| 438 | UpDown*= -1; // Alternate strips |
| 439 | zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)- |
| 440 | UpDown*Gap*TMath::Tan(ang)- |
| 441 | (zSenStrip/2)/TMath::Cos(ang); |
| 442 | } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2); |
| 443 | |
| 444 | zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+ |
| 445 | UpDown*Gap*TMath::Tan(ang)+ |
| 446 | (zSenStrip/2)/TMath::Cos(ang); |
| 447 | |
| 448 | Gap = fGapB; |
| 449 | zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)- |
| 450 | UpDown*Gap*TMath::Tan(ang)- |
| 451 | (zSenStrip/2)/TMath::Cos(ang); |
| 452 | |
| 453 | ang = atan(zcoor/Radius); |
| 454 | ang *= kRaddeg; |
| 455 | AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.); |
| 456 | AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.); |
| 457 | ang /= kRaddeg; |
| 458 | |
| 459 | ycoor = -14.5+ Space; //2 cm over front plate |
| 460 | ycoor += (1-(UpDown+1)/2)*Gap; |
| 461 | gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY"); |
| 462 | gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); |
| 463 | |
| 464 | printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i); |
| 465 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
| 466 | |
| 467 | ycoor = -hTof/2.+ Space;//2 cm over front plate |
| 468 | |
| 469 | // Plate B |
| 470 | |
| 471 | nrot = 0; |
| 472 | i=1; |
| 473 | UpDown = 1; |
| 474 | Float_t DeadRegion = 1.0;//cm |
| 937fe4a4 |
475 | |
| 2cef3cb2 |
476 | zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)- |
| 477 | UpDown*Gap*TMath::Tan(ang)- |
| 478 | (zSenStrip/2)/TMath::Cos(ang)- |
| 479 | DeadRegion/TMath::Cos(ang); |
| 480 | |
| 481 | ang = atan(zpos/Radius); |
| 482 | ang *= kRaddeg; |
| 483 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); |
| 484 | ang /= kRaddeg; |
| 485 | ycoor = -hTof*0.5+ Space ; //2 cm over front plate |
| 486 | ycoor += (1-(UpDown+1)/2)*Gap; |
| 487 | zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB |
| 488 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); |
| 489 | |
| 490 | printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i); |
| 491 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
| 492 | |
| 493 | i++; |
| 494 | UpDown*=-1; |
| 495 | |
| 496 | do { |
| 497 | zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)- |
| 498 | UpDown*Gap*TMath::Tan(ang)- |
| 499 | (zSenStrip/2)/TMath::Cos(ang); |
| 500 | ang = atan(zpos/Radius); |
| 501 | ang *= kRaddeg; |
| 502 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); |
| 503 | ang /= kRaddeg; |
| 504 | ycoor = -hTof*0.5+ Space ; //2 cm over front plate |
| 505 | ycoor += (1-(UpDown+1)/2)*Gap; |
| 506 | zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB |
| 507 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); |
| 508 | |
| 509 | printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i); |
| 510 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
| 511 | |
| 512 | UpDown*=-1; |
| 513 | i++; |
| 514 | } while (TMath::Abs(ang*kRaddeg)<22.5); |
| 515 | //till we reach a tilting angle of 22.5 degrees |
| 516 | |
| 517 | ycoor = -hTof*0.5+ Space ; //2 cm over front plate |
| 518 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
| 519 | |
| 520 | do { |
| 521 | ang = atan(zpos/Radius); |
| 522 | ang *= kRaddeg; |
| 523 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); |
| 524 | ang /= kRaddeg; |
| 525 | zcoor = zpos+(zFLTB/2+zFLTA/2+db); |
| 526 | gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); |
| 527 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
| 528 | printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i); |
| 529 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
| 530 | i++; |
| 531 | |
| 532 | } while (zpos-StripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db); |
| 533 | |
| 534 | // Plate C |
| 535 | |
| 536 | zpos = zpos + zSenStrip/TMath::Cos(ang); |
| 537 | |
| 538 | zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+ |
| 539 | Gap*TMath::Tan(ang)- |
| 540 | (zSenStrip/2)/TMath::Cos(ang); |
| 541 | |
| 542 | nrot = 0; |
| 543 | i=0; |
| 544 | ycoor= -hTof*0.5+Space+Gap; |
| 545 | |
| 546 | do { |
| 547 | i++; |
| 548 | ang = atan(zpos/Radius); |
| 549 | ang *= kRaddeg; |
| 550 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); |
| 551 | ang /= kRaddeg; |
| 552 | zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2); |
| 553 | gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); |
| 554 | |
| 555 | printf("%f, St. %2i, Pl.5 ",ang*kRaddeg,i); |
| 556 | printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos); |
| 557 | |
| 558 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
| 559 | } while (zpos-StripWidth*TMath::Cos(ang)*0.5>-t); |
| 560 | |
| 561 | |
| 562 | ////////// Layers after detector ///////////////// |
| 563 | |
| 564 | // honeycomb (Polyethilene) Layer after (3cm) |
| 565 | |
| 566 | Float_t OverSpace = fOverSpc;//cm |
| 567 | |
| 937fe4a4 |
568 | par[0] = -1; |
| 569 | par[1] = 0.6; |
| 570 | par[2] = -1; |
| 2cef3cb2 |
571 | ycoor = -yFLT/2 + OverSpace + par[1]; |
| 572 | gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony |
| 573 | gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); |
| 574 | gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony |
| 575 | gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); |
| 576 | gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony |
| 577 | gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); |
| 937fe4a4 |
578 | |
| 579 | // Electronics (Cu) after |
| 2cef3cb2 |
580 | ycoor += par[1]; |
| 937fe4a4 |
581 | par[0] = -1; |
| 2cef3cb2 |
582 | par[1] = 1.43*0.05*0.5; // 5% of X0 |
| 937fe4a4 |
583 | par[2] = -1; |
| 2cef3cb2 |
584 | ycoor += par[1]; |
| 585 | gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu |
| 586 | gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); |
| 587 | gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu |
| 588 | gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); |
| 589 | gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu |
| 590 | gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); |
| 591 | |
| 592 | // cooling WAter after |
| 593 | ycoor += par[1]; |
| 937fe4a4 |
594 | par[0] = -1; |
| 2cef3cb2 |
595 | par[1] = 36.1*0.02*0.5; // 2% of X0 |
| 937fe4a4 |
596 | par[2] = -1; |
| 2cef3cb2 |
597 | ycoor += par[1]; |
| 598 | gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water |
| 599 | gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); |
| 600 | gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water |
| 601 | gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); |
| 602 | gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water |
| 603 | gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); |
| 604 | |
| 605 | //Back Plate honycomb (2cm) |
| 937fe4a4 |
606 | par[0] = -1; |
| 2cef3cb2 |
607 | par[1] = 2 *0.5; |
| 937fe4a4 |
608 | par[2] = -1; |
| 609 | ycoor = yFLT/2 - par[1]; |
| 2cef3cb2 |
610 | gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony |
| 611 | gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY"); |
| 612 | gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony |
| 613 | gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY"); |
| 614 | gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony |
| 615 | gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY"); |
| 937fe4a4 |
616 | } |
| 617 | |
| 618 | //_____________________________________________________________________________ |
| 619 | void AliTOFv4::DrawModule() |
| 620 | { |
| 621 | // |
| 622 | // Draw a shaded view of the Time Of Flight version 1 |
| 623 | // |
| 624 | // Set everything unseen |
| 625 | gMC->Gsatt("*", "seen", -1); |
| 626 | // |
| 627 | // Set ALIC mother transparent |
| 628 | gMC->Gsatt("ALIC","SEEN",0); |
| 629 | // |
| 630 | // Set the volumes visible |
| 631 | gMC->Gsatt("ALIC","SEEN",0); |
| 2cef3cb2 |
632 | |
| 633 | gMC->Gsatt("FTOA","SEEN",1); |
| 634 | gMC->Gsatt("FTOB","SEEN",1); |
| 635 | gMC->Gsatt("FTOC","SEEN",1); |
| 636 | gMC->Gsatt("FLTA","SEEN",1); |
| 637 | gMC->Gsatt("FLTB","SEEN",1); |
| 638 | gMC->Gsatt("FLTC","SEEN",1); |
| 639 | gMC->Gsatt("FPLA","SEEN",1); |
| 640 | gMC->Gsatt("FPLB","SEEN",1); |
| 641 | gMC->Gsatt("FPLC","SEEN",1); |
| 642 | gMC->Gsatt("FSTR","SEEN",1); |
| 643 | gMC->Gsatt("FPEA","SEEN",1); |
| 644 | gMC->Gsatt("FPEB","SEEN",1); |
| 645 | gMC->Gsatt("FPEC","SEEN",1); |
| 646 | |
| 647 | gMC->Gsatt("FLZ1","SEEN",0); |
| 648 | gMC->Gsatt("FLZ2","SEEN",0); |
| 649 | gMC->Gsatt("FLZ3","SEEN",0); |
| 650 | gMC->Gsatt("FLX1","SEEN",0); |
| 651 | gMC->Gsatt("FLX2","SEEN",0); |
| 652 | gMC->Gsatt("FLX3","SEEN",0); |
| 653 | gMC->Gsatt("FPAD","SEEN",0); |
| 654 | |
| 937fe4a4 |
655 | gMC->Gdopt("hide", "on"); |
| 656 | gMC->Gdopt("shad", "on"); |
| 657 | gMC->Gsatt("*", "fill", 7); |
| 658 | gMC->SetClipBox("."); |
| 659 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); |
| 660 | gMC->DefaultRange(); |
| 661 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); |
| 662 | gMC->Gdhead(1111, "Time Of Flight"); |
| 663 | gMC->Gdman(18, 4, "MAN"); |
| 664 | gMC->Gdopt("hide","off"); |
| 665 | } |
| 666 | |
| 667 | //_____________________________________________________________________________ |
| 668 | void AliTOFv4::CreateMaterials() |
| 669 | { |
| 670 | // |
| 671 | // Define materials for the Time Of Flight |
| 672 | // |
| 673 | AliTOF::CreateMaterials(); |
| 674 | } |
| 675 | |
| 676 | //_____________________________________________________________________________ |
| 677 | void AliTOFv4::Init() |
| 678 | { |
| 679 | // |
| 680 | // Initialise the detector after the geometry has been defined |
| 681 | // |
| ab76897d |
682 | printf("**************************************" |
| 683 | " TOF " |
| 684 | "**************************************\n"); |
| 2cef3cb2 |
685 | printf("\n Version 4 of TOF initialing, " |
| 686 | "symmetric TOF - Full Coverage version\n"); |
| ab76897d |
687 | |
| 937fe4a4 |
688 | AliTOF::Init(); |
| ab76897d |
689 | |
| 2cef3cb2 |
690 | fIdFTOA = gMC->VolId("FTOA"); |
| 691 | fIdFTOB = gMC->VolId("FTOB"); |
| 692 | fIdFTOC = gMC->VolId("FTOC"); |
| 693 | fIdFLTA = gMC->VolId("FLTA"); |
| 694 | fIdFLTB = gMC->VolId("FLTB"); |
| 695 | fIdFLTC = gMC->VolId("FLTC"); |
| 696 | |
| ab76897d |
697 | printf("**************************************" |
| 698 | " TOF " |
| 699 | "**************************************\n"); |
| 937fe4a4 |
700 | } |
| 701 | |
| 702 | //_____________________________________________________________________________ |
| 703 | void AliTOFv4::StepManager() |
| 704 | { |
| 705 | // |
| 706 | // Procedure called at each step in the Time Of Flight |
| 707 | // |
| 708 | TLorentzVector mom, pos; |
| 2cef3cb2 |
709 | Float_t xm[3],pm[3],xpad[3],ppad[3]; |
| 710 | Float_t hits[13],phi,phid,z; |
| 711 | Int_t vol[5]; |
| 712 | Int_t sector, plate, pad_x, pad_z, strip; |
| 713 | Int_t copy, pad_z_id, pad_x_id, strip_id, i; |
| 714 | Int_t *idtmed = fIdtmed->GetArray()-499; |
| 715 | Float_t IncidenceAngle; |
| 716 | |
| 717 | if(gMC->GetMedium()==idtmed[513] && |
| 937fe4a4 |
718 | gMC->IsTrackEntering() && gMC->TrackCharge() |
| 2cef3cb2 |
719 | && gMC->CurrentVolID(copy)==fIdSens) |
| 720 | { |
| 721 | // getting information about hit volumes |
| 826b71ec |
722 | |
| 2cef3cb2 |
723 | pad_z_id=gMC->CurrentVolOffID(2,copy); |
| 826b71ec |
724 | pad_z=copy; |
| 725 | |
| 2cef3cb2 |
726 | pad_x_id=gMC->CurrentVolOffID(1,copy); |
| 826b71ec |
727 | pad_x=copy; |
| 728 | |
| 2cef3cb2 |
729 | strip_id=gMC->CurrentVolOffID(5,copy); |
| 730 | strip=copy; |
| 731 | |
| 732 | gMC->TrackPosition(pos); |
| 733 | gMC->TrackMomentum(mom); |
| 734 | |
| 735 | // Double_t NormPos=1./pos.Rho(); |
| 736 | Double_t NormMom=1./mom.Rho(); |
| 737 | |
| 738 | // getting the cohordinates in pad ref system |
| 739 | xm[0] = (Float_t)pos.X(); |
| 740 | xm[1] = (Float_t)pos.Y(); |
| 741 | xm[2] = (Float_t)pos.Z(); |
| 742 | |
| 743 | pm[0] = (Float_t)mom.X()*NormMom; |
| 744 | pm[1] = (Float_t)mom.Y()*NormMom; |
| 745 | pm[2] = (Float_t)mom.Z()*NormMom; |
| 746 | |
| 747 | gMC->Gmtod(xm,xpad,1); |
| 748 | gMC->Gmtod(pm,ppad,2); |
| 749 | |
| 750 | IncidenceAngle = TMath::ACos(ppad[1])*kRaddeg; |
| 751 | |
| 752 | z = pos[2]; |
| 753 | |
| 754 | plate = 0; |
| 755 | if (TMath::Abs(z) <= fZlenA*0.5) plate = 3; |
| 756 | if (z < (fZlenA*0.5+fZlenB) && |
| 757 | z > fZlenA*0.5) plate = 4; |
| 758 | if (z >-(fZlenA*0.5+fZlenB) && |
| 759 | z < -fZlenA*0.5) plate = 2; |
| 760 | if (z > (fZlenA*0.5+fZlenB)) plate = 5; |
| 761 | if (z <-(fZlenA*0.5+fZlenB)) plate = 1; |
| 762 | |
| 763 | phi = pos.Phi(); |
| 764 | phid = phi*kRaddeg+180.; |
| 765 | sector = Int_t (phid/20.); |
| 766 | sector++; |
| 767 | |
| 937fe4a4 |
768 | for(i=0;i<3;++i) { |
| 2cef3cb2 |
769 | hits[i] = pos[i]; |
| 770 | hits[i+3] = pm[i]; |
| 937fe4a4 |
771 | } |
| 2cef3cb2 |
772 | |
| 773 | hits[6] = mom.Rho(); |
| 774 | hits[7] = pos[3]; |
| 775 | hits[8] = xpad[0]; |
| 776 | hits[9] = xpad[1]; |
| 777 | hits[10]= xpad[2]; |
| 778 | hits[11]= IncidenceAngle; |
| 779 | hits[12]= gMC->Edep(); |
| 780 | |
| 781 | vol[0]= sector; |
| 782 | vol[1]= plate; |
| 783 | vol[2]= strip; |
| 784 | vol[3]= pad_x; |
| 785 | vol[4]= pad_z; |
| 786 | |
| 787 | AddHit(gAlice->CurrentTrack(),vol, hits); |
| 937fe4a4 |
788 | } |
| 789 | } |
git://git.uio.no / u / mrichter / AliRoot.git / blame