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New TOF version with holes for PHOS/RICH
[u/mrichter/AliRoot.git] / TOF / AliTOFv1.cxx
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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$Log$
2cef3cb2 18Revision 1.14.2.1 2000/05/10 09:37:16 vicinanz
19New version with Holes for PHOS/RICH
20
da39da0c 21Revision 1.14 1999/11/05 22:39:06 fca
22New hits structure
23
2cef3cb2 24Revision 1.13 1999/11/02 11:26:39 fca
25added stdlib.h for exit
26
27Revision 1.12 1999/11/01 20:41:57 fca
826b71ec 28Added protections against using the wrong version of FRAME
29
2cef3cb2 30Revision 1.11 1999/10/22 08:04:14 fca
ab76897d 31Correct improper use of negative parameters
32
2cef3cb2 33Revision 1.10 1999/10/16 19:30:06 fca
d0a635a0 34Corrected Rotation Matrix and CVS log
35
2cef3cb2 36Revision 1.9 1999/10/15 15:35:20 fca
00e5f8d9 37New version for frame1099 with and without holes
38
2cef3cb2 39Revision 1.8 1999/09/29 09:24:33 fca
937fe4a4 40Introduction of the Copyright and cvs Log
41
4c039060 42*/
43
fe4da5cc 44///////////////////////////////////////////////////////////////////////////////
45// //
2cef3cb2 46// Time Of Flight: design of C.Williams
47//
fe4da5cc 48// This class contains the functions for version 1 of the Time Of Flight //
49// detector. //
937fe4a4 50//
51// VERSION WITH 5 MODULES AND TILTED STRIPS
52//
2cef3cb2 53// HOLES FOR PHOS DETECTOR
937fe4a4 54//
55// Authors:
2cef3cb2 56//
937fe4a4 57// Alessio Seganti
58// Domenico Vicinanza
59//
60// University of Salerno - Italy
61//
62//
fe4da5cc 63//Begin_Html
64/*
1439f98e 65<img src="picts/AliTOFv1Class.gif">
fe4da5cc 66*/
67//End_Html
68// //
69///////////////////////////////////////////////////////////////////////////////
70
826b71ec 71#include <iostream.h>
ab76897d 72#include <stdlib.h>
73
fe4da5cc 74#include "AliTOFv1.h"
2cef3cb2 75#include "TBRIK.h"
76#include "TNode.h"
77#include "TObject.h"
fe4da5cc 78#include "AliRun.h"
fe4da5cc 79#include "AliConst.h"
2cef3cb2 80
fe4da5cc 81
82ClassImp(AliTOFv1)
83
84//_____________________________________________________________________________
151e057e 85AliTOFv1::AliTOFv1()
fe4da5cc 86{
87 //
88 // Default constructor
89 //
90}
91
92//_____________________________________________________________________________
93AliTOFv1::AliTOFv1(const char *name, const char *title)
2cef3cb2 94 : AliTOF(name,title)
fe4da5cc 95{
96 //
3fe3a833 97 // Standard constructor
fe4da5cc 98 //
da39da0c 99 //
100 // Check that FRAME is there otherwise we have no place where to
101 // put TOF
102 AliModule* FRAME=gAlice->GetModule("FRAME");
103 if(!FRAME) {
104 Error("Ctor","TOF needs FRAME to be present\n");
105 exit(1);
2cef3cb2 106 } else
107 if(FRAME->IsVersion()!=1) {
108 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
da39da0c 109 exit(1);
110 }
111
2cef3cb2 112
113
114}
115
116//_____________________________________________________________________________
117void AliTOFv1::BuildGeometry()
118{
119 //
120 // Build TOF ROOT geometry for the ALICE event display
121 //
122 TNode *Node, *Top;
123 const int kColorTOF = 27;
124
125 // Find top TNODE
126 Top = gAlice->GetGeometry()->GetNode("alice");
127
128 // Position the different copies
129 const Float_t rTof =(fRmax+fRmin)/2;
130 const Float_t hTof = fRmax-fRmin;
131 const Int_t fNTof = 18;
132 const Float_t kPi = TMath::Pi();
133 const Float_t angle = 2*kPi/fNTof;
134 Float_t ang;
135
136 // Define TOF basic volume
137
138 char NodeName0[6], NodeName1[6], NodeName2[6];
139 char NodeName3[6], NodeName4[6], RotMatNum[6];
140
141 new TBRIK("S_TOF_C","TOF box","void",
142 120*0.5,hTof*0.5,fZlenC*0.5);
143 new TBRIK("S_TOF_B","TOF box","void",
144 120*0.5,hTof*0.5,fZlenB*0.5);
145 new TBRIK("S_TOF_A","TOF box","void",
146 120*0.5,hTof*0.5,fZlenA*0.5);
147
148 for (Int_t NodeNum=1;NodeNum<19;NodeNum++){
149
150 if (NodeNum<10) {
151 sprintf(RotMatNum,"rot50%i",NodeNum);
152 sprintf(NodeName0,"FTO00%i",NodeNum);
153 sprintf(NodeName1,"FTO10%i",NodeNum);
154 sprintf(NodeName2,"FTO20%i",NodeNum);
155 sprintf(NodeName3,"FTO30%i",NodeNum);
156 sprintf(NodeName4,"FTO40%i",NodeNum);
157 }
158 if (NodeNum>9) {
159 sprintf(RotMatNum,"rot5%i",NodeNum);
160 sprintf(NodeName0,"FTO0%i",NodeNum);
161 sprintf(NodeName1,"FTO1%i",NodeNum);
162 sprintf(NodeName2,"FTO2%i",NodeNum);
163 sprintf(NodeName3,"FTO3%i",NodeNum);
164 sprintf(NodeName4,"FTO4%i",NodeNum);
165 }
166
167 new TRotMatrix(RotMatNum,RotMatNum,90,-20*NodeNum,90,90-20*NodeNum,0,0);
168 ang = (4.5-NodeNum) * angle;
169
170 Top->cd();
171 Node = new TNode(NodeName0,NodeName0,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),299.15,RotMatNum);
172 Node->SetLineColor(kColorTOF);
173 fNodes->Add(Node);
174
175 Top->cd();
176 Node = new TNode(NodeName1,NodeName1,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-299.15,RotMatNum);
177 Node->SetLineColor(kColorTOF);
178 fNodes->Add(Node);
179
180 Top->cd();
181 Node = new TNode(NodeName2,NodeName2,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),146.45,RotMatNum);
182 Node->SetLineColor(kColorTOF);
183 fNodes->Add(Node);
184
185 Top->cd();
186 Node = new TNode(NodeName3,NodeName3,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-146.45,RotMatNum);
187 Node->SetLineColor(kColorTOF);
188 fNodes->Add(Node);
189
190if (NodeNum<8 || NodeNum>12) {
191 Top->cd();
192 Node = new TNode(NodeName4,NodeName4,"S_TOF_A",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),0.,RotMatNum);
193 Node->SetLineColor(kColorTOF);
194 fNodes->Add(Node);
195 } // Modules A which are not to be installed for PHOS holes.
196 }
fe4da5cc 197}
2cef3cb2 198
199
fe4da5cc 200
201//_____________________________________________________________________________
202void AliTOFv1::CreateGeometry()
203{
204 //
3fe3a833 205 // Create geometry for Time Of Flight version 0
206 //
fe4da5cc 207 //Begin_Html
208 /*
1439f98e 209 <img src="picts/AliTOFv1.gif">
fe4da5cc 210 */
211 //End_Html
212 //
937fe4a4 213 // Creates common geometry
fe4da5cc 214 //
3fe3a833 215 AliTOF::CreateGeometry();
216}
217
218//_____________________________________________________________________________
2cef3cb2 219void AliTOFv1::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
220 Float_t zlenB, Float_t zlenA, Float_t ztof0)
3fe3a833 221{
fe4da5cc 222 //
3fe3a833 223 // Definition of the Time Of Fligh Resistive Plate Chambers
937fe4a4 224 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
3fe3a833 225
2cef3cb2 226 Float_t ycoor, zcoor;
227 Float_t par[10];
228 Int_t *idtmed = fIdtmed->GetArray()-499;
229 Int_t idrotm[100];
230 Int_t nrot = 0;
231 Float_t hTof = fRmax-fRmin;
3fe3a833 232
2cef3cb2 233 Float_t Radius = fRmin+2.;//cm
937fe4a4 234
2cef3cb2 235 par[0] = xtof * 0.5;
236 par[1] = ytof * 0.5;
237 par[2] = zlenC * 0.5;
238 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
239 par[2] = zlenB * 0.5;
240 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
241 par[2] = zlenA * 0.5;
242 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
937fe4a4 243
244
245// Positioning of modules
246
2cef3cb2 247 Float_t zcor1 = ztof0 - zlenC*0.5;
248 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
937fe4a4 249 Float_t zcor3 = 0.;
250
2cef3cb2 251 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
252 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
253 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
254 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
255 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
256 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
257 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
258 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
259
260 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
261 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
262 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
263 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
264 gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
265 gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
266
267 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
268 gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
269
270 Float_t db = 0.5;//cm
271 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
272
273 xFLT = fStripLn;
274 yFLT = ytof;
275 zFLTA = zlenA;
276 zFLTB = zlenB;
277 zFLTC = zlenC;
937fe4a4 278
2cef3cb2 279 xFST = xFLT-fDeadBndX*2;//cm
937fe4a4 280
937fe4a4 281// Sizes of MRPC pads
282
2cef3cb2 283 Float_t yPad = 0.505;//cm
3fe3a833 284
937fe4a4 285// Large not sensitive volumes with CO2
2cef3cb2 286 par[0] = xFLT*0.5;
287 par[1] = yFLT*0.5;
937fe4a4 288
3fe3a833 289 cout <<"************************* TOF geometry **************************"<<endl;
937fe4a4 290
2cef3cb2 291 par[2] = (zFLTA *0.5);
292 gMC->Gsvolu("FLTA", "BOX ", idtmed[506], par, 3); // CO2
293 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
937fe4a4 294
2cef3cb2 295 par[2] = (zFLTB * 0.5);
296 gMC->Gsvolu("FLTB", "BOX ", idtmed[506], par, 3); // CO2
297 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
937fe4a4 298
2cef3cb2 299 par[2] = (zFLTC * 0.5);
300 gMC->Gsvolu("FLTC", "BOX ", idtmed[506], par, 3); // CO2
301 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
937fe4a4 302
3fe3a833 303////////// Layers before detector ////////////////////
937fe4a4 304
2cef3cb2 305// MYlar layer in front 1.0 mm thick at the beginning
3fe3a833 306 par[0] = -1;
2cef3cb2 307 par[1] = 0.1;//cm
3fe3a833 308 par[2] = -1;
937fe4a4 309 ycoor = -yFLT/2 + par[1];
2cef3cb2 310 gMC->Gsvolu("FMYA", "BOX ", idtmed[508], par, 3); // Alluminium
311 gMC->Gspos ("FMYA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
312 gMC->Gsvolu("FMYB", "BOX ", idtmed[508], par, 3); // Alluminium
313 gMC->Gspos ("FMYB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
314 gMC->Gsvolu("FMYC", "BOX ", idtmed[508], par, 3); // Alluminium
315 gMC->Gspos ("FMYC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
316
317// honeycomb (special Polyethilene Layer of 1cm)
3fe3a833 318 ycoor = ycoor + par[1];
319 par[0] = -1;
2cef3cb2 320 par[1] = 0.5;//cm
3fe3a833 321 par[2] = -1;
322 ycoor = ycoor + par[1];
2cef3cb2 323 gMC->Gsvolu("FPLA", "BOX ", idtmed[503], par, 3); // Hony
324 gMC->Gspos ("FPLA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
325 gMC->Gsvolu("FPLB", "BOX ", idtmed[503], par, 3); // Hony
326 gMC->Gspos ("FPLB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
327 gMC->Gsvolu("FPLC", "BOX ", idtmed[503], par, 3); // Hony
328 gMC->Gspos ("FPLC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
937fe4a4 329
3fe3a833 330///////////////// Detector itself //////////////////////
937fe4a4 331
2cef3cb2 332 const Float_t DeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
333 //and the boundary of the strip
334 const Int_t nx = fNpadX; // number of pads along x
335 const Int_t nz = fNpadZ; // number of pads along z
336 const Float_t Space = fSpace; //cm distance from the front plate of the box
937fe4a4 337
2cef3cb2 338 Float_t zSenStrip = fZpad*fNpadZ;//cm
339 Float_t StripWidth = zSenStrip + 2*DeadBound;
937fe4a4 340
2cef3cb2 341 par[0] = xFLT*0.5;
342 par[1] = yPad*0.5;
343 par[2] = StripWidth*0.5;
937fe4a4 344
2cef3cb2 345 // glass layer of detector STRip
937fe4a4 346 gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3);
347
2cef3cb2 348 // Non-Sesitive Freon boundaries
349 par[0] = xFLT*0.5;
350 par[1] = 0.110*0.5;//cm
3fe3a833 351 par[2] = -1;
937fe4a4 352 gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3);
2cef3cb2 353 gMC->Gspos ("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY");
354
355 // MYlar for Internal non-sesitive boundaries
356// par[1] = 0.025;//cm
357// gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3);
358// gMC->Gspos ("FMYI",0,"FNSF",0.,0.,0.,0,"MANY");
359
360 // MYlar eXternal layers
361 par[1] = 0.035*0.5;//cm
362 ycoor = -yPad*0.5+par[1];
937fe4a4 363 gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3);
2cef3cb2 364 gMC->Gspos ("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY");
365 gMC->Gspos ("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
937fe4a4 366 ycoor += par[1];
367
2cef3cb2 368 // GRaphyte Layers
369 par[1] = 0.003*0.5;
937fe4a4 370 ycoor += par[1];
371 gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3);
2cef3cb2 372 gMC->Gspos ("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY");
373 gMC->Gspos ("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY");
937fe4a4 374
2cef3cb2 375 // freon sensitive layer (Chlorine-Fluorine-Carbon)
376 par[0] = xFST*0.5;
377 par[1] = 0.110*0.5;
378 par[2] = zSenStrip*0.5;
937fe4a4 379 gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3);
2cef3cb2 380 gMC->Gspos ("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY");
937fe4a4 381
382 // Pad definition x & z
383 gMC->Gsdvn("FLZ","FCFC", nz, 3);
384 gMC->Gsdvn("FLX","FLZ" , nx, 1);
385
2cef3cb2 386 // MRPC PAD itself
3fe3a833 387 par[0] = -1;
937fe4a4 388 par[1] = -1;
3fe3a833 389 par[2] = -1;
937fe4a4 390 gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3);
2cef3cb2 391 gMC->Gspos ("FPAD", 0, "FLX", 0., 0., 0., 0, "ONLY");
937fe4a4 392
393//// Positioning the Strips (FSTR) in the FLT volumes /////
394
2cef3cb2 395 // Plate A (Central)
396
397 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
398
399 Float_t Gap = fGapA; //cm distance between the strip axis
937fe4a4 400 Float_t zpos = 0;
2cef3cb2 401 Float_t ang = 0;
937fe4a4 402 Int_t i=1,j=1;
2cef3cb2 403 nrot = 0;
404 zcoor = 0;
405 ycoor = -14.5 + Space ; //2 cm over front plate
406
407 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
408 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
409
410 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
411 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
412
413 zcoor -= zSenStrip;
414 j++;
415 Int_t UpDown = -1; // UpDown=-1 -> Upper strip
416 // UpDown=+1 -> Lower strip
937fe4a4 417 do{
2cef3cb2 418 ang = atan(zcoor/Radius);
419 ang *= kRaddeg;
00e5f8d9 420 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
2cef3cb2 421 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
422 ang /= kRaddeg;
937fe4a4 423 ycoor = -14.5+ Space; //2 cm over front plate
424 ycoor += (1-(UpDown+1)/2)*Gap;
2cef3cb2 425 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
426 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
427
428 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
429 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
430
431 j += 2;
937fe4a4 432 UpDown*= -1; // Alternate strips
2cef3cb2 433 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
434 UpDown*Gap*TMath::Tan(ang)-
435 (zSenStrip/2)/TMath::Cos(ang);
436 } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
937fe4a4 437
2cef3cb2 438 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
439 UpDown*Gap*TMath::Tan(ang)+
440 (zSenStrip/2)/TMath::Cos(ang);
441
442 Gap = fGapB;
443 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
444 UpDown*Gap*TMath::Tan(ang)-
445 (zSenStrip/2)/TMath::Cos(ang);
446
447 ang = atan(zcoor/Radius);
448 ang *= kRaddeg;
449 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
450 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
451 ang /= kRaddeg;
452
453 ycoor = -14.5+ Space; //2 cm over front plate
454 ycoor += (1-(UpDown+1)/2)*Gap;
455 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
456 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
457
458 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
459 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
460
461 ycoor = -hTof/2.+ Space;//2 cm over front plate
462
463 // Plate B
937fe4a4 464
937fe4a4 465 nrot = 0;
466 i=1;
2cef3cb2 467 UpDown = 1;
468 Float_t DeadRegion = 1.0;//cm
469
470 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
471 UpDown*Gap*TMath::Tan(ang)-
472 (zSenStrip/2)/TMath::Cos(ang)-
473 DeadRegion/TMath::Cos(ang);
474
475 ang = atan(zpos/Radius);
476 ang *= kRaddeg;
477 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
478 ang /= kRaddeg;
479 ycoor = -hTof*0.5+ Space ; //2 cm over front plate
480 ycoor += (1-(UpDown+1)/2)*Gap;
481 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
482 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
483
484 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
485 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
486
487 i++;
488 UpDown*=-1;
937fe4a4 489
490 do {
2cef3cb2 491 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
492 UpDown*Gap*TMath::Tan(ang)-
493 (zSenStrip/2)/TMath::Cos(ang);
494 ang = atan(zpos/Radius);
495 ang *= kRaddeg;
00e5f8d9 496 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
2cef3cb2 497 ang /= kRaddeg;
498 ycoor = -hTof*0.5+ Space ; //2 cm over front plate
937fe4a4 499 ycoor += (1-(UpDown+1)/2)*Gap;
2cef3cb2 500 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
501 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
502
503 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
504 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
505
937fe4a4 506 UpDown*=-1;
2cef3cb2 507 i++;
508 } while (TMath::Abs(ang*kRaddeg)<22.5);
509 //till we reach a tilting angle of 22.5 degrees
510
511 ycoor = -hTof*0.5+ Space ; //2 cm over front plate
512 zpos = zpos - zSenStrip/TMath::Cos(ang);
513
514 do {
515 ang = atan(zpos/Radius);
516 ang *= kRaddeg;
517 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
518 ang /= kRaddeg;
519 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
520 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
521 zpos = zpos - zSenStrip/TMath::Cos(ang);
522 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
523 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
524 i++;
525
526 } while (zpos-StripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
527
528 // Plate C
529
530 zpos = zpos + zSenStrip/TMath::Cos(ang);
531
532 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
533 Gap*TMath::Tan(ang)-
534 (zSenStrip/2)/TMath::Cos(ang);
535
937fe4a4 536 nrot = 0;
537 i=0;
2cef3cb2 538 ycoor= -hTof*0.5+Space+Gap;
937fe4a4 539
2cef3cb2 540 do {
937fe4a4 541 i++;
2cef3cb2 542 ang = atan(zpos/Radius);
543 ang *= kRaddeg;
544 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
545 ang /= kRaddeg;
546 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
547 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
548
549 printf("%f, St. %2i, Pl.5 ",ang*kRaddeg,i);
550 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
937fe4a4 551
937fe4a4 552 zpos = zpos - zSenStrip/TMath::Cos(ang);
2cef3cb2 553 } while (zpos-StripWidth*TMath::Cos(ang)*0.5>-t);
554
937fe4a4 555
556////////// Layers after detector /////////////////
557
2cef3cb2 558// honeycomb (Polyethilene) Layer after (3cm)
937fe4a4 559
2cef3cb2 560 Float_t OverSpace = fOverSpc;//cm
937fe4a4 561
3fe3a833 562 par[0] = -1;
937fe4a4 563 par[1] = 0.6;
3fe3a833 564 par[2] = -1;
937fe4a4 565 ycoor = -yFLT/2 + OverSpace + par[1];
2cef3cb2 566 gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
567 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
568 gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
569 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
570 gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
571 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
937fe4a4 572
573// Electronics (Cu) after
574 ycoor += par[1];
3fe3a833 575 par[0] = -1;
2cef3cb2 576 par[1] = 1.43*0.05*0.5; // 5% of X0
3fe3a833 577 par[2] = -1;
937fe4a4 578 ycoor += par[1];
2cef3cb2 579 gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
580 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
581 gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
582 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
583 gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
584 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
585
586// cooling WAter after
937fe4a4 587 ycoor += par[1];
3fe3a833 588 par[0] = -1;
2cef3cb2 589 par[1] = 36.1*0.02*0.5; // 2% of X0
3fe3a833 590 par[2] = -1;
937fe4a4 591 ycoor += par[1];
2cef3cb2 592 gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
593 gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
594 gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
595 gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
596 gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
597 gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
598
599//Back Plate honycomb (2cm)
3fe3a833 600 par[0] = -1;
2cef3cb2 601 par[1] = 2 *0.5;
3fe3a833 602 par[2] = -1;
937fe4a4 603 ycoor = yFLT/2 - par[1];
2cef3cb2 604 gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
605 gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
606 gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
607 gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
608 gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
609 gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
fe4da5cc 610}
3fe3a833 611
fe4da5cc 612//_____________________________________________________________________________
8f72dc0c 613void AliTOFv1::DrawModule()
fe4da5cc 614{
615 //
616 // Draw a shaded view of the Time Of Flight version 1
617 //
fe4da5cc 618 // Set everything unseen
cfce8870 619 gMC->Gsatt("*", "seen", -1);
fe4da5cc 620 //
621 // Set ALIC mother transparent
cfce8870 622 gMC->Gsatt("ALIC","SEEN",0);
fe4da5cc 623 //
624 // Set the volumes visible
3fe3a833 625 gMC->Gsatt("ALIC","SEEN",0);
2cef3cb2 626
627 gMC->Gsatt("FTOA","SEEN",1);
628 gMC->Gsatt("FTOB","SEEN",1);
629 gMC->Gsatt("FTOC","SEEN",1);
630 gMC->Gsatt("FLTA","SEEN",1);
631 gMC->Gsatt("FLTB","SEEN",1);
632 gMC->Gsatt("FLTC","SEEN",1);
633 gMC->Gsatt("FPLA","SEEN",1);
634 gMC->Gsatt("FPLB","SEEN",1);
635 gMC->Gsatt("FPLC","SEEN",1);
636 gMC->Gsatt("FSTR","SEEN",1);
637 gMC->Gsatt("FPEA","SEEN",1);
638 gMC->Gsatt("FPEB","SEEN",1);
639 gMC->Gsatt("FPEC","SEEN",1);
640
641 gMC->Gsatt("FLZ1","SEEN",0);
642 gMC->Gsatt("FLZ2","SEEN",0);
643 gMC->Gsatt("FLZ3","SEEN",0);
644 gMC->Gsatt("FLX1","SEEN",0);
645 gMC->Gsatt("FLX2","SEEN",0);
646 gMC->Gsatt("FLX3","SEEN",0);
647 gMC->Gsatt("FPAD","SEEN",0);
648
cfce8870 649 gMC->Gdopt("hide", "on");
650 gMC->Gdopt("shad", "on");
651 gMC->Gsatt("*", "fill", 7);
652 gMC->SetClipBox(".");
653 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
654 gMC->DefaultRange();
655 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
656 gMC->Gdhead(1111, "Time Of Flight");
657 gMC->Gdman(18, 4, "MAN");
658 gMC->Gdopt("hide","off");
fe4da5cc 659}
660
3fe3a833 661//_____________________________________________________________________________
fe4da5cc 662void AliTOFv1::CreateMaterials()
663{
664 //
3fe3a833 665 // Define materials for the Time Of Flight
fe4da5cc 666 //
667 AliTOF::CreateMaterials();
668}
669
3fe3a833 670//_____________________________________________________________________________
fe4da5cc 671void AliTOFv1::Init()
672{
673 //
3fe3a833 674 // Initialise the detector after the geometry has been defined
675 //
ab76897d 676 printf("**************************************"
677 " TOF "
678 "**************************************\n");
2cef3cb2 679 printf("\n Version 1 of TOF initialing, "
680 "TOF with holes for PHOS detector\n");
ab76897d 681
fe4da5cc 682 AliTOF::Init();
ab76897d 683
2cef3cb2 684 fIdFTOA = gMC->VolId("FTOA");
685 fIdFTOB = gMC->VolId("FTOB");
686 fIdFTOC = gMC->VolId("FTOC");
687 fIdFLTA = gMC->VolId("FLTA");
688 fIdFLTB = gMC->VolId("FLTB");
689 fIdFLTC = gMC->VolId("FLTC");
ab76897d 690
691 printf("**************************************"
692 " TOF "
693 "**************************************\n");
fe4da5cc 694}
695
3fe3a833 696//_____________________________________________________________________________
fe4da5cc 697void AliTOFv1::StepManager()
698{
3fe3a833 699 //
700 // Procedure called at each step in the Time Of Flight
701 //
0a6d8768 702 TLorentzVector mom, pos;
2cef3cb2 703 Float_t xm[3],pm[3],xpad[3],ppad[3];
704 Float_t hits[13],phi,phid,z;
705 Int_t vol[5];
706 Int_t sector, plate, pad_x, pad_z, strip;
707 Int_t copy, pad_z_id, pad_x_id, strip_id, i;
708 Int_t *idtmed = fIdtmed->GetArray()-499;
709 Float_t IncidenceAngle;
826b71ec 710
711 if(gMC->GetMedium()==idtmed[513] &&
0a6d8768 712 gMC->IsTrackEntering() && gMC->TrackCharge()
826b71ec 713 && gMC->CurrentVolID(copy)==fIdSens)
2cef3cb2 714 {
715 // getting information about hit volumes
826b71ec 716
717 pad_z_id=gMC->CurrentVolOffID(2,copy);
718 pad_z=copy;
719
720 pad_x_id=gMC->CurrentVolOffID(1,copy);
721 pad_x=copy;
722
723 strip_id=gMC->CurrentVolOffID(5,copy);
724 strip=copy;
725
0a6d8768 726 gMC->TrackPosition(pos);
727 gMC->TrackMomentum(mom);
826b71ec 728
2cef3cb2 729// Double_t NormPos=1./pos.Rho();
730 Double_t NormMom=1./mom.Rho();
731
732// getting the cohordinates in pad ref system
733 xm[0] = (Float_t)pos.X();
734 xm[1] = (Float_t)pos.Y();
735 xm[2] = (Float_t)pos.Z();
736
737 pm[0] = (Float_t)mom.X()*NormMom;
738 pm[1] = (Float_t)mom.Y()*NormMom;
739 pm[2] = (Float_t)mom.Z()*NormMom;
740
741 gMC->Gmtod(xm,xpad,1);
742 gMC->Gmtod(pm,ppad,2);
743
744 IncidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
826b71ec 745
746 z = pos[2];
2cef3cb2 747
748 plate = 0;
749 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
750 if (z < (fZlenA*0.5+fZlenB) &&
751 z > fZlenA*0.5) plate = 4;
752 if (z >-(fZlenA*0.5+fZlenB) &&
753 z < -fZlenA*0.5) plate = 2;
754 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
755 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
756
757 phi = pos.Phi();
758 phid = phi*kRaddeg+180.;
826b71ec 759 sector = Int_t (phid/20.);
760 sector++;
761
0a6d8768 762 for(i=0;i<3;++i) {
2cef3cb2 763 hits[i] = pos[i];
764 hits[i+3] = pm[i];
0a6d8768 765 }
2cef3cb2 766
767 hits[6] = mom.Rho();
768 hits[7] = pos[3];
769 hits[8] = xpad[0];
770 hits[9] = xpad[1];
771 hits[10]= xpad[2];
772 hits[11]= IncidenceAngle;
773 hits[12]= gMC->Edep();
774
775 vol[0]= sector;
776 vol[1]= plate;
777 vol[2]= strip;
778 vol[3]= pad_x;
779 vol[4]= pad_z;
780
781 AddHit(gAlice->CurrentTrack(),vol, hits);
fe4da5cc 782 }
783}
3fe3a833 784