1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 Revision 1.7 2000/10/02 21:28:17 fca
19 Removal of useless dependecies via forward declarations
21 Revision 1.6 2000/05/10 16:52:18 vicinanz
22 New TOF version with holes for PHOS/RICH
24 Revision 1.4.2.1 2000/05/10 09:37:16 vicinanz
25 New version with Holes for PHOS/RICH
27 Revision 1.14 1999/11/05 22:39:06 fca
30 Revision 1.13 1999/11/02 11:26:39 fca
31 added stdlib.h for exit
33 Revision 1.12 1999/11/01 20:41:57 fca
34 Added protections against using the wrong version of FRAME
36 Revision 1.11 1999/10/22 08:04:14 fca
37 Correct improper use of negative parameters
39 Revision 1.10 1999/10/16 19:30:06 fca
40 Corrected Rotation Matrix and CVS log
42 Revision 1.9 1999/10/15 15:35:20 fca
43 New version for frame1099 with and without holes
45 Revision 1.8 1999/09/29 09:24:33 fca
46 Introduction of the Copyright and cvs Log
50 ///////////////////////////////////////////////////////////////////////////////
52 // Time Of Flight: design of C.Williams
54 // This class contains the functions for version 1 of the Time Of Flight //
57 // VERSION WITH 5 MODULES AND TILTED STRIPS
59 // FULL COVERAGE VERSION
66 // University of Salerno - Italy
71 <img src="picts/AliTOFv4Class.gif">
75 ///////////////////////////////////////////////////////////////////////////////
82 #include "TGeometry.h"
84 #include <TLorentzVector.h>
93 //_____________________________________________________________________________
97 // Default constructor
101 //_____________________________________________________________________________
102 AliTOFv4::AliTOFv4(const char *name, const char *title)
106 // Standard constructor
109 // Check that FRAME is there otherwise we have no place where to
111 AliModule* FRAME=gAlice->GetModule("FRAME");
113 Error("Ctor","TOF needs FRAME to be present\n");
116 if(FRAME->IsVersion()!=1) {
117 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
123 //_____________________________________________________________________________
124 void AliTOFv4::BuildGeometry()
127 // Build TOF ROOT geometry for the ALICE event display
130 const int kColorTOF = 27;
133 Top = gAlice->GetGeometry()->GetNode("alice");
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;
143 // Define TOF basic volume
145 char NodeName0[6], NodeName1[6], NodeName2[6];
146 char NodeName3[6], NodeName4[6], RotMatNum[6];
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);
155 for (Int_t NodeNum=1;NodeNum<19;NodeNum++){
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);
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);
174 new TRotMatrix(RotMatNum,RotMatNum,90,-20*NodeNum,90,90-20*NodeNum,0,0);
175 ang = (4.5-NodeNum) * angle;
178 Node = new TNode(NodeName0,NodeName0,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),299.15,RotMatNum);
179 Node->SetLineColor(kColorTOF);
183 Node = new TNode(NodeName1,NodeName1,"S_TOF_C",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-299.15,RotMatNum);
184 Node->SetLineColor(kColorTOF);
188 Node = new TNode(NodeName2,NodeName2,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),146.45,RotMatNum);
189 Node->SetLineColor(kColorTOF);
193 Node = new TNode(NodeName3,NodeName3,"S_TOF_B",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),-146.45,RotMatNum);
194 Node->SetLineColor(kColorTOF);
198 Node = new TNode(NodeName4,NodeName4,"S_TOF_A",rTof*TMath::Cos(ang),rTof*TMath::Sin(ang),0.,RotMatNum);
199 Node->SetLineColor(kColorTOF);
206 //_____________________________________________________________________________
207 void AliTOFv4::CreateGeometry()
210 // Create geometry for Time Of Flight version 0
214 <img src="picts/AliTOFv4.gif">
218 // Creates common geometry
220 AliTOF::CreateGeometry();
223 //_____________________________________________________________________________
224 void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
225 Float_t zlenB, Float_t zlenA, Float_t ztof0)
228 // Definition of the Time Of Fligh Resistive Plate Chambers
229 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
231 Float_t ycoor, zcoor;
233 Int_t *idtmed = fIdtmed->GetArray()-499;
236 Float_t hTof = fRmax-fRmin;
238 Float_t Radius = fRmin+2.;//cm
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);
250 // Positioning of modules
252 Float_t zcor1 = ztof0 - zlenC*0.5;
253 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
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");
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");
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");
276 Float_t db = 0.5;//cm
277 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
285 xFST = xFLT-fDeadBndX*2;//cm
287 // Sizes of MRPC pads
289 Float_t yPad = 0.505;//cm
291 // Large not sensitive volumes with CO2
295 cout <<"************************* TOF geometry **************************"<<endl;
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");
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");
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");
309 ////////// Layers before detector ////////////////////
311 // MYlar layer in front 1.0 mm thick at the beginning
315 ycoor = -yFLT/2 + par[1];
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");
323 // honeycomb (special Polyethilene Layer of 1cm)
324 ycoor = ycoor + par[1];
328 ycoor = ycoor + par[1];
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");
336 ///////////////// Detector itself //////////////////////
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
344 Float_t zSenStrip = fZpad*fNpadZ;//cm
345 Float_t StripWidth = zSenStrip + 2*DeadBound;
349 par[2] = StripWidth*0.5;
351 // glass layer of detector STRip
352 gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3);
354 // Non-Sesitive Freon boundaries
356 par[1] = 0.110*0.5;//cm
358 gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3);
359 gMC->Gspos ("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY");
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");
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");
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");
381 // freon sensitive layer (Chlorine-Fluorine-Carbon)
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");
388 // Pad definition x & z
389 gMC->Gsdvn("FLZ","FCFC", nz, 3);
390 gMC->Gsdvn("FLX","FLZ" , nx, 1);
396 gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3);
397 gMC->Gspos ("FPAD", 0, "FLX", 0., 0., 0., 0, "ONLY");
399 //// Positioning the Strips (FSTR) in the FLT volumes /////
403 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
405 Float_t Gap = fGapA; //cm distance between the strip axis
411 ycoor = -14.5 + Space ; //2 cm over front plate
413 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
414 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
416 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
417 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
421 Int_t UpDown = -1; // UpDown=-1 -> Upper strip
422 // UpDown=+1 -> Lower strip
424 ang = atan(zcoor/Radius);
426 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
427 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
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");
434 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
435 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
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);
444 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
445 UpDown*Gap*TMath::Tan(ang)+
446 (zSenStrip/2)/TMath::Cos(ang);
449 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
450 UpDown*Gap*TMath::Tan(ang)-
451 (zSenStrip/2)/TMath::Cos(ang);
453 ang = atan(zcoor/Radius);
455 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
456 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
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");
464 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
465 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
467 ycoor = -hTof/2.+ Space;//2 cm over front plate
474 Float_t DeadRegion = 1.0;//cm
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);
481 ang = atan(zpos/Radius);
483 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
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");
490 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
491 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
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);
502 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
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");
509 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
510 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
514 } while (TMath::Abs(ang*kRaddeg)<22.5);
515 //till we reach a tilting angle of 22.5 degrees
517 ycoor = -hTof*0.5+ Space ; //2 cm over front plate
518 zpos = zpos - zSenStrip/TMath::Cos(ang);
521 ang = atan(zpos/Radius);
523 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
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);
532 } while (zpos-StripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
536 zpos = zpos + zSenStrip/TMath::Cos(ang);
538 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
540 (zSenStrip/2)/TMath::Cos(ang);
544 ycoor= -hTof*0.5+Space+Gap;
548 ang = atan(zpos/Radius);
550 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
552 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
553 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
555 printf("%f, St. %2i, Pl.5 ",ang*kRaddeg,i);
556 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
558 zpos = zpos - zSenStrip/TMath::Cos(ang);
559 } while (zpos-StripWidth*TMath::Cos(ang)*0.5>-t);
562 ////////// Layers after detector /////////////////
564 // honeycomb (Polyethilene) Layer after (3cm)
566 Float_t OverSpace = fOverSpc;//cm
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");
579 // Electronics (Cu) after
582 par[1] = 1.43*0.05*0.5; // 5% of X0
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");
592 // cooling WAter after
595 par[1] = 36.1*0.02*0.5; // 2% of X0
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");
605 //Back Plate honycomb (2cm)
609 ycoor = yFLT/2 - par[1];
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");
618 //_____________________________________________________________________________
619 void AliTOFv4::DrawModule()
622 // Draw a shaded view of the Time Of Flight version 1
624 // Set everything unseen
625 gMC->Gsatt("*", "seen", -1);
627 // Set ALIC mother transparent
628 gMC->Gsatt("ALIC","SEEN",0);
630 // Set the volumes visible
631 gMC->Gsatt("ALIC","SEEN",0);
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);
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);
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);
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");
667 //_____________________________________________________________________________
668 void AliTOFv4::CreateMaterials()
671 // Define materials for the Time Of Flight
673 AliTOF::CreateMaterials();
676 //_____________________________________________________________________________
677 void AliTOFv4::Init()
680 // Initialise the detector after the geometry has been defined
682 printf("**************************************"
684 "**************************************\n");
685 printf("\n Version 4 of TOF initialing, "
686 "symmetric TOF - Full Coverage version\n");
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");
697 printf("**************************************"
699 "**************************************\n");
702 //_____________________________________________________________________________
703 void AliTOFv4::StepManager()
706 // Procedure called at each step in the Time Of Flight
708 TLorentzVector mom, pos;
709 Float_t xm[3],pm[3],xpad[3],ppad[3];
710 Float_t hits[13],phi,phid,z;
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;
717 if(gMC->GetMedium()==idtmed[513] &&
718 gMC->IsTrackEntering() && gMC->TrackCharge()
719 && gMC->CurrentVolID(copy)==fIdSens)
721 // getting information about hit volumes
723 pad_z_id=gMC->CurrentVolOffID(2,copy);
726 pad_x_id=gMC->CurrentVolOffID(1,copy);
729 strip_id=gMC->CurrentVolOffID(5,copy);
732 gMC->TrackPosition(pos);
733 gMC->TrackMomentum(mom);
735 // Double_t NormPos=1./pos.Rho();
736 Double_t NormMom=1./mom.Rho();
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();
743 pm[0] = (Float_t)mom.X()*NormMom;
744 pm[1] = (Float_t)mom.Y()*NormMom;
745 pm[2] = (Float_t)mom.Z()*NormMom;
747 gMC->Gmtod(xm,xpad,1);
748 gMC->Gmtod(pm,ppad,2);
750 IncidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
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;
764 phid = phi*kRaddeg+180.;
765 sector = Int_t (phid/20.);
778 hits[11]= IncidenceAngle;
779 hits[12]= gMC->Edep();
787 AddHit(gAlice->CurrentTrack(),vol, hits);