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 1.23 2001/09/27 10:39:20 vicinanz
19 SDigitizer and Merger added
21 Revision 1.22 2001/09/20 15:54:22 vicinanz
22 Updated Strip Structure (Double Stack)
24 Revision 1.21 2001/08/28 08:45:59 vicinanz
25 TTask and TFolder structures implemented
27 Revision 1.9 2001/05/04 10:09:48 vicinanz
28 Major upgrades to the strip structure
30 Revision 1.8 2000/12/04 08:48:20 alibrary
31 Fixing problems in the HEAD
33 Revision 1.7 2000/10/02 21:28:17 fca
34 Removal of useless dependecies via forward declarations
36 Revision 1.6 2000/05/10 16:52:18 vicinanz
37 New TOF version with holes for PHOS/RICH
39 Revision 1.4.2.1 2000/05/10 09:37:16 vicinanz
40 New version with Holes for PHOS/RICH
42 Revision 1.14 1999/11/05 22:39:06 fca
45 Revision 1.13 1999/11/02 11:26:39 fca
46 added stdlib.h for exit
48 Revision 1.12 1999/11/01 20:41:57 fca
49 Added protections against using the wrong version of FRAME
51 Revision 1.11 1999/10/22 08:04:14 fca
52 Correct improper use of negative parameters
54 Revision 1.10 1999/10/16 19:30:06 fca
55 Corrected Rotation Matrix and CVS log
57 Revision 1.9 1999/10/15 15:35:20 fca
58 New version for frame1099 with and without holes
60 Revision 1.8 1999/09/29 09:24:33 fca
61 Introduction of the Copyright and cvs Log
65 ///////////////////////////////////////////////////////////////////////////////
67 // Time Of Flight: design of C.Williams //
69 // This class contains the functions for version 0 of the Time Of Flight //
72 // VERSION WITH 5 MODULES AND TILTED STRIPS
73 // NO HITS DEFINED BY DEFAULT FOR THIS VERSION
74 // FULL COVERAGE VERSION
81 // University of Salerno - Italy
84 // University of Bologna - Italy
89 <img src="picts/AliTOFv0Class.gif">
93 ///////////////////////////////////////////////////////////////////////////////
100 #include "TGeometry.h"
102 #include <TLorentzVector.h>
106 #include "AliConst.h"
111 //_____________________________________________________________________________
115 // Default constructor
119 //_____________________________________________________________________________
120 AliTOFv0::AliTOFv0(const char *name, const char *title)
124 // Standard constructor
127 // Check that FRAME is there otherwise we have no place where to
129 AliModule* frame=gAlice->GetModule("FRAME");
131 Error("Ctor","TOF needs FRAME to be present\n");
134 if(frame->IsVersion()!=1) {
135 Error("Ctor","FRAME version 1 needed with this version of TOF\n");
141 //____________________________________________________________________________
143 void AliTOFv0::BuildGeometry()
146 // Build TOF ROOT geometry for the ALICE event display
149 const int kColorTOF = 27;
152 top = gAlice->GetGeometry()->GetNode("alice");
154 // Position the different copies
155 const Float_t krTof =(fRmax+fRmin)/2;
156 const Float_t khTof = fRmax-fRmin;
157 const Int_t kNTof = fNTof;
158 const Float_t kPi = TMath::Pi();
159 const Float_t kangle = 2*kPi/kNTof;
162 // Define TOF basic volume
164 char nodeName0[7], nodeName1[7], nodeName2[7];
165 char nodeName3[7], nodeName4[7], rotMatNum[7];
167 new TBRIK("S_TOF_C","TOF box","void",
168 120*0.5,khTof*0.5,fZlenC*0.5);
169 new TBRIK("S_TOF_B","TOF box","void",
170 120*0.5,khTof*0.5,fZlenB*0.5);
171 new TBRIK("S_TOF_A","TOF box","void",
172 120*0.5,khTof*0.5,fZlenA*0.5);
174 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
177 sprintf(rotMatNum,"rot50%i",nodeNum);
178 sprintf(nodeName0,"FTO00%i",nodeNum);
179 sprintf(nodeName1,"FTO10%i",nodeNum);
180 sprintf(nodeName2,"FTO20%i",nodeNum);
181 sprintf(nodeName3,"FTO30%i",nodeNum);
182 sprintf(nodeName4,"FTO40%i",nodeNum);
185 sprintf(rotMatNum,"rot5%i",nodeNum);
186 sprintf(nodeName0,"FTO0%i",nodeNum);
187 sprintf(nodeName1,"FTO1%i",nodeNum);
188 sprintf(nodeName2,"FTO2%i",nodeNum);
189 sprintf(nodeName3,"FTO3%i",nodeNum);
190 sprintf(nodeName4,"FTO4%i",nodeNum);
193 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
194 ang = (4.5-nodeNum) * kangle;
197 node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),299.15,rotMatNum);
198 node->SetLineColor(kColorTOF);
202 node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-299.15,rotMatNum);
203 node->SetLineColor(kColorTOF);
207 node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),146.45,rotMatNum);
208 node->SetLineColor(kColorTOF);
212 node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-146.45,rotMatNum);
213 node->SetLineColor(kColorTOF);
217 node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),0.,rotMatNum);
218 node->SetLineColor(kColorTOF);
220 } // end loop on nodeNum
225 //_____________________________________________________________________________
226 void AliTOFv0::CreateGeometry()
229 // Create geometry for Time Of Flight version 0
233 <img src="picts/AliTOFv0.gif">
237 // Creates common geometry
239 AliTOF::CreateGeometry();
242 //_____________________________________________________________________________
243 void AliTOFv0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
244 Float_t zlenB, Float_t zlenA, Float_t ztof0)
247 // Definition of the Time Of Fligh Resistive Plate Chambers
248 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
250 Float_t ycoor, zcoor;
252 Int_t *idtmed = fIdtmed->GetArray()-499;
255 Float_t hTof = fRmax-fRmin;
257 Float_t radius = fRmin+2.;//cm
261 par[2] = zlenC * 0.5;
262 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
263 par[2] = zlenB * 0.5;
264 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
265 par[2] = zlenA * 0.5;
266 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
269 // Positioning of modules
271 Float_t zcor1 = ztof0 - zlenC*0.5;
272 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
275 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
276 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
277 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
278 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
279 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
280 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
281 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
282 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
284 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
285 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
286 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
287 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
288 gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
289 gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
291 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
292 gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
293 gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
295 Float_t db = 0.5;//cm
296 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
304 xFST = xFLT-fDeadBndX*2;//cm
306 // Sizes of MRPC pads
308 Float_t yPad = 0.505;//cm
310 // Large not sensitive volumes with Insensitive Freon
314 cout <<"************************* TOF geometry **************************"<<endl;
316 par[2] = (zFLTA *0.5);
317 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
318 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
320 par[2] = (zFLTB * 0.5);
321 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
322 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
324 par[2] = (zFLTC * 0.5);
325 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
326 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
328 ////////// Layers of Aluminum before and after detector //////////
329 ////////// Aluminum Box for Modules (2.0 mm thickness) /////////
330 ////////// lateral walls not simulated
333 ycoor = -yFLT/2 + par[1];
334 par[2] = (zFLTA *0.5);
335 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
336 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
337 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
338 par[2] = (zFLTB *0.5);
339 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
340 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
341 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
342 par[2] = (zFLTC *0.5);
343 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
344 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
345 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
347 ///////////////// Detector itself //////////////////////
348 const Float_t kdeadBound = fDeadBndZ; //cm non-sensitive between the pad edge
349 //and the boundary of the strip
350 const Int_t knx = fNpadX; // number of pads along x
351 const Int_t knz = fNpadZ; // number of pads along z
352 const Float_t kspace = fSpace; //cm distance from the front plate of the box
354 Float_t zSenStrip = fZpad*fNpadZ;//cm
355 Float_t stripWidth = zSenStrip + 2*kdeadBound;
358 par[2] = stripWidth*0.5;
360 // new description for strip volume -double stack strip-
361 // -- all constants are expressed in cm
362 // heigth of different layers
363 const Float_t khhony = 1. ; // heigth of HONY Layer
364 const Float_t khpcby = 0.15 ; // heigth of PCB Layer
365 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
366 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
367 const Float_t khglasseiy = 0.17; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
368 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
369 const Float_t kwsensmz = 2*3.5 ; // cm
370 const Float_t klsensmx = 48*2.5; // cm
371 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
372 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
374 // heigth of the FSTR Volume (the strip volume)
375 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
376 // width of the FSTR Volume (the strip volume)
377 const Float_t kwstripz = 10.;
378 // length of the FSTR Volume (the strip volume)
379 const Float_t klstripx = 122.;
381 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
382 // coordinates of the strip center in the strip reference frame; used for positioning
383 // internal strip volumes
384 Float_t posfp[3]={0.,0.,0.};
387 // FSTR volume definition and filling this volume with non sensitive Gas Mixture
388 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
389 //-- HONY Layer definition
391 parfp[1] = khhony*0.5;
393 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
394 // positioning 2 HONY Layers on FSTR volume
396 posfp[1]=-khstripy*0.5+parfp[1];
397 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
398 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
400 //-- PCB Layer definition
401 parfp[1] = khpcby*0.5;
402 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
403 // positioning 2 PCB Layers on FSTR volume
404 posfp[1]=-khstripy*0.5+khhony+parfp[1];
405 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
406 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
407 // positioning the central PCB layer
408 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
412 //-- MYLAR Layer definition
413 parfp[1] = khmyly*0.5;
414 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
415 // positioning 2 MYLAR Layers on FSTR volume
416 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
417 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
418 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
419 // adding further 2 MYLAR Layers on FSTR volume
420 posfp[1] = khpcby*0.5+parfp[1];
421 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
422 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
425 //-- Graphite Layer definition
426 parfp[1] = khgraphy*0.5;
427 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
428 // positioning 2 Graphite Layers on FSTR volume
429 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
430 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
431 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
432 // adding further 2 Graphite Layers on FSTR volume
433 posfp[1] = khpcby*0.5+khmyly+parfp[1];
434 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
435 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
438 //-- Glass (EXT. +Semi INT.) Layer definition
439 parfp[1] = khglasseiy*0.5;
440 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
441 // positioning 2 Glass Layers on FSTR volume
442 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
443 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
444 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
445 // adding further 2 Glass Layers on FSTR volume
446 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
447 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
448 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
451 //-- Sensitive Mixture Layer definition
452 parfp[0] = klsensmx*0.5;
453 parfp[1] = khsensmy*0.5;
454 parfp[2] = kwsensmz*0.5;
455 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
456 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
457 // positioning 2 gas Layers on FSTR volume
458 // the upper is insensitive freon
459 // while the remaining is sensitive
460 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
461 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
462 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
464 // dividing FSEN along z in knz=2 and along x in knx=48
465 gMC->Gsdvn("FSEZ","FSEN",knz,3);
466 gMC->Gsdvn("FSEX","FSEZ",knx,1);
468 // FPAD volume definition
469 parfp[0] = klpadx*0.5;
470 parfp[1] = khsensmy*0.5;
471 parfp[2] = kwpadz*0.5;
472 gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
473 // positioning the FPAD volumes on previous divisions
474 gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
476 //// Positioning the Strips (FSTR) in the FLT volumes /////
480 Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
482 Float_t gap = fGapA; //cm distance between the strip axis
488 ycoor = -14.5 + kspace ; //2 cm over front plate
490 AliMatrix (idrotm[0], 90., 0.,90.,90.,0., 90.);
491 gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
493 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
494 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
498 Int_t upDown = -1; // upDown=-1 -> Upper strip
499 // upDown=+1 -> Lower strip
501 ang = atan(zcoor/radius);
503 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
504 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
506 ycoor = -14.5+ kspace; //2 cm over front plate
507 ycoor += (1-(upDown+1)/2)*gap;
508 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
509 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
511 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
512 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
515 upDown*= -1; // Alternate strips
516 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
517 upDown*gap*TMath::Tan(ang)-
518 (zSenStrip/2)/TMath::Cos(ang);
519 } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
521 zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
522 upDown*gap*TMath::Tan(ang)+
523 (zSenStrip/2)/TMath::Cos(ang);
526 zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
527 upDown*gap*TMath::Tan(ang)-
528 (zSenStrip/2)/TMath::Cos(ang);
530 ang = atan(zcoor/radius);
532 AliMatrix (idrotm[nrot], 90., 0.,90.-ang,90.,-ang, 90.);
533 AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
536 ycoor = -14.5+ kspace; //2 cm over front plate
537 ycoor += (1-(upDown+1)/2)*gap;
538 gMC->Gspos("FSTR",j ,"FLTA",0.,ycoor, zcoor,idrotm[nrot], "ONLY");
539 gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
540 printf("%f, St. %2i, Pl.3 ",ang*kRaddeg,i);
541 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
543 ycoor = -hTof/2.+ kspace;//2 cm over front plate
550 Float_t deadRegion = 1.0;//cm
552 zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
553 upDown*gap*TMath::Tan(ang)-
554 (zSenStrip/2)/TMath::Cos(ang)-
555 deadRegion/TMath::Cos(ang);
557 ang = atan(zpos/radius);
559 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
561 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
562 ycoor += (1-(upDown+1)/2)*gap;
563 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
564 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
566 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
567 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
573 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
574 upDown*gap*TMath::Tan(ang)-
575 (zSenStrip/2)/TMath::Cos(ang);
576 ang = atan(zpos/radius);
578 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
580 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
581 ycoor += (1-(upDown+1)/2)*gap;
582 zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
583 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
585 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
586 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
590 } while (TMath::Abs(ang*kRaddeg)<22.5);
591 //till we reach a tilting angle of 22.5 degrees
593 ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
594 zpos = zpos - zSenStrip/TMath::Cos(ang);
597 ang = atan(zpos/radius);
599 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
601 zcoor = zpos+(zFLTB/2+zFLTA/2+db);
602 gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
603 zpos = zpos - zSenStrip/TMath::Cos(ang);
604 printf("%f, St. %2i, Pl.4 ",ang*kRaddeg,i);
605 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
607 } while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
611 zpos = zpos + zSenStrip/TMath::Cos(ang);
613 zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
615 (zSenStrip/2)/TMath::Cos(ang);
619 ycoor= -hTof*0.5+kspace+gap;
623 ang = atan(zpos/radius);
625 AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
627 zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
628 gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
630 printf("%f, St. %2i, Pl.5 ",ang*kRaddeg,i);
631 printf("y = %f, z = %f, zpos = %f \n",ycoor,zcoor,zpos);
633 zpos = zpos - zSenStrip/TMath::Cos(ang);
634 } while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
637 ////////// Layers after strips /////////////////
638 // honeycomb (Polyethilene) Layer after (1.2cm)
640 Float_t overSpace = fOverSpc;//cm
644 par[2] = (zFLTA *0.5);
645 ycoor = -yFLT/2 + overSpace + par[1];
646 gMC->Gsvolu("FPEA", "BOX ", idtmed[503], par, 3); // Hony
647 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
648 par[2] = (zFLTB *0.5);
649 gMC->Gsvolu("FPEB", "BOX ", idtmed[503], par, 3); // Hony
650 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
651 par[2] = (zFLTC *0.5);
652 gMC->Gsvolu("FPEC", "BOX ", idtmed[503], par, 3); // Hony
653 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
655 // Electronics (Cu) after
658 par[1] = 1.43*0.05*0.5; // 5% of X0
659 par[2] = (zFLTA *0.5);
661 gMC->Gsvolu("FECA", "BOX ", idtmed[501], par, 3); // Cu
662 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
663 par[2] = (zFLTB *0.5);
664 gMC->Gsvolu("FECB", "BOX ", idtmed[501], par, 3); // Cu
665 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
666 par[2] = (zFLTC *0.5);
667 gMC->Gsvolu("FECC", "BOX ", idtmed[501], par, 3); // Cu
668 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
670 // cooling WAter after
673 par[1] = 36.1*0.02*0.5; // 2% of X0
674 par[2] = (zFLTA *0.5);
676 gMC->Gsvolu("FWAA", "BOX ", idtmed[515], par, 3); // Water
677 gMC->Gspos ("FWAA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
678 par[2] = (zFLTB *0.5);
679 gMC->Gsvolu("FWAB", "BOX ", idtmed[515], par, 3); // Water
680 gMC->Gspos ("FWAB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
681 par[2] = (zFLTC *0.5);
682 gMC->Gsvolu("FWAC", "BOX ", idtmed[515], par, 3); // Water
683 gMC->Gspos ("FWAC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
688 par[1] = (yFLT/2-ycoor-0.2)*0.5; // Aluminum layer considered (0.2 cm)
689 par[2] = (zFLTA *0.5);
691 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
692 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
693 par[2] = (zFLTB *0.5);
694 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
695 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
696 par[2] = (zFLTC *0.5);
697 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
698 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
700 //Back Plate honycomb (2cm)
704 ycoor = yFLT/2 - par[1];
705 gMC->Gsvolu("FBPA", "BOX ", idtmed[503], par, 3); // Hony
706 gMC->Gspos ("FBPA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
707 gMC->Gsvolu("FBPB", "BOX ", idtmed[503], par, 3); // Hony
708 gMC->Gspos ("FBPB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
709 gMC->Gsvolu("FBPC", "BOX ", idtmed[503], par, 3); // Hony
710 gMC->Gspos ("FBPC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
714 //_____________________________________________________________________________
715 void AliTOFv0::DrawModule() const
718 // Draw a shaded view of the Time Of Flight version 0
720 // Set everything unseen
721 gMC->Gsatt("*", "seen", -1);
723 // Set ALIC mother transparent
724 gMC->Gsatt("ALIC","SEEN",0);
726 // Set the volumes visible
727 gMC->Gsatt("ALIC","SEEN",0);
729 gMC->Gsatt("FTOA","SEEN",1);
730 gMC->Gsatt("FTOB","SEEN",1);
731 gMC->Gsatt("FTOC","SEEN",1);
732 gMC->Gsatt("FLTA","SEEN",1);
733 gMC->Gsatt("FLTB","SEEN",1);
734 gMC->Gsatt("FLTC","SEEN",1);
735 gMC->Gsatt("FPLA","SEEN",1);
736 gMC->Gsatt("FPLB","SEEN",1);
737 gMC->Gsatt("FPLC","SEEN",1);
738 gMC->Gsatt("FSTR","SEEN",1);
739 gMC->Gsatt("FPEA","SEEN",1);
740 gMC->Gsatt("FPEB","SEEN",1);
741 gMC->Gsatt("FPEC","SEEN",1);
743 gMC->Gsatt("FLZ1","SEEN",0);
744 gMC->Gsatt("FLZ2","SEEN",0);
745 gMC->Gsatt("FLZ3","SEEN",0);
746 gMC->Gsatt("FLX1","SEEN",0);
747 gMC->Gsatt("FLX2","SEEN",0);
748 gMC->Gsatt("FLX3","SEEN",0);
749 gMC->Gsatt("FPAD","SEEN",0);
751 gMC->Gdopt("hide", "on");
752 gMC->Gdopt("shad", "on");
753 gMC->Gsatt("*", "fill", 7);
754 gMC->SetClipBox(".");
755 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
757 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
758 gMC->Gdhead(1111, "Time Of Flight");
759 gMC->Gdman(18, 4, "MAN");
760 gMC->Gdopt("hide","off");
762 //_____________________________________________________________________________
763 void AliTOFv0::DrawDetectorModules()
766 // Draw a shaded view of the TOF detector version 0
769 AliMC* pMC = AliMC::GetMC();
771 //Set ALIC mother transparent
772 pMC->Gsatt("ALIC","SEEN",0);
775 //Set volumes visible
778 // Level 1 for TOF volumes
779 gMC->Gsatt("B077","seen",0);
782 //==========> Level 2
784 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
785 gMC->Gsatt("B071","seen",0);
786 gMC->Gsatt("B074","seen",0);
787 gMC->Gsatt("B075","seen",0);
788 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
792 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
793 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
794 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
795 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
796 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
797 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
798 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
799 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
800 gMC->Gsatt("BTO1","seen",0);
804 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
805 gMC->Gsatt("BTO2","seen",0);
808 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
809 gMC->Gsatt("BTO3","seen",0);
811 // ==================> Level 3
812 // Level 3 of B071 / Level 2 of BTO1
813 gMC->Gsatt("FTOC","seen",-2);
814 gMC->Gsatt("FTOB","seen",-2);
815 gMC->Gsatt("FTOA","seen",-2);
817 // Level 3 of B074 / Level 2 of BTO2
818 // -> cfr previous settings
820 // Level 3 of B075 / Level 2 of BTO3
821 // -> cfr previous settings
823 gMC->Gdopt("hide","on");
824 gMC->Gdopt("shad","on");
825 gMC->Gsatt("*", "fill", 5);
826 gMC->SetClipBox(".");
827 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
829 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
830 gMC->Gdhead(1111,"TOF detector V1");
831 gMC->Gdman(18, 4, "MAN");
832 gMC->Gdopt("hide","off");
835 //_____________________________________________________________________________
836 void AliTOFv0::DrawDetectorStrips()
839 // Draw a shaded view of the TOF strips for version 0
842 AliMC* pMC = AliMC::GetMC();
844 //Set ALIC mother transparent
845 pMC->Gsatt("ALIC","SEEN",0);
848 //Set volumes visible
850 // Level 1 for TOF volumes
851 gMC->Gsatt("B077","seen",0);
853 //==========> Level 2
855 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
856 gMC->Gsatt("B071","seen",0);
857 gMC->Gsatt("B074","seen",0);
858 gMC->Gsatt("B075","seen",0);
859 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
862 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
863 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
864 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
865 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
866 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
867 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
868 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
869 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
870 gMC->Gsatt("BTO1","seen",0);
872 // ==================> Level 3
873 // Level 3 of B071 / Level 2 of BTO1
874 gMC->Gsatt("FTOC","seen",0);
875 gMC->Gsatt("FTOB","seen",0);
876 gMC->Gsatt("FTOA","seen",0);
878 // Level 3 of B074 / Level 2 of BTO2
879 // -> cfr previous settings
881 // Level 3 of B075 / Level 2 of BTO3
882 // -> cfr previous settings
885 // ==========================> Level 4
886 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
887 gMC->Gsatt("FLTC","seen",0);
888 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
889 gMC->Gsatt("FLTB","seen",0);
890 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
891 gMC->Gsatt("FLTA","seen",0);
893 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
894 // -> cfr previous settings
895 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
896 // -> cfr previous settings
898 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
899 // -> cfr previous settings
901 //======================================> Level 5
902 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
903 gMC->Gsatt("FALC","seen",0); // no children for FALC
904 gMC->Gsatt("FSTR","seen",-2);
905 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
906 gMC->Gsatt("FECC","seen",0); // no children for FECC
907 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
908 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
910 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
911 gMC->Gsatt("FALB","seen",0); // no children for FALB
912 //--> gMC->Gsatt("FSTR","seen",-2);
915 // -> cfr previous settings
916 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
917 gMC->Gsatt("FECB","seen",0); // no children for FECB
918 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
919 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
921 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
922 gMC->Gsatt("FALA","seen",0); // no children for FALB
923 //--> gMC->Gsatt("FSTR","seen",-2);
924 // -> cfr previous settings
925 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
926 gMC->Gsatt("FECA","seen",0); // no children for FECA
927 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
928 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
931 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
932 gMC->Gsatt("BTO2","seen",0);
935 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
936 gMC->Gsatt("BTO3","seen",0);
938 // for others Level 5, cfr. previous settings
940 gMC->Gdopt("hide","on");
941 gMC->Gdopt("shad","on");
942 gMC->Gsatt("*", "fill", 5);
943 gMC->SetClipBox(".");
944 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
946 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
947 gMC->Gdhead(1111,"TOF Strips V1");
948 gMC->Gdman(18, 4, "MAN");
949 gMC->Gdopt("hide","off");
952 //_____________________________________________________________________________
953 void AliTOFv0::CreateMaterials()
956 // Define materials for the Time Of Flight
958 AliTOF::CreateMaterials();
961 //_____________________________________________________________________________
962 void AliTOFv0::Init()
965 // Initialise the detector after the geometry has been defined
967 printf("**************************************"
969 "**************************************\n");
970 printf("\n Version 0 of TOF initialing, "
971 "symmetric TOF - Full Coverage version\n");
975 fIdFTOA = gMC->VolId("FTOA");
976 fIdFTOB = gMC->VolId("FTOB");
977 fIdFTOC = gMC->VolId("FTOC");
978 fIdFLTA = gMC->VolId("FLTA");
979 fIdFLTB = gMC->VolId("FLTB");
980 fIdFLTC = gMC->VolId("FLTC");
983 printf("%s: **************************************"
985 "**************************************\n",ClassName());
989 //_____________________________________________________________________________
990 void AliTOFv0::StepManager()
993 // Procedure called at each step in the Time Of Flight
995 TLorentzVector mom, pos;
996 Float_t xm[3],pm[3],xpad[3],ppad[3];
997 Float_t hits[13],phi,phid,z;
999 Int_t sector, plate, padx, padz, strip;
1000 Int_t copy, padzid, padxid, stripid, i;
1001 Int_t *idtmed = fIdtmed->GetArray()-499;
1002 Float_t incidenceAngle;
1004 if(gMC->GetMedium()==idtmed[513] &&
1005 gMC->IsTrackEntering() && gMC->TrackCharge()
1006 && gMC->CurrentVolID(copy)==fIdSens)
1008 // getting information about hit volumes
1010 padzid=gMC->CurrentVolOffID(2,copy);
1013 padxid=gMC->CurrentVolOffID(1,copy);
1016 stripid=gMC->CurrentVolOffID(4,copy);
1019 gMC->TrackPosition(pos);
1020 gMC->TrackMomentum(mom);
1022 // Double_t NormPos=1./pos.Rho();
1023 Double_t normMom=1./mom.Rho();
1025 // getting the cohordinates in pad ref system
1026 xm[0] = (Float_t)pos.X();
1027 xm[1] = (Float_t)pos.Y();
1028 xm[2] = (Float_t)pos.Z();
1030 pm[0] = (Float_t)mom.X()*normMom;
1031 pm[1] = (Float_t)mom.Y()*normMom;
1032 pm[2] = (Float_t)mom.Z()*normMom;
1034 gMC->Gmtod(xm,xpad,1);
1035 gMC->Gmtod(pm,ppad,2);
1036 if(ppad[1]>1.) ppad[1]=1.;
1037 if(ppad[1]<-1.) ppad[1]=-1.;
1038 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1043 if (TMath::Abs(z) <= fZlenA*0.5) plate = 3;
1044 if (z < (fZlenA*0.5+fZlenB) &&
1045 z > fZlenA*0.5) plate = 4;
1046 if (z >-(fZlenA*0.5+fZlenB) &&
1047 z < -fZlenA*0.5) plate = 2;
1048 if (z > (fZlenA*0.5+fZlenB)) plate = 5;
1049 if (z <-(fZlenA*0.5+fZlenB)) plate = 1;
1052 phid = phi*kRaddeg+180.;
1053 sector = Int_t (phid/20.);
1061 hits[6] = mom.Rho();
1066 hits[11]= incidenceAngle;
1067 hits[12]= gMC->Edep();
1075 AddHit(gAlice->CurrentTrack(),vol, hits);