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 ///////////////////////////////////////////////////////////////////////////////
20 // This class contains the functions for version 4 of the Time Of Flight //
23 // VERSION WITH 5 MODULES AND TILTED STRIPS //
25 // FULL COVERAGE VERSION +OPTION for PHOS holes //
28 // Fabrizio Pierella //
29 // University of Bologna - Italy //
34 <img src="picts/AliTOFv4T0Class.gif"> //
38 ///////////////////////////////////////////////////////////////////////////////
41 #include "TGeometry.h"
42 #include "TLorentzVector.h"
44 #include "TVirtualMC.h"
52 #include "AliTOFGeometry.h"
53 #include "AliTOFGeometryV4.h"
54 #include "AliTOFv4T0.h"
56 extern TDirectory *gDirectory;
57 extern TVirtualMC *gMC;
59 extern AliRun *gAlice;
63 //_____________________________________________________________________________
64 AliTOFv4T0::AliTOFv4T0():
74 // Default constructor
78 //_____________________________________________________________________________
79 AliTOFv4T0::AliTOFv4T0(const char *name, const char *title):
80 AliTOF(name,title,"tzero"),
90 // Standard constructor
93 // Check that FRAME is there otherwise we have no place where to
97 AliModule* frame = (AliModule*)gAlice->GetModule("FRAME");
99 AliFatal("TOF needs FRAME to be present");
102 if (fTOFGeometry) delete fTOFGeometry;
103 fTOFGeometry = new AliTOFGeometryV4();
105 if(frame->IsVersion()==1) {
106 AliInfo(Form("Frame version %d", frame->IsVersion()));
107 AliInfo("Full Coverage for TOF");
110 AliInfo(Form("Frame version %d", frame->IsVersion()));
111 AliInfo("TOF with Holes for PHOS");
114 fTOFGeometry->SetHoles(fTOFHoles);
117 TDirectory* saveDir = gDirectory;
118 gAlice->GetRunLoader()->CdGAFile();
119 fTOFGeometry->Write("TOFgeometry");
124 //____________________________________________________________________________
125 void AliTOFv4T0::BuildGeometry()
128 // Build TOF ROOT geometry for the ALICE event display
131 const int kColorTOF = 27;
133 TGeometry *globalGeometry = (TGeometry*)gAlice->GetGeometry();
136 top = (TNode*)globalGeometry->GetNode("alice");
138 // Position the different copies
139 const Float_t krTof =(fTOFGeometry->Rmax()+fTOFGeometry->Rmin())/2.;
140 const Float_t khTof = fTOFGeometry->Rmax()-fTOFGeometry->Rmin();
141 const Int_t kNTof = fTOFGeometry->NSectors();
142 const Float_t kPi = TMath::Pi();
143 const Float_t kangle = 2*kPi/kNTof;
146 // define offset for nodes
147 Float_t zOffsetC = fTOFGeometry->MaxhZtof() - fTOFGeometry->ZlenC()*0.5;
148 Float_t zOffsetB = fTOFGeometry->MaxhZtof() - fTOFGeometry->ZlenC() - fTOFGeometry->ZlenB()*0.5;
149 Float_t zOffsetA = 0.;
150 // Define TOF basic volume
152 char nodeName0[7], nodeName1[7], nodeName2[7];
153 char nodeName3[7], nodeName4[7], rotMatNum[7];
155 new TBRIK("S_TOF_C","TOF box","void",
156 fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenC()*0.5);
157 new TBRIK("S_TOF_B","TOF box","void",
158 fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenB()*0.5);
159 new TBRIK("S_TOF_A","TOF box","void",
160 fTOFGeometry->StripLength()*0.5, khTof*0.5, fTOFGeometry->ZlenA()*0.5);
162 for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
165 sprintf(rotMatNum,"rot50%i",nodeNum);
166 sprintf(nodeName0,"FTO00%i",nodeNum);
167 sprintf(nodeName1,"FTO10%i",nodeNum);
168 sprintf(nodeName2,"FTO20%i",nodeNum);
169 sprintf(nodeName3,"FTO30%i",nodeNum);
170 sprintf(nodeName4,"FTO40%i",nodeNum);
173 sprintf(rotMatNum,"rot5%i",nodeNum);
174 sprintf(nodeName0,"FTO0%i",nodeNum);
175 sprintf(nodeName1,"FTO1%i",nodeNum);
176 sprintf(nodeName2,"FTO2%i",nodeNum);
177 sprintf(nodeName3,"FTO3%i",nodeNum);
178 sprintf(nodeName4,"FTO4%i",nodeNum);
181 new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
182 ang = (4.5-nodeNum) * kangle;
185 node = new TNode(nodeName0,nodeName0,"S_TOF_C", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetC,rotMatNum);
186 node->SetLineColor(kColorTOF);
190 node = new TNode(nodeName1,nodeName1,"S_TOF_C", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
191 node->SetLineColor(kColorTOF);
195 node = new TNode(nodeName2,nodeName2,"S_TOF_B", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetB,rotMatNum);
196 node->SetLineColor(kColorTOF);
200 node = new TNode(nodeName3,nodeName3,"S_TOF_B", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
201 node->SetLineColor(kColorTOF);
205 node = new TNode(nodeName4,nodeName4,"S_TOF_A", krTof*TMath::Cos(ang), krTof*TMath::Sin(ang), zOffsetA,rotMatNum);
206 node->SetLineColor(kColorTOF);
208 } // end loop on nodeNum
212 //_____________________________________________________________________________
213 void AliTOFv4T0::CreateGeometry()
216 // Create geometry for Time Of Flight version 0
220 <img src="picts/AliTOFv4T0.gif">
224 // Creates common geometry
226 AliTOF::CreateGeometry();
230 //_____________________________________________________________________________
231 void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
232 Float_t zlenB, Float_t zlenA, Float_t ztof0)
235 // Definition of the Time Of Fligh Resistive Plate Chambers
236 // xFLT, yFLT, zFLT - sizes of TOF modules (large)
240 Int_t *idtmed = fIdtmed->GetArray()-499;
244 Float_t radius = fTOFGeometry->Rmin()+2.;//cm
248 par[2] = zlenC * 0.5;
249 gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
250 par[2] = zlenB * 0.5;
251 gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
252 par[2] = zlenA * 0.5;
253 gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
256 // Positioning of modules
258 Float_t zcor1 = ztof0 - zlenC*0.5;
259 Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
262 AliMatrix(idrotm[0], 90., 0., 0., 0., 90,-90.);
263 AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
265 gMC->Gspos("FTOC", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY");
266 gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
267 gMC->Gspos("FTOC", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY");
268 gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
269 gMC->Gspos("FTOC", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY");
270 gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
272 gMC->Gspos("FTOB", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY");
273 gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
274 gMC->Gspos("FTOB", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY");
275 gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
276 gMC->Gspos("FTOB", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY");
277 gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
279 gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY");
280 if(!fTOFHoles)gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY");
281 gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY");
284 Float_t db = 0.5; // cm
285 Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
287 xFLT = fTOFGeometry->StripLength();
293 xFST = xFLT - dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->DeadBndX()*2.; // cm
295 // Sizes of MRPC pads
297 Float_t yPad = 0.505; //cm
299 // Large not sensitive volumes with Insensitive Freon
303 AliDebug(1, "************************* TOF geometry **************************");
305 par[2] = (zFLTA *0.5);
306 gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
307 gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
309 par[2] = (zFLTB * 0.5);
310 gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
311 gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
313 par[2] = (zFLTC * 0.5);
314 gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
315 gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
317 ///// Layers of Aluminum before and after detector /////
318 ///// Aluminum Box for Modules (1.8 mm thickness) /////
319 ///// lateral walls not simulated for the time being
320 // const Float_t khAlWall = 0.18;
322 const Float_t khAlWall = 0.11;
324 par[1] = khAlWall/2.; // cm
325 ycoor = -yFLT/2 + par[1];
326 par[2] = (zFLTA *0.5);
327 gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
328 gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
329 gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
330 par[2] = (zFLTB *0.5);
331 gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium
332 gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
333 gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
334 par[2] = (zFLTC *0.5);
335 gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
336 gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
337 gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
339 ///////////////// Detector itself //////////////////////
341 const Float_t kdeadBound = dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->DeadBndZ(); //cm non-sensitive between the pad edge
342 //and the boundary of the strip
343 const Int_t knx = fTOFGeometry->NpadX(); // number of pads along x
344 const Int_t knz = fTOFGeometry->NpadZ(); // number of pads along z
346 Float_t zSenStrip = fTOFGeometry->ZPad() * fTOFGeometry->NpadZ(); // cm
347 Float_t stripWidth = zSenStrip + 2*kdeadBound;
351 par[2] = stripWidth*0.5;
353 // new description for strip volume -double stack strip-
354 // -- all constants are expressed in cm
355 // heigth of different layers
356 const Float_t khhony = 0.8 ; // heigth of HONY Layer
357 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
358 const Float_t khmyly = 0.035 ; // heigth of MYLAR Layer
359 const Float_t khgraphy = 0.02 ; // heigth of GRAPHITE Layer
360 const Float_t khglasseiy = 0.135; // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
361 const Float_t khsensmy = 0.11 ; // heigth of Sensitive Freon Mixture
362 const Float_t kwsensmz = 2*3.5 ; // cm
363 const Float_t klsensmx = 48*2.5; // cm
364 const Float_t kwpadz = 3.5; // cm z dimension of the FPAD volume
365 const Float_t klpadx = 2.5; // cm x dimension of the FPAD volume
367 // heigth of the FSTR Volume (the strip volume)
368 const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
369 // width of the FSTR Volume (the strip volume)
370 const Float_t kwstripz = 10.;
371 // length of the FSTR Volume (the strip volume)
372 const Float_t klstripx = 122.;
374 Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
375 // Coordinates of the strip center in the strip reference frame;
376 // used for positioninG internal strip volumes
377 Float_t posfp[3]={0.,0.,0.};
380 // FSTR volume definition-filling this volume with non sensitive Gas Mixture
381 gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
382 //-- HONY Layer definition
384 parfp[1] = khhony*0.5;
386 gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
387 // positioning 2 HONY Layers on FSTR volume
389 posfp[1]=-khstripy*0.5+parfp[1];
390 gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
391 gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
393 //-- PCB Layer definition
395 parfp[1] = khpcby*0.5;
396 gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
397 // positioning 2 PCB Layers on FSTR volume
398 posfp[1]=-khstripy*0.5+khhony+parfp[1];
399 gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
400 gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
401 // positioning the central PCB layer
402 gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
406 //-- MYLAR Layer definition
408 parfp[1] = khmyly*0.5;
409 gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
410 // positioning 2 MYLAR Layers on FSTR volume
411 posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
412 gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
413 gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
414 // adding further 2 MYLAR Layers on FSTR volume
415 posfp[1] = khpcby*0.5+parfp[1];
416 gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
417 gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
420 //-- Graphite Layer definition
422 parfp[1] = khgraphy*0.5;
423 gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
424 // positioning 2 Graphite Layers on FSTR volume
425 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
426 gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
427 gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
428 // adding further 2 Graphite Layers on FSTR volume
429 posfp[1] = khpcby*0.5+khmyly+parfp[1];
430 gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
431 gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
434 //-- Glass (EXT. +Semi INT.) Layer definition
436 parfp[1] = khglasseiy*0.5;
437 gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
438 // positioning 2 Glass Layers on FSTR volume
439 posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
440 gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
441 gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
442 // adding further 2 Glass Layers on FSTR volume
443 posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
444 gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
445 gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
448 //-- Sensitive Mixture Layer definition
450 parfp[0] = klsensmx*0.5;
451 parfp[1] = khsensmy*0.5;
452 parfp[2] = kwsensmz*0.5;
453 gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
454 gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
455 // positioning 2 gas Layers on FSTR volume
456 // the upper is insensitive freon
457 // while the remaining is sensitive
458 posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
459 gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
460 gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
462 // dividing FSEN along z in knz=2 and along x in knx=48
464 gMC->Gsdvn("FSEZ","FSEN",knz,3);
465 gMC->Gsdvn("FSEX","FSEZ",knx,1);
467 // 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");
477 ///////////////////Positioning A module//////////////////////////
480 for(Int_t istrip =0; istrip < fTOFGeometry->NStripA(); istrip++){
482 Float_t ang = fTOFGeometry->GetAngles(2,istrip);
483 AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
485 Float_t zpos = tan(ang)*radius;
486 Float_t ypos= fTOFGeometry->GetHeights(2,istrip);
487 gMC->Gspos("FSTR",fTOFGeometry->NStripA()-istrip,"FLTA",0.,ypos, zpos,idrotm[0], "ONLY");
488 AliDebug(1, Form("y = %f, z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius ,ang*kRaddeg,istrip));
492 ///////////////////Positioning B module//////////////////////////
494 for(Int_t istrip =0; istrip < fTOFGeometry->NStripB(); istrip++){
496 Float_t ang = fTOFGeometry->GetAngles(3,istrip);
497 AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
499 Float_t zpos = tan(ang)*radius+(zFLTA*0.5+zFLTB*0.5+db);
500 Float_t ypos= fTOFGeometry->GetHeights(3,istrip);
501 gMC->Gspos("FSTR",istrip+1,"FLTB",0.,ypos, zpos,idrotm[nrot], "ONLY");
502 AliDebug(1, Form("y = %f, z = %f, , z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
506 ///////////////////Positioning C module//////////////////////////
508 for(Int_t istrip =0; istrip < fTOFGeometry->NStripC(); istrip++){
510 Float_t ang = fTOFGeometry->GetAngles(4,istrip);
511 AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);
513 Float_t zpos = tan(ang)*radius+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
514 Float_t ypos= fTOFGeometry->GetHeights(4,istrip);
515 gMC->Gspos("FSTR",istrip+1,"FLTC",0.,ypos, zpos,idrotm[nrot], "ONLY");
516 AliDebug(1, Form("y = %f, z = %f, z coord = %f, Rot ang = %f, St. %2i",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip));
519 ////////// Layers after strips /////////////////
520 // Al Layer thickness (2.3mm) factor 0.7
522 Float_t overSpace = dynamic_cast<AliTOFGeometryV4*>(fTOFGeometry)->OverSpc();//cm
525 par[1] = 0.115*0.7; // factor 0.7
526 par[2] = (zFLTA *0.5);
527 ycoor = -yFLT/2 + overSpace + par[1];
528 gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
529 gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
530 par[2] = (zFLTB *0.5);
531 gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
532 gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
533 par[2] = (zFLTC *0.5);
534 gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
535 gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
538 // plexiglass thickness: 1.5 mm ; factor 0.3
542 par[1] = 0.075*0.3; // factor 0.3
543 par[2] = (zFLTA *0.5);
545 gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
546 gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
547 par[2] = (zFLTB *0.5);
548 gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
549 gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
550 par[2] = (zFLTC *0.5);
551 gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
552 gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
558 par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
559 par[2] = (zFLTA *0.5);
561 gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
562 gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
563 par[2] = (zFLTB *0.5);
564 gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
565 gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
566 par[2] = (zFLTC *0.5);
567 gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
568 gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
571 // start with cards and cooling tubes
572 // finally, cards, cooling tubes and layer for thermal dispersion
574 // card volume definition
576 // see GEOM200 in GEANT manual
579 AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
585 gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card
586 //alu plate volume definition
589 gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
592 // central module positioning (FAIA)
593 Float_t cardpos[3], aplpos2, stepforcardA=6.625;
597 Float_t aplpos1 = -2.;
599 for (icard=0; icard < fTOFGeometry->NStripA(); ++icard) {
600 cardpos[2]= cardpos[2]+stepforcardA;
601 aplpos2 = cardpos[2]+0.15;
602 gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
603 gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
608 // intermediate module positioning (FAIB)
609 Float_t stepforcardB= 7.05;
611 for (icard=0; icard < fTOFGeometry->NStripB(); ++icard) {
612 cardpos[2]= cardpos[2]+stepforcardB;
613 aplpos2 = cardpos[2]+0.15;
614 gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
615 gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
619 // outer module positioning (FAIC)
620 Float_t stepforcardC= 8.45238;
622 for (icard=0; icard < fTOFGeometry->NStripC(); ++icard) {
623 cardpos[2]= cardpos[2]+stepforcardC;
624 aplpos2 = cardpos[2]+0.15;
625 gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
626 gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
629 // tube volume definition
635 gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
639 gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
640 // positioning water tube into the steel one
641 gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
645 AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
646 // central module positioning (FAIA)
647 Float_t tubepos[3], tdis=0.6;
649 tubepos[1]= cardpos[1];
650 tubepos[2]= -53.+tdis;
653 for (itub=0; itub < fTOFGeometry->NStripA(); ++itub) {
654 tubepos[2]= tubepos[2]+stepforcardA;
655 gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
660 // intermediate module positioning (FAIB)
661 tubepos[2]= -70.5+tdis;
662 for (itub=0; itub < fTOFGeometry->NStripB(); ++itub) {
663 tubepos[2]= tubepos[2]+stepforcardB;
664 gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
668 // outer module positioning (FAIC)
669 tubepos[2]= -88.75+tdis;
670 for (itub=0; itub < fTOFGeometry->NStripC(); ++itub) {
671 tubepos[2]= tubepos[2]+stepforcardC;
672 gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
677 //_____________________________________________________________________________
678 void AliTOFv4T0::DrawModule() const
681 // Draw a shaded view of the Time Of Flight version 4
683 // Set everything unseen
684 gMC->Gsatt("*", "seen", -1);
686 // Set ALIC mother transparent
687 gMC->Gsatt("ALIC","SEEN",0);
689 // Set the volumes visible
690 gMC->Gsatt("ALIC","SEEN",0);
692 gMC->Gsatt("FTOA","SEEN",1);
693 gMC->Gsatt("FTOB","SEEN",1);
694 gMC->Gsatt("FTOC","SEEN",1);
695 gMC->Gsatt("FLTA","SEEN",1);
696 gMC->Gsatt("FLTB","SEEN",1);
697 gMC->Gsatt("FLTC","SEEN",1);
698 gMC->Gsatt("FPLA","SEEN",1);
699 gMC->Gsatt("FPLB","SEEN",1);
700 gMC->Gsatt("FPLC","SEEN",1);
701 gMC->Gsatt("FSTR","SEEN",1);
702 gMC->Gsatt("FPEA","SEEN",1);
703 gMC->Gsatt("FPEB","SEEN",1);
704 gMC->Gsatt("FPEC","SEEN",1);
706 gMC->Gsatt("FLZ1","SEEN",0);
707 gMC->Gsatt("FLZ2","SEEN",0);
708 gMC->Gsatt("FLZ3","SEEN",0);
709 gMC->Gsatt("FLX1","SEEN",0);
710 gMC->Gsatt("FLX2","SEEN",0);
711 gMC->Gsatt("FLX3","SEEN",0);
712 gMC->Gsatt("FPAD","SEEN",0);
714 gMC->Gdopt("hide", "on");
715 gMC->Gdopt("shad", "on");
716 gMC->Gsatt("*", "fill", 7);
717 gMC->SetClipBox(".");
718 gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
720 gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
721 gMC->Gdhead(1111, "Time Of Flight");
722 gMC->Gdman(18, 4, "MAN");
723 gMC->Gdopt("hide","off");
725 //_____________________________________________________________________________
726 void AliTOFv4T0::DrawDetectorModules() const
729 // Draw a shaded view of the TOF detector version 4
733 //Set ALIC mother transparent
734 gMC->Gsatt("ALIC","SEEN",0);
737 //Set volumes visible
740 // Level 1 for TOF volumes
741 gMC->Gsatt("B077","seen",0);
744 //==========> Level 2
746 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
747 gMC->Gsatt("B071","seen",0);
748 gMC->Gsatt("B074","seen",0);
749 gMC->Gsatt("B075","seen",0);
750 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
754 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
755 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
756 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
757 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
758 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
759 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
760 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
761 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
762 gMC->Gsatt("BTO1","seen",0);
766 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
767 gMC->Gsatt("BTO2","seen",0);
770 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
771 gMC->Gsatt("BTO3","seen",0);
773 // ==================> Level 3
774 // Level 3 of B071 / Level 2 of BTO1
775 gMC->Gsatt("FTOC","seen",-2);
776 gMC->Gsatt("FTOB","seen",-2);
777 gMC->Gsatt("FTOA","seen",-2);
779 // Level 3 of B074 / Level 2 of BTO2
780 // -> cfr previous settings
782 // Level 3 of B075 / Level 2 of BTO3
783 // -> cfr previous settings
785 gMC->Gdopt("hide","on");
786 gMC->Gdopt("shad","on");
787 gMC->Gsatt("*", "fill", 5);
788 gMC->SetClipBox(".");
789 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
791 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
792 gMC->Gdhead(1111,"TOF detector V1");
793 gMC->Gdman(18, 4, "MAN");
794 gMC->Gdopt("hide","off");
797 //_____________________________________________________________________________
798 void AliTOFv4T0::DrawDetectorStrips() const
801 // Draw a shaded view of the TOF strips for version 4
804 //Set ALIC mother transparent
805 gMC->Gsatt("ALIC","SEEN",0);
808 //Set volumes visible
810 // Level 1 for TOF volumes
811 gMC->Gsatt("B077","seen",0);
813 //==========> Level 2
815 gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
816 gMC->Gsatt("B071","seen",0);
817 gMC->Gsatt("B074","seen",0);
818 gMC->Gsatt("B075","seen",0);
819 gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
822 gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped -
823 gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped -
824 gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped -
825 gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped -
826 gMC->Gsatt("B056","seen",0); // B056 does not has sub-levels -
827 gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped -
828 gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped -
829 gMC->Gsatt("BTR1","seen",0); // BTR1 do not have sub-levels -
830 gMC->Gsatt("BTO1","seen",0);
832 // ==================> Level 3
833 // Level 3 of B071 / Level 2 of BTO1
834 gMC->Gsatt("FTOC","seen",0);
835 gMC->Gsatt("FTOB","seen",0);
836 gMC->Gsatt("FTOA","seen",0);
838 // Level 3 of B074 / Level 2 of BTO2
839 // -> cfr previous settings
841 // Level 3 of B075 / Level 2 of BTO3
842 // -> cfr previous settings
845 // ==========================> Level 4
846 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
847 gMC->Gsatt("FLTC","seen",0);
848 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
849 gMC->Gsatt("FLTB","seen",0);
850 // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
851 gMC->Gsatt("FLTA","seen",0);
853 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
854 // -> cfr previous settings
855 // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
856 // -> cfr previous settings
858 // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
859 // -> cfr previous settings
861 //======================================> Level 5
862 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
863 gMC->Gsatt("FALC","seen",0); // no children for FALC
864 gMC->Gsatt("FSTR","seen",-2);
865 gMC->Gsatt("FPEC","seen",0); // no children for FPEC
866 gMC->Gsatt("FECC","seen",0); // no children for FECC
867 gMC->Gsatt("FWAC","seen",0); // no children for FWAC
868 gMC->Gsatt("FAIC","seen",0); // no children for FAIC
870 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
871 gMC->Gsatt("FALB","seen",0); // no children for FALB
872 //--> gMC->Gsatt("FSTR","seen",-2);
875 // -> cfr previous settings
876 gMC->Gsatt("FPEB","seen",0); // no children for FPEB
877 gMC->Gsatt("FECB","seen",0); // no children for FECB
878 gMC->Gsatt("FWAB","seen",0); // no children for FWAB
879 gMC->Gsatt("FAIB","seen",0); // no children for FAIB
881 // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
882 gMC->Gsatt("FALA","seen",0); // no children for FALB
883 //--> gMC->Gsatt("FSTR","seen",-2);
884 // -> cfr previous settings
885 gMC->Gsatt("FPEA","seen",0); // no children for FPEA
886 gMC->Gsatt("FECA","seen",0); // no children for FECA
887 gMC->Gsatt("FWAA","seen",0); // no children for FWAA
888 gMC->Gsatt("FAIA","seen",0); // no children for FAIA
891 gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
892 gMC->Gsatt("BTO2","seen",0);
895 gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
896 gMC->Gsatt("BTO3","seen",0);
898 // for others Level 5, cfr. previous settings
900 gMC->Gdopt("hide","on");
901 gMC->Gdopt("shad","on");
902 gMC->Gsatt("*", "fill", 5);
903 gMC->SetClipBox(".");
904 gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
906 gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
907 gMC->Gdhead(1111,"TOF Strips V1");
908 gMC->Gdman(18, 4, "MAN");
909 gMC->Gdopt("hide","off");
912 //_____________________________________________________________________________
913 void AliTOFv4T0::CreateMaterials()
916 // Define materials for the Time Of Flight
918 //AliTOF::CreateMaterials();
921 // Defines TOF materials for all versions
922 // Revision: F. Pierella 18-VI-2002
925 AliMagF *magneticField = (AliMagF*)gAlice->Field();
927 Int_t isxfld = magneticField->Integ();
928 Float_t sxmgmx = magneticField->Max();
930 //--- Quartz (SiO2) to simulate float glass
931 // density tuned to have correct float glass
933 Float_t aq[2] = { 28.0855,15.9994 };
934 Float_t zq[2] = { 14.,8. };
935 Float_t wq[2] = { 1.,2. };
936 Float_t dq = 2.55; // std value: 2.2
939 // --- Freon C2F4H2 (TOF-TDR pagg.)
940 // Geant Manual CONS110-1, pag. 43 (Geant, Detector Description and Simulation Tool)
941 Float_t afre[3] = {12.011,18.998,1.007};
942 Float_t zfre[3] = { 6., 9., 1.};
943 Float_t wfre[3] = { 2., 4., 2.};
944 Float_t densfre = 0.00375;
945 // http://www.fi.infn.it/sezione/prevprot/gas/freon.html
948 //-- Isobutane quencher C4H10 (5% in the sensitive mixture)
949 Float_t aiso[2] = {12.011,1.007};
950 Float_t ziso[2] = { 6., 1.};
951 Float_t wiso[2] = { 4., 10.};
952 Float_t densiso = .......; // (g/cm3) density
953 Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
954 //-- SF6 (5% in the sensitive mixture)
955 Float_t asf[3] = {32.066,18.998};
956 Float_t zsf[3] = { 16., 9.};
957 Float_t wsf[3] = { 1., 6.};
958 Float_t denssf = .....; // (g/cm3) density
959 Int_t nfre = -2; // < 0 i.e. proportion by number of atoms of each kind
962 Float_t ac[2] = {12.,16.};
963 Float_t zc[2] = { 6., 8.};
964 Float_t wc[2] = { 1., 2.};
965 Float_t dc = .001977;
967 // For mylar (C5H4O2)
968 Float_t amy[3] = { 12., 1., 16. };
969 Float_t zmy[3] = { 6., 1., 8. };
970 Float_t wmy[3] = { 5., 4., 2. };
973 // For polyethilene (CH2) - honeycomb -
974 Float_t ape[2] = { 12., 1. };
975 Float_t zpe[2] = { 6., 1. };
976 Float_t wpe[2] = { 1., 2. };
977 Float_t dpe = 0.935*0.479; //To have 1%X0 for 1cm as for honeycomb
980 Float_t ag10[4] = { 12.,1.,16.,28. };
981 Float_t zg10[4] = { 6.,1., 8.,14. };
982 Float_t wmatg10[4] = { .259,.288,.248,.205 };
983 Float_t densg10 = 1.7;
986 // plexiglass CH2=C(CH3)CO2CH3
987 Float_t aplex[3] = { 12.,1.,16.};
988 Float_t zplex[3] = { 6.,1., 8.};
989 Float_t wmatplex[3] = {5.,8.,2.};
990 Float_t densplex =1.16;
993 // ---- ALUMINA (AL203)
994 Float_t aal[2] = { 27.,16.};
995 Float_t zal[2] = { 13., 8.};
996 Float_t wmatal[2] = { 2.,3. };
997 Float_t densal = 2.3;
1000 Float_t awa[2] = { 1., 16. };
1001 Float_t zwa[2] = { 1., 8. };
1002 Float_t wwa[2] = { 2., 1. };
1007 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
1008 Float_t zsteel[4] = { 26.,24.,28.,14. };
1009 Float_t wsteel[4] = { .715,.18,.1,.005 };
1011 //AliMaterial(0, "Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
1014 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
1015 Float_t zAir[4]={6.,7.,8.,18.};
1016 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
1017 Float_t dAir = 1.20479E-3;
1019 AliMixture( 1, "Air$", aAir, zAir, dAir, 4, wAir);
1021 AliMaterial( 2, "Cu $", 63.54, 29.0, 8.96, 1.43, 14.8);
1022 AliMaterial( 3, "C $", 12.01, 6.0, 2.265,18.8, 74.4);
1023 AliMixture ( 4, "Polyethilene$", ape, zpe, dpe, npe, wpe);
1024 AliMixture ( 5, "G10$", ag10, zg10, densg10, nlmatg10, wmatg10);
1025 AliMixture ( 6, "PLE$", aplex, zplex, densplex, nplex, wmatplex);
1026 AliMixture ( 7, "CO2$", ac, zc, dc, nc, wc);
1027 AliMixture ( 8, "ALUMINA$", aal, zal, densal, nlmatal, wmatal);
1028 AliMaterial( 9, "Al $", 26.98, 13., 2.7, 8.9, 37.2);
1029 AliMaterial(10, "C-TRD$", 12.01, 6., 2.265*18.8/69.282*15./100, 18.8, 74.4); // for 15%
1030 AliMixture (11, "Mylar$", amy, zmy, dmy, nmy, wmy);
1031 AliMixture (12, "Freon$", afre, zfre, densfre, nfre, wfre);
1032 AliMixture (13, "Glass$", aq, zq, dq, nq, wq);
1033 AliMixture (14, "Water$", awa, zwa, dwa, nwa, wwa);
1034 AliMixture (15, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
1036 Float_t epsil, stmin, deemax, stemax;
1039 // EPSIL = 0.1 ! Tracking precision,
1040 // STEMAX = 0.1 ! Maximum displacement for multiple scattering
1041 // DEEMAX = 0.1 ! Maximum fractional energy loss, DLS
1045 epsil = .001; // Tracking precision,
1046 stemax = -1.; // Maximum displacement for multiple scattering
1047 deemax = -.3; // Maximum fractional energy loss, DLS
1050 AliMedium( 1, "Air$" , 1, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1051 AliMedium( 2, "Cu $" , 2, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1052 AliMedium( 3, "C $" , 3, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1053 AliMedium( 4, "Pol$" , 4, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1054 AliMedium( 5, "G10$" , 5, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1055 AliMedium( 6, "PLE$" , 6, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1056 AliMedium( 7, "CO2$" , 7, 0, isxfld, sxmgmx, 10., -.01, -.1, .01, -.01);
1057 AliMedium( 8,"ALUMINA$", 8, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1058 AliMedium( 9,"Al Frame$",9, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1059 AliMedium(10, "DME-S$", 6, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1060 AliMedium(11, "C-TRD$", 10, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1061 AliMedium(12, "Myl$" , 11, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1062 AliMedium(13, "Fre$" , 12, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1063 AliMedium(14, "Fre-S$", 12, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1064 AliMedium(15, "Glass$", 13, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1065 AliMedium(16, "Water$", 14, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1066 AliMedium(17, "STEEL$", 15, 0, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin);
1070 //_____________________________________________________________________________
1071 void AliTOFv4T0::Init()
1074 // Initialise the detector after the geometry has been defined
1076 AliDebug(1, "**************************************"
1078 "**************************************");
1079 AliDebug(1, " Version 4 of TOF initialing, "
1080 "symmetric TOF - Full Coverage version");
1084 fIdFTOA = gMC->VolId("FTOA");
1085 fIdFTOB = gMC->VolId("FTOB");
1086 fIdFTOC = gMC->VolId("FTOC");
1087 fIdFLTA = gMC->VolId("FLTA");
1088 fIdFLTB = gMC->VolId("FLTB");
1089 fIdFLTC = gMC->VolId("FLTC");
1091 AliDebug(1, "**************************************"
1093 "**************************************");
1096 //_____________________________________________________________________________
1097 void AliTOFv4T0::StepManager()
1101 // Procedure called at each step in the Time Of Flight
1104 TLorentzVector mom, pos;
1105 Float_t xm[3],pm[3],xpad[3],ppad[3];
1108 Int_t sector, plate, padx, padz, strip;
1109 Int_t copy, padzid, padxid, stripid, i;
1110 Int_t *idtmed = fIdtmed->GetArray()-499;
1111 Float_t incidenceAngle;
1114 gMC->IsTrackEntering()
1115 && gMC->TrackCharge()
1116 //&& gMC->GetMedium()==idtmed[513]
1117 && gMC->CurrentMedium()==idtmed[513]
1118 && gMC->CurrentVolID(copy)==fIdSens
1122 AliMC *mcApplication = (AliMC*)gAlice->GetMCApp();
1124 AddTrackReference(mcApplication->GetCurrentTrackNumber());
1125 //AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
1127 // getting information about hit volumes
1129 padzid=gMC->CurrentVolOffID(2,copy);
1133 padxid=gMC->CurrentVolOffID(1,copy);
1136 stripid=gMC->CurrentVolOffID(4,copy);
1139 gMC->TrackPosition(pos);
1140 gMC->TrackMomentum(mom);
1143 // Double_t NormPos=1./pos.Rho();
1145 Double_t normMom=1./mom.Rho();
1147 // getting the cohordinates in pad ref system
1149 xm[0] = (Float_t)pos.X();
1150 xm[1] = (Float_t)pos.Y();
1151 xm[2] = (Float_t)pos.Z();
1153 pm[0] = (Float_t)mom.X()*normMom;
1154 pm[1] = (Float_t)mom.Y()*normMom;
1155 pm[2] = (Float_t)mom.Z()*normMom;
1157 gMC->Gmtod(xm,xpad,1);
1158 gMC->Gmtod(pm,ppad,2);
1161 if (TMath::Abs(ppad[1])>1) {
1162 AliWarning("Abs(ppad) > 1");
1163 ppad[1]=TMath::Sign((Float_t)1,ppad[1]);
1165 incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1168 const char * pathA="FTOA";
1169 const char * pathB="FTOB";
1170 const char * pathC="FTOC";
1171 const char * path71="B071";
1172 const char * path75="B075";
1173 const char * path74="B074";
1174 const char* volpath;
1177 volpath=gMC->CurrentVolOffName(6);
1178 index=gMC->CurrentVolOffID(6,copy);
1183 if(strcmp(pathC,volpath)==0 && index==1)plate=0;
1184 if(strcmp(pathB,volpath)==0 && index==1)plate=1;
1185 if(strcmp(pathA,volpath)==0 && index==0)plate=2;
1186 if(strcmp(pathB,volpath)==0 && index==2)plate=3;
1187 if(strcmp(pathC,volpath)==0 && index==2)plate=4;
1191 if (plate==0) strip=fTOFGeometry->NStripC()-strip;
1192 else if (plate==1) strip=fTOFGeometry->NStripB()-strip;
1195 //Apply ALICE conventions for volume numbering increasing with theta, phi
1197 if (plate==3 || plate==4){
1198 padx=fTOFGeometry->NpadX()-padx;
1199 padz=fTOFGeometry->NpadZ()-padz;
1210 volpath=gMC->CurrentVolOffName(8);
1211 index=gMC->CurrentVolOffID(8,copy);
1215 if(strcmp(path71,volpath)==0 && index <6) sector=12+index;
1216 if(strcmp(path71,volpath)==0 && index >=6) sector=index-3;
1217 if(strcmp(path75,volpath)==0) sector=index-1;
1218 if(strcmp(path74,volpath)==0) sector=10+index;
1225 hits[6] = mom.Rho();
1230 hits[11]= incidenceAngle;
1231 hits[12]= gMC->Edep();
1232 hits[13]= gMC->TrackLength();
1240 AddT0Hit(mcApplication->GetCurrentTrackNumber(),vol, hits);
1241 //AddT0Hit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);