9f68bce356914b533bf571bd5fcb6b2f7753802d
[u/mrichter/AliRoot.git] / TOF / AliTOFv4T0.cxx
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 /* $Id$ */
17
18 ///////////////////////////////////////////////////////////////////////////////
19 //                                                                           //
20 //  This class contains the functions for version 4 of the Time Of Flight    //
21 //  detector.                                                                //
22 //                                                                           //
23 //  VERSION WITH 5 MODULES AND TILTED STRIPS                                 //
24 //                                                                           //
25 //   FULL COVERAGE VERSION +OPTION for PHOS holes                            //
26 //                                                                           //
27 //   Author:                                                                 //
28 //   Fabrizio Pierella                                                       //
29 //   University of Bologna - Italy                                           //
30 //                                                                           //
31 //                                                                           //
32 //Begin_Html                                                                 //
33 /*                                                                           //
34 <img src="picts/AliTOFv4T0Class.gif">                                        //
35 */                                                                           //
36 //End_Html                                                                   //
37 //                                                                           //
38 ///////////////////////////////////////////////////////////////////////////////
39
40 #include <Riostream.h>
41 #include <stdlib.h>
42 #include "TVirtualMC.h"
43
44 #include <TBRIK.h>
45 #include <TGeometry.h>
46 #include <TLorentzVector.h>
47 #include <TNode.h>
48 #include <TObject.h>
49 #include <TVirtualMC.h>
50
51 #include "AliConst.h"
52 #include "AliRun.h"
53 #include "AliTOFv4T0.h"
54 #include "AliTOFGeometry.h"
55 #include "AliMC.h"
56  
57 ClassImp(AliTOFv4T0)
58  
59 //_____________________________________________________________________________
60 AliTOFv4T0::AliTOFv4T0()
61 {
62   //
63   // Default constructor
64   //
65 }
66  
67 //_____________________________________________________________________________
68 AliTOFv4T0::AliTOFv4T0(const char *name, const char *title)
69         : AliTOF(name,title,"tzero")
70 {
71   //
72   // Standard constructor
73   //
74   //
75   // Check that FRAME is there otherwise we have no place where to
76   // put TOF
77
78
79   AliModule* frame=gAlice->GetModule("FRAME");
80   if(!frame) {
81     Error("Ctor","TOF needs FRAME to be present\n");
82     exit(1);
83   } else{
84     
85     if (fTOFGeometry) delete fTOFGeometry;
86     fTOFGeometry = new AliTOFGeometry();
87
88     if(frame->IsVersion()==1) {
89       cout << " Frame version " << frame->IsVersion() << endl; 
90       cout << " Full Coverage for TOF" << endl;
91       fTOFHoles=false;}    
92     else {
93       cout << " Frame version " << frame->IsVersion() << endl; 
94       cout << " TOF with Holes for PHOS " << endl;
95       fTOFHoles=true;}      
96   }
97   fTOFGeometry->SetHoles(fTOFHoles);
98
99
100 //____________________________________________________________________________
101 void AliTOFv4T0::BuildGeometry()
102 {
103   //
104   // Build TOF ROOT geometry for the ALICE event display
105   //
106   TNode *node, *top;
107   const int kColorTOF  = 27;
108   
109   // Find top TNODE
110   top = gAlice->GetGeometry()->GetNode("alice");
111   
112   // Position the different copies
113   const Float_t krTof  =(AliTOFGeometry::Rmax()+AliTOFGeometry::Rmin())/2;
114   const Float_t khTof  = AliTOFGeometry::Rmax()-AliTOFGeometry::Rmin();
115   const Int_t   kNTof  = AliTOFGeometry::NSectors();
116   const Float_t kPi    = TMath::Pi();
117   const Float_t kangle = 2*kPi/kNTof;
118   Float_t ang;
119   
120   // define offset for nodes
121   Float_t zOffsetC = AliTOFGeometry::MaxhZtof() - AliTOFGeometry::ZlenC()*0.5;
122   Float_t zOffsetB = AliTOFGeometry::MaxhZtof() - AliTOFGeometry::ZlenC() - AliTOFGeometry::ZlenB()*0.5;
123   Float_t zOffsetA = 0.;
124   // Define TOF basic volume
125   
126   char nodeName0[7], nodeName1[7], nodeName2[7];
127   char nodeName3[7], nodeName4[7], rotMatNum[7];
128   
129   new TBRIK("S_TOF_C","TOF box","void",
130             AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::ZlenC()*0.5);
131   new TBRIK("S_TOF_B","TOF box","void",
132             AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::ZlenB()*0.5);
133   new TBRIK("S_TOF_A","TOF box","void",
134             AliTOFGeometry::StripLength()*0.5,khTof*0.5,AliTOFGeometry::ZlenA()*0.5);
135   
136   for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
137     
138     if (nodeNum<10) {
139       sprintf(rotMatNum,"rot50%i",nodeNum);
140       sprintf(nodeName0,"FTO00%i",nodeNum);
141       sprintf(nodeName1,"FTO10%i",nodeNum);
142       sprintf(nodeName2,"FTO20%i",nodeNum);
143       sprintf(nodeName3,"FTO30%i",nodeNum);
144       sprintf(nodeName4,"FTO40%i",nodeNum);
145     }
146     if (nodeNum>9) {
147       sprintf(rotMatNum,"rot5%i",nodeNum);
148       sprintf(nodeName0,"FTO0%i",nodeNum);
149       sprintf(nodeName1,"FTO1%i",nodeNum);
150       sprintf(nodeName2,"FTO2%i",nodeNum);
151       sprintf(nodeName3,"FTO3%i",nodeNum);
152       sprintf(nodeName4,"FTO4%i",nodeNum);
153     }
154     
155     new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
156     ang = (4.5-nodeNum) * kangle;
157
158     top->cd();
159     node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
160     node->SetLineColor(kColorTOF);
161     fNodes->Add(node);
162     
163     top->cd();
164     node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
165     node->SetLineColor(kColorTOF);
166     fNodes->Add(node);
167     
168     top->cd();
169     node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
170     node->SetLineColor(kColorTOF);
171     fNodes->Add(node);
172     
173     top->cd();
174     node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
175     node->SetLineColor(kColorTOF);
176     fNodes->Add(node);
177     
178     top->cd();
179     node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
180     node->SetLineColor(kColorTOF);
181     fNodes->Add(node);
182   } // end loop on nodeNum
183 }
184
185
186  
187 //_____________________________________________________________________________
188 void AliTOFv4T0::CreateGeometry()
189 {
190   //
191   // Create geometry for Time Of Flight version 0
192   //
193   //Begin_Html
194   /*
195     <img src="picts/AliTOFv4T0.gif">
196   */
197   //End_Html
198   //
199   // Creates common geometry
200   //
201   AliTOF::CreateGeometry();
202 }
203  
204
205 //_____________________________________________________________________________
206 void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
207                      Float_t zlenB, Float_t zlenA, Float_t ztof0)
208 {
209   //
210   // Definition of the Time Of Fligh Resistive Plate Chambers
211   // xFLT, yFLT, zFLT - sizes of TOF modules (large)
212   
213   Float_t  ycoor;
214   Float_t  par[3];
215   Int_t    *idtmed = fIdtmed->GetArray()-499;
216   Int_t    idrotm[100];
217   Int_t    nrot = 0;
218
219   Float_t radius = AliTOFGeometry::Rmin()+2.;//cm
220
221   
222   par[0] =  xtof * 0.5;
223   par[1] =  ytof * 0.5;
224   par[2] = zlenC * 0.5;
225   gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
226   par[2] = zlenB * 0.5;
227   gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
228   par[2] = zlenA * 0.5;
229   gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
230   
231   
232   // Positioning of modules
233   
234   Float_t zcor1 = ztof0 - zlenC*0.5;
235   Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
236   Float_t zcor3 = 0.;
237   
238   AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
239   AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
240
241   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
242   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
243   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
244   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
245   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
246   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
247   
248   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
249   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
250   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
251   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
252   gMC->Gspos("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
253   gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
254   
255   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
256   if(!fTOFHoles)gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
257   gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3,  0, idrotm[0], "ONLY");
258   
259
260   Float_t db = 0.5; // cm
261   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
262   
263   xFLT = AliTOFGeometry::StripLength();
264   yFLT = ytof;
265   zFLTA = zlenA;
266   zFLTB = zlenB;
267   zFLTC = zlenC;
268   
269   xFST = xFLT - AliTOFGeometry::DeadBndX()*2; // cm
270   
271   // Sizes of MRPC pads
272   
273   Float_t yPad = 0.505; //cm
274   
275   // Large not sensitive volumes with Insensitive Freon
276   par[0] = xFLT*0.5;
277   par[1] = yFLT*0.5;
278   
279   if (fDebug) cout << ClassName() <<
280                 ": ************************* TOF geometry **************************"<<endl;
281   
282   par[2] = (zFLTA *0.5);
283   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
284   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
285   
286   par[2] = (zFLTB * 0.5);
287   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
288   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
289   
290   par[2] = (zFLTC * 0.5);
291   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
292   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
293   
294   ///// Layers of Aluminum before and after detector /////
295   ///// Aluminum Box for Modules (1.8 mm thickness)  /////
296   ///// lateral walls not simulated for the time being
297   //    const Float_t khAlWall = 0.18;
298   // fp to be checked
299   const Float_t khAlWall = 0.11;
300   par[0] = xFLT*0.5;
301   par[1] = khAlWall/2.; // cm
302   ycoor = -yFLT/2 + par[1];
303   par[2] = (zFLTA *0.5);
304   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
305   gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
306   gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
307   par[2] = (zFLTB *0.5);
308   gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium 
309   gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
310   gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
311   par[2] = (zFLTC *0.5);
312   gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
313   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
314   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
315   
316   ///////////////// Detector itself //////////////////////
317   
318   const Float_t  kdeadBound  =  AliTOFGeometry::DeadBndZ(); //cm non-sensitive between the pad edge 
319   //and the boundary of the strip
320   const Int_t    knx    = AliTOFGeometry::NpadX();  // number of pads along x
321   const Int_t    knz    = AliTOFGeometry::NpadZ();  // number of pads along z
322   
323   Float_t zSenStrip  = AliTOFGeometry::ZPad() * AliTOFGeometry::NpadZ(); // cm
324   Float_t stripWidth = zSenStrip + 2*kdeadBound;
325   
326   par[0] = xFLT*0.5;
327   par[1] = yPad*0.5;
328   par[2] = stripWidth*0.5;
329   
330   // new description for strip volume -double stack strip-
331   // -- all constants are expressed in cm
332   // heigth of different layers
333   const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
334   const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
335   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
336   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
337   const Float_t khglasseiy = 0.135;  // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
338   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
339   const Float_t kwsensmz = 2*3.5 ;   // cm
340   const Float_t klsensmx = 48*2.5;   // cm
341   const Float_t kwpadz = 3.5;   // cm z dimension of the FPAD volume
342   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
343   
344   // heigth of the FSTR Volume (the strip volume)
345   const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
346   // width  of the FSTR Volume (the strip volume)
347   const Float_t kwstripz = 10.;
348   // length of the FSTR Volume (the strip volume)
349   const Float_t klstripx = 122.;
350   
351   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
352   // Coordinates of the strip center in the strip reference frame;
353   // used for positioninG internal strip volumes
354   Float_t posfp[3]={0.,0.,0.};  
355   
356   
357   // FSTR volume definition-filling this volume with non sensitive Gas Mixture
358   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
359   //-- HONY Layer definition
360   //  parfp[0] = -1;
361   parfp[1] = khhony*0.5;
362   //  parfp[2] = -1;
363   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
364   // positioning 2 HONY Layers on FSTR volume
365   
366   posfp[1]=-khstripy*0.5+parfp[1];
367   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
368   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
369   
370   //-- PCB Layer definition 
371  
372   parfp[1] = khpcby*0.5;
373   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
374   // positioning 2 PCB Layers on FSTR volume
375   posfp[1]=-khstripy*0.5+khhony+parfp[1];
376   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
377   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
378   // positioning the central PCB layer
379   gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
380   
381   
382   
383   //-- MYLAR Layer definition
384
385   parfp[1] = khmyly*0.5;
386   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
387   // positioning 2 MYLAR Layers on FSTR volume
388   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
389   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
390   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
391   // adding further 2 MYLAR Layers on FSTR volume
392   posfp[1] = khpcby*0.5+parfp[1];
393   gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
394   gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
395   
396   
397   //-- Graphite Layer definition
398  
399   parfp[1] = khgraphy*0.5;
400   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
401   // positioning 2 Graphite Layers on FSTR volume
402   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
403   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
404   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
405   // adding further 2 Graphite Layers on FSTR volume
406   posfp[1] = khpcby*0.5+khmyly+parfp[1];
407   gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
408   gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
409   
410   
411   //-- Glass (EXT. +Semi INT.) Layer definition
412
413   parfp[1] = khglasseiy*0.5;
414   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
415   // positioning 2 Glass Layers on FSTR volume
416   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
417   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
418   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
419   // adding further 2 Glass Layers on FSTR volume
420   posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
421   gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
422   gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
423   
424   
425   //-- Sensitive Mixture Layer definition
426  
427   parfp[0] = klsensmx*0.5;
428   parfp[1] = khsensmy*0.5;
429   parfp[2] = kwsensmz*0.5;
430   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
431   gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
432   // positioning 2 gas Layers on FSTR volume
433   // the upper is insensitive freon
434   // while the remaining is sensitive
435   posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
436   gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
437   gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
438   
439   // dividing FSEN along z in knz=2 and along x in knx=48
440
441   gMC->Gsdvn("FSEZ","FSEN",knz,3);
442   gMC->Gsdvn("FSEX","FSEZ",knx,1);
443   
444   // FPAD volume definition
445
446   parfp[0] = klpadx*0.5;   
447   parfp[1] = khsensmy*0.5;
448   parfp[2] = kwpadz*0.5;
449   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
450   // positioning the FPAD volumes on previous divisions
451   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
452   
453
454   ///////////////////Positioning A module//////////////////////////
455
456
457   for(Int_t istrip =0; istrip < fTOFGeometry->NStripA(); istrip++){
458
459     Float_t ang = fTOFGeometry->GetAngles(2,istrip);
460     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
461     ang /= kRaddeg;
462     Float_t zpos = tan(ang)*radius;
463     Float_t ypos= fTOFGeometry->GetHeights(2,istrip);
464     gMC->Gspos("FSTR",AliTOFGeometry::NStripA()-istrip,"FLTA",0.,ypos, zpos,idrotm[0],  "ONLY");
465     if(fDebug>=1) {
466       printf("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius ,ang*kRaddeg,istrip);
467     }
468   }
469
470   
471   ///////////////////Positioning B module//////////////////////////
472
473   for(Int_t istrip =0; istrip < fTOFGeometry->NStripB(); istrip++){
474
475     Float_t ang = fTOFGeometry->GetAngles(3,istrip);
476     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
477     ang /= kRaddeg;
478     Float_t zpos = tan(ang)*radius+(zFLTA*0.5+zFLTB*0.5+db);
479     Float_t ypos= fTOFGeometry->GetHeights(3,istrip);
480     gMC->Gspos("FSTR",istrip+1,"FLTB",0.,ypos, zpos,idrotm[nrot],  "ONLY");
481     if(fDebug>=1) {
482       printf("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip);
483     }
484   }
485
486   
487   ///////////////////Positioning C module//////////////////////////
488
489   for(Int_t istrip =0; istrip < fTOFGeometry->NStripC(); istrip++){
490
491     Float_t ang = fTOFGeometry->GetAngles(4,istrip);
492     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
493     ang /= kRaddeg;
494     Float_t zpos = tan(ang)*radius+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
495     Float_t ypos= fTOFGeometry->GetHeights(4,istrip);
496     gMC->Gspos("FSTR",istrip+1,"FLTC",0.,ypos, zpos,idrotm[nrot],  "ONLY");
497     if(fDebug>=1) {
498       printf("y = %f,  z = %f, z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip);
499     }
500   }
501    
502   ////////// Layers after strips /////////////////
503   // Al Layer thickness (2.3mm) factor 0.7
504   
505   Float_t overSpace = AliTOFGeometry::OverSpc();//cm
506   
507   par[0] = xFLT*0.5;
508   par[1] = 0.115*0.7; // factor 0.7
509   par[2] = (zFLTA *0.5);
510   ycoor = -yFLT/2 + overSpace + par[1];
511   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
512   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
513   par[2] = (zFLTB *0.5);
514   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
515   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
516   par[2] = (zFLTC *0.5);
517   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
518   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
519   
520   
521   // plexiglass thickness: 1.5 mm ; factor 0.3
522
523   ycoor += par[1];
524   par[0] = xFLT*0.5;
525   par[1] = 0.075*0.3; // factor 0.3 
526   par[2] = (zFLTA *0.5);
527   ycoor += par[1];
528   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
529   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
530   par[2] = (zFLTB *0.5);
531   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
532   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
533   par[2] = (zFLTC *0.5);
534   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
535   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
536   
537   // frame of Air
538
539   ycoor += par[1];
540   par[0] = xFLT*0.5;
541   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
542   par[2] = (zFLTA *0.5);
543   ycoor += par[1];
544   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
545   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
546   par[2] = (zFLTB *0.5);
547   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
548   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
549   par[2] = (zFLTC *0.5);
550   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
551   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
552   
553   
554   // start with cards and cooling tubes
555   // finally, cards, cooling tubes and layer for thermal dispersion
556   // 3 volumes
557   // card volume definition
558   
559   // see GEOM200 in GEANT manual
560
561
562   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
563   
564   Float_t cardpar[3];
565   cardpar[0]= 61.;
566   cardpar[1]= 5.;
567   cardpar[2]= 0.1;
568   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card 
569   //alu plate volume definition
570   cardpar[1]= 3.5;
571   cardpar[2]= 0.05;
572   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
573   
574   
575   // central module positioning (FAIA)
576   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
577   cardpos[0]= 0.;
578   cardpos[1]= -0.5;
579   cardpos[2]= -53.;
580   Float_t aplpos1 = -2.;
581   Int_t icard;
582   for (icard=0; icard < fTOFGeometry->NStripA(); ++icard) {
583     cardpos[2]= cardpos[2]+stepforcardA;
584     aplpos2 = cardpos[2]+0.15;
585     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
586     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
587     
588   }
589   
590   
591   // intermediate module positioning (FAIB)
592   Float_t stepforcardB= 7.05;
593   cardpos[2]= -70.5;
594   for (icard=0; icard < fTOFGeometry->NStripB(); ++icard) {
595     cardpos[2]= cardpos[2]+stepforcardB;
596     aplpos2 = cardpos[2]+0.15; 
597     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
598     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
599   }
600   
601   
602   // outer module positioning (FAIC)
603   Float_t stepforcardC= 8.45238;
604   cardpos[2]= -88.75;
605   for (icard=0; icard < fTOFGeometry->NStripC(); ++icard) {
606     cardpos[2]= cardpos[2]+stepforcardC;
607     aplpos2 = cardpos[2]+0.15;
608     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
609     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
610   }
611   
612   // tube volume definition
613
614   Float_t tubepar[3];
615   tubepar[0]= 0.;
616   tubepar[1]= 0.4;
617   tubepar[2]= 61.;
618   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
619   tubepar[0]= 0.;
620   tubepar[1]= 0.35;
621   tubepar[2]= 61.;
622   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
623   // positioning water tube into the steel one
624   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
625   
626   
627   // rotation matrix
628   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
629   // central module positioning (FAIA)
630   Float_t tubepos[3], tdis=0.6;
631   tubepos[0]= 0.;
632   tubepos[1]= cardpos[1];
633   tubepos[2]= -53.+tdis;
634   //  tub1pos = 5.;
635   Int_t itub;
636   for (itub=0; itub < fTOFGeometry->NStripA(); ++itub) {
637     tubepos[2]= tubepos[2]+stepforcardA;
638     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
639                "ONLY");
640   }
641   
642   
643   // intermediate module positioning (FAIB)
644   tubepos[2]= -70.5+tdis;
645   for (itub=0; itub < fTOFGeometry->NStripB(); ++itub) {
646     tubepos[2]= tubepos[2]+stepforcardB;
647     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
648                "ONLY");
649   }
650   
651   // outer module positioning (FAIC)
652   tubepos[2]= -88.75+tdis;
653   for (itub=0; itub < fTOFGeometry->NStripC(); ++itub) {
654     tubepos[2]= tubepos[2]+stepforcardC;
655     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
656                "ONLY");
657   }
658
659 }
660 //_____________________________________________________________________________
661 void AliTOFv4T0::DrawModule() const
662 {
663   //
664   // Draw a shaded view of the Time Of Flight version 4
665   //
666   // Set everything unseen
667   gMC->Gsatt("*", "seen", -1);
668   // 
669   // Set ALIC mother transparent
670   gMC->Gsatt("ALIC","SEEN",0);
671   //
672   // Set the volumes visible
673   gMC->Gsatt("ALIC","SEEN",0);
674
675   gMC->Gsatt("FTOA","SEEN",1);
676   gMC->Gsatt("FTOB","SEEN",1);
677   gMC->Gsatt("FTOC","SEEN",1);
678   gMC->Gsatt("FLTA","SEEN",1);
679   gMC->Gsatt("FLTB","SEEN",1);
680   gMC->Gsatt("FLTC","SEEN",1);
681   gMC->Gsatt("FPLA","SEEN",1);
682   gMC->Gsatt("FPLB","SEEN",1);
683   gMC->Gsatt("FPLC","SEEN",1);
684   gMC->Gsatt("FSTR","SEEN",1);
685   gMC->Gsatt("FPEA","SEEN",1);
686   gMC->Gsatt("FPEB","SEEN",1);
687   gMC->Gsatt("FPEC","SEEN",1);
688   
689   gMC->Gsatt("FLZ1","SEEN",0);
690   gMC->Gsatt("FLZ2","SEEN",0);
691   gMC->Gsatt("FLZ3","SEEN",0);
692   gMC->Gsatt("FLX1","SEEN",0);
693   gMC->Gsatt("FLX2","SEEN",0);
694   gMC->Gsatt("FLX3","SEEN",0);
695   gMC->Gsatt("FPAD","SEEN",0);
696
697   gMC->Gdopt("hide", "on");
698   gMC->Gdopt("shad", "on");
699   gMC->Gsatt("*", "fill", 7);
700   gMC->SetClipBox(".");
701   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
702   gMC->DefaultRange();
703   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
704   gMC->Gdhead(1111, "Time Of Flight");
705   gMC->Gdman(18, 4, "MAN");
706   gMC->Gdopt("hide","off");
707 }
708 //_____________________________________________________________________________
709 void AliTOFv4T0::DrawDetectorModules()
710 {
711 //
712 // Draw a shaded view of the TOF detector version 4
713 //
714  
715  
716 //Set ALIC mother transparent
717   gMC->Gsatt("ALIC","SEEN",0);
718
719 //
720 //Set volumes visible
721 // 
722 //=====> Level 1
723   // Level 1 for TOF volumes
724   gMC->Gsatt("B077","seen",0);
725  
726  
727 //==========> Level 2
728   // Level 2
729   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
730   gMC->Gsatt("B071","seen",0);
731   gMC->Gsatt("B074","seen",0);
732   gMC->Gsatt("B075","seen",0);
733   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level                
734
735
736   // Level 2 of B071
737   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
738   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
739   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
740   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
741   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
742   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
743   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
744   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
745   gMC->Gsatt("BTO1","seen",0);
746
747  
748   // Level 2 of B074
749   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
750   gMC->Gsatt("BTO2","seen",0);
751
752   // Level 2 of B075
753   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
754   gMC->Gsatt("BTO3","seen",0);
755
756 // ==================> Level 3
757   // Level 3 of B071 / Level 2 of BTO1
758   gMC->Gsatt("FTOC","seen",-2);
759   gMC->Gsatt("FTOB","seen",-2);
760   gMC->Gsatt("FTOA","seen",-2);
761  
762   // Level 3 of B074 / Level 2 of BTO2
763   // -> cfr previous settings
764  
765   // Level 3 of B075 / Level 2 of BTO3
766   // -> cfr previous settings
767
768   gMC->Gdopt("hide","on");
769   gMC->Gdopt("shad","on");
770   gMC->Gsatt("*", "fill", 5);
771   gMC->SetClipBox(".");
772   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
773   gMC->DefaultRange();
774   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
775   gMC->Gdhead(1111,"TOF detector V1");
776   gMC->Gdman(18, 4, "MAN");
777   gMC->Gdopt("hide","off");
778 }                                 
779
780 //_____________________________________________________________________________
781 void AliTOFv4T0::DrawDetectorStrips()
782 {
783   //
784   // Draw a shaded view of the TOF strips for version 4
785   //
786   
787   //Set ALIC mother transparent
788   gMC->Gsatt("ALIC","SEEN",0);
789   
790   //
791   //Set volumes visible 
792   //=====> Level 1
793   // Level 1 for TOF volumes
794   gMC->Gsatt("B077","seen",0);
795   
796   //==========> Level 2
797   // Level 2
798   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
799   gMC->Gsatt("B071","seen",0);
800   gMC->Gsatt("B074","seen",0);
801   gMC->Gsatt("B075","seen",0);
802   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
803   
804   // Level 2 of B071
805   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
806   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
807   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
808   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
809   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
810   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
811   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
812   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
813   gMC->Gsatt("BTO1","seen",0);
814   
815   // ==================> Level 3
816   // Level 3 of B071 / Level 2 of BTO1
817   gMC->Gsatt("FTOC","seen",0);
818   gMC->Gsatt("FTOB","seen",0);
819   gMC->Gsatt("FTOA","seen",0);
820   
821   // Level 3 of B074 / Level 2 of BTO2
822   // -> cfr previous settings
823   
824   // Level 3 of B075 / Level 2 of BTO3
825   // -> cfr previous settings
826   
827   
828   // ==========================> Level 4
829   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
830   gMC->Gsatt("FLTC","seen",0);
831   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
832   gMC->Gsatt("FLTB","seen",0);
833   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
834   gMC->Gsatt("FLTA","seen",0);
835   
836   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
837   // -> cfr previous settings
838   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
839   // -> cfr previous settings
840   
841   // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
842   // -> cfr previous settings
843   
844   //======================================> Level 5
845   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
846   gMC->Gsatt("FALC","seen",0); // no children for FALC
847   gMC->Gsatt("FSTR","seen",-2);
848   gMC->Gsatt("FPEC","seen",0); // no children for FPEC
849   gMC->Gsatt("FECC","seen",0); // no children for FECC
850   gMC->Gsatt("FWAC","seen",0); // no children for FWAC
851   gMC->Gsatt("FAIC","seen",0); // no children for FAIC
852   
853   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
854   gMC->Gsatt("FALB","seen",0); // no children for FALB
855   //-->  gMC->Gsatt("FSTR","seen",-2);
856   
857   
858   // -> cfr previous settings
859   gMC->Gsatt("FPEB","seen",0); // no children for FPEB
860   gMC->Gsatt("FECB","seen",0); // no children for FECB
861   gMC->Gsatt("FWAB","seen",0); // no children for FWAB
862   gMC->Gsatt("FAIB","seen",0); // no children for FAIB
863   
864   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
865   gMC->Gsatt("FALA","seen",0); // no children for FALB
866   //-->  gMC->Gsatt("FSTR","seen",-2);
867   // -> cfr previous settings
868   gMC->Gsatt("FPEA","seen",0); // no children for FPEA
869   gMC->Gsatt("FECA","seen",0); // no children for FECA
870   gMC->Gsatt("FWAA","seen",0); // no children for FWAA
871   gMC->Gsatt("FAIA","seen",0); // no children for FAIA
872   
873   // Level 2 of B074
874   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
875   gMC->Gsatt("BTO2","seen",0);
876   
877   // Level 2 of B075
878   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
879   gMC->Gsatt("BTO3","seen",0);
880   
881   // for others Level 5, cfr. previous settings
882
883   gMC->Gdopt("hide","on");
884   gMC->Gdopt("shad","on");
885   gMC->Gsatt("*", "fill", 5);
886   gMC->SetClipBox(".");
887   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
888   gMC->DefaultRange();
889   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
890   gMC->Gdhead(1111,"TOF Strips V1");
891   gMC->Gdman(18, 4, "MAN");
892   gMC->Gdopt("hide","off");
893 }
894
895 //_____________________________________________________________________________
896 void AliTOFv4T0::CreateMaterials()
897 {
898   //
899   // Define materials for the Time Of Flight
900   //
901   AliTOF::CreateMaterials();
902 }
903
904 //_____________________________________________________________________________
905 void AliTOFv4T0::Init()
906 {
907   //
908   // Initialise the detector after the geometry has been defined
909   //
910   if(fDebug) {   
911     printf("%s: **************************************"
912            "  TOF  "
913            "**************************************\n",ClassName());
914     printf("\n%s:   Version 4 of TOF initialing, "
915            "symmetric TOF - Full Coverage version\n",ClassName());
916   }
917   
918   AliTOF::Init();
919   
920   fIdFTOA = gMC->VolId("FTOA");
921   fIdFTOB = gMC->VolId("FTOB");
922   fIdFTOC = gMC->VolId("FTOC");
923   fIdFLTA = gMC->VolId("FLTA");
924   fIdFLTB = gMC->VolId("FLTB");
925   fIdFLTC = gMC->VolId("FLTC");
926
927   if(fDebug) {   
928     printf("%s: **************************************"
929            "  TOF  "
930            "**************************************\n",ClassName());
931   }
932 }
933  
934 //_____________________________________________________________________________
935 void AliTOFv4T0::StepManager()
936 {
937
938   //
939   // Procedure called at each step in the Time Of Flight
940   //
941
942   TLorentzVector mom, pos;
943   Float_t xm[3],pm[3],xpad[3],ppad[3];
944   Float_t hits[14],phi,phid,z;
945   Int_t   vol[5];
946   Int_t   sector, plate, padx, padz, strip;
947   Int_t   copy, padzid, padxid, stripid, i;
948   Int_t   *idtmed = fIdtmed->GetArray()-499;
949   Float_t incidenceAngle;
950       
951   if(gMC->GetMedium()==idtmed[513] && 
952      gMC->IsTrackEntering() && gMC->TrackCharge()
953      && gMC->CurrentVolID(copy)==fIdSens) 
954   {
955
956     AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
957
958     // getting information about hit volumes
959     
960     padzid=gMC->CurrentVolOffID(2,copy);
961     padz=copy; 
962
963     
964     padxid=gMC->CurrentVolOffID(1,copy);
965     padx=copy; 
966     
967     stripid=gMC->CurrentVolOffID(4,copy);
968     strip=copy; 
969
970     gMC->TrackPosition(pos);
971     gMC->TrackMomentum(mom);
972
973
974     //    Double_t NormPos=1./pos.Rho();
975
976     Double_t normMom=1./mom.Rho();
977
978     //  getting the cohordinates in pad ref system
979
980     xm[0] = (Float_t)pos.X();
981     xm[1] = (Float_t)pos.Y();
982     xm[2] = (Float_t)pos.Z();
983
984     pm[0] = (Float_t)mom.X()*normMom;
985     pm[1] = (Float_t)mom.Y()*normMom;
986     pm[2] = (Float_t)mom.Z()*normMom;
987  
988     gMC->Gmtod(xm,xpad,1);
989     gMC->Gmtod(pm,ppad,2);
990
991     
992     if (TMath::Abs(ppad[1])>1) {
993       Warning("StepManager","Abs(ppad) > 1");
994       ppad[1]=TMath::Sign((Float_t)1,ppad[1]);
995     }
996     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
997
998
999     z = pos[2];
1000
1001     plate = -1;  
1002
1003     if (TMath::Abs(z) <=  AliTOFGeometry::ZlenA()*0.5)  plate = 2;
1004     if (z < (AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()) && 
1005         z >  AliTOFGeometry::ZlenA()*0.5)               plate = 1;
1006     if (z >-(AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()) &&
1007         z < -AliTOFGeometry::ZlenA()*0.5)               plate = 3;
1008     if (z > (AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()))     plate = 0;
1009     if (z <-(AliTOFGeometry::ZlenA()*0.5+AliTOFGeometry::ZlenB()))     plate = 4;
1010
1011
1012     if (plate==0) strip=fTOFGeometry->NStripC()-strip;
1013     else if (plate==1) strip=fTOFGeometry->NStripB()-strip;
1014     else strip--;
1015  
1016     //Apply ALICE conventions for volume numbering increasing with theta, phi
1017
1018     if (plate==3 || plate==4){
1019       padx=fTOFGeometry->NpadX()-padx;
1020       padz=fTOFGeometry->NpadZ()-padz;
1021       xpad[0]=-xpad[0];      
1022       xpad[2]=-xpad[2];      
1023     }
1024     else {
1025      padx--;
1026      padz--;
1027     }
1028
1029
1030
1031     phi = pos.Phi();
1032     if (phi>=0.) phid = phi*kRaddeg;
1033     else phid = phi*kRaddeg + 360.;
1034
1035     sector = Int_t (phid/20.);
1036
1037     for(i=0;i<3;++i) {
1038       hits[i]   = pos[i];
1039       hits[i+3] = pm[i];
1040     }
1041
1042     hits[6] = mom.Rho();
1043     hits[7] = pos[3];
1044     hits[8] = xpad[0];
1045     hits[9] = xpad[1];
1046     hits[10]= xpad[2];
1047     hits[11]= incidenceAngle;
1048     hits[12]= gMC->Edep();
1049     hits[13]= gMC->TrackLength();
1050     
1051     vol[0]= sector;
1052     vol[1]= plate;
1053     vol[2]= strip;
1054     vol[3]= padx;
1055     vol[4]= padz;    
1056
1057     AddT0Hit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
1058   }
1059 }