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[u/mrichter/AliRoot.git] / TOF / AliTOFv4.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  *                                                                        *
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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                                                   //
26 //                                                                           //
27 //                                                                           //
28 //   Authors:                                                                //
29 //                                                                           //
30 //   Alessio Seganti                                                         //
31 //   Domenico Vicinanza                                                      //
32 //                                                                           //
33 //   University of Salerno - Italy                                           //
34 //                                                                           //
35 //   Fabrizio Pierella                                                       //
36 //   University of Bologna - Italy                                           //
37 //                                                                           //
38 //                                                                           //
39 //Begin_Html                                                                 //
40 /*                                                                           //
41 <img src="picts/AliTOFv4Class.gif">                                          //
42 */                                                                           //
43 //End_Html                                                                   //
44 //                                                                           //
45 ///////////////////////////////////////////////////////////////////////////////
46
47 #include <Riostream.h>
48 #include <stdlib.h>
49
50 #include <TBRIK.h>
51 #include <TGeometry.h>
52 #include <TLorentzVector.h>
53 #include <TNode.h>
54 #include <TObject.h>
55 #include <TVirtualMC.h>
56
57 #include "AliConst.h"
58 #include "AliRun.h"
59 #include "AliTOFv4.h"
60 #include "AliTOFConstants.h" // AdC
61 #include "AliMC.h"
62  
63 ClassImp(AliTOFv4)
64  
65 //_____________________________________________________________________________
66 AliTOFv4::AliTOFv4()
67 {
68   //
69   // Default constructor
70   //
71 }
72  
73 //_____________________________________________________________________________
74 AliTOFv4::AliTOFv4(const char *name, const char *title)
75         : AliTOF(name,title)
76 {
77   //
78   // Standard constructor
79   //
80   //
81   // Check that FRAME is there otherwise we have no place where to
82   // put TOF
83   AliModule* frame=gAlice->GetModule("FRAME");
84   if(!frame) {
85     Error("Ctor","TOF needs FRAME to be present\n");
86     exit(1);
87   } else
88     if(frame->IsVersion()!=1) {
89       Error("Ctor","FRAME version 1 needed with this version of TOF\n");
90       exit(1);
91     }
92  
93 }
94
95 //____________________________________________________________________________
96
97 void AliTOFv4::BuildGeometry()
98 {
99   //
100   // Build TOF ROOT geometry for the ALICE event display
101   //
102   TNode *node, *top;
103   const int kColorTOF  = 27;
104   
105   // Find top TNODE
106   top = gAlice->GetGeometry()->GetNode("alice");
107   
108   // Position the different copies
109   const Float_t krTof  =(fRmax+fRmin)/2;
110   const Float_t khTof  = fRmax-fRmin;
111   const Int_t   kNTof = fNTof;
112   const Float_t kPi   = TMath::Pi();
113   const Float_t kangle = 2*kPi/kNTof;
114   Float_t ang;
115   
116   // define offset for nodes
117   Float_t zOffsetC = fZtof - fZlenC*0.5;
118   Float_t zOffsetB = fZtof - fZlenC - fZlenB*0.5;
119   Float_t zOffsetA = 0.;
120   // Define TOF basic volume
121   
122   char nodeName0[7], nodeName1[7], nodeName2[7];
123   char nodeName3[7], nodeName4[7], rotMatNum[7];
124   
125   new TBRIK("S_TOF_C","TOF box","void",
126             fStripLn*0.5,khTof*0.5,fZlenC*0.5);
127   new TBRIK("S_TOF_B","TOF box","void",
128             fStripLn*0.5,khTof*0.5,fZlenB*0.5);
129   new TBRIK("S_TOF_A","TOF box","void",
130             fStripLn*0.5,khTof*0.5,fZlenA*0.5);
131   
132   for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
133     
134     if (nodeNum<10) {
135       sprintf(rotMatNum,"rot50%i",nodeNum);
136       sprintf(nodeName0,"FTO00%i",nodeNum);
137       sprintf(nodeName1,"FTO10%i",nodeNum);
138       sprintf(nodeName2,"FTO20%i",nodeNum);
139       sprintf(nodeName3,"FTO30%i",nodeNum);
140       sprintf(nodeName4,"FTO40%i",nodeNum);
141     }
142     if (nodeNum>9) {
143       sprintf(rotMatNum,"rot5%i",nodeNum);
144       sprintf(nodeName0,"FTO0%i",nodeNum);
145       sprintf(nodeName1,"FTO1%i",nodeNum);
146       sprintf(nodeName2,"FTO2%i",nodeNum);
147       sprintf(nodeName3,"FTO3%i",nodeNum);
148       sprintf(nodeName4,"FTO4%i",nodeNum);
149     }
150     
151     new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
152     ang = (4.5-nodeNum) * kangle;
153     
154     top->cd();
155     node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
156     node->SetLineColor(kColorTOF);
157     fNodes->Add(node);
158     
159     top->cd();
160     node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
161     node->SetLineColor(kColorTOF);
162     fNodes->Add(node);
163     
164     top->cd();
165     node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
166     node->SetLineColor(kColorTOF);
167     fNodes->Add(node);
168     
169     top->cd();
170     node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
171     node->SetLineColor(kColorTOF);
172     fNodes->Add(node);
173     
174     top->cd();
175     node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
176     node->SetLineColor(kColorTOF);
177     fNodes->Add(node);
178   } // end loop on nodeNum
179 }
180
181
182  
183 //_____________________________________________________________________________
184 void AliTOFv4::CreateGeometry()
185 {
186   //
187   // Create geometry for Time Of Flight version 0
188   //
189   //Begin_Html
190   /*
191     <img src="picts/AliTOFv4.gif">
192   */
193   //End_Html
194   //
195   // Creates common geometry
196   //
197   AliTOF::CreateGeometry();
198 }
199  
200 //_____________________________________________________________________________
201 void AliTOFv4::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
202                      Float_t zlenB, Float_t zlenA, Float_t ztof0)
203 {
204   //
205   // Definition of the Time Of Fligh Resistive Plate Chambers
206   // xFLT, yFLT, zFLT - sizes of TOF modules (large)
207   
208   Float_t  ycoor, zcoor;
209   Float_t  par[3];
210   Int_t    *idtmed = fIdtmed->GetArray()-499;
211   Int_t    idrotm[100];
212   Int_t    nrot = 0;
213   Float_t  hTof = fRmax-fRmin;
214   
215   Float_t radius = fRmin+2.;//cm
216
217   par[0] =  xtof * 0.5;
218   par[1] =  ytof * 0.5;
219   par[2] = zlenC * 0.5;
220   gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
221   par[2] = zlenB * 0.5;
222   gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
223   par[2] = zlenA * 0.5;
224   gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
225
226
227   // Positioning of modules
228
229   Float_t zcor1 = ztof0 - zlenC*0.5;
230   Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
231   Float_t zcor3 = 0.;
232   
233   AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
234   AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
235   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
236   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
237   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
238   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
239   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
240   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
241   
242   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
243   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
244   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
245   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
246   gMC->Gspos("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
247   gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
248   
249   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
250   gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
251   gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3,  0, idrotm[0], "ONLY");
252   
253   Float_t db = 0.5;//cm
254   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
255   
256   xFLT = fStripLn;
257   yFLT = ytof;
258   zFLTA = zlenA;
259   zFLTB = zlenB;
260   zFLTC = zlenC;
261   
262   xFST = xFLT-fDeadBndX*2;//cm
263
264   // Sizes of MRPC pads
265   
266   Float_t yPad = 0.505;//cm 
267   
268   // Large not sensitive volumes with Insensitive Freon
269   par[0] = xFLT*0.5;
270   par[1] = yFLT*0.5;
271   
272   if (fDebug) cout << ClassName() <<
273                 ": ************************* TOF geometry **************************"<<endl;
274   
275   par[2] = (zFLTA *0.5);
276   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
277   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
278   
279   par[2] = (zFLTB * 0.5);
280   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
281   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
282   
283   par[2] = (zFLTC * 0.5);
284   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
285   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
286   
287   ///// Layers of Aluminum before and after detector /////
288   ///// Aluminum Box for Modules (1.8 mm thickness)  /////
289   ///// lateral walls not simulated for the time being
290   //const Float_t khAlWall = 0.18;
291   // fp to be checked
292   const Float_t khAlWall = 0.11;
293   par[0] = xFLT*0.5;
294   par[1] = khAlWall/2.;//cm
295   ycoor = -yFLT/2 + par[1];
296   par[2] = (zFLTA *0.5);
297   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
298   gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
299   gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
300   par[2] = (zFLTB *0.5);
301   gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium 
302   gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
303   gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
304   par[2] = (zFLTC *0.5);
305   gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
306   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
307   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
308   
309   ///////////////// Detector itself //////////////////////
310
311   const Float_t  kdeadBound  =  fDeadBndZ; //cm non-sensitive between the pad edge 
312   //and the boundary of the strip
313   const Int_t    knx    = fNpadX;          // number of pads along x
314   const Int_t    knz    = fNpadZ;          // number of pads along z
315   const Float_t  kspace = fSpace;            //cm distance from the front plate of the box
316   
317   Float_t zSenStrip  = fZpad*fNpadZ;//cm
318   Float_t stripWidth = zSenStrip + 2*kdeadBound;
319   
320   par[0] = xFLT*0.5;
321   par[1] = yPad*0.5;
322   par[2] = stripWidth*0.5;
323   
324   // new description for strip volume -double stack strip-
325   // -- all constants are expressed in cm
326   // heigth of different layers
327   const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
328   const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
329   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
330   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
331   const Float_t khglasseiy = 0.135;   // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
332   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
333   const Float_t kwsensmz = 2*3.5 ;   // cm
334   const Float_t klsensmx = 48*2.5;   // cm
335   const Float_t kwpadz = 3.5;   // cm z dimension of the FPAD volume
336   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
337   
338   // heigth of the FSTR Volume (the strip volume)
339   const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
340   // width  of the FSTR Volume (the strip volume)
341   const Float_t kwstripz = 10.;
342   // length of the FSTR Volume (the strip volume)
343   const Float_t klstripx = 122.;
344   
345   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
346   // coordinates of the strip center in the strip reference frame; used for positioning
347   // internal strip volumes
348   Float_t posfp[3]={0.,0.,0.};  
349   
350   
351   // FSTR volume definition and filling this volume with non sensitive Gas Mixture
352   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
353   //-- HONY Layer definition
354   //  parfp[0] = -1;
355   parfp[1] = khhony*0.5;
356   //  parfp[2] = -1;
357   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
358   // positioning 2 HONY Layers on FSTR volume
359   
360   posfp[1]=-khstripy*0.5+parfp[1];
361   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
362   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
363   
364   //-- PCB Layer definition 
365   parfp[1] = khpcby*0.5;
366   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
367   // positioning 2 PCB Layers on FSTR volume
368   posfp[1]=-khstripy*0.5+khhony+parfp[1];
369   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
370   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
371   // positioning the central PCB layer
372   gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
373   
374   
375   
376   //-- MYLAR Layer definition
377   parfp[1] = khmyly*0.5;
378   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
379   // positioning 2 MYLAR Layers on FSTR volume
380   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
381   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
382   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
383   // adding further 2 MYLAR Layers on FSTR volume
384   posfp[1] = khpcby*0.5+parfp[1];
385   gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
386   gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
387   
388   
389   //-- Graphite Layer definition
390   parfp[1] = khgraphy*0.5;
391   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
392   // positioning 2 Graphite Layers on FSTR volume
393   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
394   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
395   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
396   // adding further 2 Graphite Layers on FSTR volume
397   posfp[1] = khpcby*0.5+khmyly+parfp[1];
398   gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
399   gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
400   
401   
402   //-- Glass (EXT. +Semi INT.) Layer definition
403   parfp[1] = khglasseiy*0.5;
404   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
405   // positioning 2 Glass Layers on FSTR volume
406   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
407   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
408   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
409   // adding further 2 Glass Layers on FSTR volume
410   posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
411   gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
412   gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
413   
414   
415   //-- Sensitive Mixture Layer definition
416   parfp[0] = klsensmx*0.5;
417   parfp[1] = khsensmy*0.5;
418   parfp[2] = kwsensmz*0.5;
419   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
420   gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
421   // positioning 2 gas Layers on FSTR volume
422   // the upper is insensitive freon
423   // while the remaining is sensitive
424   posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
425   gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
426   gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
427   
428   // dividing FSEN along z in knz=2 and along x in knx=48
429   gMC->Gsdvn("FSEZ","FSEN",knz,3);
430   gMC->Gsdvn("FSEX","FSEZ",knx,1);
431   
432   // FPAD volume definition
433   parfp[0] = klpadx*0.5;   
434   parfp[1] = khsensmy*0.5;
435   parfp[2] = kwpadz*0.5;
436   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
437   // positioning the FPAD volumes on previous divisions
438   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
439   
440   ////  Positioning the Strips  (FSTR) in the FLT volumes  /////
441   
442   // Plate A (Central) 
443   
444   Float_t t = zFLTC+zFLTB+zFLTA*0.5+ 2*db;//Half Width of Barrel
445   
446   Float_t gap  = fGapA+0.5; //cm  updated distance between the strip axis
447   Float_t zpos = 0;
448   Float_t ang  = 0;
449   Int_t j=1; // AdC
450   nrot  = 0;
451   zcoor = 0;
452   ycoor = -14.5 + kspace ; //2 cm over front plate
453
454   AliMatrix (idrotm[0],  90.,  0.,90.,90.,0., 90.);  
455
456   Int_t centerLoc= (Int_t)(fNStripA/2.) + 1; // AdC
457
458   //gMC->Gspos("FSTR",j,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY");
459   gMC->Gspos("FSTR",centerLoc,"FLTA",0.,ycoor, 0.,idrotm[0],"ONLY"); // AdC
460   if(fDebug>=1) {
461     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
462     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
463   }
464   zcoor -= zSenStrip;
465   //j++; // AdC
466   Int_t upDown = -1; // upDown=-1 -> Upper strip
467                      // upDown=+1 -> Lower strip
468   do{
469      ang = atan(zcoor/radius);
470      ang *= kRaddeg;
471      AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);  
472      AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
473      ang /= kRaddeg;
474      ycoor = -14.5+ kspace; //2 cm over front plate
475      ycoor += (1-(upDown+1)/2)*gap;
476      //gMC->Gspos("FSTR",j  ,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY");
477      //gMC->Gspos("FSTR",j+1,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY");
478      gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
479      gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
480      if(fDebug>=1) {
481        printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
482        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
483      }
484      j++; //j += 2; // AdC
485      upDown*= -1; // Alternate strips 
486      zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
487              upDown*gap*TMath::Tan(ang)-
488              (zSenStrip/2)/TMath::Cos(ang);
489   } while (zcoor-(stripWidth/2)*TMath::Cos(ang)>-t+zFLTC+zFLTB+db*2);
490   
491   zcoor = zcoor+(zSenStrip/2)/TMath::Cos(ang)+
492           upDown*gap*TMath::Tan(ang)+
493           (zSenStrip/2)/TMath::Cos(ang);
494
495   gap = fGapB;
496   zcoor = zcoor-(zSenStrip/2)/TMath::Cos(ang)-
497           upDown*gap*TMath::Tan(ang)-
498           (zSenStrip/2)/TMath::Cos(ang);
499
500   ang = atan(zcoor/radius);
501   ang *= kRaddeg;
502   AliMatrix (idrotm[nrot],  90.,  0.,90.-ang,90.,-ang, 90.);  
503   AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang, 90.);
504   ang /= kRaddeg;
505           
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");
510   gMC->Gspos("FSTR",centerLoc-j,"FLTA",0.,ycoor, zcoor,idrotm[nrot],  "ONLY"); // AdC
511   gMC->Gspos("FSTR",centerLoc+j,"FLTA",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); // AdC
512   if(fDebug>=1) {   
513     printf("%s: %f,  St. %2i, Pl.3 ",ClassName(),ang*kRaddeg,j); // AdC
514     printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
515   }   
516   ycoor = -hTof/2.+ kspace;//2 cm over front plate
517
518   // Plate  B
519
520   nrot = 0;
521   Int_t i=1; // AdC
522   upDown = 1;
523   Float_t deadRegion = 1.0;//cm
524   
525   zpos = zcoor - (zSenStrip/2)/TMath::Cos(ang)-
526          upDown*gap*TMath::Tan(ang)-
527          (zSenStrip/2)/TMath::Cos(ang)-
528          deadRegion/TMath::Cos(ang);
529
530   ang = atan(zpos/radius);
531   ang *= kRaddeg;
532   AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
533   ang /= kRaddeg;
534   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
535   ycoor += (1-(upDown+1)/2)*gap;
536   zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
537   gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
538   if(fDebug>=1) {   
539      printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i); 
540      printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
541   }   
542   i++;
543   upDown*=-1;
544
545   do {
546      zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)-
547             upDown*gap*TMath::Tan(ang)-
548             (zSenStrip/2)/TMath::Cos(ang);
549      ang = atan(zpos/radius);
550      ang *= kRaddeg;
551      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
552      ang /= kRaddeg;
553      Float_t deltaSpaceinB=-0.5; // [cm] to avoid overlaps with the end of freon frame
554      Float_t deltaGapinB=0.5;    // [cm] to avoid overlaps in between initial strips
555      ycoor = -hTof*0.5+ kspace+deltaSpaceinB ; //2 cm over front plate
556      ycoor += (1-(upDown+1)/2)*(gap+deltaGapinB);
557      zcoor = zpos+(zFLTA*0.5+zFLTB*0.5+db); // Moves to the system of the modulus FLTB
558      gMC->Gspos("FSTR",i, "FLTB", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
559      if(fDebug>=1) {
560         printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
561         printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
562      }
563      upDown*=-1;
564      i++;
565   } while (TMath::Abs(ang*kRaddeg)<22.5);
566   //till we reach a tilting angle of 22.5 degrees
567
568   ycoor = -hTof*0.5+ kspace ; //2 cm over front plate
569   zpos = zpos - zSenStrip/TMath::Cos(ang);
570   // this avoid overlaps in between outer strips in plate B
571   Float_t deltaMovingUp=0.8;    // [cm]
572   Float_t deltaMovingDown=-0.5; // [cm]
573
574   do {
575      ang = atan(zpos/radius);
576      ang *= kRaddeg;
577      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
578      ang /= kRaddeg;
579      zcoor = zpos+(zFLTB/2+zFLTA/2+db);
580      gMC->Gspos("FSTR",i, "FLTB", 0., ycoor+deltaMovingDown+deltaMovingUp, zcoor,idrotm[nrot], "ONLY");
581      deltaMovingUp+=0.8; // update delta moving toward the end of the plate
582      zpos = zpos - zSenStrip/TMath::Cos(ang);
583      if(fDebug>=1) {
584        printf("%s: %f,  St. %2i, Pl.4 ",ClassName(),ang*kRaddeg,i);
585        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
586      }
587      i++;
588
589   }  while (zpos-stripWidth*0.5/TMath::Cos(ang)>-t+zFLTC+db);
590
591   // Plate  C
592   
593   zpos = zpos + zSenStrip/TMath::Cos(ang);
594
595   zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+
596          gap*TMath::Tan(ang)-
597          (zSenStrip/2)/TMath::Cos(ang);
598
599   nrot = 0;
600   i=0;
601   Float_t deltaGap=-2.5; // [cm] update distance from strip center and plate
602   ycoor= -hTof*0.5+kspace+gap+deltaGap;
603
604   do {
605      i++;
606      ang = atan(zpos/radius);
607      ang *= kRaddeg;
608      AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.);
609      ang /= kRaddeg;
610      zcoor = zpos+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
611      gMC->Gspos("FSTR",i, "FLTC", 0., ycoor, zcoor,idrotm[nrot], "ONLY");
612      if(fDebug>=1) {
613        printf("%s: %f,  St. %2i, Pl.5 ",ClassName(),ang*kRaddeg,i);
614        printf("y = %f,  z = %f, zpos = %f \n",ycoor,zcoor,zpos);
615      }
616      zpos = zpos - zSenStrip/TMath::Cos(ang);
617   }  while (zpos-stripWidth*TMath::Cos(ang)*0.5>-t);
618
619  
620   ////////// Layers after strips /////////////////
621   // Al Layer thickness (2.3mm) factor 0.7
622   
623   Float_t overSpace = fOverSpc;//cm
624   
625   par[0] = xFLT*0.5;
626   par[1] = 0.115*0.7; // factor 0.7
627   par[2] = (zFLTA *0.5);
628   ycoor = -yFLT/2 + overSpace + par[1];
629   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
630   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
631   par[2] = (zFLTB *0.5);
632   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
633   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
634   par[2] = (zFLTC *0.5);
635   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
636   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
637
638
639   // plexiglass thickness: 1.5 mm ; factor 0.3
640   ycoor += par[1];
641   par[0] = xFLT*0.5;
642   par[1] = 0.075*0.3; // factor 0.3 
643   par[2] = (zFLTA *0.5);
644   ycoor += par[1];
645   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
646   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
647   par[2] = (zFLTB *0.5);
648   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
649   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
650   par[2] = (zFLTC *0.5);
651   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
652   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
653   
654   // frame of Air
655   ycoor += par[1];
656   par[0] = xFLT*0.5;
657   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
658   par[2] = (zFLTA *0.5);
659   ycoor += par[1];
660   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
661   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
662   par[2] = (zFLTB *0.5);
663   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
664   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
665   par[2] = (zFLTC *0.5);
666   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
667   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
668
669   
670   // start with cards and cooling tubes
671   // finally, cards, cooling tubes and layer for thermal dispersion
672   // 3 volumes
673   // card volume definition
674   
675   // see GEOM200 in GEANT manual
676   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
677   
678   Float_t cardpar[3];
679   cardpar[0]= 61.;
680   cardpar[1]= 5.;
681   cardpar[2]= 0.1;
682   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card 
683   //alu plate volume definition
684   cardpar[1]= 3.5;
685   cardpar[2]= 0.05;
686   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
687   
688   
689   // central module positioning (FAIA)
690   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
691   cardpos[0]= 0.;
692   cardpos[1]= -0.5;
693   cardpos[2]= -53.;
694   Float_t aplpos1 = -2.;
695   Int_t icard;
696   for (icard=0; icard<15; ++icard) {
697     cardpos[2]= cardpos[2]+stepforcardA;
698     aplpos2 = cardpos[2]+0.15;
699     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
700     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
701     
702   }
703   
704   
705   // intermediate module positioning (FAIB)
706   Float_t stepforcardB= 7.05;
707   cardpos[2]= -70.5;
708   for (icard=0; icard<19; ++icard) {
709     cardpos[2]= cardpos[2]+stepforcardB;
710     aplpos2 = cardpos[2]+0.15; 
711     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
712     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
713   }
714   
715   
716   // outer module positioning (FAIC)
717   Float_t stepforcardC= 8.45238;
718   cardpos[2]= -88.75;
719   for (icard=0; icard<20; ++icard) {
720     cardpos[2]= cardpos[2]+stepforcardC;
721     aplpos2 = cardpos[2]+0.15;
722     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
723     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
724   }
725   
726   // tube volume definition
727   Float_t tubepar[3];
728   tubepar[0]= 0.;
729   tubepar[1]= 0.4;
730   tubepar[2]= 61.;
731   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
732   tubepar[0]= 0.;
733   tubepar[1]= 0.35;
734   tubepar[2]= 61.;
735   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
736   // positioning water tube into the steel one
737   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
738   
739   
740   // rotation matrix
741   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
742   // central module positioning (FAIA)
743   Float_t tubepos[3], tdis=0.6;
744   tubepos[0]= 0.;
745   tubepos[1]= cardpos[1];
746   tubepos[2]= -53.+tdis;
747   //  tub1pos = 5.;
748   Int_t itub;
749   for (itub=0; itub<15; ++itub) {
750     tubepos[2]= tubepos[2]+stepforcardA;
751     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
752                "ONLY");
753   }
754   
755   
756   // intermediate module positioning (FAIB)
757   tubepos[2]= -70.5+tdis;
758   for (itub=0; itub<19; ++itub) {
759     tubepos[2]= tubepos[2]+stepforcardB;
760     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
761                "ONLY");
762   }
763   
764   // outer module positioning (FAIC)
765   tubepos[2]= -88.75+tdis;
766   for (itub=0; itub<20; ++itub) {
767     tubepos[2]= tubepos[2]+stepforcardC;
768     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
769                "ONLY");
770   }
771   
772 }
773
774 //_____________________________________________________________________________
775 void AliTOFv4::DrawModule() const
776 {
777   //
778   // Draw a shaded view of the Time Of Flight version 4
779   //
780   // Set everything unseen
781   gMC->Gsatt("*", "seen", -1);
782   // 
783   // Set ALIC mother transparent
784   gMC->Gsatt("ALIC","SEEN",0);
785   //
786   // Set the volumes visible
787   gMC->Gsatt("ALIC","SEEN",0);
788
789   gMC->Gsatt("FTOA","SEEN",1);
790   gMC->Gsatt("FTOB","SEEN",1);
791   gMC->Gsatt("FTOC","SEEN",1);
792   gMC->Gsatt("FLTA","SEEN",1);
793   gMC->Gsatt("FLTB","SEEN",1);
794   gMC->Gsatt("FLTC","SEEN",1);
795   gMC->Gsatt("FPLA","SEEN",1);
796   gMC->Gsatt("FPLB","SEEN",1);
797   gMC->Gsatt("FPLC","SEEN",1);
798   gMC->Gsatt("FSTR","SEEN",1);
799   gMC->Gsatt("FPEA","SEEN",1);
800   gMC->Gsatt("FPEB","SEEN",1);
801   gMC->Gsatt("FPEC","SEEN",1);
802   
803   gMC->Gsatt("FLZ1","SEEN",0);
804   gMC->Gsatt("FLZ2","SEEN",0);
805   gMC->Gsatt("FLZ3","SEEN",0);
806   gMC->Gsatt("FLX1","SEEN",0);
807   gMC->Gsatt("FLX2","SEEN",0);
808   gMC->Gsatt("FLX3","SEEN",0);
809   gMC->Gsatt("FPAD","SEEN",0);
810
811   gMC->Gdopt("hide", "on");
812   gMC->Gdopt("shad", "on");
813   gMC->Gsatt("*", "fill", 7);
814   gMC->SetClipBox(".");
815   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
816   gMC->DefaultRange();
817   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
818   gMC->Gdhead(1111, "Time Of Flight");
819   gMC->Gdman(18, 4, "MAN");
820   gMC->Gdopt("hide","off");
821 }
822 //_____________________________________________________________________________
823 void AliTOFv4::DrawDetectorModules()
824 {
825 //
826 // Draw a shaded view of the TOF detector version 4
827 //
828  
829  
830 //Set ALIC mother transparent
831  gMC->Gsatt("ALIC","SEEN",0);
832
833 //
834 //Set volumes visible
835 // 
836 //=====> Level 1
837   // Level 1 for TOF volumes
838   gMC->Gsatt("B077","seen",0);
839  
840  
841 //==========> Level 2
842   // Level 2
843   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
844   gMC->Gsatt("B071","seen",0);
845   gMC->Gsatt("B074","seen",0);
846   gMC->Gsatt("B075","seen",0);
847   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level                
848
849
850   // Level 2 of B071
851   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
852   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
853   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
854   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
855   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
856   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
857   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
858   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
859   gMC->Gsatt("BTO1","seen",0);
860
861  
862   // Level 2 of B074
863   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
864   gMC->Gsatt("BTO2","seen",0);
865
866   // Level 2 of B075
867   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
868   gMC->Gsatt("BTO3","seen",0);
869
870 // ==================> Level 3
871   // Level 3 of B071 / Level 2 of BTO1
872   gMC->Gsatt("FTOC","seen",-2);
873   gMC->Gsatt("FTOB","seen",-2);
874   gMC->Gsatt("FTOA","seen",-2);
875  
876   // Level 3 of B074 / Level 2 of BTO2
877   // -> cfr previous settings
878  
879   // Level 3 of B075 / Level 2 of BTO3
880   // -> cfr previous settings
881
882   gMC->Gdopt("hide","on");
883   gMC->Gdopt("shad","on");
884   gMC->Gsatt("*", "fill", 5);
885   gMC->SetClipBox(".");
886   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
887   gMC->DefaultRange();
888   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
889   gMC->Gdhead(1111,"TOF detector V1");
890   gMC->Gdman(18, 4, "MAN");
891   gMC->Gdopt("hide","off");
892 }                                 
893
894 //_____________________________________________________________________________
895 void AliTOFv4::DrawDetectorStrips()
896 {
897 //
898 // Draw a shaded view of the TOF strips for version 4
899 //
900  
901 //Set ALIC mother transparent
902  gMC->Gsatt("ALIC","SEEN",0);
903
904 //
905 //Set volumes visible 
906 //=====> Level 1
907   // Level 1 for TOF volumes
908   gMC->Gsatt("B077","seen",0);
909   
910 //==========> Level 2
911   // Level 2
912   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
913   gMC->Gsatt("B071","seen",0);
914   gMC->Gsatt("B074","seen",0);
915   gMC->Gsatt("B075","seen",0);
916   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
917
918   // Level 2 of B071
919   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
920   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
921   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
922   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
923   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
924   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
925   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
926   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
927   gMC->Gsatt("BTO1","seen",0);
928
929 // ==================> Level 3
930   // Level 3 of B071 / Level 2 of BTO1
931   gMC->Gsatt("FTOC","seen",0);
932   gMC->Gsatt("FTOB","seen",0);
933   gMC->Gsatt("FTOA","seen",0);
934  
935   // Level 3 of B074 / Level 2 of BTO2
936   // -> cfr previous settings
937  
938   // Level 3 of B075 / Level 2 of BTO3
939   // -> cfr previous settings
940
941
942 // ==========================> Level 4
943   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
944   gMC->Gsatt("FLTC","seen",0);
945   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
946   gMC->Gsatt("FLTB","seen",0);
947   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
948   gMC->Gsatt("FLTA","seen",0);
949  
950   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
951   // -> cfr previous settings
952   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
953   // -> cfr previous settings
954  
955   // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
956   // -> cfr previous settings
957
958 //======================================> Level 5
959   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
960   gMC->Gsatt("FALC","seen",0); // no children for FALC
961   gMC->Gsatt("FSTR","seen",-2);
962   gMC->Gsatt("FPEC","seen",0); // no children for FPEC
963   gMC->Gsatt("FECC","seen",0); // no children for FECC
964   gMC->Gsatt("FWAC","seen",0); // no children for FWAC
965   gMC->Gsatt("FAIC","seen",0); // no children for FAIC
966
967   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
968   gMC->Gsatt("FALB","seen",0); // no children for FALB
969 //-->  gMC->Gsatt("FSTR","seen",-2);
970
971
972   // -> cfr previous settings
973   gMC->Gsatt("FPEB","seen",0); // no children for FPEB
974   gMC->Gsatt("FECB","seen",0); // no children for FECB
975   gMC->Gsatt("FWAB","seen",0); // no children for FWAB
976   gMC->Gsatt("FAIB","seen",0); // no children for FAIB
977  
978   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
979   gMC->Gsatt("FALA","seen",0); // no children for FALB
980 //-->  gMC->Gsatt("FSTR","seen",-2);
981   // -> cfr previous settings
982   gMC->Gsatt("FPEA","seen",0); // no children for FPEA
983   gMC->Gsatt("FECA","seen",0); // no children for FECA
984   gMC->Gsatt("FWAA","seen",0); // no children for FWAA
985   gMC->Gsatt("FAIA","seen",0); // no children for FAIA
986
987   // Level 2 of B074
988   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
989   gMC->Gsatt("BTO2","seen",0);
990
991   // Level 2 of B075
992   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
993   gMC->Gsatt("BTO3","seen",0);
994
995 // for others Level 5, cfr. previous settings
996
997   gMC->Gdopt("hide","on");
998   gMC->Gdopt("shad","on");
999   gMC->Gsatt("*", "fill", 5);
1000   gMC->SetClipBox(".");
1001   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
1002   gMC->DefaultRange();
1003   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
1004   gMC->Gdhead(1111,"TOF Strips V1");
1005   gMC->Gdman(18, 4, "MAN");
1006   gMC->Gdopt("hide","off");
1007 }
1008
1009 //_____________________________________________________________________________
1010 void AliTOFv4::CreateMaterials()
1011 {
1012   //
1013   // Define materials for the Time Of Flight
1014   //
1015   AliTOF::CreateMaterials();
1016 }
1017  
1018 //_____________________________________________________________________________
1019 void AliTOFv4::Init()
1020 {
1021   //
1022   // Initialise the detector after the geometry has been defined
1023   //
1024   if(fDebug) {   
1025     printf("%s: **************************************"
1026            "  TOF  "
1027            "**************************************\n",ClassName());
1028     printf("\n%s:   Version 4 of TOF initialing, "
1029                 "symmetric TOF - Full Coverage version\n",ClassName());
1030   }
1031
1032   AliTOF::Init();
1033
1034   fIdFTOA = gMC->VolId("FTOA");
1035   fIdFTOB = gMC->VolId("FTOB");
1036   fIdFTOC = gMC->VolId("FTOC");
1037   fIdFLTA = gMC->VolId("FLTA");
1038   fIdFLTB = gMC->VolId("FLTB");
1039   fIdFLTC = gMC->VolId("FLTC");
1040
1041   if(fDebug) {   
1042     printf("%s: **************************************"
1043            "  TOF  "
1044            "**************************************\n",ClassName());
1045   }
1046 }
1047  
1048 //_____________________________________________________________________________
1049 void AliTOFv4::StepManager()
1050 {
1051   //
1052   // Procedure called at each step in the Time Of Flight
1053   //
1054   TLorentzVector mom, pos;
1055   Float_t xm[3],pm[3],xpad[3],ppad[3];
1056   Float_t hits[13],phi,phid,z;
1057   Int_t   vol[5];
1058   Int_t   sector, plate, padx, padz, strip;
1059   Int_t   copy, padzid, padxid, stripid, i;
1060   Int_t   *idtmed = fIdtmed->GetArray()-499;
1061   Float_t incidenceAngle;
1062   
1063   if(gMC->CurrentMedium()==idtmed[513] && 
1064      gMC->IsTrackEntering() && gMC->TrackCharge()
1065      && gMC->CurrentVolID(copy)==fIdSens) 
1066   {    
1067     // getting information about hit volumes
1068     
1069     padzid=gMC->CurrentVolOffID(2,copy);
1070     padz=copy; 
1071     
1072     padxid=gMC->CurrentVolOffID(1,copy);
1073     padx=copy; 
1074     
1075     stripid=gMC->CurrentVolOffID(4,copy);
1076     strip=copy; 
1077
1078     gMC->TrackPosition(pos);
1079     gMC->TrackMomentum(mom);
1080
1081 //    Double_t NormPos=1./pos.Rho();
1082     Double_t normMom=1./mom.Rho();
1083
1084 //  getting the cohordinates in pad ref system
1085     xm[0] = (Float_t)pos.X();
1086     xm[1] = (Float_t)pos.Y();
1087     xm[2] = (Float_t)pos.Z();
1088
1089     pm[0] = (Float_t)mom.X()*normMom;
1090     pm[1] = (Float_t)mom.Y()*normMom;
1091     pm[2] = (Float_t)mom.Z()*normMom;
1092  
1093     gMC->Gmtod(xm,xpad,1);
1094     gMC->Gmtod(pm,ppad,2);
1095
1096     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
1097
1098     z = pos[2];
1099
1100     plate = 0;  
1101     if (TMath::Abs(z) <=  fZlenA*0.5)  plate = 2; //3; // AdC
1102     if (z < (fZlenA*0.5+fZlenB) && 
1103         z >  fZlenA*0.5)               plate = 1; //4; // AdC
1104     if (z >-(fZlenA*0.5+fZlenB) &&
1105         z < -fZlenA*0.5)               plate = 3; //2; // AdC
1106     if (z > (fZlenA*0.5+fZlenB))       plate = 0; //5; // AdC
1107     if (z <-(fZlenA*0.5+fZlenB))       plate = 4; //1; // AdC
1108
1109     if (plate==0) strip=AliTOFConstants::fgkNStripC-strip; // AdC
1110     else if (plate==1) strip=AliTOFConstants::fgkNStripB-strip; // AdC
1111     else strip--; // AdC
1112
1113     if (z<=0.) padx=AliTOFConstants::fgkNpadX-padx; // AdC
1114     else padx--; // AdC
1115
1116     if (plate==3 || plate==4) padz=AliTOFConstants::fgkNpadZ-padz; // AdC
1117     else padz--; // AdC
1118
1119     phi = pos.Phi();
1120     if (phi>=0.) phid = phi*kRaddeg; //+180.; // AdC
1121     else phid = phi*kRaddeg + 360.; // AdC
1122     sector = Int_t (phid/20.); // AdC
1123     //sector++; // AdC
1124
1125     for(i=0;i<3;++i) {
1126       hits[i]   = pos[i];
1127       hits[i+3] = pm[i];
1128     }
1129
1130     hits[6] = mom.Rho();
1131     hits[7] = pos[3];
1132     hits[8] = xpad[0];
1133     hits[9] = xpad[1];
1134     hits[10]= xpad[2];
1135     hits[11]= incidenceAngle;
1136     hits[12]= gMC->Edep();
1137     
1138     vol[0]= sector;
1139     vol[1]= plate;
1140     vol[2]= strip;
1141     vol[3]= padx;
1142     vol[4]= padz;
1143     
1144     AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
1145   }
1146 }