TOF geometry updating (addition of AliTOFGeometry)
[u/mrichter/AliRoot.git] / TOF / AliTOFv4T0.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3  *                                                                        *
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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 "AliMC.h"
55  
56 ClassImp(AliTOFv4T0)
57  
58 //_____________________________________________________________________________
59 AliTOFv4T0::AliTOFv4T0()
60 {
61   //
62   // Default constructor
63   //
64 }
65  
66 //_____________________________________________________________________________
67 AliTOFv4T0::AliTOFv4T0(const char *name, const char *title)
68         : AliTOF(name,title,"tzero")
69 {
70   //
71   // Standard constructor
72   //
73   //
74   // Check that FRAME is there otherwise we have no place where to
75   // put TOF
76
77
78   AliModule* frame=gAlice->GetModule("FRAME");
79   if(!frame) {
80     Error("Ctor","TOF needs FRAME to be present\n");
81     exit(1);
82   } else{
83     
84     if (fTOFGeometry) delete fTOFGeometry;
85     fTOFGeometry = new AliTOFGeometry();
86
87     if(frame->IsVersion()==1) {
88       cout << " Frame version " << frame->IsVersion() << endl; 
89       cout << " Full Coverage for TOF" << endl;
90       fTOFHoles=false;}    
91     else {
92       cout << " Frame version " << frame->IsVersion() << endl; 
93       cout << " TOF with Holes for PHOS " << endl;
94       fTOFHoles=true;}      
95   }
96
97
98 //____________________________________________________________________________
99 void AliTOFv4T0::BuildGeometry()
100 {
101   //
102   // Build TOF ROOT geometry for the ALICE event display
103   //
104   TNode *node, *top;
105   const int kColorTOF  = 27;
106   
107   // Find top TNODE
108   top = gAlice->GetGeometry()->GetNode("alice");
109   
110   // Position the different copies
111   const Float_t krTof  =(fRmax+fRmin)/2;
112   const Float_t khTof  = fRmax-fRmin;
113   const Int_t   kNTof = fNTof;
114   const Float_t kPi   = TMath::Pi();
115   const Float_t kangle = 2*kPi/kNTof;
116   Float_t ang;
117   
118   // define offset for nodes
119   Float_t zOffsetC = fZtof - fZlenC*0.5;
120   Float_t zOffsetB = fZtof - fZlenC - fZlenB*0.5;
121   Float_t zOffsetA = 0.;
122   // Define TOF basic volume
123   
124   char nodeName0[7], nodeName1[7], nodeName2[7];
125   char nodeName3[7], nodeName4[7], rotMatNum[7];
126   
127   new TBRIK("S_TOF_C","TOF box","void",
128             fStripLn*0.5,khTof*0.5,fZlenC*0.5);
129   new TBRIK("S_TOF_B","TOF box","void",
130             fStripLn*0.5,khTof*0.5,fZlenB*0.5);
131   new TBRIK("S_TOF_A","TOF box","void",
132             fStripLn*0.5,khTof*0.5,fZlenA*0.5);
133   
134   for (Int_t nodeNum=1;nodeNum<19;nodeNum++){
135     
136     if (nodeNum<10) {
137       sprintf(rotMatNum,"rot50%i",nodeNum);
138       sprintf(nodeName0,"FTO00%i",nodeNum);
139       sprintf(nodeName1,"FTO10%i",nodeNum);
140       sprintf(nodeName2,"FTO20%i",nodeNum);
141       sprintf(nodeName3,"FTO30%i",nodeNum);
142       sprintf(nodeName4,"FTO40%i",nodeNum);
143     }
144     if (nodeNum>9) {
145       sprintf(rotMatNum,"rot5%i",nodeNum);
146       sprintf(nodeName0,"FTO0%i",nodeNum);
147       sprintf(nodeName1,"FTO1%i",nodeNum);
148       sprintf(nodeName2,"FTO2%i",nodeNum);
149       sprintf(nodeName3,"FTO3%i",nodeNum);
150       sprintf(nodeName4,"FTO4%i",nodeNum);
151     }
152     
153     new TRotMatrix(rotMatNum,rotMatNum,90,-20*nodeNum,90,90-20*nodeNum,0,0);
154     ang = (4.5-nodeNum) * kangle;
155
156     top->cd();
157     node = new TNode(nodeName0,nodeName0,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetC,rotMatNum);
158     node->SetLineColor(kColorTOF);
159     fNodes->Add(node);
160     
161     top->cd();
162     node = new TNode(nodeName1,nodeName1,"S_TOF_C",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetC,rotMatNum);
163     node->SetLineColor(kColorTOF);
164     fNodes->Add(node);
165     
166     top->cd();
167     node = new TNode(nodeName2,nodeName2,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetB,rotMatNum);
168     node->SetLineColor(kColorTOF);
169     fNodes->Add(node);
170     
171     top->cd();
172     node = new TNode(nodeName3,nodeName3,"S_TOF_B",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),-zOffsetB,rotMatNum);
173     node->SetLineColor(kColorTOF);
174     fNodes->Add(node);
175     
176     top->cd();
177     node = new TNode(nodeName4,nodeName4,"S_TOF_A",krTof*TMath::Cos(ang),krTof*TMath::Sin(ang),zOffsetA,rotMatNum);
178     node->SetLineColor(kColorTOF);
179     fNodes->Add(node);
180   } // end loop on nodeNum
181 }
182
183
184  
185 //_____________________________________________________________________________
186 void AliTOFv4T0::CreateGeometry()
187 {
188   //
189   // Create geometry for Time Of Flight version 0
190   //
191   //Begin_Html
192   /*
193     <img src="picts/AliTOFv4T0.gif">
194   */
195   //End_Html
196   //
197   // Creates common geometry
198   //
199   AliTOF::CreateGeometry();
200 }
201  
202
203 //_____________________________________________________________________________
204 void AliTOFv4T0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlenC,
205                      Float_t zlenB, Float_t zlenA, Float_t ztof0)
206 {
207   //
208   // Definition of the Time Of Fligh Resistive Plate Chambers
209   // xFLT, yFLT, zFLT - sizes of TOF modules (large)
210   
211   Float_t  ycoor;
212   Float_t  par[3];
213   Int_t    *idtmed = fIdtmed->GetArray()-499;
214   Int_t    idrotm[100];
215   Int_t    nrot = 0;
216
217   Float_t radius = fRmin+2.;//cm
218
219   
220   par[0] =  xtof * 0.5;
221   par[1] =  ytof * 0.5;
222   par[2] = zlenC * 0.5;
223   gMC->Gsvolu("FTOC", "BOX ", idtmed[506], par, 3);
224   par[2] = zlenB * 0.5;
225   gMC->Gsvolu("FTOB", "BOX ", idtmed[506], par, 3);
226   par[2] = zlenA * 0.5;
227   gMC->Gsvolu("FTOA", "BOX ", idtmed[506], par, 3);
228   
229   
230   // Positioning of modules
231   
232   Float_t zcor1 = ztof0 - zlenC*0.5;
233   Float_t zcor2 = ztof0 - zlenC - zlenB*0.5;
234   Float_t zcor3 = 0.;
235   
236   AliMatrix(idrotm[0], 90.,  0., 0., 0., 90,-90.);
237   AliMatrix(idrotm[1], 90.,180., 0., 0., 90, 90.);
238
239   gMC->Gspos("FTOC", 1, "BTO1", 0,  zcor1, 0, idrotm[0], "ONLY");
240   gMC->Gspos("FTOC", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY");
241   gMC->Gspos("FTOC", 1, "BTO2", 0,  zcor1, 0, idrotm[0], "ONLY");
242   gMC->Gspos("FTOC", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY");
243   gMC->Gspos("FTOC", 1, "BTO3", 0,  zcor1, 0, idrotm[0], "ONLY");
244   gMC->Gspos("FTOC", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY");
245   
246   gMC->Gspos("FTOB", 1, "BTO1", 0,  zcor2, 0, idrotm[0], "ONLY");
247   gMC->Gspos("FTOB", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY");
248   gMC->Gspos("FTOB", 1, "BTO2", 0,  zcor2, 0, idrotm[0], "ONLY");
249   gMC->Gspos("FTOB", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY");
250   gMC->Gspos("FTOB", 1, "BTO3", 0,  zcor2, 0, idrotm[0], "ONLY");
251   gMC->Gspos("FTOB", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY");
252   
253   gMC->Gspos("FTOA", 0, "BTO1", 0, zcor3,  0, idrotm[0], "ONLY");
254   if(!fTOFHoles)gMC->Gspos("FTOA", 0, "BTO2", 0, zcor3,  0, idrotm[0], "ONLY");
255   gMC->Gspos("FTOA", 0, "BTO3", 0, zcor3,  0, idrotm[0], "ONLY");
256   
257
258   Float_t db = 0.5;//cm
259   Float_t xFLT, xFST, yFLT, zFLTA, zFLTB, zFLTC;
260   
261   xFLT = fStripLn;
262   yFLT = ytof;
263   zFLTA = zlenA;
264   zFLTB = zlenB;
265   zFLTC = zlenC;
266   
267   xFST = xFLT-fDeadBndX*2;//cm
268   
269   // Sizes of MRPC pads
270   
271   Float_t yPad = 0.505;//cm 
272   
273   // Large not sensitive volumes with Insensitive Freon
274   par[0] = xFLT*0.5;
275   par[1] = yFLT*0.5;
276   
277   if (fDebug) cout << ClassName() <<
278                 ": ************************* TOF geometry **************************"<<endl;
279   
280   par[2] = (zFLTA *0.5);
281   gMC->Gsvolu("FLTA", "BOX ", idtmed[512], par, 3); // Insensitive Freon
282   gMC->Gspos ("FLTA", 0, "FTOA", 0., 0., 0., 0, "ONLY");
283   
284   par[2] = (zFLTB * 0.5);
285   gMC->Gsvolu("FLTB", "BOX ", idtmed[512], par, 3); // Insensitive Freon
286   gMC->Gspos ("FLTB", 0, "FTOB", 0., 0., 0., 0, "ONLY");
287   
288   par[2] = (zFLTC * 0.5);
289   gMC->Gsvolu("FLTC", "BOX ", idtmed[512], par, 3); // Insensitive Freon
290   gMC->Gspos ("FLTC", 0, "FTOC", 0., 0., 0., 0, "ONLY");
291   
292   ///// Layers of Aluminum before and after detector /////
293   ///// Aluminum Box for Modules (1.8 mm thickness)  /////
294   ///// lateral walls not simulated for the time being
295   //    const Float_t khAlWall = 0.18;
296   // fp to be checked
297   const Float_t khAlWall = 0.11;
298   par[0] = xFLT*0.5;
299   par[1] = khAlWall/2.;//cm
300   ycoor = -yFLT/2 + par[1];
301   par[2] = (zFLTA *0.5);
302   gMC->Gsvolu("FALA", "BOX ", idtmed[508], par, 3); // Alluminium
303   gMC->Gspos ("FALA", 1, "FLTA", 0., ycoor, 0., 0, "ONLY");
304   gMC->Gspos ("FALA", 2, "FLTA", 0.,-ycoor, 0., 0, "ONLY");
305   par[2] = (zFLTB *0.5);
306   gMC->Gsvolu("FALB", "BOX ", idtmed[508], par, 3); // Alluminium 
307   gMC->Gspos ("FALB", 1, "FLTB", 0., ycoor, 0., 0, "ONLY");
308   gMC->Gspos ("FALB", 2, "FLTB", 0.,-ycoor, 0., 0, "ONLY");
309   par[2] = (zFLTC *0.5);
310   gMC->Gsvolu("FALC", "BOX ", idtmed[508], par, 3); // Alluminium
311   gMC->Gspos ("FALC", 1, "FLTC", 0., ycoor, 0., 0, "ONLY");
312   gMC->Gspos ("FALC", 2, "FLTC", 0.,-ycoor, 0., 0, "ONLY");
313   
314   ///////////////// Detector itself //////////////////////
315   
316   const Float_t  kdeadBound  =  fDeadBndZ; //cm non-sensitive between the pad edge 
317   //and the boundary of the strip
318   const Int_t    knx    = fNpadX;          // number of pads along x
319   const Int_t    knz    = fNpadZ;          // number of pads along z
320   
321   Float_t zSenStrip  = fZpad*fNpadZ;//cm
322   Float_t stripWidth = zSenStrip + 2*kdeadBound;
323   
324   par[0] = xFLT*0.5;
325   par[1] = yPad*0.5;
326   par[2] = stripWidth*0.5;
327   
328   // new description for strip volume -double stack strip-
329   // -- all constants are expressed in cm
330   // heigth of different layers
331   const Float_t khhony = 0.8     ;   // heigth of HONY  Layer
332   const Float_t khpcby = 0.08    ;   // heigth of PCB   Layer
333   const Float_t khmyly = 0.035   ;   // heigth of MYLAR Layer
334   const Float_t khgraphy = 0.02  ;   // heigth of GRAPHITE Layer
335   const Float_t khglasseiy = 0.135;   // 0.6 Ext. Glass + 1.1 i.e. (Int. Glass/2) (mm)
336   const Float_t khsensmy = 0.11  ;   // heigth of Sensitive Freon Mixture
337   const Float_t kwsensmz = 2*3.5 ;   // cm
338   const Float_t klsensmx = 48*2.5;   // cm
339   const Float_t kwpadz = 3.5;   // cm z dimension of the FPAD volume
340   const Float_t klpadx = 2.5;   // cm x dimension of the FPAD volume
341   
342   // heigth of the FSTR Volume (the strip volume)
343   const Float_t khstripy = 2*khhony+3*khpcby+4*(khmyly+khgraphy+khglasseiy)+2*khsensmy;
344   // width  of the FSTR Volume (the strip volume)
345   const Float_t kwstripz = 10.;
346   // length of the FSTR Volume (the strip volume)
347   const Float_t klstripx = 122.;
348   
349   Float_t parfp[3]={klstripx*0.5,khstripy*0.5,kwstripz*0.5};
350   // Coordinates of the strip center in the strip reference frame; 
351   // used for positioninG internal strip volumes
352   Float_t posfp[3]={0.,0.,0.};  
353   
354   
355   // FSTR volume definition-filling this volume with non sensitive Gas Mixture
356   gMC->Gsvolu("FSTR","BOX",idtmed[512],parfp,3);
357   //-- HONY Layer definition
358   //  parfp[0] = -1;
359   parfp[1] = khhony*0.5;
360   //  parfp[2] = -1;
361   gMC->Gsvolu("FHON","BOX",idtmed[503],parfp,3);
362   // positioning 2 HONY Layers on FSTR volume
363   
364   posfp[1]=-khstripy*0.5+parfp[1];
365   gMC->Gspos("FHON",1,"FSTR",0., posfp[1],0.,0,"ONLY");
366   gMC->Gspos("FHON",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
367   
368   //-- PCB Layer definition 
369  
370   parfp[1] = khpcby*0.5;
371   gMC->Gsvolu("FPCB","BOX",idtmed[504],parfp,3);
372   // positioning 2 PCB Layers on FSTR volume
373   posfp[1]=-khstripy*0.5+khhony+parfp[1];
374   gMC->Gspos("FPCB",1,"FSTR",0., posfp[1],0.,0,"ONLY");
375   gMC->Gspos("FPCB",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
376   // positioning the central PCB layer
377   gMC->Gspos("FPCB",3,"FSTR",0.,0.,0.,0,"ONLY");
378   
379   
380   
381   //-- MYLAR Layer definition
382
383   parfp[1] = khmyly*0.5;
384   gMC->Gsvolu("FMYL","BOX",idtmed[511],parfp,3);
385   // positioning 2 MYLAR Layers on FSTR volume
386   posfp[1] = -khstripy*0.5+khhony+khpcby+parfp[1];
387   gMC->Gspos("FMYL",1,"FSTR",0., posfp[1],0.,0,"ONLY");
388   gMC->Gspos("FMYL",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
389   // adding further 2 MYLAR Layers on FSTR volume
390   posfp[1] = khpcby*0.5+parfp[1];
391   gMC->Gspos("FMYL",3,"FSTR",0., posfp[1],0.,0,"ONLY");
392   gMC->Gspos("FMYL",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
393   
394   
395   //-- Graphite Layer definition
396  
397   parfp[1] = khgraphy*0.5;
398   gMC->Gsvolu("FGRP","BOX",idtmed[502],parfp,3);
399   // positioning 2 Graphite Layers on FSTR volume
400   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+parfp[1];
401   gMC->Gspos("FGRP",1,"FSTR",0., posfp[1],0.,0,"ONLY");
402   gMC->Gspos("FGRP",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
403   // adding further 2 Graphite Layers on FSTR volume
404   posfp[1] = khpcby*0.5+khmyly+parfp[1];
405   gMC->Gspos("FGRP",3,"FSTR",0., posfp[1],0.,0,"ONLY");
406   gMC->Gspos("FGRP",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
407   
408   
409   //-- Glass (EXT. +Semi INT.) Layer definition
410
411   parfp[1] = khglasseiy*0.5;
412   gMC->Gsvolu("FGLA","BOX",idtmed[514],parfp,3);
413   // positioning 2 Glass Layers on FSTR volume
414   posfp[1] = -khstripy*0.5+khhony+khpcby+khmyly+khgraphy+parfp[1];
415   gMC->Gspos("FGLA",1,"FSTR",0., posfp[1],0.,0,"ONLY");
416   gMC->Gspos("FGLA",2,"FSTR",0.,-posfp[1],0.,0,"ONLY");
417   // adding further 2 Glass Layers on FSTR volume
418   posfp[1] = khpcby*0.5+khmyly+khgraphy+parfp[1];
419   gMC->Gspos("FGLA",3,"FSTR",0., posfp[1],0.,0,"ONLY");
420   gMC->Gspos("FGLA",4,"FSTR",0.,-posfp[1],0.,0,"ONLY");
421   
422   
423   //-- Sensitive Mixture Layer definition
424  
425   parfp[0] = klsensmx*0.5;
426   parfp[1] = khsensmy*0.5;
427   parfp[2] = kwsensmz*0.5;
428   gMC->Gsvolu("FSEN","BOX",idtmed[513],parfp,3);
429   gMC->Gsvolu("FNSE","BOX",idtmed[512],parfp,3);
430   // positioning 2 gas Layers on FSTR volume
431   // the upper is insensitive freon
432   // while the remaining is sensitive
433   posfp[1] = khpcby*0.5+khmyly+khgraphy+khglasseiy+parfp[1];
434   gMC->Gspos("FNSE",0,"FSTR", 0., posfp[1],0.,0,"ONLY");
435   gMC->Gspos("FSEN",0,"FSTR", 0.,-posfp[1],0.,0,"ONLY");
436   
437   // dividing FSEN along z in knz=2 and along x in knx=48
438
439   gMC->Gsdvn("FSEZ","FSEN",knz,3);
440   gMC->Gsdvn("FSEX","FSEZ",knx,1);
441   
442   // FPAD volume definition
443
444   parfp[0] = klpadx*0.5;   
445   parfp[1] = khsensmy*0.5;
446   parfp[2] = kwpadz*0.5;
447   gMC->Gsvolu("FPAD","BOX",idtmed[513],parfp,3);
448   // positioning the FPAD volumes on previous divisions
449   gMC->Gspos("FPAD",0,"FSEX",0.,0.,0.,0,"ONLY");
450   
451
452   ///////////////////Positioning A module//////////////////////////
453
454
455   for(Int_t istrip =0; istrip < fTOFGeometry->NStripA(); istrip++){
456
457     Float_t ang = fTOFGeometry->GetAngles(2,istrip);
458     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
459     ang /= kRaddeg;
460     Float_t zpos = tan(ang)*radius;
461     Float_t ypos= fTOFGeometry->GetHeights(2,istrip);
462     gMC->Gspos("FSTR",fNStripA-istrip,"FLTA",0.,ypos, zpos,idrotm[0],  "ONLY");
463     if(fDebug>=1) {
464       printf("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius ,ang*kRaddeg,istrip);
465     }
466   }
467
468   
469   ///////////////////Positioning B module//////////////////////////
470
471   for(Int_t istrip =0; istrip < fTOFGeometry->NStripB(); istrip++){
472
473     Float_t ang = fTOFGeometry->GetAngles(3,istrip);
474     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
475     ang /= kRaddeg;
476     Float_t zpos = tan(ang)*radius+(zFLTA*0.5+zFLTB*0.5+db);
477     Float_t ypos= fTOFGeometry->GetHeights(3,istrip);
478     gMC->Gspos("FSTR",istrip+1,"FLTB",0.,ypos, zpos,idrotm[nrot],  "ONLY");
479     if(fDebug>=1) {
480       printf("y = %f,  z = %f, , z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip);
481     }
482   }
483
484   
485   ///////////////////Positioning C module//////////////////////////
486
487   for(Int_t istrip =0; istrip < fTOFGeometry->NStripC(); istrip++){
488
489     Float_t ang = fTOFGeometry->GetAngles(4,istrip);
490     AliMatrix (idrotm[0],90.,0.,90.-ang,90.,-ang, 90.);  
491     ang /= kRaddeg;
492     Float_t zpos = tan(ang)*radius+(zFLTC*0.5+zFLTB+zFLTA*0.5+db*2);
493     Float_t ypos= fTOFGeometry->GetHeights(4,istrip);
494     gMC->Gspos("FSTR",istrip+1,"FLTC",0.,ypos, zpos,idrotm[nrot],  "ONLY");
495     if(fDebug>=1) {
496       printf("y = %f,  z = %f, z coord = %f, Rot ang = %f, St. %2i \n",ypos,zpos,tan(ang)*radius,ang*kRaddeg,istrip);
497     }
498   }
499    
500   ////////// Layers after strips /////////////////
501   // Al Layer thickness (2.3mm) factor 0.7
502   
503   Float_t overSpace = fOverSpc;//cm
504   
505   par[0] = xFLT*0.5;
506   par[1] = 0.115*0.7; // factor 0.7
507   par[2] = (zFLTA *0.5);
508   ycoor = -yFLT/2 + overSpace + par[1];
509   gMC->Gsvolu("FPEA", "BOX ", idtmed[508], par, 3); // Al
510   gMC->Gspos ("FPEA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
511   par[2] = (zFLTB *0.5);
512   gMC->Gsvolu("FPEB", "BOX ", idtmed[508], par, 3); // Al
513   gMC->Gspos ("FPEB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
514   par[2] = (zFLTC *0.5);
515   gMC->Gsvolu("FPEC", "BOX ", idtmed[508], par, 3); // Al
516   gMC->Gspos ("FPEC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
517   
518   
519   // plexiglass thickness: 1.5 mm ; factor 0.3
520
521   ycoor += par[1];
522   par[0] = xFLT*0.5;
523   par[1] = 0.075*0.3; // factor 0.3 
524   par[2] = (zFLTA *0.5);
525   ycoor += par[1];
526   gMC->Gsvolu("FECA", "BOX ", idtmed[505], par, 3); // Plexigl.
527   gMC->Gspos ("FECA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
528   par[2] = (zFLTB *0.5);
529   gMC->Gsvolu("FECB", "BOX ", idtmed[505], par, 3); // Plexigl.
530   gMC->Gspos ("FECB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
531   par[2] = (zFLTC *0.5);
532   gMC->Gsvolu("FECC", "BOX ", idtmed[505], par, 3); // Plexigl.
533   gMC->Gspos ("FECC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
534   
535   // frame of Air
536
537   ycoor += par[1];
538   par[0] = xFLT*0.5;
539   par[1] = (yFLT/2-ycoor-khAlWall)*0.5; // Aluminum layer considered (0.18 cm)
540   par[2] = (zFLTA *0.5);
541   ycoor += par[1];
542   gMC->Gsvolu("FAIA", "BOX ", idtmed[500], par, 3); // Air
543   gMC->Gspos ("FAIA", 0, "FLTA", 0., ycoor, 0., 0, "ONLY");
544   par[2] = (zFLTB *0.5);
545   gMC->Gsvolu("FAIB", "BOX ", idtmed[500], par, 3); // Air
546   gMC->Gspos ("FAIB", 0, "FLTB", 0., ycoor, 0., 0, "ONLY");
547   par[2] = (zFLTC *0.5);
548   gMC->Gsvolu("FAIC", "BOX ", idtmed[500], par, 3); // Air
549   gMC->Gspos ("FAIC", 0, "FLTC", 0., ycoor, 0., 0, "ONLY");
550   
551   
552   // start with cards and cooling tubes
553   // finally, cards, cooling tubes and layer for thermal dispersion
554   // 3 volumes
555   // card volume definition
556   
557   // see GEOM200 in GEANT manual
558
559
560   AliMatrix(idrotm[98], 90., 0., 90., 90., 0., 0.); // 0 deg
561   
562   Float_t cardpar[3];
563   cardpar[0]= 61.;
564   cardpar[1]= 5.;
565   cardpar[2]= 0.1;
566   gMC->Gsvolu("FCAR", "BOX ", idtmed[504], cardpar, 3); // PCB Card 
567   //alu plate volume definition
568   cardpar[1]= 3.5;
569   cardpar[2]= 0.05;
570   gMC->Gsvolu("FALP", "BOX ", idtmed[508], cardpar, 3); // Alu Plate
571   
572   
573   // central module positioning (FAIA)
574   Float_t cardpos[3], aplpos2, stepforcardA=6.625;
575   cardpos[0]= 0.;
576   cardpos[1]= -0.5;
577   cardpos[2]= -53.;
578   Float_t aplpos1 = -2.;
579   Int_t icard;
580   for (icard=0; icard < fTOFGeometry->NStripA(); ++icard) {
581     cardpos[2]= cardpos[2]+stepforcardA;
582     aplpos2 = cardpos[2]+0.15;
583     gMC->Gspos("FCAR",icard,"FAIA",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
584     gMC->Gspos("FALP",icard,"FAIA",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
585     
586   }
587   
588   
589   // intermediate module positioning (FAIB)
590   Float_t stepforcardB= 7.05;
591   cardpos[2]= -70.5;
592   for (icard=0; icard < fTOFGeometry->NStripB(); ++icard) {
593     cardpos[2]= cardpos[2]+stepforcardB;
594     aplpos2 = cardpos[2]+0.15; 
595     gMC->Gspos("FCAR",icard,"FAIB",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
596     gMC->Gspos("FALP",icard,"FAIB",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
597   }
598   
599   
600   // outer module positioning (FAIC)
601   Float_t stepforcardC= 8.45238;
602   cardpos[2]= -88.75;
603   for (icard=0; icard < fTOFGeometry->NStripC(); ++icard) {
604     cardpos[2]= cardpos[2]+stepforcardC;
605     aplpos2 = cardpos[2]+0.15;
606     gMC->Gspos("FCAR",icard,"FAIC",cardpos[0],cardpos[1],cardpos[2],idrotm[98],"ONLY");
607     gMC->Gspos("FALP",icard,"FAIC",cardpos[0],aplpos1,aplpos2,idrotm[98],"ONLY");
608   }
609   
610   // tube volume definition
611
612   Float_t tubepar[3];
613   tubepar[0]= 0.;
614   tubepar[1]= 0.4;
615   tubepar[2]= 61.;
616   gMC->Gsvolu("FTUB", "TUBE", idtmed[516], tubepar, 3); // cooling tubes (steel)
617   tubepar[0]= 0.;
618   tubepar[1]= 0.35;
619   tubepar[2]= 61.;
620   gMC->Gsvolu("FITU", "TUBE", idtmed[515], tubepar, 3); // cooling water
621   // positioning water tube into the steel one
622   gMC->Gspos("FITU",1,"FTUB",0.,0.,0.,0,"ONLY");
623   
624   
625   // rotation matrix
626   AliMatrix(idrotm[99], 180., 90., 90., 90., 90., 0.);
627   // central module positioning (FAIA)
628   Float_t tubepos[3], tdis=0.6;
629   tubepos[0]= 0.;
630   tubepos[1]= cardpos[1];
631   tubepos[2]= -53.+tdis;
632   //  tub1pos = 5.;
633   Int_t itub;
634   for (itub=0; itub < fTOFGeometry->NStripA(); ++itub) {
635     tubepos[2]= tubepos[2]+stepforcardA;
636     gMC->Gspos("FTUB",itub,"FAIA",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
637                "ONLY");
638   }
639   
640   
641   // intermediate module positioning (FAIB)
642   tubepos[2]= -70.5+tdis;
643   for (itub=0; itub < fTOFGeometry->NStripB(); ++itub) {
644     tubepos[2]= tubepos[2]+stepforcardB;
645     gMC->Gspos("FTUB",itub,"FAIB",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
646                "ONLY");
647   }
648   
649   // outer module positioning (FAIC)
650   tubepos[2]= -88.75+tdis;
651   for (itub=0; itub < fTOFGeometry->NStripC(); ++itub) {
652     tubepos[2]= tubepos[2]+stepforcardC;
653     gMC->Gspos("FTUB",itub,"FAIC",tubepos[0],tubepos[1],tubepos[2],idrotm[99],
654                "ONLY");
655   }
656
657 }
658 //_____________________________________________________________________________
659 void AliTOFv4T0::DrawModule() const
660 {
661   //
662   // Draw a shaded view of the Time Of Flight version 4
663   //
664   // Set everything unseen
665   gMC->Gsatt("*", "seen", -1);
666   // 
667   // Set ALIC mother transparent
668   gMC->Gsatt("ALIC","SEEN",0);
669   //
670   // Set the volumes visible
671   gMC->Gsatt("ALIC","SEEN",0);
672
673   gMC->Gsatt("FTOA","SEEN",1);
674   gMC->Gsatt("FTOB","SEEN",1);
675   gMC->Gsatt("FTOC","SEEN",1);
676   gMC->Gsatt("FLTA","SEEN",1);
677   gMC->Gsatt("FLTB","SEEN",1);
678   gMC->Gsatt("FLTC","SEEN",1);
679   gMC->Gsatt("FPLA","SEEN",1);
680   gMC->Gsatt("FPLB","SEEN",1);
681   gMC->Gsatt("FPLC","SEEN",1);
682   gMC->Gsatt("FSTR","SEEN",1);
683   gMC->Gsatt("FPEA","SEEN",1);
684   gMC->Gsatt("FPEB","SEEN",1);
685   gMC->Gsatt("FPEC","SEEN",1);
686   
687   gMC->Gsatt("FLZ1","SEEN",0);
688   gMC->Gsatt("FLZ2","SEEN",0);
689   gMC->Gsatt("FLZ3","SEEN",0);
690   gMC->Gsatt("FLX1","SEEN",0);
691   gMC->Gsatt("FLX2","SEEN",0);
692   gMC->Gsatt("FLX3","SEEN",0);
693   gMC->Gsatt("FPAD","SEEN",0);
694
695   gMC->Gdopt("hide", "on");
696   gMC->Gdopt("shad", "on");
697   gMC->Gsatt("*", "fill", 7);
698   gMC->SetClipBox(".");
699   gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000);
700   gMC->DefaultRange();
701   gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02);
702   gMC->Gdhead(1111, "Time Of Flight");
703   gMC->Gdman(18, 4, "MAN");
704   gMC->Gdopt("hide","off");
705 }
706 //_____________________________________________________________________________
707 void AliTOFv4T0::DrawDetectorModules()
708 {
709 //
710 // Draw a shaded view of the TOF detector version 4
711 //
712  
713  
714 //Set ALIC mother transparent
715   gMC->Gsatt("ALIC","SEEN",0);
716
717 //
718 //Set volumes visible
719 // 
720 //=====> Level 1
721   // Level 1 for TOF volumes
722   gMC->Gsatt("B077","seen",0);
723  
724  
725 //==========> Level 2
726   // Level 2
727   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
728   gMC->Gsatt("B071","seen",0);
729   gMC->Gsatt("B074","seen",0);
730   gMC->Gsatt("B075","seen",0);
731   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level                
732
733
734   // Level 2 of B071
735   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
736   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
737   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
738   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
739   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
740   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
741   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
742   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
743   gMC->Gsatt("BTO1","seen",0);
744
745  
746   // Level 2 of B074
747   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
748   gMC->Gsatt("BTO2","seen",0);
749
750   // Level 2 of B075
751   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
752   gMC->Gsatt("BTO3","seen",0);
753
754 // ==================> Level 3
755   // Level 3 of B071 / Level 2 of BTO1
756   gMC->Gsatt("FTOC","seen",-2);
757   gMC->Gsatt("FTOB","seen",-2);
758   gMC->Gsatt("FTOA","seen",-2);
759  
760   // Level 3 of B074 / Level 2 of BTO2
761   // -> cfr previous settings
762  
763   // Level 3 of B075 / Level 2 of BTO3
764   // -> cfr previous settings
765
766   gMC->Gdopt("hide","on");
767   gMC->Gdopt("shad","on");
768   gMC->Gsatt("*", "fill", 5);
769   gMC->SetClipBox(".");
770   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
771   gMC->DefaultRange();
772   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
773   gMC->Gdhead(1111,"TOF detector V1");
774   gMC->Gdman(18, 4, "MAN");
775   gMC->Gdopt("hide","off");
776 }                                 
777
778 //_____________________________________________________________________________
779 void AliTOFv4T0::DrawDetectorStrips()
780 {
781   //
782   // Draw a shaded view of the TOF strips for version 4
783   //
784   
785   //Set ALIC mother transparent
786   gMC->Gsatt("ALIC","SEEN",0);
787   
788   //
789   //Set volumes visible 
790   //=====> Level 1
791   // Level 1 for TOF volumes
792   gMC->Gsatt("B077","seen",0);
793   
794   //==========> Level 2
795   // Level 2
796   gMC->Gsatt("B076","seen",-1); // all B076 sub-levels skipped -
797   gMC->Gsatt("B071","seen",0);
798   gMC->Gsatt("B074","seen",0);
799   gMC->Gsatt("B075","seen",0);
800   gMC->Gsatt("B080","seen",0); // B080 does not has sub-level
801   
802   // Level 2 of B071
803   gMC->Gsatt("B063","seen",-1); // all B063 sub-levels skipped   -
804   gMC->Gsatt("B065","seen",-1); // all B065 sub-levels skipped   -
805   gMC->Gsatt("B067","seen",-1); // all B067 sub-levels skipped   -
806   gMC->Gsatt("B069","seen",-1); // all B069 sub-levels skipped   -
807   gMC->Gsatt("B056","seen",0);  // B056 does not has sub-levels  -
808   gMC->Gsatt("B059","seen",-1); // all B059 sub-levels skipped   -
809   gMC->Gsatt("B072","seen",-1); // all B072 sub-levels skipped   -
810   gMC->Gsatt("BTR1","seen",0);  // BTR1 do not have sub-levels   -
811   gMC->Gsatt("BTO1","seen",0);
812   
813   // ==================> Level 3
814   // Level 3 of B071 / Level 2 of BTO1
815   gMC->Gsatt("FTOC","seen",0);
816   gMC->Gsatt("FTOB","seen",0);
817   gMC->Gsatt("FTOA","seen",0);
818   
819   // Level 3 of B074 / Level 2 of BTO2
820   // -> cfr previous settings
821   
822   // Level 3 of B075 / Level 2 of BTO3
823   // -> cfr previous settings
824   
825   
826   // ==========================> Level 4
827   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOC
828   gMC->Gsatt("FLTC","seen",0);
829   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOB
830   gMC->Gsatt("FLTB","seen",0);
831   // Level 4 of B071 / Level 3 of BTO1 / Level 2 of FTOA
832   gMC->Gsatt("FLTA","seen",0);
833   
834   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOC
835   // -> cfr previous settings
836   // Level 4 of B074 / Level 3 of BTO2 / Level 2 of FTOB
837   // -> cfr previous settings
838   
839   // Level 4 of B075 / Level 3 of BTO3 / Level 2 of FTOC
840   // -> cfr previous settings
841   
842   //======================================> Level 5
843   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOC / Level 2 of FLTC
844   gMC->Gsatt("FALC","seen",0); // no children for FALC
845   gMC->Gsatt("FSTR","seen",-2);
846   gMC->Gsatt("FPEC","seen",0); // no children for FPEC
847   gMC->Gsatt("FECC","seen",0); // no children for FECC
848   gMC->Gsatt("FWAC","seen",0); // no children for FWAC
849   gMC->Gsatt("FAIC","seen",0); // no children for FAIC
850   
851   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOB / Level 2 of FLTB
852   gMC->Gsatt("FALB","seen",0); // no children for FALB
853   //-->  gMC->Gsatt("FSTR","seen",-2);
854   
855   
856   // -> cfr previous settings
857   gMC->Gsatt("FPEB","seen",0); // no children for FPEB
858   gMC->Gsatt("FECB","seen",0); // no children for FECB
859   gMC->Gsatt("FWAB","seen",0); // no children for FWAB
860   gMC->Gsatt("FAIB","seen",0); // no children for FAIB
861   
862   // Level 5 of B071 / Level 4 of BTO1 / Level 3 of FTOA / Level 2 of FLTA
863   gMC->Gsatt("FALA","seen",0); // no children for FALB
864   //-->  gMC->Gsatt("FSTR","seen",-2);
865   // -> cfr previous settings
866   gMC->Gsatt("FPEA","seen",0); // no children for FPEA
867   gMC->Gsatt("FECA","seen",0); // no children for FECA
868   gMC->Gsatt("FWAA","seen",0); // no children for FWAA
869   gMC->Gsatt("FAIA","seen",0); // no children for FAIA
870   
871   // Level 2 of B074
872   gMC->Gsatt("BTR2","seen",0); // BTR2 does not has sub-levels -
873   gMC->Gsatt("BTO2","seen",0);
874   
875   // Level 2 of B075
876   gMC->Gsatt("BTR3","seen",0); // BTR3 do not have sub-levels -
877   gMC->Gsatt("BTO3","seen",0);
878   
879   // for others Level 5, cfr. previous settings
880
881   gMC->Gdopt("hide","on");
882   gMC->Gdopt("shad","on");
883   gMC->Gsatt("*", "fill", 5);
884   gMC->SetClipBox(".");
885   gMC->SetClipBox("*", 0, 1000, 0, 1000, 0, 1000);
886   gMC->DefaultRange();
887   gMC->Gdraw("alic", 45, 40, 0, 10, 10, .015, .015);
888   gMC->Gdhead(1111,"TOF Strips V1");
889   gMC->Gdman(18, 4, "MAN");
890   gMC->Gdopt("hide","off");
891 }
892
893 //_____________________________________________________________________________
894 void AliTOFv4T0::CreateMaterials()
895 {
896   //
897   // Define materials for the Time Of Flight
898   //
899   AliTOF::CreateMaterials();
900 }
901
902 //_____________________________________________________________________________
903 void AliTOFv4T0::Init()
904 {
905   //
906   // Initialise the detector after the geometry has been defined
907   //
908   if(fDebug) {   
909     printf("%s: **************************************"
910            "  TOF  "
911            "**************************************\n",ClassName());
912     printf("\n%s:   Version 4 of TOF initialing, "
913            "symmetric TOF - Full Coverage version\n",ClassName());
914   }
915   
916   AliTOF::Init();
917   
918   fIdFTOA = gMC->VolId("FTOA");
919   fIdFTOB = gMC->VolId("FTOB");
920   fIdFTOC = gMC->VolId("FTOC");
921   fIdFLTA = gMC->VolId("FLTA");
922   fIdFLTB = gMC->VolId("FLTB");
923   fIdFLTC = gMC->VolId("FLTC");
924
925   if(fDebug) {   
926     printf("%s: **************************************"
927            "  TOF  "
928            "**************************************\n",ClassName());
929   }
930 }
931  
932 //_____________________________________________________________________________
933 void AliTOFv4T0::StepManager()
934 {
935
936   //
937   // Procedure called at each step in the Time Of Flight
938   //
939
940   TLorentzVector mom, pos;
941   Float_t xm[3],pm[3],xpad[3],ppad[3];
942   Float_t hits[14],phi,phid,z;
943   Int_t   vol[5];
944   Int_t   sector, plate, padx, padz, strip;
945   Int_t   copy, padzid, padxid, stripid, i;
946   Int_t   *idtmed = fIdtmed->GetArray()-499;
947   Float_t incidenceAngle;
948       
949   if(gMC->GetMedium()==idtmed[513] && 
950      gMC->IsTrackEntering() && gMC->TrackCharge()
951      && gMC->CurrentVolID(copy)==fIdSens) 
952   {    
953     // getting information about hit volumes
954     
955     padzid=gMC->CurrentVolOffID(2,copy);
956     padz=copy; 
957
958     
959     padxid=gMC->CurrentVolOffID(1,copy);
960     padx=copy; 
961     
962     stripid=gMC->CurrentVolOffID(4,copy);
963     strip=copy; 
964
965     gMC->TrackPosition(pos);
966     gMC->TrackMomentum(mom);
967
968
969     //    Double_t NormPos=1./pos.Rho();
970
971     Double_t normMom=1./mom.Rho();
972
973     //  getting the cohordinates in pad ref system
974
975     xm[0] = (Float_t)pos.X();
976     xm[1] = (Float_t)pos.Y();
977     xm[2] = (Float_t)pos.Z();
978
979     pm[0] = (Float_t)mom.X()*normMom;
980     pm[1] = (Float_t)mom.Y()*normMom;
981     pm[2] = (Float_t)mom.Z()*normMom;
982  
983     gMC->Gmtod(xm,xpad,1);
984     gMC->Gmtod(pm,ppad,2);
985
986     incidenceAngle = TMath::ACos(ppad[1])*kRaddeg;
987
988
989     z = pos[2];
990
991     plate = -1;  
992
993     if (TMath::Abs(z) <=  fZlenA*0.5)  plate = 2; //3; // AdC
994     if (z < (fZlenA*0.5+fZlenB) && 
995         z >  fZlenA*0.5)               plate = 1; //4; // AdC
996     if (z >-(fZlenA*0.5+fZlenB) &&
997         z < -fZlenA*0.5)               plate = 3; //2; // AdC
998     if (z > (fZlenA*0.5+fZlenB))       plate = 0; //5; // AdC
999     if (z <-(fZlenA*0.5+fZlenB))       plate = 4; //1; // AdC
1000
1001
1002     if (plate==0) strip=fTOFGeometry->NStripC()-strip; // AdC
1003     else if (plate==1) strip=fTOFGeometry->NStripB()-strip; // AdC
1004     else strip--; // AdC
1005  
1006     //Apply ALICE conventions for volume numbering increasing with theta, phi 
1007
1008     if (plate==3 || plate==4){
1009       padx=fTOFGeometry->NpadX()-padx; // SA
1010       padz=fTOFGeometry->NpadZ()-padz; // AdC
1011       xpad[0]=-xpad[0];      
1012       xpad[2]=-xpad[2];      
1013     }
1014     else {
1015      padx--; // AdC
1016      padz--; // AdC
1017     }
1018
1019
1020
1021     phi = pos.Phi();
1022     if (phi>=0.) phid = phi*kRaddeg; //+180.; // AdC
1023     else phid = phi*kRaddeg + 360.; // AdC
1024
1025     sector = Int_t (phid/20.);
1026
1027     for(i=0;i<3;++i) {
1028       hits[i]   = pos[i];
1029       hits[i+3] = pm[i];
1030     }
1031
1032     hits[6] = mom.Rho();
1033     hits[7] = pos[3];
1034     hits[8] = xpad[0];
1035     hits[9] = xpad[1];
1036     hits[10]= xpad[2];
1037     hits[11]= incidenceAngle;
1038     hits[12]= gMC->Edep();
1039     hits[13]= gMC->TrackLength();
1040     
1041     vol[0]= sector;
1042     vol[1]= plate;
1043     vol[2]= strip;
1044     vol[3]= padx;
1045     vol[4]= padz;    
1046
1047     AddT0Hit(gAlice->GetMCApp()->GetCurrentTrackNumber(),vol, hits);
1048   }
1049 }