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d3c7bfac 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/*
17$Log$
48e6af28 18Revision 1.17.1 2006/12/15
19 Added methods:
20 DetToSectorRF(...) to get pad corners
21 coordinates in its sector reference frame;
22 GetVolumePath(Int_t sector, Char_t *path)
23 to get the volume path for a sector
24 GetVolumePath(Int_t sector, Int_t plate, Int_t strip, Char_t *path)
25 to get the volume path for a strip
26 (A.De Caro, M.Di Stefano)
27Revision 1.7 2006/07/12 16:03:59 arcelli
28updates to match the new numbering of the TOF/TRD mother volumes in FRAME (ALICE convention)
29
96c2b15b 30Revision 1.6 2006/05/04 19:41:42 hristov
31Possibility for partial TOF geometry (S.Arcelli)
32
06e24a91 33Revision 1.5 2006/04/20 22:30:50 hristov
34Coding conventions (Annalisa)
35
0e46b9ae 36Revision 1.4 2006/04/16 22:29:05 hristov
37Coding conventions (Annalisa)
38
7aeeaf38 39Revision 1.3 2006/03/12 14:38:05 arcelli
40 Changes for TOF Reconstruction using TGeo
41
a6a9820c 42Revision 1.2 2006/02/28 10:38:00 decaro
43AliTOFGeometry::fAngles, AliTOFGeometry::fHeights, AliTOFGeometry::fDistances arrays: dimension definition in the right location
44
4402e7cb 45Revision 1.1 2005/12/15 08:55:33 decaro
46New TOF geometry description (V5) -G. Cara Romeo and A. De Caro
47
d3c7bfac 48Revision 0.1 2005/07/19 G. Cara Romeo and A. De Caro
49 Modify Global methods IsInsideThePad & DistanceToPad
50 according to the new TOF geometry
51 Implement Global methods GetPadDx & GetPadDy & GetPadDz
52 Implement Private methods Translation & Rotation & InverseRotation
53 Modify Global methods GetDetID & GetPlate & GetSector &
54 GetStrip & GetPadX & GetPadZ
55 according to the new TOF geometry
56 Modify Global methods GetPos & GetX & GetY & GetZ
57 according to the new TOF geometry
58*/
59
d3c7bfac 60///////////////////////////////////////////////////////////////////////////////
61// //
62// TOF Geometry class (new version) //
63// //
64///////////////////////////////////////////////////////////////////////////////
65
0e46b9ae 66#include "TGeoManager.h"
67
d3c7bfac 68#include "AliConst.h"
0e46b9ae 69#include "AliLog.h"
70
d3c7bfac 71#include "AliTOFGeometryV5.h"
72
0e46b9ae 73extern TGeoManager *gGeoManager;
74
d3c7bfac 75ClassImp(AliTOFGeometryV5)
76
d3c7bfac 77
78const Float_t AliTOFGeometryV5::fgkZlenA = 370.6*2.; // length (cm) of the A module
79const Float_t AliTOFGeometryV5::fgkZlenB = 146.5; // length (cm) of the B module
80const Float_t AliTOFGeometryV5::fgkZlenC = 170.45; // length (cm) of the C module
81const Float_t AliTOFGeometryV5::fgkMaxhZtof = 370.6; // Max half z-size of TOF (cm)
d3c7bfac 82
83const Float_t AliTOFGeometryV5::fgkxTOF = 371.-0.01;// Inner radius of the TOF for Reconstruction (cm)
84const Float_t AliTOFGeometryV5::fgkRmin = 370.-0.01;// Inner radius of the TOF (cm)
85const Float_t AliTOFGeometryV5::fgkRmax = 399.-0.01;// Outer radius of the TOF (cm)
86
87//_____________________________________________________________________________
88AliTOFGeometryV5::AliTOFGeometryV5()
89 :AliTOFGeometry()
90{
91 //
92 // AliTOFGeometryV5 default constructor
93 //
94
7aeeaf38 95 AliTOFGeometry::fNStripC = kNStripC; // number of strips in C type module
d3c7bfac 96
7aeeaf38 97 AliTOFGeometry::fZlenA = fgkZlenA; // length of the TOF supermodule (cm)
98 AliTOFGeometry::fZlenB = fgkZlenB; // length of the B module (cm)
99 AliTOFGeometry::fZlenC = fgkZlenC; // length of the C module (cm)
100 AliTOFGeometry::fMaxhZtof = fgkMaxhZtof; // Max half z-size of TOF supermodule (cm)
d3c7bfac 101
7aeeaf38 102 AliTOFGeometry::fxTOF = fgkxTOF; // Inner radius of the TOF for Reconstruction (cm)
103 AliTOFGeometry::fRmin = fgkRmin; // Inner radius of the TOF (cm)
104 AliTOFGeometry::fRmax = fgkRmax; // Outer radius of the TOF (cm)
d3c7bfac 105
106 Init();
107
108}
109
110//_____________________________________________________________________________
111AliTOFGeometryV5::~AliTOFGeometryV5()
112{
113 //
114 // AliTOFGeometryV5 destructor
115 //
116
117}
118//_____________________________________________________________________________
a6a9820c 119void AliTOFGeometryV5::ImportGeometry(){
120 TGeoManager::Import("geometry.root");
121}
122//_____________________________________________________________________________
d3c7bfac 123void AliTOFGeometryV5::Init()
124{
125 //
126 // Initialize strip Tilt Angles, Heights and Distances
127 //
128 // Strips Tilt Angles
129
130 // For each strip to be positoned in FLTA/FLTB/FLTC,
131 // define 3 arrays containing:
132 // the angle of the normal with respect to the Y axis of FLTA/FLTB/FLTC
133 // the Y of the center with respect to the FLTA/FLTB/FLTC reference frame
134 // the Z of the center with respect to the BT01/BT02/BT03 reference frame
135
136
7aeeaf38 137 fPhiSec = 360./kNSectors;
138
d3c7bfac 139 Float_t const kangles[kNPlates][kMaxNstrip] ={
140 { 43.99, 43.20, 42.40, 41.59, 40.77, 39.94, 39.11, 38.25, 37.40, 36.53,
4402e7cb 141 35.65, 34.76, 33.87, 32.96, 32.05, 31.13, 30.19, 29.24, 12.33, 0.00},
d3c7bfac 142
143 { 27.26, 26.28, 25.30, 24.31, 23.31, 22.31, 21.30, 20.29, 19.26, 18.24,
4402e7cb 144 17.20, 16.16, 15.11, 14.05, 13.00, 11.93, 10.87, 9.80, 8.74, 0.00},
d3c7bfac 145
146 { 0.00, 6.30, 5.31, 4.25, 3.19, 2.12, 1.06, 0.00, -1.06, -2.12,
4402e7cb 147 -3.19, -4.25, -5.31, -6.30, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00},
d3c7bfac 148
149 { -8.74, -9.80, -10.87, -11.93, -13.00, -14.05, -15.11, -16.16, -17.20, -18.24,
4402e7cb 150 -19.26, -20.29, -21.30, -22.31, -23.31, -24.31, -25.30, -26.28, -27.26, 0.00},
d3c7bfac 151
152 {-12.33, -29.24, -30.19, -31.13, -32.05, -32.96, -33.87, -34.76, -35.65, -36.53,
4402e7cb 153 -37.40, -38.25, -39.11, -39.94, -40.77, -41.59, -42.40, -43.20, -43.99, 0.00}
d3c7bfac 154 };
155
156 Float_t const kheights[kNPlates][kMaxNstrip]= {
157 {-8.2, -7.5, -8.2, -7.7, -8.1, -7.6, -7.7, -7.7, -7.7, -7.7,
4402e7cb 158 -7.5, -7.2, -7.3, -7.5, -7.6, -7.8, -8.3, -9.3, -3.1, 0.0},
d3c7bfac 159
160 {-7.9, -8.1, -8.5, -9.0, -10.1, -3.9, -5.9, -7.7, -10.1, -3.6,
4402e7cb 161 -5.8, -8.0, -10.4, -4.4, -7.2, -10.2, -4.6, -7.4, -10.4, 0.0},
d3c7bfac 162
163 {-2.5, -10.4, -5.0, -9.9, -4.8, -9.9, -4.7, -10.2, -4.7, -9.9,
4402e7cb 164 -4.8, -9.9, -5.0, -10.4, -2.5, 0.0, 0.0, 0.0, 0.0, 0.0},
d3c7bfac 165
166 {-10.4, -7.4, -4.6, -10.2, -7.2, -4.4, -10.4, -8.0, -5.8, -3.6,
4402e7cb 167 -10.1, -7.7, -5.9, -3.9, -10.1, -9.0, -8.5, -8.1, -7.9, 0.0},
d3c7bfac 168
169 { -3.1, -9.3, -8.3, -7.8, -7.6, -7.5, -7.3, -7.2, -7.5, -7.7,
4402e7cb 170 -7.7, -7.7, -7.7, -7.6, -8.1, -7.7, -8.2, -7.5, -8.2, 0.0}
d3c7bfac 171 };
172
173
174 Float_t const kdistances[kNPlates][kMaxNstrip]= {
175 { 364.1, 354.9, 344.5, 335.4, 325.5, 316.6, 307.2, 298.0, 288.9, 280.0,
4402e7cb 176 271.3, 262.7, 254.0, 244.8, 236.1, 227.7, 219.1, 210.3, 205.7, 0.0},
d3c7bfac 177
178 { 194.2, 186.1, 177.9, 169.8, 161.5, 156.3, 147.8, 139.4, 130.9, 125.6,
4402e7cb 179 117.3, 109.2, 101.1, 95.3, 87.1, 79.2, 73.0, 65.1, 57.6, 0.0},
d3c7bfac 180
181 { 49.5, 41.3, 35.3, 27.8, 21.2, 13.9, 7.0, 0.0, -7.0, -13.9,
4402e7cb 182 -21.2, -27.8, -35.3, -41.3, -49.5, 0.0, 0.0, 0.0, 0.0, 0.0},
d3c7bfac 183
184 { -57.6, -65.1, -73.0, -79.2, -87.1, -95.3, -101.1, -109.2, -117.3, -125.6,
4402e7cb 185 -130.9, -139.4, -147.8, -156.3, -161.5, -169.8, -177.9, -186.1, -194.2, 0.0},
d3c7bfac 186
187 {-205.7, -210.3, -219.1, -227.7, -236.1, -244.8, -254.0, -262.7, -271.3, -280.0,
4402e7cb 188 -288.9, -298.0, -307.2, -316.6, -325.5, -335.4, -344.5, -354.9, -364.1, 0.0}
d3c7bfac 189 };
190
191
d3c7bfac 192 for (Int_t iplate = 0; iplate < kNPlates; iplate++) {
193 for (Int_t istrip = 0; istrip < kMaxNstrip; istrip++) {
194 AliTOFGeometry::fAngles[iplate][istrip] = kangles[iplate][istrip];
195 AliTOFGeometry::fHeights[iplate][istrip] = kheights[iplate][istrip];
196 AliTOFGeometry::fDistances[iplate][istrip]= kdistances[iplate][istrip];
197 }
198 }
199
200}
201
202//_____________________________________________________________________________
7aeeaf38 203Float_t AliTOFGeometryV5::DistanceToPadPar(Int_t *det, Float_t *pos, Float_t *dist3d) const
d3c7bfac 204{
205//
206// Returns distance of space point with coor pos (x,y,z) (cm) wrt
207// pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
208//
209
210 //Transform pos into Sector Frame
211
212 Float_t x = pos[0];
213 Float_t y = pos[1];
214 Float_t z = pos[2];
215
216 Float_t radius = TMath::Sqrt(x*x+y*y);
217 //Float_t phi=TMath::ATan(y/x);
218 //if(phi<0) phi = k2PI+phi; //2.*TMath::Pi()+phi;
219 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
220 // Get the local angle in the sector philoc
221 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fPhiSec) + 0.5)*fPhiSec;
222 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
223 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
224 Float_t zs = z;
225
226 // Do the same for the selected pad
227
228 Float_t g[3];
a6a9820c 229 GetPosPar(det,g);
d3c7bfac 230
231 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
232 //Float_t padPhi = TMath::ATan(g[1]/g[0]);
233 //if(padPhi<0) padPhi = k2Pi + padPhi;
234 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
235
236 // Get the local angle in the sector philoc
237 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fPhiSec)+ 0.5) * fPhiSec;
238 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
239 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
240 Float_t padzs = g[2];
241
242 //Now move to local pad coordinate frame. Translate:
243
244 Float_t xt = xs-padxs;
245 Float_t yt = ys-padys;
246 Float_t zt = zs-padzs;
247 //Now Rotate:
248
249 Float_t alpha = GetAngles(det[1],det[2]);
250 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
251 Float_t yr = yt;
252 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
253
254 Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr);
255
256 if (dist3d){
257 dist3d[0] = xr;
258 dist3d[1] = yr;
259 dist3d[2] = zr;
260 }
261
262 return dist;
263
264}
265
266//_____________________________________________________________________________
7aeeaf38 267Bool_t AliTOFGeometryV5::IsInsideThePadPar(Int_t *det, Float_t *pos) const
d3c7bfac 268{
269//
270// Returns true if space point with coor pos (x,y,z) (cm) falls
271// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
272//
273
274 Bool_t isInside=false;
275
276 /*
277 const Float_t khhony = 1.0 ; // heigth of HONY Layer
278 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
279 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
280 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
281 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
282 //const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
283 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
284 //const Float_t kwstripz = kwcpcbz;
285 //const Float_t klstripx = fgkStripLength;
286 */
287
a6a9820c 288 const Float_t khsensmy = 0.5;//0.05;//0.11;//0.16;// // heigth of Sensitive Layer
d3c7bfac 289
290 //Transform pos into Sector Frame
291
292 Float_t x = pos[0];
293 Float_t y = pos[1];
294 Float_t z = pos[2];
295
296 Float_t radius = TMath::Sqrt(x*x+y*y);
297 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
298
299 // Get the local angle in the sector philoc
300 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fPhiSec) + 0.5) *fPhiSec;
301 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
302 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
303 Float_t zs = z;
304
305 // Do the same for the selected pad
306
307 Float_t g[3];
a6a9820c 308 GetPosPar(det,g);
d3c7bfac 309
310 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
311 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
312
313 // Get the local angle in the sector philoc
314 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fPhiSec)+ 0.5) * fPhiSec;
315 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
316 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
317 Float_t padzs = g[2];
318
319 //Now move to local pad coordinate frame. Translate:
320
321 Float_t xt = xs-padxs;
322 Float_t yt = ys-padys;
323 Float_t zt = zs-padzs;
324
325 //Now Rotate:
326
327 Float_t alpha = GetAngles(det[1],det[2]);
328 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
329 Float_t yr = yt;
330 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
331
d3c7bfac 332 if(TMath::Abs(xr)<=khsensmy*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
d3c7bfac 333 isInside=true;
334 return isInside;
335
336}
337
a6a9820c 338
339//_____________________________________________________________________________
7aeeaf38 340Float_t AliTOFGeometryV5::DistanceToPad(Int_t *det, TGeoHMatrix mat, Float_t *pos, Float_t *dist3d) const
a6a9820c 341{
342//
343// Returns distance of space point with coor pos (x,y,z) (cm) wrt
344// pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
345//
346 if (!gGeoManager) {
347 printf("ERROR: no TGeo\n");
348 return 0.;
349 }
350 Double_t vecg[3];
351 vecg[0]=pos[0];
352 vecg[1]=pos[1];
353 vecg[2]=pos[2];
354 Double_t veclr[3]={-1.,-1.,-1.};
355 Double_t vecl[3]={-1.,-1.,-1.};
356 mat.MasterToLocal(vecg,veclr);
357 vecl[0]=veclr[1];
358 vecl[1]=veclr[0];
359 //take into account reflections
360 if(det[1]>-1)vecl[2]=-veclr[2];
361
362 Float_t dist = TMath::Sqrt(vecl[0]*vecl[0]+vecl[1]*vecl[1]+vecl[2]*vecl[2]);
363
364
365 if (dist3d){
366 dist3d[0] = vecl[0];
367 dist3d[1] = vecl[1];
368 dist3d[2] = vecl[2];
369 }
370
371 return dist;
372
373}
374
375
376//_____________________________________________________________________________
7aeeaf38 377Bool_t AliTOFGeometryV5::IsInsideThePad( Int_t *det, TGeoHMatrix mat, Float_t *pos) const
a6a9820c 378{
379//
380// Returns true if space point with coor pos (x,y,z) (cm) falls
381// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
382//
383
384 const Float_t khsensmy = 0.5; // heigth of Sensitive Layer
385 Double_t vecg[3];
386 vecg[0]=pos[0];
387 vecg[1]=pos[1];
388 vecg[2]=pos[2];
389 Double_t veclr[3]={-1.,-1.,-1.};
390 Double_t vecl[3]={-1.,-1.,-1.};
391 mat.MasterToLocal(vecg,vecl);
392 vecl[0]=veclr[1];
393 vecl[1]=veclr[0];
394 //take into account reflections
395 if(det[1]>-1)vecl[2]=-veclr[2];
396
397 Float_t xr = vecl[0];
398 Float_t yr = vecl[1];
399 Float_t zr = vecl[2];
400
401 Bool_t isInside=false;
402 if(TMath::Abs(xr)<= khsensmy*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
403 isInside=true;
404 return isInside;
405
406}
407//_____________________________________________________________________________
d3c7bfac 408//_____________________________________________________________________________
7aeeaf38 409Float_t AliTOFGeometryV5::GetX(Int_t *det) const
d3c7bfac 410{
411 //
412 // Returns X coordinate (cm)
413 //
414
415 Int_t isector = det[0];
416 Int_t iplate = det[1];
417 Int_t istrip = det[2];
418 Int_t ipadz = det[3];
419 Int_t ipadx = det[4];
420
421 /*
422 // Find out distance d on the plane wrt median phi:
423 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
424
425 // The radius r in xy plane:
426 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
427 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
428 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
429 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
430
431 // local azimuthal angle in the sector philoc
432 Float_t philoc = TMath::ATan(d/r);
433 //if(philoc<0.) philoc = k2PI + philoc;
434
435 // azimuthal angle in the global frame phi
436 Float_t phi = philoc*kRaddeg+(isector+0.5)*fPhiSec;
437
438 Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
439 */
440
441 // Pad reference frame -> FSTR reference frame
442 // /*
443 Float_t posLocal[3] = {0., 0., 0.};
444 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
445 Translation(posLocal,step);
446
447 step[0] = kNpadX*0.5*fgkXPad;
448 step[1] = 0.;
449 step[2] = kNpadZ*0.5*fgkZPad;
450 // */
451 /*
452 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
453 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
454 */
455 Translation(posLocal,step);
456
457 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
458 Double_t angles[6];
459 if (GetAngles(iplate,istrip) >0.) {
460 angles[0] = 90.;
461 angles[1] = 0.;
462 angles[2] = 90.+GetAngles(iplate,istrip);
463 angles[3] = 90.;
464 angles[4] = GetAngles(iplate,istrip);
465 angles[5] = 90.;
466 }
467 else if (GetAngles(iplate,istrip)==0.) {
468 angles[0] = 90.;
469 angles[1] = 0.;
470 angles[2] = 90.;
471 angles[3] = 90.;
472 angles[4] = 0;
473 angles[5] = 0.;
474 }
475 else if (GetAngles(iplate,istrip) <0.) {
476 angles[0] = 90.;
477 angles[1] = 0.;
478 angles[2] = 90.+GetAngles(iplate,istrip);
479 angles[3] = 90.;
480 angles[4] =-GetAngles(iplate,istrip);
481 angles[5] = 270.;
482 }
483
484 InverseRotation(posLocal,angles);
485
486 step[0] = 0.;
487 step[1] = -GetHeights(iplate,istrip);
488 step[2] = GetDistances(iplate,istrip);
489 Translation(posLocal,step);
490
491 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
492 angles[0] = 90.;
493 angles[1] = 0.;
494 angles[2] = 0.;
495 angles[3] = 0.;
496 angles[4] = 90.;
497 angles[5] =270.;
498
499 InverseRotation(posLocal,angles);
500
501 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
502 step[0] = 0.;
503 step[1] = 0.;
504 step[2] = -((fgkRmax+fgkRmin)*0.5);
505 Translation(posLocal,step);
506
507 angles[0] = 90.;
508 angles[1] = 90.+(isector+0.5)*fPhiSec;
509 angles[2] = 0.;
510 angles[3] = 0.;
511 angles[4] = 90.;
512 angles[5] = (isector+0.5)*fPhiSec;
513
514 InverseRotation(posLocal,angles);
515
516 Float_t xCoor = posLocal[0];
517
518 return xCoor;
519
520}
521//_____________________________________________________________________________
7aeeaf38 522Float_t AliTOFGeometryV5::GetY(Int_t *det) const
d3c7bfac 523{
524 //
525 // Returns Y coordinate (cm)
526 //
527
528 Int_t isector = det[0];
529 Int_t iplate = det[1];
530 Int_t istrip = det[2];
531 Int_t ipadz = det[3];
532 Int_t ipadx = det[4];
533
534 /*
535 // Find out distance d on the plane wrt median phi:
536 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
537
538 // The radius r in xy plane:
539 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
540 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
541 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
542 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
543
544 // local azimuthal angle in the sector philoc
545 Float_t philoc = TMath::ATan(d/r);
546 //if(philoc<0.) philoc = k2PI + philoc;
547
548 // azimuthal angle in the global frame phi
549 Float_t phi = philoc*kRaddeg+(isector+0.5)*fPhiSec;
550
551 Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
552 */
553
554 // Pad reference frame -> FSTR reference frame
555 // /*
556 Float_t posLocal[3] = {0., 0., 0.};
557 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
558 Translation(posLocal,step);
559
560 step[0] = kNpadX*0.5*fgkXPad;
561 step[1] = 0.;
562 step[2] = kNpadZ*0.5*fgkZPad;
563 // */
564 /*
565 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
566 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
567 */
568 Translation(posLocal,step);
569
570 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
571
572 Double_t angles[6];
573 if (GetAngles(iplate,istrip) >0.) {
574 angles[0] = 90.;
575 angles[1] = 0.;
576 angles[2] = 90.+GetAngles(iplate,istrip);
577 angles[3] = 90.;
578 angles[4] = GetAngles(iplate,istrip);
579 angles[5] = 90.;
580 }
581 else if (GetAngles(iplate,istrip)==0.) {
582 angles[0] = 90.;
583 angles[1] = 0.;
584 angles[2] = 90.;
585 angles[3] = 90.;
586 angles[4] = 0;
587 angles[5] = 0.;
588 }
589 else if (GetAngles(iplate,istrip) <0.) {
590 angles[0] = 90.;
591 angles[1] = 0.;
592 angles[2] = 90.+GetAngles(iplate,istrip);
593 angles[3] = 90.;
594 angles[4] =-GetAngles(iplate,istrip);
595 angles[5] = 270.;
596 }
597
598 InverseRotation(posLocal,angles);
599
600 step[0] = 0.;
601 step[1] = -GetHeights(iplate,istrip);
602 step[2] = GetDistances(iplate,istrip);
603 Translation(posLocal,step);
604
605 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
606 angles[0] = 90.;
607 angles[1] = 0.;
608 angles[2] = 0.;
609 angles[3] = 0.;
610 angles[4] = 90.;
611 angles[5] =270.;
612
613 InverseRotation(posLocal,angles);
614
615 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
616 step[0] = 0.;
617 step[1] = 0.;
618 step[2] = -((fgkRmax+fgkRmin)*0.5);
619 Translation(posLocal,step);
620
621 angles[0] = 90.;
622 angles[1] = 90.+(isector+0.5)*fPhiSec;
623 angles[2] = 0.;
624 angles[3] = 0.;
625 angles[4] = 90.;
626 angles[5] = (isector+0.5)*fPhiSec;
627
628 InverseRotation(posLocal,angles);
629
630 Float_t yCoor = posLocal[1];
631
632 return yCoor;
633
634}
635
636//_____________________________________________________________________________
7aeeaf38 637Float_t AliTOFGeometryV5::GetZ(Int_t *det) const
d3c7bfac 638{
639 //
640 // Returns Z coordinate (cm)
641 //
642
643 Int_t isector = det[0];
644 Int_t iplate = det[1];
645 Int_t istrip = det[2];
646 Int_t ipadz = det[3];
647 Int_t ipadx = det[4];
648
649 /*
650 Float_t zCoor = GetDistances(iplate,istrip) +
651 (0.5-ipadz) * fgkZPad * TMath::Cos(GetAngles(iplate,istrip)*kDegrad);
652 */
653
654 // Pad reference frame -> FSTR reference frame
655 // /*
656 Float_t posLocal[3] = {0., 0., 0.};
657 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
658 Translation(posLocal,step);
659
660 step[0] = kNpadX*0.5*fgkXPad;
661 step[1] = 0.;
662 step[2] = kNpadZ*0.5*fgkZPad;
663 // */
664 /*
665 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
666 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
667 */
668 Translation(posLocal,step);
669
670 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
671 Double_t angles[6];
672 if (GetAngles(iplate,istrip) >0.) {
673 angles[0] = 90.;
674 angles[1] = 0.;
675 angles[2] = 90.+GetAngles(iplate,istrip);
676 angles[3] = 90.;
677 angles[4] = GetAngles(iplate,istrip);
678 angles[5] = 90.;
679 }
680 else if (GetAngles(iplate,istrip)==0.) {
681 angles[0] = 90.;
682 angles[1] = 0.;
683 angles[2] = 90.;
684 angles[3] = 90.;
685 angles[4] = 0;
686 angles[5] = 0.;
687 }
688 else if (GetAngles(iplate,istrip) <0.) {
689 angles[0] = 90.;
690 angles[1] = 0.;
691 angles[2] = 90.+GetAngles(iplate,istrip);
692 angles[3] = 90.;
693 angles[4] =-GetAngles(iplate,istrip);
694 angles[5] = 270.;
695 }
696
697 InverseRotation(posLocal,angles);
698
699 step[0] = 0.;
700 step[1] = -GetHeights(iplate,istrip);
701 step[2] = GetDistances(iplate,istrip);
702 Translation(posLocal,step);
703
704 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
705 angles[0] = 90.;
706 angles[1] = 0.;
707 angles[2] = 0.;
708 angles[3] = 0.;
709 angles[4] = 90.;
710 angles[5] =270.;
711
712 InverseRotation(posLocal,angles);
713
714 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
715 step[0] = 0.;
716 step[1] = 0.;
717 step[2] = -((fgkRmax+fgkRmin)*0.5);
718 Translation(posLocal,step);
719
720 angles[0] = 90.;
721 angles[1] = 90.+(isector+0.5)*fPhiSec;
722 angles[2] = 0.;
723 angles[3] = 0.;
724 angles[4] = 90.;
725 angles[5] = (isector+0.5)*fPhiSec;
726
727 InverseRotation(posLocal,angles);
728
729 Float_t zCoor = posLocal[2];
730
731 return zCoor;
732
733}
734
735//_____________________________________________________________________________
7aeeaf38 736Int_t AliTOFGeometryV5::GetSector(Float_t *pos) const
d3c7bfac 737{
738 //
739 // Returns the Sector index
740 //
741
742 //const Float_t khAlWall = 0.1;
743 //const Float_t kModuleWallThickness = 0.3;
744
745 Int_t iSect = -1;
746
747 Float_t x = pos[0];
748 Float_t y = pos[1];
749 Float_t z = pos[2];
750
751 Float_t rho = TMath::Sqrt(x*x + y*y);
752
753 //if (!((z>=-fgkMaxhZtof && z<=fgkMaxhZtof) &&
754 if (!((z>=-fgkZlenA*0.5 && z<=fgkZlenA*0.5) &&
755 (rho>=(fgkRmin) && rho<=(fgkRmax)))) {
756 //(rho>=(fgkRmin-0.05)+kModuleWallThickness && rho<=(fgkRmax-0.05)-kModuleWallThickness-khAlWall-kModuleWallThickness))) {
757 //AliError("Detector Index could not be determined");
758 return iSect;
759 }
760
761 Float_t phi = TMath::Pi() + TMath::ATan2(-y,-x);
762
763 iSect = (Int_t) (phi*kRaddeg/fPhiSec);
764
765 return iSect;
766
767}
768//_____________________________________________________________________________
769
7aeeaf38 770Int_t AliTOFGeometryV5::GetPlate(Float_t *pos) const
d3c7bfac 771{
772 //
773 // Returns the Plate index
774 //
775 const Float_t kInterCentrModBorder1 = 49.5;
776 const Float_t kInterCentrModBorder2 = 57.5;
777 const Float_t kExterInterModBorder1 = 196.0;
778 const Float_t kExterInterModBorder2 = 203.5;
779
780 const Float_t kLengthExInModBorder = 4.7;
781 const Float_t kLengthInCeModBorder = 7.0;
782
783 //const Float_t khAlWall = 0.1;
784 const Float_t kModuleWallThickness = 0.3;
785 //const Float_t kHoneycombLayerThickness = 1.5;
786
787 Int_t iPlate=-1;
788
789 Float_t posLocal[3];
790 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
791
792 Int_t isector = GetSector(posLocal);
793 if(isector == -1){
794 //AliError("Detector Index could not be determined");
795 return iPlate;
796 }
797
798 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
799 Double_t angles[6] =
800 {90., 90.+(isector+0.5)*fPhiSec,
801 0., 0.,
802 90., (isector+0.5)*fPhiSec
803 };
804 Rotation(posLocal,angles);
805
806 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
807 Translation(posLocal,step);
808
809 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
810 angles[0] = 90.;
811 angles[1] = 0.;
812 angles[2] = 0.;
813 angles[3] = 0.;
814 angles[4] = 90.;
815 angles[5] =270.;
816
817 Rotation(posLocal,angles);
818
819 Float_t yLocal = posLocal[1];
820 Float_t zLocal = posLocal[2];
821
822 Float_t deltaRhoLoc = (fgkRmax-fgkRmin)*0.5 - kModuleWallThickness + yLocal;
823 Float_t deltaZetaLoc = TMath::Abs(zLocal);
824
825 Float_t deltaRHOmax = 0.;
826
827 if (TMath::Abs(zLocal)>=kExterInterModBorder1 && TMath::Abs(zLocal)<=kExterInterModBorder2)
828 {
829 deltaRhoLoc -= kLengthExInModBorder;
830 deltaZetaLoc = kExterInterModBorder2-deltaZetaLoc;
831 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthExInModBorder; // old 5.35, new 4.8
832
833 if (deltaRhoLoc > deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) {
834 if (zLocal<0) iPlate = 0;
835 else iPlate = 4;
836 }
837 else {
838 if (zLocal<0) iPlate = 1;
839 else iPlate = 3;
840 }
841 }
842 else if (TMath::Abs(zLocal)>=kInterCentrModBorder1 && TMath::Abs(zLocal)<=kInterCentrModBorder2)
843 {
844 deltaRhoLoc -= kLengthInCeModBorder;
845 deltaZetaLoc = deltaZetaLoc-kInterCentrModBorder1;
846 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthInCeModBorder; // old 0.39, new 0.2
847
848 if (deltaRhoLoc>deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) iPlate = 2;
849 else {
850 if (zLocal<0) iPlate = 1;
851 else iPlate = 3;
852 }
853 }
854
855 if (zLocal>-fgkZlenA*0.5/*fgkMaxhZtof*/ && zLocal<-kExterInterModBorder2) iPlate = 0;
856 else if (zLocal>-kExterInterModBorder1 && zLocal<-kInterCentrModBorder2) iPlate = 1;
857 else if (zLocal>-kInterCentrModBorder1 && zLocal< kInterCentrModBorder1) iPlate = 2;
858 else if (zLocal> kInterCentrModBorder2 && zLocal< kExterInterModBorder1) iPlate = 3;
859 else if (zLocal> kExterInterModBorder2 && zLocal< fgkZlenA*0.5/*fgkMaxhZtof*/) iPlate = 4;
860
861 return iPlate;
862
863}
864
865//_____________________________________________________________________________
7aeeaf38 866Int_t AliTOFGeometryV5::GetStrip(Float_t *pos) const
d3c7bfac 867{
868 //
869 // Returns the Strip index
870 //
871 const Float_t khhony = 1.0 ; // heigth of HONY Layer
872 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
873 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
874 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
875 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
876 const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
877 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
878 const Float_t kwstripz = kwcpcbz;
879 const Float_t klstripx = fgkStripLength;
880
881 Int_t iStrip=-1;
882
883 Float_t posLocal[3];
884 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
885
886 Int_t isector = GetSector(posLocal);
887 if(isector == -1){
888 //AliError("Detector Index could not be determined");
889 return iStrip;}
890 Int_t iplate = GetPlate(posLocal);
891 if(iplate == -1){
892 //AliError("Detector Index could not be determined");
893 return iStrip;}
894
895 Int_t nstrips=0;
896 switch (iplate) {
897 case 0:
898 nstrips=kNStripC;
899 break;
900 case 4:
901 nstrips=kNStripC;
902 break;
903 case 1:
904 nstrips=kNStripB;
905 break;
906 case 3:
907 nstrips=kNStripB;
908 break;
909 case 2:
910 nstrips=kNStripA;
911 break;
912 }
913
914 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
915 Double_t angles[6] =
916 {90., 90.+(isector+0.5)*fPhiSec,
917 0., 0.,
918 90., (isector+0.5)*fPhiSec
919 };
920 Rotation(posLocal,angles);
921
922 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
923 Translation(posLocal,step);
924
925 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
926 angles[0] = 90.;
927 angles[1] = 0.;
928 angles[2] = 0.;
929 angles[3] = 0.;
930 angles[4] = 90.;
931 angles[5] =270.;
932
933 Rotation(posLocal,angles);
934
935 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
936 Int_t totStrip=0;
937 for (Int_t istrip=0; istrip<nstrips; istrip++){
938
939 Float_t posLoc2[3]={posLocal[0],posLocal[1],posLocal[2]};
940
941 step[0] = 0.;
942 step[1] = GetHeights(iplate,istrip);
943 step[2] = -GetDistances(iplate,istrip);
944 Translation(posLoc2,step);
945
946 if (GetAngles(iplate,istrip) >0.) {
947 angles[0] = 90.;
948 angles[1] = 0.;
949 angles[2] = 90.+GetAngles(iplate,istrip);
950 angles[3] = 90.;
951 angles[4] = GetAngles(iplate,istrip);
952 angles[5] = 90.;
953 }
954 else if (GetAngles(iplate,istrip)==0.) {
955 angles[0] = 90.;
956 angles[1] = 0.;
957 angles[2] = 90.;
958 angles[3] = 90.;
959 angles[4] = 0;
960 angles[5] = 0.;
961 }
962 else if (GetAngles(iplate,istrip) <0.) {
963 angles[0] = 90.;
964 angles[1] = 0.;
965 angles[2] = 90.+GetAngles(iplate,istrip);
966 angles[3] = 90.;
967 angles[4] =-GetAngles(iplate,istrip);
968 angles[5] = 270.;
969 }
970 Rotation(posLoc2,angles);
971
972 if ((TMath::Abs(posLoc2[0])<=klstripx*0.5) &&
973 (TMath::Abs(posLoc2[1])<=khstripy*0.5) &&
974 (TMath::Abs(posLoc2[2])<=kwstripz*0.5)) {
975 iStrip = istrip;
976 totStrip++;
977 for (Int_t jj=0; jj<3; jj++) posLocal[jj]=posLoc2[jj];
978 //AliInfo(Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ", posLocal[0],posLocal[1],posLocal[2]));
979
980 //AliInfo(Form(" GetAngles(%1i,%2i) = %f, pos[0] = %f, pos[1] = %f, pos[2] = %f", iplate, istrip, GetAngles(iplate,istrip), pos[0], pos[1], pos[2]));
981 break;
982 }
983
984 if (totStrip>1) AliInfo(Form("total strip number found %2i",totStrip));
985
986 }
987
988 return iStrip;
989
990}
991//_____________________________________________________________________________
7aeeaf38 992Int_t AliTOFGeometryV5::GetPadZ(Float_t *pos) const
d3c7bfac 993{
994 //
995 // Returns the Pad index along Z
996 //
997 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
998 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
999 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
1000
1001 Int_t iPadZ = -1;
1002
1003 Float_t posLocal[3];
1004 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1005
1006 Int_t isector = GetSector(posLocal);
1007 if(isector == -1){
1008 //AliError("Detector Index could not be determined");
1009 return iPadZ;}
1010 Int_t iplate = GetPlate(posLocal);
1011 if(iplate == -1){
1012 //AliError("Detector Index could not be determined");
1013 return iPadZ;}
1014 Int_t istrip = GetStrip(posLocal);
1015 if(istrip == -1){
1016 //AliError("Detector Index could not be determined");
1017 return iPadZ;}
1018
1019 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1020 Double_t angles[6] =
1021 {90., 90.+(isector+0.5)*fPhiSec,
1022 0., 0.,
1023 90., (isector+0.5)*fPhiSec
1024 };
1025 Rotation(posLocal,angles);
1026
1027 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1028 Translation(posLocal,step);
1029
1030 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
1031 angles[0] = 90.;
1032 angles[1] = 0.;
1033 angles[2] = 0.;
1034 angles[3] = 0.;
1035 angles[4] = 90.;
1036 angles[5] =270.;
1037
1038 Rotation(posLocal,angles);
1039
1040 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1041 step[0] = 0.;
1042 step[1] = GetHeights(iplate,istrip);
1043 step[2] = -GetDistances(iplate,istrip);
1044 Translation(posLocal,step);
1045
1046 if (GetAngles(iplate,istrip) >0.) {
1047 angles[0] = 90.;
1048 angles[1] = 0.;
1049 angles[2] = 90.+GetAngles(iplate,istrip);
1050 angles[3] = 90.;
1051 angles[4] = GetAngles(iplate,istrip);
1052 angles[5] = 90.;
1053 }
1054 else if (GetAngles(iplate,istrip)==0.) {
1055 angles[0] = 90.;
1056 angles[1] = 0.;
1057 angles[2] = 90.;
1058 angles[3] = 90.;
1059 angles[4] = 0;
1060 angles[5] = 0.;
1061 }
1062 else if (GetAngles(iplate,istrip) <0.) {
1063 angles[0] = 90.;
1064 angles[1] = 0.;
1065 angles[2] = 90.+GetAngles(iplate,istrip);
1066 angles[3] = 90.;
1067 angles[4] =-GetAngles(iplate,istrip);
1068 angles[5] = 270.;
1069 }
1070 Rotation(posLocal,angles);
1071
1072 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
1073 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
1074
1075 step[0] =-0.5*kNpadX*fgkXPad;
1076 step[1] = 0.;
1077 step[2] =-0.5*kNpadZ*fgkZPad;
1078 Translation(posLocal,step);
1079
1080 iPadZ = (Int_t)(posLocal[2]/fgkZPad);
1081 if (iPadZ==kNpadZ) iPadZ--;
1082 else if (iPadZ>kNpadZ) iPadZ=-1;
1083
1084 //}
1085 // else AliError("Detector Index could not be determined");
1086
1087 return iPadZ;
1088
1089}
1090//_____________________________________________________________________________
7aeeaf38 1091Int_t AliTOFGeometryV5::GetPadX(Float_t *pos) const
d3c7bfac 1092{
1093 //
1094 // Returns the Pad index along X
1095 //
1096 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
1097 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
1098 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
1099
1100 Int_t iPadX = -1;
1101
1102 Float_t posLocal[3];
1103 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1104
1105 Int_t isector = GetSector(posLocal);
1106 if(isector == -1){
1107 //AliError("Detector Index could not be determined");
1108 return iPadX;}
1109 Int_t iplate = GetPlate(posLocal);
1110 if(iplate == -1){
1111 //AliError("Detector Index could not be determined");
1112 return iPadX;}
1113 Int_t istrip = GetStrip(posLocal);
1114 if(istrip == -1){
1115 //AliError("Detector Index could not be determined");
1116 return iPadX;}
1117
1118 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1119 Double_t angles[6] =
1120 {90., 90.+(isector+0.5)*fPhiSec,
1121 0., 0.,
1122 90., (isector+0.5)*fPhiSec
1123 };
1124 Rotation(posLocal,angles);
1125
1126 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1127 Translation(posLocal,step);
1128
1129 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1130 angles[0] = 90.;
1131 angles[1] = 0.;
1132 angles[2] = 0.;
1133 angles[3] = 0.;
1134 angles[4] = 90.;
1135 angles[5] =270.;
1136
1137 Rotation(posLocal,angles);
1138
1139 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1140 step[0] = 0.;
1141 step[1] = GetHeights(iplate,istrip);
1142 step[2] = -GetDistances(iplate,istrip);
1143 Translation(posLocal,step);
1144
1145 if (GetAngles(iplate,istrip) >0.) {
1146 angles[0] = 90.;
1147 angles[1] = 0.;
1148 angles[2] = 90.+GetAngles(iplate,istrip);
1149 angles[3] = 90.;
1150 angles[4] = GetAngles(iplate,istrip);
1151 angles[5] = 90.;
1152 }
1153 else if (GetAngles(iplate,istrip)==0.) {
1154 angles[0] = 90.;
1155 angles[1] = 0.;
1156 angles[2] = 90.;
1157 angles[3] = 90.;
1158 angles[4] = 0;
1159 angles[5] = 0.;
1160 }
1161 else if (GetAngles(iplate,istrip) <0.) {
1162 angles[0] = 90.;
1163 angles[1] = 0.;
1164 angles[2] = 90.+GetAngles(iplate,istrip);
1165 angles[3] = 90.;
1166 angles[4] =-GetAngles(iplate,istrip);
1167 angles[5] = 270.;
1168 }
1169 Rotation(posLocal,angles);
1170
1171 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
1172 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
1173
1174 step[0] =-0.5*kNpadX*fgkXPad;
1175 step[1] = 0.;
1176 step[2] =-0.5*kNpadZ*fgkZPad;
1177 Translation(posLocal,step);
1178
1179 iPadX = (Int_t)(posLocal[0]/fgkXPad);
1180 if (iPadX==kNpadX) iPadX--;
1181 else if (iPadX>kNpadX) iPadX=-1;
1182
1183 //}
1184 //else AliError("Detector Index could not be determined");
1185
1186 return iPadX;
1187
1188}
1189//_____________________________________________________________________________
1190
1191Float_t AliTOFGeometryV5::GetPadDx(Float_t *pos)
1192{
1193 //
1194 // Returns the x coordinate in the Pad reference frame
1195 //
1196
1197 Float_t xpad = -2.;
1198
1199 Float_t posLocal[3];
1200 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1201
1202 Int_t isector = GetSector(posLocal);
1203 if(isector == -1){
1204 //AliError("Detector Index could not be determined");
1205 return xpad;}
1206 Int_t iplate = GetPlate(posLocal);
1207 if(iplate == -1){
1208 //AliError("Detector Index could not be determined");
1209 return xpad;}
1210 Int_t istrip = GetStrip(posLocal);
1211 if(istrip == -1){
1212 //AliError("Detector Index could not be determined");
1213 return xpad;}
1214 Int_t ipadz = GetPadZ(posLocal);
1215 if(ipadz == -1){
1216 //AliError("Detector Index could not be determined");
1217 return xpad;}
1218 Int_t ipadx = GetPadX(posLocal);
1219 if(ipadx == -1){
1220 //AliError("Detector Index could not be determined");
1221 return xpad;}
1222
1223 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1224 Double_t angles[6] =
1225 {90., 90.+(isector+0.5)*fPhiSec,
1226 0., 0.,
1227 90., (isector+0.5)*fPhiSec
1228 };
1229 Rotation(posLocal,angles);
1230
1231 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1232 Translation(posLocal,step);
1233
1234 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1235 angles[0] = 90.;
1236 angles[1] = 0.;
1237 angles[2] = 0.;
1238 angles[3] = 0.;
1239 angles[4] = 90.;
1240 angles[5] =270.;
1241
1242 Rotation(posLocal,angles);
1243
1244 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1245 step[0] = 0.;
1246 step[1] = GetHeights(iplate,istrip);
1247 step[2] = -GetDistances(iplate,istrip);
1248 Translation(posLocal,step);
1249
1250 if (GetAngles(iplate,istrip) >0.) {
1251 angles[0] = 90.;
1252 angles[1] = 0.;
1253 angles[2] = 90.+GetAngles(iplate,istrip);
1254 angles[3] = 90.;
1255 angles[4] = GetAngles(iplate,istrip);
1256 angles[5] = 90.;
1257 }
1258 else if (GetAngles(iplate,istrip)==0.) {
1259 angles[0] = 90.;
1260 angles[1] = 0.;
1261 angles[2] = 90.;
1262 angles[3] = 90.;
1263 angles[4] = 0;
1264 angles[5] = 0.;
1265 }
1266 else if (GetAngles(iplate,istrip) <0.) {
1267 angles[0] = 90.;
1268 angles[1] = 0.;
1269 angles[2] = 90.+GetAngles(iplate,istrip);
1270 angles[3] = 90.;
1271 angles[4] =-GetAngles(iplate,istrip);
1272 angles[5] = 270.;
1273 }
1274 Rotation(posLocal,angles);
1275
1276 step[0] =-0.5*kNpadX*fgkXPad;
1277 step[1] = 0.;
1278 step[2] =-0.5*kNpadZ*fgkZPad;
1279 Translation(posLocal,step);
1280
1281 step[0] = (ipadx+0.5)*fgkXPad;
1282 step[1] = 0.;
1283 step[2] = (ipadz+0.5)*fgkZPad;
1284 Translation(posLocal,step);
1285
1286 xpad=posLocal[0];
1287
1288 return xpad;
1289
1290}
1291//_____________________________________________________________________________
1292Float_t AliTOFGeometryV5::GetPadDy(Float_t *pos)
1293{
1294 //
48e6af28 1295 // Returns the y coordinate in the Pad reference frame
d3c7bfac 1296 //
1297
1298 Float_t ypad = -2.;
1299
1300 Float_t posLocal[3];
1301 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1302
1303 Int_t isector = GetSector(posLocal);
1304 if(isector == -1){
1305 //AliError("Detector Index could not be determined");
1306 return ypad;}
1307 Int_t iplate = GetPlate(posLocal);
1308 if(iplate == -1){
1309 //AliError("Detector Index could not be determined");
1310 return ypad;}
1311 Int_t istrip = GetStrip(posLocal);
1312 if(istrip == -1){
1313 //AliError("Detector Index could not be determined");
1314 return ypad;}
1315 Int_t ipadz = GetPadZ(posLocal);
1316 if(ipadz == -1){
1317 //AliError("Detector Index could not be determined");
1318 return ypad;}
1319 Int_t ipadx = GetPadX(posLocal);
1320 if(ipadx == -1){
1321 //AliError("Detector Index could not be determined");
1322 return ypad;}
1323
1324 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1325 Double_t angles[6] =
1326 {90., 90.+(isector+0.5)*fPhiSec,
1327 0., 0.,
1328 90., (isector+0.5)*fPhiSec
1329 };
1330 Rotation(posLocal,angles);
1331
1332 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1333 Translation(posLocal,step);
1334
1335 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1336 angles[0] = 90.;
1337 angles[1] = 0.;
1338 angles[2] = 0.;
1339 angles[3] = 0.;
1340 angles[4] = 90.;
1341 angles[5] =270.;
1342
1343 Rotation(posLocal,angles);
1344
1345 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1346 step[0] = 0.;
1347 step[1] = GetHeights(iplate,istrip);
1348 step[2] = -GetDistances(iplate,istrip);
1349 Translation(posLocal,step);
1350
1351 if (GetAngles(iplate,istrip) >0.) {
1352 angles[0] = 90.;
1353 angles[1] = 0.;
1354 angles[2] = 90.+GetAngles(iplate,istrip);
1355 angles[3] = 90.;
1356 angles[4] = GetAngles(iplate,istrip);
1357 angles[5] = 90.;
1358 }
1359 else if (GetAngles(iplate,istrip)==0.) {
1360 angles[0] = 90.;
1361 angles[1] = 0.;
1362 angles[2] = 90.;
1363 angles[3] = 90.;
1364 angles[4] = 0;
1365 angles[5] = 0.;
1366 }
1367 else if (GetAngles(iplate,istrip) <0.) {
1368 angles[0] = 90.;
1369 angles[1] = 0.;
1370 angles[2] = 90.+GetAngles(iplate,istrip);
1371 angles[3] = 90.;
1372 angles[4] =-GetAngles(iplate,istrip);
1373 angles[5] = 270.;
1374 }
1375 Rotation(posLocal,angles);
1376
1377 step[0] =-0.5*kNpadX*fgkXPad;
1378 step[1] = 0.;
1379 step[2] =-0.5*kNpadZ*fgkZPad;
1380 Translation(posLocal,step);
1381
1382 step[0] = (ipadx+0.5)*fgkXPad;
1383 step[1] = 0.;
1384 step[2] = (ipadz+0.5)*fgkZPad;
1385 Translation(posLocal,step);
1386
1387 ypad=posLocal[1];
1388
1389 return ypad;
1390
1391}
1392//_____________________________________________________________________________
1393Float_t AliTOFGeometryV5::GetPadDz(Float_t *pos)
1394{
1395 //
48e6af28 1396 // Returns the z coordinate in the Pad reference frame
d3c7bfac 1397 //
1398
1399 Float_t zpad = -2.;
1400
1401 Float_t posLocal[3];
1402 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1403
1404 Int_t isector = GetSector(posLocal);
1405 if(isector == -1){
1406 //AliError("Detector Index could not be determined");
1407 return zpad;}
1408 Int_t iplate = GetPlate(posLocal);
1409 if(iplate == -1){
1410 //AliError("Detector Index could not be determined");
1411 return zpad;}
1412 Int_t istrip = GetStrip(posLocal);
1413 if(istrip == -1){
1414 //AliError("Detector Index could not be determined");
1415 return zpad;}
1416 Int_t ipadz = GetPadZ(posLocal);
1417 if(ipadz == -1){
1418 //AliError("Detector Index could not be determined");
1419 return zpad;}
1420 Int_t ipadx = GetPadX(posLocal);
1421 if(ipadx == -1){
1422 //AliError("Detector Index could not be determined");
1423 return zpad;}
1424
1425 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1426 Double_t angles[6] =
1427 {90., 90.+(isector+0.5)*fPhiSec,
1428 0., 0.,
1429 90., (isector+0.5)*fPhiSec
1430 };
1431 Rotation(posLocal,angles);
1432
1433 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1434 Translation(posLocal,step);
1435
1436 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1437 angles[0] = 90.;
1438 angles[1] = 0.;
1439 angles[2] = 0.;
1440 angles[3] = 0.;
1441 angles[4] = 90.;
1442 angles[5] =270.;
1443
1444 Rotation(posLocal,angles);
1445
1446 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1447 step[0] = 0.;
1448 step[1] = GetHeights(iplate,istrip);
1449 step[2] = -GetDistances(iplate,istrip);
1450 Translation(posLocal,step);
1451
1452 if (GetAngles(iplate,istrip) >0.) {
1453 angles[0] = 90.;
1454 angles[1] = 0.;
1455 angles[2] = 90.+GetAngles(iplate,istrip);
1456 angles[3] = 90.;
1457 angles[4] = GetAngles(iplate,istrip);
1458 angles[5] = 90.;
1459 }
1460 else if (GetAngles(iplate,istrip)==0.) {
1461 angles[0] = 90.;
1462 angles[1] = 0.;
1463 angles[2] = 90.;
1464 angles[3] = 90.;
1465 angles[4] = 0;
1466 angles[5] = 0.;
1467 }
1468 else if (GetAngles(iplate,istrip) <0.) {
1469 angles[0] = 90.;
1470 angles[1] = 0.;
1471 angles[2] = 90.+GetAngles(iplate,istrip);
1472 angles[3] = 90.;
1473 angles[4] =-GetAngles(iplate,istrip);
1474 angles[5] = 270.;
1475 }
1476 Rotation(posLocal,angles);
1477
1478 step[0] =-0.5*kNpadX*fgkXPad;
1479 step[1] = 0.;
1480 step[2] =-0.5*kNpadZ*fgkZPad;
1481 Translation(posLocal,step);
1482
1483 step[0] = (ipadx+0.5)*fgkXPad;
1484 step[1] = 0.;
1485 step[2] = (ipadz+0.5)*fgkZPad;
1486 Translation(posLocal,step);
1487
1488 zpad=posLocal[2];
1489
1490 return zpad;
1491
1492}
1493//_____________________________________________________________________________
1494
7aeeaf38 1495void AliTOFGeometryV5::Translation(Float_t *xyz, Float_t translationVector[3]) const
d3c7bfac 1496{
7aeeaf38 1497 //
1498 // Return the vector xyz translated by translationVector vector
1499 //
d3c7bfac 1500
1501 Int_t ii=0;
1502
1503 for (ii=0; ii<3; ii++)
1504 xyz[ii] -= translationVector[ii];
1505
1506 return;
1507
1508}
1509//_____________________________________________________________________________
1510
7aeeaf38 1511void AliTOFGeometryV5::Rotation(Float_t *xyz, Double_t rotationAngles[6]) const
d3c7bfac 1512{
7aeeaf38 1513 //
1514 // Return the vector xyz rotated according to the rotationAngles angles
1515 //
d3c7bfac 1516
1517 Int_t ii=0;
1518 /*
1519 TRotMatrix *matrix = new TRotMatrix("matrix","matrix", angles[0], angles[1],
1520 angles[2], angles[3],
1521 angles[4], angles[5]);
1522 */
1523
1524 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1525
1526 Float_t xyzDummy[3] = {0., 0., 0.};
1527
1528 for (ii=0; ii<3; ii++) {
1529 xyzDummy[ii] =
1530 xyz[0]*TMath::Sin(rotationAngles[2*ii])*TMath::Cos(rotationAngles[2*ii+1]) +
1531 xyz[1]*TMath::Sin(rotationAngles[2*ii])*TMath::Sin(rotationAngles[2*ii+1]) +
1532 xyz[2]*TMath::Cos(rotationAngles[2*ii]);
1533 }
1534
1535 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1536
1537 return;
1538
1539}
1540//_____________________________________________________________________________
7aeeaf38 1541void AliTOFGeometryV5::InverseRotation(Float_t *xyz, Double_t rotationAngles[6]) const
d3c7bfac 1542{
7aeeaf38 1543 //
1544 //
1545 //
d3c7bfac 1546
1547 Int_t ii=0;
1548
1549 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1550
1551 Float_t xyzDummy[3] = {0., 0., 0.};
1552
1553 xyzDummy[0] =
1554 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Cos(rotationAngles[1]) +
1555 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Cos(rotationAngles[3]) +
1556 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Cos(rotationAngles[5]);
1557
1558 xyzDummy[1] =
1559 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Sin(rotationAngles[1]) +
1560 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Sin(rotationAngles[3]) +
1561 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Sin(rotationAngles[5]);
1562
1563 xyzDummy[2] =
1564 xyz[0]*TMath::Cos(rotationAngles[0]) +
1565 xyz[1]*TMath::Cos(rotationAngles[2]) +
1566 xyz[2]*TMath::Cos(rotationAngles[4]);
1567
1568 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1569
1570 return;
1571
1572}
1573//_____________________________________________________________________________
a6a9820c 1574void AliTOFGeometryV5::GetVolumePath(Int_t *ind, Char_t *path ) {
1575 //--------------------------------------------------------------------
1576 // This function returns the colume path of a given pad
1577 //--------------------------------------------------------------------
1578 Int_t sector = ind[0];
1579 Char_t string1[100];
1580 Char_t string2[100];
1581 Char_t string3[100];
1582
1583 Int_t icopy=-1;
96c2b15b 1584 icopy=sector;
1585 // Old 6h convention
1586 // if(sector<13){
1587 // icopy=sector+5;}
1588 // else{ icopy=sector-13;}
06e24a91 1589 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1/FTOA_0/FLTA_0",icopy,icopy);
a6a9820c 1590
1591 Int_t iplate=ind[1];
1592 Int_t istrip=ind[2];
1593 if( iplate==0) icopy=istrip;
1594 if( iplate==1) icopy=istrip+NStripC();
1595 if( iplate==2) icopy=istrip+NStripC()+NStripB();
1596 if( iplate==3) icopy=istrip+NStripC()+NStripB()+NStripA();
1597 if( iplate==4) icopy=istrip+NStripC()+2*NStripB()+NStripA();
1598 icopy++;
1599 sprintf(string2,"FSTR_%i",icopy);
1600 if(fHoles && (sector==11 || sector==12)){
1601 if(iplate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
1602 if(iplate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
1603 }
1604
1605
1606 Int_t padz = ind[3]+1;
1607 Int_t padx = ind[4]+1;
1608 sprintf(string3,"FPCB_1/FSEN_1/FSEZ_%i/FPAD_%i",padz,padx);
1609 sprintf(path,"%s/%s/%s",string1,string2,string3);
1610
48e6af28 1611}
1612//_____________________________________________________________________________
1613void AliTOFGeometryV5::GetVolumePath(Int_t sector, Char_t *path ){
1614 //--------------------------------------------------------------------
1615 // This function returns the colume path of a given sector
1616 //--------------------------------------------------------------------
1617
1618 Char_t string[100];
1619
1620 Int_t icopy = sector;
1621 // Old 6h convention
1622 // if(sector<13){
1623 // icopy=sector+5;}
1624 // else{ icopy=sector-13;}
1625
1626 sprintf(string,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
1627 sprintf(path,"%s",string);
1628
1629}
1630//_____________________________________________________________________________
1631void AliTOFGeometryV5::GetVolumePath(Int_t sector, Int_t plate, Int_t strip, Char_t *path ) {
1632 //--------------------------------------------------------------------
1633 // This function returns the colume path of a given strip
1634 //--------------------------------------------------------------------
1635
1636 Char_t string1[100];
1637 Char_t string2[100];
1638 Char_t string3[100];
1639
1640 Int_t icopy = sector;
1641 // Old 6h convention
1642 // if(sector<13){
1643 // icopy=sector+5;}
1644 // else{ icopy=sector-13;}
1645 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1/FTOA_0/FLTA_0",icopy,icopy);
1646
1647 if(plate==0) icopy=strip;
1648 if(plate==1) icopy=strip+NStripC();
1649 if(plate==2) icopy=strip+NStripC()+NStripB();
1650 if(plate==3) icopy=strip+NStripC()+NStripB()+NStripA();
1651 if(plate==4) icopy=strip+NStripC()+2*NStripB()+NStripA();
1652 icopy++;
1653 sprintf(string2,"FSTR_%i",icopy);
1654 if(fHoles && (sector==11 || sector==12)) {
1655 if(plate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
1656 if(plate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
1657 }
1658
1659 sprintf(string3,"FPCB_1/FSEN_1");
1660 sprintf(path,"%s/%s/%s",string1,string2,string3);
1661
a6a9820c 1662}
1663//_____________________________________________________________________________
1664void AliTOFGeometryV5::GetPos(Int_t *det, Float_t *pos)
1665{
1666//
1667// Returns space point coor (x,y,z) (cm) for Detector
1668// Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
1669//
1670 Char_t path[100];
1671 GetVolumePath(det,path );
1672 if (!gGeoManager) {
1673 printf("ERROR: no TGeo\n");
1674 }
1675 gGeoManager->cd(path);
1676 TGeoHMatrix global;
1677 global = *gGeoManager->GetCurrentMatrix();
1678 const Double_t *tr = global.GetTranslation();
1679
1680 pos[0]=tr[0];
1681 pos[1]=tr[1];
1682 pos[2]=tr[2];
1683}
1684//_____________________________________________________________________________
48e6af28 1685
1686void AliTOFGeometryV5::DetToSectorRF(Int_t vol[5], Double_t **coord)
1687{
1688 //
1689 // Returns the local coordinates (x, y, z) in sector reference frame
1690 // for the 4 corners of each sector pad (vol[1], vol[2], vol[3], vol[4])
1691 //
1692
1693 if (!gGeoManager) printf("ERROR: no TGeo\n");
1694
1695 // ALICE -> TOF Sector
1696 Char_t path1[100]="";
1697 GetVolumePath(vol[0],path1);
1698 gGeoManager->cd(path1);
1699 TGeoHMatrix aliceToSector;
1700 aliceToSector = *gGeoManager->GetCurrentMatrix();
1701
1702 // TOF Sector -> ALICE
1703 //TGeoHMatrix sectorToALICE = aliceToSector.Inverse();
1704
1705 // ALICE -> TOF Pad
1706 Char_t path2[100]="";
1707 GetVolumePath(vol,path2);
1708 gGeoManager->cd(path2);
1709 TGeoHMatrix aliceToPad;
1710 aliceToPad = *gGeoManager->GetCurrentMatrix();
1711
1712 // TOF Pad -> ALICE
1713 TGeoHMatrix padToALICE = aliceToPad.Inverse();
1714
1715 // TOF Pad -> TOF Sector
1716 TGeoHMatrix padToSector = padToALICE*aliceToSector;
1717
1718 // TOF Sector -> TOF Pad
1719 //TGeoHMatrix sectorToPad = sectorToALICE*aliceToPad;
1720
1721 // coordinates of the pad bottom corner
1722 Double_t **cornerPad = new Double_t*[4];
1723 for (Int_t ii=0; ii<4; ii++) cornerPad[ii] = new Double_t[3];
1724
1725 cornerPad[0][0] = -fgkXPad/2.;
1726 cornerPad[0][1] = 0.;
1727 cornerPad[0][2] = -fgkZPad/2.;
1728
1729 cornerPad[1][0] = fgkXPad/2.;
1730 cornerPad[1][1] = 0.;
1731 cornerPad[1][2] = -fgkZPad/2.;
1732
1733 cornerPad[2][0] = fgkXPad/2.;
1734 cornerPad[2][1] = 0.;
1735 cornerPad[2][2] = fgkZPad/2.;
1736
1737 cornerPad[3][0] = -fgkXPad/2.;
1738 cornerPad[3][1] = 0.;
1739 cornerPad[3][2] = fgkZPad/2.;
1740
1741 for(Int_t aa=0; aa<4; aa++) for(Int_t bb=0; bb<3; bb++) coord[aa][bb]=0.;
1742
1743 for (Int_t jj=0; jj<4; jj++) padToSector.MasterToLocal(&cornerPad[jj][0], &coord[jj][0]);
1744
1745 delete cornerPad;
1746
1747 //sectorToPad.LocalToMaster(cornerPad, coord);
1748
1749}