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0f4a7374 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$Log$
0ef21f59 18Revision 1.18 2007/02/19 18:55:26 decaro
19Added getter methods for volume path (for Event Display)
20
48e6af28 21Revision 1.17.1 2006/12/15
22 Added method DetToStripRF(...) to get
23 a pad corner coordinates in its strip reference frame
24 (A.De Caro, M.Di Stefano)
25Revision 1.17 2006/08/22 13:30:02 arcelli
26removal of effective c++ warnings (C.Zampolli)
27
655e379f 28Revision 1.16 2006/04/20 22:30:50 hristov
29Coding conventions (Annalisa)
30
0e46b9ae 31Revision 1.15 2006/04/16 22:29:05 hristov
32Coding conventions (Annalisa)
33
7aeeaf38 34Revision 1.14 2006/04/05 08:35:38 hristov
35Coding conventions (S.Arcelli, C.Zampolli)
36
340693af 37Revision 1.13 2006/03/12 14:37:54 arcelli
38 Changes for TOF Reconstruction using TGeo
39
c0545837 40Revision 1.12 2006/02/28 10:38:00 decaro
41AliTOFGeometry::fAngles, AliTOFGeometry::fHeights, AliTOFGeometry::fDistances arrays: dimension definition in the right location
42
4402e7cb 43Revision 1.11 2005/12/15 14:17:29 decaro
44Correction of some parameter values
45
6fbc8979 46Revision 1.10 2005/12/15 08:55:32 decaro
47New TOF geometry description (V5) -G. Cara Romeo and A. De Caro
48
d3c7bfac 49Revision 1.9.1 2005/07/19 A. De Caro
50 Created daughter-classes AliTOFGeometryV4 and AliTOFGeometryV5
51 => moved global methods IsInsideThePad, DistanceToPad,
52 GetPlate, GetSector, GetStrip, GetPadX, GetPadZ,
53 GetX, GetY, GetZ, GetPadDx, GetPadDy and GetPadDz
54 in daughter-classes
55
56Revision 1.9 2005/10/20 12:41:35 hristov
57Implementation of parallel tracking. It is not the default version, one can use it passing option MI from AliReconstruction to TOF (M.Ivanov)
58
d88fbf15 59Revision 1.8 2004/11/29 08:28:01 decaro
60Introduction of a new TOF constant (i.e. TDC bin width)
61
43f77f2d 62Revision 1.7 2004/11/05 07:20:08 decaro
63TOF library splitting and conversion of some printout messages in AliLog schema (T.Kuhr)
64
d076c8d5 65Revision 1.6 2004/06/15 15:27:59 decaro
66TOF raw data: preliminary implementation and style changes
67
7e6dce66 68Revision 1.5 2004/04/20 14:37:22 hristov
69Using TMath::Abs instead of fabs, arrays of variable size created/deleted correctly (HP,Sun)
70
9b49e4c9 71Revision 1.4 2004/04/13 09:42:51 decaro
72Track reconstruction code for TOF: updating
73
74ea065c 74Revision 1.3 2003/12/29 18:40:39 hristov
75Copy/paste error corrected
76
fb9747d4 77Revision 1.2 2003/12/29 17:26:01 hristov
78Using enum to initaialize static ints in the header file, the initialization of static floats moved to the implementation file
79
58eb5b61 80Revision 1.1 2003/12/29 15:18:03 decaro
81TOF geometry updating (addition of AliTOFGeometry)
82
7e6dce66 83Revision 0.05 2004/6/11 A.De Caro
84 Implement Global method NpadXStrip
85 Insert four float constants (originally in AliTOF class)
86Revision 0.04 2004/4/05 S.Arcelli
74ea065c 87 Implement Global methods IsInsideThePad
88 DistanceToPad
7e6dce66 89Revision 0.03 2003/12/14 S.Arcelli
90 Set Phi range [-180,180]->[0,360]
91Revision 0.02 2003/12/10 S.Arcelli:
92 Implement Global methods GetPos & GetDetID
93Revision 0.01 2003/12/04 S.Arcelli
0f4a7374 94*/
95
0f4a7374 96///////////////////////////////////////////////////////////////////////////////
97// //
98// TOF Geometry class //
99// //
100///////////////////////////////////////////////////////////////////////////////
101
0ef21f59 102#include "TGeoManager.h"
0f4a7374 103#include "AliTOFGeometry.h"
0ef21f59 104#include "AliLog.h"
105#include "AliConst.h"
106
107extern TGeoManager *gGeoManager;
0f4a7374 108
109ClassImp(AliTOFGeometry)
110
0ef21f59 111const Float_t AliTOFGeometry::fgkZlenA = 370.6*2.; // length (cm) of the A module
112const Float_t AliTOFGeometry::fgkZlenB = 146.5; // length (cm) of the B module
113const Float_t AliTOFGeometry::fgkZlenC = 170.45; // length (cm) of the C module
114const Float_t AliTOFGeometry::fgkMaxhZtof = 370.6; // Max half z-size of TOF (cm)
115
116const Float_t AliTOFGeometry::fgkxTOF = 371.-0.01;// Inner radius of the TOF for Reconstruction (cm)
117const Float_t AliTOFGeometry::fgkRmin = 370.-0.01;// Inner radius of the TOF (cm)
118const Float_t AliTOFGeometry::fgkRmax = 399.-0.01;// Outer radius of the TOF (cm)
58eb5b61 119
0ef21f59 120const Int_t AliTOFGeometry::fgkTimeDiff = 25000; // Min signal separation (ps)
7e6dce66 121const Float_t AliTOFGeometry::fgkXPad = 2.5; // Pad size in the x direction (cm)
122const Float_t AliTOFGeometry::fgkZPad = 3.5; // Pad size in the z direction (cm)
58eb5b61 123
4402e7cb 124const Float_t AliTOFGeometry::fgkStripLength = 122.;// Strip Length (rho X phi direction) (cm)
125
d3c7bfac 126const Float_t AliTOFGeometry::fgkSigmaForTail1= 2.; //Sig1 for simulation of TDC tails
fb9747d4 127const Float_t AliTOFGeometry::fgkSigmaForTail2= 0.5;//Sig2 for simulation of TDC tails
58eb5b61 128
0ef21f59 129const Float_t AliTOFGeometry::fgkPhiSec= 20;//sector Phi width (deg)
130
48e6af28 131const Float_t AliTOFGeometry::fgkTdcBin = 24.4; // time-of-flight bin width [ps]
132const Float_t AliTOFGeometry::fgkToTBin = 48.8; // time-over-threshold bin width [ps]
43f77f2d 133
0ef21f59 134const Float_t AliTOFGeometry::fgkAngles[kNPlates][kMaxNstrip] ={
135 { 43.99, 43.20, 42.40, 41.59, 40.77, 39.94, 39.11, 38.25, 37.40, 36.53,
136 35.65, 34.76, 33.87, 32.96, 32.05, 31.13, 30.19, 29.24, 12.33, 0.00},
137
138 { 27.26, 26.28, 25.30, 24.31, 23.31, 22.31, 21.30, 20.29, 19.26, 18.24,
139 17.20, 16.16, 15.11, 14.05, 13.00, 11.93, 10.87, 9.80, 8.74, 0.00},
140
141 { 0.00, 6.30, 5.31, 4.25, 3.19, 2.12, 1.06, 0.00, -1.06, -2.12,
142 -3.19, -4.25, -5.31, -6.30, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00},
143
144 { -8.74, -9.80, -10.87, -11.93, -13.00, -14.05, -15.11, -16.16, -17.20, -18.24,
145 -19.26, -20.29, -21.30, -22.31, -23.31, -24.31, -25.30, -26.28, -27.26, 0.00},
146
147 {-12.33, -29.24, -30.19, -31.13, -32.05, -32.96, -33.87, -34.76, -35.65, -36.53,
148 -37.40, -38.25, -39.11, -39.94, -40.77, -41.59, -42.40, -43.20, -43.99, 0.00}
149 };
150const Float_t AliTOFGeometry::fgkHeights[kNPlates][kMaxNstrip]= {
151 {-8.2, -7.5, -8.2, -7.7, -8.1, -7.6, -7.7, -7.7, -7.7, -7.7,
152 -7.5, -7.2, -7.3, -7.5, -7.6, -7.8, -8.3, -9.3, -3.1, 0.0},
153
154 {-7.9, -8.1, -8.5, -9.0, -10.1, -3.9, -5.9, -7.7, -10.1, -3.6,
155 -5.8, -8.0, -10.4, -4.4, -7.2, -10.2, -4.6, -7.4, -10.4, 0.0},
156
157 {-2.5, -10.4, -5.0, -9.9, -4.8, -9.9, -4.7, -10.2, -4.7, -9.9,
158 -4.8, -9.9, -5.0, -10.4, -2.5, 0.0, 0.0, 0.0, 0.0, 0.0},
159
160 {-10.4, -7.4, -4.6, -10.2, -7.2, -4.4, -10.4, -8.0, -5.8, -3.6,
161 -10.1, -7.7, -5.9, -3.9, -10.1, -9.0, -8.5, -8.1, -7.9, 0.0},
162
163 { -3.1, -9.3, -8.3, -7.8, -7.6, -7.5, -7.3, -7.2, -7.5, -7.7,
164 -7.7, -7.7, -7.7, -7.6, -8.1, -7.7, -8.2, -7.5, -8.2, 0.0}
165 };
166
167
168const Float_t AliTOFGeometry::fgkDistances[kNPlates][kMaxNstrip]= {
169 { 364.1, 354.9, 344.5, 335.4, 325.5, 316.6, 307.2, 298.0, 288.9, 280.0,
170 271.3, 262.7, 254.0, 244.8, 236.1, 227.7, 219.1, 210.3, 205.7, 0.0},
171
172 { 194.2, 186.1, 177.9, 169.8, 161.5, 156.3, 147.8, 139.4, 130.9, 125.6,
173 117.3, 109.2, 101.1, 95.3, 87.1, 79.2, 73.0, 65.1, 57.6, 0.0},
174
175 { 49.5, 41.3, 35.3, 27.8, 21.2, 13.9, 7.0, 0.0, -7.0, -13.9,
176 -21.2, -27.8, -35.3, -41.3, -49.5, 0.0, 0.0, 0.0, 0.0, 0.0},
177
178 { -57.6, -65.1, -73.0, -79.2, -87.1, -95.3, -101.1, -109.2, -117.3, -125.6,
179 -130.9, -139.4, -147.8, -156.3, -161.5, -169.8, -177.9, -186.1, -194.2, 0.0},
180
181 {-205.7, -210.3, -219.1, -227.7, -236.1, -244.8, -254.0, -262.7, -271.3, -280.0,
182 -288.9, -298.0, -307.2, -316.6, -325.5, -335.4, -344.5, -354.9, -364.1, 0.0}
183 };
0f4a7374 184//_____________________________________________________________________________
655e379f 185AliTOFGeometry::AliTOFGeometry():
0ef21f59 186 fHoles(0)
0f4a7374 187{
188 //
189 // AliTOFGeometry default constructor
190 //
0f4a7374 191
192}
193
194//_____________________________________________________________________________
195AliTOFGeometry::~AliTOFGeometry()
196{
197 //
198 // AliTOFGeometry destructor
199 //
0f4a7374 200}
201//_____________________________________________________________________________
0ef21f59 202void AliTOFGeometry::ImportGeometry(){
203 TGeoManager::Import("geometry.root");
0f4a7374 204}
0f4a7374 205//_____________________________________________________________________________
7aeeaf38 206void AliTOFGeometry::GetPosPar(Int_t *det, Float_t *pos) const
0f4a7374 207{
208//
209// Returns space point coor (x,y,z) (cm) for Detector
210// Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
211//
212
213 pos[0]=GetX(det);
214 pos[1]=GetY(det);
215 pos[2]=GetZ(det);
216
217}
218//_____________________________________________________________________________
7aeeaf38 219void AliTOFGeometry::GetDetID( Float_t *pos, Int_t *det) const
0f4a7374 220{
221 //
222 // Returns Detector Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
223 // space point coor (x,y,z) (cm)
224
225
226 det[0]=GetSector(pos);
227 det[1]=GetPlate(pos);
228 det[2]=GetStrip(pos);
229 det[3]=GetPadZ(pos);
230 det[4]=GetPadX(pos);
231
232}
233//_____________________________________________________________________________
48e6af28 234
235void AliTOFGeometry::DetToStripRF(Int_t nPadX, Int_t nPadZ, Float_t &x, Float_t &z) const
236{
237 //
238 // Returns the local coordinates (x, z) in strip reference frame
239 // for the bottom corner of the pad number (nPadX, nPadZ)
240 //
241 /*
242 const Float_t xCenterStrip = kNpadX * fgkXPad / 2.;
243 const Float_t zCenterStrip = kNpadZ * fgkZPad / 2.;
244
245 const Float_t xCenterPad = nPadX*fgkXPad + fgkXPad / 2.;
246 const Float_t zCenterPad = nPadZ*fgkZPad + fgkZPad / 2.;
247
248 x = xCenterPad - xCenterStrip;
249 z = zCenterPad - zCenterStrip;
250 */
251
252
253 x = (nPadX - kNpadX*0.5) * fgkXPad;
254 z = (nPadZ - kNpadZ*0.5) * fgkZPad;
255
256
257}
258//_____________________________________________________________________________
0ef21f59 259Float_t AliTOFGeometry::DistanceToPadPar(Int_t *det, Float_t *pos, Float_t *dist3d) const
260{
261//
262// Returns distance of space point with coor pos (x,y,z) (cm) wrt
263// pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
264//
265
266 //Transform pos into Sector Frame
267
268 Float_t x = pos[0];
269 Float_t y = pos[1];
270 Float_t z = pos[2];
271
272 Float_t radius = TMath::Sqrt(x*x+y*y);
273 //Float_t phi=TMath::ATan(y/x);
274 //if(phi<0) phi = k2PI+phi; //2.*TMath::Pi()+phi;
275 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
276 // Get the local angle in the sector philoc
277 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5)*fgkPhiSec;
278 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
279 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
280 Float_t zs = z;
281
282 // Do the same for the selected pad
283
284 Float_t g[3];
285 GetPosPar(det,g);
286
287 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
288 //Float_t padPhi = TMath::ATan(g[1]/g[0]);
289 //if(padPhi<0) padPhi = k2Pi + padPhi;
290 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
291
292 // Get the local angle in the sector philoc
293 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
294 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
295 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
296 Float_t padzs = g[2];
297
298 //Now move to local pad coordinate frame. Translate:
299
300 Float_t xt = xs-padxs;
301 Float_t yt = ys-padys;
302 Float_t zt = zs-padzs;
303 //Now Rotate:
304
305 Float_t alpha = GetAngles(det[1],det[2]);
306 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
307 Float_t yr = yt;
308 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
309
310 Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr);
311
312 if (dist3d){
313 dist3d[0] = xr;
314 dist3d[1] = yr;
315 dist3d[2] = zr;
316 }
317
318 return dist;
319
320}
321//_____________________________________________________________________________
322Bool_t AliTOFGeometry::IsInsideThePadPar(Int_t *det, Float_t *pos) const
323{
324//
325// Returns true if space point with coor pos (x,y,z) (cm) falls
326// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
327//
328
329 Bool_t isInside=false;
330
331 /*
332 const Float_t khhony = 1.0 ; // heigth of HONY Layer
333 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
334 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
335 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
336 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
337 //const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
338 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
339 //const Float_t kwstripz = kwcpcbz;
340 //const Float_t klstripx = fgkStripLength;
341 */
342
343 const Float_t kPadDepth = 0.5;//0.05;//0.11;//0.16;// // heigth of Sensitive Layer
344
345 //Transform pos into Sector Frame
346
347 Float_t x = pos[0];
348 Float_t y = pos[1];
349 Float_t z = pos[2];
350
351 Float_t radius = TMath::Sqrt(x*x+y*y);
352 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
353
354 // Get the local angle in the sector philoc
355 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5) *fgkPhiSec;
356 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
357 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
358 Float_t zs = z;
359
360 // Do the same for the selected pad
361
362 Float_t g[3];
363 GetPosPar(det,g);
364
365 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
366 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
367
368 // Get the local angle in the sector philoc
369 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
370 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
371 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
372 Float_t padzs = g[2];
373
374 //Now move to local pad coordinate frame. Translate:
375
376 Float_t xt = xs-padxs;
377 Float_t yt = ys-padys;
378 Float_t zt = zs-padzs;
379
380 //Now Rotate:
381
382 Float_t alpha = GetAngles(det[1],det[2]);
383 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
384 Float_t yr = yt;
385 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
386
387 if(TMath::Abs(xr)<=kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
388 isInside=true;
389 return isInside;
390
391}
392//_____________________________________________________________________________
393Bool_t AliTOFGeometry::IsInsideThePad(TGeoHMatrix mat, Float_t *pos, Float_t *dist3d) const
394{
395//
396// Returns true if space point with coor pos (x,y,z) (cm) falls
397// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
398//
399
400 const Float_t kPadDepth = 0.5; // heigth of Sensitive Layer
401 Double_t vecg[3];
402 vecg[0]=pos[0];
403 vecg[1]=pos[1];
404 vecg[2]=pos[2];
405 Double_t veclr[3]={-1.,-1.,-1.};
406 Double_t vecl[3]={-1.,-1.,-1.};
407 mat.MasterToLocal(vecg,veclr);
408 vecl[0]=veclr[1];
409 vecl[1]=veclr[0];
410 //take into account reflections
411 vecl[2]=-veclr[2];
412
413 Float_t xr = vecl[0];
414 Float_t yr = vecl[1];
415 Float_t zr = vecl[2];
416
417 if (dist3d){
418 dist3d[0] = vecl[0];
419 dist3d[1] = vecl[1];
420 dist3d[2] = vecl[2];
421 }
422
423 Bool_t isInside=false;
424 if(TMath::Abs(xr)<= kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
425 isInside=true;
426 return isInside;
427
428}
429//_____________________________________________________________________________
430void AliTOFGeometry::GetVolumePath(Int_t *ind, Char_t *path ) {
431 //--------------------------------------------------------------------
432 // This function returns the colume path of a given pad
433 //--------------------------------------------------------------------
434 Int_t sector = ind[0];
435 Char_t string1[100];
436 Char_t string2[100];
437 Char_t string3[100];
438
439 Int_t icopy=-1;
440 icopy=sector;
441
442 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
443
444 Int_t iplate=ind[1];
445 Int_t istrip=ind[2];
446 if( iplate==0) icopy=istrip;
447 if( iplate==1) icopy=istrip+NStripC();
448 if( iplate==2) icopy=istrip+NStripC()+NStripB();
449 if( iplate==3) icopy=istrip+NStripC()+NStripB()+NStripA();
450 if( iplate==4) icopy=istrip+NStripC()+2*NStripB()+NStripA();
451 icopy++;
452 sprintf(string2,"FTOA_0/FLTA_0/FSTR_%i",icopy);
453 if(fHoles && (sector==11 || sector==12)){
454 if(iplate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
455 if(iplate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
456 }
457
458 Int_t padz = ind[3]+1;
459 Int_t padx = ind[4]+1;
460 sprintf(string3,"FPCB_1/FSEN_1/FSEZ_%i/FPAD_%i",padz,padx);
461 sprintf(path,"%s/%s/%s",string1,string2,string3);
462
463}
464//_____________________________________________________________________________
465void AliTOFGeometry::GetVolumePath(Int_t sector, Char_t *path ){
466 //--------------------------------------------------------------------
467 // This function returns the colume path of a given sector
468 //--------------------------------------------------------------------
469
470 Char_t string[100];
471
472 Int_t icopy = sector;
473
474 sprintf(string,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
475 sprintf(path,"%s",string);
476
477}
478//_____________________________________________________________________________
479void AliTOFGeometry::GetVolumePath(Int_t sector, Int_t plate, Int_t strip, Char_t *path ) {
480 //--------------------------------------------------------------------
481 // This function returns the colume path of a given strip
482 //--------------------------------------------------------------------
483
484 Char_t string1[100];
485 Char_t string2[100];
486 Char_t string3[100];
487
488 Int_t icopy = sector;
489
490 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
491
492 if(plate==0) icopy=strip;
493 if(plate==1) icopy=strip+NStripC();
494 if(plate==2) icopy=strip+NStripC()+NStripB();
495 if(plate==3) icopy=strip+NStripC()+NStripB()+NStripA();
496 if(plate==4) icopy=strip+NStripC()+2*NStripB()+NStripA();
497 icopy++;
498 sprintf(string2,"FTOA_0/FLTA_0/FSTR_%i",icopy);
499 if(fHoles && (sector==11 || sector==12)) {
500 if(plate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
501 if(plate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
502 }
503
504 sprintf(string3,"FPCB_1/FSEN_1");
505 sprintf(path,"%s/%s/%s",string1,string2,string3);
506
507}
508//_____________________________________________________________________________
509void AliTOFGeometry::GetPos(Int_t *det, Float_t *pos)
510{
511//
512// Returns space point coor (x,y,z) (cm) for Detector
513// Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
514//
515 Char_t path[100];
516 GetVolumePath(det,path );
517 if (!gGeoManager) {
518 printf("ERROR: no TGeo\n");
519 }
520 gGeoManager->cd(path);
521 TGeoHMatrix global;
522 global = *gGeoManager->GetCurrentMatrix();
523 const Double_t *tr = global.GetTranslation();
524
525 pos[0]=tr[0];
526 pos[1]=tr[1];
527 pos[2]=tr[2];
528}
529//_____________________________________________________________________________
530Int_t AliTOFGeometry::GetPlate(Float_t *pos) const
531{
532 //
533 // Returns the Plate index
534 //
535 const Float_t kInterCentrModBorder1 = 49.5;
536 const Float_t kInterCentrModBorder2 = 57.5;
537 const Float_t kExterInterModBorder1 = 196.0;
538 const Float_t kExterInterModBorder2 = 203.5;
539
540 const Float_t kLengthExInModBorder = 4.7;
541 const Float_t kLengthInCeModBorder = 7.0;
542
543 //const Float_t khAlWall = 0.1;
544 const Float_t kModuleWallThickness = 0.3;
545 //const Float_t kHoneycombLayerThickness = 1.5;
546
547 Int_t iPlate=-1;
548
549 Float_t posLocal[3];
550 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
551
552 Int_t isector = GetSector(posLocal);
553 if(isector == -1){
554 //AliError("Detector Index could not be determined");
555 return iPlate;
556 }
557
558 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
559 Double_t angles[6] =
560 {90., 90.+(isector+0.5)*fgkPhiSec,
561 0., 0.,
562 90., (isector+0.5)*fgkPhiSec
563 };
564 Rotation(posLocal,angles);
565
566 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
567 Translation(posLocal,step);
568
569 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
570 angles[0] = 90.;
571 angles[1] = 0.;
572 angles[2] = 0.;
573 angles[3] = 0.;
574 angles[4] = 90.;
575 angles[5] =270.;
576
577 Rotation(posLocal,angles);
578
579 Float_t yLocal = posLocal[1];
580 Float_t zLocal = posLocal[2];
581
582 Float_t deltaRhoLoc = (fgkRmax-fgkRmin)*0.5 - kModuleWallThickness + yLocal;
583 Float_t deltaZetaLoc = TMath::Abs(zLocal);
584
585 Float_t deltaRHOmax = 0.;
586
587 if (TMath::Abs(zLocal)>=kExterInterModBorder1 && TMath::Abs(zLocal)<=kExterInterModBorder2)
588 {
589 deltaRhoLoc -= kLengthExInModBorder;
590 deltaZetaLoc = kExterInterModBorder2-deltaZetaLoc;
591 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthExInModBorder; // old 5.35, new 4.8
592
593 if (deltaRhoLoc > deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) {
594 if (zLocal<0) iPlate = 0;
595 else iPlate = 4;
596 }
597 else {
598 if (zLocal<0) iPlate = 1;
599 else iPlate = 3;
600 }
601 }
602 else if (TMath::Abs(zLocal)>=kInterCentrModBorder1 && TMath::Abs(zLocal)<=kInterCentrModBorder2)
603 {
604 deltaRhoLoc -= kLengthInCeModBorder;
605 deltaZetaLoc = deltaZetaLoc-kInterCentrModBorder1;
606 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthInCeModBorder; // old 0.39, new 0.2
607
608 if (deltaRhoLoc>deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) iPlate = 2;
609 else {
610 if (zLocal<0) iPlate = 1;
611 else iPlate = 3;
612 }
613 }
614
615 if (zLocal>-fgkZlenA*0.5/*fgkMaxhZtof*/ && zLocal<-kExterInterModBorder2) iPlate = 0;
616 else if (zLocal>-kExterInterModBorder1 && zLocal<-kInterCentrModBorder2) iPlate = 1;
617 else if (zLocal>-kInterCentrModBorder1 && zLocal< kInterCentrModBorder1) iPlate = 2;
618 else if (zLocal> kInterCentrModBorder2 && zLocal< kExterInterModBorder1) iPlate = 3;
619 else if (zLocal> kExterInterModBorder2 && zLocal< fgkZlenA*0.5/*fgkMaxhZtof*/) iPlate = 4;
620
621 return iPlate;
622
623}
624
625//_____________________________________________________________________________
626Int_t AliTOFGeometry::GetSector(Float_t *pos) const
627{
628 //
629 // Returns the Sector index
630 //
631
632 //const Float_t khAlWall = 0.1;
633 //const Float_t kModuleWallThickness = 0.3;
634
635 Int_t iSect = -1;
636
637 Float_t x = pos[0];
638 Float_t y = pos[1];
639 Float_t z = pos[2];
640
641 Float_t rho = TMath::Sqrt(x*x + y*y);
642
643 //if (!((z>=-fgkMaxhZtof && z<=fgkMaxhZtof) &&
644 if (!((z>=-fgkZlenA*0.5 && z<=fgkZlenA*0.5) &&
645 (rho>=(fgkRmin) && rho<=(fgkRmax)))) {
646 //(rho>=(fgkRmin-0.05)+kModuleWallThickness && rho<=(fgkRmax-0.05)-kModuleWallThickness-khAlWall-kModuleWallThickness))) {
647 //AliError("Detector Index could not be determined");
648 return iSect;
649 }
650
651 Float_t phi = TMath::Pi() + TMath::ATan2(-y,-x);
652
653 iSect = (Int_t) (phi*kRaddeg/fgkPhiSec);
654
655 return iSect;
656
657}
658//_____________________________________________________________________________
659Int_t AliTOFGeometry::GetStrip(Float_t *pos) const
660{
661 //
662 // Returns the Strip index
663 //
664 const Float_t khhony = 1.0 ; // heigth of HONY Layer
665 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
666 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
667 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
668 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
669 const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
670 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
671 const Float_t kwstripz = kwcpcbz;
672 const Float_t klstripx = fgkStripLength;
673
674 Int_t iStrip=-1;
675
676 Float_t posLocal[3];
677 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
678
679 Int_t isector = GetSector(posLocal);
680 if(isector == -1){
681 //AliError("Detector Index could not be determined");
682 return iStrip;}
683 Int_t iplate = GetPlate(posLocal);
684 if(iplate == -1){
685 //AliError("Detector Index could not be determined");
686 return iStrip;}
687
688 Int_t nstrips=0;
689 switch (iplate) {
690 case 0:
691 nstrips=kNStripC;
692 break;
693 case 4:
694 nstrips=kNStripC;
695 break;
696 case 1:
697 nstrips=kNStripB;
698 break;
699 case 3:
700 nstrips=kNStripB;
701 break;
702 case 2:
703 nstrips=kNStripA;
704 break;
705 }
706
707 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
708 Double_t angles[6] =
709 {90., 90.+(isector+0.5)*fgkPhiSec,
710 0., 0.,
711 90., (isector+0.5)*fgkPhiSec
712 };
713 Rotation(posLocal,angles);
714
715 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
716 Translation(posLocal,step);
717
718 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
719 angles[0] = 90.;
720 angles[1] = 0.;
721 angles[2] = 0.;
722 angles[3] = 0.;
723 angles[4] = 90.;
724 angles[5] =270.;
725
726 Rotation(posLocal,angles);
727
728 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
729 Int_t totStrip=0;
730 for (Int_t istrip=0; istrip<nstrips; istrip++){
731
732 Float_t posLoc2[3]={posLocal[0],posLocal[1],posLocal[2]};
733
734 step[0] = 0.;
735 step[1] = GetHeights(iplate,istrip);
736 step[2] = -GetDistances(iplate,istrip);
737 Translation(posLoc2,step);
738
739 if (GetAngles(iplate,istrip) >0.) {
740 angles[0] = 90.;
741 angles[1] = 0.;
742 angles[2] = 90.+GetAngles(iplate,istrip);
743 angles[3] = 90.;
744 angles[4] = GetAngles(iplate,istrip);
745 angles[5] = 90.;
746 }
747 else if (GetAngles(iplate,istrip)==0.) {
748 angles[0] = 90.;
749 angles[1] = 0.;
750 angles[2] = 90.;
751 angles[3] = 90.;
752 angles[4] = 0;
753 angles[5] = 0.;
754 }
755 else if (GetAngles(iplate,istrip) <0.) {
756 angles[0] = 90.;
757 angles[1] = 0.;
758 angles[2] = 90.+GetAngles(iplate,istrip);
759 angles[3] = 90.;
760 angles[4] =-GetAngles(iplate,istrip);
761 angles[5] = 270.;
762 }
763 Rotation(posLoc2,angles);
764
765 if ((TMath::Abs(posLoc2[0])<=klstripx*0.5) &&
766 (TMath::Abs(posLoc2[1])<=khstripy*0.5) &&
767 (TMath::Abs(posLoc2[2])<=kwstripz*0.5)) {
768 iStrip = istrip;
769 totStrip++;
770 for (Int_t jj=0; jj<3; jj++) posLocal[jj]=posLoc2[jj];
771 //AliInfo(Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ", posLocal[0],posLocal[1],posLocal[2]));
772
773 //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]));
774 break;
775 }
776
777 if (totStrip>1) AliInfo(Form("total strip number found %2i",totStrip));
778
779 }
780
781 return iStrip;
782
783}
784//_____________________________________________________________________________
785Int_t AliTOFGeometry::GetPadZ(Float_t *pos) const
786{
787 //
788 // Returns the Pad index along Z
789 //
790 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
791 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
792 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
793
794 Int_t iPadZ = -1;
795
796 Float_t posLocal[3];
797 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
798
799 Int_t isector = GetSector(posLocal);
800 if(isector == -1){
801 //AliError("Detector Index could not be determined");
802 return iPadZ;}
803 Int_t iplate = GetPlate(posLocal);
804 if(iplate == -1){
805 //AliError("Detector Index could not be determined");
806 return iPadZ;}
807 Int_t istrip = GetStrip(posLocal);
808 if(istrip == -1){
809 //AliError("Detector Index could not be determined");
810 return iPadZ;}
811
812 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
813 Double_t angles[6] =
814 {90., 90.+(isector+0.5)*fgkPhiSec,
815 0., 0.,
816 90., (isector+0.5)*fgkPhiSec
817 };
818 Rotation(posLocal,angles);
819
820 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
821 Translation(posLocal,step);
822
823 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
824 angles[0] = 90.;
825 angles[1] = 0.;
826 angles[2] = 0.;
827 angles[3] = 0.;
828 angles[4] = 90.;
829 angles[5] =270.;
830
831 Rotation(posLocal,angles);
832
833 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
834 step[0] = 0.;
835 step[1] = GetHeights(iplate,istrip);
836 step[2] = -GetDistances(iplate,istrip);
837 Translation(posLocal,step);
838
839 if (GetAngles(iplate,istrip) >0.) {
840 angles[0] = 90.;
841 angles[1] = 0.;
842 angles[2] = 90.+GetAngles(iplate,istrip);
843 angles[3] = 90.;
844 angles[4] = GetAngles(iplate,istrip);
845 angles[5] = 90.;
846 }
847 else if (GetAngles(iplate,istrip)==0.) {
848 angles[0] = 90.;
849 angles[1] = 0.;
850 angles[2] = 90.;
851 angles[3] = 90.;
852 angles[4] = 0;
853 angles[5] = 0.;
854 }
855 else if (GetAngles(iplate,istrip) <0.) {
856 angles[0] = 90.;
857 angles[1] = 0.;
858 angles[2] = 90.+GetAngles(iplate,istrip);
859 angles[3] = 90.;
860 angles[4] =-GetAngles(iplate,istrip);
861 angles[5] = 270.;
862 }
863 Rotation(posLocal,angles);
864
865 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
866 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
867
868 step[0] =-0.5*kNpadX*fgkXPad;
869 step[1] = 0.;
870 step[2] =-0.5*kNpadZ*fgkZPad;
871 Translation(posLocal,step);
872
873 iPadZ = (Int_t)(posLocal[2]/fgkZPad);
874 if (iPadZ==kNpadZ) iPadZ--;
875 else if (iPadZ>kNpadZ) iPadZ=-1;
876
877 //}
878 // else AliError("Detector Index could not be determined");
879
880 return iPadZ;
881
882}
883//_____________________________________________________________________________
884Int_t AliTOFGeometry::GetPadX(Float_t *pos) const
885{
886 //
887 // Returns the Pad index along X
888 //
889 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
890 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
891 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
892
893 Int_t iPadX = -1;
894
895 Float_t posLocal[3];
896 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
897
898 Int_t isector = GetSector(posLocal);
899 if(isector == -1){
900 //AliError("Detector Index could not be determined");
901 return iPadX;}
902 Int_t iplate = GetPlate(posLocal);
903 if(iplate == -1){
904 //AliError("Detector Index could not be determined");
905 return iPadX;}
906 Int_t istrip = GetStrip(posLocal);
907 if(istrip == -1){
908 //AliError("Detector Index could not be determined");
909 return iPadX;}
910
911 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
912 Double_t angles[6] =
913 {90., 90.+(isector+0.5)*fgkPhiSec,
914 0., 0.,
915 90., (isector+0.5)*fgkPhiSec
916 };
917 Rotation(posLocal,angles);
918
919 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
920 Translation(posLocal,step);
921
922 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
923 angles[0] = 90.;
924 angles[1] = 0.;
925 angles[2] = 0.;
926 angles[3] = 0.;
927 angles[4] = 90.;
928 angles[5] =270.;
929
930 Rotation(posLocal,angles);
931
932 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
933 step[0] = 0.;
934 step[1] = GetHeights(iplate,istrip);
935 step[2] = -GetDistances(iplate,istrip);
936 Translation(posLocal,step);
937
938 if (GetAngles(iplate,istrip) >0.) {
939 angles[0] = 90.;
940 angles[1] = 0.;
941 angles[2] = 90.+GetAngles(iplate,istrip);
942 angles[3] = 90.;
943 angles[4] = GetAngles(iplate,istrip);
944 angles[5] = 90.;
945 }
946 else if (GetAngles(iplate,istrip)==0.) {
947 angles[0] = 90.;
948 angles[1] = 0.;
949 angles[2] = 90.;
950 angles[3] = 90.;
951 angles[4] = 0;
952 angles[5] = 0.;
953 }
954 else if (GetAngles(iplate,istrip) <0.) {
955 angles[0] = 90.;
956 angles[1] = 0.;
957 angles[2] = 90.+GetAngles(iplate,istrip);
958 angles[3] = 90.;
959 angles[4] =-GetAngles(iplate,istrip);
960 angles[5] = 270.;
961 }
962 Rotation(posLocal,angles);
963
964 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
965 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
966
967 step[0] =-0.5*kNpadX*fgkXPad;
968 step[1] = 0.;
969 step[2] =-0.5*kNpadZ*fgkZPad;
970 Translation(posLocal,step);
971
972 iPadX = (Int_t)(posLocal[0]/fgkXPad);
973 if (iPadX==kNpadX) iPadX--;
974 else if (iPadX>kNpadX) iPadX=-1;
975
976 //}
977 //else AliError("Detector Index could not be determined");
978
979 return iPadX;
980
981}
982//_____________________________________________________________________________
983Float_t AliTOFGeometry::GetX(Int_t *det) const
984{
985 //
986 // Returns X coordinate (cm)
987 //
988
989 Int_t isector = det[0];
990 Int_t iplate = det[1];
991 Int_t istrip = det[2];
992 Int_t ipadz = det[3];
993 Int_t ipadx = det[4];
994
995 /*
996 // Find out distance d on the plane wrt median phi:
997 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
998
999 // The radius r in xy plane:
1000 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1001 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1002 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1003 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1004
1005 // local azimuthal angle in the sector philoc
1006 Float_t philoc = TMath::ATan(d/r);
1007 //if(philoc<0.) philoc = k2PI + philoc;
1008
1009 // azimuthal angle in the global frame phi
1010 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1011
1012 Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
1013 */
1014
1015 // Pad reference frame -> FSTR reference frame
1016 // /*
1017 Float_t posLocal[3] = {0., 0., 0.};
1018 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1019 Translation(posLocal,step);
1020
1021 step[0] = kNpadX*0.5*fgkXPad;
1022 step[1] = 0.;
1023 step[2] = kNpadZ*0.5*fgkZPad;
1024 // */
1025 /*
1026 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1027 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1028 */
1029 Translation(posLocal,step);
1030
1031 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1032 Double_t angles[6];
1033 if (GetAngles(iplate,istrip) >0.) {
1034 angles[0] = 90.;
1035 angles[1] = 0.;
1036 angles[2] = 90.+GetAngles(iplate,istrip);
1037 angles[3] = 90.;
1038 angles[4] = GetAngles(iplate,istrip);
1039 angles[5] = 90.;
1040 }
1041 else if (GetAngles(iplate,istrip)==0.) {
1042 angles[0] = 90.;
1043 angles[1] = 0.;
1044 angles[2] = 90.;
1045 angles[3] = 90.;
1046 angles[4] = 0;
1047 angles[5] = 0.;
1048 }
1049 else if (GetAngles(iplate,istrip) <0.) {
1050 angles[0] = 90.;
1051 angles[1] = 0.;
1052 angles[2] = 90.+GetAngles(iplate,istrip);
1053 angles[3] = 90.;
1054 angles[4] =-GetAngles(iplate,istrip);
1055 angles[5] = 270.;
1056 }
1057
1058 InverseRotation(posLocal,angles);
1059
1060 step[0] = 0.;
1061 step[1] = -GetHeights(iplate,istrip);
1062 step[2] = GetDistances(iplate,istrip);
1063 Translation(posLocal,step);
1064
1065 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1066 angles[0] = 90.;
1067 angles[1] = 0.;
1068 angles[2] = 0.;
1069 angles[3] = 0.;
1070 angles[4] = 90.;
1071 angles[5] =270.;
1072
1073 InverseRotation(posLocal,angles);
1074
1075 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1076 step[0] = 0.;
1077 step[1] = 0.;
1078 step[2] = -((fgkRmax+fgkRmin)*0.5);
1079 Translation(posLocal,step);
1080
1081 angles[0] = 90.;
1082 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1083 angles[2] = 0.;
1084 angles[3] = 0.;
1085 angles[4] = 90.;
1086 angles[5] = (isector+0.5)*fgkPhiSec;
1087
1088 InverseRotation(posLocal,angles);
1089
1090 Float_t xCoor = posLocal[0];
1091
1092 return xCoor;
1093
1094}
1095//_____________________________________________________________________________
1096Float_t AliTOFGeometry::GetY(Int_t *det) const
1097{
1098 //
1099 // Returns Y coordinate (cm)
1100 //
1101
1102 Int_t isector = det[0];
1103 Int_t iplate = det[1];
1104 Int_t istrip = det[2];
1105 Int_t ipadz = det[3];
1106 Int_t ipadx = det[4];
1107
1108 /*
1109 // Find out distance d on the plane wrt median phi:
1110 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
1111
1112 // The radius r in xy plane:
1113 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1114 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1115 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1116 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1117
1118 // local azimuthal angle in the sector philoc
1119 Float_t philoc = TMath::ATan(d/r);
1120 //if(philoc<0.) philoc = k2PI + philoc;
1121
1122 // azimuthal angle in the global frame phi
1123 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1124
1125 Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
1126 */
1127
1128 // Pad reference frame -> FSTR reference frame
1129 // /*
1130 Float_t posLocal[3] = {0., 0., 0.};
1131 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1132 Translation(posLocal,step);
1133
1134 step[0] = kNpadX*0.5*fgkXPad;
1135 step[1] = 0.;
1136 step[2] = kNpadZ*0.5*fgkZPad;
1137 // */
1138 /*
1139 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1140 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1141 */
1142 Translation(posLocal,step);
1143
1144 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1145
1146 Double_t angles[6];
1147 if (GetAngles(iplate,istrip) >0.) {
1148 angles[0] = 90.;
1149 angles[1] = 0.;
1150 angles[2] = 90.+GetAngles(iplate,istrip);
1151 angles[3] = 90.;
1152 angles[4] = GetAngles(iplate,istrip);
1153 angles[5] = 90.;
1154 }
1155 else if (GetAngles(iplate,istrip)==0.) {
1156 angles[0] = 90.;
1157 angles[1] = 0.;
1158 angles[2] = 90.;
1159 angles[3] = 90.;
1160 angles[4] = 0;
1161 angles[5] = 0.;
1162 }
1163 else if (GetAngles(iplate,istrip) <0.) {
1164 angles[0] = 90.;
1165 angles[1] = 0.;
1166 angles[2] = 90.+GetAngles(iplate,istrip);
1167 angles[3] = 90.;
1168 angles[4] =-GetAngles(iplate,istrip);
1169 angles[5] = 270.;
1170 }
1171
1172 InverseRotation(posLocal,angles);
1173
1174 step[0] = 0.;
1175 step[1] = -GetHeights(iplate,istrip);
1176 step[2] = GetDistances(iplate,istrip);
1177 Translation(posLocal,step);
1178
1179 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1180 angles[0] = 90.;
1181 angles[1] = 0.;
1182 angles[2] = 0.;
1183 angles[3] = 0.;
1184 angles[4] = 90.;
1185 angles[5] =270.;
1186
1187 InverseRotation(posLocal,angles);
1188
1189 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1190 step[0] = 0.;
1191 step[1] = 0.;
1192 step[2] = -((fgkRmax+fgkRmin)*0.5);
1193 Translation(posLocal,step);
1194
1195 angles[0] = 90.;
1196 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1197 angles[2] = 0.;
1198 angles[3] = 0.;
1199 angles[4] = 90.;
1200 angles[5] = (isector+0.5)*fgkPhiSec;
1201
1202 InverseRotation(posLocal,angles);
1203
1204 Float_t yCoor = posLocal[1];
1205
1206 return yCoor;
1207
1208}
1209
1210//_____________________________________________________________________________
1211Float_t AliTOFGeometry::GetZ(Int_t *det) const
1212{
1213 //
1214 // Returns Z coordinate (cm)
1215 //
1216
1217 Int_t isector = det[0];
1218 Int_t iplate = det[1];
1219 Int_t istrip = det[2];
1220 Int_t ipadz = det[3];
1221 Int_t ipadx = det[4];
1222
1223 /*
1224 Float_t zCoor = GetDistances(iplate,istrip) +
1225 (0.5-ipadz) * fgkZPad * TMath::Cos(GetAngles(iplate,istrip)*kDegrad);
1226 */
1227
1228 // Pad reference frame -> FSTR reference frame
1229 // /*
1230 Float_t posLocal[3] = {0., 0., 0.};
1231 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1232 Translation(posLocal,step);
1233
1234 step[0] = kNpadX*0.5*fgkXPad;
1235 step[1] = 0.;
1236 step[2] = kNpadZ*0.5*fgkZPad;
1237 // */
1238 /*
1239 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1240 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1241 */
1242 Translation(posLocal,step);
1243
1244 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1245 Double_t angles[6];
1246 if (GetAngles(iplate,istrip) >0.) {
1247 angles[0] = 90.;
1248 angles[1] = 0.;
1249 angles[2] = 90.+GetAngles(iplate,istrip);
1250 angles[3] = 90.;
1251 angles[4] = GetAngles(iplate,istrip);
1252 angles[5] = 90.;
1253 }
1254 else if (GetAngles(iplate,istrip)==0.) {
1255 angles[0] = 90.;
1256 angles[1] = 0.;
1257 angles[2] = 90.;
1258 angles[3] = 90.;
1259 angles[4] = 0;
1260 angles[5] = 0.;
1261 }
1262 else if (GetAngles(iplate,istrip) <0.) {
1263 angles[0] = 90.;
1264 angles[1] = 0.;
1265 angles[2] = 90.+GetAngles(iplate,istrip);
1266 angles[3] = 90.;
1267 angles[4] =-GetAngles(iplate,istrip);
1268 angles[5] = 270.;
1269 }
1270
1271 InverseRotation(posLocal,angles);
1272
1273 step[0] = 0.;
1274 step[1] = -GetHeights(iplate,istrip);
1275 step[2] = GetDistances(iplate,istrip);
1276 Translation(posLocal,step);
1277
1278 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1279 angles[0] = 90.;
1280 angles[1] = 0.;
1281 angles[2] = 0.;
1282 angles[3] = 0.;
1283 angles[4] = 90.;
1284 angles[5] =270.;
1285
1286 InverseRotation(posLocal,angles);
1287
1288 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1289 step[0] = 0.;
1290 step[1] = 0.;
1291 step[2] = -((fgkRmax+fgkRmin)*0.5);
1292 Translation(posLocal,step);
1293
1294 angles[0] = 90.;
1295 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1296 angles[2] = 0.;
1297 angles[3] = 0.;
1298 angles[4] = 90.;
1299 angles[5] = (isector+0.5)*fgkPhiSec;
1300
1301 InverseRotation(posLocal,angles);
1302
1303 Float_t zCoor = posLocal[2];
1304
1305 return zCoor;
1306
1307}
1308//_____________________________________________________________________________
1309
1310void AliTOFGeometry::DetToSectorRF(Int_t vol[5], Double_t **coord)
1311{
1312 //
1313 // Returns the local coordinates (x, y, z) in sector reference frame
1314 // for the 4 corners of each sector pad (vol[1], vol[2], vol[3], vol[4])
1315 //
1316
1317 if (!gGeoManager) printf("ERROR: no TGeo\n");
1318
1319 // ALICE -> TOF Sector
1320 Char_t path1[100]="";
1321 GetVolumePath(vol[0],path1);
1322 gGeoManager->cd(path1);
1323 TGeoHMatrix aliceToSector;
1324 aliceToSector = *gGeoManager->GetCurrentMatrix();
1325
1326 // TOF Sector -> ALICE
1327 //TGeoHMatrix sectorToALICE = aliceToSector.Inverse();
1328
1329 // ALICE -> TOF Pad
1330 Char_t path2[100]="";
1331 GetVolumePath(vol,path2);
1332 gGeoManager->cd(path2);
1333 TGeoHMatrix aliceToPad;
1334 aliceToPad = *gGeoManager->GetCurrentMatrix();
1335
1336 // TOF Pad -> ALICE
1337 TGeoHMatrix padToALICE = aliceToPad.Inverse();
1338
1339 // TOF Pad -> TOF Sector
1340 TGeoHMatrix padToSector = padToALICE*aliceToSector;
1341
1342 // TOF Sector -> TOF Pad
1343 //TGeoHMatrix sectorToPad = sectorToALICE*aliceToPad;
1344
1345 // coordinates of the pad bottom corner
1346 Double_t **cornerPad = new Double_t*[4];
1347 for (Int_t ii=0; ii<4; ii++) cornerPad[ii] = new Double_t[3];
1348
1349 cornerPad[0][0] = -fgkXPad/2.;
1350 cornerPad[0][1] = 0.;
1351 cornerPad[0][2] = -fgkZPad/2.;
1352
1353 cornerPad[1][0] = fgkXPad/2.;
1354 cornerPad[1][1] = 0.;
1355 cornerPad[1][2] = -fgkZPad/2.;
1356
1357 cornerPad[2][0] = fgkXPad/2.;
1358 cornerPad[2][1] = 0.;
1359 cornerPad[2][2] = fgkZPad/2.;
1360
1361 cornerPad[3][0] = -fgkXPad/2.;
1362 cornerPad[3][1] = 0.;
1363 cornerPad[3][2] = fgkZPad/2.;
1364
1365 for(Int_t aa=0; aa<4; aa++) for(Int_t bb=0; bb<3; bb++) coord[aa][bb]=0.;
1366
1367 for (Int_t jj=0; jj<4; jj++) padToSector.MasterToLocal(&cornerPad[jj][0], &coord[jj][0]);
1368
1369 delete cornerPad;
1370
1371 //sectorToPad.LocalToMaster(cornerPad, coord);
1372
1373}
1374//_____________________________________________________________________________
1375Float_t AliTOFGeometry::GetPadDx(Float_t *pos)
1376{
1377 //
1378 // Returns the x coordinate in the Pad reference frame
1379 //
1380
1381 Float_t xpad = -2.;
1382
1383 Float_t posLocal[3];
1384 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1385
1386 Int_t isector = GetSector(posLocal);
1387 if(isector == -1){
1388 //AliError("Detector Index could not be determined");
1389 return xpad;}
1390 Int_t iplate = GetPlate(posLocal);
1391 if(iplate == -1){
1392 //AliError("Detector Index could not be determined");
1393 return xpad;}
1394 Int_t istrip = GetStrip(posLocal);
1395 if(istrip == -1){
1396 //AliError("Detector Index could not be determined");
1397 return xpad;}
1398 Int_t ipadz = GetPadZ(posLocal);
1399 if(ipadz == -1){
1400 //AliError("Detector Index could not be determined");
1401 return xpad;}
1402 Int_t ipadx = GetPadX(posLocal);
1403 if(ipadx == -1){
1404 //AliError("Detector Index could not be determined");
1405 return xpad;}
1406
1407 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1408 Double_t angles[6] =
1409 {90., 90.+(isector+0.5)*fgkPhiSec,
1410 0., 0.,
1411 90., (isector+0.5)*fgkPhiSec
1412 };
1413 Rotation(posLocal,angles);
1414
1415 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1416 Translation(posLocal,step);
1417
1418 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1419 angles[0] = 90.;
1420 angles[1] = 0.;
1421 angles[2] = 0.;
1422 angles[3] = 0.;
1423 angles[4] = 90.;
1424 angles[5] =270.;
1425
1426 Rotation(posLocal,angles);
1427
1428 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1429 step[0] = 0.;
1430 step[1] = GetHeights(iplate,istrip);
1431 step[2] = -GetDistances(iplate,istrip);
1432 Translation(posLocal,step);
1433
1434 if (GetAngles(iplate,istrip) >0.) {
1435 angles[0] = 90.;
1436 angles[1] = 0.;
1437 angles[2] = 90.+GetAngles(iplate,istrip);
1438 angles[3] = 90.;
1439 angles[4] = GetAngles(iplate,istrip);
1440 angles[5] = 90.;
1441 }
1442 else if (GetAngles(iplate,istrip)==0.) {
1443 angles[0] = 90.;
1444 angles[1] = 0.;
1445 angles[2] = 90.;
1446 angles[3] = 90.;
1447 angles[4] = 0;
1448 angles[5] = 0.;
1449 }
1450 else if (GetAngles(iplate,istrip) <0.) {
1451 angles[0] = 90.;
1452 angles[1] = 0.;
1453 angles[2] = 90.+GetAngles(iplate,istrip);
1454 angles[3] = 90.;
1455 angles[4] =-GetAngles(iplate,istrip);
1456 angles[5] = 270.;
1457 }
1458 Rotation(posLocal,angles);
1459
1460 step[0] =-0.5*kNpadX*fgkXPad;
1461 step[1] = 0.;
1462 step[2] =-0.5*kNpadZ*fgkZPad;
1463 Translation(posLocal,step);
1464
1465 step[0] = (ipadx+0.5)*fgkXPad;
1466 step[1] = 0.;
1467 step[2] = (ipadz+0.5)*fgkZPad;
1468 Translation(posLocal,step);
1469
1470 xpad=posLocal[0];
1471
1472 return xpad;
1473
1474}
1475//_____________________________________________________________________________
1476Float_t AliTOFGeometry::GetPadDy(Float_t *pos)
1477{
1478 //
1479 // Returns the y coordinate in the Pad reference frame
1480 //
1481
1482 Float_t ypad = -2.;
1483
1484 Float_t posLocal[3];
1485 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1486
1487 Int_t isector = GetSector(posLocal);
1488 if(isector == -1){
1489 //AliError("Detector Index could not be determined");
1490 return ypad;}
1491 Int_t iplate = GetPlate(posLocal);
1492 if(iplate == -1){
1493 //AliError("Detector Index could not be determined");
1494 return ypad;}
1495 Int_t istrip = GetStrip(posLocal);
1496 if(istrip == -1){
1497 //AliError("Detector Index could not be determined");
1498 return ypad;}
1499 Int_t ipadz = GetPadZ(posLocal);
1500 if(ipadz == -1){
1501 //AliError("Detector Index could not be determined");
1502 return ypad;}
1503 Int_t ipadx = GetPadX(posLocal);
1504 if(ipadx == -1){
1505 //AliError("Detector Index could not be determined");
1506 return ypad;}
1507
1508 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1509 Double_t angles[6] =
1510 {90., 90.+(isector+0.5)*fgkPhiSec,
1511 0., 0.,
1512 90., (isector+0.5)*fgkPhiSec
1513 };
1514 Rotation(posLocal,angles);
1515
1516 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1517 Translation(posLocal,step);
1518
1519 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1520 angles[0] = 90.;
1521 angles[1] = 0.;
1522 angles[2] = 0.;
1523 angles[3] = 0.;
1524 angles[4] = 90.;
1525 angles[5] =270.;
1526
1527 Rotation(posLocal,angles);
1528
1529 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1530 step[0] = 0.;
1531 step[1] = GetHeights(iplate,istrip);
1532 step[2] = -GetDistances(iplate,istrip);
1533 Translation(posLocal,step);
1534
1535 if (GetAngles(iplate,istrip) >0.) {
1536 angles[0] = 90.;
1537 angles[1] = 0.;
1538 angles[2] = 90.+GetAngles(iplate,istrip);
1539 angles[3] = 90.;
1540 angles[4] = GetAngles(iplate,istrip);
1541 angles[5] = 90.;
1542 }
1543 else if (GetAngles(iplate,istrip)==0.) {
1544 angles[0] = 90.;
1545 angles[1] = 0.;
1546 angles[2] = 90.;
1547 angles[3] = 90.;
1548 angles[4] = 0;
1549 angles[5] = 0.;
1550 }
1551 else if (GetAngles(iplate,istrip) <0.) {
1552 angles[0] = 90.;
1553 angles[1] = 0.;
1554 angles[2] = 90.+GetAngles(iplate,istrip);
1555 angles[3] = 90.;
1556 angles[4] =-GetAngles(iplate,istrip);
1557 angles[5] = 270.;
1558 }
1559 Rotation(posLocal,angles);
1560
1561 step[0] =-0.5*kNpadX*fgkXPad;
1562 step[1] = 0.;
1563 step[2] =-0.5*kNpadZ*fgkZPad;
1564 Translation(posLocal,step);
1565
1566 step[0] = (ipadx+0.5)*fgkXPad;
1567 step[1] = 0.;
1568 step[2] = (ipadz+0.5)*fgkZPad;
1569 Translation(posLocal,step);
1570
1571 ypad=posLocal[1];
1572
1573 return ypad;
1574
1575}
1576//_____________________________________________________________________________
1577Float_t AliTOFGeometry::GetPadDz(Float_t *pos)
1578{
1579 //
1580 // Returns the z coordinate in the Pad reference frame
1581 //
1582
1583 Float_t zpad = -2.;
1584
1585 Float_t posLocal[3];
1586 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1587
1588 Int_t isector = GetSector(posLocal);
1589 if(isector == -1){
1590 //AliError("Detector Index could not be determined");
1591 return zpad;}
1592 Int_t iplate = GetPlate(posLocal);
1593 if(iplate == -1){
1594 //AliError("Detector Index could not be determined");
1595 return zpad;}
1596 Int_t istrip = GetStrip(posLocal);
1597 if(istrip == -1){
1598 //AliError("Detector Index could not be determined");
1599 return zpad;}
1600 Int_t ipadz = GetPadZ(posLocal);
1601 if(ipadz == -1){
1602 //AliError("Detector Index could not be determined");
1603 return zpad;}
1604 Int_t ipadx = GetPadX(posLocal);
1605 if(ipadx == -1){
1606 //AliError("Detector Index could not be determined");
1607 return zpad;}
1608
1609 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1610 Double_t angles[6] =
1611 {90., 90.+(isector+0.5)*fgkPhiSec,
1612 0., 0.,
1613 90., (isector+0.5)*fgkPhiSec
1614 };
1615 Rotation(posLocal,angles);
1616
1617 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1618 Translation(posLocal,step);
1619
1620 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1621 angles[0] = 90.;
1622 angles[1] = 0.;
1623 angles[2] = 0.;
1624 angles[3] = 0.;
1625 angles[4] = 90.;
1626 angles[5] =270.;
1627
1628 Rotation(posLocal,angles);
1629
1630 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1631 step[0] = 0.;
1632 step[1] = GetHeights(iplate,istrip);
1633 step[2] = -GetDistances(iplate,istrip);
1634 Translation(posLocal,step);
1635
1636 if (GetAngles(iplate,istrip) >0.) {
1637 angles[0] = 90.;
1638 angles[1] = 0.;
1639 angles[2] = 90.+GetAngles(iplate,istrip);
1640 angles[3] = 90.;
1641 angles[4] = GetAngles(iplate,istrip);
1642 angles[5] = 90.;
1643 }
1644 else if (GetAngles(iplate,istrip)==0.) {
1645 angles[0] = 90.;
1646 angles[1] = 0.;
1647 angles[2] = 90.;
1648 angles[3] = 90.;
1649 angles[4] = 0;
1650 angles[5] = 0.;
1651 }
1652 else if (GetAngles(iplate,istrip) <0.) {
1653 angles[0] = 90.;
1654 angles[1] = 0.;
1655 angles[2] = 90.+GetAngles(iplate,istrip);
1656 angles[3] = 90.;
1657 angles[4] =-GetAngles(iplate,istrip);
1658 angles[5] = 270.;
1659 }
1660 Rotation(posLocal,angles);
1661
1662 step[0] =-0.5*kNpadX*fgkXPad;
1663 step[1] = 0.;
1664 step[2] =-0.5*kNpadZ*fgkZPad;
1665 Translation(posLocal,step);
1666
1667 step[0] = (ipadx+0.5)*fgkXPad;
1668 step[1] = 0.;
1669 step[2] = (ipadz+0.5)*fgkZPad;
1670 Translation(posLocal,step);
1671
1672 zpad=posLocal[2];
1673
1674 return zpad;
1675
1676}
1677//_____________________________________________________________________________
1678
1679void AliTOFGeometry::Translation(Float_t *xyz, Float_t translationVector[3]) const
1680{
1681 //
1682 // Return the vector xyz translated by translationVector vector
1683 //
1684
1685 Int_t ii=0;
1686
1687 for (ii=0; ii<3; ii++)
1688 xyz[ii] -= translationVector[ii];
1689
1690 return;
1691
1692}
1693//_____________________________________________________________________________
1694
1695void AliTOFGeometry::Rotation(Float_t *xyz, Double_t rotationAngles[6]) const
1696{
1697 //
1698 // Return the vector xyz rotated according to the rotationAngles angles
1699 //
1700
1701 Int_t ii=0;
1702 /*
1703 TRotMatrix *matrix = new TRotMatrix("matrix","matrix", angles[0], angles[1],
1704 angles[2], angles[3],
1705 angles[4], angles[5]);
1706 */
1707
1708 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1709
1710 Float_t xyzDummy[3] = {0., 0., 0.};
1711
1712 for (ii=0; ii<3; ii++) {
1713 xyzDummy[ii] =
1714 xyz[0]*TMath::Sin(rotationAngles[2*ii])*TMath::Cos(rotationAngles[2*ii+1]) +
1715 xyz[1]*TMath::Sin(rotationAngles[2*ii])*TMath::Sin(rotationAngles[2*ii+1]) +
1716 xyz[2]*TMath::Cos(rotationAngles[2*ii]);
1717 }
1718
1719 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1720
1721 return;
1722
1723}
1724//_____________________________________________________________________________
1725void AliTOFGeometry::InverseRotation(Float_t *xyz, Double_t rotationAngles[6]) const
1726{
1727 //
1728 //
1729 //
1730
1731 Int_t ii=0;
1732
1733 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1734
1735 Float_t xyzDummy[3] = {0., 0., 0.};
1736
1737 xyzDummy[0] =
1738 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Cos(rotationAngles[1]) +
1739 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Cos(rotationAngles[3]) +
1740 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Cos(rotationAngles[5]);
1741
1742 xyzDummy[1] =
1743 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Sin(rotationAngles[1]) +
1744 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Sin(rotationAngles[3]) +
1745 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Sin(rotationAngles[5]);
1746
1747 xyzDummy[2] =
1748 xyz[0]*TMath::Cos(rotationAngles[0]) +
1749 xyz[1]*TMath::Cos(rotationAngles[2]) +
1750 xyz[2]*TMath::Cos(rotationAngles[4]);
1751
1752 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1753
1754 return;
1755
1756}
1757//_____________________________________________________________________________
1758
1759Int_t AliTOFGeometry::GetIndex(Int_t *detId)
1760{
1761 //Retrieve calibration channel index
1762 Int_t isector = detId[0];
1763 if (isector >= kNSectors){
1764 printf("Wrong sector number in TOF (%d) !",isector);
1765 return -1;
1766 }
1767 Int_t iplate = detId[1];
1768 if (iplate >= kNPlates){
1769 printf("Wrong plate number in TOF (%d) !",iplate);
1770 return -1;
1771 }
1772 Int_t istrip = detId[2];
1773 Int_t ipadz = detId[3];
1774 Int_t ipadx = detId[4];
1775 Int_t stripOffset = 0;
1776 switch (iplate) {
1777 case 0:
1778 stripOffset = 0;
1779 break;
1780 case 1:
1781 stripOffset = kNStripC;
1782 break;
1783 case 2:
1784 stripOffset = kNStripC+kNStripB;
1785 break;
1786 case 3:
1787 stripOffset = kNStripC+kNStripB+kNStripA;
1788 break;
1789 case 4:
1790 stripOffset = kNStripC+kNStripB+kNStripA+kNStripB;
1791 break;
1792 default:
1793 printf("Wrong plate number in TOF (%d) !",iplate);
1794 return -1;
1795 };
1796
1797 Int_t idet = ((2*(kNStripC+kNStripB)+kNStripA)
1798 *kNpadZ*kNpadX)*isector +
1799 (stripOffset*kNpadZ*kNpadX)+
1800 (kNpadZ*kNpadX)*istrip+
1801 (kNpadX)*ipadz+
1802 ipadx;
1803 return idet;
1804}
1805
1806
1807