1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 Revision 1.20.1 2007/05/19 decaro
19 Added the following methods:
20 GetVolumeIndices(Int_t index, Int_t *det), to get
21 the volume indices (sector, plate, strip, padz, padx,
22 stored respectively in det[0], det[1], det[2], det[3], det[4])
23 from the calibration channel index;
24 NStrip(Int_t nPlate), to get the strips number
25 per each kind of TOF module.
27 Revision 1.20 2007/10/08 17:52:55 decaro
28 hole region in front of PHOS detector: update of sectors' numbers
30 Revision 1.19 2007/10/04 14:05:09 zampolli
31 AliTOFGeometryV5 becoming AliTOFGeometry
33 Revision 1.18 2007/02/19 18:55:26 decaro
34 Added getter methods for volume path (for Event Display)
36 Revision 1.17.1 2006/12/15
37 Added method DetToStripRF(...) to get
38 a pad corner coordinates in its strip reference frame
39 (A.De Caro, M.Di Stefano)
40 Revision 1.17 2006/08/22 13:30:02 arcelli
41 removal of effective c++ warnings (C.Zampolli)
43 Revision 1.16 2006/04/20 22:30:50 hristov
44 Coding conventions (Annalisa)
46 Revision 1.15 2006/04/16 22:29:05 hristov
47 Coding conventions (Annalisa)
49 Revision 1.14 2006/04/05 08:35:38 hristov
50 Coding conventions (S.Arcelli, C.Zampolli)
52 Revision 1.13 2006/03/12 14:37:54 arcelli
53 Changes for TOF Reconstruction using TGeo
55 Revision 1.12 2006/02/28 10:38:00 decaro
56 AliTOFGeometry::fAngles, AliTOFGeometry::fHeights, AliTOFGeometry::fDistances arrays: dimension definition in the right location
58 Revision 1.11 2005/12/15 14:17:29 decaro
59 Correction of some parameter values
61 Revision 1.10 2005/12/15 08:55:32 decaro
62 New TOF geometry description (V5) -G. Cara Romeo and A. De Caro
64 Revision 1.9.1 2005/07/19 A. De Caro
65 Created daughter-classes AliTOFGeometryV4 and AliTOFGeometryV5
66 => moved global methods IsInsideThePad, DistanceToPad,
67 GetPlate, GetSector, GetStrip, GetPadX, GetPadZ,
68 GetX, GetY, GetZ, GetPadDx, GetPadDy and GetPadDz
71 Revision 1.9 2005/10/20 12:41:35 hristov
72 Implementation of parallel tracking. It is not the default version, one can use it passing option MI from AliReconstruction to TOF (M.Ivanov)
74 Revision 1.8 2004/11/29 08:28:01 decaro
75 Introduction of a new TOF constant (i.e. TDC bin width)
77 Revision 1.7 2004/11/05 07:20:08 decaro
78 TOF library splitting and conversion of some printout messages in AliLog schema (T.Kuhr)
80 Revision 1.6 2004/06/15 15:27:59 decaro
81 TOF raw data: preliminary implementation and style changes
83 Revision 1.5 2004/04/20 14:37:22 hristov
84 Using TMath::Abs instead of fabs, arrays of variable size created/deleted correctly (HP,Sun)
86 Revision 1.4 2004/04/13 09:42:51 decaro
87 Track reconstruction code for TOF: updating
89 Revision 1.3 2003/12/29 18:40:39 hristov
90 Copy/paste error corrected
92 Revision 1.2 2003/12/29 17:26:01 hristov
93 Using enum to initaialize static ints in the header file, the initialization of static floats moved to the implementation file
95 Revision 1.1 2003/12/29 15:18:03 decaro
96 TOF geometry updating (addition of AliTOFGeometry)
98 Revision 0.05 2004/6/11 A.De Caro
99 Implement Global method NpadXStrip
100 Insert four float constants (originally in AliTOF class)
101 Revision 0.04 2004/4/05 S.Arcelli
102 Implement Global methods IsInsideThePad
104 Revision 0.03 2003/12/14 S.Arcelli
105 Set Phi range [-180,180]->[0,360]
106 Revision 0.02 2003/12/10 S.Arcelli:
107 Implement Global methods GetPos & GetDetID
108 Revision 0.01 2003/12/04 S.Arcelli
111 ///////////////////////////////////////////////////////////////////////////////
113 // TOF Geometry class //
115 ///////////////////////////////////////////////////////////////////////////////
117 #include "TGeoManager.h"
118 //#include "TGeoMatrix.h"
121 #include "AliConst.h"
122 #include "AliGeomManager.h"
125 #include "AliTOFGeometry.h"
127 extern TGeoManager *gGeoManager;
129 ClassImp(AliTOFGeometry)
131 const Float_t AliTOFGeometry::fgkZlenA = 370.6*2.; // length (cm) of the A module
132 const Float_t AliTOFGeometry::fgkZlenB = 146.5; // length (cm) of the B module
133 const Float_t AliTOFGeometry::fgkZlenC = 170.45; // length (cm) of the C module
134 const Float_t AliTOFGeometry::fgkMaxhZtof = 370.6; // Max half z-size of TOF (cm)
136 const Float_t AliTOFGeometry::fgkxTOF = 372.00;// Inner radius of the TOF for Reconstruction (cm)
137 const Float_t AliTOFGeometry::fgkRmin = 371.00;// Inner radius of the TOF (cm)
138 const Float_t AliTOFGeometry::fgkRmax = 400.05;// Outer radius of the TOF (cm)
140 const Float_t AliTOFGeometry::fgkXPad = 2.5; // Pad size in the x direction (cm)
141 const Float_t AliTOFGeometry::fgkZPad = 3.5; // Pad size in the z direction (cm)
143 const Float_t AliTOFGeometry::fgkStripLength = 122.;// Strip Length (rho X phi direction) (cm)
145 const Float_t AliTOFGeometry::fgkSigmaForTail1= 2.; //Sig1 for simulation of TDC tails
146 const Float_t AliTOFGeometry::fgkSigmaForTail2= 0.5;//Sig2 for simulation of TDC tails
148 const Float_t AliTOFGeometry::fgkPhiSec= 20;//sector Phi width (deg)
150 Bool_t AliTOFGeometry::fgHoles = 1;//logical for geometry version (w/wo holes)
152 const Float_t AliTOFGeometry::fgkTdcBin = 24.4; // time-of-flight bin width [ps]
153 const Float_t AliTOFGeometry::fgkToTBin = 48.8; // time-over-threshold bin width [ps]
154 const Float_t AliTOFGeometry::fgkBunchCrossingBin = fgkTdcBin * 1024; // bunch-crossing bin width [ps]
156 const Float_t AliTOFGeometry::fgkSlewTOTMin = 10.; // min TOT for slewing correction [ns]
157 const Float_t AliTOFGeometry::fgkSlewTOTMax = 16.; // max TOT for slewing correction [ns]
159 const Float_t AliTOFGeometry::fgkDeadTime = 25E+03; // Single channel dead time (ps)
160 const Float_t AliTOFGeometry::fgkMatchingWindow = fgkTdcBin*TMath::Power(2,13); // Matching window (ps)
162 const Float_t AliTOFGeometry::fgkAngles[kNPlates][kMaxNstrip] = {
163 { 43.99, 43.20, 42.40, 41.59, 40.77, 39.94, 39.11, 38.25, 37.40, 36.53,
164 35.65, 34.76, 33.87, 32.96, 32.05, 31.13, 30.19, 29.24, 12.33, 0.00},
166 { 27.26, 26.28, 25.30, 24.31, 23.31, 22.31, 21.30, 20.29, 19.26, 18.24,
167 17.20, 16.16, 15.11, 14.05, 13.00, 11.93, 10.87, 9.80, 8.74, 0.00},
169 { 0.00, 6.30, 5.31, 4.25, 3.19, 2.12, 1.06, 0.00, -1.06, -2.12,
170 -3.19, -4.25, -5.31, -6.30, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00},
172 { -8.74, -9.80, -10.87, -11.93, -13.00, -14.05, -15.11, -16.16, -17.20, -18.24,
173 -19.26, -20.29, -21.30, -22.31, -23.31, -24.31, -25.30, -26.28, -27.26, 0.00},
175 {-12.33, -29.24, -30.19, -31.13, -32.05, -32.96, -33.87, -34.76, -35.65, -36.53,
176 -37.40, -38.25, -39.11, -39.94, -40.77, -41.59, -42.40, -43.20, -43.99, 0.00}
180 const Float_t AliTOFGeometry::fgkHeights[kNPlates][kMaxNstrip] = {
181 {-8.2, -7.5, -8.2, -7.7, -8.1, -7.6, -7.7, -7.7, -7.7, -7.7,
182 -7.5, -7.2, -7.3, -7.5, -7.6, -7.8, -8.3, -9.3, -3.1, 0.0},
184 {-7.9, -8.1, -8.5, -9.0, -10.1, -3.9, -5.9, -7.7, -10.1, -3.6,
185 -5.8, -8.0, -10.4, -4.4, -7.2, -10.2, -4.6, -7.4, -10.4, 0.0},
187 {-2.5, -10.4, -5.0, -9.9, -4.8, -9.9, -4.7, -10.2, -4.7, -9.9,
188 -4.8, -9.9, -5.0, -10.4, -2.5, 0.0, 0.0, 0.0, 0.0, 0.0},
190 {-10.4, -7.4, -4.6, -10.2, -7.2, -4.4, -10.4, -8.0, -5.8, -3.6,
191 -10.1, -7.7, -5.9, -3.9, -10.1, -9.0, -8.5, -8.1, -7.9, 0.0},
193 { -3.1, -9.3, -8.3, -7.8, -7.6, -7.5, -7.3, -7.2, -7.5, -7.7,
194 -7.7, -7.7, -7.7, -7.6, -8.1, -7.7, -8.2, -7.5, -8.2, 0.0}
198 const Float_t AliTOFGeometry::fgkHeights[kNPlates][kMaxNstrip] = {
199 { -8.405, -10.885, -8.405, -7.765, -8.285, -7.745, -7.865, -7.905, -7.895, -7.885,
200 -7.705, -7.395, -7.525, -7.645, -11.285, -10.355, -8.365, -9.385, -3.255, 0.000 },
201 { -7.905, -8.235, -8.605, -9.045, -10.205, -3.975, -5.915, -7.765, -10.205, -3.635,
202 -5.885, -8.005, -10.505, -4.395, -7.325, -10.235, -4.655, -7.495, -10.515, 0.000 },
203 { -2.705, -10.645, -5.165, -10.095, -4.995, -10.815, -4.835, -10.385, -4.835, -10.815,
204 -4.995, -10.095, -5.165, -10.645, -2.705, 0.000, 0.000, 0.000, 0.000, 0.000 },
205 { -10.515, -7.495, -4.655, -10.235, -7.325, -4.395, -10.505, -8.005, -5.885, -3.635,
206 -10.205, -7.765, -5.915, -3.975, -10.205, -9.045, -8.605, -8.235, -7.905, 0.000 },
207 { -3.255, -9.385, -8.365, -10.355, -11.285, -7.645, -7.525, -7.395, -7.705, -7.885,
208 -7.895, -7.905, -7.865, -7.745, -8.285, -7.765, -8.405, -10.885, -8.405, 0.000 }
213 const Float_t AliTOFGeometry::fgkHeights[kNPlates][kMaxNstrip] = {
214 { -8.405, -7.725, -8.405, -7.765, -8.285, -7.745, -7.865, -7.905, -7.895, -7.885,
215 -7.705, -7.395, -7.525, -7.645, -7.835, -7.965, -8.365, -9.385, -3.255, 0.000 },
216 { -7.905, -8.235, -8.605, -9.045, -10.205, -3.975, -5.915, -7.765, -10.205, -3.635,
217 -5.885, -8.005, -10.505, -4.395, -7.325, -10.235, -4.655, -7.495, -10.515, 0.000 },
218 { -2.705, -10.645, -5.165, -10.095, -4.995, -10.085, -4.835, -10.385, -4.835, -10.085,
219 -4.995, -10.095, -5.165, -10.645, -2.705, 0.000, 0.000, 0.000, 0.000, 0.000 },
220 {-10.515, -7.495, -4.655, -10.235, -7.325, -4.395, -10.505, -8.005, -5.885, -3.635,
221 -10.205, -7.765, -5.915, -3.975, -10.205, -9.045, -8.605, -8.235, -7.905, 0.000 },
222 { -3.255, -9.385, -8.365, -7.965, -7.835, -7.645, -7.525, -7.395, -7.705, -7.885,
223 -7.895, -7.905, -7.865, -7.745, -8.285, -7.765, -8.405, -7.725, -8.405, 0.000 }
228 const Float_t AliTOFGeometry::fgkDistances[kNPlates][kMaxNstrip] = {
229 { 364.14, 354.88, 344.49, 335.31, 325.44, 316.51, 307.11, 297.91, 288.84, 279.89,
230 271.20, 262.62, 253.84, 245.20, 236.56, 228.06, 219.46, 210.63, 206.09, 0.00 },
231 { 194.57, 186.38, 178.25, 170.13, 161.78, 156.62, 148.10, 139.72, 131.23, 125.87,
232 117.61, 109.44, 101.29, 95.46, 87.36, 79.37, 73.17, 65.33, 57.71, 0.00 },
233 { 49.28, 41.35, 35.37, 27.91, 21.20, 13.94, 7.06, 0.00, -7.06, -13.94,
234 -21.20, -27.91, -35.37, -41.35, -49.28, 0.00, 0.00, 0.00, 0.00, 0.00 },
235 { -57.71, -65.33, -73.17, -79.37, -87.36, -95.46, -101.29, -109.44, -117.61, -125.87,
236 -131.23, -139.72, -148.10, -156.62, -161.78, -170.13, -178.25, -186.38, -194.57, 0.00 },
237 {-206.09, -210.63, -219.46, -228.06, -236.56, -245.20, -253.84, -262.62, -271.20, -279.89,
238 -288.84, -297.91, -307.11, -316.51, -325.44, -335.31, -344.49, -354.88, -364.14, 0.00 }
242 const Float_t AliTOFGeometry::fgkDistances[kNPlates][kMaxNstrip] = {
243 { 364.1, 354.9, 344.5, 335.4, 325.5, 316.6, 307.2, 298.0, 288.9, 280.0,
244 271.3, 262.7, 254.0, 244.8, 236.1, 227.7, 219.1, 210.3, 205.7, 0.0},
246 { 194.2, 186.1, 177.9, 169.8, 161.5, 156.3, 147.8, 139.4, 130.9, 125.6,
247 117.3, 109.2, 101.1, 95.3, 87.1, 79.2, 73.0, 65.1, 57.6, 0.0},
249 { 49.5, 41.3, 35.3, 27.8, 21.2, 13.9, 7.0, 0.0, -7.0, -13.9,
250 -21.2, -27.8, -35.3, -41.3, -49.5, 0.0, 0.0, 0.0, 0.0, 0.0},
252 { -57.6, -65.1, -73.0, -79.2, -87.1, -95.3, -101.1, -109.2, -117.3, -125.6,
253 -130.9, -139.4, -147.8, -156.3, -161.5, -169.8, -177.9, -186.1, -194.2, 0.0},
255 {-205.7, -210.3, -219.1, -227.7, -236.1, -244.8, -254.0, -262.7, -271.3, -280.0,
256 -288.9, -298.0, -307.2, -316.6, -325.5, -335.4, -344.5, -354.9, -364.1, 0.0}
259 //_____________________________________________________________________________
260 AliTOFGeometry::AliTOFGeometry()
263 // AliTOFGeometry default constructor
268 //_____________________________________________________________________________
269 AliTOFGeometry::~AliTOFGeometry()
272 // AliTOFGeometry destructor
275 //_____________________________________________________________________________
276 void AliTOFGeometry::ImportGeometry(){
277 TGeoManager::Import("geometry.root");
279 //_____________________________________________________________________________
280 void AliTOFGeometry::GetPosPar(Int_t *det, Float_t *pos)
283 // Returns space point coor (x,y,z) (cm) for Detector
284 // Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
292 //_____________________________________________________________________________
293 void AliTOFGeometry::GetDetID( Float_t *pos, Int_t *det)
296 // Returns Detector Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
297 // space point coor (x,y,z) (cm)
300 det[0]=GetSector(pos);
301 det[1]=GetPlate(pos);
302 det[2]=GetStrip(pos);
307 //_____________________________________________________________________________
309 void AliTOFGeometry::DetToStripRF(Int_t nPadX, Int_t nPadZ, Float_t &x, Float_t &z) const
312 // Returns the local coordinates (x, z) in strip reference frame
313 // for the bottom corner of the pad number (nPadX, nPadZ)
316 const Float_t xCenterStrip = kNpadX * fgkXPad / 2.;
317 const Float_t zCenterStrip = kNpadZ * fgkZPad / 2.;
319 const Float_t xCenterPad = nPadX*fgkXPad + fgkXPad / 2.;
320 const Float_t zCenterPad = nPadZ*fgkZPad + fgkZPad / 2.;
322 x = xCenterPad - xCenterStrip;
323 z = zCenterPad - zCenterStrip;
327 x = (nPadX - kNpadX*0.5) * fgkXPad;
328 z = (nPadZ - kNpadZ*0.5) * fgkZPad;
332 //_____________________________________________________________________________
333 Float_t AliTOFGeometry::DistanceToPadPar(Int_t *det, const Float_t * pos, Float_t *dist3d) const
336 // Returns distance of space point with coor pos (x,y,z) (cm) wrt
337 // pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
340 //Transform pos into Sector Frame
346 Float_t radius = TMath::Sqrt(x*x+y*y);
347 //Float_t phi=TMath::ATan(y/x);
348 //if(phi<0) phi = k2PI+phi; //2.*TMath::Pi()+phi;
349 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
350 // Get the local angle in the sector philoc
351 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5)*fgkPhiSec;
352 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
353 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
356 // Do the same for the selected pad
361 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
362 //Float_t padPhi = TMath::ATan(g[1]/g[0]);
363 //if(padPhi<0) padPhi = k2Pi + padPhi;
364 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
366 // Get the local angle in the sector philoc
367 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
368 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
369 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
370 Float_t padzs = g[2];
372 //Now move to local pad coordinate frame. Translate:
374 Float_t xt = xs-padxs;
375 Float_t yt = ys-padys;
376 Float_t zt = zs-padzs;
379 Float_t alpha = GetAngles(det[1],det[2]);
380 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
382 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
384 Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr);
395 //_____________________________________________________________________________
396 Bool_t AliTOFGeometry::IsInsideThePadPar(Int_t *det, const Float_t * pos) const
399 // Returns true if space point with coor pos (x,y,z) (cm) falls
400 // inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
403 Bool_t isInside=false;
406 const Float_t khhony = 1.0 ; // heigth of HONY Layer
407 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
408 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
409 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
410 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
411 //const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
412 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
413 //const Float_t kwstripz = kwcpcbz;
414 //const Float_t klstripx = fgkStripLength;
417 const Float_t kPadDepth = 0.5;//0.05;//0.11;//0.16;// // heigth of Sensitive Layer
419 //Transform pos into Sector Frame
425 Float_t radius = TMath::Sqrt(x*x+y*y);
426 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
428 // Get the local angle in the sector philoc
429 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5) *fgkPhiSec;
430 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
431 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
434 // Do the same for the selected pad
439 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
440 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
442 // Get the local angle in the sector philoc
443 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
444 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
445 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
446 Float_t padzs = g[2];
448 //Now move to local pad coordinate frame. Translate:
450 Float_t xt = xs-padxs;
451 Float_t yt = ys-padys;
452 Float_t zt = zs-padzs;
456 Float_t alpha = GetAngles(det[1],det[2]);
457 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
459 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
461 if(TMath::Abs(xr)<=kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
466 //_____________________________________________________________________________
467 Bool_t AliTOFGeometry::IsInsideThePad(TGeoHMatrix *mat, const Float_t * pos, Float_t *dist3d) const
470 // Returns true if space point with coor pos (x,y,z) [cm] falls inside
471 // pad identified by the matrix mat. In case dist3d!=0, dist3d vector
472 // has been filled with the 3D distance between the impact point on
473 // the pad and the pad centre (in the reference frame of the TOF pad
474 // identified by the matrix mat).
477 const Float_t kPadDepth = 0.5; // heigth of Sensitive Layer
484 // from ALICE global reference system
485 // towards TOF pad reference system
486 Double_t posl[3] = {0., 0., 0.};
487 mat->MasterToLocal(posg,posl);
489 Float_t xr = posl[0];
490 Float_t yr = posl[1];
491 Float_t zr = posl[2];
493 Bool_t isInside = false;
494 if (TMath::Abs(yr)<= kPadDepth*0.5 &&
495 TMath::Abs(xr)<= fgkXPad*0.5 &&
496 TMath::Abs(zr)<= fgkZPad*0.5)
500 //Double_t padl[3] = {0., 0., 0.};
501 dist3d[0] = posl[0]/* - padl[0]*/;
502 dist3d[1] = posl[1]/* - padl[1]*/;
503 dist3d[2] = posl[2]/* - padl[2]*/;
506 Double_t padg[3] = {0., 0., 0.};
507 // from TOF pad local reference system
508 // towards ALICE global reference system
509 TGeoHMatrix inverse = mat->Inverse();
510 inverse.MasterToLocal(padl,padg);
512 // returns the 3d distance
513 // between the impact point on the pad
514 // and the pad centre (in the ALICE global reference frame)
515 dist3d[0] = posg[0] - padg[0];
516 dist3d[1] = posg[1] - padg[1];
517 dist3d[2] = posg[2] - padg[2];
524 //_____________________________________________________________________________
525 void AliTOFGeometry::GetVolumePath(const Int_t * ind, Char_t *path ) {
526 //--------------------------------------------------------------------
527 // This function returns the colume path of a given pad
528 //--------------------------------------------------------------------
529 Int_t sector = ind[0];
531 const Int_t kSize = 100;
533 Char_t string1[kSize];
534 Char_t string2[kSize];
535 Char_t string3[kSize];
540 snprintf(string1,kSize,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
544 if( iplate==0) icopy=istrip;
545 if( iplate==1) icopy=istrip+NStripC();
546 if( iplate==2) icopy=istrip+NStripC()+NStripB();
547 if( iplate==3) icopy=istrip+NStripC()+NStripB()+NStripA();
548 if( iplate==4) icopy=istrip+NStripC()+2*NStripB()+NStripA();
550 snprintf(string2,kSize,"FTOA_0/FLTA_0/FSTR_%i",icopy);
551 if(fgHoles && (sector==13 || sector==14 || sector==15)){
552 if(iplate<2) snprintf(string2,kSize,"FTOB_0/FLTB_0/FSTR_%i",icopy);
553 if(iplate>2) snprintf(string2,kSize,"FTOC_0/FLTC_0/FSTR_%i",icopy);
556 Int_t padz = ind[3]+1;
557 Int_t padx = ind[4]+1;
558 snprintf(string3,kSize,"FPCB_1/FSEN_1/FSEZ_%i/FPAD_%i",padz,padx);
559 snprintf(path,2*kSize,"%s/%s/%s",string1,string2,string3);
562 //_____________________________________________________________________________
563 void AliTOFGeometry::GetVolumePath(Int_t sector, Char_t *path ){
564 //--------------------------------------------------------------------
565 // This function returns the colume path of a given sector
566 //--------------------------------------------------------------------
568 const Int_t kSize = 100;
570 Char_t string[kSize];
572 Int_t icopy = sector;
574 snprintf(string,kSize,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
575 snprintf(path,2*kSize,"%s",string);
578 //_____________________________________________________________________________
579 void AliTOFGeometry::GetVolumePath(Int_t sector, Int_t plate, Int_t strip, Char_t *path ) {
580 //--------------------------------------------------------------------
581 // This function returns the colume path of a given strip
582 //--------------------------------------------------------------------
584 const Int_t kSize = 100;
586 Char_t string1[kSize];
587 Char_t string2[kSize];
588 Char_t string3[kSize];
590 Int_t icopy = sector;
592 snprintf(string1,kSize,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
594 if(plate==0) icopy=strip;
595 if(plate==1) icopy=strip+NStripC();
596 if(plate==2) icopy=strip+NStripC()+NStripB();
597 if(plate==3) icopy=strip+NStripC()+NStripB()+NStripA();
598 if(plate==4) icopy=strip+NStripC()+2*NStripB()+NStripA();
600 snprintf(string2,kSize,"FTOA_0/FLTA_0/FSTR_%i",icopy);
601 if(fgHoles && (sector==13 || sector==14 || sector==15)){
602 if(plate<2) snprintf(string2,kSize,"FTOB_0/FLTB_0/FSTR_%i",icopy);
603 if(plate>2) snprintf(string2,kSize,"FTOC_0/FLTC_0/FSTR_%i",icopy);
606 snprintf(string3,kSize,"FPCB_1/FSEN_1");
607 snprintf(path,2*kSize,"%s/%s/%s",string1,string2,string3);
610 //_____________________________________________________________________________
611 void AliTOFGeometry::GetPos(Int_t *det, Float_t *pos)
614 // Returns space point coor (x,y,z) (cm) for Detector
615 // Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
618 GetVolumePath(det,path);
620 printf("ERROR: no TGeo\n");
622 gGeoManager->cd(path);
624 global = *gGeoManager->GetCurrentMatrix();
625 const Double_t *tr = global.GetTranslation();
631 //_____________________________________________________________________________
632 Int_t AliTOFGeometry::GetPlate(const Float_t * pos)
635 // Returns the Plate index
637 const Float_t kInterCentrModBorder1 = 49.5;
638 const Float_t kInterCentrModBorder2 = 57.5;
639 const Float_t kExterInterModBorder1 = 196.0;
640 const Float_t kExterInterModBorder2 = 203.5;
642 const Float_t kLengthExInModBorder = 4.7;
643 const Float_t kLengthInCeModBorder = 7.0;
645 //const Float_t khAlWall = 0.1;
646 const Float_t kModuleWallThickness = 0.3;
647 //const Float_t kHoneycombLayerThickness = 1.5;
652 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
654 Int_t isector = GetSector(posLocal);
656 //AliError("Detector Index could not be determined");
660 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
662 {90., 90.+(isector+0.5)*fgkPhiSec,
664 90., (isector+0.5)*fgkPhiSec
666 Rotation(posLocal,angles);
668 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
669 Translation(posLocal,step);
671 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
679 Rotation(posLocal,angles);
681 Float_t yLocal = posLocal[1];
682 Float_t zLocal = posLocal[2];
684 Float_t deltaRhoLoc = (fgkRmax-fgkRmin)*0.5 - kModuleWallThickness + yLocal;
685 Float_t deltaZetaLoc = TMath::Abs(zLocal);
687 Float_t deltaRHOmax = 0.;
689 if (TMath::Abs(zLocal)>=kExterInterModBorder1 && TMath::Abs(zLocal)<=kExterInterModBorder2)
691 deltaRhoLoc -= kLengthExInModBorder;
692 deltaZetaLoc = kExterInterModBorder2-deltaZetaLoc;
693 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthExInModBorder; // old 5.35, new 4.8
695 if (deltaRhoLoc > deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) {
696 if (zLocal<0) iPlate = 0;
700 if (zLocal<0) iPlate = 1;
704 else if (TMath::Abs(zLocal)>=kInterCentrModBorder1 && TMath::Abs(zLocal)<=kInterCentrModBorder2)
706 deltaRhoLoc -= kLengthInCeModBorder;
707 deltaZetaLoc = deltaZetaLoc-kInterCentrModBorder1;
708 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthInCeModBorder; // old 0.39, new 0.2
710 if (deltaRhoLoc>deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) iPlate = 2;
712 if (zLocal<0) iPlate = 1;
717 if (zLocal>-fgkZlenA*0.5 && zLocal<-kExterInterModBorder2) iPlate = 0;
718 else if (zLocal>-kExterInterModBorder1 && zLocal<-kInterCentrModBorder2) iPlate = 1;
719 else if (zLocal>-kInterCentrModBorder1 && zLocal< kInterCentrModBorder1) iPlate = 2;
720 else if (zLocal> kInterCentrModBorder2 && zLocal< kExterInterModBorder1) iPlate = 3;
721 else if (zLocal> kExterInterModBorder2 && zLocal< fgkZlenA*0.5) iPlate = 4;
727 //_____________________________________________________________________________
728 Int_t AliTOFGeometry::GetSector(const Float_t * pos)
731 // Returns the Sector index
740 Float_t rho = TMath::Sqrt(x*x + y*y);
742 if (!((z>=-fgkZlenA*0.5 && z<=fgkZlenA*0.5) &&
743 (rho>=(fgkRmin) && rho<=(fgkRmax)))) {
744 //AliError("Detector Index could not be determined");
748 Float_t phi = TMath::Pi() + TMath::ATan2(-y,-x);
750 iSect = (Int_t) (phi*kRaddeg/fgkPhiSec);
755 //_____________________________________________________________________________
756 Int_t AliTOFGeometry::GetStrip(const Float_t * pos)
759 // Returns the Strip index
761 const Float_t khhony = 1.0 ; // heigth of HONY Layer
762 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
763 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
764 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
765 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
766 const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
767 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
768 const Float_t kwstripz = kwcpcbz;
769 const Float_t klstripx = fgkStripLength;
774 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
775 // AliDebug(1,Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ",
776 // posLocal[0],posLocal[1],posLocal[2]));
778 Int_t isector = GetSector(posLocal);
780 //AliError("Detector Index could not be determined");
782 Int_t iplate = GetPlate(posLocal);
784 //AliError("Detector Index could not be determined");
802 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
804 {90., 90.+(isector+0.5)*fgkPhiSec,
806 90., (isector+0.5)*fgkPhiSec
808 Rotation(posLocal,angles);
809 // AliDebug(1,Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ",
810 // posLocal[0],posLocal[1],posLocal[2]));
812 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
813 Translation(posLocal,step);
814 // AliDebug(1,Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ",
815 // posLocal[0],posLocal[1],posLocal[2]));
817 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
825 Rotation(posLocal,angles);
826 // AliDebug(1,Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ",
827 // posLocal[0],posLocal[1],posLocal[2]));
829 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
831 for (Int_t istrip=0; istrip<nstrips; istrip++){
833 Float_t posLoc2[3]={posLocal[0],posLocal[1],posLocal[2]};
836 step[1] = GetHeights(iplate,istrip);
837 step[2] = -GetDistances(iplate,istrip);
838 Translation(posLoc2,step);
840 if (GetAngles(iplate,istrip) >0.) {
843 angles[2] = 90.+GetAngles(iplate,istrip);
845 angles[4] = GetAngles(iplate,istrip);
848 else if (GetAngles(iplate,istrip)==0.) {
856 else if (GetAngles(iplate,istrip) <0.) {
859 angles[2] = 90.+GetAngles(iplate,istrip);
861 angles[4] =-GetAngles(iplate,istrip);
864 Rotation(posLoc2,angles);
865 // AliDebug(1,Form(" strip %2d: posLoc2[0] = %f, posLoc2[1] = %f, posLoc2[2] = %f ",
866 // istrip, posLoc2[0],posLoc2[1],posLoc2[2]));
868 if ((TMath::Abs(posLoc2[0])<=klstripx*0.5) &&
869 (TMath::Abs(posLoc2[1])<=khstripy*0.5) &&
870 (TMath::Abs(posLoc2[2])<=kwstripz*0.5)) {
873 for (Int_t jj=0; jj<3; jj++) posLocal[jj]=posLoc2[jj];
874 // AliDebug(2,Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ",
875 // posLocal[0],posLocal[1],posLocal[2]));
877 // AliDebug(2,Form(" GetAngles(%1i,%2i) = %f, pos[0] = %f, pos[1] = %f, pos[2] = %f",
878 // iplate, istrip, GetAngles(iplate,istrip), pos[0], pos[1], pos[2]));
882 // if (totStrip>1) AliInfo(Form("total strip number found %2i",totStrip));
889 //_____________________________________________________________________________
890 Int_t AliTOFGeometry::GetPadZ(const Float_t * pos)
893 // Returns the Pad index along Z
895 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
896 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
897 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
902 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
904 Int_t isector = GetSector(posLocal);
906 //AliError("Detector Index could not be determined");
908 Int_t iplate = GetPlate(posLocal);
910 //AliError("Detector Index could not be determined");
912 Int_t istrip = GetStrip(posLocal);
914 //AliError("Detector Index could not be determined");
917 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
919 {90., 90.+(isector+0.5)*fgkPhiSec,
921 90., (isector+0.5)*fgkPhiSec
923 Rotation(posLocal,angles);
925 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
926 Translation(posLocal,step);
928 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
936 Rotation(posLocal,angles);
938 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
940 step[1] = GetHeights(iplate,istrip);
941 step[2] = -GetDistances(iplate,istrip);
942 Translation(posLocal,step);
944 if (GetAngles(iplate,istrip) >0.) {
947 angles[2] = 90.+GetAngles(iplate,istrip);
949 angles[4] = GetAngles(iplate,istrip);
952 else if (GetAngles(iplate,istrip)==0.) {
960 else if (GetAngles(iplate,istrip) <0.) {
963 angles[2] = 90.+GetAngles(iplate,istrip);
965 angles[4] =-GetAngles(iplate,istrip);
968 Rotation(posLocal,angles);
970 step[0] =-0.5*kNpadX*fgkXPad;
972 step[2] =-0.5*kNpadZ*fgkZPad;
973 Translation(posLocal,step);
975 iPadZ = (Int_t)(posLocal[2]/fgkZPad);
976 if (iPadZ==kNpadZ) iPadZ--;
977 else if (iPadZ>kNpadZ) iPadZ=-1;
982 //_____________________________________________________________________________
983 Int_t AliTOFGeometry::GetPadX(const Float_t * pos)
986 // Returns the Pad index along X
988 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
989 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
990 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
995 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
997 Int_t isector = GetSector(posLocal);
999 //AliError("Detector Index could not be determined");
1001 Int_t iplate = GetPlate(posLocal);
1003 //AliError("Detector Index could not be determined");
1005 Int_t istrip = GetStrip(posLocal);
1007 //AliError("Detector Index could not be determined");
1010 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1011 Double_t angles[6] =
1012 {90., 90.+(isector+0.5)*fgkPhiSec,
1014 90., (isector+0.5)*fgkPhiSec
1016 Rotation(posLocal,angles);
1018 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1019 Translation(posLocal,step);
1021 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1029 Rotation(posLocal,angles);
1031 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1033 step[1] = GetHeights(iplate,istrip);
1034 step[2] = -GetDistances(iplate,istrip);
1035 Translation(posLocal,step);
1037 if (GetAngles(iplate,istrip) >0.) {
1040 angles[2] = 90.+GetAngles(iplate,istrip);
1042 angles[4] = GetAngles(iplate,istrip);
1045 else if (GetAngles(iplate,istrip)==0.) {
1053 else if (GetAngles(iplate,istrip) <0.) {
1056 angles[2] = 90.+GetAngles(iplate,istrip);
1058 angles[4] =-GetAngles(iplate,istrip);
1061 Rotation(posLocal,angles);
1063 step[0] =-0.5*kNpadX*fgkXPad;
1065 step[2] =-0.5*kNpadZ*fgkZPad;
1066 Translation(posLocal,step);
1068 iPadX = (Int_t)(posLocal[0]/fgkXPad);
1069 if (iPadX==kNpadX) iPadX--;
1070 else if (iPadX>kNpadX) iPadX=-1;
1075 //_____________________________________________________________________________
1076 Float_t AliTOFGeometry::GetX(const Int_t * det)
1079 // Returns X coordinate (cm)
1082 Int_t isector = det[0];
1083 Int_t iplate = det[1];
1084 Int_t istrip = det[2];
1085 Int_t ipadz = det[3];
1086 Int_t ipadx = det[4];
1089 // Find out distance d on the plane wrt median phi:
1090 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
1092 // The radius r in xy plane:
1093 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1094 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1095 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1096 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1098 // local azimuthal angle in the sector philoc
1099 Float_t philoc = TMath::ATan(d/r);
1100 //if(philoc<0.) philoc = k2PI + philoc;
1102 // azimuthal angle in the global frame phi
1103 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1105 Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
1108 // Pad reference frame -> FSTR reference frame
1109 Float_t posLocal[3] = {0., 0., 0.};
1110 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1111 Translation(posLocal,step);
1113 step[0] = kNpadX*0.5*fgkXPad;
1115 step[2] = kNpadZ*0.5*fgkZPad;
1117 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1118 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1120 Translation(posLocal,step);
1122 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1123 Double_t angles[6] = {0.,0.,0.,0.,0.,0.};
1124 if (GetAngles(iplate,istrip) >0.) {
1127 angles[2] = 90.+GetAngles(iplate,istrip);
1129 angles[4] = GetAngles(iplate,istrip);
1132 else if (GetAngles(iplate,istrip)==0.) {
1140 else if (GetAngles(iplate,istrip) <0.) {
1143 angles[2] = 90.+GetAngles(iplate,istrip);
1145 angles[4] =-GetAngles(iplate,istrip);
1149 InverseRotation(posLocal,angles);
1152 step[1] = -GetHeights(iplate,istrip);
1153 step[2] = GetDistances(iplate,istrip);
1154 Translation(posLocal,step);
1156 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1164 InverseRotation(posLocal,angles);
1166 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1169 step[2] = -((fgkRmax+fgkRmin)*0.5);
1170 Translation(posLocal,step);
1173 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1177 angles[5] = (isector+0.5)*fgkPhiSec;
1179 InverseRotation(posLocal,angles);
1181 Float_t xCoor = posLocal[0];
1186 //_____________________________________________________________________________
1187 Float_t AliTOFGeometry::GetY(const Int_t * det)
1190 // Returns Y coordinate (cm)
1193 Int_t isector = det[0];
1194 Int_t iplate = det[1];
1195 Int_t istrip = det[2];
1196 Int_t ipadz = det[3];
1197 Int_t ipadx = det[4];
1200 // Find out distance d on the plane wrt median phi:
1201 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
1203 // The radius r in xy plane:
1204 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1205 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1206 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1207 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1209 // local azimuthal angle in the sector philoc
1210 Float_t philoc = TMath::ATan(d/r);
1211 //if(philoc<0.) philoc = k2PI + philoc;
1213 // azimuthal angle in the global frame phi
1214 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1216 Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
1219 // Pad reference frame -> FSTR reference frame
1220 Float_t posLocal[3] = {0., 0., 0.};
1221 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1222 Translation(posLocal,step);
1224 step[0] = kNpadX*0.5*fgkXPad;
1226 step[2] = kNpadZ*0.5*fgkZPad;
1228 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1229 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1231 Translation(posLocal,step);
1233 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1235 Double_t angles[6] = {0.,0.,0.,0.,0.,0.};
1236 if (GetAngles(iplate,istrip) >0.) {
1239 angles[2] = 90.+GetAngles(iplate,istrip);
1241 angles[4] = GetAngles(iplate,istrip);
1244 else if (GetAngles(iplate,istrip)==0.) {
1252 else if (GetAngles(iplate,istrip) <0.) {
1255 angles[2] = 90.+GetAngles(iplate,istrip);
1257 angles[4] =-GetAngles(iplate,istrip);
1261 InverseRotation(posLocal,angles);
1264 step[1] = -GetHeights(iplate,istrip);
1265 step[2] = GetDistances(iplate,istrip);
1266 Translation(posLocal,step);
1268 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1276 InverseRotation(posLocal,angles);
1278 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1281 step[2] = -((fgkRmax+fgkRmin)*0.5);
1282 Translation(posLocal,step);
1285 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1289 angles[5] = (isector+0.5)*fgkPhiSec;
1291 InverseRotation(posLocal,angles);
1293 Float_t yCoor = posLocal[1];
1299 //_____________________________________________________________________________
1300 Float_t AliTOFGeometry::GetZ(const Int_t * det)
1303 // Returns Z coordinate (cm)
1306 Int_t isector = det[0];
1307 Int_t iplate = det[1];
1308 Int_t istrip = det[2];
1309 Int_t ipadz = det[3];
1310 Int_t ipadx = det[4];
1313 Float_t zCoor = GetDistances(iplate,istrip) +
1314 (0.5-ipadz) * fgkZPad * TMath::Cos(GetAngles(iplate,istrip)*kDegrad);
1317 // Pad reference frame -> FSTR reference frame
1318 Float_t posLocal[3] = {0., 0., 0.};
1319 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1320 Translation(posLocal,step);
1322 step[0] = kNpadX*0.5*fgkXPad;
1324 step[2] = kNpadZ*0.5*fgkZPad;
1326 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1327 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1329 Translation(posLocal,step);
1331 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1332 Double_t angles[6] = {0.,0.,0.,0.,0.,0.};
1333 if (GetAngles(iplate,istrip) >0.) {
1336 angles[2] = 90.+GetAngles(iplate,istrip);
1338 angles[4] = GetAngles(iplate,istrip);
1341 else if (GetAngles(iplate,istrip)==0.) {
1349 else if (GetAngles(iplate,istrip) <0.) {
1352 angles[2] = 90.+GetAngles(iplate,istrip);
1354 angles[4] =-GetAngles(iplate,istrip);
1358 InverseRotation(posLocal,angles);
1361 step[1] = -GetHeights(iplate,istrip);
1362 step[2] = GetDistances(iplate,istrip);
1363 Translation(posLocal,step);
1365 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1373 InverseRotation(posLocal,angles);
1375 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1378 step[2] = -((fgkRmax+fgkRmin)*0.5);
1379 Translation(posLocal,step);
1382 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1386 angles[5] = (isector+0.5)*fgkPhiSec;
1388 InverseRotation(posLocal,angles);
1390 Float_t zCoor = posLocal[2];
1395 //_____________________________________________________________________________
1397 void AliTOFGeometry::DetToSectorRF(Int_t vol[5], Double_t coord[4][3])
1400 // Returns the local coordinates (x, y, z) in sector reference frame
1401 // for the 4 corners of each sector pad (vol[1], vol[2], vol[3], vol[4])
1404 if (!gGeoManager) printf("ERROR: no TGeo\n");
1406 // ALICE -> TOF Sector
1408 GetVolumePath(vol[0],path1);
1409 gGeoManager->cd(path1);
1410 TGeoHMatrix aliceToSector;
1411 aliceToSector = *gGeoManager->GetCurrentMatrix();
1413 // TOF Sector -> ALICE
1414 //TGeoHMatrix sectorToALICE = aliceToSector.Inverse();
1418 GetVolumePath(vol,path2);
1419 gGeoManager->cd(path2);
1420 TGeoHMatrix aliceToPad;
1421 aliceToPad = *gGeoManager->GetCurrentMatrix();
1424 TGeoHMatrix padToALICE = aliceToPad.Inverse();
1426 // TOF Pad -> TOF Sector
1427 TGeoHMatrix padToSector = padToALICE*aliceToSector;
1429 // TOF Sector -> TOF Pad
1430 //TGeoHMatrix sectorToPad = sectorToALICE*aliceToPad;
1432 // coordinates of the pad bottom corner
1433 Double_t **cornerPad = new Double_t*[4];
1434 for (Int_t ii=0; ii<4; ii++) cornerPad[ii] = new Double_t[3];
1436 cornerPad[0][0] = -fgkXPad/2.;
1437 cornerPad[0][1] = 0.;
1438 cornerPad[0][2] = -fgkZPad/2.;
1440 cornerPad[1][0] = fgkXPad/2.;
1441 cornerPad[1][1] = 0.;
1442 cornerPad[1][2] = -fgkZPad/2.;
1444 cornerPad[2][0] = fgkXPad/2.;
1445 cornerPad[2][1] = 0.;
1446 cornerPad[2][2] = fgkZPad/2.;
1448 cornerPad[3][0] = -fgkXPad/2.;
1449 cornerPad[3][1] = 0.;
1450 cornerPad[3][2] = fgkZPad/2.;
1452 for(Int_t aa=0; aa<4; aa++) for(Int_t bb=0; bb<3; bb++) coord[aa][bb]=0.;
1454 for (Int_t jj=0; jj<4; jj++) padToSector.MasterToLocal(&cornerPad[jj][0], &coord[jj][0]);
1456 delete [] cornerPad;
1458 //sectorToPad.LocalToMaster(cornerPad, coord);
1461 //_____________________________________________________________________________
1462 Float_t AliTOFGeometry::GetPadDx(const Float_t * pos)
1465 // Returns the x coordinate in the Pad reference frame
1470 Float_t posLocal[3];
1471 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1473 Int_t isector = GetSector(posLocal);
1475 //AliError("Detector Index could not be determined");
1477 Int_t iplate = GetPlate(posLocal);
1479 //AliError("Detector Index could not be determined");
1481 Int_t istrip = GetStrip(posLocal);
1483 //AliError("Detector Index could not be determined");
1485 Int_t ipadz = GetPadZ(posLocal);
1487 //AliError("Detector Index could not be determined");
1489 Int_t ipadx = GetPadX(posLocal);
1491 //AliError("Detector Index could not be determined");
1494 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1495 Double_t angles[6] =
1496 {90., 90.+(isector+0.5)*fgkPhiSec,
1498 90., (isector+0.5)*fgkPhiSec
1500 Rotation(posLocal,angles);
1502 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1503 Translation(posLocal,step);
1505 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1513 Rotation(posLocal,angles);
1515 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1517 step[1] = GetHeights(iplate,istrip);
1518 step[2] = -GetDistances(iplate,istrip);
1519 Translation(posLocal,step);
1521 if (GetAngles(iplate,istrip) >0.) {
1524 angles[2] = 90.+GetAngles(iplate,istrip);
1526 angles[4] = GetAngles(iplate,istrip);
1529 else if (GetAngles(iplate,istrip)==0.) {
1537 else if (GetAngles(iplate,istrip) <0.) {
1540 angles[2] = 90.+GetAngles(iplate,istrip);
1542 angles[4] =-GetAngles(iplate,istrip);
1545 Rotation(posLocal,angles);
1547 step[0] =-0.5*kNpadX*fgkXPad;
1549 step[2] =-0.5*kNpadZ*fgkZPad;
1550 Translation(posLocal,step);
1552 step[0] = (ipadx+0.5)*fgkXPad;
1554 step[2] = (ipadz+0.5)*fgkZPad;
1555 Translation(posLocal,step);
1562 //_____________________________________________________________________________
1563 Float_t AliTOFGeometry::GetPadDy(const Float_t * pos)
1566 // Returns the y coordinate in the Pad reference frame
1571 Float_t posLocal[3];
1572 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1574 Int_t isector = GetSector(posLocal);
1576 //AliError("Detector Index could not be determined");
1578 Int_t iplate = GetPlate(posLocal);
1580 //AliError("Detector Index could not be determined");
1582 Int_t istrip = GetStrip(posLocal);
1584 //AliError("Detector Index could not be determined");
1586 Int_t ipadz = GetPadZ(posLocal);
1588 //AliError("Detector Index could not be determined");
1590 Int_t ipadx = GetPadX(posLocal);
1592 //AliError("Detector Index could not be determined");
1595 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1596 Double_t angles[6] =
1597 {90., 90.+(isector+0.5)*fgkPhiSec,
1599 90., (isector+0.5)*fgkPhiSec
1601 Rotation(posLocal,angles);
1603 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1604 Translation(posLocal,step);
1606 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1614 Rotation(posLocal,angles);
1616 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1618 step[1] = GetHeights(iplate,istrip);
1619 step[2] = -GetDistances(iplate,istrip);
1620 Translation(posLocal,step);
1622 if (GetAngles(iplate,istrip) >0.) {
1625 angles[2] = 90.+GetAngles(iplate,istrip);
1627 angles[4] = GetAngles(iplate,istrip);
1630 else if (GetAngles(iplate,istrip)==0.) {
1638 else if (GetAngles(iplate,istrip) <0.) {
1641 angles[2] = 90.+GetAngles(iplate,istrip);
1643 angles[4] =-GetAngles(iplate,istrip);
1646 Rotation(posLocal,angles);
1648 step[0] =-0.5*kNpadX*fgkXPad;
1650 step[2] =-0.5*kNpadZ*fgkZPad;
1651 Translation(posLocal,step);
1653 step[0] = (ipadx+0.5)*fgkXPad;
1655 step[2] = (ipadz+0.5)*fgkZPad;
1656 Translation(posLocal,step);
1663 //_____________________________________________________________________________
1664 Float_t AliTOFGeometry::GetPadDz(const Float_t * pos)
1667 // Returns the z coordinate in the Pad reference frame
1672 Float_t posLocal[3];
1673 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1675 Int_t isector = GetSector(posLocal);
1677 //AliError("Detector Index could not be determined");
1679 Int_t iplate = GetPlate(posLocal);
1681 //AliError("Detector Index could not be determined");
1683 Int_t istrip = GetStrip(posLocal);
1685 //AliError("Detector Index could not be determined");
1687 Int_t ipadz = GetPadZ(posLocal);
1689 //AliError("Detector Index could not be determined");
1691 Int_t ipadx = GetPadX(posLocal);
1693 //AliError("Detector Index could not be determined");
1696 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1697 Double_t angles[6] =
1698 {90., 90.+(isector+0.5)*fgkPhiSec,
1700 90., (isector+0.5)*fgkPhiSec
1702 Rotation(posLocal,angles);
1704 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1705 Translation(posLocal,step);
1707 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1715 Rotation(posLocal,angles);
1717 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1719 step[1] = GetHeights(iplate,istrip);
1720 step[2] = -GetDistances(iplate,istrip);
1721 Translation(posLocal,step);
1723 if (GetAngles(iplate,istrip) >0.) {
1726 angles[2] = 90.+GetAngles(iplate,istrip);
1728 angles[4] = GetAngles(iplate,istrip);
1731 else if (GetAngles(iplate,istrip)==0.) {
1739 else if (GetAngles(iplate,istrip) <0.) {
1742 angles[2] = 90.+GetAngles(iplate,istrip);
1744 angles[4] =-GetAngles(iplate,istrip);
1747 Rotation(posLocal,angles);
1749 step[0] =-0.5*kNpadX*fgkXPad;
1751 step[2] =-0.5*kNpadZ*fgkZPad;
1752 Translation(posLocal,step);
1754 step[0] = (ipadx+0.5)*fgkXPad;
1756 step[2] = (ipadz+0.5)*fgkZPad;
1757 Translation(posLocal,step);
1764 //_____________________________________________________________________________
1766 void AliTOFGeometry::Translation(Float_t *xyz, Float_t translationVector[3])
1769 // Return the vector xyz translated by translationVector vector
1774 for (ii=0; ii<3; ii++)
1775 xyz[ii] -= translationVector[ii];
1780 //_____________________________________________________________________________
1782 void AliTOFGeometry::Rotation(Float_t *xyz, Double_t rotationAngles[6])
1785 // Return the vector xyz rotated according to the rotationAngles angles
1790 TRotMatrix *matrix = new TRotMatrix("matrix","matrix", angles[0], angles[1],
1791 angles[2], angles[3],
1792 angles[4], angles[5]);
1795 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1797 Float_t xyzDummy[3] = {0., 0., 0.};
1799 for (ii=0; ii<3; ii++) {
1801 xyz[0]*TMath::Sin(rotationAngles[2*ii])*TMath::Cos(rotationAngles[2*ii+1]) +
1802 xyz[1]*TMath::Sin(rotationAngles[2*ii])*TMath::Sin(rotationAngles[2*ii+1]) +
1803 xyz[2]*TMath::Cos(rotationAngles[2*ii]);
1806 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1811 //_____________________________________________________________________________
1812 void AliTOFGeometry::InverseRotation(Float_t *xyz, Double_t rotationAngles[6])
1815 // Rotates the vector xyz acordint to the rotationAngles
1820 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1822 Float_t xyzDummy[3] = {0., 0., 0.};
1825 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Cos(rotationAngles[1]) +
1826 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Cos(rotationAngles[3]) +
1827 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Cos(rotationAngles[5]);
1830 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Sin(rotationAngles[1]) +
1831 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Sin(rotationAngles[3]) +
1832 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Sin(rotationAngles[5]);
1835 xyz[0]*TMath::Cos(rotationAngles[0]) +
1836 xyz[1]*TMath::Cos(rotationAngles[2]) +
1837 xyz[2]*TMath::Cos(rotationAngles[4]);
1839 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1844 //_____________________________________________________________________________
1846 Int_t AliTOFGeometry::GetIndex(const Int_t * detId)
1848 //Retrieve calibration channel index
1849 Int_t isector = detId[0];
1850 if (isector >= kNSectors){
1851 printf("Wrong sector number in TOF (%d) !\n",isector);
1854 Int_t iplate = detId[1];
1855 if (iplate >= kNPlates){
1856 printf("Wrong plate number in TOF (%d) !\n",iplate);
1859 Int_t istrip = detId[2];
1860 Int_t stripOffset = GetStripNumberPerSM(iplate,istrip);
1861 if (stripOffset==-1) {
1862 printf("Wrong strip number per SM in TOF (%d) !\n",stripOffset);
1866 Int_t ipadz = detId[3];
1867 Int_t ipadx = detId[4];
1869 Int_t idet = ((2*(kNStripC+kNStripB)+kNStripA)*kNpadZ*kNpadX)*isector +
1870 (stripOffset*kNpadZ*kNpadX)+
1875 //_____________________________________________________________________________
1877 void AliTOFGeometry::GetVolumeIndices(Int_t index, Int_t *detId)
1880 // Retrieve volume indices from the calibration channel index
1883 detId[0] = index/NpadXStrip()/NStripXSector();
1885 Int_t dummyStripPerModule =
1886 ( index - ( NStripXSector()*NpadXStrip()*detId[0]) ) / NpadXStrip();
1887 if (dummyStripPerModule<kNStripC) {
1889 detId[2] = dummyStripPerModule;
1891 else if (dummyStripPerModule>=kNStripC && dummyStripPerModule<kNStripC+kNStripB) {
1893 detId[2] = dummyStripPerModule-kNStripC;
1895 else if (dummyStripPerModule>=kNStripC+kNStripB && dummyStripPerModule<kNStripC+kNStripB+kNStripA) {
1897 detId[2] = dummyStripPerModule-kNStripC-kNStripB;
1899 else if (dummyStripPerModule>=kNStripC+kNStripB+kNStripA && dummyStripPerModule<kNStripC+kNStripB+kNStripA+kNStripB) {
1901 detId[2] = dummyStripPerModule-kNStripC-kNStripB-kNStripA;
1903 else if (dummyStripPerModule>=kNStripC+kNStripB+kNStripA+kNStripB && dummyStripPerModule<NStripXSector()) {
1905 detId[2] = dummyStripPerModule-kNStripC-kNStripB-kNStripA-kNStripB;
1908 Int_t padPerStrip = ( index - ( NStripXSector()*NpadXStrip()*detId[0]) ) - dummyStripPerModule*NpadXStrip();
1910 detId[3] = padPerStrip / kNpadX; // padZ
1911 detId[4] = padPerStrip - detId[3]*kNpadX; // padX
1914 //_____________________________________________________________________________
1916 Int_t AliTOFGeometry::NStrip(Int_t nPlate)
1919 // Returns the strips number for the plate number 'nPlate'
1922 Int_t nStrips = kNStripC;
1942 //-------------------------------------------------------------------------
1944 UShort_t AliTOFGeometry::GetAliSensVolIndex(Int_t isector, Int_t iplate, Int_t istrip)
1947 // Get the index of the TOF alignable volume in the AliGeomManager order.
1950 Int_t index = GetStripNumber(isector, iplate, istrip);
1952 UShort_t volIndex = AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,index);
1957 //-------------------------------------------------------------------------
1959 Int_t AliTOFGeometry::GetStripNumber(Int_t isector, Int_t iplate, Int_t istrip)
1962 // Get the serial number of the TOF strip number istrip [0,14/18],
1963 // in the module number iplate [0,4],
1964 // in the TOF SM number isector [0,17].
1965 // This number will range in [0,1637].
1968 Bool_t check = (isector >= kNSectors);
1971 printf("E-AliTOFGeometry::GetStripNumber: Wrong sector number in TOF (%d)!\n",isector);
1974 Int_t stripInSM = GetStripNumberPerSM(iplate, istrip);
1975 if (!check && stripInSM!=-1)
1976 index = (2*(kNStripC+kNStripB)+kNStripA)*isector + stripInSM;
1981 //-------------------------------------------------------------------------
1983 void AliTOFGeometry::GetStripAndModule(Int_t iStripPerSM, Int_t &iplate, Int_t &istrip)
1986 // Convert the serial number of the TOF strip number iStripPerSM [0,90]
1987 // in module number iplate [0,4] and strip number istrip [0,14/18].
1990 if (iStripPerSM<0 || iStripPerSM>=kNStripC+kNStripB+kNStripA+kNStripB+kNStripC) {
1994 else if (iStripPerSM<kNStripC) {
1996 istrip = iStripPerSM;
1998 else if (iStripPerSM>=kNStripC && iStripPerSM<kNStripC+kNStripB) {
2000 istrip = iStripPerSM-kNStripC;
2002 else if (iStripPerSM>=kNStripC+kNStripB && iStripPerSM<kNStripC+kNStripB+kNStripA) {
2004 istrip = iStripPerSM-kNStripC-kNStripB;
2006 else if (iStripPerSM>=kNStripC+kNStripB+kNStripA && iStripPerSM<kNStripC+kNStripB+kNStripA+kNStripB) {
2008 istrip = iStripPerSM-kNStripC-kNStripB-kNStripA;
2010 else if (iStripPerSM>=kNStripC+kNStripB+kNStripA+kNStripB && iStripPerSM<kNStripC+kNStripB+kNStripA+kNStripB+kNStripC) {
2012 istrip = iStripPerSM-kNStripC-kNStripB-kNStripA-kNStripB;
2017 //-------------------------------------------------------------------------
2019 Int_t AliTOFGeometry::GetStripNumberPerSM(Int_t iplate, Int_t istrip)
2022 // Get the serial number of the TOF strip number istrip [0,14/18],
2023 // in the module number iplate [0,4].
2024 // This number will range in [0,90].
2030 (iplate<0 || iplate>=kNPlates)
2033 (iplate==2 && (istrip<0 || istrip>=kNStripA))
2035 (iplate!=2 && (istrip<0 || istrip>=kNStripC))
2039 if (iplate<0 || iplate>=kNPlates)
2040 printf("E-AliTOFGeometry::GetStripNumberPerSM: Wrong plate number in TOF (%1d)!\n",iplate);
2043 (iplate==2 && (istrip<0 || istrip>=kNStripA))
2045 (iplate!=2 && (istrip<0 || istrip>=kNStripC))
2047 printf("E-AliTOFGeometry::GetStripNumberPerSM: Wrong strip number in TOF "
2048 "(strip=%2d in the plate=%1d)!\n",istrip,iplate);
2050 Int_t stripOffset = 0;
2056 stripOffset = kNStripC;
2059 stripOffset = kNStripC+kNStripB;
2062 stripOffset = kNStripC+kNStripB+kNStripA;
2065 stripOffset = kNStripC+kNStripB+kNStripA+kNStripB;
2069 if (!check) index = stripOffset + istrip;
2074 //-------------------------------------------------------------------------
2076 void AliTOFGeometry::PadRF2TrackingRF(Float_t *ctrackPos, Float_t *differenceT)
2079 // To convert the 3D distance ctrackPos, referred to the ALICE RF,
2080 // into the 3D distance differenceT, referred to the tracking RF
2081 // in case ctrakPos belongs to a TOF sensitive volume.
2084 for (Int_t ii=0; ii<3; ii++) differenceT[ii] = 999.;
2086 AliDebug(1,Form(" track position in ALICE global Ref. frame -> %f, %f, %f",
2087 ctrackPos[0],ctrackPos[1],ctrackPos[2]));
2089 Int_t detId[5] = {-1,-1,-1,-1,-1};
2091 detId[0] = GetSector(ctrackPos);
2093 AliWarning(Form("This point does not belong to any TOF sector"));
2097 detId[1] = GetPlate(ctrackPos);
2099 AliWarning(Form("This point does not belong to any TOF module"));
2103 detId[2] = GetStrip(ctrackPos);
2105 AliWarning(Form("This point does not belong to any TOF strip"));
2109 detId[3] = GetPadZ(ctrackPos);
2111 AliWarning(Form("This point does not belong to any TOF pad-row"));
2115 detId[4] = GetPadX(ctrackPos);
2117 AliWarning(Form("This point does not belong to any TOF pad"));
2122 UShort_t alignableStripIndex =
2123 GetAliSensVolIndex(detId[0],detId[1],detId[2]);
2124 AliDebug(1,Form(" sector = %2d, plate = %1d, strip = %2d (padZ = %1d, padX = %2d) "
2125 "---> stripIndex = %4d",
2126 detId[0], detId[1], detId[2], detId[3], detId[4], alignableStripIndex));
2128 // pad centre coordinates in the strip ref. frame
2129 Double_t padCentreL[3] = {(detId[4]-AliTOFGeometry::NpadX()/2)*AliTOFGeometry::XPad()
2130 +AliTOFGeometry::XPad()/2.,
2132 (detId[3]-AliTOFGeometry::NpadZ()/2)*AliTOFGeometry::XPad()
2133 +AliTOFGeometry::XPad()/2.};
2134 // pad centre coordinates in the strip tracking frame
2135 Double_t padCentreT[3] = {0., 0., 0.};
2136 TGeoHMatrix l2t = *AliGeomManager::GetTracking2LocalMatrix(alignableStripIndex);
2137 l2t.MasterToLocal(padCentreL,padCentreT);
2141 // pad centre coordinates in its ref. frame
2142 Double_t padCentreL2[3] = {0., 0., 0.};
2143 // pad centre coordinates in the ALICE global ref. frame
2144 Double_t padCentreG[3] = {0., 0., 0.};
2145 GetVolumePath(detId,path);
2146 gGeoManager->cd(path);
2147 TGeoHMatrix g2l = *gGeoManager->GetCurrentMatrix();
2148 TGeoHMatrix l2g = g2l.Inverse();
2149 l2g.MasterToLocal(padCentreL2,padCentreG);
2153 // strip centre coordinates in its ref. frame
2154 Double_t stripCentreL[3] = {0., 0., 0.};
2155 // strip centre coordinates in the ALICE global ref. frame
2156 Double_t stripCentreG[3] = {0., 0., 0.};
2157 GetVolumePath(detId[0],detId[1],detId[2],path2);
2158 gGeoManager->cd(path2);
2159 TGeoHMatrix g2lb = *gGeoManager->GetCurrentMatrix();
2160 TGeoHMatrix l2gb = g2lb.Inverse();
2161 l2gb.MasterToLocal(stripCentreL,stripCentreG);
2163 TGeoHMatrix g2t = 0;
2164 AliGeomManager::GetTrackingMatrix(alignableStripIndex, g2t);
2166 // track position in the ALICE global ref. frame
2168 for (Int_t ii=0; ii<3; ii++) posG[ii] = (Double_t)ctrackPos[ii];
2170 // strip centre coordinates in the tracking ref. frame
2171 Double_t stripCentreT[3] = {0., 0., 0.};
2172 // track position in the tracking ref. frame
2173 Double_t posT[3] = {0., 0., 0.};
2174 g2t.MasterToLocal(posG,posT);
2175 g2t.MasterToLocal(stripCentreG,stripCentreT);
2177 for (Int_t ii=0; ii<3; ii++)
2178 AliDebug(1,Form(" track position in ALICE global and tracking RFs -> posG[%d] = %f --- posT[%d] = %f",
2179 ii, posG[ii], ii, posT[ii]));
2180 for (Int_t ii=0; ii<3; ii++)
2181 AliDebug(1,Form(" pad centre coordinates in its, the ALICE global and tracking RFs -> "
2182 "padCentreL[%d] = %f --- padCentreG[%d] = %f --- padCentreT[%d] = %f",
2185 ii, padCentreT[ii]));
2186 for (Int_t ii=0; ii<3; ii++)
2187 AliDebug(1,Form(" strip centre coordinates in its, the ALICE global and tracking RFs -> "
2188 "stripCentreL[%d] = %f --- stripCentreG[%d] = %f --- stripCentreT[%d] = %f",
2189 ii, stripCentreL[ii],
2190 ii, stripCentreG[ii],
2191 ii, stripCentreT[ii]));
2192 for (Int_t ii=0; ii<3; ii++)
2193 AliDebug(1,Form(" difference between the track position and the pad centre in the tracking RF "
2194 "-> posT[%d]-padCentreT[%d] = %f",
2196 posT[ii]-padCentreT[ii]));
2198 for (Int_t ii=0; ii<3; ii++) differenceT[ii] = (Float_t)(posT[ii]-padCentreT[ii]);
2201 //-------------------------------------------------------------------------
2203 Int_t AliTOFGeometry::GetTOFsupermodule(Int_t index)
2205 // Return the TOF supermodule where TOF channel index is located
2207 if (index<0 || index>=NPadXSector()*NSectors()) return -1;
2208 else return index/NpadXStrip()/NStripXSector();