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Corrected a bug in kalman tracking (final parameters and covariances
[u/mrichter/AliRoot.git] / TOF / AliTOFGeometry.cxx
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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$Log$
24982ffc 18Revision 1.20 2007/10/08 17:52:55 decaro
19hole region in front of PHOS detector: update of sectors' numbers
20
3c5f55bc 21Revision 1.19 2007/10/04 14:05:09 zampolli
22AliTOFGeometryV5 becoming AliTOFGeometry
23
0ef21f59 24Revision 1.18 2007/02/19 18:55:26 decaro
25Added getter methods for volume path (for Event Display)
26
48e6af28 27Revision 1.17.1 2006/12/15
28 Added method DetToStripRF(...) to get
29 a pad corner coordinates in its strip reference frame
30 (A.De Caro, M.Di Stefano)
31Revision 1.17 2006/08/22 13:30:02 arcelli
32removal of effective c++ warnings (C.Zampolli)
33
655e379f 34Revision 1.16 2006/04/20 22:30:50 hristov
35Coding conventions (Annalisa)
36
0e46b9ae 37Revision 1.15 2006/04/16 22:29:05 hristov
38Coding conventions (Annalisa)
39
7aeeaf38 40Revision 1.14 2006/04/05 08:35:38 hristov
41Coding conventions (S.Arcelli, C.Zampolli)
42
340693af 43Revision 1.13 2006/03/12 14:37:54 arcelli
44 Changes for TOF Reconstruction using TGeo
45
c0545837 46Revision 1.12 2006/02/28 10:38:00 decaro
47AliTOFGeometry::fAngles, AliTOFGeometry::fHeights, AliTOFGeometry::fDistances arrays: dimension definition in the right location
48
4402e7cb 49Revision 1.11 2005/12/15 14:17:29 decaro
50Correction of some parameter values
51
6fbc8979 52Revision 1.10 2005/12/15 08:55:32 decaro
53New TOF geometry description (V5) -G. Cara Romeo and A. De Caro
54
d3c7bfac 55Revision 1.9.1 2005/07/19 A. De Caro
56 Created daughter-classes AliTOFGeometryV4 and AliTOFGeometryV5
57 => moved global methods IsInsideThePad, DistanceToPad,
58 GetPlate, GetSector, GetStrip, GetPadX, GetPadZ,
59 GetX, GetY, GetZ, GetPadDx, GetPadDy and GetPadDz
60 in daughter-classes
61
62Revision 1.9 2005/10/20 12:41:35 hristov
63Implementation of parallel tracking. It is not the default version, one can use it passing option MI from AliReconstruction to TOF (M.Ivanov)
64
d88fbf15 65Revision 1.8 2004/11/29 08:28:01 decaro
66Introduction of a new TOF constant (i.e. TDC bin width)
67
43f77f2d 68Revision 1.7 2004/11/05 07:20:08 decaro
69TOF library splitting and conversion of some printout messages in AliLog schema (T.Kuhr)
70
d076c8d5 71Revision 1.6 2004/06/15 15:27:59 decaro
72TOF raw data: preliminary implementation and style changes
73
7e6dce66 74Revision 1.5 2004/04/20 14:37:22 hristov
75Using TMath::Abs instead of fabs, arrays of variable size created/deleted correctly (HP,Sun)
76
9b49e4c9 77Revision 1.4 2004/04/13 09:42:51 decaro
78Track reconstruction code for TOF: updating
79
74ea065c 80Revision 1.3 2003/12/29 18:40:39 hristov
81Copy/paste error corrected
82
fb9747d4 83Revision 1.2 2003/12/29 17:26:01 hristov
84Using enum to initaialize static ints in the header file, the initialization of static floats moved to the implementation file
85
58eb5b61 86Revision 1.1 2003/12/29 15:18:03 decaro
87TOF geometry updating (addition of AliTOFGeometry)
88
7e6dce66 89Revision 0.05 2004/6/11 A.De Caro
90 Implement Global method NpadXStrip
91 Insert four float constants (originally in AliTOF class)
92Revision 0.04 2004/4/05 S.Arcelli
74ea065c 93 Implement Global methods IsInsideThePad
94 DistanceToPad
7e6dce66 95Revision 0.03 2003/12/14 S.Arcelli
96 Set Phi range [-180,180]->[0,360]
97Revision 0.02 2003/12/10 S.Arcelli:
98 Implement Global methods GetPos & GetDetID
99Revision 0.01 2003/12/04 S.Arcelli
0f4a7374 100*/
101
0f4a7374 102///////////////////////////////////////////////////////////////////////////////
103// //
104// TOF Geometry class //
105// //
106///////////////////////////////////////////////////////////////////////////////
107
0ef21f59 108#include "TGeoManager.h"
0f4a7374 109#include "AliTOFGeometry.h"
0ef21f59 110#include "AliLog.h"
111#include "AliConst.h"
112
113extern TGeoManager *gGeoManager;
0f4a7374 114
115ClassImp(AliTOFGeometry)
116
0ef21f59 117const Float_t AliTOFGeometry::fgkZlenA = 370.6*2.; // length (cm) of the A module
118const Float_t AliTOFGeometry::fgkZlenB = 146.5; // length (cm) of the B module
119const Float_t AliTOFGeometry::fgkZlenC = 170.45; // length (cm) of the C module
120const Float_t AliTOFGeometry::fgkMaxhZtof = 370.6; // Max half z-size of TOF (cm)
121
122const Float_t AliTOFGeometry::fgkxTOF = 371.-0.01;// Inner radius of the TOF for Reconstruction (cm)
123const Float_t AliTOFGeometry::fgkRmin = 370.-0.01;// Inner radius of the TOF (cm)
124const Float_t AliTOFGeometry::fgkRmax = 399.-0.01;// Outer radius of the TOF (cm)
58eb5b61 125
0ef21f59 126const Int_t AliTOFGeometry::fgkTimeDiff = 25000; // Min signal separation (ps)
7e6dce66 127const Float_t AliTOFGeometry::fgkXPad = 2.5; // Pad size in the x direction (cm)
128const Float_t AliTOFGeometry::fgkZPad = 3.5; // Pad size in the z direction (cm)
58eb5b61 129
4402e7cb 130const Float_t AliTOFGeometry::fgkStripLength = 122.;// Strip Length (rho X phi direction) (cm)
131
d3c7bfac 132const Float_t AliTOFGeometry::fgkSigmaForTail1= 2.; //Sig1 for simulation of TDC tails
fb9747d4 133const Float_t AliTOFGeometry::fgkSigmaForTail2= 0.5;//Sig2 for simulation of TDC tails
58eb5b61 134
0ef21f59 135const Float_t AliTOFGeometry::fgkPhiSec= 20;//sector Phi width (deg)
136
48e6af28 137const Float_t AliTOFGeometry::fgkTdcBin = 24.4; // time-of-flight bin width [ps]
138const Float_t AliTOFGeometry::fgkToTBin = 48.8; // time-over-threshold bin width [ps]
43f77f2d 139
0ef21f59 140const Float_t AliTOFGeometry::fgkAngles[kNPlates][kMaxNstrip] ={
141 { 43.99, 43.20, 42.40, 41.59, 40.77, 39.94, 39.11, 38.25, 37.40, 36.53,
142 35.65, 34.76, 33.87, 32.96, 32.05, 31.13, 30.19, 29.24, 12.33, 0.00},
143
144 { 27.26, 26.28, 25.30, 24.31, 23.31, 22.31, 21.30, 20.29, 19.26, 18.24,
145 17.20, 16.16, 15.11, 14.05, 13.00, 11.93, 10.87, 9.80, 8.74, 0.00},
146
147 { 0.00, 6.30, 5.31, 4.25, 3.19, 2.12, 1.06, 0.00, -1.06, -2.12,
148 -3.19, -4.25, -5.31, -6.30, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00},
149
150 { -8.74, -9.80, -10.87, -11.93, -13.00, -14.05, -15.11, -16.16, -17.20, -18.24,
151 -19.26, -20.29, -21.30, -22.31, -23.31, -24.31, -25.30, -26.28, -27.26, 0.00},
152
153 {-12.33, -29.24, -30.19, -31.13, -32.05, -32.96, -33.87, -34.76, -35.65, -36.53,
154 -37.40, -38.25, -39.11, -39.94, -40.77, -41.59, -42.40, -43.20, -43.99, 0.00}
155 };
156const Float_t AliTOFGeometry::fgkHeights[kNPlates][kMaxNstrip]= {
157 {-8.2, -7.5, -8.2, -7.7, -8.1, -7.6, -7.7, -7.7, -7.7, -7.7,
158 -7.5, -7.2, -7.3, -7.5, -7.6, -7.8, -8.3, -9.3, -3.1, 0.0},
159
160 {-7.9, -8.1, -8.5, -9.0, -10.1, -3.9, -5.9, -7.7, -10.1, -3.6,
161 -5.8, -8.0, -10.4, -4.4, -7.2, -10.2, -4.6, -7.4, -10.4, 0.0},
162
163 {-2.5, -10.4, -5.0, -9.9, -4.8, -9.9, -4.7, -10.2, -4.7, -9.9,
164 -4.8, -9.9, -5.0, -10.4, -2.5, 0.0, 0.0, 0.0, 0.0, 0.0},
165
166 {-10.4, -7.4, -4.6, -10.2, -7.2, -4.4, -10.4, -8.0, -5.8, -3.6,
167 -10.1, -7.7, -5.9, -3.9, -10.1, -9.0, -8.5, -8.1, -7.9, 0.0},
168
169 { -3.1, -9.3, -8.3, -7.8, -7.6, -7.5, -7.3, -7.2, -7.5, -7.7,
170 -7.7, -7.7, -7.7, -7.6, -8.1, -7.7, -8.2, -7.5, -8.2, 0.0}
171 };
172
173
174const Float_t AliTOFGeometry::fgkDistances[kNPlates][kMaxNstrip]= {
175 { 364.1, 354.9, 344.5, 335.4, 325.5, 316.6, 307.2, 298.0, 288.9, 280.0,
176 271.3, 262.7, 254.0, 244.8, 236.1, 227.7, 219.1, 210.3, 205.7, 0.0},
177
178 { 194.2, 186.1, 177.9, 169.8, 161.5, 156.3, 147.8, 139.4, 130.9, 125.6,
179 117.3, 109.2, 101.1, 95.3, 87.1, 79.2, 73.0, 65.1, 57.6, 0.0},
180
181 { 49.5, 41.3, 35.3, 27.8, 21.2, 13.9, 7.0, 0.0, -7.0, -13.9,
182 -21.2, -27.8, -35.3, -41.3, -49.5, 0.0, 0.0, 0.0, 0.0, 0.0},
183
184 { -57.6, -65.1, -73.0, -79.2, -87.1, -95.3, -101.1, -109.2, -117.3, -125.6,
185 -130.9, -139.4, -147.8, -156.3, -161.5, -169.8, -177.9, -186.1, -194.2, 0.0},
186
187 {-205.7, -210.3, -219.1, -227.7, -236.1, -244.8, -254.0, -262.7, -271.3, -280.0,
188 -288.9, -298.0, -307.2, -316.6, -325.5, -335.4, -344.5, -354.9, -364.1, 0.0}
189 };
0f4a7374 190//_____________________________________________________________________________
655e379f 191AliTOFGeometry::AliTOFGeometry():
24982ffc 192 fHoles(1)
0f4a7374 193{
194 //
195 // AliTOFGeometry default constructor
196 //
0f4a7374 197
198}
199
200//_____________________________________________________________________________
201AliTOFGeometry::~AliTOFGeometry()
202{
203 //
204 // AliTOFGeometry destructor
205 //
0f4a7374 206}
207//_____________________________________________________________________________
0ef21f59 208void AliTOFGeometry::ImportGeometry(){
209 TGeoManager::Import("geometry.root");
0f4a7374 210}
0f4a7374 211//_____________________________________________________________________________
7aeeaf38 212void AliTOFGeometry::GetPosPar(Int_t *det, Float_t *pos) const
0f4a7374 213{
214//
215// Returns space point coor (x,y,z) (cm) for Detector
216// Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
217//
218
219 pos[0]=GetX(det);
220 pos[1]=GetY(det);
221 pos[2]=GetZ(det);
222
223}
224//_____________________________________________________________________________
7aeeaf38 225void AliTOFGeometry::GetDetID( Float_t *pos, Int_t *det) const
0f4a7374 226{
227 //
228 // Returns Detector Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
229 // space point coor (x,y,z) (cm)
230
231
232 det[0]=GetSector(pos);
233 det[1]=GetPlate(pos);
234 det[2]=GetStrip(pos);
235 det[3]=GetPadZ(pos);
236 det[4]=GetPadX(pos);
237
238}
239//_____________________________________________________________________________
48e6af28 240
241void AliTOFGeometry::DetToStripRF(Int_t nPadX, Int_t nPadZ, Float_t &x, Float_t &z) const
242{
243 //
244 // Returns the local coordinates (x, z) in strip reference frame
245 // for the bottom corner of the pad number (nPadX, nPadZ)
246 //
247 /*
248 const Float_t xCenterStrip = kNpadX * fgkXPad / 2.;
249 const Float_t zCenterStrip = kNpadZ * fgkZPad / 2.;
250
251 const Float_t xCenterPad = nPadX*fgkXPad + fgkXPad / 2.;
252 const Float_t zCenterPad = nPadZ*fgkZPad + fgkZPad / 2.;
253
254 x = xCenterPad - xCenterStrip;
255 z = zCenterPad - zCenterStrip;
256 */
257
258
259 x = (nPadX - kNpadX*0.5) * fgkXPad;
260 z = (nPadZ - kNpadZ*0.5) * fgkZPad;
261
262
263}
264//_____________________________________________________________________________
0ef21f59 265Float_t AliTOFGeometry::DistanceToPadPar(Int_t *det, Float_t *pos, Float_t *dist3d) const
266{
267//
268// Returns distance of space point with coor pos (x,y,z) (cm) wrt
269// pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
270//
271
272 //Transform pos into Sector Frame
273
274 Float_t x = pos[0];
275 Float_t y = pos[1];
276 Float_t z = pos[2];
277
278 Float_t radius = TMath::Sqrt(x*x+y*y);
279 //Float_t phi=TMath::ATan(y/x);
280 //if(phi<0) phi = k2PI+phi; //2.*TMath::Pi()+phi;
281 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
282 // Get the local angle in the sector philoc
283 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5)*fgkPhiSec;
284 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
285 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
286 Float_t zs = z;
287
288 // Do the same for the selected pad
289
290 Float_t g[3];
291 GetPosPar(det,g);
292
293 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
294 //Float_t padPhi = TMath::ATan(g[1]/g[0]);
295 //if(padPhi<0) padPhi = k2Pi + padPhi;
296 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
297
298 // Get the local angle in the sector philoc
299 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
300 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
301 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
302 Float_t padzs = g[2];
303
304 //Now move to local pad coordinate frame. Translate:
305
306 Float_t xt = xs-padxs;
307 Float_t yt = ys-padys;
308 Float_t zt = zs-padzs;
309 //Now Rotate:
310
311 Float_t alpha = GetAngles(det[1],det[2]);
312 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
313 Float_t yr = yt;
314 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
315
316 Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr);
317
318 if (dist3d){
319 dist3d[0] = xr;
320 dist3d[1] = yr;
321 dist3d[2] = zr;
322 }
323
324 return dist;
325
326}
327//_____________________________________________________________________________
328Bool_t AliTOFGeometry::IsInsideThePadPar(Int_t *det, Float_t *pos) const
329{
330//
331// Returns true if space point with coor pos (x,y,z) (cm) falls
332// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
333//
334
335 Bool_t isInside=false;
336
337 /*
338 const Float_t khhony = 1.0 ; // heigth of HONY Layer
339 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
340 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
341 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
342 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
343 //const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
344 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
345 //const Float_t kwstripz = kwcpcbz;
346 //const Float_t klstripx = fgkStripLength;
347 */
348
349 const Float_t kPadDepth = 0.5;//0.05;//0.11;//0.16;// // heigth of Sensitive Layer
350
351 //Transform pos into Sector Frame
352
353 Float_t x = pos[0];
354 Float_t y = pos[1];
355 Float_t z = pos[2];
356
357 Float_t radius = TMath::Sqrt(x*x+y*y);
358 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
359
360 // Get the local angle in the sector philoc
361 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5) *fgkPhiSec;
362 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
363 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
364 Float_t zs = z;
365
366 // Do the same for the selected pad
367
368 Float_t g[3];
369 GetPosPar(det,g);
370
371 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
372 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
373
374 // Get the local angle in the sector philoc
375 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
376 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
377 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
378 Float_t padzs = g[2];
379
380 //Now move to local pad coordinate frame. Translate:
381
382 Float_t xt = xs-padxs;
383 Float_t yt = ys-padys;
384 Float_t zt = zs-padzs;
385
386 //Now Rotate:
387
388 Float_t alpha = GetAngles(det[1],det[2]);
389 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
390 Float_t yr = yt;
391 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
392
393 if(TMath::Abs(xr)<=kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
394 isInside=true;
395 return isInside;
396
397}
398//_____________________________________________________________________________
399Bool_t AliTOFGeometry::IsInsideThePad(TGeoHMatrix mat, Float_t *pos, Float_t *dist3d) const
400{
401//
402// Returns true if space point with coor pos (x,y,z) (cm) falls
403// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
404//
405
406 const Float_t kPadDepth = 0.5; // heigth of Sensitive Layer
407 Double_t vecg[3];
408 vecg[0]=pos[0];
409 vecg[1]=pos[1];
410 vecg[2]=pos[2];
411 Double_t veclr[3]={-1.,-1.,-1.};
412 Double_t vecl[3]={-1.,-1.,-1.};
413 mat.MasterToLocal(vecg,veclr);
414 vecl[0]=veclr[1];
415 vecl[1]=veclr[0];
416 //take into account reflections
417 vecl[2]=-veclr[2];
418
419 Float_t xr = vecl[0];
420 Float_t yr = vecl[1];
421 Float_t zr = vecl[2];
422
423 if (dist3d){
424 dist3d[0] = vecl[0];
425 dist3d[1] = vecl[1];
426 dist3d[2] = vecl[2];
427 }
428
429 Bool_t isInside=false;
430 if(TMath::Abs(xr)<= kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
431 isInside=true;
432 return isInside;
433
434}
435//_____________________________________________________________________________
436void AliTOFGeometry::GetVolumePath(Int_t *ind, Char_t *path ) {
437 //--------------------------------------------------------------------
438 // This function returns the colume path of a given pad
439 //--------------------------------------------------------------------
440 Int_t sector = ind[0];
441 Char_t string1[100];
442 Char_t string2[100];
443 Char_t string3[100];
444
445 Int_t icopy=-1;
446 icopy=sector;
447
448 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
449
450 Int_t iplate=ind[1];
451 Int_t istrip=ind[2];
452 if( iplate==0) icopy=istrip;
453 if( iplate==1) icopy=istrip+NStripC();
454 if( iplate==2) icopy=istrip+NStripC()+NStripB();
455 if( iplate==3) icopy=istrip+NStripC()+NStripB()+NStripA();
456 if( iplate==4) icopy=istrip+NStripC()+2*NStripB()+NStripA();
457 icopy++;
458 sprintf(string2,"FTOA_0/FLTA_0/FSTR_%i",icopy);
3c5f55bc 459 if(fHoles && (sector==13 || sector==14 || sector==15)){
0ef21f59 460 if(iplate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
461 if(iplate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
462 }
463
464 Int_t padz = ind[3]+1;
465 Int_t padx = ind[4]+1;
466 sprintf(string3,"FPCB_1/FSEN_1/FSEZ_%i/FPAD_%i",padz,padx);
467 sprintf(path,"%s/%s/%s",string1,string2,string3);
468
469}
470//_____________________________________________________________________________
471void AliTOFGeometry::GetVolumePath(Int_t sector, Char_t *path ){
472 //--------------------------------------------------------------------
473 // This function returns the colume path of a given sector
474 //--------------------------------------------------------------------
475
476 Char_t string[100];
477
478 Int_t icopy = sector;
479
480 sprintf(string,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
481 sprintf(path,"%s",string);
482
483}
484//_____________________________________________________________________________
485void AliTOFGeometry::GetVolumePath(Int_t sector, Int_t plate, Int_t strip, Char_t *path ) {
486 //--------------------------------------------------------------------
487 // This function returns the colume path of a given strip
488 //--------------------------------------------------------------------
489
490 Char_t string1[100];
491 Char_t string2[100];
492 Char_t string3[100];
493
494 Int_t icopy = sector;
495
496 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
497
498 if(plate==0) icopy=strip;
499 if(plate==1) icopy=strip+NStripC();
500 if(plate==2) icopy=strip+NStripC()+NStripB();
501 if(plate==3) icopy=strip+NStripC()+NStripB()+NStripA();
502 if(plate==4) icopy=strip+NStripC()+2*NStripB()+NStripA();
503 icopy++;
504 sprintf(string2,"FTOA_0/FLTA_0/FSTR_%i",icopy);
3c5f55bc 505 if(fHoles && (sector==13 || sector==14 || sector==15)){
0ef21f59 506 if(plate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
507 if(plate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
508 }
509
510 sprintf(string3,"FPCB_1/FSEN_1");
511 sprintf(path,"%s/%s/%s",string1,string2,string3);
512
513}
514//_____________________________________________________________________________
515void AliTOFGeometry::GetPos(Int_t *det, Float_t *pos)
516{
517//
518// Returns space point coor (x,y,z) (cm) for Detector
519// Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
520//
521 Char_t path[100];
522 GetVolumePath(det,path );
523 if (!gGeoManager) {
524 printf("ERROR: no TGeo\n");
525 }
526 gGeoManager->cd(path);
527 TGeoHMatrix global;
528 global = *gGeoManager->GetCurrentMatrix();
529 const Double_t *tr = global.GetTranslation();
530
531 pos[0]=tr[0];
532 pos[1]=tr[1];
533 pos[2]=tr[2];
534}
535//_____________________________________________________________________________
536Int_t AliTOFGeometry::GetPlate(Float_t *pos) const
537{
538 //
539 // Returns the Plate index
540 //
541 const Float_t kInterCentrModBorder1 = 49.5;
542 const Float_t kInterCentrModBorder2 = 57.5;
543 const Float_t kExterInterModBorder1 = 196.0;
544 const Float_t kExterInterModBorder2 = 203.5;
545
546 const Float_t kLengthExInModBorder = 4.7;
547 const Float_t kLengthInCeModBorder = 7.0;
548
549 //const Float_t khAlWall = 0.1;
550 const Float_t kModuleWallThickness = 0.3;
551 //const Float_t kHoneycombLayerThickness = 1.5;
552
553 Int_t iPlate=-1;
554
555 Float_t posLocal[3];
556 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
557
558 Int_t isector = GetSector(posLocal);
559 if(isector == -1){
560 //AliError("Detector Index could not be determined");
561 return iPlate;
562 }
563
564 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
565 Double_t angles[6] =
566 {90., 90.+(isector+0.5)*fgkPhiSec,
567 0., 0.,
568 90., (isector+0.5)*fgkPhiSec
569 };
570 Rotation(posLocal,angles);
571
572 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
573 Translation(posLocal,step);
574
575 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
576 angles[0] = 90.;
577 angles[1] = 0.;
578 angles[2] = 0.;
579 angles[3] = 0.;
580 angles[4] = 90.;
581 angles[5] =270.;
582
583 Rotation(posLocal,angles);
584
585 Float_t yLocal = posLocal[1];
586 Float_t zLocal = posLocal[2];
587
588 Float_t deltaRhoLoc = (fgkRmax-fgkRmin)*0.5 - kModuleWallThickness + yLocal;
589 Float_t deltaZetaLoc = TMath::Abs(zLocal);
590
591 Float_t deltaRHOmax = 0.;
592
593 if (TMath::Abs(zLocal)>=kExterInterModBorder1 && TMath::Abs(zLocal)<=kExterInterModBorder2)
594 {
595 deltaRhoLoc -= kLengthExInModBorder;
596 deltaZetaLoc = kExterInterModBorder2-deltaZetaLoc;
597 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthExInModBorder; // old 5.35, new 4.8
598
599 if (deltaRhoLoc > deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) {
600 if (zLocal<0) iPlate = 0;
601 else iPlate = 4;
602 }
603 else {
604 if (zLocal<0) iPlate = 1;
605 else iPlate = 3;
606 }
607 }
608 else if (TMath::Abs(zLocal)>=kInterCentrModBorder1 && TMath::Abs(zLocal)<=kInterCentrModBorder2)
609 {
610 deltaRhoLoc -= kLengthInCeModBorder;
611 deltaZetaLoc = deltaZetaLoc-kInterCentrModBorder1;
612 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthInCeModBorder; // old 0.39, new 0.2
613
614 if (deltaRhoLoc>deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) iPlate = 2;
615 else {
616 if (zLocal<0) iPlate = 1;
617 else iPlate = 3;
618 }
619 }
620
621 if (zLocal>-fgkZlenA*0.5/*fgkMaxhZtof*/ && zLocal<-kExterInterModBorder2) iPlate = 0;
622 else if (zLocal>-kExterInterModBorder1 && zLocal<-kInterCentrModBorder2) iPlate = 1;
623 else if (zLocal>-kInterCentrModBorder1 && zLocal< kInterCentrModBorder1) iPlate = 2;
624 else if (zLocal> kInterCentrModBorder2 && zLocal< kExterInterModBorder1) iPlate = 3;
625 else if (zLocal> kExterInterModBorder2 && zLocal< fgkZlenA*0.5/*fgkMaxhZtof*/) iPlate = 4;
626
627 return iPlate;
628
629}
630
631//_____________________________________________________________________________
632Int_t AliTOFGeometry::GetSector(Float_t *pos) const
633{
634 //
635 // Returns the Sector index
636 //
637
638 //const Float_t khAlWall = 0.1;
639 //const Float_t kModuleWallThickness = 0.3;
640
641 Int_t iSect = -1;
642
643 Float_t x = pos[0];
644 Float_t y = pos[1];
645 Float_t z = pos[2];
646
647 Float_t rho = TMath::Sqrt(x*x + y*y);
648
649 //if (!((z>=-fgkMaxhZtof && z<=fgkMaxhZtof) &&
650 if (!((z>=-fgkZlenA*0.5 && z<=fgkZlenA*0.5) &&
651 (rho>=(fgkRmin) && rho<=(fgkRmax)))) {
652 //(rho>=(fgkRmin-0.05)+kModuleWallThickness && rho<=(fgkRmax-0.05)-kModuleWallThickness-khAlWall-kModuleWallThickness))) {
653 //AliError("Detector Index could not be determined");
654 return iSect;
655 }
656
657 Float_t phi = TMath::Pi() + TMath::ATan2(-y,-x);
658
659 iSect = (Int_t) (phi*kRaddeg/fgkPhiSec);
660
661 return iSect;
662
663}
664//_____________________________________________________________________________
665Int_t AliTOFGeometry::GetStrip(Float_t *pos) const
666{
667 //
668 // Returns the Strip index
669 //
670 const Float_t khhony = 1.0 ; // heigth of HONY Layer
671 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
672 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
673 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
674 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
675 const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
676 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
677 const Float_t kwstripz = kwcpcbz;
678 const Float_t klstripx = fgkStripLength;
679
680 Int_t iStrip=-1;
681
682 Float_t posLocal[3];
683 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
684
685 Int_t isector = GetSector(posLocal);
686 if(isector == -1){
687 //AliError("Detector Index could not be determined");
688 return iStrip;}
689 Int_t iplate = GetPlate(posLocal);
690 if(iplate == -1){
691 //AliError("Detector Index could not be determined");
692 return iStrip;}
693
694 Int_t nstrips=0;
695 switch (iplate) {
696 case 0:
697 nstrips=kNStripC;
698 break;
699 case 4:
700 nstrips=kNStripC;
701 break;
702 case 1:
703 nstrips=kNStripB;
704 break;
705 case 3:
706 nstrips=kNStripB;
707 break;
708 case 2:
709 nstrips=kNStripA;
710 break;
711 }
712
713 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
714 Double_t angles[6] =
715 {90., 90.+(isector+0.5)*fgkPhiSec,
716 0., 0.,
717 90., (isector+0.5)*fgkPhiSec
718 };
719 Rotation(posLocal,angles);
720
721 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
722 Translation(posLocal,step);
723
724 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
725 angles[0] = 90.;
726 angles[1] = 0.;
727 angles[2] = 0.;
728 angles[3] = 0.;
729 angles[4] = 90.;
730 angles[5] =270.;
731
732 Rotation(posLocal,angles);
733
734 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
735 Int_t totStrip=0;
736 for (Int_t istrip=0; istrip<nstrips; istrip++){
737
738 Float_t posLoc2[3]={posLocal[0],posLocal[1],posLocal[2]};
739
740 step[0] = 0.;
741 step[1] = GetHeights(iplate,istrip);
742 step[2] = -GetDistances(iplate,istrip);
743 Translation(posLoc2,step);
744
745 if (GetAngles(iplate,istrip) >0.) {
746 angles[0] = 90.;
747 angles[1] = 0.;
748 angles[2] = 90.+GetAngles(iplate,istrip);
749 angles[3] = 90.;
750 angles[4] = GetAngles(iplate,istrip);
751 angles[5] = 90.;
752 }
753 else if (GetAngles(iplate,istrip)==0.) {
754 angles[0] = 90.;
755 angles[1] = 0.;
756 angles[2] = 90.;
757 angles[3] = 90.;
758 angles[4] = 0;
759 angles[5] = 0.;
760 }
761 else if (GetAngles(iplate,istrip) <0.) {
762 angles[0] = 90.;
763 angles[1] = 0.;
764 angles[2] = 90.+GetAngles(iplate,istrip);
765 angles[3] = 90.;
766 angles[4] =-GetAngles(iplate,istrip);
767 angles[5] = 270.;
768 }
769 Rotation(posLoc2,angles);
770
771 if ((TMath::Abs(posLoc2[0])<=klstripx*0.5) &&
772 (TMath::Abs(posLoc2[1])<=khstripy*0.5) &&
773 (TMath::Abs(posLoc2[2])<=kwstripz*0.5)) {
774 iStrip = istrip;
775 totStrip++;
776 for (Int_t jj=0; jj<3; jj++) posLocal[jj]=posLoc2[jj];
777 //AliInfo(Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ", posLocal[0],posLocal[1],posLocal[2]));
778
779 //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]));
780 break;
781 }
782
783 if (totStrip>1) AliInfo(Form("total strip number found %2i",totStrip));
784
785 }
786
787 return iStrip;
788
789}
790//_____________________________________________________________________________
791Int_t AliTOFGeometry::GetPadZ(Float_t *pos) const
792{
793 //
794 // Returns the Pad index along Z
795 //
796 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
797 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
798 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
799
800 Int_t iPadZ = -1;
801
802 Float_t posLocal[3];
803 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
804
805 Int_t isector = GetSector(posLocal);
806 if(isector == -1){
807 //AliError("Detector Index could not be determined");
808 return iPadZ;}
809 Int_t iplate = GetPlate(posLocal);
810 if(iplate == -1){
811 //AliError("Detector Index could not be determined");
812 return iPadZ;}
813 Int_t istrip = GetStrip(posLocal);
814 if(istrip == -1){
815 //AliError("Detector Index could not be determined");
816 return iPadZ;}
817
818 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
819 Double_t angles[6] =
820 {90., 90.+(isector+0.5)*fgkPhiSec,
821 0., 0.,
822 90., (isector+0.5)*fgkPhiSec
823 };
824 Rotation(posLocal,angles);
825
826 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
827 Translation(posLocal,step);
828
829 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
830 angles[0] = 90.;
831 angles[1] = 0.;
832 angles[2] = 0.;
833 angles[3] = 0.;
834 angles[4] = 90.;
835 angles[5] =270.;
836
837 Rotation(posLocal,angles);
838
839 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
840 step[0] = 0.;
841 step[1] = GetHeights(iplate,istrip);
842 step[2] = -GetDistances(iplate,istrip);
843 Translation(posLocal,step);
844
845 if (GetAngles(iplate,istrip) >0.) {
846 angles[0] = 90.;
847 angles[1] = 0.;
848 angles[2] = 90.+GetAngles(iplate,istrip);
849 angles[3] = 90.;
850 angles[4] = GetAngles(iplate,istrip);
851 angles[5] = 90.;
852 }
853 else if (GetAngles(iplate,istrip)==0.) {
854 angles[0] = 90.;
855 angles[1] = 0.;
856 angles[2] = 90.;
857 angles[3] = 90.;
858 angles[4] = 0;
859 angles[5] = 0.;
860 }
861 else if (GetAngles(iplate,istrip) <0.) {
862 angles[0] = 90.;
863 angles[1] = 0.;
864 angles[2] = 90.+GetAngles(iplate,istrip);
865 angles[3] = 90.;
866 angles[4] =-GetAngles(iplate,istrip);
867 angles[5] = 270.;
868 }
869 Rotation(posLocal,angles);
870
871 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
872 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
873
874 step[0] =-0.5*kNpadX*fgkXPad;
875 step[1] = 0.;
876 step[2] =-0.5*kNpadZ*fgkZPad;
877 Translation(posLocal,step);
878
879 iPadZ = (Int_t)(posLocal[2]/fgkZPad);
880 if (iPadZ==kNpadZ) iPadZ--;
881 else if (iPadZ>kNpadZ) iPadZ=-1;
882
883 //}
884 // else AliError("Detector Index could not be determined");
885
886 return iPadZ;
887
888}
889//_____________________________________________________________________________
890Int_t AliTOFGeometry::GetPadX(Float_t *pos) const
891{
892 //
893 // Returns the Pad index along X
894 //
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
898
899 Int_t iPadX = -1;
900
901 Float_t posLocal[3];
902 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
903
904 Int_t isector = GetSector(posLocal);
905 if(isector == -1){
906 //AliError("Detector Index could not be determined");
907 return iPadX;}
908 Int_t iplate = GetPlate(posLocal);
909 if(iplate == -1){
910 //AliError("Detector Index could not be determined");
911 return iPadX;}
912 Int_t istrip = GetStrip(posLocal);
913 if(istrip == -1){
914 //AliError("Detector Index could not be determined");
915 return iPadX;}
916
917 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
918 Double_t angles[6] =
919 {90., 90.+(isector+0.5)*fgkPhiSec,
920 0., 0.,
921 90., (isector+0.5)*fgkPhiSec
922 };
923 Rotation(posLocal,angles);
924
925 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
926 Translation(posLocal,step);
927
928 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
929 angles[0] = 90.;
930 angles[1] = 0.;
931 angles[2] = 0.;
932 angles[3] = 0.;
933 angles[4] = 90.;
934 angles[5] =270.;
935
936 Rotation(posLocal,angles);
937
938 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
939 step[0] = 0.;
940 step[1] = GetHeights(iplate,istrip);
941 step[2] = -GetDistances(iplate,istrip);
942 Translation(posLocal,step);
943
944 if (GetAngles(iplate,istrip) >0.) {
945 angles[0] = 90.;
946 angles[1] = 0.;
947 angles[2] = 90.+GetAngles(iplate,istrip);
948 angles[3] = 90.;
949 angles[4] = GetAngles(iplate,istrip);
950 angles[5] = 90.;
951 }
952 else if (GetAngles(iplate,istrip)==0.) {
953 angles[0] = 90.;
954 angles[1] = 0.;
955 angles[2] = 90.;
956 angles[3] = 90.;
957 angles[4] = 0;
958 angles[5] = 0.;
959 }
960 else if (GetAngles(iplate,istrip) <0.) {
961 angles[0] = 90.;
962 angles[1] = 0.;
963 angles[2] = 90.+GetAngles(iplate,istrip);
964 angles[3] = 90.;
965 angles[4] =-GetAngles(iplate,istrip);
966 angles[5] = 270.;
967 }
968 Rotation(posLocal,angles);
969
970 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
971 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
972
973 step[0] =-0.5*kNpadX*fgkXPad;
974 step[1] = 0.;
975 step[2] =-0.5*kNpadZ*fgkZPad;
976 Translation(posLocal,step);
977
978 iPadX = (Int_t)(posLocal[0]/fgkXPad);
979 if (iPadX==kNpadX) iPadX--;
980 else if (iPadX>kNpadX) iPadX=-1;
981
982 //}
983 //else AliError("Detector Index could not be determined");
984
985 return iPadX;
986
987}
988//_____________________________________________________________________________
989Float_t AliTOFGeometry::GetX(Int_t *det) const
990{
991 //
992 // Returns X coordinate (cm)
993 //
994
995 Int_t isector = det[0];
996 Int_t iplate = det[1];
997 Int_t istrip = det[2];
998 Int_t ipadz = det[3];
999 Int_t ipadx = det[4];
1000
1001 /*
1002 // Find out distance d on the plane wrt median phi:
1003 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
1004
1005 // The radius r in xy plane:
1006 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1007 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1008 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1009 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1010
1011 // local azimuthal angle in the sector philoc
1012 Float_t philoc = TMath::ATan(d/r);
1013 //if(philoc<0.) philoc = k2PI + philoc;
1014
1015 // azimuthal angle in the global frame phi
1016 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1017
1018 Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
1019 */
1020
1021 // Pad reference frame -> FSTR reference frame
1022 // /*
1023 Float_t posLocal[3] = {0., 0., 0.};
1024 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1025 Translation(posLocal,step);
1026
1027 step[0] = kNpadX*0.5*fgkXPad;
1028 step[1] = 0.;
1029 step[2] = kNpadZ*0.5*fgkZPad;
1030 // */
1031 /*
1032 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1033 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1034 */
1035 Translation(posLocal,step);
1036
1037 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1038 Double_t angles[6];
1039 if (GetAngles(iplate,istrip) >0.) {
1040 angles[0] = 90.;
1041 angles[1] = 0.;
1042 angles[2] = 90.+GetAngles(iplate,istrip);
1043 angles[3] = 90.;
1044 angles[4] = GetAngles(iplate,istrip);
1045 angles[5] = 90.;
1046 }
1047 else if (GetAngles(iplate,istrip)==0.) {
1048 angles[0] = 90.;
1049 angles[1] = 0.;
1050 angles[2] = 90.;
1051 angles[3] = 90.;
1052 angles[4] = 0;
1053 angles[5] = 0.;
1054 }
1055 else if (GetAngles(iplate,istrip) <0.) {
1056 angles[0] = 90.;
1057 angles[1] = 0.;
1058 angles[2] = 90.+GetAngles(iplate,istrip);
1059 angles[3] = 90.;
1060 angles[4] =-GetAngles(iplate,istrip);
1061 angles[5] = 270.;
1062 }
1063
1064 InverseRotation(posLocal,angles);
1065
1066 step[0] = 0.;
1067 step[1] = -GetHeights(iplate,istrip);
1068 step[2] = GetDistances(iplate,istrip);
1069 Translation(posLocal,step);
1070
1071 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1072 angles[0] = 90.;
1073 angles[1] = 0.;
1074 angles[2] = 0.;
1075 angles[3] = 0.;
1076 angles[4] = 90.;
1077 angles[5] =270.;
1078
1079 InverseRotation(posLocal,angles);
1080
1081 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1082 step[0] = 0.;
1083 step[1] = 0.;
1084 step[2] = -((fgkRmax+fgkRmin)*0.5);
1085 Translation(posLocal,step);
1086
1087 angles[0] = 90.;
1088 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1089 angles[2] = 0.;
1090 angles[3] = 0.;
1091 angles[4] = 90.;
1092 angles[5] = (isector+0.5)*fgkPhiSec;
1093
1094 InverseRotation(posLocal,angles);
1095
1096 Float_t xCoor = posLocal[0];
1097
1098 return xCoor;
1099
1100}
1101//_____________________________________________________________________________
1102Float_t AliTOFGeometry::GetY(Int_t *det) const
1103{
1104 //
1105 // Returns Y coordinate (cm)
1106 //
1107
1108 Int_t isector = det[0];
1109 Int_t iplate = det[1];
1110 Int_t istrip = det[2];
1111 Int_t ipadz = det[3];
1112 Int_t ipadx = det[4];
1113
1114 /*
1115 // Find out distance d on the plane wrt median phi:
1116 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
1117
1118 // The radius r in xy plane:
1119 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1120 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1121 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1122 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1123
1124 // local azimuthal angle in the sector philoc
1125 Float_t philoc = TMath::ATan(d/r);
1126 //if(philoc<0.) philoc = k2PI + philoc;
1127
1128 // azimuthal angle in the global frame phi
1129 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1130
1131 Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
1132 */
1133
1134 // Pad reference frame -> FSTR reference frame
1135 // /*
1136 Float_t posLocal[3] = {0., 0., 0.};
1137 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1138 Translation(posLocal,step);
1139
1140 step[0] = kNpadX*0.5*fgkXPad;
1141 step[1] = 0.;
1142 step[2] = kNpadZ*0.5*fgkZPad;
1143 // */
1144 /*
1145 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1146 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1147 */
1148 Translation(posLocal,step);
1149
1150 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1151
1152 Double_t angles[6];
1153 if (GetAngles(iplate,istrip) >0.) {
1154 angles[0] = 90.;
1155 angles[1] = 0.;
1156 angles[2] = 90.+GetAngles(iplate,istrip);
1157 angles[3] = 90.;
1158 angles[4] = GetAngles(iplate,istrip);
1159 angles[5] = 90.;
1160 }
1161 else if (GetAngles(iplate,istrip)==0.) {
1162 angles[0] = 90.;
1163 angles[1] = 0.;
1164 angles[2] = 90.;
1165 angles[3] = 90.;
1166 angles[4] = 0;
1167 angles[5] = 0.;
1168 }
1169 else if (GetAngles(iplate,istrip) <0.) {
1170 angles[0] = 90.;
1171 angles[1] = 0.;
1172 angles[2] = 90.+GetAngles(iplate,istrip);
1173 angles[3] = 90.;
1174 angles[4] =-GetAngles(iplate,istrip);
1175 angles[5] = 270.;
1176 }
1177
1178 InverseRotation(posLocal,angles);
1179
1180 step[0] = 0.;
1181 step[1] = -GetHeights(iplate,istrip);
1182 step[2] = GetDistances(iplate,istrip);
1183 Translation(posLocal,step);
1184
1185 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1186 angles[0] = 90.;
1187 angles[1] = 0.;
1188 angles[2] = 0.;
1189 angles[3] = 0.;
1190 angles[4] = 90.;
1191 angles[5] =270.;
1192
1193 InverseRotation(posLocal,angles);
1194
1195 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1196 step[0] = 0.;
1197 step[1] = 0.;
1198 step[2] = -((fgkRmax+fgkRmin)*0.5);
1199 Translation(posLocal,step);
1200
1201 angles[0] = 90.;
1202 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1203 angles[2] = 0.;
1204 angles[3] = 0.;
1205 angles[4] = 90.;
1206 angles[5] = (isector+0.5)*fgkPhiSec;
1207
1208 InverseRotation(posLocal,angles);
1209
1210 Float_t yCoor = posLocal[1];
1211
1212 return yCoor;
1213
1214}
1215
1216//_____________________________________________________________________________
1217Float_t AliTOFGeometry::GetZ(Int_t *det) const
1218{
1219 //
1220 // Returns Z coordinate (cm)
1221 //
1222
1223 Int_t isector = det[0];
1224 Int_t iplate = det[1];
1225 Int_t istrip = det[2];
1226 Int_t ipadz = det[3];
1227 Int_t ipadx = det[4];
1228
1229 /*
1230 Float_t zCoor = GetDistances(iplate,istrip) +
1231 (0.5-ipadz) * fgkZPad * TMath::Cos(GetAngles(iplate,istrip)*kDegrad);
1232 */
1233
1234 // Pad reference frame -> FSTR reference frame
1235 // /*
1236 Float_t posLocal[3] = {0., 0., 0.};
1237 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1238 Translation(posLocal,step);
1239
1240 step[0] = kNpadX*0.5*fgkXPad;
1241 step[1] = 0.;
1242 step[2] = kNpadZ*0.5*fgkZPad;
1243 // */
1244 /*
1245 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1246 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1247 */
1248 Translation(posLocal,step);
1249
1250 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1251 Double_t angles[6];
1252 if (GetAngles(iplate,istrip) >0.) {
1253 angles[0] = 90.;
1254 angles[1] = 0.;
1255 angles[2] = 90.+GetAngles(iplate,istrip);
1256 angles[3] = 90.;
1257 angles[4] = GetAngles(iplate,istrip);
1258 angles[5] = 90.;
1259 }
1260 else if (GetAngles(iplate,istrip)==0.) {
1261 angles[0] = 90.;
1262 angles[1] = 0.;
1263 angles[2] = 90.;
1264 angles[3] = 90.;
1265 angles[4] = 0;
1266 angles[5] = 0.;
1267 }
1268 else if (GetAngles(iplate,istrip) <0.) {
1269 angles[0] = 90.;
1270 angles[1] = 0.;
1271 angles[2] = 90.+GetAngles(iplate,istrip);
1272 angles[3] = 90.;
1273 angles[4] =-GetAngles(iplate,istrip);
1274 angles[5] = 270.;
1275 }
1276
1277 InverseRotation(posLocal,angles);
1278
1279 step[0] = 0.;
1280 step[1] = -GetHeights(iplate,istrip);
1281 step[2] = GetDistances(iplate,istrip);
1282 Translation(posLocal,step);
1283
1284 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1285 angles[0] = 90.;
1286 angles[1] = 0.;
1287 angles[2] = 0.;
1288 angles[3] = 0.;
1289 angles[4] = 90.;
1290 angles[5] =270.;
1291
1292 InverseRotation(posLocal,angles);
1293
1294 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1295 step[0] = 0.;
1296 step[1] = 0.;
1297 step[2] = -((fgkRmax+fgkRmin)*0.5);
1298 Translation(posLocal,step);
1299
1300 angles[0] = 90.;
1301 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1302 angles[2] = 0.;
1303 angles[3] = 0.;
1304 angles[4] = 90.;
1305 angles[5] = (isector+0.5)*fgkPhiSec;
1306
1307 InverseRotation(posLocal,angles);
1308
1309 Float_t zCoor = posLocal[2];
1310
1311 return zCoor;
1312
1313}
1314//_____________________________________________________________________________
1315
1316void AliTOFGeometry::DetToSectorRF(Int_t vol[5], Double_t **coord)
1317{
1318 //
1319 // Returns the local coordinates (x, y, z) in sector reference frame
1320 // for the 4 corners of each sector pad (vol[1], vol[2], vol[3], vol[4])
1321 //
1322
1323 if (!gGeoManager) printf("ERROR: no TGeo\n");
1324
1325 // ALICE -> TOF Sector
1326 Char_t path1[100]="";
1327 GetVolumePath(vol[0],path1);
1328 gGeoManager->cd(path1);
1329 TGeoHMatrix aliceToSector;
1330 aliceToSector = *gGeoManager->GetCurrentMatrix();
1331
1332 // TOF Sector -> ALICE
1333 //TGeoHMatrix sectorToALICE = aliceToSector.Inverse();
1334
1335 // ALICE -> TOF Pad
1336 Char_t path2[100]="";
1337 GetVolumePath(vol,path2);
1338 gGeoManager->cd(path2);
1339 TGeoHMatrix aliceToPad;
1340 aliceToPad = *gGeoManager->GetCurrentMatrix();
1341
1342 // TOF Pad -> ALICE
1343 TGeoHMatrix padToALICE = aliceToPad.Inverse();
1344
1345 // TOF Pad -> TOF Sector
1346 TGeoHMatrix padToSector = padToALICE*aliceToSector;
1347
1348 // TOF Sector -> TOF Pad
1349 //TGeoHMatrix sectorToPad = sectorToALICE*aliceToPad;
1350
1351 // coordinates of the pad bottom corner
1352 Double_t **cornerPad = new Double_t*[4];
1353 for (Int_t ii=0; ii<4; ii++) cornerPad[ii] = new Double_t[3];
1354
1355 cornerPad[0][0] = -fgkXPad/2.;
1356 cornerPad[0][1] = 0.;
1357 cornerPad[0][2] = -fgkZPad/2.;
1358
1359 cornerPad[1][0] = fgkXPad/2.;
1360 cornerPad[1][1] = 0.;
1361 cornerPad[1][2] = -fgkZPad/2.;
1362
1363 cornerPad[2][0] = fgkXPad/2.;
1364 cornerPad[2][1] = 0.;
1365 cornerPad[2][2] = fgkZPad/2.;
1366
1367 cornerPad[3][0] = -fgkXPad/2.;
1368 cornerPad[3][1] = 0.;
1369 cornerPad[3][2] = fgkZPad/2.;
1370
1371 for(Int_t aa=0; aa<4; aa++) for(Int_t bb=0; bb<3; bb++) coord[aa][bb]=0.;
1372
1373 for (Int_t jj=0; jj<4; jj++) padToSector.MasterToLocal(&cornerPad[jj][0], &coord[jj][0]);
1374
1375 delete cornerPad;
1376
1377 //sectorToPad.LocalToMaster(cornerPad, coord);
1378
1379}
1380//_____________________________________________________________________________
1381Float_t AliTOFGeometry::GetPadDx(Float_t *pos)
1382{
1383 //
1384 // Returns the x coordinate in the Pad reference frame
1385 //
1386
1387 Float_t xpad = -2.;
1388
1389 Float_t posLocal[3];
1390 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1391
1392 Int_t isector = GetSector(posLocal);
1393 if(isector == -1){
1394 //AliError("Detector Index could not be determined");
1395 return xpad;}
1396 Int_t iplate = GetPlate(posLocal);
1397 if(iplate == -1){
1398 //AliError("Detector Index could not be determined");
1399 return xpad;}
1400 Int_t istrip = GetStrip(posLocal);
1401 if(istrip == -1){
1402 //AliError("Detector Index could not be determined");
1403 return xpad;}
1404 Int_t ipadz = GetPadZ(posLocal);
1405 if(ipadz == -1){
1406 //AliError("Detector Index could not be determined");
1407 return xpad;}
1408 Int_t ipadx = GetPadX(posLocal);
1409 if(ipadx == -1){
1410 //AliError("Detector Index could not be determined");
1411 return xpad;}
1412
1413 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1414 Double_t angles[6] =
1415 {90., 90.+(isector+0.5)*fgkPhiSec,
1416 0., 0.,
1417 90., (isector+0.5)*fgkPhiSec
1418 };
1419 Rotation(posLocal,angles);
1420
1421 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1422 Translation(posLocal,step);
1423
1424 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1425 angles[0] = 90.;
1426 angles[1] = 0.;
1427 angles[2] = 0.;
1428 angles[3] = 0.;
1429 angles[4] = 90.;
1430 angles[5] =270.;
1431
1432 Rotation(posLocal,angles);
1433
1434 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1435 step[0] = 0.;
1436 step[1] = GetHeights(iplate,istrip);
1437 step[2] = -GetDistances(iplate,istrip);
1438 Translation(posLocal,step);
1439
1440 if (GetAngles(iplate,istrip) >0.) {
1441 angles[0] = 90.;
1442 angles[1] = 0.;
1443 angles[2] = 90.+GetAngles(iplate,istrip);
1444 angles[3] = 90.;
1445 angles[4] = GetAngles(iplate,istrip);
1446 angles[5] = 90.;
1447 }
1448 else if (GetAngles(iplate,istrip)==0.) {
1449 angles[0] = 90.;
1450 angles[1] = 0.;
1451 angles[2] = 90.;
1452 angles[3] = 90.;
1453 angles[4] = 0;
1454 angles[5] = 0.;
1455 }
1456 else if (GetAngles(iplate,istrip) <0.) {
1457 angles[0] = 90.;
1458 angles[1] = 0.;
1459 angles[2] = 90.+GetAngles(iplate,istrip);
1460 angles[3] = 90.;
1461 angles[4] =-GetAngles(iplate,istrip);
1462 angles[5] = 270.;
1463 }
1464 Rotation(posLocal,angles);
1465
1466 step[0] =-0.5*kNpadX*fgkXPad;
1467 step[1] = 0.;
1468 step[2] =-0.5*kNpadZ*fgkZPad;
1469 Translation(posLocal,step);
1470
1471 step[0] = (ipadx+0.5)*fgkXPad;
1472 step[1] = 0.;
1473 step[2] = (ipadz+0.5)*fgkZPad;
1474 Translation(posLocal,step);
1475
1476 xpad=posLocal[0];
1477
1478 return xpad;
1479
1480}
1481//_____________________________________________________________________________
1482Float_t AliTOFGeometry::GetPadDy(Float_t *pos)
1483{
1484 //
1485 // Returns the y coordinate in the Pad reference frame
1486 //
1487
1488 Float_t ypad = -2.;
1489
1490 Float_t posLocal[3];
1491 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1492
1493 Int_t isector = GetSector(posLocal);
1494 if(isector == -1){
1495 //AliError("Detector Index could not be determined");
1496 return ypad;}
1497 Int_t iplate = GetPlate(posLocal);
1498 if(iplate == -1){
1499 //AliError("Detector Index could not be determined");
1500 return ypad;}
1501 Int_t istrip = GetStrip(posLocal);
1502 if(istrip == -1){
1503 //AliError("Detector Index could not be determined");
1504 return ypad;}
1505 Int_t ipadz = GetPadZ(posLocal);
1506 if(ipadz == -1){
1507 //AliError("Detector Index could not be determined");
1508 return ypad;}
1509 Int_t ipadx = GetPadX(posLocal);
1510 if(ipadx == -1){
1511 //AliError("Detector Index could not be determined");
1512 return ypad;}
1513
1514 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1515 Double_t angles[6] =
1516 {90., 90.+(isector+0.5)*fgkPhiSec,
1517 0., 0.,
1518 90., (isector+0.5)*fgkPhiSec
1519 };
1520 Rotation(posLocal,angles);
1521
1522 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1523 Translation(posLocal,step);
1524
1525 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1526 angles[0] = 90.;
1527 angles[1] = 0.;
1528 angles[2] = 0.;
1529 angles[3] = 0.;
1530 angles[4] = 90.;
1531 angles[5] =270.;
1532
1533 Rotation(posLocal,angles);
1534
1535 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1536 step[0] = 0.;
1537 step[1] = GetHeights(iplate,istrip);
1538 step[2] = -GetDistances(iplate,istrip);
1539 Translation(posLocal,step);
1540
1541 if (GetAngles(iplate,istrip) >0.) {
1542 angles[0] = 90.;
1543 angles[1] = 0.;
1544 angles[2] = 90.+GetAngles(iplate,istrip);
1545 angles[3] = 90.;
1546 angles[4] = GetAngles(iplate,istrip);
1547 angles[5] = 90.;
1548 }
1549 else if (GetAngles(iplate,istrip)==0.) {
1550 angles[0] = 90.;
1551 angles[1] = 0.;
1552 angles[2] = 90.;
1553 angles[3] = 90.;
1554 angles[4] = 0;
1555 angles[5] = 0.;
1556 }
1557 else if (GetAngles(iplate,istrip) <0.) {
1558 angles[0] = 90.;
1559 angles[1] = 0.;
1560 angles[2] = 90.+GetAngles(iplate,istrip);
1561 angles[3] = 90.;
1562 angles[4] =-GetAngles(iplate,istrip);
1563 angles[5] = 270.;
1564 }
1565 Rotation(posLocal,angles);
1566
1567 step[0] =-0.5*kNpadX*fgkXPad;
1568 step[1] = 0.;
1569 step[2] =-0.5*kNpadZ*fgkZPad;
1570 Translation(posLocal,step);
1571
1572 step[0] = (ipadx+0.5)*fgkXPad;
1573 step[1] = 0.;
1574 step[2] = (ipadz+0.5)*fgkZPad;
1575 Translation(posLocal,step);
1576
1577 ypad=posLocal[1];
1578
1579 return ypad;
1580
1581}
1582//_____________________________________________________________________________
1583Float_t AliTOFGeometry::GetPadDz(Float_t *pos)
1584{
1585 //
1586 // Returns the z coordinate in the Pad reference frame
1587 //
1588
1589 Float_t zpad = -2.;
1590
1591 Float_t posLocal[3];
1592 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1593
1594 Int_t isector = GetSector(posLocal);
1595 if(isector == -1){
1596 //AliError("Detector Index could not be determined");
1597 return zpad;}
1598 Int_t iplate = GetPlate(posLocal);
1599 if(iplate == -1){
1600 //AliError("Detector Index could not be determined");
1601 return zpad;}
1602 Int_t istrip = GetStrip(posLocal);
1603 if(istrip == -1){
1604 //AliError("Detector Index could not be determined");
1605 return zpad;}
1606 Int_t ipadz = GetPadZ(posLocal);
1607 if(ipadz == -1){
1608 //AliError("Detector Index could not be determined");
1609 return zpad;}
1610 Int_t ipadx = GetPadX(posLocal);
1611 if(ipadx == -1){
1612 //AliError("Detector Index could not be determined");
1613 return zpad;}
1614
1615 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1616 Double_t angles[6] =
1617 {90., 90.+(isector+0.5)*fgkPhiSec,
1618 0., 0.,
1619 90., (isector+0.5)*fgkPhiSec
1620 };
1621 Rotation(posLocal,angles);
1622
1623 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1624 Translation(posLocal,step);
1625
1626 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1627 angles[0] = 90.;
1628 angles[1] = 0.;
1629 angles[2] = 0.;
1630 angles[3] = 0.;
1631 angles[4] = 90.;
1632 angles[5] =270.;
1633
1634 Rotation(posLocal,angles);
1635
1636 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1637 step[0] = 0.;
1638 step[1] = GetHeights(iplate,istrip);
1639 step[2] = -GetDistances(iplate,istrip);
1640 Translation(posLocal,step);
1641
1642 if (GetAngles(iplate,istrip) >0.) {
1643 angles[0] = 90.;
1644 angles[1] = 0.;
1645 angles[2] = 90.+GetAngles(iplate,istrip);
1646 angles[3] = 90.;
1647 angles[4] = GetAngles(iplate,istrip);
1648 angles[5] = 90.;
1649 }
1650 else if (GetAngles(iplate,istrip)==0.) {
1651 angles[0] = 90.;
1652 angles[1] = 0.;
1653 angles[2] = 90.;
1654 angles[3] = 90.;
1655 angles[4] = 0;
1656 angles[5] = 0.;
1657 }
1658 else if (GetAngles(iplate,istrip) <0.) {
1659 angles[0] = 90.;
1660 angles[1] = 0.;
1661 angles[2] = 90.+GetAngles(iplate,istrip);
1662 angles[3] = 90.;
1663 angles[4] =-GetAngles(iplate,istrip);
1664 angles[5] = 270.;
1665 }
1666 Rotation(posLocal,angles);
1667
1668 step[0] =-0.5*kNpadX*fgkXPad;
1669 step[1] = 0.;
1670 step[2] =-0.5*kNpadZ*fgkZPad;
1671 Translation(posLocal,step);
1672
1673 step[0] = (ipadx+0.5)*fgkXPad;
1674 step[1] = 0.;
1675 step[2] = (ipadz+0.5)*fgkZPad;
1676 Translation(posLocal,step);
1677
1678 zpad=posLocal[2];
1679
1680 return zpad;
1681
1682}
1683//_____________________________________________________________________________
1684
1685void AliTOFGeometry::Translation(Float_t *xyz, Float_t translationVector[3]) const
1686{
1687 //
1688 // Return the vector xyz translated by translationVector vector
1689 //
1690
1691 Int_t ii=0;
1692
1693 for (ii=0; ii<3; ii++)
1694 xyz[ii] -= translationVector[ii];
1695
1696 return;
1697
1698}
1699//_____________________________________________________________________________
1700
1701void AliTOFGeometry::Rotation(Float_t *xyz, Double_t rotationAngles[6]) const
1702{
1703 //
1704 // Return the vector xyz rotated according to the rotationAngles angles
1705 //
1706
1707 Int_t ii=0;
1708 /*
1709 TRotMatrix *matrix = new TRotMatrix("matrix","matrix", angles[0], angles[1],
1710 angles[2], angles[3],
1711 angles[4], angles[5]);
1712 */
1713
1714 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1715
1716 Float_t xyzDummy[3] = {0., 0., 0.};
1717
1718 for (ii=0; ii<3; ii++) {
1719 xyzDummy[ii] =
1720 xyz[0]*TMath::Sin(rotationAngles[2*ii])*TMath::Cos(rotationAngles[2*ii+1]) +
1721 xyz[1]*TMath::Sin(rotationAngles[2*ii])*TMath::Sin(rotationAngles[2*ii+1]) +
1722 xyz[2]*TMath::Cos(rotationAngles[2*ii]);
1723 }
1724
1725 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1726
1727 return;
1728
1729}
1730//_____________________________________________________________________________
1731void AliTOFGeometry::InverseRotation(Float_t *xyz, Double_t rotationAngles[6]) const
1732{
1733 //
1734 //
1735 //
1736
1737 Int_t ii=0;
1738
1739 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1740
1741 Float_t xyzDummy[3] = {0., 0., 0.};
1742
1743 xyzDummy[0] =
1744 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Cos(rotationAngles[1]) +
1745 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Cos(rotationAngles[3]) +
1746 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Cos(rotationAngles[5]);
1747
1748 xyzDummy[1] =
1749 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Sin(rotationAngles[1]) +
1750 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Sin(rotationAngles[3]) +
1751 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Sin(rotationAngles[5]);
1752
1753 xyzDummy[2] =
1754 xyz[0]*TMath::Cos(rotationAngles[0]) +
1755 xyz[1]*TMath::Cos(rotationAngles[2]) +
1756 xyz[2]*TMath::Cos(rotationAngles[4]);
1757
1758 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1759
1760 return;
1761
1762}
1763//_____________________________________________________________________________
1764
1765Int_t AliTOFGeometry::GetIndex(Int_t *detId)
1766{
1767 //Retrieve calibration channel index
1768 Int_t isector = detId[0];
1769 if (isector >= kNSectors){
1770 printf("Wrong sector number in TOF (%d) !",isector);
1771 return -1;
1772 }
1773 Int_t iplate = detId[1];
1774 if (iplate >= kNPlates){
1775 printf("Wrong plate number in TOF (%d) !",iplate);
1776 return -1;
1777 }
1778 Int_t istrip = detId[2];
1779 Int_t ipadz = detId[3];
1780 Int_t ipadx = detId[4];
1781 Int_t stripOffset = 0;
1782 switch (iplate) {
1783 case 0:
1784 stripOffset = 0;
1785 break;
1786 case 1:
1787 stripOffset = kNStripC;
1788 break;
1789 case 2:
1790 stripOffset = kNStripC+kNStripB;
1791 break;
1792 case 3:
1793 stripOffset = kNStripC+kNStripB+kNStripA;
1794 break;
1795 case 4:
1796 stripOffset = kNStripC+kNStripB+kNStripA+kNStripB;
1797 break;
1798 default:
1799 printf("Wrong plate number in TOF (%d) !",iplate);
1800 return -1;
1801 };
1802
1803 Int_t idet = ((2*(kNStripC+kNStripB)+kNStripA)
1804 *kNpadZ*kNpadX)*isector +
1805 (stripOffset*kNpadZ*kNpadX)+
1806 (kNpadZ*kNpadX)*istrip+
1807 (kNpadX)*ipadz+
1808 ipadx;
1809 return idet;
1810}
1811
1812
1813