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Possibility for partial TOF geometry (S.Arcelli)
[u/mrichter/AliRoot.git] / TOF / AliTOFGeometryV5.cxx
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d3c7bfac 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/*
17$Log$
06e24a91 18Revision 1.5 2006/04/20 22:30:50 hristov
19Coding conventions (Annalisa)
20
0e46b9ae 21Revision 1.4 2006/04/16 22:29:05 hristov
22Coding conventions (Annalisa)
23
7aeeaf38 24Revision 1.3 2006/03/12 14:38:05 arcelli
25 Changes for TOF Reconstruction using TGeo
26
a6a9820c 27Revision 1.2 2006/02/28 10:38:00 decaro
28AliTOFGeometry::fAngles, AliTOFGeometry::fHeights, AliTOFGeometry::fDistances arrays: dimension definition in the right location
29
4402e7cb 30Revision 1.1 2005/12/15 08:55:33 decaro
31New TOF geometry description (V5) -G. Cara Romeo and A. De Caro
32
d3c7bfac 33Revision 0.1 2005/07/19 G. Cara Romeo and A. De Caro
34 Modify Global methods IsInsideThePad & DistanceToPad
35 according to the new TOF geometry
36 Implement Global methods GetPadDx & GetPadDy & GetPadDz
37 Implement Private methods Translation & Rotation & InverseRotation
38 Modify Global methods GetDetID & GetPlate & GetSector &
39 GetStrip & GetPadX & GetPadZ
40 according to the new TOF geometry
41 Modify Global methods GetPos & GetX & GetY & GetZ
42 according to the new TOF geometry
43*/
44
d3c7bfac 45///////////////////////////////////////////////////////////////////////////////
46// //
47// TOF Geometry class (new version) //
48// //
49///////////////////////////////////////////////////////////////////////////////
50
0e46b9ae 51#include "TGeoManager.h"
52
d3c7bfac 53#include "AliConst.h"
0e46b9ae 54#include "AliLog.h"
55
d3c7bfac 56#include "AliTOFGeometryV5.h"
57
0e46b9ae 58extern TGeoManager *gGeoManager;
59
d3c7bfac 60ClassImp(AliTOFGeometryV5)
61
d3c7bfac 62
63const Float_t AliTOFGeometryV5::fgkZlenA = 370.6*2.; // length (cm) of the A module
64const Float_t AliTOFGeometryV5::fgkZlenB = 146.5; // length (cm) of the B module
65const Float_t AliTOFGeometryV5::fgkZlenC = 170.45; // length (cm) of the C module
66const Float_t AliTOFGeometryV5::fgkMaxhZtof = 370.6; // Max half z-size of TOF (cm)
d3c7bfac 67
68const Float_t AliTOFGeometryV5::fgkxTOF = 371.-0.01;// Inner radius of the TOF for Reconstruction (cm)
69const Float_t AliTOFGeometryV5::fgkRmin = 370.-0.01;// Inner radius of the TOF (cm)
70const Float_t AliTOFGeometryV5::fgkRmax = 399.-0.01;// Outer radius of the TOF (cm)
71
72//_____________________________________________________________________________
73AliTOFGeometryV5::AliTOFGeometryV5()
74 :AliTOFGeometry()
75{
76 //
77 // AliTOFGeometryV5 default constructor
78 //
79
7aeeaf38 80 AliTOFGeometry::fNStripC = kNStripC; // number of strips in C type module
d3c7bfac 81
7aeeaf38 82 AliTOFGeometry::fZlenA = fgkZlenA; // length of the TOF supermodule (cm)
83 AliTOFGeometry::fZlenB = fgkZlenB; // length of the B module (cm)
84 AliTOFGeometry::fZlenC = fgkZlenC; // length of the C module (cm)
85 AliTOFGeometry::fMaxhZtof = fgkMaxhZtof; // Max half z-size of TOF supermodule (cm)
d3c7bfac 86
7aeeaf38 87 AliTOFGeometry::fxTOF = fgkxTOF; // Inner radius of the TOF for Reconstruction (cm)
88 AliTOFGeometry::fRmin = fgkRmin; // Inner radius of the TOF (cm)
89 AliTOFGeometry::fRmax = fgkRmax; // Outer radius of the TOF (cm)
d3c7bfac 90
91 Init();
92
93}
94
95//_____________________________________________________________________________
96AliTOFGeometryV5::~AliTOFGeometryV5()
97{
98 //
99 // AliTOFGeometryV5 destructor
100 //
101
102}
103//_____________________________________________________________________________
a6a9820c 104void AliTOFGeometryV5::ImportGeometry(){
105 TGeoManager::Import("geometry.root");
106}
107//_____________________________________________________________________________
d3c7bfac 108void AliTOFGeometryV5::Init()
109{
110 //
111 // Initialize strip Tilt Angles, Heights and Distances
112 //
113 // Strips Tilt Angles
114
115 // For each strip to be positoned in FLTA/FLTB/FLTC,
116 // define 3 arrays containing:
117 // the angle of the normal with respect to the Y axis of FLTA/FLTB/FLTC
118 // the Y of the center with respect to the FLTA/FLTB/FLTC reference frame
119 // the Z of the center with respect to the BT01/BT02/BT03 reference frame
120
121
7aeeaf38 122 fPhiSec = 360./kNSectors;
123
d3c7bfac 124 Float_t const kangles[kNPlates][kMaxNstrip] ={
125 { 43.99, 43.20, 42.40, 41.59, 40.77, 39.94, 39.11, 38.25, 37.40, 36.53,
4402e7cb 126 35.65, 34.76, 33.87, 32.96, 32.05, 31.13, 30.19, 29.24, 12.33, 0.00},
d3c7bfac 127
128 { 27.26, 26.28, 25.30, 24.31, 23.31, 22.31, 21.30, 20.29, 19.26, 18.24,
4402e7cb 129 17.20, 16.16, 15.11, 14.05, 13.00, 11.93, 10.87, 9.80, 8.74, 0.00},
d3c7bfac 130
131 { 0.00, 6.30, 5.31, 4.25, 3.19, 2.12, 1.06, 0.00, -1.06, -2.12,
4402e7cb 132 -3.19, -4.25, -5.31, -6.30, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00},
d3c7bfac 133
134 { -8.74, -9.80, -10.87, -11.93, -13.00, -14.05, -15.11, -16.16, -17.20, -18.24,
4402e7cb 135 -19.26, -20.29, -21.30, -22.31, -23.31, -24.31, -25.30, -26.28, -27.26, 0.00},
d3c7bfac 136
137 {-12.33, -29.24, -30.19, -31.13, -32.05, -32.96, -33.87, -34.76, -35.65, -36.53,
4402e7cb 138 -37.40, -38.25, -39.11, -39.94, -40.77, -41.59, -42.40, -43.20, -43.99, 0.00}
d3c7bfac 139 };
140
141 Float_t const kheights[kNPlates][kMaxNstrip]= {
142 {-8.2, -7.5, -8.2, -7.7, -8.1, -7.6, -7.7, -7.7, -7.7, -7.7,
4402e7cb 143 -7.5, -7.2, -7.3, -7.5, -7.6, -7.8, -8.3, -9.3, -3.1, 0.0},
d3c7bfac 144
145 {-7.9, -8.1, -8.5, -9.0, -10.1, -3.9, -5.9, -7.7, -10.1, -3.6,
4402e7cb 146 -5.8, -8.0, -10.4, -4.4, -7.2, -10.2, -4.6, -7.4, -10.4, 0.0},
d3c7bfac 147
148 {-2.5, -10.4, -5.0, -9.9, -4.8, -9.9, -4.7, -10.2, -4.7, -9.9,
4402e7cb 149 -4.8, -9.9, -5.0, -10.4, -2.5, 0.0, 0.0, 0.0, 0.0, 0.0},
d3c7bfac 150
151 {-10.4, -7.4, -4.6, -10.2, -7.2, -4.4, -10.4, -8.0, -5.8, -3.6,
4402e7cb 152 -10.1, -7.7, -5.9, -3.9, -10.1, -9.0, -8.5, -8.1, -7.9, 0.0},
d3c7bfac 153
154 { -3.1, -9.3, -8.3, -7.8, -7.6, -7.5, -7.3, -7.2, -7.5, -7.7,
4402e7cb 155 -7.7, -7.7, -7.7, -7.6, -8.1, -7.7, -8.2, -7.5, -8.2, 0.0}
d3c7bfac 156 };
157
158
159 Float_t const kdistances[kNPlates][kMaxNstrip]= {
160 { 364.1, 354.9, 344.5, 335.4, 325.5, 316.6, 307.2, 298.0, 288.9, 280.0,
4402e7cb 161 271.3, 262.7, 254.0, 244.8, 236.1, 227.7, 219.1, 210.3, 205.7, 0.0},
d3c7bfac 162
163 { 194.2, 186.1, 177.9, 169.8, 161.5, 156.3, 147.8, 139.4, 130.9, 125.6,
4402e7cb 164 117.3, 109.2, 101.1, 95.3, 87.1, 79.2, 73.0, 65.1, 57.6, 0.0},
d3c7bfac 165
166 { 49.5, 41.3, 35.3, 27.8, 21.2, 13.9, 7.0, 0.0, -7.0, -13.9,
4402e7cb 167 -21.2, -27.8, -35.3, -41.3, -49.5, 0.0, 0.0, 0.0, 0.0, 0.0},
d3c7bfac 168
169 { -57.6, -65.1, -73.0, -79.2, -87.1, -95.3, -101.1, -109.2, -117.3, -125.6,
4402e7cb 170 -130.9, -139.4, -147.8, -156.3, -161.5, -169.8, -177.9, -186.1, -194.2, 0.0},
d3c7bfac 171
172 {-205.7, -210.3, -219.1, -227.7, -236.1, -244.8, -254.0, -262.7, -271.3, -280.0,
4402e7cb 173 -288.9, -298.0, -307.2, -316.6, -325.5, -335.4, -344.5, -354.9, -364.1, 0.0}
d3c7bfac 174 };
175
176
d3c7bfac 177 for (Int_t iplate = 0; iplate < kNPlates; iplate++) {
178 for (Int_t istrip = 0; istrip < kMaxNstrip; istrip++) {
179 AliTOFGeometry::fAngles[iplate][istrip] = kangles[iplate][istrip];
180 AliTOFGeometry::fHeights[iplate][istrip] = kheights[iplate][istrip];
181 AliTOFGeometry::fDistances[iplate][istrip]= kdistances[iplate][istrip];
182 }
183 }
184
185}
186
187//_____________________________________________________________________________
7aeeaf38 188Float_t AliTOFGeometryV5::DistanceToPadPar(Int_t *det, Float_t *pos, Float_t *dist3d) const
d3c7bfac 189{
190//
191// Returns distance of space point with coor pos (x,y,z) (cm) wrt
192// pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
193//
194
195 //Transform pos into Sector Frame
196
197 Float_t x = pos[0];
198 Float_t y = pos[1];
199 Float_t z = pos[2];
200
201 Float_t radius = TMath::Sqrt(x*x+y*y);
202 //Float_t phi=TMath::ATan(y/x);
203 //if(phi<0) phi = k2PI+phi; //2.*TMath::Pi()+phi;
204 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
205 // Get the local angle in the sector philoc
206 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fPhiSec) + 0.5)*fPhiSec;
207 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
208 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
209 Float_t zs = z;
210
211 // Do the same for the selected pad
212
213 Float_t g[3];
a6a9820c 214 GetPosPar(det,g);
d3c7bfac 215
216 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
217 //Float_t padPhi = TMath::ATan(g[1]/g[0]);
218 //if(padPhi<0) padPhi = k2Pi + padPhi;
219 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
220
221 // Get the local angle in the sector philoc
222 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fPhiSec)+ 0.5) * fPhiSec;
223 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
224 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
225 Float_t padzs = g[2];
226
227 //Now move to local pad coordinate frame. Translate:
228
229 Float_t xt = xs-padxs;
230 Float_t yt = ys-padys;
231 Float_t zt = zs-padzs;
232 //Now Rotate:
233
234 Float_t alpha = GetAngles(det[1],det[2]);
235 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
236 Float_t yr = yt;
237 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
238
239 Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr);
240
241 if (dist3d){
242 dist3d[0] = xr;
243 dist3d[1] = yr;
244 dist3d[2] = zr;
245 }
246
247 return dist;
248
249}
250
251//_____________________________________________________________________________
7aeeaf38 252Bool_t AliTOFGeometryV5::IsInsideThePadPar(Int_t *det, Float_t *pos) const
d3c7bfac 253{
254//
255// Returns true if space point with coor pos (x,y,z) (cm) falls
256// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
257//
258
259 Bool_t isInside=false;
260
261 /*
262 const Float_t khhony = 1.0 ; // heigth of HONY Layer
263 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
264 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
265 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
266 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
267 //const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
268 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
269 //const Float_t kwstripz = kwcpcbz;
270 //const Float_t klstripx = fgkStripLength;
271 */
272
a6a9820c 273 const Float_t khsensmy = 0.5;//0.05;//0.11;//0.16;// // heigth of Sensitive Layer
d3c7bfac 274
275 //Transform pos into Sector Frame
276
277 Float_t x = pos[0];
278 Float_t y = pos[1];
279 Float_t z = pos[2];
280
281 Float_t radius = TMath::Sqrt(x*x+y*y);
282 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
283
284 // Get the local angle in the sector philoc
285 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fPhiSec) + 0.5) *fPhiSec;
286 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
287 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
288 Float_t zs = z;
289
290 // Do the same for the selected pad
291
292 Float_t g[3];
a6a9820c 293 GetPosPar(det,g);
d3c7bfac 294
295 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
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/fPhiSec)+ 0.5) * fPhiSec;
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
310 //Now Rotate:
311
312 Float_t alpha = GetAngles(det[1],det[2]);
313 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
314 Float_t yr = yt;
315 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
316
d3c7bfac 317 if(TMath::Abs(xr)<=khsensmy*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
d3c7bfac 318 isInside=true;
319 return isInside;
320
321}
322
a6a9820c 323
324//_____________________________________________________________________________
7aeeaf38 325Float_t AliTOFGeometryV5::DistanceToPad(Int_t *det, TGeoHMatrix mat, Float_t *pos, Float_t *dist3d) const
a6a9820c 326{
327//
328// Returns distance of space point with coor pos (x,y,z) (cm) wrt
329// pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
330//
331 if (!gGeoManager) {
332 printf("ERROR: no TGeo\n");
333 return 0.;
334 }
335 Double_t vecg[3];
336 vecg[0]=pos[0];
337 vecg[1]=pos[1];
338 vecg[2]=pos[2];
339 Double_t veclr[3]={-1.,-1.,-1.};
340 Double_t vecl[3]={-1.,-1.,-1.};
341 mat.MasterToLocal(vecg,veclr);
342 vecl[0]=veclr[1];
343 vecl[1]=veclr[0];
344 //take into account reflections
345 if(det[1]>-1)vecl[2]=-veclr[2];
346
347 Float_t dist = TMath::Sqrt(vecl[0]*vecl[0]+vecl[1]*vecl[1]+vecl[2]*vecl[2]);
348
349
350 if (dist3d){
351 dist3d[0] = vecl[0];
352 dist3d[1] = vecl[1];
353 dist3d[2] = vecl[2];
354 }
355
356 return dist;
357
358}
359
360
361//_____________________________________________________________________________
7aeeaf38 362Bool_t AliTOFGeometryV5::IsInsideThePad( Int_t *det, TGeoHMatrix mat, Float_t *pos) const
a6a9820c 363{
364//
365// Returns true if space point with coor pos (x,y,z) (cm) falls
366// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
367//
368
369 const Float_t khsensmy = 0.5; // heigth of Sensitive Layer
370 Double_t vecg[3];
371 vecg[0]=pos[0];
372 vecg[1]=pos[1];
373 vecg[2]=pos[2];
374 Double_t veclr[3]={-1.,-1.,-1.};
375 Double_t vecl[3]={-1.,-1.,-1.};
376 mat.MasterToLocal(vecg,vecl);
377 vecl[0]=veclr[1];
378 vecl[1]=veclr[0];
379 //take into account reflections
380 if(det[1]>-1)vecl[2]=-veclr[2];
381
382 Float_t xr = vecl[0];
383 Float_t yr = vecl[1];
384 Float_t zr = vecl[2];
385
386 Bool_t isInside=false;
387 if(TMath::Abs(xr)<= khsensmy*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
388 isInside=true;
389 return isInside;
390
391}
392//_____________________________________________________________________________
d3c7bfac 393//_____________________________________________________________________________
7aeeaf38 394Float_t AliTOFGeometryV5::GetX(Int_t *det) const
d3c7bfac 395{
396 //
397 // Returns X coordinate (cm)
398 //
399
400 Int_t isector = det[0];
401 Int_t iplate = det[1];
402 Int_t istrip = det[2];
403 Int_t ipadz = det[3];
404 Int_t ipadx = det[4];
405
406 /*
407 // Find out distance d on the plane wrt median phi:
408 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
409
410 // The radius r in xy plane:
411 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
412 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
413 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
414 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
415
416 // local azimuthal angle in the sector philoc
417 Float_t philoc = TMath::ATan(d/r);
418 //if(philoc<0.) philoc = k2PI + philoc;
419
420 // azimuthal angle in the global frame phi
421 Float_t phi = philoc*kRaddeg+(isector+0.5)*fPhiSec;
422
423 Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
424 */
425
426 // Pad reference frame -> FSTR reference frame
427 // /*
428 Float_t posLocal[3] = {0., 0., 0.};
429 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
430 Translation(posLocal,step);
431
432 step[0] = kNpadX*0.5*fgkXPad;
433 step[1] = 0.;
434 step[2] = kNpadZ*0.5*fgkZPad;
435 // */
436 /*
437 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
438 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
439 */
440 Translation(posLocal,step);
441
442 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
443 Double_t angles[6];
444 if (GetAngles(iplate,istrip) >0.) {
445 angles[0] = 90.;
446 angles[1] = 0.;
447 angles[2] = 90.+GetAngles(iplate,istrip);
448 angles[3] = 90.;
449 angles[4] = GetAngles(iplate,istrip);
450 angles[5] = 90.;
451 }
452 else if (GetAngles(iplate,istrip)==0.) {
453 angles[0] = 90.;
454 angles[1] = 0.;
455 angles[2] = 90.;
456 angles[3] = 90.;
457 angles[4] = 0;
458 angles[5] = 0.;
459 }
460 else if (GetAngles(iplate,istrip) <0.) {
461 angles[0] = 90.;
462 angles[1] = 0.;
463 angles[2] = 90.+GetAngles(iplate,istrip);
464 angles[3] = 90.;
465 angles[4] =-GetAngles(iplate,istrip);
466 angles[5] = 270.;
467 }
468
469 InverseRotation(posLocal,angles);
470
471 step[0] = 0.;
472 step[1] = -GetHeights(iplate,istrip);
473 step[2] = GetDistances(iplate,istrip);
474 Translation(posLocal,step);
475
476 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
477 angles[0] = 90.;
478 angles[1] = 0.;
479 angles[2] = 0.;
480 angles[3] = 0.;
481 angles[4] = 90.;
482 angles[5] =270.;
483
484 InverseRotation(posLocal,angles);
485
486 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
487 step[0] = 0.;
488 step[1] = 0.;
489 step[2] = -((fgkRmax+fgkRmin)*0.5);
490 Translation(posLocal,step);
491
492 angles[0] = 90.;
493 angles[1] = 90.+(isector+0.5)*fPhiSec;
494 angles[2] = 0.;
495 angles[3] = 0.;
496 angles[4] = 90.;
497 angles[5] = (isector+0.5)*fPhiSec;
498
499 InverseRotation(posLocal,angles);
500
501 Float_t xCoor = posLocal[0];
502
503 return xCoor;
504
505}
506//_____________________________________________________________________________
7aeeaf38 507Float_t AliTOFGeometryV5::GetY(Int_t *det) const
d3c7bfac 508{
509 //
510 // Returns Y coordinate (cm)
511 //
512
513 Int_t isector = det[0];
514 Int_t iplate = det[1];
515 Int_t istrip = det[2];
516 Int_t ipadz = det[3];
517 Int_t ipadx = det[4];
518
519 /*
520 // Find out distance d on the plane wrt median phi:
521 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
522
523 // The radius r in xy plane:
524 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
525 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
526 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
527 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
528
529 // local azimuthal angle in the sector philoc
530 Float_t philoc = TMath::ATan(d/r);
531 //if(philoc<0.) philoc = k2PI + philoc;
532
533 // azimuthal angle in the global frame phi
534 Float_t phi = philoc*kRaddeg+(isector+0.5)*fPhiSec;
535
536 Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
537 */
538
539 // Pad reference frame -> FSTR reference frame
540 // /*
541 Float_t posLocal[3] = {0., 0., 0.};
542 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
543 Translation(posLocal,step);
544
545 step[0] = kNpadX*0.5*fgkXPad;
546 step[1] = 0.;
547 step[2] = kNpadZ*0.5*fgkZPad;
548 // */
549 /*
550 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
551 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
552 */
553 Translation(posLocal,step);
554
555 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
556
557 Double_t angles[6];
558 if (GetAngles(iplate,istrip) >0.) {
559 angles[0] = 90.;
560 angles[1] = 0.;
561 angles[2] = 90.+GetAngles(iplate,istrip);
562 angles[3] = 90.;
563 angles[4] = GetAngles(iplate,istrip);
564 angles[5] = 90.;
565 }
566 else if (GetAngles(iplate,istrip)==0.) {
567 angles[0] = 90.;
568 angles[1] = 0.;
569 angles[2] = 90.;
570 angles[3] = 90.;
571 angles[4] = 0;
572 angles[5] = 0.;
573 }
574 else if (GetAngles(iplate,istrip) <0.) {
575 angles[0] = 90.;
576 angles[1] = 0.;
577 angles[2] = 90.+GetAngles(iplate,istrip);
578 angles[3] = 90.;
579 angles[4] =-GetAngles(iplate,istrip);
580 angles[5] = 270.;
581 }
582
583 InverseRotation(posLocal,angles);
584
585 step[0] = 0.;
586 step[1] = -GetHeights(iplate,istrip);
587 step[2] = GetDistances(iplate,istrip);
588 Translation(posLocal,step);
589
590 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
591 angles[0] = 90.;
592 angles[1] = 0.;
593 angles[2] = 0.;
594 angles[3] = 0.;
595 angles[4] = 90.;
596 angles[5] =270.;
597
598 InverseRotation(posLocal,angles);
599
600 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
601 step[0] = 0.;
602 step[1] = 0.;
603 step[2] = -((fgkRmax+fgkRmin)*0.5);
604 Translation(posLocal,step);
605
606 angles[0] = 90.;
607 angles[1] = 90.+(isector+0.5)*fPhiSec;
608 angles[2] = 0.;
609 angles[3] = 0.;
610 angles[4] = 90.;
611 angles[5] = (isector+0.5)*fPhiSec;
612
613 InverseRotation(posLocal,angles);
614
615 Float_t yCoor = posLocal[1];
616
617 return yCoor;
618
619}
620
621//_____________________________________________________________________________
7aeeaf38 622Float_t AliTOFGeometryV5::GetZ(Int_t *det) const
d3c7bfac 623{
624 //
625 // Returns Z coordinate (cm)
626 //
627
628 Int_t isector = det[0];
629 Int_t iplate = det[1];
630 Int_t istrip = det[2];
631 Int_t ipadz = det[3];
632 Int_t ipadx = det[4];
633
634 /*
635 Float_t zCoor = GetDistances(iplate,istrip) +
636 (0.5-ipadz) * fgkZPad * TMath::Cos(GetAngles(iplate,istrip)*kDegrad);
637 */
638
639 // Pad reference frame -> FSTR reference frame
640 // /*
641 Float_t posLocal[3] = {0., 0., 0.};
642 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
643 Translation(posLocal,step);
644
645 step[0] = kNpadX*0.5*fgkXPad;
646 step[1] = 0.;
647 step[2] = kNpadZ*0.5*fgkZPad;
648 // */
649 /*
650 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
651 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
652 */
653 Translation(posLocal,step);
654
655 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
656 Double_t angles[6];
657 if (GetAngles(iplate,istrip) >0.) {
658 angles[0] = 90.;
659 angles[1] = 0.;
660 angles[2] = 90.+GetAngles(iplate,istrip);
661 angles[3] = 90.;
662 angles[4] = GetAngles(iplate,istrip);
663 angles[5] = 90.;
664 }
665 else if (GetAngles(iplate,istrip)==0.) {
666 angles[0] = 90.;
667 angles[1] = 0.;
668 angles[2] = 90.;
669 angles[3] = 90.;
670 angles[4] = 0;
671 angles[5] = 0.;
672 }
673 else if (GetAngles(iplate,istrip) <0.) {
674 angles[0] = 90.;
675 angles[1] = 0.;
676 angles[2] = 90.+GetAngles(iplate,istrip);
677 angles[3] = 90.;
678 angles[4] =-GetAngles(iplate,istrip);
679 angles[5] = 270.;
680 }
681
682 InverseRotation(posLocal,angles);
683
684 step[0] = 0.;
685 step[1] = -GetHeights(iplate,istrip);
686 step[2] = GetDistances(iplate,istrip);
687 Translation(posLocal,step);
688
689 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
690 angles[0] = 90.;
691 angles[1] = 0.;
692 angles[2] = 0.;
693 angles[3] = 0.;
694 angles[4] = 90.;
695 angles[5] =270.;
696
697 InverseRotation(posLocal,angles);
698
699 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
700 step[0] = 0.;
701 step[1] = 0.;
702 step[2] = -((fgkRmax+fgkRmin)*0.5);
703 Translation(posLocal,step);
704
705 angles[0] = 90.;
706 angles[1] = 90.+(isector+0.5)*fPhiSec;
707 angles[2] = 0.;
708 angles[3] = 0.;
709 angles[4] = 90.;
710 angles[5] = (isector+0.5)*fPhiSec;
711
712 InverseRotation(posLocal,angles);
713
714 Float_t zCoor = posLocal[2];
715
716 return zCoor;
717
718}
719
720//_____________________________________________________________________________
7aeeaf38 721Int_t AliTOFGeometryV5::GetSector(Float_t *pos) const
d3c7bfac 722{
723 //
724 // Returns the Sector index
725 //
726
727 //const Float_t khAlWall = 0.1;
728 //const Float_t kModuleWallThickness = 0.3;
729
730 Int_t iSect = -1;
731
732 Float_t x = pos[0];
733 Float_t y = pos[1];
734 Float_t z = pos[2];
735
736 Float_t rho = TMath::Sqrt(x*x + y*y);
737
738 //if (!((z>=-fgkMaxhZtof && z<=fgkMaxhZtof) &&
739 if (!((z>=-fgkZlenA*0.5 && z<=fgkZlenA*0.5) &&
740 (rho>=(fgkRmin) && rho<=(fgkRmax)))) {
741 //(rho>=(fgkRmin-0.05)+kModuleWallThickness && rho<=(fgkRmax-0.05)-kModuleWallThickness-khAlWall-kModuleWallThickness))) {
742 //AliError("Detector Index could not be determined");
743 return iSect;
744 }
745
746 Float_t phi = TMath::Pi() + TMath::ATan2(-y,-x);
747
748 iSect = (Int_t) (phi*kRaddeg/fPhiSec);
749
750 return iSect;
751
752}
753//_____________________________________________________________________________
754
7aeeaf38 755Int_t AliTOFGeometryV5::GetPlate(Float_t *pos) const
d3c7bfac 756{
757 //
758 // Returns the Plate index
759 //
760 const Float_t kInterCentrModBorder1 = 49.5;
761 const Float_t kInterCentrModBorder2 = 57.5;
762 const Float_t kExterInterModBorder1 = 196.0;
763 const Float_t kExterInterModBorder2 = 203.5;
764
765 const Float_t kLengthExInModBorder = 4.7;
766 const Float_t kLengthInCeModBorder = 7.0;
767
768 //const Float_t khAlWall = 0.1;
769 const Float_t kModuleWallThickness = 0.3;
770 //const Float_t kHoneycombLayerThickness = 1.5;
771
772 Int_t iPlate=-1;
773
774 Float_t posLocal[3];
775 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
776
777 Int_t isector = GetSector(posLocal);
778 if(isector == -1){
779 //AliError("Detector Index could not be determined");
780 return iPlate;
781 }
782
783 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
784 Double_t angles[6] =
785 {90., 90.+(isector+0.5)*fPhiSec,
786 0., 0.,
787 90., (isector+0.5)*fPhiSec
788 };
789 Rotation(posLocal,angles);
790
791 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
792 Translation(posLocal,step);
793
794 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
795 angles[0] = 90.;
796 angles[1] = 0.;
797 angles[2] = 0.;
798 angles[3] = 0.;
799 angles[4] = 90.;
800 angles[5] =270.;
801
802 Rotation(posLocal,angles);
803
804 Float_t yLocal = posLocal[1];
805 Float_t zLocal = posLocal[2];
806
807 Float_t deltaRhoLoc = (fgkRmax-fgkRmin)*0.5 - kModuleWallThickness + yLocal;
808 Float_t deltaZetaLoc = TMath::Abs(zLocal);
809
810 Float_t deltaRHOmax = 0.;
811
812 if (TMath::Abs(zLocal)>=kExterInterModBorder1 && TMath::Abs(zLocal)<=kExterInterModBorder2)
813 {
814 deltaRhoLoc -= kLengthExInModBorder;
815 deltaZetaLoc = kExterInterModBorder2-deltaZetaLoc;
816 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthExInModBorder; // old 5.35, new 4.8
817
818 if (deltaRhoLoc > deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) {
819 if (zLocal<0) iPlate = 0;
820 else iPlate = 4;
821 }
822 else {
823 if (zLocal<0) iPlate = 1;
824 else iPlate = 3;
825 }
826 }
827 else if (TMath::Abs(zLocal)>=kInterCentrModBorder1 && TMath::Abs(zLocal)<=kInterCentrModBorder2)
828 {
829 deltaRhoLoc -= kLengthInCeModBorder;
830 deltaZetaLoc = deltaZetaLoc-kInterCentrModBorder1;
831 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthInCeModBorder; // old 0.39, new 0.2
832
833 if (deltaRhoLoc>deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) iPlate = 2;
834 else {
835 if (zLocal<0) iPlate = 1;
836 else iPlate = 3;
837 }
838 }
839
840 if (zLocal>-fgkZlenA*0.5/*fgkMaxhZtof*/ && zLocal<-kExterInterModBorder2) iPlate = 0;
841 else if (zLocal>-kExterInterModBorder1 && zLocal<-kInterCentrModBorder2) iPlate = 1;
842 else if (zLocal>-kInterCentrModBorder1 && zLocal< kInterCentrModBorder1) iPlate = 2;
843 else if (zLocal> kInterCentrModBorder2 && zLocal< kExterInterModBorder1) iPlate = 3;
844 else if (zLocal> kExterInterModBorder2 && zLocal< fgkZlenA*0.5/*fgkMaxhZtof*/) iPlate = 4;
845
846 return iPlate;
847
848}
849
850//_____________________________________________________________________________
7aeeaf38 851Int_t AliTOFGeometryV5::GetStrip(Float_t *pos) const
d3c7bfac 852{
853 //
854 // Returns the Strip index
855 //
856 const Float_t khhony = 1.0 ; // heigth of HONY Layer
857 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
858 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
859 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
860 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
861 const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
862 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
863 const Float_t kwstripz = kwcpcbz;
864 const Float_t klstripx = fgkStripLength;
865
866 Int_t iStrip=-1;
867
868 Float_t posLocal[3];
869 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
870
871 Int_t isector = GetSector(posLocal);
872 if(isector == -1){
873 //AliError("Detector Index could not be determined");
874 return iStrip;}
875 Int_t iplate = GetPlate(posLocal);
876 if(iplate == -1){
877 //AliError("Detector Index could not be determined");
878 return iStrip;}
879
880 Int_t nstrips=0;
881 switch (iplate) {
882 case 0:
883 nstrips=kNStripC;
884 break;
885 case 4:
886 nstrips=kNStripC;
887 break;
888 case 1:
889 nstrips=kNStripB;
890 break;
891 case 3:
892 nstrips=kNStripB;
893 break;
894 case 2:
895 nstrips=kNStripA;
896 break;
897 }
898
899 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
900 Double_t angles[6] =
901 {90., 90.+(isector+0.5)*fPhiSec,
902 0., 0.,
903 90., (isector+0.5)*fPhiSec
904 };
905 Rotation(posLocal,angles);
906
907 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
908 Translation(posLocal,step);
909
910 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
911 angles[0] = 90.;
912 angles[1] = 0.;
913 angles[2] = 0.;
914 angles[3] = 0.;
915 angles[4] = 90.;
916 angles[5] =270.;
917
918 Rotation(posLocal,angles);
919
920 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
921 Int_t totStrip=0;
922 for (Int_t istrip=0; istrip<nstrips; istrip++){
923
924 Float_t posLoc2[3]={posLocal[0],posLocal[1],posLocal[2]};
925
926 step[0] = 0.;
927 step[1] = GetHeights(iplate,istrip);
928 step[2] = -GetDistances(iplate,istrip);
929 Translation(posLoc2,step);
930
931 if (GetAngles(iplate,istrip) >0.) {
932 angles[0] = 90.;
933 angles[1] = 0.;
934 angles[2] = 90.+GetAngles(iplate,istrip);
935 angles[3] = 90.;
936 angles[4] = GetAngles(iplate,istrip);
937 angles[5] = 90.;
938 }
939 else if (GetAngles(iplate,istrip)==0.) {
940 angles[0] = 90.;
941 angles[1] = 0.;
942 angles[2] = 90.;
943 angles[3] = 90.;
944 angles[4] = 0;
945 angles[5] = 0.;
946 }
947 else if (GetAngles(iplate,istrip) <0.) {
948 angles[0] = 90.;
949 angles[1] = 0.;
950 angles[2] = 90.+GetAngles(iplate,istrip);
951 angles[3] = 90.;
952 angles[4] =-GetAngles(iplate,istrip);
953 angles[5] = 270.;
954 }
955 Rotation(posLoc2,angles);
956
957 if ((TMath::Abs(posLoc2[0])<=klstripx*0.5) &&
958 (TMath::Abs(posLoc2[1])<=khstripy*0.5) &&
959 (TMath::Abs(posLoc2[2])<=kwstripz*0.5)) {
960 iStrip = istrip;
961 totStrip++;
962 for (Int_t jj=0; jj<3; jj++) posLocal[jj]=posLoc2[jj];
963 //AliInfo(Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ", posLocal[0],posLocal[1],posLocal[2]));
964
965 //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]));
966 break;
967 }
968
969 if (totStrip>1) AliInfo(Form("total strip number found %2i",totStrip));
970
971 }
972
973 return iStrip;
974
975}
976//_____________________________________________________________________________
7aeeaf38 977Int_t AliTOFGeometryV5::GetPadZ(Float_t *pos) const
d3c7bfac 978{
979 //
980 // Returns the Pad index along Z
981 //
982 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
983 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
984 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
985
986 Int_t iPadZ = -1;
987
988 Float_t posLocal[3];
989 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
990
991 Int_t isector = GetSector(posLocal);
992 if(isector == -1){
993 //AliError("Detector Index could not be determined");
994 return iPadZ;}
995 Int_t iplate = GetPlate(posLocal);
996 if(iplate == -1){
997 //AliError("Detector Index could not be determined");
998 return iPadZ;}
999 Int_t istrip = GetStrip(posLocal);
1000 if(istrip == -1){
1001 //AliError("Detector Index could not be determined");
1002 return iPadZ;}
1003
1004 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1005 Double_t angles[6] =
1006 {90., 90.+(isector+0.5)*fPhiSec,
1007 0., 0.,
1008 90., (isector+0.5)*fPhiSec
1009 };
1010 Rotation(posLocal,angles);
1011
1012 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1013 Translation(posLocal,step);
1014
1015 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
1016 angles[0] = 90.;
1017 angles[1] = 0.;
1018 angles[2] = 0.;
1019 angles[3] = 0.;
1020 angles[4] = 90.;
1021 angles[5] =270.;
1022
1023 Rotation(posLocal,angles);
1024
1025 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1026 step[0] = 0.;
1027 step[1] = GetHeights(iplate,istrip);
1028 step[2] = -GetDistances(iplate,istrip);
1029 Translation(posLocal,step);
1030
1031 if (GetAngles(iplate,istrip) >0.) {
1032 angles[0] = 90.;
1033 angles[1] = 0.;
1034 angles[2] = 90.+GetAngles(iplate,istrip);
1035 angles[3] = 90.;
1036 angles[4] = GetAngles(iplate,istrip);
1037 angles[5] = 90.;
1038 }
1039 else if (GetAngles(iplate,istrip)==0.) {
1040 angles[0] = 90.;
1041 angles[1] = 0.;
1042 angles[2] = 90.;
1043 angles[3] = 90.;
1044 angles[4] = 0;
1045 angles[5] = 0.;
1046 }
1047 else if (GetAngles(iplate,istrip) <0.) {
1048 angles[0] = 90.;
1049 angles[1] = 0.;
1050 angles[2] = 90.+GetAngles(iplate,istrip);
1051 angles[3] = 90.;
1052 angles[4] =-GetAngles(iplate,istrip);
1053 angles[5] = 270.;
1054 }
1055 Rotation(posLocal,angles);
1056
1057 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
1058 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
1059
1060 step[0] =-0.5*kNpadX*fgkXPad;
1061 step[1] = 0.;
1062 step[2] =-0.5*kNpadZ*fgkZPad;
1063 Translation(posLocal,step);
1064
1065 iPadZ = (Int_t)(posLocal[2]/fgkZPad);
1066 if (iPadZ==kNpadZ) iPadZ--;
1067 else if (iPadZ>kNpadZ) iPadZ=-1;
1068
1069 //}
1070 // else AliError("Detector Index could not be determined");
1071
1072 return iPadZ;
1073
1074}
1075//_____________________________________________________________________________
7aeeaf38 1076Int_t AliTOFGeometryV5::GetPadX(Float_t *pos) const
d3c7bfac 1077{
1078 //
1079 // Returns the Pad index along X
1080 //
1081 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
1082 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
1083 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
1084
1085 Int_t iPadX = -1;
1086
1087 Float_t posLocal[3];
1088 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1089
1090 Int_t isector = GetSector(posLocal);
1091 if(isector == -1){
1092 //AliError("Detector Index could not be determined");
1093 return iPadX;}
1094 Int_t iplate = GetPlate(posLocal);
1095 if(iplate == -1){
1096 //AliError("Detector Index could not be determined");
1097 return iPadX;}
1098 Int_t istrip = GetStrip(posLocal);
1099 if(istrip == -1){
1100 //AliError("Detector Index could not be determined");
1101 return iPadX;}
1102
1103 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1104 Double_t angles[6] =
1105 {90., 90.+(isector+0.5)*fPhiSec,
1106 0., 0.,
1107 90., (isector+0.5)*fPhiSec
1108 };
1109 Rotation(posLocal,angles);
1110
1111 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1112 Translation(posLocal,step);
1113
1114 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1115 angles[0] = 90.;
1116 angles[1] = 0.;
1117 angles[2] = 0.;
1118 angles[3] = 0.;
1119 angles[4] = 90.;
1120 angles[5] =270.;
1121
1122 Rotation(posLocal,angles);
1123
1124 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1125 step[0] = 0.;
1126 step[1] = GetHeights(iplate,istrip);
1127 step[2] = -GetDistances(iplate,istrip);
1128 Translation(posLocal,step);
1129
1130 if (GetAngles(iplate,istrip) >0.) {
1131 angles[0] = 90.;
1132 angles[1] = 0.;
1133 angles[2] = 90.+GetAngles(iplate,istrip);
1134 angles[3] = 90.;
1135 angles[4] = GetAngles(iplate,istrip);
1136 angles[5] = 90.;
1137 }
1138 else if (GetAngles(iplate,istrip)==0.) {
1139 angles[0] = 90.;
1140 angles[1] = 0.;
1141 angles[2] = 90.;
1142 angles[3] = 90.;
1143 angles[4] = 0;
1144 angles[5] = 0.;
1145 }
1146 else if (GetAngles(iplate,istrip) <0.) {
1147 angles[0] = 90.;
1148 angles[1] = 0.;
1149 angles[2] = 90.+GetAngles(iplate,istrip);
1150 angles[3] = 90.;
1151 angles[4] =-GetAngles(iplate,istrip);
1152 angles[5] = 270.;
1153 }
1154 Rotation(posLocal,angles);
1155
1156 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
1157 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
1158
1159 step[0] =-0.5*kNpadX*fgkXPad;
1160 step[1] = 0.;
1161 step[2] =-0.5*kNpadZ*fgkZPad;
1162 Translation(posLocal,step);
1163
1164 iPadX = (Int_t)(posLocal[0]/fgkXPad);
1165 if (iPadX==kNpadX) iPadX--;
1166 else if (iPadX>kNpadX) iPadX=-1;
1167
1168 //}
1169 //else AliError("Detector Index could not be determined");
1170
1171 return iPadX;
1172
1173}
1174//_____________________________________________________________________________
1175
1176Float_t AliTOFGeometryV5::GetPadDx(Float_t *pos)
1177{
1178 //
1179 // Returns the x coordinate in the Pad reference frame
1180 //
1181
1182 Float_t xpad = -2.;
1183
1184 Float_t posLocal[3];
1185 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1186
1187 Int_t isector = GetSector(posLocal);
1188 if(isector == -1){
1189 //AliError("Detector Index could not be determined");
1190 return xpad;}
1191 Int_t iplate = GetPlate(posLocal);
1192 if(iplate == -1){
1193 //AliError("Detector Index could not be determined");
1194 return xpad;}
1195 Int_t istrip = GetStrip(posLocal);
1196 if(istrip == -1){
1197 //AliError("Detector Index could not be determined");
1198 return xpad;}
1199 Int_t ipadz = GetPadZ(posLocal);
1200 if(ipadz == -1){
1201 //AliError("Detector Index could not be determined");
1202 return xpad;}
1203 Int_t ipadx = GetPadX(posLocal);
1204 if(ipadx == -1){
1205 //AliError("Detector Index could not be determined");
1206 return xpad;}
1207
1208 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1209 Double_t angles[6] =
1210 {90., 90.+(isector+0.5)*fPhiSec,
1211 0., 0.,
1212 90., (isector+0.5)*fPhiSec
1213 };
1214 Rotation(posLocal,angles);
1215
1216 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1217 Translation(posLocal,step);
1218
1219 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1220 angles[0] = 90.;
1221 angles[1] = 0.;
1222 angles[2] = 0.;
1223 angles[3] = 0.;
1224 angles[4] = 90.;
1225 angles[5] =270.;
1226
1227 Rotation(posLocal,angles);
1228
1229 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1230 step[0] = 0.;
1231 step[1] = GetHeights(iplate,istrip);
1232 step[2] = -GetDistances(iplate,istrip);
1233 Translation(posLocal,step);
1234
1235 if (GetAngles(iplate,istrip) >0.) {
1236 angles[0] = 90.;
1237 angles[1] = 0.;
1238 angles[2] = 90.+GetAngles(iplate,istrip);
1239 angles[3] = 90.;
1240 angles[4] = GetAngles(iplate,istrip);
1241 angles[5] = 90.;
1242 }
1243 else if (GetAngles(iplate,istrip)==0.) {
1244 angles[0] = 90.;
1245 angles[1] = 0.;
1246 angles[2] = 90.;
1247 angles[3] = 90.;
1248 angles[4] = 0;
1249 angles[5] = 0.;
1250 }
1251 else if (GetAngles(iplate,istrip) <0.) {
1252 angles[0] = 90.;
1253 angles[1] = 0.;
1254 angles[2] = 90.+GetAngles(iplate,istrip);
1255 angles[3] = 90.;
1256 angles[4] =-GetAngles(iplate,istrip);
1257 angles[5] = 270.;
1258 }
1259 Rotation(posLocal,angles);
1260
1261 step[0] =-0.5*kNpadX*fgkXPad;
1262 step[1] = 0.;
1263 step[2] =-0.5*kNpadZ*fgkZPad;
1264 Translation(posLocal,step);
1265
1266 step[0] = (ipadx+0.5)*fgkXPad;
1267 step[1] = 0.;
1268 step[2] = (ipadz+0.5)*fgkZPad;
1269 Translation(posLocal,step);
1270
1271 xpad=posLocal[0];
1272
1273 return xpad;
1274
1275}
1276//_____________________________________________________________________________
1277Float_t AliTOFGeometryV5::GetPadDy(Float_t *pos)
1278{
1279 //
1280 // Returns the x coordinate in the Pad reference frame
1281 //
1282
1283 Float_t ypad = -2.;
1284
1285 Float_t posLocal[3];
1286 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1287
1288 Int_t isector = GetSector(posLocal);
1289 if(isector == -1){
1290 //AliError("Detector Index could not be determined");
1291 return ypad;}
1292 Int_t iplate = GetPlate(posLocal);
1293 if(iplate == -1){
1294 //AliError("Detector Index could not be determined");
1295 return ypad;}
1296 Int_t istrip = GetStrip(posLocal);
1297 if(istrip == -1){
1298 //AliError("Detector Index could not be determined");
1299 return ypad;}
1300 Int_t ipadz = GetPadZ(posLocal);
1301 if(ipadz == -1){
1302 //AliError("Detector Index could not be determined");
1303 return ypad;}
1304 Int_t ipadx = GetPadX(posLocal);
1305 if(ipadx == -1){
1306 //AliError("Detector Index could not be determined");
1307 return ypad;}
1308
1309 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1310 Double_t angles[6] =
1311 {90., 90.+(isector+0.5)*fPhiSec,
1312 0., 0.,
1313 90., (isector+0.5)*fPhiSec
1314 };
1315 Rotation(posLocal,angles);
1316
1317 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1318 Translation(posLocal,step);
1319
1320 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1321 angles[0] = 90.;
1322 angles[1] = 0.;
1323 angles[2] = 0.;
1324 angles[3] = 0.;
1325 angles[4] = 90.;
1326 angles[5] =270.;
1327
1328 Rotation(posLocal,angles);
1329
1330 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1331 step[0] = 0.;
1332 step[1] = GetHeights(iplate,istrip);
1333 step[2] = -GetDistances(iplate,istrip);
1334 Translation(posLocal,step);
1335
1336 if (GetAngles(iplate,istrip) >0.) {
1337 angles[0] = 90.;
1338 angles[1] = 0.;
1339 angles[2] = 90.+GetAngles(iplate,istrip);
1340 angles[3] = 90.;
1341 angles[4] = GetAngles(iplate,istrip);
1342 angles[5] = 90.;
1343 }
1344 else if (GetAngles(iplate,istrip)==0.) {
1345 angles[0] = 90.;
1346 angles[1] = 0.;
1347 angles[2] = 90.;
1348 angles[3] = 90.;
1349 angles[4] = 0;
1350 angles[5] = 0.;
1351 }
1352 else if (GetAngles(iplate,istrip) <0.) {
1353 angles[0] = 90.;
1354 angles[1] = 0.;
1355 angles[2] = 90.+GetAngles(iplate,istrip);
1356 angles[3] = 90.;
1357 angles[4] =-GetAngles(iplate,istrip);
1358 angles[5] = 270.;
1359 }
1360 Rotation(posLocal,angles);
1361
1362 step[0] =-0.5*kNpadX*fgkXPad;
1363 step[1] = 0.;
1364 step[2] =-0.5*kNpadZ*fgkZPad;
1365 Translation(posLocal,step);
1366
1367 step[0] = (ipadx+0.5)*fgkXPad;
1368 step[1] = 0.;
1369 step[2] = (ipadz+0.5)*fgkZPad;
1370 Translation(posLocal,step);
1371
1372 ypad=posLocal[1];
1373
1374 return ypad;
1375
1376}
1377//_____________________________________________________________________________
1378Float_t AliTOFGeometryV5::GetPadDz(Float_t *pos)
1379{
1380 //
1381 // Returns the x coordinate in the Pad reference frame
1382 //
1383
1384 Float_t zpad = -2.;
1385
1386 Float_t posLocal[3];
1387 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1388
1389 Int_t isector = GetSector(posLocal);
1390 if(isector == -1){
1391 //AliError("Detector Index could not be determined");
1392 return zpad;}
1393 Int_t iplate = GetPlate(posLocal);
1394 if(iplate == -1){
1395 //AliError("Detector Index could not be determined");
1396 return zpad;}
1397 Int_t istrip = GetStrip(posLocal);
1398 if(istrip == -1){
1399 //AliError("Detector Index could not be determined");
1400 return zpad;}
1401 Int_t ipadz = GetPadZ(posLocal);
1402 if(ipadz == -1){
1403 //AliError("Detector Index could not be determined");
1404 return zpad;}
1405 Int_t ipadx = GetPadX(posLocal);
1406 if(ipadx == -1){
1407 //AliError("Detector Index could not be determined");
1408 return zpad;}
1409
1410 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1411 Double_t angles[6] =
1412 {90., 90.+(isector+0.5)*fPhiSec,
1413 0., 0.,
1414 90., (isector+0.5)*fPhiSec
1415 };
1416 Rotation(posLocal,angles);
1417
1418 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1419 Translation(posLocal,step);
1420
1421 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1422 angles[0] = 90.;
1423 angles[1] = 0.;
1424 angles[2] = 0.;
1425 angles[3] = 0.;
1426 angles[4] = 90.;
1427 angles[5] =270.;
1428
1429 Rotation(posLocal,angles);
1430
1431 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1432 step[0] = 0.;
1433 step[1] = GetHeights(iplate,istrip);
1434 step[2] = -GetDistances(iplate,istrip);
1435 Translation(posLocal,step);
1436
1437 if (GetAngles(iplate,istrip) >0.) {
1438 angles[0] = 90.;
1439 angles[1] = 0.;
1440 angles[2] = 90.+GetAngles(iplate,istrip);
1441 angles[3] = 90.;
1442 angles[4] = GetAngles(iplate,istrip);
1443 angles[5] = 90.;
1444 }
1445 else if (GetAngles(iplate,istrip)==0.) {
1446 angles[0] = 90.;
1447 angles[1] = 0.;
1448 angles[2] = 90.;
1449 angles[3] = 90.;
1450 angles[4] = 0;
1451 angles[5] = 0.;
1452 }
1453 else if (GetAngles(iplate,istrip) <0.) {
1454 angles[0] = 90.;
1455 angles[1] = 0.;
1456 angles[2] = 90.+GetAngles(iplate,istrip);
1457 angles[3] = 90.;
1458 angles[4] =-GetAngles(iplate,istrip);
1459 angles[5] = 270.;
1460 }
1461 Rotation(posLocal,angles);
1462
1463 step[0] =-0.5*kNpadX*fgkXPad;
1464 step[1] = 0.;
1465 step[2] =-0.5*kNpadZ*fgkZPad;
1466 Translation(posLocal,step);
1467
1468 step[0] = (ipadx+0.5)*fgkXPad;
1469 step[1] = 0.;
1470 step[2] = (ipadz+0.5)*fgkZPad;
1471 Translation(posLocal,step);
1472
1473 zpad=posLocal[2];
1474
1475 return zpad;
1476
1477}
1478//_____________________________________________________________________________
1479
7aeeaf38 1480void AliTOFGeometryV5::Translation(Float_t *xyz, Float_t translationVector[3]) const
d3c7bfac 1481{
7aeeaf38 1482 //
1483 // Return the vector xyz translated by translationVector vector
1484 //
d3c7bfac 1485
1486 Int_t ii=0;
1487
1488 for (ii=0; ii<3; ii++)
1489 xyz[ii] -= translationVector[ii];
1490
1491 return;
1492
1493}
1494//_____________________________________________________________________________
1495
7aeeaf38 1496void AliTOFGeometryV5::Rotation(Float_t *xyz, Double_t rotationAngles[6]) const
d3c7bfac 1497{
7aeeaf38 1498 //
1499 // Return the vector xyz rotated according to the rotationAngles angles
1500 //
d3c7bfac 1501
1502 Int_t ii=0;
1503 /*
1504 TRotMatrix *matrix = new TRotMatrix("matrix","matrix", angles[0], angles[1],
1505 angles[2], angles[3],
1506 angles[4], angles[5]);
1507 */
1508
1509 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1510
1511 Float_t xyzDummy[3] = {0., 0., 0.};
1512
1513 for (ii=0; ii<3; ii++) {
1514 xyzDummy[ii] =
1515 xyz[0]*TMath::Sin(rotationAngles[2*ii])*TMath::Cos(rotationAngles[2*ii+1]) +
1516 xyz[1]*TMath::Sin(rotationAngles[2*ii])*TMath::Sin(rotationAngles[2*ii+1]) +
1517 xyz[2]*TMath::Cos(rotationAngles[2*ii]);
1518 }
1519
1520 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1521
1522 return;
1523
1524}
1525//_____________________________________________________________________________
7aeeaf38 1526void AliTOFGeometryV5::InverseRotation(Float_t *xyz, Double_t rotationAngles[6]) const
d3c7bfac 1527{
7aeeaf38 1528 //
1529 //
1530 //
d3c7bfac 1531
1532 Int_t ii=0;
1533
1534 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1535
1536 Float_t xyzDummy[3] = {0., 0., 0.};
1537
1538 xyzDummy[0] =
1539 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Cos(rotationAngles[1]) +
1540 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Cos(rotationAngles[3]) +
1541 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Cos(rotationAngles[5]);
1542
1543 xyzDummy[1] =
1544 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Sin(rotationAngles[1]) +
1545 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Sin(rotationAngles[3]) +
1546 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Sin(rotationAngles[5]);
1547
1548 xyzDummy[2] =
1549 xyz[0]*TMath::Cos(rotationAngles[0]) +
1550 xyz[1]*TMath::Cos(rotationAngles[2]) +
1551 xyz[2]*TMath::Cos(rotationAngles[4]);
1552
1553 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1554
1555 return;
1556
1557}
1558//_____________________________________________________________________________
a6a9820c 1559void AliTOFGeometryV5::GetVolumePath(Int_t *ind, Char_t *path ) {
1560 //--------------------------------------------------------------------
1561 // This function returns the colume path of a given pad
1562 //--------------------------------------------------------------------
1563 Int_t sector = ind[0];
1564 Char_t string1[100];
1565 Char_t string2[100];
1566 Char_t string3[100];
1567
1568 Int_t icopy=-1;
06e24a91 1569
1570 if(sector<13){
1571 icopy=sector+5;}
1572 else{ icopy=sector-13;}
1573 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1/FTOA_0/FLTA_0",icopy,icopy);
a6a9820c 1574
1575 Int_t iplate=ind[1];
1576 Int_t istrip=ind[2];
1577 if( iplate==0) icopy=istrip;
1578 if( iplate==1) icopy=istrip+NStripC();
1579 if( iplate==2) icopy=istrip+NStripC()+NStripB();
1580 if( iplate==3) icopy=istrip+NStripC()+NStripB()+NStripA();
1581 if( iplate==4) icopy=istrip+NStripC()+2*NStripB()+NStripA();
1582 icopy++;
1583 sprintf(string2,"FSTR_%i",icopy);
1584 if(fHoles && (sector==11 || sector==12)){
1585 if(iplate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
1586 if(iplate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
1587 }
1588
1589
1590 Int_t padz = ind[3]+1;
1591 Int_t padx = ind[4]+1;
1592 sprintf(string3,"FPCB_1/FSEN_1/FSEZ_%i/FPAD_%i",padz,padx);
1593 sprintf(path,"%s/%s/%s",string1,string2,string3);
1594
1595}
1596//_____________________________________________________________________________
1597void AliTOFGeometryV5::GetPos(Int_t *det, Float_t *pos)
1598{
1599//
1600// Returns space point coor (x,y,z) (cm) for Detector
1601// Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
1602//
1603 Char_t path[100];
1604 GetVolumePath(det,path );
1605 if (!gGeoManager) {
1606 printf("ERROR: no TGeo\n");
1607 }
1608 gGeoManager->cd(path);
1609 TGeoHMatrix global;
1610 global = *gGeoManager->GetCurrentMatrix();
1611 const Double_t *tr = global.GetTranslation();
1612
1613 pos[0]=tr[0];
1614 pos[1]=tr[1];
1615 pos[2]=tr[2];
1616}
1617//_____________________________________________________________________________