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Double precision (Marian). Coding conventions (Federico)
[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$Log$
7aeeaf38 18Revision 1.3 2006/03/12 14:38:05 arcelli
19 Changes for TOF Reconstruction using TGeo
20
a6a9820c 21Revision 1.2 2006/02/28 10:38:00 decaro
22AliTOFGeometry::fAngles, AliTOFGeometry::fHeights, AliTOFGeometry::fDistances arrays: dimension definition in the right location
23
4402e7cb 24Revision 1.1 2005/12/15 08:55:33 decaro
25New TOF geometry description (V5) -G. Cara Romeo and A. De Caro
26
d3c7bfac 27Revision 0.1 2005/07/19 G. Cara Romeo and A. De Caro
28 Modify Global methods IsInsideThePad & DistanceToPad
29 according to the new TOF geometry
30 Implement Global methods GetPadDx & GetPadDy & GetPadDz
31 Implement Private methods Translation & Rotation & InverseRotation
32 Modify Global methods GetDetID & GetPlate & GetSector &
33 GetStrip & GetPadX & GetPadZ
34 according to the new TOF geometry
35 Modify Global methods GetPos & GetX & GetY & GetZ
36 according to the new TOF geometry
37*/
38
39#include <stdlib.h>
40#include <Riostream.h>
41///////////////////////////////////////////////////////////////////////////////
42// //
43// TOF Geometry class (new version) //
44// //
45///////////////////////////////////////////////////////////////////////////////
46
47#include "AliLog.h"
48#include "AliConst.h"
49#include "AliTOFGeometry.h"
50#include "AliTOFGeometryV5.h"
51
52ClassImp(AliTOFGeometryV5)
53
d3c7bfac 54
55const Float_t AliTOFGeometryV5::fgkZlenA = 370.6*2.; // length (cm) of the A module
56const Float_t AliTOFGeometryV5::fgkZlenB = 146.5; // length (cm) of the B module
57const Float_t AliTOFGeometryV5::fgkZlenC = 170.45; // length (cm) of the C module
58const Float_t AliTOFGeometryV5::fgkMaxhZtof = 370.6; // Max half z-size of TOF (cm)
d3c7bfac 59
60const Float_t AliTOFGeometryV5::fgkxTOF = 371.-0.01;// Inner radius of the TOF for Reconstruction (cm)
61const Float_t AliTOFGeometryV5::fgkRmin = 370.-0.01;// Inner radius of the TOF (cm)
62const Float_t AliTOFGeometryV5::fgkRmax = 399.-0.01;// Outer radius of the TOF (cm)
63
64//_____________________________________________________________________________
65AliTOFGeometryV5::AliTOFGeometryV5()
66 :AliTOFGeometry()
67{
68 //
69 // AliTOFGeometryV5 default constructor
70 //
71
7aeeaf38 72 AliTOFGeometry::fNStripC = kNStripC; // number of strips in C type module
d3c7bfac 73
7aeeaf38 74 AliTOFGeometry::fZlenA = fgkZlenA; // length of the TOF supermodule (cm)
75 AliTOFGeometry::fZlenB = fgkZlenB; // length of the B module (cm)
76 AliTOFGeometry::fZlenC = fgkZlenC; // length of the C module (cm)
77 AliTOFGeometry::fMaxhZtof = fgkMaxhZtof; // Max half z-size of TOF supermodule (cm)
d3c7bfac 78
7aeeaf38 79 AliTOFGeometry::fxTOF = fgkxTOF; // Inner radius of the TOF for Reconstruction (cm)
80 AliTOFGeometry::fRmin = fgkRmin; // Inner radius of the TOF (cm)
81 AliTOFGeometry::fRmax = fgkRmax; // Outer radius of the TOF (cm)
d3c7bfac 82
83 Init();
84
85}
86
87//_____________________________________________________________________________
88AliTOFGeometryV5::~AliTOFGeometryV5()
89{
90 //
91 // AliTOFGeometryV5 destructor
92 //
93
94}
95//_____________________________________________________________________________
a6a9820c 96void AliTOFGeometryV5::ImportGeometry(){
97 TGeoManager::Import("geometry.root");
98}
99//_____________________________________________________________________________
d3c7bfac 100void AliTOFGeometryV5::Init()
101{
102 //
103 // Initialize strip Tilt Angles, Heights and Distances
104 //
105 // Strips Tilt Angles
106
107 // For each strip to be positoned in FLTA/FLTB/FLTC,
108 // define 3 arrays containing:
109 // the angle of the normal with respect to the Y axis of FLTA/FLTB/FLTC
110 // the Y of the center with respect to the FLTA/FLTB/FLTC reference frame
111 // the Z of the center with respect to the BT01/BT02/BT03 reference frame
112
113
7aeeaf38 114 fPhiSec = 360./kNSectors;
115
d3c7bfac 116 Float_t const kangles[kNPlates][kMaxNstrip] ={
117 { 43.99, 43.20, 42.40, 41.59, 40.77, 39.94, 39.11, 38.25, 37.40, 36.53,
4402e7cb 118 35.65, 34.76, 33.87, 32.96, 32.05, 31.13, 30.19, 29.24, 12.33, 0.00},
d3c7bfac 119
120 { 27.26, 26.28, 25.30, 24.31, 23.31, 22.31, 21.30, 20.29, 19.26, 18.24,
4402e7cb 121 17.20, 16.16, 15.11, 14.05, 13.00, 11.93, 10.87, 9.80, 8.74, 0.00},
d3c7bfac 122
123 { 0.00, 6.30, 5.31, 4.25, 3.19, 2.12, 1.06, 0.00, -1.06, -2.12,
4402e7cb 124 -3.19, -4.25, -5.31, -6.30, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00},
d3c7bfac 125
126 { -8.74, -9.80, -10.87, -11.93, -13.00, -14.05, -15.11, -16.16, -17.20, -18.24,
4402e7cb 127 -19.26, -20.29, -21.30, -22.31, -23.31, -24.31, -25.30, -26.28, -27.26, 0.00},
d3c7bfac 128
129 {-12.33, -29.24, -30.19, -31.13, -32.05, -32.96, -33.87, -34.76, -35.65, -36.53,
4402e7cb 130 -37.40, -38.25, -39.11, -39.94, -40.77, -41.59, -42.40, -43.20, -43.99, 0.00}
d3c7bfac 131 };
132
133 Float_t const kheights[kNPlates][kMaxNstrip]= {
134 {-8.2, -7.5, -8.2, -7.7, -8.1, -7.6, -7.7, -7.7, -7.7, -7.7,
4402e7cb 135 -7.5, -7.2, -7.3, -7.5, -7.6, -7.8, -8.3, -9.3, -3.1, 0.0},
d3c7bfac 136
137 {-7.9, -8.1, -8.5, -9.0, -10.1, -3.9, -5.9, -7.7, -10.1, -3.6,
4402e7cb 138 -5.8, -8.0, -10.4, -4.4, -7.2, -10.2, -4.6, -7.4, -10.4, 0.0},
d3c7bfac 139
140 {-2.5, -10.4, -5.0, -9.9, -4.8, -9.9, -4.7, -10.2, -4.7, -9.9,
4402e7cb 141 -4.8, -9.9, -5.0, -10.4, -2.5, 0.0, 0.0, 0.0, 0.0, 0.0},
d3c7bfac 142
143 {-10.4, -7.4, -4.6, -10.2, -7.2, -4.4, -10.4, -8.0, -5.8, -3.6,
4402e7cb 144 -10.1, -7.7, -5.9, -3.9, -10.1, -9.0, -8.5, -8.1, -7.9, 0.0},
d3c7bfac 145
146 { -3.1, -9.3, -8.3, -7.8, -7.6, -7.5, -7.3, -7.2, -7.5, -7.7,
4402e7cb 147 -7.7, -7.7, -7.7, -7.6, -8.1, -7.7, -8.2, -7.5, -8.2, 0.0}
d3c7bfac 148 };
149
150
151 Float_t const kdistances[kNPlates][kMaxNstrip]= {
152 { 364.1, 354.9, 344.5, 335.4, 325.5, 316.6, 307.2, 298.0, 288.9, 280.0,
4402e7cb 153 271.3, 262.7, 254.0, 244.8, 236.1, 227.7, 219.1, 210.3, 205.7, 0.0},
d3c7bfac 154
155 { 194.2, 186.1, 177.9, 169.8, 161.5, 156.3, 147.8, 139.4, 130.9, 125.6,
4402e7cb 156 117.3, 109.2, 101.1, 95.3, 87.1, 79.2, 73.0, 65.1, 57.6, 0.0},
d3c7bfac 157
158 { 49.5, 41.3, 35.3, 27.8, 21.2, 13.9, 7.0, 0.0, -7.0, -13.9,
4402e7cb 159 -21.2, -27.8, -35.3, -41.3, -49.5, 0.0, 0.0, 0.0, 0.0, 0.0},
d3c7bfac 160
161 { -57.6, -65.1, -73.0, -79.2, -87.1, -95.3, -101.1, -109.2, -117.3, -125.6,
4402e7cb 162 -130.9, -139.4, -147.8, -156.3, -161.5, -169.8, -177.9, -186.1, -194.2, 0.0},
d3c7bfac 163
164 {-205.7, -210.3, -219.1, -227.7, -236.1, -244.8, -254.0, -262.7, -271.3, -280.0,
4402e7cb 165 -288.9, -298.0, -307.2, -316.6, -325.5, -335.4, -344.5, -354.9, -364.1, 0.0}
d3c7bfac 166 };
167
168
d3c7bfac 169 for (Int_t iplate = 0; iplate < kNPlates; iplate++) {
170 for (Int_t istrip = 0; istrip < kMaxNstrip; istrip++) {
171 AliTOFGeometry::fAngles[iplate][istrip] = kangles[iplate][istrip];
172 AliTOFGeometry::fHeights[iplate][istrip] = kheights[iplate][istrip];
173 AliTOFGeometry::fDistances[iplate][istrip]= kdistances[iplate][istrip];
174 }
175 }
176
177}
178
179//_____________________________________________________________________________
7aeeaf38 180Float_t AliTOFGeometryV5::DistanceToPadPar(Int_t *det, Float_t *pos, Float_t *dist3d) const
d3c7bfac 181{
182//
183// Returns distance of space point with coor pos (x,y,z) (cm) wrt
184// pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
185//
186
187 //Transform pos into Sector Frame
188
189 Float_t x = pos[0];
190 Float_t y = pos[1];
191 Float_t z = pos[2];
192
193 Float_t radius = TMath::Sqrt(x*x+y*y);
194 //Float_t phi=TMath::ATan(y/x);
195 //if(phi<0) phi = k2PI+phi; //2.*TMath::Pi()+phi;
196 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
197 // Get the local angle in the sector philoc
198 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fPhiSec) + 0.5)*fPhiSec;
199 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
200 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
201 Float_t zs = z;
202
203 // Do the same for the selected pad
204
205 Float_t g[3];
a6a9820c 206 GetPosPar(det,g);
d3c7bfac 207
208 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
209 //Float_t padPhi = TMath::ATan(g[1]/g[0]);
210 //if(padPhi<0) padPhi = k2Pi + padPhi;
211 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
212
213 // Get the local angle in the sector philoc
214 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fPhiSec)+ 0.5) * fPhiSec;
215 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
216 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
217 Float_t padzs = g[2];
218
219 //Now move to local pad coordinate frame. Translate:
220
221 Float_t xt = xs-padxs;
222 Float_t yt = ys-padys;
223 Float_t zt = zs-padzs;
224 //Now Rotate:
225
226 Float_t alpha = GetAngles(det[1],det[2]);
227 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
228 Float_t yr = yt;
229 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
230
231 Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr);
232
233 if (dist3d){
234 dist3d[0] = xr;
235 dist3d[1] = yr;
236 dist3d[2] = zr;
237 }
238
239 return dist;
240
241}
242
243//_____________________________________________________________________________
7aeeaf38 244Bool_t AliTOFGeometryV5::IsInsideThePadPar(Int_t *det, Float_t *pos) const
d3c7bfac 245{
246//
247// Returns true if space point with coor pos (x,y,z) (cm) falls
248// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
249//
250
251 Bool_t isInside=false;
252
253 /*
254 const Float_t khhony = 1.0 ; // heigth of HONY Layer
255 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
256 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
257 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
258 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
259 //const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
260 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
261 //const Float_t kwstripz = kwcpcbz;
262 //const Float_t klstripx = fgkStripLength;
263 */
264
a6a9820c 265 const Float_t khsensmy = 0.5;//0.05;//0.11;//0.16;// // heigth of Sensitive Layer
d3c7bfac 266
267 //Transform pos into Sector Frame
268
269 Float_t x = pos[0];
270 Float_t y = pos[1];
271 Float_t z = pos[2];
272
273 Float_t radius = TMath::Sqrt(x*x+y*y);
274 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
275
276 // Get the local angle in the sector philoc
277 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fPhiSec) + 0.5) *fPhiSec;
278 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
279 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
280 Float_t zs = z;
281
282 // Do the same for the selected pad
283
284 Float_t g[3];
a6a9820c 285 GetPosPar(det,g);
d3c7bfac 286
287 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
288 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
289
290 // Get the local angle in the sector philoc
291 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fPhiSec)+ 0.5) * fPhiSec;
292 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
293 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
294 Float_t padzs = g[2];
295
296 //Now move to local pad coordinate frame. Translate:
297
298 Float_t xt = xs-padxs;
299 Float_t yt = ys-padys;
300 Float_t zt = zs-padzs;
301
302 //Now Rotate:
303
304 Float_t alpha = GetAngles(det[1],det[2]);
305 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
306 Float_t yr = yt;
307 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
308
d3c7bfac 309 if(TMath::Abs(xr)<=khsensmy*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
d3c7bfac 310 isInside=true;
311 return isInside;
312
313}
314
a6a9820c 315
316//_____________________________________________________________________________
7aeeaf38 317Float_t AliTOFGeometryV5::DistanceToPad(Int_t *det, TGeoHMatrix mat, Float_t *pos, Float_t *dist3d) const
a6a9820c 318{
319//
320// Returns distance of space point with coor pos (x,y,z) (cm) wrt
321// pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
322//
323 if (!gGeoManager) {
324 printf("ERROR: no TGeo\n");
325 return 0.;
326 }
327 Double_t vecg[3];
328 vecg[0]=pos[0];
329 vecg[1]=pos[1];
330 vecg[2]=pos[2];
331 Double_t veclr[3]={-1.,-1.,-1.};
332 Double_t vecl[3]={-1.,-1.,-1.};
333 mat.MasterToLocal(vecg,veclr);
334 vecl[0]=veclr[1];
335 vecl[1]=veclr[0];
336 //take into account reflections
337 if(det[1]>-1)vecl[2]=-veclr[2];
338
339 Float_t dist = TMath::Sqrt(vecl[0]*vecl[0]+vecl[1]*vecl[1]+vecl[2]*vecl[2]);
340
341
342 if (dist3d){
343 dist3d[0] = vecl[0];
344 dist3d[1] = vecl[1];
345 dist3d[2] = vecl[2];
346 }
347
348 return dist;
349
350}
351
352
353//_____________________________________________________________________________
7aeeaf38 354Bool_t AliTOFGeometryV5::IsInsideThePad( Int_t *det, TGeoHMatrix mat, Float_t *pos) const
a6a9820c 355{
356//
357// Returns true if space point with coor pos (x,y,z) (cm) falls
358// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
359//
360
361 const Float_t khsensmy = 0.5; // heigth of Sensitive Layer
362 Double_t vecg[3];
363 vecg[0]=pos[0];
364 vecg[1]=pos[1];
365 vecg[2]=pos[2];
366 Double_t veclr[3]={-1.,-1.,-1.};
367 Double_t vecl[3]={-1.,-1.,-1.};
368 mat.MasterToLocal(vecg,vecl);
369 vecl[0]=veclr[1];
370 vecl[1]=veclr[0];
371 //take into account reflections
372 if(det[1]>-1)vecl[2]=-veclr[2];
373
374 Float_t xr = vecl[0];
375 Float_t yr = vecl[1];
376 Float_t zr = vecl[2];
377
378 Bool_t isInside=false;
379 if(TMath::Abs(xr)<= khsensmy*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
380 isInside=true;
381 return isInside;
382
383}
384//_____________________________________________________________________________
d3c7bfac 385//_____________________________________________________________________________
7aeeaf38 386Float_t AliTOFGeometryV5::GetX(Int_t *det) const
d3c7bfac 387{
388 //
389 // Returns X coordinate (cm)
390 //
391
392 Int_t isector = det[0];
393 Int_t iplate = det[1];
394 Int_t istrip = det[2];
395 Int_t ipadz = det[3];
396 Int_t ipadx = det[4];
397
398 /*
399 // Find out distance d on the plane wrt median phi:
400 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
401
402 // The radius r in xy plane:
403 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
404 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
405 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
406 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
407
408 // local azimuthal angle in the sector philoc
409 Float_t philoc = TMath::ATan(d/r);
410 //if(philoc<0.) philoc = k2PI + philoc;
411
412 // azimuthal angle in the global frame phi
413 Float_t phi = philoc*kRaddeg+(isector+0.5)*fPhiSec;
414
415 Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
416 */
417
418 // Pad reference frame -> FSTR reference frame
419 // /*
420 Float_t posLocal[3] = {0., 0., 0.};
421 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
422 Translation(posLocal,step);
423
424 step[0] = kNpadX*0.5*fgkXPad;
425 step[1] = 0.;
426 step[2] = kNpadZ*0.5*fgkZPad;
427 // */
428 /*
429 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
430 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
431 */
432 Translation(posLocal,step);
433
434 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
435 Double_t angles[6];
436 if (GetAngles(iplate,istrip) >0.) {
437 angles[0] = 90.;
438 angles[1] = 0.;
439 angles[2] = 90.+GetAngles(iplate,istrip);
440 angles[3] = 90.;
441 angles[4] = GetAngles(iplate,istrip);
442 angles[5] = 90.;
443 }
444 else if (GetAngles(iplate,istrip)==0.) {
445 angles[0] = 90.;
446 angles[1] = 0.;
447 angles[2] = 90.;
448 angles[3] = 90.;
449 angles[4] = 0;
450 angles[5] = 0.;
451 }
452 else if (GetAngles(iplate,istrip) <0.) {
453 angles[0] = 90.;
454 angles[1] = 0.;
455 angles[2] = 90.+GetAngles(iplate,istrip);
456 angles[3] = 90.;
457 angles[4] =-GetAngles(iplate,istrip);
458 angles[5] = 270.;
459 }
460
461 InverseRotation(posLocal,angles);
462
463 step[0] = 0.;
464 step[1] = -GetHeights(iplate,istrip);
465 step[2] = GetDistances(iplate,istrip);
466 Translation(posLocal,step);
467
468 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
469 angles[0] = 90.;
470 angles[1] = 0.;
471 angles[2] = 0.;
472 angles[3] = 0.;
473 angles[4] = 90.;
474 angles[5] =270.;
475
476 InverseRotation(posLocal,angles);
477
478 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
479 step[0] = 0.;
480 step[1] = 0.;
481 step[2] = -((fgkRmax+fgkRmin)*0.5);
482 Translation(posLocal,step);
483
484 angles[0] = 90.;
485 angles[1] = 90.+(isector+0.5)*fPhiSec;
486 angles[2] = 0.;
487 angles[3] = 0.;
488 angles[4] = 90.;
489 angles[5] = (isector+0.5)*fPhiSec;
490
491 InverseRotation(posLocal,angles);
492
493 Float_t xCoor = posLocal[0];
494
495 return xCoor;
496
497}
498//_____________________________________________________________________________
7aeeaf38 499Float_t AliTOFGeometryV5::GetY(Int_t *det) const
d3c7bfac 500{
501 //
502 // Returns Y coordinate (cm)
503 //
504
505 Int_t isector = det[0];
506 Int_t iplate = det[1];
507 Int_t istrip = det[2];
508 Int_t ipadz = det[3];
509 Int_t ipadx = det[4];
510
511 /*
512 // Find out distance d on the plane wrt median phi:
513 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
514
515 // The radius r in xy plane:
516 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
517 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
518 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
519 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
520
521 // local azimuthal angle in the sector philoc
522 Float_t philoc = TMath::ATan(d/r);
523 //if(philoc<0.) philoc = k2PI + philoc;
524
525 // azimuthal angle in the global frame phi
526 Float_t phi = philoc*kRaddeg+(isector+0.5)*fPhiSec;
527
528 Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
529 */
530
531 // Pad reference frame -> FSTR reference frame
532 // /*
533 Float_t posLocal[3] = {0., 0., 0.};
534 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
535 Translation(posLocal,step);
536
537 step[0] = kNpadX*0.5*fgkXPad;
538 step[1] = 0.;
539 step[2] = kNpadZ*0.5*fgkZPad;
540 // */
541 /*
542 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
543 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
544 */
545 Translation(posLocal,step);
546
547 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
548
549 Double_t angles[6];
550 if (GetAngles(iplate,istrip) >0.) {
551 angles[0] = 90.;
552 angles[1] = 0.;
553 angles[2] = 90.+GetAngles(iplate,istrip);
554 angles[3] = 90.;
555 angles[4] = GetAngles(iplate,istrip);
556 angles[5] = 90.;
557 }
558 else if (GetAngles(iplate,istrip)==0.) {
559 angles[0] = 90.;
560 angles[1] = 0.;
561 angles[2] = 90.;
562 angles[3] = 90.;
563 angles[4] = 0;
564 angles[5] = 0.;
565 }
566 else if (GetAngles(iplate,istrip) <0.) {
567 angles[0] = 90.;
568 angles[1] = 0.;
569 angles[2] = 90.+GetAngles(iplate,istrip);
570 angles[3] = 90.;
571 angles[4] =-GetAngles(iplate,istrip);
572 angles[5] = 270.;
573 }
574
575 InverseRotation(posLocal,angles);
576
577 step[0] = 0.;
578 step[1] = -GetHeights(iplate,istrip);
579 step[2] = GetDistances(iplate,istrip);
580 Translation(posLocal,step);
581
582 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
583 angles[0] = 90.;
584 angles[1] = 0.;
585 angles[2] = 0.;
586 angles[3] = 0.;
587 angles[4] = 90.;
588 angles[5] =270.;
589
590 InverseRotation(posLocal,angles);
591
592 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
593 step[0] = 0.;
594 step[1] = 0.;
595 step[2] = -((fgkRmax+fgkRmin)*0.5);
596 Translation(posLocal,step);
597
598 angles[0] = 90.;
599 angles[1] = 90.+(isector+0.5)*fPhiSec;
600 angles[2] = 0.;
601 angles[3] = 0.;
602 angles[4] = 90.;
603 angles[5] = (isector+0.5)*fPhiSec;
604
605 InverseRotation(posLocal,angles);
606
607 Float_t yCoor = posLocal[1];
608
609 return yCoor;
610
611}
612
613//_____________________________________________________________________________
7aeeaf38 614Float_t AliTOFGeometryV5::GetZ(Int_t *det) const
d3c7bfac 615{
616 //
617 // Returns Z coordinate (cm)
618 //
619
620 Int_t isector = det[0];
621 Int_t iplate = det[1];
622 Int_t istrip = det[2];
623 Int_t ipadz = det[3];
624 Int_t ipadx = det[4];
625
626 /*
627 Float_t zCoor = GetDistances(iplate,istrip) +
628 (0.5-ipadz) * fgkZPad * TMath::Cos(GetAngles(iplate,istrip)*kDegrad);
629 */
630
631 // Pad reference frame -> FSTR reference frame
632 // /*
633 Float_t posLocal[3] = {0., 0., 0.};
634 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
635 Translation(posLocal,step);
636
637 step[0] = kNpadX*0.5*fgkXPad;
638 step[1] = 0.;
639 step[2] = kNpadZ*0.5*fgkZPad;
640 // */
641 /*
642 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
643 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
644 */
645 Translation(posLocal,step);
646
647 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
648 Double_t angles[6];
649 if (GetAngles(iplate,istrip) >0.) {
650 angles[0] = 90.;
651 angles[1] = 0.;
652 angles[2] = 90.+GetAngles(iplate,istrip);
653 angles[3] = 90.;
654 angles[4] = GetAngles(iplate,istrip);
655 angles[5] = 90.;
656 }
657 else if (GetAngles(iplate,istrip)==0.) {
658 angles[0] = 90.;
659 angles[1] = 0.;
660 angles[2] = 90.;
661 angles[3] = 90.;
662 angles[4] = 0;
663 angles[5] = 0.;
664 }
665 else if (GetAngles(iplate,istrip) <0.) {
666 angles[0] = 90.;
667 angles[1] = 0.;
668 angles[2] = 90.+GetAngles(iplate,istrip);
669 angles[3] = 90.;
670 angles[4] =-GetAngles(iplate,istrip);
671 angles[5] = 270.;
672 }
673
674 InverseRotation(posLocal,angles);
675
676 step[0] = 0.;
677 step[1] = -GetHeights(iplate,istrip);
678 step[2] = GetDistances(iplate,istrip);
679 Translation(posLocal,step);
680
681 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
682 angles[0] = 90.;
683 angles[1] = 0.;
684 angles[2] = 0.;
685 angles[3] = 0.;
686 angles[4] = 90.;
687 angles[5] =270.;
688
689 InverseRotation(posLocal,angles);
690
691 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
692 step[0] = 0.;
693 step[1] = 0.;
694 step[2] = -((fgkRmax+fgkRmin)*0.5);
695 Translation(posLocal,step);
696
697 angles[0] = 90.;
698 angles[1] = 90.+(isector+0.5)*fPhiSec;
699 angles[2] = 0.;
700 angles[3] = 0.;
701 angles[4] = 90.;
702 angles[5] = (isector+0.5)*fPhiSec;
703
704 InverseRotation(posLocal,angles);
705
706 Float_t zCoor = posLocal[2];
707
708 return zCoor;
709
710}
711
712//_____________________________________________________________________________
7aeeaf38 713Int_t AliTOFGeometryV5::GetSector(Float_t *pos) const
d3c7bfac 714{
715 //
716 // Returns the Sector index
717 //
718
719 //const Float_t khAlWall = 0.1;
720 //const Float_t kModuleWallThickness = 0.3;
721
722 Int_t iSect = -1;
723
724 Float_t x = pos[0];
725 Float_t y = pos[1];
726 Float_t z = pos[2];
727
728 Float_t rho = TMath::Sqrt(x*x + y*y);
729
730 //if (!((z>=-fgkMaxhZtof && z<=fgkMaxhZtof) &&
731 if (!((z>=-fgkZlenA*0.5 && z<=fgkZlenA*0.5) &&
732 (rho>=(fgkRmin) && rho<=(fgkRmax)))) {
733 //(rho>=(fgkRmin-0.05)+kModuleWallThickness && rho<=(fgkRmax-0.05)-kModuleWallThickness-khAlWall-kModuleWallThickness))) {
734 //AliError("Detector Index could not be determined");
735 return iSect;
736 }
737
738 Float_t phi = TMath::Pi() + TMath::ATan2(-y,-x);
739
740 iSect = (Int_t) (phi*kRaddeg/fPhiSec);
741
742 return iSect;
743
744}
745//_____________________________________________________________________________
746
7aeeaf38 747Int_t AliTOFGeometryV5::GetPlate(Float_t *pos) const
d3c7bfac 748{
749 //
750 // Returns the Plate index
751 //
752 const Float_t kInterCentrModBorder1 = 49.5;
753 const Float_t kInterCentrModBorder2 = 57.5;
754 const Float_t kExterInterModBorder1 = 196.0;
755 const Float_t kExterInterModBorder2 = 203.5;
756
757 const Float_t kLengthExInModBorder = 4.7;
758 const Float_t kLengthInCeModBorder = 7.0;
759
760 //const Float_t khAlWall = 0.1;
761 const Float_t kModuleWallThickness = 0.3;
762 //const Float_t kHoneycombLayerThickness = 1.5;
763
764 Int_t iPlate=-1;
765
766 Float_t posLocal[3];
767 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
768
769 Int_t isector = GetSector(posLocal);
770 if(isector == -1){
771 //AliError("Detector Index could not be determined");
772 return iPlate;
773 }
774
775 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
776 Double_t angles[6] =
777 {90., 90.+(isector+0.5)*fPhiSec,
778 0., 0.,
779 90., (isector+0.5)*fPhiSec
780 };
781 Rotation(posLocal,angles);
782
783 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
784 Translation(posLocal,step);
785
786 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
787 angles[0] = 90.;
788 angles[1] = 0.;
789 angles[2] = 0.;
790 angles[3] = 0.;
791 angles[4] = 90.;
792 angles[5] =270.;
793
794 Rotation(posLocal,angles);
795
796 Float_t yLocal = posLocal[1];
797 Float_t zLocal = posLocal[2];
798
799 Float_t deltaRhoLoc = (fgkRmax-fgkRmin)*0.5 - kModuleWallThickness + yLocal;
800 Float_t deltaZetaLoc = TMath::Abs(zLocal);
801
802 Float_t deltaRHOmax = 0.;
803
804 if (TMath::Abs(zLocal)>=kExterInterModBorder1 && TMath::Abs(zLocal)<=kExterInterModBorder2)
805 {
806 deltaRhoLoc -= kLengthExInModBorder;
807 deltaZetaLoc = kExterInterModBorder2-deltaZetaLoc;
808 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthExInModBorder; // old 5.35, new 4.8
809
810 if (deltaRhoLoc > deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) {
811 if (zLocal<0) iPlate = 0;
812 else iPlate = 4;
813 }
814 else {
815 if (zLocal<0) iPlate = 1;
816 else iPlate = 3;
817 }
818 }
819 else if (TMath::Abs(zLocal)>=kInterCentrModBorder1 && TMath::Abs(zLocal)<=kInterCentrModBorder2)
820 {
821 deltaRhoLoc -= kLengthInCeModBorder;
822 deltaZetaLoc = deltaZetaLoc-kInterCentrModBorder1;
823 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthInCeModBorder; // old 0.39, new 0.2
824
825 if (deltaRhoLoc>deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) iPlate = 2;
826 else {
827 if (zLocal<0) iPlate = 1;
828 else iPlate = 3;
829 }
830 }
831
832 if (zLocal>-fgkZlenA*0.5/*fgkMaxhZtof*/ && zLocal<-kExterInterModBorder2) iPlate = 0;
833 else if (zLocal>-kExterInterModBorder1 && zLocal<-kInterCentrModBorder2) iPlate = 1;
834 else if (zLocal>-kInterCentrModBorder1 && zLocal< kInterCentrModBorder1) iPlate = 2;
835 else if (zLocal> kInterCentrModBorder2 && zLocal< kExterInterModBorder1) iPlate = 3;
836 else if (zLocal> kExterInterModBorder2 && zLocal< fgkZlenA*0.5/*fgkMaxhZtof*/) iPlate = 4;
837
838 return iPlate;
839
840}
841
842//_____________________________________________________________________________
7aeeaf38 843Int_t AliTOFGeometryV5::GetStrip(Float_t *pos) const
d3c7bfac 844{
845 //
846 // Returns the Strip index
847 //
848 const Float_t khhony = 1.0 ; // heigth of HONY Layer
849 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
850 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
851 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
852 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
853 const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
854 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
855 const Float_t kwstripz = kwcpcbz;
856 const Float_t klstripx = fgkStripLength;
857
858 Int_t iStrip=-1;
859
860 Float_t posLocal[3];
861 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
862
863 Int_t isector = GetSector(posLocal);
864 if(isector == -1){
865 //AliError("Detector Index could not be determined");
866 return iStrip;}
867 Int_t iplate = GetPlate(posLocal);
868 if(iplate == -1){
869 //AliError("Detector Index could not be determined");
870 return iStrip;}
871
872 Int_t nstrips=0;
873 switch (iplate) {
874 case 0:
875 nstrips=kNStripC;
876 break;
877 case 4:
878 nstrips=kNStripC;
879 break;
880 case 1:
881 nstrips=kNStripB;
882 break;
883 case 3:
884 nstrips=kNStripB;
885 break;
886 case 2:
887 nstrips=kNStripA;
888 break;
889 }
890
891 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
892 Double_t angles[6] =
893 {90., 90.+(isector+0.5)*fPhiSec,
894 0., 0.,
895 90., (isector+0.5)*fPhiSec
896 };
897 Rotation(posLocal,angles);
898
899 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
900 Translation(posLocal,step);
901
902 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
903 angles[0] = 90.;
904 angles[1] = 0.;
905 angles[2] = 0.;
906 angles[3] = 0.;
907 angles[4] = 90.;
908 angles[5] =270.;
909
910 Rotation(posLocal,angles);
911
912 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
913 Int_t totStrip=0;
914 for (Int_t istrip=0; istrip<nstrips; istrip++){
915
916 Float_t posLoc2[3]={posLocal[0],posLocal[1],posLocal[2]};
917
918 step[0] = 0.;
919 step[1] = GetHeights(iplate,istrip);
920 step[2] = -GetDistances(iplate,istrip);
921 Translation(posLoc2,step);
922
923 if (GetAngles(iplate,istrip) >0.) {
924 angles[0] = 90.;
925 angles[1] = 0.;
926 angles[2] = 90.+GetAngles(iplate,istrip);
927 angles[3] = 90.;
928 angles[4] = GetAngles(iplate,istrip);
929 angles[5] = 90.;
930 }
931 else if (GetAngles(iplate,istrip)==0.) {
932 angles[0] = 90.;
933 angles[1] = 0.;
934 angles[2] = 90.;
935 angles[3] = 90.;
936 angles[4] = 0;
937 angles[5] = 0.;
938 }
939 else if (GetAngles(iplate,istrip) <0.) {
940 angles[0] = 90.;
941 angles[1] = 0.;
942 angles[2] = 90.+GetAngles(iplate,istrip);
943 angles[3] = 90.;
944 angles[4] =-GetAngles(iplate,istrip);
945 angles[5] = 270.;
946 }
947 Rotation(posLoc2,angles);
948
949 if ((TMath::Abs(posLoc2[0])<=klstripx*0.5) &&
950 (TMath::Abs(posLoc2[1])<=khstripy*0.5) &&
951 (TMath::Abs(posLoc2[2])<=kwstripz*0.5)) {
952 iStrip = istrip;
953 totStrip++;
954 for (Int_t jj=0; jj<3; jj++) posLocal[jj]=posLoc2[jj];
955 //AliInfo(Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ", posLocal[0],posLocal[1],posLocal[2]));
956
957 //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]));
958 break;
959 }
960
961 if (totStrip>1) AliInfo(Form("total strip number found %2i",totStrip));
962
963 }
964
965 return iStrip;
966
967}
968//_____________________________________________________________________________
7aeeaf38 969Int_t AliTOFGeometryV5::GetPadZ(Float_t *pos) const
d3c7bfac 970{
971 //
972 // Returns the Pad index along Z
973 //
974 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
975 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
976 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
977
978 Int_t iPadZ = -1;
979
980 Float_t posLocal[3];
981 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
982
983 Int_t isector = GetSector(posLocal);
984 if(isector == -1){
985 //AliError("Detector Index could not be determined");
986 return iPadZ;}
987 Int_t iplate = GetPlate(posLocal);
988 if(iplate == -1){
989 //AliError("Detector Index could not be determined");
990 return iPadZ;}
991 Int_t istrip = GetStrip(posLocal);
992 if(istrip == -1){
993 //AliError("Detector Index could not be determined");
994 return iPadZ;}
995
996 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
997 Double_t angles[6] =
998 {90., 90.+(isector+0.5)*fPhiSec,
999 0., 0.,
1000 90., (isector+0.5)*fPhiSec
1001 };
1002 Rotation(posLocal,angles);
1003
1004 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1005 Translation(posLocal,step);
1006
1007 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
1008 angles[0] = 90.;
1009 angles[1] = 0.;
1010 angles[2] = 0.;
1011 angles[3] = 0.;
1012 angles[4] = 90.;
1013 angles[5] =270.;
1014
1015 Rotation(posLocal,angles);
1016
1017 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1018 step[0] = 0.;
1019 step[1] = GetHeights(iplate,istrip);
1020 step[2] = -GetDistances(iplate,istrip);
1021 Translation(posLocal,step);
1022
1023 if (GetAngles(iplate,istrip) >0.) {
1024 angles[0] = 90.;
1025 angles[1] = 0.;
1026 angles[2] = 90.+GetAngles(iplate,istrip);
1027 angles[3] = 90.;
1028 angles[4] = GetAngles(iplate,istrip);
1029 angles[5] = 90.;
1030 }
1031 else if (GetAngles(iplate,istrip)==0.) {
1032 angles[0] = 90.;
1033 angles[1] = 0.;
1034 angles[2] = 90.;
1035 angles[3] = 90.;
1036 angles[4] = 0;
1037 angles[5] = 0.;
1038 }
1039 else 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] = 270.;
1046 }
1047 Rotation(posLocal,angles);
1048
1049 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
1050 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
1051
1052 step[0] =-0.5*kNpadX*fgkXPad;
1053 step[1] = 0.;
1054 step[2] =-0.5*kNpadZ*fgkZPad;
1055 Translation(posLocal,step);
1056
1057 iPadZ = (Int_t)(posLocal[2]/fgkZPad);
1058 if (iPadZ==kNpadZ) iPadZ--;
1059 else if (iPadZ>kNpadZ) iPadZ=-1;
1060
1061 //}
1062 // else AliError("Detector Index could not be determined");
1063
1064 return iPadZ;
1065
1066}
1067//_____________________________________________________________________________
7aeeaf38 1068Int_t AliTOFGeometryV5::GetPadX(Float_t *pos) const
d3c7bfac 1069{
1070 //
1071 // Returns the Pad index along X
1072 //
1073 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
1074 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
1075 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
1076
1077 Int_t iPadX = -1;
1078
1079 Float_t posLocal[3];
1080 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1081
1082 Int_t isector = GetSector(posLocal);
1083 if(isector == -1){
1084 //AliError("Detector Index could not be determined");
1085 return iPadX;}
1086 Int_t iplate = GetPlate(posLocal);
1087 if(iplate == -1){
1088 //AliError("Detector Index could not be determined");
1089 return iPadX;}
1090 Int_t istrip = GetStrip(posLocal);
1091 if(istrip == -1){
1092 //AliError("Detector Index could not be determined");
1093 return iPadX;}
1094
1095 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1096 Double_t angles[6] =
1097 {90., 90.+(isector+0.5)*fPhiSec,
1098 0., 0.,
1099 90., (isector+0.5)*fPhiSec
1100 };
1101 Rotation(posLocal,angles);
1102
1103 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1104 Translation(posLocal,step);
1105
1106 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1107 angles[0] = 90.;
1108 angles[1] = 0.;
1109 angles[2] = 0.;
1110 angles[3] = 0.;
1111 angles[4] = 90.;
1112 angles[5] =270.;
1113
1114 Rotation(posLocal,angles);
1115
1116 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1117 step[0] = 0.;
1118 step[1] = GetHeights(iplate,istrip);
1119 step[2] = -GetDistances(iplate,istrip);
1120 Translation(posLocal,step);
1121
1122 if (GetAngles(iplate,istrip) >0.) {
1123 angles[0] = 90.;
1124 angles[1] = 0.;
1125 angles[2] = 90.+GetAngles(iplate,istrip);
1126 angles[3] = 90.;
1127 angles[4] = GetAngles(iplate,istrip);
1128 angles[5] = 90.;
1129 }
1130 else if (GetAngles(iplate,istrip)==0.) {
1131 angles[0] = 90.;
1132 angles[1] = 0.;
1133 angles[2] = 90.;
1134 angles[3] = 90.;
1135 angles[4] = 0;
1136 angles[5] = 0.;
1137 }
1138 else if (GetAngles(iplate,istrip) <0.) {
1139 angles[0] = 90.;
1140 angles[1] = 0.;
1141 angles[2] = 90.+GetAngles(iplate,istrip);
1142 angles[3] = 90.;
1143 angles[4] =-GetAngles(iplate,istrip);
1144 angles[5] = 270.;
1145 }
1146 Rotation(posLocal,angles);
1147
1148 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
1149 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
1150
1151 step[0] =-0.5*kNpadX*fgkXPad;
1152 step[1] = 0.;
1153 step[2] =-0.5*kNpadZ*fgkZPad;
1154 Translation(posLocal,step);
1155
1156 iPadX = (Int_t)(posLocal[0]/fgkXPad);
1157 if (iPadX==kNpadX) iPadX--;
1158 else if (iPadX>kNpadX) iPadX=-1;
1159
1160 //}
1161 //else AliError("Detector Index could not be determined");
1162
1163 return iPadX;
1164
1165}
1166//_____________________________________________________________________________
1167
1168Float_t AliTOFGeometryV5::GetPadDx(Float_t *pos)
1169{
1170 //
1171 // Returns the x coordinate in the Pad reference frame
1172 //
1173
1174 Float_t xpad = -2.;
1175
1176 Float_t posLocal[3];
1177 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1178
1179 Int_t isector = GetSector(posLocal);
1180 if(isector == -1){
1181 //AliError("Detector Index could not be determined");
1182 return xpad;}
1183 Int_t iplate = GetPlate(posLocal);
1184 if(iplate == -1){
1185 //AliError("Detector Index could not be determined");
1186 return xpad;}
1187 Int_t istrip = GetStrip(posLocal);
1188 if(istrip == -1){
1189 //AliError("Detector Index could not be determined");
1190 return xpad;}
1191 Int_t ipadz = GetPadZ(posLocal);
1192 if(ipadz == -1){
1193 //AliError("Detector Index could not be determined");
1194 return xpad;}
1195 Int_t ipadx = GetPadX(posLocal);
1196 if(ipadx == -1){
1197 //AliError("Detector Index could not be determined");
1198 return xpad;}
1199
1200 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1201 Double_t angles[6] =
1202 {90., 90.+(isector+0.5)*fPhiSec,
1203 0., 0.,
1204 90., (isector+0.5)*fPhiSec
1205 };
1206 Rotation(posLocal,angles);
1207
1208 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1209 Translation(posLocal,step);
1210
1211 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1212 angles[0] = 90.;
1213 angles[1] = 0.;
1214 angles[2] = 0.;
1215 angles[3] = 0.;
1216 angles[4] = 90.;
1217 angles[5] =270.;
1218
1219 Rotation(posLocal,angles);
1220
1221 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1222 step[0] = 0.;
1223 step[1] = GetHeights(iplate,istrip);
1224 step[2] = -GetDistances(iplate,istrip);
1225 Translation(posLocal,step);
1226
1227 if (GetAngles(iplate,istrip) >0.) {
1228 angles[0] = 90.;
1229 angles[1] = 0.;
1230 angles[2] = 90.+GetAngles(iplate,istrip);
1231 angles[3] = 90.;
1232 angles[4] = GetAngles(iplate,istrip);
1233 angles[5] = 90.;
1234 }
1235 else if (GetAngles(iplate,istrip)==0.) {
1236 angles[0] = 90.;
1237 angles[1] = 0.;
1238 angles[2] = 90.;
1239 angles[3] = 90.;
1240 angles[4] = 0;
1241 angles[5] = 0.;
1242 }
1243 else if (GetAngles(iplate,istrip) <0.) {
1244 angles[0] = 90.;
1245 angles[1] = 0.;
1246 angles[2] = 90.+GetAngles(iplate,istrip);
1247 angles[3] = 90.;
1248 angles[4] =-GetAngles(iplate,istrip);
1249 angles[5] = 270.;
1250 }
1251 Rotation(posLocal,angles);
1252
1253 step[0] =-0.5*kNpadX*fgkXPad;
1254 step[1] = 0.;
1255 step[2] =-0.5*kNpadZ*fgkZPad;
1256 Translation(posLocal,step);
1257
1258 step[0] = (ipadx+0.5)*fgkXPad;
1259 step[1] = 0.;
1260 step[2] = (ipadz+0.5)*fgkZPad;
1261 Translation(posLocal,step);
1262
1263 xpad=posLocal[0];
1264
1265 return xpad;
1266
1267}
1268//_____________________________________________________________________________
1269Float_t AliTOFGeometryV5::GetPadDy(Float_t *pos)
1270{
1271 //
1272 // Returns the x coordinate in the Pad reference frame
1273 //
1274
1275 Float_t ypad = -2.;
1276
1277 Float_t posLocal[3];
1278 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1279
1280 Int_t isector = GetSector(posLocal);
1281 if(isector == -1){
1282 //AliError("Detector Index could not be determined");
1283 return ypad;}
1284 Int_t iplate = GetPlate(posLocal);
1285 if(iplate == -1){
1286 //AliError("Detector Index could not be determined");
1287 return ypad;}
1288 Int_t istrip = GetStrip(posLocal);
1289 if(istrip == -1){
1290 //AliError("Detector Index could not be determined");
1291 return ypad;}
1292 Int_t ipadz = GetPadZ(posLocal);
1293 if(ipadz == -1){
1294 //AliError("Detector Index could not be determined");
1295 return ypad;}
1296 Int_t ipadx = GetPadX(posLocal);
1297 if(ipadx == -1){
1298 //AliError("Detector Index could not be determined");
1299 return ypad;}
1300
1301 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1302 Double_t angles[6] =
1303 {90., 90.+(isector+0.5)*fPhiSec,
1304 0., 0.,
1305 90., (isector+0.5)*fPhiSec
1306 };
1307 Rotation(posLocal,angles);
1308
1309 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1310 Translation(posLocal,step);
1311
1312 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1313 angles[0] = 90.;
1314 angles[1] = 0.;
1315 angles[2] = 0.;
1316 angles[3] = 0.;
1317 angles[4] = 90.;
1318 angles[5] =270.;
1319
1320 Rotation(posLocal,angles);
1321
1322 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1323 step[0] = 0.;
1324 step[1] = GetHeights(iplate,istrip);
1325 step[2] = -GetDistances(iplate,istrip);
1326 Translation(posLocal,step);
1327
1328 if (GetAngles(iplate,istrip) >0.) {
1329 angles[0] = 90.;
1330 angles[1] = 0.;
1331 angles[2] = 90.+GetAngles(iplate,istrip);
1332 angles[3] = 90.;
1333 angles[4] = GetAngles(iplate,istrip);
1334 angles[5] = 90.;
1335 }
1336 else if (GetAngles(iplate,istrip)==0.) {
1337 angles[0] = 90.;
1338 angles[1] = 0.;
1339 angles[2] = 90.;
1340 angles[3] = 90.;
1341 angles[4] = 0;
1342 angles[5] = 0.;
1343 }
1344 else if (GetAngles(iplate,istrip) <0.) {
1345 angles[0] = 90.;
1346 angles[1] = 0.;
1347 angles[2] = 90.+GetAngles(iplate,istrip);
1348 angles[3] = 90.;
1349 angles[4] =-GetAngles(iplate,istrip);
1350 angles[5] = 270.;
1351 }
1352 Rotation(posLocal,angles);
1353
1354 step[0] =-0.5*kNpadX*fgkXPad;
1355 step[1] = 0.;
1356 step[2] =-0.5*kNpadZ*fgkZPad;
1357 Translation(posLocal,step);
1358
1359 step[0] = (ipadx+0.5)*fgkXPad;
1360 step[1] = 0.;
1361 step[2] = (ipadz+0.5)*fgkZPad;
1362 Translation(posLocal,step);
1363
1364 ypad=posLocal[1];
1365
1366 return ypad;
1367
1368}
1369//_____________________________________________________________________________
1370Float_t AliTOFGeometryV5::GetPadDz(Float_t *pos)
1371{
1372 //
1373 // Returns the x coordinate in the Pad reference frame
1374 //
1375
1376 Float_t zpad = -2.;
1377
1378 Float_t posLocal[3];
1379 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1380
1381 Int_t isector = GetSector(posLocal);
1382 if(isector == -1){
1383 //AliError("Detector Index could not be determined");
1384 return zpad;}
1385 Int_t iplate = GetPlate(posLocal);
1386 if(iplate == -1){
1387 //AliError("Detector Index could not be determined");
1388 return zpad;}
1389 Int_t istrip = GetStrip(posLocal);
1390 if(istrip == -1){
1391 //AliError("Detector Index could not be determined");
1392 return zpad;}
1393 Int_t ipadz = GetPadZ(posLocal);
1394 if(ipadz == -1){
1395 //AliError("Detector Index could not be determined");
1396 return zpad;}
1397 Int_t ipadx = GetPadX(posLocal);
1398 if(ipadx == -1){
1399 //AliError("Detector Index could not be determined");
1400 return zpad;}
1401
1402 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1403 Double_t angles[6] =
1404 {90., 90.+(isector+0.5)*fPhiSec,
1405 0., 0.,
1406 90., (isector+0.5)*fPhiSec
1407 };
1408 Rotation(posLocal,angles);
1409
1410 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1411 Translation(posLocal,step);
1412
1413 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1414 angles[0] = 90.;
1415 angles[1] = 0.;
1416 angles[2] = 0.;
1417 angles[3] = 0.;
1418 angles[4] = 90.;
1419 angles[5] =270.;
1420
1421 Rotation(posLocal,angles);
1422
1423 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1424 step[0] = 0.;
1425 step[1] = GetHeights(iplate,istrip);
1426 step[2] = -GetDistances(iplate,istrip);
1427 Translation(posLocal,step);
1428
1429 if (GetAngles(iplate,istrip) >0.) {
1430 angles[0] = 90.;
1431 angles[1] = 0.;
1432 angles[2] = 90.+GetAngles(iplate,istrip);
1433 angles[3] = 90.;
1434 angles[4] = GetAngles(iplate,istrip);
1435 angles[5] = 90.;
1436 }
1437 else if (GetAngles(iplate,istrip)==0.) {
1438 angles[0] = 90.;
1439 angles[1] = 0.;
1440 angles[2] = 90.;
1441 angles[3] = 90.;
1442 angles[4] = 0;
1443 angles[5] = 0.;
1444 }
1445 else if (GetAngles(iplate,istrip) <0.) {
1446 angles[0] = 90.;
1447 angles[1] = 0.;
1448 angles[2] = 90.+GetAngles(iplate,istrip);
1449 angles[3] = 90.;
1450 angles[4] =-GetAngles(iplate,istrip);
1451 angles[5] = 270.;
1452 }
1453 Rotation(posLocal,angles);
1454
1455 step[0] =-0.5*kNpadX*fgkXPad;
1456 step[1] = 0.;
1457 step[2] =-0.5*kNpadZ*fgkZPad;
1458 Translation(posLocal,step);
1459
1460 step[0] = (ipadx+0.5)*fgkXPad;
1461 step[1] = 0.;
1462 step[2] = (ipadz+0.5)*fgkZPad;
1463 Translation(posLocal,step);
1464
1465 zpad=posLocal[2];
1466
1467 return zpad;
1468
1469}
1470//_____________________________________________________________________________
1471
7aeeaf38 1472void AliTOFGeometryV5::Translation(Float_t *xyz, Float_t translationVector[3]) const
d3c7bfac 1473{
7aeeaf38 1474 //
1475 // Return the vector xyz translated by translationVector vector
1476 //
d3c7bfac 1477
1478 Int_t ii=0;
1479
1480 for (ii=0; ii<3; ii++)
1481 xyz[ii] -= translationVector[ii];
1482
1483 return;
1484
1485}
1486//_____________________________________________________________________________
1487
7aeeaf38 1488void AliTOFGeometryV5::Rotation(Float_t *xyz, Double_t rotationAngles[6]) const
d3c7bfac 1489{
7aeeaf38 1490 //
1491 // Return the vector xyz rotated according to the rotationAngles angles
1492 //
d3c7bfac 1493
1494 Int_t ii=0;
1495 /*
1496 TRotMatrix *matrix = new TRotMatrix("matrix","matrix", angles[0], angles[1],
1497 angles[2], angles[3],
1498 angles[4], angles[5]);
1499 */
1500
1501 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1502
1503 Float_t xyzDummy[3] = {0., 0., 0.};
1504
1505 for (ii=0; ii<3; ii++) {
1506 xyzDummy[ii] =
1507 xyz[0]*TMath::Sin(rotationAngles[2*ii])*TMath::Cos(rotationAngles[2*ii+1]) +
1508 xyz[1]*TMath::Sin(rotationAngles[2*ii])*TMath::Sin(rotationAngles[2*ii+1]) +
1509 xyz[2]*TMath::Cos(rotationAngles[2*ii]);
1510 }
1511
1512 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1513
1514 return;
1515
1516}
1517//_____________________________________________________________________________
7aeeaf38 1518void AliTOFGeometryV5::InverseRotation(Float_t *xyz, Double_t rotationAngles[6]) const
d3c7bfac 1519{
7aeeaf38 1520 //
1521 //
1522 //
d3c7bfac 1523
1524 Int_t ii=0;
1525
1526 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1527
1528 Float_t xyzDummy[3] = {0., 0., 0.};
1529
1530 xyzDummy[0] =
1531 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Cos(rotationAngles[1]) +
1532 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Cos(rotationAngles[3]) +
1533 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Cos(rotationAngles[5]);
1534
1535 xyzDummy[1] =
1536 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Sin(rotationAngles[1]) +
1537 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Sin(rotationAngles[3]) +
1538 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Sin(rotationAngles[5]);
1539
1540 xyzDummy[2] =
1541 xyz[0]*TMath::Cos(rotationAngles[0]) +
1542 xyz[1]*TMath::Cos(rotationAngles[2]) +
1543 xyz[2]*TMath::Cos(rotationAngles[4]);
1544
1545 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1546
1547 return;
1548
1549}
1550//_____________________________________________________________________________
a6a9820c 1551void AliTOFGeometryV5::GetVolumePath(Int_t *ind, Char_t *path ) {
1552 //--------------------------------------------------------------------
1553 // This function returns the colume path of a given pad
1554 //--------------------------------------------------------------------
1555 Int_t sector = ind[0];
1556 Char_t string1[100];
1557 Char_t string2[100];
1558 Char_t string3[100];
1559
1560 Int_t icopy=-1;
1561
1562 if(sector<3){
1563 icopy=sector+1;
1564 sprintf(string1,"/ALIC_1/B077_1/B075_%i/BTO3_1/FTOA_0/FLTA_0",icopy);
1565 }
1566 else if(sector<11){
1567 icopy=sector+3;
1568 sprintf(string1,"/ALIC_1/B077_1/B071_%i/BTO1_1/FTOA_0/FLTA_0",icopy);
1569 }
1570 else if(sector==11 || sector==12){
1571 icopy=sector-10;
1572 sprintf(string1,"/ALIC_1/B077_1/B074_%i/BTO2_1/FTOA_0/FLTA_0",icopy);
1573 if(fHoles)sprintf(string1,"/ALIC_1/B077_1/B074_%i/BTO2_1",icopy);
1574 }
1575 else {
1576 icopy=sector-12;
1577 sprintf(string1,"/ALIC_1/B077_1/B071_%i/BTO1_1/FTOA_0/FLTA_0",icopy);
1578 }
1579
1580 Int_t iplate=ind[1];
1581 Int_t istrip=ind[2];
1582 if( iplate==0) icopy=istrip;
1583 if( iplate==1) icopy=istrip+NStripC();
1584 if( iplate==2) icopy=istrip+NStripC()+NStripB();
1585 if( iplate==3) icopy=istrip+NStripC()+NStripB()+NStripA();
1586 if( iplate==4) icopy=istrip+NStripC()+2*NStripB()+NStripA();
1587 icopy++;
1588 sprintf(string2,"FSTR_%i",icopy);
1589 if(fHoles && (sector==11 || sector==12)){
1590 if(iplate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
1591 if(iplate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
1592 }
1593
1594
1595 Int_t padz = ind[3]+1;
1596 Int_t padx = ind[4]+1;
1597 sprintf(string3,"FPCB_1/FSEN_1/FSEZ_%i/FPAD_%i",padz,padx);
1598 sprintf(path,"%s/%s/%s",string1,string2,string3);
1599
1600}
1601//_____________________________________________________________________________
1602void AliTOFGeometryV5::GetPos(Int_t *det, Float_t *pos)
1603{
1604//
1605// Returns space point coor (x,y,z) (cm) for Detector
1606// Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
1607//
1608 Char_t path[100];
1609 GetVolumePath(det,path );
1610 if (!gGeoManager) {
1611 printf("ERROR: no TGeo\n");
1612 }
1613 gGeoManager->cd(path);
1614 TGeoHMatrix global;
1615 global = *gGeoManager->GetCurrentMatrix();
1616 const Double_t *tr = global.GetTranslation();
1617
1618 pos[0]=tr[0];
1619 pos[1]=tr[1];
1620 pos[2]=tr[2];
1621}
1622//_____________________________________________________________________________