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Changes for TOF Reconstruction using TGeo
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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$Log$
a6a9820c 18Revision 1.2 2006/02/28 10:38:00 decaro
19AliTOFGeometry::fAngles, AliTOFGeometry::fHeights, AliTOFGeometry::fDistances arrays: dimension definition in the right location
20
4402e7cb 21Revision 1.1 2005/12/15 08:55:33 decaro
22New TOF geometry description (V5) -G. Cara Romeo and A. De Caro
23
d3c7bfac 24Revision 0.1 2005/07/19 G. Cara Romeo and A. De Caro
25 Modify Global methods IsInsideThePad & DistanceToPad
26 according to the new TOF geometry
27 Implement Global methods GetPadDx & GetPadDy & GetPadDz
28 Implement Private methods Translation & Rotation & InverseRotation
29 Modify Global methods GetDetID & GetPlate & GetSector &
30 GetStrip & GetPadX & GetPadZ
31 according to the new TOF geometry
32 Modify Global methods GetPos & GetX & GetY & GetZ
33 according to the new TOF geometry
34*/
35
36#include <stdlib.h>
37#include <Riostream.h>
38///////////////////////////////////////////////////////////////////////////////
39// //
40// TOF Geometry class (new version) //
41// //
42///////////////////////////////////////////////////////////////////////////////
43
44#include "AliLog.h"
45#include "AliConst.h"
46#include "AliTOFGeometry.h"
47#include "AliTOFGeometryV5.h"
48
49ClassImp(AliTOFGeometryV5)
50
51const Int_t AliTOFGeometryV5::kNStripC = 19; // number of strips in C type module
d3c7bfac 52
53const Float_t AliTOFGeometryV5::fgkZlenA = 370.6*2.; // length (cm) of the A module
54const Float_t AliTOFGeometryV5::fgkZlenB = 146.5; // length (cm) of the B module
55const Float_t AliTOFGeometryV5::fgkZlenC = 170.45; // length (cm) of the C module
56const Float_t AliTOFGeometryV5::fgkMaxhZtof = 370.6; // Max half z-size of TOF (cm)
d3c7bfac 57
58const Float_t AliTOFGeometryV5::fgkxTOF = 371.-0.01;// Inner radius of the TOF for Reconstruction (cm)
59const Float_t AliTOFGeometryV5::fgkRmin = 370.-0.01;// Inner radius of the TOF (cm)
60const Float_t AliTOFGeometryV5::fgkRmax = 399.-0.01;// Outer radius of the TOF (cm)
61
62//_____________________________________________________________________________
63AliTOFGeometryV5::AliTOFGeometryV5()
64 :AliTOFGeometry()
65{
66 //
67 // AliTOFGeometryV5 default constructor
68 //
69
70 AliTOFGeometry::kNStripC = kNStripC; // number of strips in C type module
d3c7bfac 71
72 AliTOFGeometry::kZlenA = fgkZlenA; // length of the TOF supermodule (cm)
73 AliTOFGeometry::kZlenB = fgkZlenB; // length of the B module (cm)
74 AliTOFGeometry::kZlenC = fgkZlenC; // length of the C module (cm)
75 AliTOFGeometry::kMaxhZtof = fgkMaxhZtof; // Max half z-size of TOF supermodule (cm)
d3c7bfac 76
77 AliTOFGeometry::fgkxTOF = fgkxTOF; // Inner radius of the TOF for Reconstruction (cm)
78 AliTOFGeometry::fgkRmin = fgkRmin; // Inner radius of the TOF (cm)
79 AliTOFGeometry::fgkRmax = fgkRmax; // Outer radius of the TOF (cm)
80
81 Init();
82
83}
84
85//_____________________________________________________________________________
86AliTOFGeometryV5::~AliTOFGeometryV5()
87{
88 //
89 // AliTOFGeometryV5 destructor
90 //
91
92}
93//_____________________________________________________________________________
a6a9820c 94void AliTOFGeometryV5::ImportGeometry(){
95 TGeoManager::Import("geometry.root");
96}
97//_____________________________________________________________________________
d3c7bfac 98void AliTOFGeometryV5::Init()
99{
100 //
101 // Initialize strip Tilt Angles, Heights and Distances
102 //
103 // Strips Tilt Angles
104
105 // For each strip to be positoned in FLTA/FLTB/FLTC,
106 // define 3 arrays containing:
107 // the angle of the normal with respect to the Y axis of FLTA/FLTB/FLTC
108 // the Y of the center with respect to the FLTA/FLTB/FLTC reference frame
109 // the Z of the center with respect to the BT01/BT02/BT03 reference frame
110
111
112 Float_t const kangles[kNPlates][kMaxNstrip] ={
113 { 43.99, 43.20, 42.40, 41.59, 40.77, 39.94, 39.11, 38.25, 37.40, 36.53,
4402e7cb 114 35.65, 34.76, 33.87, 32.96, 32.05, 31.13, 30.19, 29.24, 12.33, 0.00},
d3c7bfac 115
116 { 27.26, 26.28, 25.30, 24.31, 23.31, 22.31, 21.30, 20.29, 19.26, 18.24,
4402e7cb 117 17.20, 16.16, 15.11, 14.05, 13.00, 11.93, 10.87, 9.80, 8.74, 0.00},
d3c7bfac 118
119 { 0.00, 6.30, 5.31, 4.25, 3.19, 2.12, 1.06, 0.00, -1.06, -2.12,
4402e7cb 120 -3.19, -4.25, -5.31, -6.30, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00},
d3c7bfac 121
122 { -8.74, -9.80, -10.87, -11.93, -13.00, -14.05, -15.11, -16.16, -17.20, -18.24,
4402e7cb 123 -19.26, -20.29, -21.30, -22.31, -23.31, -24.31, -25.30, -26.28, -27.26, 0.00},
d3c7bfac 124
125 {-12.33, -29.24, -30.19, -31.13, -32.05, -32.96, -33.87, -34.76, -35.65, -36.53,
4402e7cb 126 -37.40, -38.25, -39.11, -39.94, -40.77, -41.59, -42.40, -43.20, -43.99, 0.00}
d3c7bfac 127 };
128
129 Float_t const kheights[kNPlates][kMaxNstrip]= {
130 {-8.2, -7.5, -8.2, -7.7, -8.1, -7.6, -7.7, -7.7, -7.7, -7.7,
4402e7cb 131 -7.5, -7.2, -7.3, -7.5, -7.6, -7.8, -8.3, -9.3, -3.1, 0.0},
d3c7bfac 132
133 {-7.9, -8.1, -8.5, -9.0, -10.1, -3.9, -5.9, -7.7, -10.1, -3.6,
4402e7cb 134 -5.8, -8.0, -10.4, -4.4, -7.2, -10.2, -4.6, -7.4, -10.4, 0.0},
d3c7bfac 135
136 {-2.5, -10.4, -5.0, -9.9, -4.8, -9.9, -4.7, -10.2, -4.7, -9.9,
4402e7cb 137 -4.8, -9.9, -5.0, -10.4, -2.5, 0.0, 0.0, 0.0, 0.0, 0.0},
d3c7bfac 138
139 {-10.4, -7.4, -4.6, -10.2, -7.2, -4.4, -10.4, -8.0, -5.8, -3.6,
4402e7cb 140 -10.1, -7.7, -5.9, -3.9, -10.1, -9.0, -8.5, -8.1, -7.9, 0.0},
d3c7bfac 141
142 { -3.1, -9.3, -8.3, -7.8, -7.6, -7.5, -7.3, -7.2, -7.5, -7.7,
4402e7cb 143 -7.7, -7.7, -7.7, -7.6, -8.1, -7.7, -8.2, -7.5, -8.2, 0.0}
d3c7bfac 144 };
145
146
147 Float_t const kdistances[kNPlates][kMaxNstrip]= {
148 { 364.1, 354.9, 344.5, 335.4, 325.5, 316.6, 307.2, 298.0, 288.9, 280.0,
4402e7cb 149 271.3, 262.7, 254.0, 244.8, 236.1, 227.7, 219.1, 210.3, 205.7, 0.0},
d3c7bfac 150
151 { 194.2, 186.1, 177.9, 169.8, 161.5, 156.3, 147.8, 139.4, 130.9, 125.6,
4402e7cb 152 117.3, 109.2, 101.1, 95.3, 87.1, 79.2, 73.0, 65.1, 57.6, 0.0},
d3c7bfac 153
154 { 49.5, 41.3, 35.3, 27.8, 21.2, 13.9, 7.0, 0.0, -7.0, -13.9,
4402e7cb 155 -21.2, -27.8, -35.3, -41.3, -49.5, 0.0, 0.0, 0.0, 0.0, 0.0},
d3c7bfac 156
157 { -57.6, -65.1, -73.0, -79.2, -87.1, -95.3, -101.1, -109.2, -117.3, -125.6,
4402e7cb 158 -130.9, -139.4, -147.8, -156.3, -161.5, -169.8, -177.9, -186.1, -194.2, 0.0},
d3c7bfac 159
160 {-205.7, -210.3, -219.1, -227.7, -236.1, -244.8, -254.0, -262.7, -271.3, -280.0,
4402e7cb 161 -288.9, -298.0, -307.2, -316.6, -325.5, -335.4, -344.5, -354.9, -364.1, 0.0}
d3c7bfac 162 };
163
164
d3c7bfac 165 for (Int_t iplate = 0; iplate < kNPlates; iplate++) {
166 for (Int_t istrip = 0; istrip < kMaxNstrip; istrip++) {
167 AliTOFGeometry::fAngles[iplate][istrip] = kangles[iplate][istrip];
168 AliTOFGeometry::fHeights[iplate][istrip] = kheights[iplate][istrip];
169 AliTOFGeometry::fDistances[iplate][istrip]= kdistances[iplate][istrip];
170 }
171 }
172
173}
174
175//_____________________________________________________________________________
a6a9820c 176Float_t AliTOFGeometryV5::DistanceToPadPar(Int_t *det, Float_t *pos, Float_t *dist3d)
d3c7bfac 177{
178//
179// Returns distance of space point with coor pos (x,y,z) (cm) wrt
180// pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
181//
182
183 //Transform pos into Sector Frame
184
185 Float_t x = pos[0];
186 Float_t y = pos[1];
187 Float_t z = pos[2];
188
189 Float_t radius = TMath::Sqrt(x*x+y*y);
190 //Float_t phi=TMath::ATan(y/x);
191 //if(phi<0) phi = k2PI+phi; //2.*TMath::Pi()+phi;
192 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
193 // Get the local angle in the sector philoc
194 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fPhiSec) + 0.5)*fPhiSec;
195 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
196 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
197 Float_t zs = z;
198
199 // Do the same for the selected pad
200
201 Float_t g[3];
a6a9820c 202 GetPosPar(det,g);
d3c7bfac 203
204 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
205 //Float_t padPhi = TMath::ATan(g[1]/g[0]);
206 //if(padPhi<0) padPhi = k2Pi + padPhi;
207 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
208
209 // Get the local angle in the sector philoc
210 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fPhiSec)+ 0.5) * fPhiSec;
211 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
212 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
213 Float_t padzs = g[2];
214
215 //Now move to local pad coordinate frame. Translate:
216
217 Float_t xt = xs-padxs;
218 Float_t yt = ys-padys;
219 Float_t zt = zs-padzs;
220 //Now Rotate:
221
222 Float_t alpha = GetAngles(det[1],det[2]);
223 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
224 Float_t yr = yt;
225 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
226
227 Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr);
228
229 if (dist3d){
230 dist3d[0] = xr;
231 dist3d[1] = yr;
232 dist3d[2] = zr;
233 }
234
235 return dist;
236
237}
238
239//_____________________________________________________________________________
a6a9820c 240Bool_t AliTOFGeometryV5::IsInsideThePadPar(Int_t *det, Float_t *pos)
d3c7bfac 241{
242//
243// Returns true if space point with coor pos (x,y,z) (cm) falls
244// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
245//
246
247 Bool_t isInside=false;
248
249 /*
250 const Float_t khhony = 1.0 ; // heigth of HONY Layer
251 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
252 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
253 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
254 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
255 //const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
256 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
257 //const Float_t kwstripz = kwcpcbz;
258 //const Float_t klstripx = fgkStripLength;
259 */
260
a6a9820c 261 const Float_t khsensmy = 0.5;//0.05;//0.11;//0.16;// // heigth of Sensitive Layer
d3c7bfac 262
263 //Transform pos into Sector Frame
264
265 Float_t x = pos[0];
266 Float_t y = pos[1];
267 Float_t z = pos[2];
268
269 Float_t radius = TMath::Sqrt(x*x+y*y);
270 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
271
272 // Get the local angle in the sector philoc
273 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fPhiSec) + 0.5) *fPhiSec;
274 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
275 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
276 Float_t zs = z;
277
278 // Do the same for the selected pad
279
280 Float_t g[3];
a6a9820c 281 GetPosPar(det,g);
d3c7bfac 282
283 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
284 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
285
286 // Get the local angle in the sector philoc
287 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fPhiSec)+ 0.5) * fPhiSec;
288 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
289 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
290 Float_t padzs = g[2];
291
292 //Now move to local pad coordinate frame. Translate:
293
294 Float_t xt = xs-padxs;
295 Float_t yt = ys-padys;
296 Float_t zt = zs-padzs;
297
298 //Now Rotate:
299
300 Float_t alpha = GetAngles(det[1],det[2]);
301 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
302 Float_t yr = yt;
303 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
304
d3c7bfac 305 if(TMath::Abs(xr)<=khsensmy*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
d3c7bfac 306 isInside=true;
307 return isInside;
308
309}
310
a6a9820c 311
312//_____________________________________________________________________________
313Float_t AliTOFGeometryV5::DistanceToPad(Int_t *det, TGeoHMatrix mat, Float_t *pos, Float_t *dist3d)
314{
315//
316// Returns distance of space point with coor pos (x,y,z) (cm) wrt
317// pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
318//
319 if (!gGeoManager) {
320 printf("ERROR: no TGeo\n");
321 return 0.;
322 }
323 Double_t vecg[3];
324 vecg[0]=pos[0];
325 vecg[1]=pos[1];
326 vecg[2]=pos[2];
327 Double_t veclr[3]={-1.,-1.,-1.};
328 Double_t vecl[3]={-1.,-1.,-1.};
329 mat.MasterToLocal(vecg,veclr);
330 vecl[0]=veclr[1];
331 vecl[1]=veclr[0];
332 //take into account reflections
333 if(det[1]>-1)vecl[2]=-veclr[2];
334
335 Float_t dist = TMath::Sqrt(vecl[0]*vecl[0]+vecl[1]*vecl[1]+vecl[2]*vecl[2]);
336
337
338 if (dist3d){
339 dist3d[0] = vecl[0];
340 dist3d[1] = vecl[1];
341 dist3d[2] = vecl[2];
342 }
343
344 return dist;
345
346}
347
348
349//_____________________________________________________________________________
350Bool_t AliTOFGeometryV5::IsInsideThePad( Int_t *det, TGeoHMatrix mat, Float_t *pos)
351{
352//
353// Returns true if space point with coor pos (x,y,z) (cm) falls
354// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
355//
356
357 const Float_t khsensmy = 0.5; // heigth of Sensitive Layer
358 Double_t vecg[3];
359 vecg[0]=pos[0];
360 vecg[1]=pos[1];
361 vecg[2]=pos[2];
362 Double_t veclr[3]={-1.,-1.,-1.};
363 Double_t vecl[3]={-1.,-1.,-1.};
364 mat.MasterToLocal(vecg,vecl);
365 vecl[0]=veclr[1];
366 vecl[1]=veclr[0];
367 //take into account reflections
368 if(det[1]>-1)vecl[2]=-veclr[2];
369
370 Float_t xr = vecl[0];
371 Float_t yr = vecl[1];
372 Float_t zr = vecl[2];
373
374 Bool_t isInside=false;
375 if(TMath::Abs(xr)<= khsensmy*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
376 isInside=true;
377 return isInside;
378
379}
380//_____________________________________________________________________________
d3c7bfac 381//_____________________________________________________________________________
382Float_t AliTOFGeometryV5::GetX(Int_t *det)
383{
384 //
385 // Returns X coordinate (cm)
386 //
387
388 Int_t isector = det[0];
389 Int_t iplate = det[1];
390 Int_t istrip = det[2];
391 Int_t ipadz = det[3];
392 Int_t ipadx = det[4];
393
394 /*
395 // Find out distance d on the plane wrt median phi:
396 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
397
398 // The radius r in xy plane:
399 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
400 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
401 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
402 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
403
404 // local azimuthal angle in the sector philoc
405 Float_t philoc = TMath::ATan(d/r);
406 //if(philoc<0.) philoc = k2PI + philoc;
407
408 // azimuthal angle in the global frame phi
409 Float_t phi = philoc*kRaddeg+(isector+0.5)*fPhiSec;
410
411 Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
412 */
413
414 // Pad reference frame -> FSTR reference frame
415 // /*
416 Float_t posLocal[3] = {0., 0., 0.};
417 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
418 Translation(posLocal,step);
419
420 step[0] = kNpadX*0.5*fgkXPad;
421 step[1] = 0.;
422 step[2] = kNpadZ*0.5*fgkZPad;
423 // */
424 /*
425 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
426 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
427 */
428 Translation(posLocal,step);
429
430 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
431 Double_t angles[6];
432 if (GetAngles(iplate,istrip) >0.) {
433 angles[0] = 90.;
434 angles[1] = 0.;
435 angles[2] = 90.+GetAngles(iplate,istrip);
436 angles[3] = 90.;
437 angles[4] = GetAngles(iplate,istrip);
438 angles[5] = 90.;
439 }
440 else if (GetAngles(iplate,istrip)==0.) {
441 angles[0] = 90.;
442 angles[1] = 0.;
443 angles[2] = 90.;
444 angles[3] = 90.;
445 angles[4] = 0;
446 angles[5] = 0.;
447 }
448 else if (GetAngles(iplate,istrip) <0.) {
449 angles[0] = 90.;
450 angles[1] = 0.;
451 angles[2] = 90.+GetAngles(iplate,istrip);
452 angles[3] = 90.;
453 angles[4] =-GetAngles(iplate,istrip);
454 angles[5] = 270.;
455 }
456
457 InverseRotation(posLocal,angles);
458
459 step[0] = 0.;
460 step[1] = -GetHeights(iplate,istrip);
461 step[2] = GetDistances(iplate,istrip);
462 Translation(posLocal,step);
463
464 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
465 angles[0] = 90.;
466 angles[1] = 0.;
467 angles[2] = 0.;
468 angles[3] = 0.;
469 angles[4] = 90.;
470 angles[5] =270.;
471
472 InverseRotation(posLocal,angles);
473
474 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
475 step[0] = 0.;
476 step[1] = 0.;
477 step[2] = -((fgkRmax+fgkRmin)*0.5);
478 Translation(posLocal,step);
479
480 angles[0] = 90.;
481 angles[1] = 90.+(isector+0.5)*fPhiSec;
482 angles[2] = 0.;
483 angles[3] = 0.;
484 angles[4] = 90.;
485 angles[5] = (isector+0.5)*fPhiSec;
486
487 InverseRotation(posLocal,angles);
488
489 Float_t xCoor = posLocal[0];
490
491 return xCoor;
492
493}
494//_____________________________________________________________________________
495Float_t AliTOFGeometryV5::GetY(Int_t *det)
496{
497 //
498 // Returns Y coordinate (cm)
499 //
500
501 Int_t isector = det[0];
502 Int_t iplate = det[1];
503 Int_t istrip = det[2];
504 Int_t ipadz = det[3];
505 Int_t ipadx = det[4];
506
507 /*
508 // Find out distance d on the plane wrt median phi:
509 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
510
511 // The radius r in xy plane:
512 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
513 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
514 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
515 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
516
517 // local azimuthal angle in the sector philoc
518 Float_t philoc = TMath::ATan(d/r);
519 //if(philoc<0.) philoc = k2PI + philoc;
520
521 // azimuthal angle in the global frame phi
522 Float_t phi = philoc*kRaddeg+(isector+0.5)*fPhiSec;
523
524 Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
525 */
526
527 // Pad reference frame -> FSTR reference frame
528 // /*
529 Float_t posLocal[3] = {0., 0., 0.};
530 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
531 Translation(posLocal,step);
532
533 step[0] = kNpadX*0.5*fgkXPad;
534 step[1] = 0.;
535 step[2] = kNpadZ*0.5*fgkZPad;
536 // */
537 /*
538 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
539 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
540 */
541 Translation(posLocal,step);
542
543 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
544
545 Double_t angles[6];
546 if (GetAngles(iplate,istrip) >0.) {
547 angles[0] = 90.;
548 angles[1] = 0.;
549 angles[2] = 90.+GetAngles(iplate,istrip);
550 angles[3] = 90.;
551 angles[4] = GetAngles(iplate,istrip);
552 angles[5] = 90.;
553 }
554 else if (GetAngles(iplate,istrip)==0.) {
555 angles[0] = 90.;
556 angles[1] = 0.;
557 angles[2] = 90.;
558 angles[3] = 90.;
559 angles[4] = 0;
560 angles[5] = 0.;
561 }
562 else if (GetAngles(iplate,istrip) <0.) {
563 angles[0] = 90.;
564 angles[1] = 0.;
565 angles[2] = 90.+GetAngles(iplate,istrip);
566 angles[3] = 90.;
567 angles[4] =-GetAngles(iplate,istrip);
568 angles[5] = 270.;
569 }
570
571 InverseRotation(posLocal,angles);
572
573 step[0] = 0.;
574 step[1] = -GetHeights(iplate,istrip);
575 step[2] = GetDistances(iplate,istrip);
576 Translation(posLocal,step);
577
578 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
579 angles[0] = 90.;
580 angles[1] = 0.;
581 angles[2] = 0.;
582 angles[3] = 0.;
583 angles[4] = 90.;
584 angles[5] =270.;
585
586 InverseRotation(posLocal,angles);
587
588 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
589 step[0] = 0.;
590 step[1] = 0.;
591 step[2] = -((fgkRmax+fgkRmin)*0.5);
592 Translation(posLocal,step);
593
594 angles[0] = 90.;
595 angles[1] = 90.+(isector+0.5)*fPhiSec;
596 angles[2] = 0.;
597 angles[3] = 0.;
598 angles[4] = 90.;
599 angles[5] = (isector+0.5)*fPhiSec;
600
601 InverseRotation(posLocal,angles);
602
603 Float_t yCoor = posLocal[1];
604
605 return yCoor;
606
607}
608
609//_____________________________________________________________________________
610Float_t AliTOFGeometryV5::GetZ(Int_t *det)
611{
612 //
613 // Returns Z coordinate (cm)
614 //
615
616 Int_t isector = det[0];
617 Int_t iplate = det[1];
618 Int_t istrip = det[2];
619 Int_t ipadz = det[3];
620 Int_t ipadx = det[4];
621
622 /*
623 Float_t zCoor = GetDistances(iplate,istrip) +
624 (0.5-ipadz) * fgkZPad * TMath::Cos(GetAngles(iplate,istrip)*kDegrad);
625 */
626
627 // Pad reference frame -> FSTR reference frame
628 // /*
629 Float_t posLocal[3] = {0., 0., 0.};
630 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
631 Translation(posLocal,step);
632
633 step[0] = kNpadX*0.5*fgkXPad;
634 step[1] = 0.;
635 step[2] = kNpadZ*0.5*fgkZPad;
636 // */
637 /*
638 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
639 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
640 */
641 Translation(posLocal,step);
642
643 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
644 Double_t angles[6];
645 if (GetAngles(iplate,istrip) >0.) {
646 angles[0] = 90.;
647 angles[1] = 0.;
648 angles[2] = 90.+GetAngles(iplate,istrip);
649 angles[3] = 90.;
650 angles[4] = GetAngles(iplate,istrip);
651 angles[5] = 90.;
652 }
653 else if (GetAngles(iplate,istrip)==0.) {
654 angles[0] = 90.;
655 angles[1] = 0.;
656 angles[2] = 90.;
657 angles[3] = 90.;
658 angles[4] = 0;
659 angles[5] = 0.;
660 }
661 else if (GetAngles(iplate,istrip) <0.) {
662 angles[0] = 90.;
663 angles[1] = 0.;
664 angles[2] = 90.+GetAngles(iplate,istrip);
665 angles[3] = 90.;
666 angles[4] =-GetAngles(iplate,istrip);
667 angles[5] = 270.;
668 }
669
670 InverseRotation(posLocal,angles);
671
672 step[0] = 0.;
673 step[1] = -GetHeights(iplate,istrip);
674 step[2] = GetDistances(iplate,istrip);
675 Translation(posLocal,step);
676
677 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
678 angles[0] = 90.;
679 angles[1] = 0.;
680 angles[2] = 0.;
681 angles[3] = 0.;
682 angles[4] = 90.;
683 angles[5] =270.;
684
685 InverseRotation(posLocal,angles);
686
687 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
688 step[0] = 0.;
689 step[1] = 0.;
690 step[2] = -((fgkRmax+fgkRmin)*0.5);
691 Translation(posLocal,step);
692
693 angles[0] = 90.;
694 angles[1] = 90.+(isector+0.5)*fPhiSec;
695 angles[2] = 0.;
696 angles[3] = 0.;
697 angles[4] = 90.;
698 angles[5] = (isector+0.5)*fPhiSec;
699
700 InverseRotation(posLocal,angles);
701
702 Float_t zCoor = posLocal[2];
703
704 return zCoor;
705
706}
707
708//_____________________________________________________________________________
709Int_t AliTOFGeometryV5::GetSector(Float_t *pos)
710{
711 //
712 // Returns the Sector index
713 //
714
715 //const Float_t khAlWall = 0.1;
716 //const Float_t kModuleWallThickness = 0.3;
717
718 Int_t iSect = -1;
719
720 Float_t x = pos[0];
721 Float_t y = pos[1];
722 Float_t z = pos[2];
723
724 Float_t rho = TMath::Sqrt(x*x + y*y);
725
726 //if (!((z>=-fgkMaxhZtof && z<=fgkMaxhZtof) &&
727 if (!((z>=-fgkZlenA*0.5 && z<=fgkZlenA*0.5) &&
728 (rho>=(fgkRmin) && rho<=(fgkRmax)))) {
729 //(rho>=(fgkRmin-0.05)+kModuleWallThickness && rho<=(fgkRmax-0.05)-kModuleWallThickness-khAlWall-kModuleWallThickness))) {
730 //AliError("Detector Index could not be determined");
731 return iSect;
732 }
733
734 Float_t phi = TMath::Pi() + TMath::ATan2(-y,-x);
735
736 iSect = (Int_t) (phi*kRaddeg/fPhiSec);
737
738 return iSect;
739
740}
741//_____________________________________________________________________________
742
743Int_t AliTOFGeometryV5::GetPlate(Float_t *pos)
744{
745 //
746 // Returns the Plate index
747 //
748 const Float_t kInterCentrModBorder1 = 49.5;
749 const Float_t kInterCentrModBorder2 = 57.5;
750 const Float_t kExterInterModBorder1 = 196.0;
751 const Float_t kExterInterModBorder2 = 203.5;
752
753 const Float_t kLengthExInModBorder = 4.7;
754 const Float_t kLengthInCeModBorder = 7.0;
755
756 //const Float_t khAlWall = 0.1;
757 const Float_t kModuleWallThickness = 0.3;
758 //const Float_t kHoneycombLayerThickness = 1.5;
759
760 Int_t iPlate=-1;
761
762 Float_t posLocal[3];
763 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
764
765 Int_t isector = GetSector(posLocal);
766 if(isector == -1){
767 //AliError("Detector Index could not be determined");
768 return iPlate;
769 }
770
771 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
772 Double_t angles[6] =
773 {90., 90.+(isector+0.5)*fPhiSec,
774 0., 0.,
775 90., (isector+0.5)*fPhiSec
776 };
777 Rotation(posLocal,angles);
778
779 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
780 Translation(posLocal,step);
781
782 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
783 angles[0] = 90.;
784 angles[1] = 0.;
785 angles[2] = 0.;
786 angles[3] = 0.;
787 angles[4] = 90.;
788 angles[5] =270.;
789
790 Rotation(posLocal,angles);
791
792 Float_t yLocal = posLocal[1];
793 Float_t zLocal = posLocal[2];
794
795 Float_t deltaRhoLoc = (fgkRmax-fgkRmin)*0.5 - kModuleWallThickness + yLocal;
796 Float_t deltaZetaLoc = TMath::Abs(zLocal);
797
798 Float_t deltaRHOmax = 0.;
799
800 if (TMath::Abs(zLocal)>=kExterInterModBorder1 && TMath::Abs(zLocal)<=kExterInterModBorder2)
801 {
802 deltaRhoLoc -= kLengthExInModBorder;
803 deltaZetaLoc = kExterInterModBorder2-deltaZetaLoc;
804 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthExInModBorder; // old 5.35, new 4.8
805
806 if (deltaRhoLoc > deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) {
807 if (zLocal<0) iPlate = 0;
808 else iPlate = 4;
809 }
810 else {
811 if (zLocal<0) iPlate = 1;
812 else iPlate = 3;
813 }
814 }
815 else if (TMath::Abs(zLocal)>=kInterCentrModBorder1 && TMath::Abs(zLocal)<=kInterCentrModBorder2)
816 {
817 deltaRhoLoc -= kLengthInCeModBorder;
818 deltaZetaLoc = deltaZetaLoc-kInterCentrModBorder1;
819 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthInCeModBorder; // old 0.39, new 0.2
820
821 if (deltaRhoLoc>deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) iPlate = 2;
822 else {
823 if (zLocal<0) iPlate = 1;
824 else iPlate = 3;
825 }
826 }
827
828 if (zLocal>-fgkZlenA*0.5/*fgkMaxhZtof*/ && zLocal<-kExterInterModBorder2) iPlate = 0;
829 else if (zLocal>-kExterInterModBorder1 && zLocal<-kInterCentrModBorder2) iPlate = 1;
830 else if (zLocal>-kInterCentrModBorder1 && zLocal< kInterCentrModBorder1) iPlate = 2;
831 else if (zLocal> kInterCentrModBorder2 && zLocal< kExterInterModBorder1) iPlate = 3;
832 else if (zLocal> kExterInterModBorder2 && zLocal< fgkZlenA*0.5/*fgkMaxhZtof*/) iPlate = 4;
833
834 return iPlate;
835
836}
837
838//_____________________________________________________________________________
839Int_t AliTOFGeometryV5::GetStrip(Float_t *pos)
840{
841 //
842 // Returns the Strip index
843 //
844 const Float_t khhony = 1.0 ; // heigth of HONY Layer
845 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
846 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
847 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
848 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
849 const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
850 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
851 const Float_t kwstripz = kwcpcbz;
852 const Float_t klstripx = fgkStripLength;
853
854 Int_t iStrip=-1;
855
856 Float_t posLocal[3];
857 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
858
859 Int_t isector = GetSector(posLocal);
860 if(isector == -1){
861 //AliError("Detector Index could not be determined");
862 return iStrip;}
863 Int_t iplate = GetPlate(posLocal);
864 if(iplate == -1){
865 //AliError("Detector Index could not be determined");
866 return iStrip;}
867
868 Int_t nstrips=0;
869 switch (iplate) {
870 case 0:
871 nstrips=kNStripC;
872 break;
873 case 4:
874 nstrips=kNStripC;
875 break;
876 case 1:
877 nstrips=kNStripB;
878 break;
879 case 3:
880 nstrips=kNStripB;
881 break;
882 case 2:
883 nstrips=kNStripA;
884 break;
885 }
886
887 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
888 Double_t angles[6] =
889 {90., 90.+(isector+0.5)*fPhiSec,
890 0., 0.,
891 90., (isector+0.5)*fPhiSec
892 };
893 Rotation(posLocal,angles);
894
895 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
896 Translation(posLocal,step);
897
898 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
899 angles[0] = 90.;
900 angles[1] = 0.;
901 angles[2] = 0.;
902 angles[3] = 0.;
903 angles[4] = 90.;
904 angles[5] =270.;
905
906 Rotation(posLocal,angles);
907
908 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
909 Int_t totStrip=0;
910 for (Int_t istrip=0; istrip<nstrips; istrip++){
911
912 Float_t posLoc2[3]={posLocal[0],posLocal[1],posLocal[2]};
913
914 step[0] = 0.;
915 step[1] = GetHeights(iplate,istrip);
916 step[2] = -GetDistances(iplate,istrip);
917 Translation(posLoc2,step);
918
919 if (GetAngles(iplate,istrip) >0.) {
920 angles[0] = 90.;
921 angles[1] = 0.;
922 angles[2] = 90.+GetAngles(iplate,istrip);
923 angles[3] = 90.;
924 angles[4] = GetAngles(iplate,istrip);
925 angles[5] = 90.;
926 }
927 else if (GetAngles(iplate,istrip)==0.) {
928 angles[0] = 90.;
929 angles[1] = 0.;
930 angles[2] = 90.;
931 angles[3] = 90.;
932 angles[4] = 0;
933 angles[5] = 0.;
934 }
935 else if (GetAngles(iplate,istrip) <0.) {
936 angles[0] = 90.;
937 angles[1] = 0.;
938 angles[2] = 90.+GetAngles(iplate,istrip);
939 angles[3] = 90.;
940 angles[4] =-GetAngles(iplate,istrip);
941 angles[5] = 270.;
942 }
943 Rotation(posLoc2,angles);
944
945 if ((TMath::Abs(posLoc2[0])<=klstripx*0.5) &&
946 (TMath::Abs(posLoc2[1])<=khstripy*0.5) &&
947 (TMath::Abs(posLoc2[2])<=kwstripz*0.5)) {
948 iStrip = istrip;
949 totStrip++;
950 for (Int_t jj=0; jj<3; jj++) posLocal[jj]=posLoc2[jj];
951 //AliInfo(Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ", posLocal[0],posLocal[1],posLocal[2]));
952
953 //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]));
954 break;
955 }
956
957 if (totStrip>1) AliInfo(Form("total strip number found %2i",totStrip));
958
959 }
960
961 return iStrip;
962
963}
964//_____________________________________________________________________________
965Int_t AliTOFGeometryV5::GetPadZ(Float_t *pos)
966{
967 //
968 // Returns the Pad index along Z
969 //
970 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
971 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
972 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
973
974 Int_t iPadZ = -1;
975
976 Float_t posLocal[3];
977 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
978
979 Int_t isector = GetSector(posLocal);
980 if(isector == -1){
981 //AliError("Detector Index could not be determined");
982 return iPadZ;}
983 Int_t iplate = GetPlate(posLocal);
984 if(iplate == -1){
985 //AliError("Detector Index could not be determined");
986 return iPadZ;}
987 Int_t istrip = GetStrip(posLocal);
988 if(istrip == -1){
989 //AliError("Detector Index could not be determined");
990 return iPadZ;}
991
992 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
993 Double_t angles[6] =
994 {90., 90.+(isector+0.5)*fPhiSec,
995 0., 0.,
996 90., (isector+0.5)*fPhiSec
997 };
998 Rotation(posLocal,angles);
999
1000 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1001 Translation(posLocal,step);
1002
1003 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
1004 angles[0] = 90.;
1005 angles[1] = 0.;
1006 angles[2] = 0.;
1007 angles[3] = 0.;
1008 angles[4] = 90.;
1009 angles[5] =270.;
1010
1011 Rotation(posLocal,angles);
1012
1013 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1014 step[0] = 0.;
1015 step[1] = GetHeights(iplate,istrip);
1016 step[2] = -GetDistances(iplate,istrip);
1017 Translation(posLocal,step);
1018
1019 if (GetAngles(iplate,istrip) >0.) {
1020 angles[0] = 90.;
1021 angles[1] = 0.;
1022 angles[2] = 90.+GetAngles(iplate,istrip);
1023 angles[3] = 90.;
1024 angles[4] = GetAngles(iplate,istrip);
1025 angles[5] = 90.;
1026 }
1027 else if (GetAngles(iplate,istrip)==0.) {
1028 angles[0] = 90.;
1029 angles[1] = 0.;
1030 angles[2] = 90.;
1031 angles[3] = 90.;
1032 angles[4] = 0;
1033 angles[5] = 0.;
1034 }
1035 else if (GetAngles(iplate,istrip) <0.) {
1036 angles[0] = 90.;
1037 angles[1] = 0.;
1038 angles[2] = 90.+GetAngles(iplate,istrip);
1039 angles[3] = 90.;
1040 angles[4] =-GetAngles(iplate,istrip);
1041 angles[5] = 270.;
1042 }
1043 Rotation(posLocal,angles);
1044
1045 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
1046 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
1047
1048 step[0] =-0.5*kNpadX*fgkXPad;
1049 step[1] = 0.;
1050 step[2] =-0.5*kNpadZ*fgkZPad;
1051 Translation(posLocal,step);
1052
1053 iPadZ = (Int_t)(posLocal[2]/fgkZPad);
1054 if (iPadZ==kNpadZ) iPadZ--;
1055 else if (iPadZ>kNpadZ) iPadZ=-1;
1056
1057 //}
1058 // else AliError("Detector Index could not be determined");
1059
1060 return iPadZ;
1061
1062}
1063//_____________________________________________________________________________
1064Int_t AliTOFGeometryV5::GetPadX(Float_t *pos)
1065{
1066 //
1067 // Returns the Pad index along X
1068 //
1069 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
1070 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
1071 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
1072
1073 Int_t iPadX = -1;
1074
1075 Float_t posLocal[3];
1076 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1077
1078 Int_t isector = GetSector(posLocal);
1079 if(isector == -1){
1080 //AliError("Detector Index could not be determined");
1081 return iPadX;}
1082 Int_t iplate = GetPlate(posLocal);
1083 if(iplate == -1){
1084 //AliError("Detector Index could not be determined");
1085 return iPadX;}
1086 Int_t istrip = GetStrip(posLocal);
1087 if(istrip == -1){
1088 //AliError("Detector Index could not be determined");
1089 return iPadX;}
1090
1091 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1092 Double_t angles[6] =
1093 {90., 90.+(isector+0.5)*fPhiSec,
1094 0., 0.,
1095 90., (isector+0.5)*fPhiSec
1096 };
1097 Rotation(posLocal,angles);
1098
1099 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1100 Translation(posLocal,step);
1101
1102 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1103 angles[0] = 90.;
1104 angles[1] = 0.;
1105 angles[2] = 0.;
1106 angles[3] = 0.;
1107 angles[4] = 90.;
1108 angles[5] =270.;
1109
1110 Rotation(posLocal,angles);
1111
1112 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1113 step[0] = 0.;
1114 step[1] = GetHeights(iplate,istrip);
1115 step[2] = -GetDistances(iplate,istrip);
1116 Translation(posLocal,step);
1117
1118 if (GetAngles(iplate,istrip) >0.) {
1119 angles[0] = 90.;
1120 angles[1] = 0.;
1121 angles[2] = 90.+GetAngles(iplate,istrip);
1122 angles[3] = 90.;
1123 angles[4] = GetAngles(iplate,istrip);
1124 angles[5] = 90.;
1125 }
1126 else if (GetAngles(iplate,istrip)==0.) {
1127 angles[0] = 90.;
1128 angles[1] = 0.;
1129 angles[2] = 90.;
1130 angles[3] = 90.;
1131 angles[4] = 0;
1132 angles[5] = 0.;
1133 }
1134 else if (GetAngles(iplate,istrip) <0.) {
1135 angles[0] = 90.;
1136 angles[1] = 0.;
1137 angles[2] = 90.+GetAngles(iplate,istrip);
1138 angles[3] = 90.;
1139 angles[4] =-GetAngles(iplate,istrip);
1140 angles[5] = 270.;
1141 }
1142 Rotation(posLocal,angles);
1143
1144 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
1145 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
1146
1147 step[0] =-0.5*kNpadX*fgkXPad;
1148 step[1] = 0.;
1149 step[2] =-0.5*kNpadZ*fgkZPad;
1150 Translation(posLocal,step);
1151
1152 iPadX = (Int_t)(posLocal[0]/fgkXPad);
1153 if (iPadX==kNpadX) iPadX--;
1154 else if (iPadX>kNpadX) iPadX=-1;
1155
1156 //}
1157 //else AliError("Detector Index could not be determined");
1158
1159 return iPadX;
1160
1161}
1162//_____________________________________________________________________________
1163
1164Float_t AliTOFGeometryV5::GetPadDx(Float_t *pos)
1165{
1166 //
1167 // Returns the x coordinate in the Pad reference frame
1168 //
1169
1170 Float_t xpad = -2.;
1171
1172 Float_t posLocal[3];
1173 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1174
1175 Int_t isector = GetSector(posLocal);
1176 if(isector == -1){
1177 //AliError("Detector Index could not be determined");
1178 return xpad;}
1179 Int_t iplate = GetPlate(posLocal);
1180 if(iplate == -1){
1181 //AliError("Detector Index could not be determined");
1182 return xpad;}
1183 Int_t istrip = GetStrip(posLocal);
1184 if(istrip == -1){
1185 //AliError("Detector Index could not be determined");
1186 return xpad;}
1187 Int_t ipadz = GetPadZ(posLocal);
1188 if(ipadz == -1){
1189 //AliError("Detector Index could not be determined");
1190 return xpad;}
1191 Int_t ipadx = GetPadX(posLocal);
1192 if(ipadx == -1){
1193 //AliError("Detector Index could not be determined");
1194 return xpad;}
1195
1196 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1197 Double_t angles[6] =
1198 {90., 90.+(isector+0.5)*fPhiSec,
1199 0., 0.,
1200 90., (isector+0.5)*fPhiSec
1201 };
1202 Rotation(posLocal,angles);
1203
1204 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1205 Translation(posLocal,step);
1206
1207 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1208 angles[0] = 90.;
1209 angles[1] = 0.;
1210 angles[2] = 0.;
1211 angles[3] = 0.;
1212 angles[4] = 90.;
1213 angles[5] =270.;
1214
1215 Rotation(posLocal,angles);
1216
1217 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1218 step[0] = 0.;
1219 step[1] = GetHeights(iplate,istrip);
1220 step[2] = -GetDistances(iplate,istrip);
1221 Translation(posLocal,step);
1222
1223 if (GetAngles(iplate,istrip) >0.) {
1224 angles[0] = 90.;
1225 angles[1] = 0.;
1226 angles[2] = 90.+GetAngles(iplate,istrip);
1227 angles[3] = 90.;
1228 angles[4] = GetAngles(iplate,istrip);
1229 angles[5] = 90.;
1230 }
1231 else if (GetAngles(iplate,istrip)==0.) {
1232 angles[0] = 90.;
1233 angles[1] = 0.;
1234 angles[2] = 90.;
1235 angles[3] = 90.;
1236 angles[4] = 0;
1237 angles[5] = 0.;
1238 }
1239 else if (GetAngles(iplate,istrip) <0.) {
1240 angles[0] = 90.;
1241 angles[1] = 0.;
1242 angles[2] = 90.+GetAngles(iplate,istrip);
1243 angles[3] = 90.;
1244 angles[4] =-GetAngles(iplate,istrip);
1245 angles[5] = 270.;
1246 }
1247 Rotation(posLocal,angles);
1248
1249 step[0] =-0.5*kNpadX*fgkXPad;
1250 step[1] = 0.;
1251 step[2] =-0.5*kNpadZ*fgkZPad;
1252 Translation(posLocal,step);
1253
1254 step[0] = (ipadx+0.5)*fgkXPad;
1255 step[1] = 0.;
1256 step[2] = (ipadz+0.5)*fgkZPad;
1257 Translation(posLocal,step);
1258
1259 xpad=posLocal[0];
1260
1261 return xpad;
1262
1263}
1264//_____________________________________________________________________________
1265Float_t AliTOFGeometryV5::GetPadDy(Float_t *pos)
1266{
1267 //
1268 // Returns the x coordinate in the Pad reference frame
1269 //
1270
1271 Float_t ypad = -2.;
1272
1273 Float_t posLocal[3];
1274 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1275
1276 Int_t isector = GetSector(posLocal);
1277 if(isector == -1){
1278 //AliError("Detector Index could not be determined");
1279 return ypad;}
1280 Int_t iplate = GetPlate(posLocal);
1281 if(iplate == -1){
1282 //AliError("Detector Index could not be determined");
1283 return ypad;}
1284 Int_t istrip = GetStrip(posLocal);
1285 if(istrip == -1){
1286 //AliError("Detector Index could not be determined");
1287 return ypad;}
1288 Int_t ipadz = GetPadZ(posLocal);
1289 if(ipadz == -1){
1290 //AliError("Detector Index could not be determined");
1291 return ypad;}
1292 Int_t ipadx = GetPadX(posLocal);
1293 if(ipadx == -1){
1294 //AliError("Detector Index could not be determined");
1295 return ypad;}
1296
1297 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1298 Double_t angles[6] =
1299 {90., 90.+(isector+0.5)*fPhiSec,
1300 0., 0.,
1301 90., (isector+0.5)*fPhiSec
1302 };
1303 Rotation(posLocal,angles);
1304
1305 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1306 Translation(posLocal,step);
1307
1308 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1309 angles[0] = 90.;
1310 angles[1] = 0.;
1311 angles[2] = 0.;
1312 angles[3] = 0.;
1313 angles[4] = 90.;
1314 angles[5] =270.;
1315
1316 Rotation(posLocal,angles);
1317
1318 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1319 step[0] = 0.;
1320 step[1] = GetHeights(iplate,istrip);
1321 step[2] = -GetDistances(iplate,istrip);
1322 Translation(posLocal,step);
1323
1324 if (GetAngles(iplate,istrip) >0.) {
1325 angles[0] = 90.;
1326 angles[1] = 0.;
1327 angles[2] = 90.+GetAngles(iplate,istrip);
1328 angles[3] = 90.;
1329 angles[4] = GetAngles(iplate,istrip);
1330 angles[5] = 90.;
1331 }
1332 else if (GetAngles(iplate,istrip)==0.) {
1333 angles[0] = 90.;
1334 angles[1] = 0.;
1335 angles[2] = 90.;
1336 angles[3] = 90.;
1337 angles[4] = 0;
1338 angles[5] = 0.;
1339 }
1340 else if (GetAngles(iplate,istrip) <0.) {
1341 angles[0] = 90.;
1342 angles[1] = 0.;
1343 angles[2] = 90.+GetAngles(iplate,istrip);
1344 angles[3] = 90.;
1345 angles[4] =-GetAngles(iplate,istrip);
1346 angles[5] = 270.;
1347 }
1348 Rotation(posLocal,angles);
1349
1350 step[0] =-0.5*kNpadX*fgkXPad;
1351 step[1] = 0.;
1352 step[2] =-0.5*kNpadZ*fgkZPad;
1353 Translation(posLocal,step);
1354
1355 step[0] = (ipadx+0.5)*fgkXPad;
1356 step[1] = 0.;
1357 step[2] = (ipadz+0.5)*fgkZPad;
1358 Translation(posLocal,step);
1359
1360 ypad=posLocal[1];
1361
1362 return ypad;
1363
1364}
1365//_____________________________________________________________________________
1366Float_t AliTOFGeometryV5::GetPadDz(Float_t *pos)
1367{
1368 //
1369 // Returns the x coordinate in the Pad reference frame
1370 //
1371
1372 Float_t zpad = -2.;
1373
1374 Float_t posLocal[3];
1375 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1376
1377 Int_t isector = GetSector(posLocal);
1378 if(isector == -1){
1379 //AliError("Detector Index could not be determined");
1380 return zpad;}
1381 Int_t iplate = GetPlate(posLocal);
1382 if(iplate == -1){
1383 //AliError("Detector Index could not be determined");
1384 return zpad;}
1385 Int_t istrip = GetStrip(posLocal);
1386 if(istrip == -1){
1387 //AliError("Detector Index could not be determined");
1388 return zpad;}
1389 Int_t ipadz = GetPadZ(posLocal);
1390 if(ipadz == -1){
1391 //AliError("Detector Index could not be determined");
1392 return zpad;}
1393 Int_t ipadx = GetPadX(posLocal);
1394 if(ipadx == -1){
1395 //AliError("Detector Index could not be determined");
1396 return zpad;}
1397
1398 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1399 Double_t angles[6] =
1400 {90., 90.+(isector+0.5)*fPhiSec,
1401 0., 0.,
1402 90., (isector+0.5)*fPhiSec
1403 };
1404 Rotation(posLocal,angles);
1405
1406 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1407 Translation(posLocal,step);
1408
1409 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1410 angles[0] = 90.;
1411 angles[1] = 0.;
1412 angles[2] = 0.;
1413 angles[3] = 0.;
1414 angles[4] = 90.;
1415 angles[5] =270.;
1416
1417 Rotation(posLocal,angles);
1418
1419 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1420 step[0] = 0.;
1421 step[1] = GetHeights(iplate,istrip);
1422 step[2] = -GetDistances(iplate,istrip);
1423 Translation(posLocal,step);
1424
1425 if (GetAngles(iplate,istrip) >0.) {
1426 angles[0] = 90.;
1427 angles[1] = 0.;
1428 angles[2] = 90.+GetAngles(iplate,istrip);
1429 angles[3] = 90.;
1430 angles[4] = GetAngles(iplate,istrip);
1431 angles[5] = 90.;
1432 }
1433 else if (GetAngles(iplate,istrip)==0.) {
1434 angles[0] = 90.;
1435 angles[1] = 0.;
1436 angles[2] = 90.;
1437 angles[3] = 90.;
1438 angles[4] = 0;
1439 angles[5] = 0.;
1440 }
1441 else if (GetAngles(iplate,istrip) <0.) {
1442 angles[0] = 90.;
1443 angles[1] = 0.;
1444 angles[2] = 90.+GetAngles(iplate,istrip);
1445 angles[3] = 90.;
1446 angles[4] =-GetAngles(iplate,istrip);
1447 angles[5] = 270.;
1448 }
1449 Rotation(posLocal,angles);
1450
1451 step[0] =-0.5*kNpadX*fgkXPad;
1452 step[1] = 0.;
1453 step[2] =-0.5*kNpadZ*fgkZPad;
1454 Translation(posLocal,step);
1455
1456 step[0] = (ipadx+0.5)*fgkXPad;
1457 step[1] = 0.;
1458 step[2] = (ipadz+0.5)*fgkZPad;
1459 Translation(posLocal,step);
1460
1461 zpad=posLocal[2];
1462
1463 return zpad;
1464
1465}
1466//_____________________________________________________________________________
1467
1468void AliTOFGeometryV5::Translation(Float_t *xyz, Float_t translationVector[3])
1469{
1470
1471 Int_t ii=0;
1472
1473 for (ii=0; ii<3; ii++)
1474 xyz[ii] -= translationVector[ii];
1475
1476 return;
1477
1478}
1479//_____________________________________________________________________________
1480
1481void AliTOFGeometryV5::Rotation(Float_t *xyz, Double_t rotationAngles[6])
1482{
1483
1484 Int_t ii=0;
1485 /*
1486 TRotMatrix *matrix = new TRotMatrix("matrix","matrix", angles[0], angles[1],
1487 angles[2], angles[3],
1488 angles[4], angles[5]);
1489 */
1490
1491 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1492
1493 Float_t xyzDummy[3] = {0., 0., 0.};
1494
1495 for (ii=0; ii<3; ii++) {
1496 xyzDummy[ii] =
1497 xyz[0]*TMath::Sin(rotationAngles[2*ii])*TMath::Cos(rotationAngles[2*ii+1]) +
1498 xyz[1]*TMath::Sin(rotationAngles[2*ii])*TMath::Sin(rotationAngles[2*ii+1]) +
1499 xyz[2]*TMath::Cos(rotationAngles[2*ii]);
1500 }
1501
1502 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1503
1504 return;
1505
1506}
1507//_____________________________________________________________________________
1508void AliTOFGeometryV5::InverseRotation(Float_t *xyz, Double_t rotationAngles[6])
1509{
1510
1511 Int_t ii=0;
1512
1513 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1514
1515 Float_t xyzDummy[3] = {0., 0., 0.};
1516
1517 xyzDummy[0] =
1518 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Cos(rotationAngles[1]) +
1519 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Cos(rotationAngles[3]) +
1520 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Cos(rotationAngles[5]);
1521
1522 xyzDummy[1] =
1523 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Sin(rotationAngles[1]) +
1524 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Sin(rotationAngles[3]) +
1525 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Sin(rotationAngles[5]);
1526
1527 xyzDummy[2] =
1528 xyz[0]*TMath::Cos(rotationAngles[0]) +
1529 xyz[1]*TMath::Cos(rotationAngles[2]) +
1530 xyz[2]*TMath::Cos(rotationAngles[4]);
1531
1532 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1533
1534 return;
1535
1536}
1537//_____________________________________________________________________________
a6a9820c 1538void AliTOFGeometryV5::GetVolumePath(Int_t *ind, Char_t *path ) {
1539 //--------------------------------------------------------------------
1540 // This function returns the colume path of a given pad
1541 //--------------------------------------------------------------------
1542 Int_t sector = ind[0];
1543 Char_t string1[100];
1544 Char_t string2[100];
1545 Char_t string3[100];
1546
1547 Int_t icopy=-1;
1548
1549 if(sector<3){
1550 icopy=sector+1;
1551 sprintf(string1,"/ALIC_1/B077_1/B075_%i/BTO3_1/FTOA_0/FLTA_0",icopy);
1552 }
1553 else if(sector<11){
1554 icopy=sector+3;
1555 sprintf(string1,"/ALIC_1/B077_1/B071_%i/BTO1_1/FTOA_0/FLTA_0",icopy);
1556 }
1557 else if(sector==11 || sector==12){
1558 icopy=sector-10;
1559 sprintf(string1,"/ALIC_1/B077_1/B074_%i/BTO2_1/FTOA_0/FLTA_0",icopy);
1560 if(fHoles)sprintf(string1,"/ALIC_1/B077_1/B074_%i/BTO2_1",icopy);
1561 }
1562 else {
1563 icopy=sector-12;
1564 sprintf(string1,"/ALIC_1/B077_1/B071_%i/BTO1_1/FTOA_0/FLTA_0",icopy);
1565 }
1566
1567 Int_t iplate=ind[1];
1568 Int_t istrip=ind[2];
1569 if( iplate==0) icopy=istrip;
1570 if( iplate==1) icopy=istrip+NStripC();
1571 if( iplate==2) icopy=istrip+NStripC()+NStripB();
1572 if( iplate==3) icopy=istrip+NStripC()+NStripB()+NStripA();
1573 if( iplate==4) icopy=istrip+NStripC()+2*NStripB()+NStripA();
1574 icopy++;
1575 sprintf(string2,"FSTR_%i",icopy);
1576 if(fHoles && (sector==11 || sector==12)){
1577 if(iplate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
1578 if(iplate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
1579 }
1580
1581
1582 Int_t padz = ind[3]+1;
1583 Int_t padx = ind[4]+1;
1584 sprintf(string3,"FPCB_1/FSEN_1/FSEZ_%i/FPAD_%i",padz,padx);
1585 sprintf(path,"%s/%s/%s",string1,string2,string3);
1586
1587}
1588//_____________________________________________________________________________
1589void AliTOFGeometryV5::GetPos(Int_t *det, Float_t *pos)
1590{
1591//
1592// Returns space point coor (x,y,z) (cm) for Detector
1593// Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
1594//
1595 Char_t path[100];
1596 GetVolumePath(det,path );
1597 if (!gGeoManager) {
1598 printf("ERROR: no TGeo\n");
1599 }
1600 gGeoManager->cd(path);
1601 TGeoHMatrix global;
1602 global = *gGeoManager->GetCurrentMatrix();
1603 const Double_t *tr = global.GetTranslation();
1604
1605 pos[0]=tr[0];
1606 pos[1]=tr[1];
1607 pos[2]=tr[2];
1608}
1609//_____________________________________________________________________________