1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 Revision 1.20.1 2007/05/19 decaro
19 Added the following methods:
20 GetVolumeIndices(Int_t index, Int_t *det), to get
21 the volume indices (sector, plate, strip, padz, padx,
22 stored respectively in det[0], det[1], det[2], det[3], det[4])
23 from the calibration channel index;
24 NStrip(Int_t nPlate), to get the strips number
25 per each kind of TOF module.
27 Revision 1.20 2007/10/08 17:52:55 decaro
28 hole region in front of PHOS detector: update of sectors' numbers
30 Revision 1.19 2007/10/04 14:05:09 zampolli
31 AliTOFGeometryV5 becoming AliTOFGeometry
33 Revision 1.18 2007/02/19 18:55:26 decaro
34 Added getter methods for volume path (for Event Display)
36 Revision 1.17.1 2006/12/15
37 Added method DetToStripRF(...) to get
38 a pad corner coordinates in its strip reference frame
39 (A.De Caro, M.Di Stefano)
40 Revision 1.17 2006/08/22 13:30:02 arcelli
41 removal of effective c++ warnings (C.Zampolli)
43 Revision 1.16 2006/04/20 22:30:50 hristov
44 Coding conventions (Annalisa)
46 Revision 1.15 2006/04/16 22:29:05 hristov
47 Coding conventions (Annalisa)
49 Revision 1.14 2006/04/05 08:35:38 hristov
50 Coding conventions (S.Arcelli, C.Zampolli)
52 Revision 1.13 2006/03/12 14:37:54 arcelli
53 Changes for TOF Reconstruction using TGeo
55 Revision 1.12 2006/02/28 10:38:00 decaro
56 AliTOFGeometry::fAngles, AliTOFGeometry::fHeights, AliTOFGeometry::fDistances arrays: dimension definition in the right location
58 Revision 1.11 2005/12/15 14:17:29 decaro
59 Correction of some parameter values
61 Revision 1.10 2005/12/15 08:55:32 decaro
62 New TOF geometry description (V5) -G. Cara Romeo and A. De Caro
64 Revision 1.9.1 2005/07/19 A. De Caro
65 Created daughter-classes AliTOFGeometryV4 and AliTOFGeometryV5
66 => moved global methods IsInsideThePad, DistanceToPad,
67 GetPlate, GetSector, GetStrip, GetPadX, GetPadZ,
68 GetX, GetY, GetZ, GetPadDx, GetPadDy and GetPadDz
71 Revision 1.9 2005/10/20 12:41:35 hristov
72 Implementation of parallel tracking. It is not the default version, one can use it passing option MI from AliReconstruction to TOF (M.Ivanov)
74 Revision 1.8 2004/11/29 08:28:01 decaro
75 Introduction of a new TOF constant (i.e. TDC bin width)
77 Revision 1.7 2004/11/05 07:20:08 decaro
78 TOF library splitting and conversion of some printout messages in AliLog schema (T.Kuhr)
80 Revision 1.6 2004/06/15 15:27:59 decaro
81 TOF raw data: preliminary implementation and style changes
83 Revision 1.5 2004/04/20 14:37:22 hristov
84 Using TMath::Abs instead of fabs, arrays of variable size created/deleted correctly (HP,Sun)
86 Revision 1.4 2004/04/13 09:42:51 decaro
87 Track reconstruction code for TOF: updating
89 Revision 1.3 2003/12/29 18:40:39 hristov
90 Copy/paste error corrected
92 Revision 1.2 2003/12/29 17:26:01 hristov
93 Using enum to initaialize static ints in the header file, the initialization of static floats moved to the implementation file
95 Revision 1.1 2003/12/29 15:18:03 decaro
96 TOF geometry updating (addition of AliTOFGeometry)
98 Revision 0.05 2004/6/11 A.De Caro
99 Implement Global method NpadXStrip
100 Insert four float constants (originally in AliTOF class)
101 Revision 0.04 2004/4/05 S.Arcelli
102 Implement Global methods IsInsideThePad
104 Revision 0.03 2003/12/14 S.Arcelli
105 Set Phi range [-180,180]->[0,360]
106 Revision 0.02 2003/12/10 S.Arcelli:
107 Implement Global methods GetPos & GetDetID
108 Revision 0.01 2003/12/04 S.Arcelli
111 ///////////////////////////////////////////////////////////////////////////////
113 // TOF Geometry class //
115 ///////////////////////////////////////////////////////////////////////////////
117 #include "TGeoManager.h"
118 //#include "TGeoMatrix.h"
121 #include "AliConst.h"
122 #include "AliGeomManager.h"
125 #include "AliTOFGeometry.h"
127 extern TGeoManager *gGeoManager;
129 ClassImp(AliTOFGeometry)
131 const Float_t AliTOFGeometry::fgkZlenA = 370.6*2.; // length (cm) of the A module
132 const Float_t AliTOFGeometry::fgkZlenB = 146.5; // length (cm) of the B module
133 const Float_t AliTOFGeometry::fgkZlenC = 170.45; // length (cm) of the C module
134 const Float_t AliTOFGeometry::fgkMaxhZtof = 370.6; // Max half z-size of TOF (cm)
136 const Float_t AliTOFGeometry::fgkxTOF = 372.00;// Inner radius of the TOF for Reconstruction (cm)
137 const Float_t AliTOFGeometry::fgkRmin = 371.00;// Inner radius of the TOF (cm)
138 const Float_t AliTOFGeometry::fgkRmax = 400.05;// Outer radius of the TOF (cm)
140 const Float_t AliTOFGeometry::fgkXPad = 2.5; // Pad size in the x direction (cm)
141 const Float_t AliTOFGeometry::fgkZPad = 3.5; // Pad size in the z direction (cm)
143 const Float_t AliTOFGeometry::fgkStripLength = 122.;// Strip Length (rho X phi direction) (cm)
145 const Float_t AliTOFGeometry::fgkSigmaForTail1= 2.; //Sig1 for simulation of TDC tails
146 const Float_t AliTOFGeometry::fgkSigmaForTail2= 0.5;//Sig2 for simulation of TDC tails
148 const Float_t AliTOFGeometry::fgkPhiSec= 20;//sector Phi width (deg)
150 const Float_t AliTOFGeometry::fgkTdcBin = 24.4; // time-of-flight bin width [ps]
151 const Float_t AliTOFGeometry::fgkToTBin = 48.8; // time-over-threshold bin width [ps]
153 const Float_t AliTOFGeometry::fgkDeadTime = 25E+03; // Single channel dead time (ps)
154 const Float_t AliTOFGeometry::fgkMatchingWindow = fgkTdcBin*TMath::Power(2,13); // Matching window (ps)
156 const Float_t AliTOFGeometry::fgkAngles[kNPlates][kMaxNstrip] = {
157 { 43.99, 43.20, 42.40, 41.59, 40.77, 39.94, 39.11, 38.25, 37.40, 36.53,
158 35.65, 34.76, 33.87, 32.96, 32.05, 31.13, 30.19, 29.24, 12.33, 0.00},
160 { 27.26, 26.28, 25.30, 24.31, 23.31, 22.31, 21.30, 20.29, 19.26, 18.24,
161 17.20, 16.16, 15.11, 14.05, 13.00, 11.93, 10.87, 9.80, 8.74, 0.00},
163 { 0.00, 6.30, 5.31, 4.25, 3.19, 2.12, 1.06, 0.00, -1.06, -2.12,
164 -3.19, -4.25, -5.31, -6.30, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00},
166 { -8.74, -9.80, -10.87, -11.93, -13.00, -14.05, -15.11, -16.16, -17.20, -18.24,
167 -19.26, -20.29, -21.30, -22.31, -23.31, -24.31, -25.30, -26.28, -27.26, 0.00},
169 {-12.33, -29.24, -30.19, -31.13, -32.05, -32.96, -33.87, -34.76, -35.65, -36.53,
170 -37.40, -38.25, -39.11, -39.94, -40.77, -41.59, -42.40, -43.20, -43.99, 0.00}
172 const Float_t AliTOFGeometry::fgkHeights[kNPlates][kMaxNstrip] = {
173 {-8.2, -7.5, -8.2, -7.7, -8.1, -7.6, -7.7, -7.7, -7.7, -7.7,
174 -7.5, -7.2, -7.3, -7.5, -7.6, -7.8, -8.3, -9.3, -3.1, 0.0},
176 {-7.9, -8.1, -8.5, -9.0, -10.1, -3.9, -5.9, -7.7, -10.1, -3.6,
177 -5.8, -8.0, -10.4, -4.4, -7.2, -10.2, -4.6, -7.4, -10.4, 0.0},
179 {-2.5, -10.4, -5.0, -9.9, -4.8, -9.9, -4.7, -10.2, -4.7, -9.9,
180 -4.8, -9.9, -5.0, -10.4, -2.5, 0.0, 0.0, 0.0, 0.0, 0.0},
182 {-10.4, -7.4, -4.6, -10.2, -7.2, -4.4, -10.4, -8.0, -5.8, -3.6,
183 -10.1, -7.7, -5.9, -3.9, -10.1, -9.0, -8.5, -8.1, -7.9, 0.0},
185 { -3.1, -9.3, -8.3, -7.8, -7.6, -7.5, -7.3, -7.2, -7.5, -7.7,
186 -7.7, -7.7, -7.7, -7.6, -8.1, -7.7, -8.2, -7.5, -8.2, 0.0}
190 const Float_t AliTOFGeometry::fgkDistances[kNPlates][kMaxNstrip] = {
191 { 364.1, 354.9, 344.5, 335.4, 325.5, 316.6, 307.2, 298.0, 288.9, 280.0,
192 271.3, 262.7, 254.0, 244.8, 236.1, 227.7, 219.1, 210.3, 205.7, 0.0},
194 { 194.2, 186.1, 177.9, 169.8, 161.5, 156.3, 147.8, 139.4, 130.9, 125.6,
195 117.3, 109.2, 101.1, 95.3, 87.1, 79.2, 73.0, 65.1, 57.6, 0.0},
197 { 49.5, 41.3, 35.3, 27.8, 21.2, 13.9, 7.0, 0.0, -7.0, -13.9,
198 -21.2, -27.8, -35.3, -41.3, -49.5, 0.0, 0.0, 0.0, 0.0, 0.0},
200 { -57.6, -65.1, -73.0, -79.2, -87.1, -95.3, -101.1, -109.2, -117.3, -125.6,
201 -130.9, -139.4, -147.8, -156.3, -161.5, -169.8, -177.9, -186.1, -194.2, 0.0},
203 {-205.7, -210.3, -219.1, -227.7, -236.1, -244.8, -254.0, -262.7, -271.3, -280.0,
204 -288.9, -298.0, -307.2, -316.6, -325.5, -335.4, -344.5, -354.9, -364.1, 0.0}
206 //_____________________________________________________________________________
207 AliTOFGeometry::AliTOFGeometry():
211 // AliTOFGeometry default constructor
216 //_____________________________________________________________________________
217 AliTOFGeometry::~AliTOFGeometry()
220 // AliTOFGeometry destructor
223 //_____________________________________________________________________________
224 void AliTOFGeometry::ImportGeometry(){
225 TGeoManager::Import("geometry.root");
227 //_____________________________________________________________________________
228 void AliTOFGeometry::GetPosPar(Int_t *det, Float_t *pos) const
231 // Returns space point coor (x,y,z) (cm) for Detector
232 // Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
240 //_____________________________________________________________________________
241 void AliTOFGeometry::GetDetID( Float_t *pos, Int_t *det) const
244 // Returns Detector Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
245 // space point coor (x,y,z) (cm)
248 det[0]=GetSector(pos);
249 det[1]=GetPlate(pos);
250 det[2]=GetStrip(pos);
255 //_____________________________________________________________________________
257 void AliTOFGeometry::DetToStripRF(Int_t nPadX, Int_t nPadZ, Float_t &x, Float_t &z) const
260 // Returns the local coordinates (x, z) in strip reference frame
261 // for the bottom corner of the pad number (nPadX, nPadZ)
264 const Float_t xCenterStrip = kNpadX * fgkXPad / 2.;
265 const Float_t zCenterStrip = kNpadZ * fgkZPad / 2.;
267 const Float_t xCenterPad = nPadX*fgkXPad + fgkXPad / 2.;
268 const Float_t zCenterPad = nPadZ*fgkZPad + fgkZPad / 2.;
270 x = xCenterPad - xCenterStrip;
271 z = zCenterPad - zCenterStrip;
275 x = (nPadX - kNpadX*0.5) * fgkXPad;
276 z = (nPadZ - kNpadZ*0.5) * fgkZPad;
280 //_____________________________________________________________________________
281 Float_t AliTOFGeometry::DistanceToPadPar(Int_t *det, Float_t *pos, Float_t *dist3d) const
284 // Returns distance of space point with coor pos (x,y,z) (cm) wrt
285 // pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
288 //Transform pos into Sector Frame
294 Float_t radius = TMath::Sqrt(x*x+y*y);
295 //Float_t phi=TMath::ATan(y/x);
296 //if(phi<0) phi = k2PI+phi; //2.*TMath::Pi()+phi;
297 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
298 // Get the local angle in the sector philoc
299 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5)*fgkPhiSec;
300 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
301 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
304 // Do the same for the selected pad
309 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
310 //Float_t padPhi = TMath::ATan(g[1]/g[0]);
311 //if(padPhi<0) padPhi = k2Pi + padPhi;
312 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
314 // Get the local angle in the sector philoc
315 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
316 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
317 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
318 Float_t padzs = g[2];
320 //Now move to local pad coordinate frame. Translate:
322 Float_t xt = xs-padxs;
323 Float_t yt = ys-padys;
324 Float_t zt = zs-padzs;
327 Float_t alpha = GetAngles(det[1],det[2]);
328 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
330 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
332 Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr);
343 //_____________________________________________________________________________
344 Bool_t AliTOFGeometry::IsInsideThePadPar(Int_t *det, Float_t *pos) const
347 // Returns true if space point with coor pos (x,y,z) (cm) falls
348 // inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
351 Bool_t isInside=false;
354 const Float_t khhony = 1.0 ; // heigth of HONY Layer
355 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
356 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
357 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
358 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
359 //const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
360 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
361 //const Float_t kwstripz = kwcpcbz;
362 //const Float_t klstripx = fgkStripLength;
365 const Float_t kPadDepth = 0.5;//0.05;//0.11;//0.16;// // heigth of Sensitive Layer
367 //Transform pos into Sector Frame
373 Float_t radius = TMath::Sqrt(x*x+y*y);
374 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
376 // Get the local angle in the sector philoc
377 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5) *fgkPhiSec;
378 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
379 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
382 // Do the same for the selected pad
387 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
388 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
390 // Get the local angle in the sector philoc
391 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
392 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
393 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
394 Float_t padzs = g[2];
396 //Now move to local pad coordinate frame. Translate:
398 Float_t xt = xs-padxs;
399 Float_t yt = ys-padys;
400 Float_t zt = zs-padzs;
404 Float_t alpha = GetAngles(det[1],det[2]);
405 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
407 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
409 if(TMath::Abs(xr)<=kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
414 //_____________________________________________________________________________
415 Bool_t AliTOFGeometry::IsInsideThePad(TGeoHMatrix mat, Float_t *pos, Float_t *dist3d) const
418 // Returns true if space point with coor pos (x,y,z) (cm) falls
419 // inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
422 const Float_t kPadDepth = 0.5; // heigth of Sensitive Layer
427 Double_t veclr[3]={-1.,-1.,-1.};
428 Double_t vecl[3]={-1.,-1.,-1.};
429 mat.MasterToLocal(vecg,veclr);
432 //take into account reflections
435 Float_t xr = vecl[0];
436 Float_t yr = vecl[1];
437 Float_t zr = vecl[2];
445 Bool_t isInside=false;
446 if(TMath::Abs(xr)<= kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
451 //_____________________________________________________________________________
452 void AliTOFGeometry::GetVolumePath(Int_t *ind, Char_t *path ) {
453 //--------------------------------------------------------------------
454 // This function returns the colume path of a given pad
455 //--------------------------------------------------------------------
456 Int_t sector = ind[0];
464 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
468 if( iplate==0) icopy=istrip;
469 if( iplate==1) icopy=istrip+NStripC();
470 if( iplate==2) icopy=istrip+NStripC()+NStripB();
471 if( iplate==3) icopy=istrip+NStripC()+NStripB()+NStripA();
472 if( iplate==4) icopy=istrip+NStripC()+2*NStripB()+NStripA();
474 sprintf(string2,"FTOA_0/FLTA_0/FSTR_%i",icopy);
475 if(fHoles && (sector==13 || sector==14 || sector==15)){
476 if(iplate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
477 if(iplate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
480 Int_t padz = ind[3]+1;
481 Int_t padx = ind[4]+1;
482 sprintf(string3,"FPCB_1/FSEN_1/FSEZ_%i/FPAD_%i",padz,padx);
483 sprintf(path,"%s/%s/%s",string1,string2,string3);
486 //_____________________________________________________________________________
487 void AliTOFGeometry::GetVolumePath(Int_t sector, Char_t *path ){
488 //--------------------------------------------------------------------
489 // This function returns the colume path of a given sector
490 //--------------------------------------------------------------------
494 Int_t icopy = sector;
496 sprintf(string,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
497 sprintf(path,"%s",string);
500 //_____________________________________________________________________________
501 void AliTOFGeometry::GetVolumePath(Int_t sector, Int_t plate, Int_t strip, Char_t *path ) {
502 //--------------------------------------------------------------------
503 // This function returns the colume path of a given strip
504 //--------------------------------------------------------------------
510 Int_t icopy = sector;
512 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
514 if(plate==0) icopy=strip;
515 if(plate==1) icopy=strip+NStripC();
516 if(plate==2) icopy=strip+NStripC()+NStripB();
517 if(plate==3) icopy=strip+NStripC()+NStripB()+NStripA();
518 if(plate==4) icopy=strip+NStripC()+2*NStripB()+NStripA();
520 sprintf(string2,"FTOA_0/FLTA_0/FSTR_%i",icopy);
521 if(fHoles && (sector==13 || sector==14 || sector==15)){
522 if(plate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
523 if(plate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
526 sprintf(string3,"FPCB_1/FSEN_1");
527 sprintf(path,"%s/%s/%s",string1,string2,string3);
530 //_____________________________________________________________________________
531 void AliTOFGeometry::GetPos(Int_t *det, Float_t *pos)
534 // Returns space point coor (x,y,z) (cm) for Detector
535 // Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
538 GetVolumePath(det,path );
540 printf("ERROR: no TGeo\n");
542 gGeoManager->cd(path);
544 global = *gGeoManager->GetCurrentMatrix();
545 const Double_t *tr = global.GetTranslation();
551 //_____________________________________________________________________________
552 Int_t AliTOFGeometry::GetPlate(Float_t *pos) const
555 // Returns the Plate index
557 const Float_t kInterCentrModBorder1 = 49.5;
558 const Float_t kInterCentrModBorder2 = 57.5;
559 const Float_t kExterInterModBorder1 = 196.0;
560 const Float_t kExterInterModBorder2 = 203.5;
562 const Float_t kLengthExInModBorder = 4.7;
563 const Float_t kLengthInCeModBorder = 7.0;
565 //const Float_t khAlWall = 0.1;
566 const Float_t kModuleWallThickness = 0.3;
567 //const Float_t kHoneycombLayerThickness = 1.5;
572 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
574 Int_t isector = GetSector(posLocal);
576 //AliError("Detector Index could not be determined");
580 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
582 {90., 90.+(isector+0.5)*fgkPhiSec,
584 90., (isector+0.5)*fgkPhiSec
586 Rotation(posLocal,angles);
588 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
589 Translation(posLocal,step);
591 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
599 Rotation(posLocal,angles);
601 Float_t yLocal = posLocal[1];
602 Float_t zLocal = posLocal[2];
604 Float_t deltaRhoLoc = (fgkRmax-fgkRmin)*0.5 - kModuleWallThickness + yLocal;
605 Float_t deltaZetaLoc = TMath::Abs(zLocal);
607 Float_t deltaRHOmax = 0.;
609 if (TMath::Abs(zLocal)>=kExterInterModBorder1 && TMath::Abs(zLocal)<=kExterInterModBorder2)
611 deltaRhoLoc -= kLengthExInModBorder;
612 deltaZetaLoc = kExterInterModBorder2-deltaZetaLoc;
613 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthExInModBorder; // old 5.35, new 4.8
615 if (deltaRhoLoc > deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) {
616 if (zLocal<0) iPlate = 0;
620 if (zLocal<0) iPlate = 1;
624 else if (TMath::Abs(zLocal)>=kInterCentrModBorder1 && TMath::Abs(zLocal)<=kInterCentrModBorder2)
626 deltaRhoLoc -= kLengthInCeModBorder;
627 deltaZetaLoc = deltaZetaLoc-kInterCentrModBorder1;
628 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthInCeModBorder; // old 0.39, new 0.2
630 if (deltaRhoLoc>deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) iPlate = 2;
632 if (zLocal<0) iPlate = 1;
637 if (zLocal>-fgkZlenA*0.5 && zLocal<-kExterInterModBorder2) iPlate = 0;
638 else if (zLocal>-kExterInterModBorder1 && zLocal<-kInterCentrModBorder2) iPlate = 1;
639 else if (zLocal>-kInterCentrModBorder1 && zLocal< kInterCentrModBorder1) iPlate = 2;
640 else if (zLocal> kInterCentrModBorder2 && zLocal< kExterInterModBorder1) iPlate = 3;
641 else if (zLocal> kExterInterModBorder2 && zLocal< fgkZlenA*0.5) iPlate = 4;
647 //_____________________________________________________________________________
648 Int_t AliTOFGeometry::GetSector(Float_t *pos) const
651 // Returns the Sector index
660 Float_t rho = TMath::Sqrt(x*x + y*y);
662 if (!((z>=-fgkZlenA*0.5 && z<=fgkZlenA*0.5) &&
663 (rho>=(fgkRmin) && rho<=(fgkRmax)))) {
664 //AliError("Detector Index could not be determined");
668 Float_t phi = TMath::Pi() + TMath::ATan2(-y,-x);
670 iSect = (Int_t) (phi*kRaddeg/fgkPhiSec);
675 //_____________________________________________________________________________
676 Int_t AliTOFGeometry::GetStrip(Float_t *pos) const
679 // Returns the Strip index
681 const Float_t khhony = 1.0 ; // heigth of HONY Layer
682 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
683 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
684 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
685 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
686 const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
687 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
688 const Float_t kwstripz = kwcpcbz;
689 const Float_t klstripx = fgkStripLength;
694 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
696 Int_t isector = GetSector(posLocal);
698 //AliError("Detector Index could not be determined");
700 Int_t iplate = GetPlate(posLocal);
702 //AliError("Detector Index could not be determined");
724 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
726 {90., 90.+(isector+0.5)*fgkPhiSec,
728 90., (isector+0.5)*fgkPhiSec
730 Rotation(posLocal,angles);
732 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
733 Translation(posLocal,step);
735 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
743 Rotation(posLocal,angles);
745 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
747 for (Int_t istrip=0; istrip<nstrips; istrip++){
749 Float_t posLoc2[3]={posLocal[0],posLocal[1],posLocal[2]};
752 step[1] = GetHeights(iplate,istrip);
753 step[2] = -GetDistances(iplate,istrip);
754 Translation(posLoc2,step);
756 if (GetAngles(iplate,istrip) >0.) {
759 angles[2] = 90.+GetAngles(iplate,istrip);
761 angles[4] = GetAngles(iplate,istrip);
764 else if (GetAngles(iplate,istrip)==0.) {
772 else if (GetAngles(iplate,istrip) <0.) {
775 angles[2] = 90.+GetAngles(iplate,istrip);
777 angles[4] =-GetAngles(iplate,istrip);
780 Rotation(posLoc2,angles);
782 if ((TMath::Abs(posLoc2[0])<=klstripx*0.5) &&
783 (TMath::Abs(posLoc2[1])<=khstripy*0.5) &&
784 (TMath::Abs(posLoc2[2])<=kwstripz*0.5)) {
787 for (Int_t jj=0; jj<3; jj++) posLocal[jj]=posLoc2[jj];
788 //AliInfo(Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ", posLocal[0],posLocal[1],posLocal[2]));
790 //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]));
794 if (totStrip>1) AliInfo(Form("total strip number found %2i",totStrip));
801 //_____________________________________________________________________________
802 Int_t AliTOFGeometry::GetPadZ(Float_t *pos) const
805 // Returns the Pad index along Z
807 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
808 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
809 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
814 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
816 Int_t isector = GetSector(posLocal);
818 //AliError("Detector Index could not be determined");
820 Int_t iplate = GetPlate(posLocal);
822 //AliError("Detector Index could not be determined");
824 Int_t istrip = GetStrip(posLocal);
826 //AliError("Detector Index could not be determined");
829 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
831 {90., 90.+(isector+0.5)*fgkPhiSec,
833 90., (isector+0.5)*fgkPhiSec
835 Rotation(posLocal,angles);
837 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
838 Translation(posLocal,step);
840 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
848 Rotation(posLocal,angles);
850 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
852 step[1] = GetHeights(iplate,istrip);
853 step[2] = -GetDistances(iplate,istrip);
854 Translation(posLocal,step);
856 if (GetAngles(iplate,istrip) >0.) {
859 angles[2] = 90.+GetAngles(iplate,istrip);
861 angles[4] = GetAngles(iplate,istrip);
864 else if (GetAngles(iplate,istrip)==0.) {
872 else if (GetAngles(iplate,istrip) <0.) {
875 angles[2] = 90.+GetAngles(iplate,istrip);
877 angles[4] =-GetAngles(iplate,istrip);
880 Rotation(posLocal,angles);
882 step[0] =-0.5*kNpadX*fgkXPad;
884 step[2] =-0.5*kNpadZ*fgkZPad;
885 Translation(posLocal,step);
887 iPadZ = (Int_t)(posLocal[2]/fgkZPad);
888 if (iPadZ==kNpadZ) iPadZ--;
889 else if (iPadZ>kNpadZ) iPadZ=-1;
894 //_____________________________________________________________________________
895 Int_t AliTOFGeometry::GetPadX(Float_t *pos) const
898 // Returns the Pad index along X
900 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
901 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
902 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
907 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
909 Int_t isector = GetSector(posLocal);
911 //AliError("Detector Index could not be determined");
913 Int_t iplate = GetPlate(posLocal);
915 //AliError("Detector Index could not be determined");
917 Int_t istrip = GetStrip(posLocal);
919 //AliError("Detector Index could not be determined");
922 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
924 {90., 90.+(isector+0.5)*fgkPhiSec,
926 90., (isector+0.5)*fgkPhiSec
928 Rotation(posLocal,angles);
930 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
931 Translation(posLocal,step);
933 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
941 Rotation(posLocal,angles);
943 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
945 step[1] = GetHeights(iplate,istrip);
946 step[2] = -GetDistances(iplate,istrip);
947 Translation(posLocal,step);
949 if (GetAngles(iplate,istrip) >0.) {
952 angles[2] = 90.+GetAngles(iplate,istrip);
954 angles[4] = GetAngles(iplate,istrip);
957 else if (GetAngles(iplate,istrip)==0.) {
965 else if (GetAngles(iplate,istrip) <0.) {
968 angles[2] = 90.+GetAngles(iplate,istrip);
970 angles[4] =-GetAngles(iplate,istrip);
973 Rotation(posLocal,angles);
975 step[0] =-0.5*kNpadX*fgkXPad;
977 step[2] =-0.5*kNpadZ*fgkZPad;
978 Translation(posLocal,step);
980 iPadX = (Int_t)(posLocal[0]/fgkXPad);
981 if (iPadX==kNpadX) iPadX--;
982 else if (iPadX>kNpadX) iPadX=-1;
987 //_____________________________________________________________________________
988 Float_t AliTOFGeometry::GetX(Int_t *det) const
991 // Returns X coordinate (cm)
994 Int_t isector = det[0];
995 Int_t iplate = det[1];
996 Int_t istrip = det[2];
997 Int_t ipadz = det[3];
998 Int_t ipadx = det[4];
1001 // Find out distance d on the plane wrt median phi:
1002 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
1004 // The radius r in xy plane:
1005 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1006 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1007 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1008 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1010 // local azimuthal angle in the sector philoc
1011 Float_t philoc = TMath::ATan(d/r);
1012 //if(philoc<0.) philoc = k2PI + philoc;
1014 // azimuthal angle in the global frame phi
1015 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1017 Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
1020 // Pad reference frame -> FSTR reference frame
1021 Float_t posLocal[3] = {0., 0., 0.};
1022 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1023 Translation(posLocal,step);
1025 step[0] = kNpadX*0.5*fgkXPad;
1027 step[2] = kNpadZ*0.5*fgkZPad;
1029 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1030 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1032 Translation(posLocal,step);
1034 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1036 if (GetAngles(iplate,istrip) >0.) {
1039 angles[2] = 90.+GetAngles(iplate,istrip);
1041 angles[4] = GetAngles(iplate,istrip);
1044 else if (GetAngles(iplate,istrip)==0.) {
1052 else if (GetAngles(iplate,istrip) <0.) {
1055 angles[2] = 90.+GetAngles(iplate,istrip);
1057 angles[4] =-GetAngles(iplate,istrip);
1061 InverseRotation(posLocal,angles);
1064 step[1] = -GetHeights(iplate,istrip);
1065 step[2] = GetDistances(iplate,istrip);
1066 Translation(posLocal,step);
1068 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1076 InverseRotation(posLocal,angles);
1078 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1081 step[2] = -((fgkRmax+fgkRmin)*0.5);
1082 Translation(posLocal,step);
1085 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1089 angles[5] = (isector+0.5)*fgkPhiSec;
1091 InverseRotation(posLocal,angles);
1093 Float_t xCoor = posLocal[0];
1098 //_____________________________________________________________________________
1099 Float_t AliTOFGeometry::GetY(Int_t *det) const
1102 // Returns Y coordinate (cm)
1105 Int_t isector = det[0];
1106 Int_t iplate = det[1];
1107 Int_t istrip = det[2];
1108 Int_t ipadz = det[3];
1109 Int_t ipadx = det[4];
1112 // Find out distance d on the plane wrt median phi:
1113 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
1115 // The radius r in xy plane:
1116 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1117 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1118 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1119 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1121 // local azimuthal angle in the sector philoc
1122 Float_t philoc = TMath::ATan(d/r);
1123 //if(philoc<0.) philoc = k2PI + philoc;
1125 // azimuthal angle in the global frame phi
1126 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1128 Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
1131 // Pad reference frame -> FSTR reference frame
1132 Float_t posLocal[3] = {0., 0., 0.};
1133 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1134 Translation(posLocal,step);
1136 step[0] = kNpadX*0.5*fgkXPad;
1138 step[2] = kNpadZ*0.5*fgkZPad;
1140 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1141 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1143 Translation(posLocal,step);
1145 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1148 if (GetAngles(iplate,istrip) >0.) {
1151 angles[2] = 90.+GetAngles(iplate,istrip);
1153 angles[4] = GetAngles(iplate,istrip);
1156 else if (GetAngles(iplate,istrip)==0.) {
1164 else if (GetAngles(iplate,istrip) <0.) {
1167 angles[2] = 90.+GetAngles(iplate,istrip);
1169 angles[4] =-GetAngles(iplate,istrip);
1173 InverseRotation(posLocal,angles);
1176 step[1] = -GetHeights(iplate,istrip);
1177 step[2] = GetDistances(iplate,istrip);
1178 Translation(posLocal,step);
1180 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1188 InverseRotation(posLocal,angles);
1190 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1193 step[2] = -((fgkRmax+fgkRmin)*0.5);
1194 Translation(posLocal,step);
1197 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1201 angles[5] = (isector+0.5)*fgkPhiSec;
1203 InverseRotation(posLocal,angles);
1205 Float_t yCoor = posLocal[1];
1211 //_____________________________________________________________________________
1212 Float_t AliTOFGeometry::GetZ(Int_t *det) const
1215 // Returns Z coordinate (cm)
1218 Int_t isector = det[0];
1219 Int_t iplate = det[1];
1220 Int_t istrip = det[2];
1221 Int_t ipadz = det[3];
1222 Int_t ipadx = det[4];
1225 Float_t zCoor = GetDistances(iplate,istrip) +
1226 (0.5-ipadz) * fgkZPad * TMath::Cos(GetAngles(iplate,istrip)*kDegrad);
1229 // Pad reference frame -> FSTR reference frame
1230 Float_t posLocal[3] = {0., 0., 0.};
1231 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1232 Translation(posLocal,step);
1234 step[0] = kNpadX*0.5*fgkXPad;
1236 step[2] = kNpadZ*0.5*fgkZPad;
1238 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1239 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1241 Translation(posLocal,step);
1243 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1245 if (GetAngles(iplate,istrip) >0.) {
1248 angles[2] = 90.+GetAngles(iplate,istrip);
1250 angles[4] = GetAngles(iplate,istrip);
1253 else if (GetAngles(iplate,istrip)==0.) {
1261 else if (GetAngles(iplate,istrip) <0.) {
1264 angles[2] = 90.+GetAngles(iplate,istrip);
1266 angles[4] =-GetAngles(iplate,istrip);
1270 InverseRotation(posLocal,angles);
1273 step[1] = -GetHeights(iplate,istrip);
1274 step[2] = GetDistances(iplate,istrip);
1275 Translation(posLocal,step);
1277 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1285 InverseRotation(posLocal,angles);
1287 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1290 step[2] = -((fgkRmax+fgkRmin)*0.5);
1291 Translation(posLocal,step);
1294 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1298 angles[5] = (isector+0.5)*fgkPhiSec;
1300 InverseRotation(posLocal,angles);
1302 Float_t zCoor = posLocal[2];
1307 //_____________________________________________________________________________
1309 void AliTOFGeometry::DetToSectorRF(Int_t vol[5], Double_t **coord)
1312 // Returns the local coordinates (x, y, z) in sector reference frame
1313 // for the 4 corners of each sector pad (vol[1], vol[2], vol[3], vol[4])
1316 if (!gGeoManager) printf("ERROR: no TGeo\n");
1318 // ALICE -> TOF Sector
1319 Char_t path1[100]="";
1320 GetVolumePath(vol[0],path1);
1321 gGeoManager->cd(path1);
1322 TGeoHMatrix aliceToSector;
1323 aliceToSector = *gGeoManager->GetCurrentMatrix();
1325 // TOF Sector -> ALICE
1326 //TGeoHMatrix sectorToALICE = aliceToSector.Inverse();
1329 Char_t path2[100]="";
1330 GetVolumePath(vol,path2);
1331 gGeoManager->cd(path2);
1332 TGeoHMatrix aliceToPad;
1333 aliceToPad = *gGeoManager->GetCurrentMatrix();
1336 TGeoHMatrix padToALICE = aliceToPad.Inverse();
1338 // TOF Pad -> TOF Sector
1339 TGeoHMatrix padToSector = padToALICE*aliceToSector;
1341 // TOF Sector -> TOF Pad
1342 //TGeoHMatrix sectorToPad = sectorToALICE*aliceToPad;
1344 // coordinates of the pad bottom corner
1345 Double_t **cornerPad = new Double_t*[4];
1346 for (Int_t ii=0; ii<4; ii++) cornerPad[ii] = new Double_t[3];
1348 cornerPad[0][0] = -fgkXPad/2.;
1349 cornerPad[0][1] = 0.;
1350 cornerPad[0][2] = -fgkZPad/2.;
1352 cornerPad[1][0] = fgkXPad/2.;
1353 cornerPad[1][1] = 0.;
1354 cornerPad[1][2] = -fgkZPad/2.;
1356 cornerPad[2][0] = fgkXPad/2.;
1357 cornerPad[2][1] = 0.;
1358 cornerPad[2][2] = fgkZPad/2.;
1360 cornerPad[3][0] = -fgkXPad/2.;
1361 cornerPad[3][1] = 0.;
1362 cornerPad[3][2] = fgkZPad/2.;
1364 for(Int_t aa=0; aa<4; aa++) for(Int_t bb=0; bb<3; bb++) coord[aa][bb]=0.;
1366 for (Int_t jj=0; jj<4; jj++) padToSector.MasterToLocal(&cornerPad[jj][0], &coord[jj][0]);
1370 //sectorToPad.LocalToMaster(cornerPad, coord);
1373 //_____________________________________________________________________________
1374 Float_t AliTOFGeometry::GetPadDx(Float_t *pos)
1377 // Returns the x coordinate in the Pad reference frame
1382 Float_t posLocal[3];
1383 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1385 Int_t isector = GetSector(posLocal);
1387 //AliError("Detector Index could not be determined");
1389 Int_t iplate = GetPlate(posLocal);
1391 //AliError("Detector Index could not be determined");
1393 Int_t istrip = GetStrip(posLocal);
1395 //AliError("Detector Index could not be determined");
1397 Int_t ipadz = GetPadZ(posLocal);
1399 //AliError("Detector Index could not be determined");
1401 Int_t ipadx = GetPadX(posLocal);
1403 //AliError("Detector Index could not be determined");
1406 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1407 Double_t angles[6] =
1408 {90., 90.+(isector+0.5)*fgkPhiSec,
1410 90., (isector+0.5)*fgkPhiSec
1412 Rotation(posLocal,angles);
1414 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1415 Translation(posLocal,step);
1417 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1425 Rotation(posLocal,angles);
1427 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1429 step[1] = GetHeights(iplate,istrip);
1430 step[2] = -GetDistances(iplate,istrip);
1431 Translation(posLocal,step);
1433 if (GetAngles(iplate,istrip) >0.) {
1436 angles[2] = 90.+GetAngles(iplate,istrip);
1438 angles[4] = GetAngles(iplate,istrip);
1441 else if (GetAngles(iplate,istrip)==0.) {
1449 else if (GetAngles(iplate,istrip) <0.) {
1452 angles[2] = 90.+GetAngles(iplate,istrip);
1454 angles[4] =-GetAngles(iplate,istrip);
1457 Rotation(posLocal,angles);
1459 step[0] =-0.5*kNpadX*fgkXPad;
1461 step[2] =-0.5*kNpadZ*fgkZPad;
1462 Translation(posLocal,step);
1464 step[0] = (ipadx+0.5)*fgkXPad;
1466 step[2] = (ipadz+0.5)*fgkZPad;
1467 Translation(posLocal,step);
1474 //_____________________________________________________________________________
1475 Float_t AliTOFGeometry::GetPadDy(Float_t *pos)
1478 // Returns the y coordinate in the Pad reference frame
1483 Float_t posLocal[3];
1484 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1486 Int_t isector = GetSector(posLocal);
1488 //AliError("Detector Index could not be determined");
1490 Int_t iplate = GetPlate(posLocal);
1492 //AliError("Detector Index could not be determined");
1494 Int_t istrip = GetStrip(posLocal);
1496 //AliError("Detector Index could not be determined");
1498 Int_t ipadz = GetPadZ(posLocal);
1500 //AliError("Detector Index could not be determined");
1502 Int_t ipadx = GetPadX(posLocal);
1504 //AliError("Detector Index could not be determined");
1507 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1508 Double_t angles[6] =
1509 {90., 90.+(isector+0.5)*fgkPhiSec,
1511 90., (isector+0.5)*fgkPhiSec
1513 Rotation(posLocal,angles);
1515 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1516 Translation(posLocal,step);
1518 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1526 Rotation(posLocal,angles);
1528 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1530 step[1] = GetHeights(iplate,istrip);
1531 step[2] = -GetDistances(iplate,istrip);
1532 Translation(posLocal,step);
1534 if (GetAngles(iplate,istrip) >0.) {
1537 angles[2] = 90.+GetAngles(iplate,istrip);
1539 angles[4] = GetAngles(iplate,istrip);
1542 else if (GetAngles(iplate,istrip)==0.) {
1550 else if (GetAngles(iplate,istrip) <0.) {
1553 angles[2] = 90.+GetAngles(iplate,istrip);
1555 angles[4] =-GetAngles(iplate,istrip);
1558 Rotation(posLocal,angles);
1560 step[0] =-0.5*kNpadX*fgkXPad;
1562 step[2] =-0.5*kNpadZ*fgkZPad;
1563 Translation(posLocal,step);
1565 step[0] = (ipadx+0.5)*fgkXPad;
1567 step[2] = (ipadz+0.5)*fgkZPad;
1568 Translation(posLocal,step);
1575 //_____________________________________________________________________________
1576 Float_t AliTOFGeometry::GetPadDz(Float_t *pos)
1579 // Returns the z coordinate in the Pad reference frame
1584 Float_t posLocal[3];
1585 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1587 Int_t isector = GetSector(posLocal);
1589 //AliError("Detector Index could not be determined");
1591 Int_t iplate = GetPlate(posLocal);
1593 //AliError("Detector Index could not be determined");
1595 Int_t istrip = GetStrip(posLocal);
1597 //AliError("Detector Index could not be determined");
1599 Int_t ipadz = GetPadZ(posLocal);
1601 //AliError("Detector Index could not be determined");
1603 Int_t ipadx = GetPadX(posLocal);
1605 //AliError("Detector Index could not be determined");
1608 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1609 Double_t angles[6] =
1610 {90., 90.+(isector+0.5)*fgkPhiSec,
1612 90., (isector+0.5)*fgkPhiSec
1614 Rotation(posLocal,angles);
1616 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1617 Translation(posLocal,step);
1619 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1627 Rotation(posLocal,angles);
1629 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1631 step[1] = GetHeights(iplate,istrip);
1632 step[2] = -GetDistances(iplate,istrip);
1633 Translation(posLocal,step);
1635 if (GetAngles(iplate,istrip) >0.) {
1638 angles[2] = 90.+GetAngles(iplate,istrip);
1640 angles[4] = GetAngles(iplate,istrip);
1643 else if (GetAngles(iplate,istrip)==0.) {
1651 else if (GetAngles(iplate,istrip) <0.) {
1654 angles[2] = 90.+GetAngles(iplate,istrip);
1656 angles[4] =-GetAngles(iplate,istrip);
1659 Rotation(posLocal,angles);
1661 step[0] =-0.5*kNpadX*fgkXPad;
1663 step[2] =-0.5*kNpadZ*fgkZPad;
1664 Translation(posLocal,step);
1666 step[0] = (ipadx+0.5)*fgkXPad;
1668 step[2] = (ipadz+0.5)*fgkZPad;
1669 Translation(posLocal,step);
1676 //_____________________________________________________________________________
1678 void AliTOFGeometry::Translation(Float_t *xyz, Float_t translationVector[3]) const
1681 // Return the vector xyz translated by translationVector vector
1686 for (ii=0; ii<3; ii++)
1687 xyz[ii] -= translationVector[ii];
1692 //_____________________________________________________________________________
1694 void AliTOFGeometry::Rotation(Float_t *xyz, Double_t rotationAngles[6]) const
1697 // Return the vector xyz rotated according to the rotationAngles angles
1702 TRotMatrix *matrix = new TRotMatrix("matrix","matrix", angles[0], angles[1],
1703 angles[2], angles[3],
1704 angles[4], angles[5]);
1707 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1709 Float_t xyzDummy[3] = {0., 0., 0.};
1711 for (ii=0; ii<3; ii++) {
1713 xyz[0]*TMath::Sin(rotationAngles[2*ii])*TMath::Cos(rotationAngles[2*ii+1]) +
1714 xyz[1]*TMath::Sin(rotationAngles[2*ii])*TMath::Sin(rotationAngles[2*ii+1]) +
1715 xyz[2]*TMath::Cos(rotationAngles[2*ii]);
1718 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1723 //_____________________________________________________________________________
1724 void AliTOFGeometry::InverseRotation(Float_t *xyz, Double_t rotationAngles[6]) const
1732 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1734 Float_t xyzDummy[3] = {0., 0., 0.};
1737 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Cos(rotationAngles[1]) +
1738 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Cos(rotationAngles[3]) +
1739 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Cos(rotationAngles[5]);
1742 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Sin(rotationAngles[1]) +
1743 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Sin(rotationAngles[3]) +
1744 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Sin(rotationAngles[5]);
1747 xyz[0]*TMath::Cos(rotationAngles[0]) +
1748 xyz[1]*TMath::Cos(rotationAngles[2]) +
1749 xyz[2]*TMath::Cos(rotationAngles[4]);
1751 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1756 //_____________________________________________________________________________
1758 Int_t AliTOFGeometry::GetIndex(Int_t *detId)
1760 //Retrieve calibration channel index
1761 Int_t isector = detId[0];
1762 if (isector >= kNSectors){
1763 printf("Wrong sector number in TOF (%d) !\n",isector);
1766 Int_t iplate = detId[1];
1767 if (iplate >= kNPlates){
1768 printf("Wrong plate number in TOF (%d) !\n",iplate);
1771 Int_t istrip = detId[2];
1772 Int_t stripOffset = GetStripNumberPerSM(iplate,istrip);
1773 if (stripOffset==-1) {
1774 printf("Wrong strip number per SM in TOF (%d) !\n",stripOffset);
1778 Int_t ipadz = detId[3];
1779 Int_t ipadx = detId[4];
1781 Int_t idet = ((2*(kNStripC+kNStripB)+kNStripA)*kNpadZ*kNpadX)*isector +
1782 (stripOffset*kNpadZ*kNpadX)+
1787 //_____________________________________________________________________________
1789 void AliTOFGeometry::GetVolumeIndices(Int_t index, Int_t *detId)
1792 // Retrieve volume indices from the calibration channel index
1795 detId[0] = index/NpadXStrip()/NStripXSector();
1797 Int_t dummyStripPerModule =
1798 ( index - ( NStripXSector()*NpadXStrip()*detId[0]) ) / NpadXStrip();
1799 if (dummyStripPerModule<kNStripC) {
1801 detId[2] = dummyStripPerModule;
1803 else if (dummyStripPerModule>=kNStripC && dummyStripPerModule<kNStripC+kNStripB) {
1805 detId[2] = dummyStripPerModule-kNStripC;
1807 else if (dummyStripPerModule>=kNStripC+kNStripB && dummyStripPerModule<kNStripC+kNStripB+kNStripA) {
1809 detId[2] = dummyStripPerModule-kNStripC-kNStripB;
1811 else if (dummyStripPerModule>=kNStripC+kNStripB+kNStripA && dummyStripPerModule<kNStripC+kNStripB+kNStripA+kNStripB) {
1813 detId[2] = dummyStripPerModule-kNStripC-kNStripB-kNStripA;
1815 else if (dummyStripPerModule>=kNStripC+kNStripB+kNStripA+kNStripB && dummyStripPerModule<NStripXSector()) {
1817 detId[2] = dummyStripPerModule-kNStripC-kNStripB-kNStripA-kNStripB;
1820 Int_t padPerStrip = ( index - ( NStripXSector()*NpadXStrip()*detId[0]) ) - dummyStripPerModule*NpadXStrip();
1822 detId[3] = padPerStrip / kNpadX; // padZ
1823 detId[4] = padPerStrip - detId[3]*kNpadX; // padX
1826 //_____________________________________________________________________________
1828 Int_t AliTOFGeometry::NStrip(Int_t nPlate)
1831 // Returns the strips number for the plate number 'nPlate'
1834 Int_t nStrips = kNStripC;
1854 //-------------------------------------------------------------------------
1856 UShort_t AliTOFGeometry::GetAliSensVolIndex(Int_t isector, Int_t iplate, Int_t istrip) const
1859 // Get the index of the TOF alignable volume in the AliGeomManager order.
1862 Int_t index = GetStripNumber(isector, iplate, istrip);
1864 UShort_t volIndex = AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,index);
1869 //-------------------------------------------------------------------------
1871 Int_t AliTOFGeometry::GetStripNumber(Int_t isector, Int_t iplate, Int_t istrip)
1874 // Get the serial number of the TOF strip number istrip [0,14/18],
1875 // in the module number iplate [0,4],
1876 // in the TOF SM number isector [0,17].
1877 // This number will range in [0,1637].
1880 Bool_t check = (isector >= kNSectors);
1883 printf("E-AliTOFGeometry::GetStripNumber: Wrong sector number in TOF (%d)!\n",isector);
1886 Int_t stripInSM = GetStripNumberPerSM(iplate, istrip);
1887 if (!check && stripInSM!=-1)
1888 index = (2*(kNStripC+kNStripB)+kNStripA)*isector + stripInSM;
1893 //-------------------------------------------------------------------------
1895 Int_t AliTOFGeometry::GetStripNumberPerSM(Int_t iplate, Int_t istrip)
1898 // Get the serial number of the TOF strip number istrip [0,14/18],
1899 // in the module number iplate [0,4].
1900 // This number will range in [0,90].
1906 (iplate<0 || iplate>=kNPlates)
1909 (iplate==2 && (istrip<0 || istrip>=kNStripA))
1911 (iplate!=2 && (istrip<0 || istrip>=kNStripC))
1915 if (iplate<0 || iplate>=kNPlates)
1916 printf("E-AliTOFGeometry::GetStripNumberPerSM: Wrong plate number in TOF (%1d)!\n",iplate);
1919 (iplate==2 && (istrip<0 || istrip>=kNStripA))
1921 (iplate!=2 && (istrip<0 || istrip>=kNStripC))
1923 printf("E-AliTOFGeometry::GetStripNumberPerSM: Wrong strip number in TOF (strip=%2d in the plate=%1d)!\n",istrip,iplate);
1925 Int_t stripOffset = 0;
1931 stripOffset = kNStripC;
1934 stripOffset = kNStripC+kNStripB;
1937 stripOffset = kNStripC+kNStripB+kNStripA;
1940 stripOffset = kNStripC+kNStripB+kNStripA+kNStripB;
1944 if (!check) index = stripOffset + istrip;