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"
122 #include "AliConst.h"
124 #include "AliTOFGeometry.h"
126 extern TGeoManager *gGeoManager;
128 ClassImp(AliTOFGeometry)
130 const Float_t AliTOFGeometry::fgkZlenA = 370.6*2.; // length (cm) of the A module
131 const Float_t AliTOFGeometry::fgkZlenB = 146.5; // length (cm) of the B module
132 const Float_t AliTOFGeometry::fgkZlenC = 170.45; // length (cm) of the C module
133 const Float_t AliTOFGeometry::fgkMaxhZtof = 370.6; // Max half z-size of TOF (cm)
135 const Float_t AliTOFGeometry::fgkxTOF = 372.00;// Inner radius of the TOF for Reconstruction (cm)
136 const Float_t AliTOFGeometry::fgkRmin = 371.00;// Inner radius of the TOF (cm)
137 const Float_t AliTOFGeometry::fgkRmax = 400.05;// Outer radius of the TOF (cm)
139 const Float_t AliTOFGeometry::fgkXPad = 2.5; // Pad size in the x direction (cm)
140 const Float_t AliTOFGeometry::fgkZPad = 3.5; // Pad size in the z direction (cm)
142 const Float_t AliTOFGeometry::fgkStripLength = 122.;// Strip Length (rho X phi direction) (cm)
144 const Float_t AliTOFGeometry::fgkSigmaForTail1= 2.; //Sig1 for simulation of TDC tails
145 const Float_t AliTOFGeometry::fgkSigmaForTail2= 0.5;//Sig2 for simulation of TDC tails
147 const Float_t AliTOFGeometry::fgkPhiSec= 20;//sector Phi width (deg)
149 const Float_t AliTOFGeometry::fgkTdcBin = 24.4; // time-of-flight bin width [ps]
150 const Float_t AliTOFGeometry::fgkToTBin = 48.8; // time-over-threshold bin width [ps]
152 const Float_t AliTOFGeometry::fgkDeadTime = 25E+03; // Single channel dead time (ps)
153 const Float_t AliTOFGeometry::fgkMatchingWindow = fgkTdcBin*TMath::Power(2,13); // Matching window (ps)
155 const Float_t AliTOFGeometry::fgkAngles[kNPlates][kMaxNstrip] = {
156 { 43.99, 43.20, 42.40, 41.59, 40.77, 39.94, 39.11, 38.25, 37.40, 36.53,
157 35.65, 34.76, 33.87, 32.96, 32.05, 31.13, 30.19, 29.24, 12.33, 0.00},
159 { 27.26, 26.28, 25.30, 24.31, 23.31, 22.31, 21.30, 20.29, 19.26, 18.24,
160 17.20, 16.16, 15.11, 14.05, 13.00, 11.93, 10.87, 9.80, 8.74, 0.00},
162 { 0.00, 6.30, 5.31, 4.25, 3.19, 2.12, 1.06, 0.00, -1.06, -2.12,
163 -3.19, -4.25, -5.31, -6.30, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00},
165 { -8.74, -9.80, -10.87, -11.93, -13.00, -14.05, -15.11, -16.16, -17.20, -18.24,
166 -19.26, -20.29, -21.30, -22.31, -23.31, -24.31, -25.30, -26.28, -27.26, 0.00},
168 {-12.33, -29.24, -30.19, -31.13, -32.05, -32.96, -33.87, -34.76, -35.65, -36.53,
169 -37.40, -38.25, -39.11, -39.94, -40.77, -41.59, -42.40, -43.20, -43.99, 0.00}
171 const Float_t AliTOFGeometry::fgkHeights[kNPlates][kMaxNstrip] = {
172 {-8.2, -7.5, -8.2, -7.7, -8.1, -7.6, -7.7, -7.7, -7.7, -7.7,
173 -7.5, -7.2, -7.3, -7.5, -7.6, -7.8, -8.3, -9.3, -3.1, 0.0},
175 {-7.9, -8.1, -8.5, -9.0, -10.1, -3.9, -5.9, -7.7, -10.1, -3.6,
176 -5.8, -8.0, -10.4, -4.4, -7.2, -10.2, -4.6, -7.4, -10.4, 0.0},
178 {-2.5, -10.4, -5.0, -9.9, -4.8, -9.9, -4.7, -10.2, -4.7, -9.9,
179 -4.8, -9.9, -5.0, -10.4, -2.5, 0.0, 0.0, 0.0, 0.0, 0.0},
181 {-10.4, -7.4, -4.6, -10.2, -7.2, -4.4, -10.4, -8.0, -5.8, -3.6,
182 -10.1, -7.7, -5.9, -3.9, -10.1, -9.0, -8.5, -8.1, -7.9, 0.0},
184 { -3.1, -9.3, -8.3, -7.8, -7.6, -7.5, -7.3, -7.2, -7.5, -7.7,
185 -7.7, -7.7, -7.7, -7.6, -8.1, -7.7, -8.2, -7.5, -8.2, 0.0}
189 const Float_t AliTOFGeometry::fgkDistances[kNPlates][kMaxNstrip] = {
190 { 364.1, 354.9, 344.5, 335.4, 325.5, 316.6, 307.2, 298.0, 288.9, 280.0,
191 271.3, 262.7, 254.0, 244.8, 236.1, 227.7, 219.1, 210.3, 205.7, 0.0},
193 { 194.2, 186.1, 177.9, 169.8, 161.5, 156.3, 147.8, 139.4, 130.9, 125.6,
194 117.3, 109.2, 101.1, 95.3, 87.1, 79.2, 73.0, 65.1, 57.6, 0.0},
196 { 49.5, 41.3, 35.3, 27.8, 21.2, 13.9, 7.0, 0.0, -7.0, -13.9,
197 -21.2, -27.8, -35.3, -41.3, -49.5, 0.0, 0.0, 0.0, 0.0, 0.0},
199 { -57.6, -65.1, -73.0, -79.2, -87.1, -95.3, -101.1, -109.2, -117.3, -125.6,
200 -130.9, -139.4, -147.8, -156.3, -161.5, -169.8, -177.9, -186.1, -194.2, 0.0},
202 {-205.7, -210.3, -219.1, -227.7, -236.1, -244.8, -254.0, -262.7, -271.3, -280.0,
203 -288.9, -298.0, -307.2, -316.6, -325.5, -335.4, -344.5, -354.9, -364.1, 0.0}
205 //_____________________________________________________________________________
206 AliTOFGeometry::AliTOFGeometry():
210 // AliTOFGeometry default constructor
215 //_____________________________________________________________________________
216 AliTOFGeometry::~AliTOFGeometry()
219 // AliTOFGeometry destructor
222 //_____________________________________________________________________________
223 void AliTOFGeometry::ImportGeometry(){
224 TGeoManager::Import("geometry.root");
226 //_____________________________________________________________________________
227 void AliTOFGeometry::GetPosPar(Int_t *det, Float_t *pos) const
230 // Returns space point coor (x,y,z) (cm) for Detector
231 // Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
239 //_____________________________________________________________________________
240 void AliTOFGeometry::GetDetID( Float_t *pos, Int_t *det) const
243 // Returns Detector Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
244 // space point coor (x,y,z) (cm)
247 det[0]=GetSector(pos);
248 det[1]=GetPlate(pos);
249 det[2]=GetStrip(pos);
254 //_____________________________________________________________________________
256 void AliTOFGeometry::DetToStripRF(Int_t nPadX, Int_t nPadZ, Float_t &x, Float_t &z) const
259 // Returns the local coordinates (x, z) in strip reference frame
260 // for the bottom corner of the pad number (nPadX, nPadZ)
263 const Float_t xCenterStrip = kNpadX * fgkXPad / 2.;
264 const Float_t zCenterStrip = kNpadZ * fgkZPad / 2.;
266 const Float_t xCenterPad = nPadX*fgkXPad + fgkXPad / 2.;
267 const Float_t zCenterPad = nPadZ*fgkZPad + fgkZPad / 2.;
269 x = xCenterPad - xCenterStrip;
270 z = zCenterPad - zCenterStrip;
274 x = (nPadX - kNpadX*0.5) * fgkXPad;
275 z = (nPadZ - kNpadZ*0.5) * fgkZPad;
279 //_____________________________________________________________________________
280 Float_t AliTOFGeometry::DistanceToPadPar(Int_t *det, Float_t *pos, Float_t *dist3d) const
283 // Returns distance of space point with coor pos (x,y,z) (cm) wrt
284 // pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
287 //Transform pos into Sector Frame
293 Float_t radius = TMath::Sqrt(x*x+y*y);
294 //Float_t phi=TMath::ATan(y/x);
295 //if(phi<0) phi = k2PI+phi; //2.*TMath::Pi()+phi;
296 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
297 // Get the local angle in the sector philoc
298 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5)*fgkPhiSec;
299 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
300 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
303 // Do the same for the selected pad
308 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
309 //Float_t padPhi = TMath::ATan(g[1]/g[0]);
310 //if(padPhi<0) padPhi = k2Pi + padPhi;
311 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
313 // Get the local angle in the sector philoc
314 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
315 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
316 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
317 Float_t padzs = g[2];
319 //Now move to local pad coordinate frame. Translate:
321 Float_t xt = xs-padxs;
322 Float_t yt = ys-padys;
323 Float_t zt = zs-padzs;
326 Float_t alpha = GetAngles(det[1],det[2]);
327 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
329 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
331 Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr);
342 //_____________________________________________________________________________
343 Bool_t AliTOFGeometry::IsInsideThePadPar(Int_t *det, Float_t *pos) const
346 // Returns true if space point with coor pos (x,y,z) (cm) falls
347 // inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
350 Bool_t isInside=false;
353 const Float_t khhony = 1.0 ; // heigth of HONY Layer
354 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
355 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
356 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
357 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
358 //const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
359 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
360 //const Float_t kwstripz = kwcpcbz;
361 //const Float_t klstripx = fgkStripLength;
364 const Float_t kPadDepth = 0.5;//0.05;//0.11;//0.16;// // heigth of Sensitive Layer
366 //Transform pos into Sector Frame
372 Float_t radius = TMath::Sqrt(x*x+y*y);
373 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
375 // Get the local angle in the sector philoc
376 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5) *fgkPhiSec;
377 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
378 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
381 // Do the same for the selected pad
386 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
387 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
389 // Get the local angle in the sector philoc
390 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
391 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
392 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
393 Float_t padzs = g[2];
395 //Now move to local pad coordinate frame. Translate:
397 Float_t xt = xs-padxs;
398 Float_t yt = ys-padys;
399 Float_t zt = zs-padzs;
403 Float_t alpha = GetAngles(det[1],det[2]);
404 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
406 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
408 if(TMath::Abs(xr)<=kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
413 //_____________________________________________________________________________
414 Bool_t AliTOFGeometry::IsInsideThePad(TGeoHMatrix mat, Float_t *pos, Float_t *dist3d) const
417 // Returns true if space point with coor pos (x,y,z) (cm) falls
418 // inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
421 const Float_t kPadDepth = 0.5; // heigth of Sensitive Layer
426 Double_t veclr[3]={-1.,-1.,-1.};
427 Double_t vecl[3]={-1.,-1.,-1.};
428 mat.MasterToLocal(vecg,veclr);
431 //take into account reflections
434 Float_t xr = vecl[0];
435 Float_t yr = vecl[1];
436 Float_t zr = vecl[2];
444 Bool_t isInside=false;
445 if(TMath::Abs(xr)<= kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
450 //_____________________________________________________________________________
451 void AliTOFGeometry::GetVolumePath(Int_t *ind, Char_t *path ) {
452 //--------------------------------------------------------------------
453 // This function returns the colume path of a given pad
454 //--------------------------------------------------------------------
455 Int_t sector = ind[0];
463 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
467 if( iplate==0) icopy=istrip;
468 if( iplate==1) icopy=istrip+NStripC();
469 if( iplate==2) icopy=istrip+NStripC()+NStripB();
470 if( iplate==3) icopy=istrip+NStripC()+NStripB()+NStripA();
471 if( iplate==4) icopy=istrip+NStripC()+2*NStripB()+NStripA();
473 sprintf(string2,"FTOA_0/FLTA_0/FSTR_%i",icopy);
474 if(fHoles && (sector==13 || sector==14 || sector==15)){
475 if(iplate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
476 if(iplate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
479 Int_t padz = ind[3]+1;
480 Int_t padx = ind[4]+1;
481 sprintf(string3,"FPCB_1/FSEN_1/FSEZ_%i/FPAD_%i",padz,padx);
482 sprintf(path,"%s/%s/%s",string1,string2,string3);
485 //_____________________________________________________________________________
486 void AliTOFGeometry::GetVolumePath(Int_t sector, Char_t *path ){
487 //--------------------------------------------------------------------
488 // This function returns the colume path of a given sector
489 //--------------------------------------------------------------------
493 Int_t icopy = sector;
495 sprintf(string,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
496 sprintf(path,"%s",string);
499 //_____________________________________________________________________________
500 void AliTOFGeometry::GetVolumePath(Int_t sector, Int_t plate, Int_t strip, Char_t *path ) {
501 //--------------------------------------------------------------------
502 // This function returns the colume path of a given strip
503 //--------------------------------------------------------------------
509 Int_t icopy = sector;
511 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
513 if(plate==0) icopy=strip;
514 if(plate==1) icopy=strip+NStripC();
515 if(plate==2) icopy=strip+NStripC()+NStripB();
516 if(plate==3) icopy=strip+NStripC()+NStripB()+NStripA();
517 if(plate==4) icopy=strip+NStripC()+2*NStripB()+NStripA();
519 sprintf(string2,"FTOA_0/FLTA_0/FSTR_%i",icopy);
520 if(fHoles && (sector==13 || sector==14 || sector==15)){
521 if(plate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
522 if(plate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
525 sprintf(string3,"FPCB_1/FSEN_1");
526 sprintf(path,"%s/%s/%s",string1,string2,string3);
529 //_____________________________________________________________________________
530 void AliTOFGeometry::GetPos(Int_t *det, Float_t *pos)
533 // Returns space point coor (x,y,z) (cm) for Detector
534 // Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
537 GetVolumePath(det,path );
539 printf("ERROR: no TGeo\n");
541 gGeoManager->cd(path);
543 global = *gGeoManager->GetCurrentMatrix();
544 const Double_t *tr = global.GetTranslation();
550 //_____________________________________________________________________________
551 Int_t AliTOFGeometry::GetPlate(Float_t *pos) const
554 // Returns the Plate index
556 const Float_t kInterCentrModBorder1 = 49.5;
557 const Float_t kInterCentrModBorder2 = 57.5;
558 const Float_t kExterInterModBorder1 = 196.0;
559 const Float_t kExterInterModBorder2 = 203.5;
561 const Float_t kLengthExInModBorder = 4.7;
562 const Float_t kLengthInCeModBorder = 7.0;
564 //const Float_t khAlWall = 0.1;
565 const Float_t kModuleWallThickness = 0.3;
566 //const Float_t kHoneycombLayerThickness = 1.5;
571 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
573 Int_t isector = GetSector(posLocal);
575 //AliError("Detector Index could not be determined");
579 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
581 {90., 90.+(isector+0.5)*fgkPhiSec,
583 90., (isector+0.5)*fgkPhiSec
585 Rotation(posLocal,angles);
587 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
588 Translation(posLocal,step);
590 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
598 Rotation(posLocal,angles);
600 Float_t yLocal = posLocal[1];
601 Float_t zLocal = posLocal[2];
603 Float_t deltaRhoLoc = (fgkRmax-fgkRmin)*0.5 - kModuleWallThickness + yLocal;
604 Float_t deltaZetaLoc = TMath::Abs(zLocal);
606 Float_t deltaRHOmax = 0.;
608 if (TMath::Abs(zLocal)>=kExterInterModBorder1 && TMath::Abs(zLocal)<=kExterInterModBorder2)
610 deltaRhoLoc -= kLengthExInModBorder;
611 deltaZetaLoc = kExterInterModBorder2-deltaZetaLoc;
612 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthExInModBorder; // old 5.35, new 4.8
614 if (deltaRhoLoc > deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) {
615 if (zLocal<0) iPlate = 0;
619 if (zLocal<0) iPlate = 1;
623 else if (TMath::Abs(zLocal)>=kInterCentrModBorder1 && TMath::Abs(zLocal)<=kInterCentrModBorder2)
625 deltaRhoLoc -= kLengthInCeModBorder;
626 deltaZetaLoc = deltaZetaLoc-kInterCentrModBorder1;
627 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthInCeModBorder; // old 0.39, new 0.2
629 if (deltaRhoLoc>deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) iPlate = 2;
631 if (zLocal<0) iPlate = 1;
636 if (zLocal>-fgkZlenA*0.5/*fgkMaxhZtof*/ && zLocal<-kExterInterModBorder2) iPlate = 0;
637 else if (zLocal>-kExterInterModBorder1 && zLocal<-kInterCentrModBorder2) iPlate = 1;
638 else if (zLocal>-kInterCentrModBorder1 && zLocal< kInterCentrModBorder1) iPlate = 2;
639 else if (zLocal> kInterCentrModBorder2 && zLocal< kExterInterModBorder1) iPlate = 3;
640 else if (zLocal> kExterInterModBorder2 && zLocal< fgkZlenA*0.5/*fgkMaxhZtof*/) iPlate = 4;
646 //_____________________________________________________________________________
647 Int_t AliTOFGeometry::GetSector(Float_t *pos) const
650 // Returns the Sector index
653 //const Float_t khAlWall = 0.1;
654 //const Float_t kModuleWallThickness = 0.3;
662 Float_t rho = TMath::Sqrt(x*x + y*y);
664 //if (!((z>=-fgkMaxhZtof && z<=fgkMaxhZtof) &&
665 if (!((z>=-fgkZlenA*0.5 && z<=fgkZlenA*0.5) &&
666 (rho>=(fgkRmin) && rho<=(fgkRmax)))) {
667 //(rho>=(fgkRmin-0.05)+kModuleWallThickness && rho<=(fgkRmax-0.05)-kModuleWallThickness-khAlWall-kModuleWallThickness))) {
668 //AliError("Detector Index could not be determined");
672 Float_t phi = TMath::Pi() + TMath::ATan2(-y,-x);
674 iSect = (Int_t) (phi*kRaddeg/fgkPhiSec);
679 //_____________________________________________________________________________
680 Int_t AliTOFGeometry::GetStrip(Float_t *pos) const
683 // Returns the Strip index
685 const Float_t khhony = 1.0 ; // heigth of HONY Layer
686 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
687 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
688 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
689 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
690 const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
691 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
692 const Float_t kwstripz = kwcpcbz;
693 const Float_t klstripx = fgkStripLength;
698 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
700 Int_t isector = GetSector(posLocal);
702 //AliError("Detector Index could not be determined");
704 Int_t iplate = GetPlate(posLocal);
706 //AliError("Detector Index could not be determined");
728 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
730 {90., 90.+(isector+0.5)*fgkPhiSec,
732 90., (isector+0.5)*fgkPhiSec
734 Rotation(posLocal,angles);
736 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
737 Translation(posLocal,step);
739 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
747 Rotation(posLocal,angles);
749 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
751 for (Int_t istrip=0; istrip<nstrips; istrip++){
753 Float_t posLoc2[3]={posLocal[0],posLocal[1],posLocal[2]};
756 step[1] = GetHeights(iplate,istrip);
757 step[2] = -GetDistances(iplate,istrip);
758 Translation(posLoc2,step);
760 if (GetAngles(iplate,istrip) >0.) {
763 angles[2] = 90.+GetAngles(iplate,istrip);
765 angles[4] = GetAngles(iplate,istrip);
768 else if (GetAngles(iplate,istrip)==0.) {
776 else if (GetAngles(iplate,istrip) <0.) {
779 angles[2] = 90.+GetAngles(iplate,istrip);
781 angles[4] =-GetAngles(iplate,istrip);
784 Rotation(posLoc2,angles);
786 if ((TMath::Abs(posLoc2[0])<=klstripx*0.5) &&
787 (TMath::Abs(posLoc2[1])<=khstripy*0.5) &&
788 (TMath::Abs(posLoc2[2])<=kwstripz*0.5)) {
791 for (Int_t jj=0; jj<3; jj++) posLocal[jj]=posLoc2[jj];
792 //AliInfo(Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ", posLocal[0],posLocal[1],posLocal[2]));
794 //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]));
798 if (totStrip>1) AliInfo(Form("total strip number found %2i",totStrip));
805 //_____________________________________________________________________________
806 Int_t AliTOFGeometry::GetPadZ(Float_t *pos) const
809 // Returns the Pad index along Z
811 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
812 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
813 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
818 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
820 Int_t isector = GetSector(posLocal);
822 //AliError("Detector Index could not be determined");
824 Int_t iplate = GetPlate(posLocal);
826 //AliError("Detector Index could not be determined");
828 Int_t istrip = GetStrip(posLocal);
830 //AliError("Detector Index could not be determined");
833 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
835 {90., 90.+(isector+0.5)*fgkPhiSec,
837 90., (isector+0.5)*fgkPhiSec
839 Rotation(posLocal,angles);
841 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
842 Translation(posLocal,step);
844 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
852 Rotation(posLocal,angles);
854 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
856 step[1] = GetHeights(iplate,istrip);
857 step[2] = -GetDistances(iplate,istrip);
858 Translation(posLocal,step);
860 if (GetAngles(iplate,istrip) >0.) {
863 angles[2] = 90.+GetAngles(iplate,istrip);
865 angles[4] = GetAngles(iplate,istrip);
868 else if (GetAngles(iplate,istrip)==0.) {
876 else if (GetAngles(iplate,istrip) <0.) {
879 angles[2] = 90.+GetAngles(iplate,istrip);
881 angles[4] =-GetAngles(iplate,istrip);
884 Rotation(posLocal,angles);
886 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
887 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
889 step[0] =-0.5*kNpadX*fgkXPad;
891 step[2] =-0.5*kNpadZ*fgkZPad;
892 Translation(posLocal,step);
894 iPadZ = (Int_t)(posLocal[2]/fgkZPad);
895 if (iPadZ==kNpadZ) iPadZ--;
896 else if (iPadZ>kNpadZ) iPadZ=-1;
899 // else AliError("Detector Index could not be determined");
904 //_____________________________________________________________________________
905 Int_t AliTOFGeometry::GetPadX(Float_t *pos) const
908 // Returns the Pad index along X
910 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
911 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
912 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
917 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
919 Int_t isector = GetSector(posLocal);
921 //AliError("Detector Index could not be determined");
923 Int_t iplate = GetPlate(posLocal);
925 //AliError("Detector Index could not be determined");
927 Int_t istrip = GetStrip(posLocal);
929 //AliError("Detector Index could not be determined");
932 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
934 {90., 90.+(isector+0.5)*fgkPhiSec,
936 90., (isector+0.5)*fgkPhiSec
938 Rotation(posLocal,angles);
940 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
941 Translation(posLocal,step);
943 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
951 Rotation(posLocal,angles);
953 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
955 step[1] = GetHeights(iplate,istrip);
956 step[2] = -GetDistances(iplate,istrip);
957 Translation(posLocal,step);
959 if (GetAngles(iplate,istrip) >0.) {
962 angles[2] = 90.+GetAngles(iplate,istrip);
964 angles[4] = GetAngles(iplate,istrip);
967 else if (GetAngles(iplate,istrip)==0.) {
975 else if (GetAngles(iplate,istrip) <0.) {
978 angles[2] = 90.+GetAngles(iplate,istrip);
980 angles[4] =-GetAngles(iplate,istrip);
983 Rotation(posLocal,angles);
985 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
986 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
988 step[0] =-0.5*kNpadX*fgkXPad;
990 step[2] =-0.5*kNpadZ*fgkZPad;
991 Translation(posLocal,step);
993 iPadX = (Int_t)(posLocal[0]/fgkXPad);
994 if (iPadX==kNpadX) iPadX--;
995 else if (iPadX>kNpadX) iPadX=-1;
998 //else AliError("Detector Index could not be determined");
1003 //_____________________________________________________________________________
1004 Float_t AliTOFGeometry::GetX(Int_t *det) const
1007 // Returns X coordinate (cm)
1010 Int_t isector = det[0];
1011 Int_t iplate = det[1];
1012 Int_t istrip = det[2];
1013 Int_t ipadz = det[3];
1014 Int_t ipadx = det[4];
1017 // Find out distance d on the plane wrt median phi:
1018 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
1020 // The radius r in xy plane:
1021 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1022 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1023 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1024 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1026 // local azimuthal angle in the sector philoc
1027 Float_t philoc = TMath::ATan(d/r);
1028 //if(philoc<0.) philoc = k2PI + philoc;
1030 // azimuthal angle in the global frame phi
1031 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1033 Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
1036 // Pad reference frame -> FSTR reference frame
1038 Float_t posLocal[3] = {0., 0., 0.};
1039 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1040 Translation(posLocal,step);
1042 step[0] = kNpadX*0.5*fgkXPad;
1044 step[2] = kNpadZ*0.5*fgkZPad;
1047 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1048 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1050 Translation(posLocal,step);
1052 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1054 if (GetAngles(iplate,istrip) >0.) {
1057 angles[2] = 90.+GetAngles(iplate,istrip);
1059 angles[4] = GetAngles(iplate,istrip);
1062 else if (GetAngles(iplate,istrip)==0.) {
1070 else if (GetAngles(iplate,istrip) <0.) {
1073 angles[2] = 90.+GetAngles(iplate,istrip);
1075 angles[4] =-GetAngles(iplate,istrip);
1079 InverseRotation(posLocal,angles);
1082 step[1] = -GetHeights(iplate,istrip);
1083 step[2] = GetDistances(iplate,istrip);
1084 Translation(posLocal,step);
1086 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1094 InverseRotation(posLocal,angles);
1096 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1099 step[2] = -((fgkRmax+fgkRmin)*0.5);
1100 Translation(posLocal,step);
1103 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1107 angles[5] = (isector+0.5)*fgkPhiSec;
1109 InverseRotation(posLocal,angles);
1111 Float_t xCoor = posLocal[0];
1116 //_____________________________________________________________________________
1117 Float_t AliTOFGeometry::GetY(Int_t *det) const
1120 // Returns Y coordinate (cm)
1123 Int_t isector = det[0];
1124 Int_t iplate = det[1];
1125 Int_t istrip = det[2];
1126 Int_t ipadz = det[3];
1127 Int_t ipadx = det[4];
1130 // Find out distance d on the plane wrt median phi:
1131 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
1133 // The radius r in xy plane:
1134 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1135 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1136 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1137 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1139 // local azimuthal angle in the sector philoc
1140 Float_t philoc = TMath::ATan(d/r);
1141 //if(philoc<0.) philoc = k2PI + philoc;
1143 // azimuthal angle in the global frame phi
1144 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1146 Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
1149 // Pad reference frame -> FSTR reference frame
1151 Float_t posLocal[3] = {0., 0., 0.};
1152 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1153 Translation(posLocal,step);
1155 step[0] = kNpadX*0.5*fgkXPad;
1157 step[2] = kNpadZ*0.5*fgkZPad;
1160 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1161 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1163 Translation(posLocal,step);
1165 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1168 if (GetAngles(iplate,istrip) >0.) {
1171 angles[2] = 90.+GetAngles(iplate,istrip);
1173 angles[4] = GetAngles(iplate,istrip);
1176 else if (GetAngles(iplate,istrip)==0.) {
1184 else if (GetAngles(iplate,istrip) <0.) {
1187 angles[2] = 90.+GetAngles(iplate,istrip);
1189 angles[4] =-GetAngles(iplate,istrip);
1193 InverseRotation(posLocal,angles);
1196 step[1] = -GetHeights(iplate,istrip);
1197 step[2] = GetDistances(iplate,istrip);
1198 Translation(posLocal,step);
1200 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1208 InverseRotation(posLocal,angles);
1210 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1213 step[2] = -((fgkRmax+fgkRmin)*0.5);
1214 Translation(posLocal,step);
1217 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1221 angles[5] = (isector+0.5)*fgkPhiSec;
1223 InverseRotation(posLocal,angles);
1225 Float_t yCoor = posLocal[1];
1231 //_____________________________________________________________________________
1232 Float_t AliTOFGeometry::GetZ(Int_t *det) const
1235 // Returns Z coordinate (cm)
1238 Int_t isector = det[0];
1239 Int_t iplate = det[1];
1240 Int_t istrip = det[2];
1241 Int_t ipadz = det[3];
1242 Int_t ipadx = det[4];
1245 Float_t zCoor = GetDistances(iplate,istrip) +
1246 (0.5-ipadz) * fgkZPad * TMath::Cos(GetAngles(iplate,istrip)*kDegrad);
1249 // Pad reference frame -> FSTR reference frame
1251 Float_t posLocal[3] = {0., 0., 0.};
1252 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1253 Translation(posLocal,step);
1255 step[0] = kNpadX*0.5*fgkXPad;
1257 step[2] = kNpadZ*0.5*fgkZPad;
1260 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1261 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1263 Translation(posLocal,step);
1265 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1267 if (GetAngles(iplate,istrip) >0.) {
1270 angles[2] = 90.+GetAngles(iplate,istrip);
1272 angles[4] = GetAngles(iplate,istrip);
1275 else if (GetAngles(iplate,istrip)==0.) {
1283 else if (GetAngles(iplate,istrip) <0.) {
1286 angles[2] = 90.+GetAngles(iplate,istrip);
1288 angles[4] =-GetAngles(iplate,istrip);
1292 InverseRotation(posLocal,angles);
1295 step[1] = -GetHeights(iplate,istrip);
1296 step[2] = GetDistances(iplate,istrip);
1297 Translation(posLocal,step);
1299 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1307 InverseRotation(posLocal,angles);
1309 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1312 step[2] = -((fgkRmax+fgkRmin)*0.5);
1313 Translation(posLocal,step);
1316 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1320 angles[5] = (isector+0.5)*fgkPhiSec;
1322 InverseRotation(posLocal,angles);
1324 Float_t zCoor = posLocal[2];
1329 //_____________________________________________________________________________
1331 void AliTOFGeometry::DetToSectorRF(Int_t vol[5], Double_t **coord)
1334 // Returns the local coordinates (x, y, z) in sector reference frame
1335 // for the 4 corners of each sector pad (vol[1], vol[2], vol[3], vol[4])
1338 if (!gGeoManager) printf("ERROR: no TGeo\n");
1340 // ALICE -> TOF Sector
1341 Char_t path1[100]="";
1342 GetVolumePath(vol[0],path1);
1343 gGeoManager->cd(path1);
1344 TGeoHMatrix aliceToSector;
1345 aliceToSector = *gGeoManager->GetCurrentMatrix();
1347 // TOF Sector -> ALICE
1348 //TGeoHMatrix sectorToALICE = aliceToSector.Inverse();
1351 Char_t path2[100]="";
1352 GetVolumePath(vol,path2);
1353 gGeoManager->cd(path2);
1354 TGeoHMatrix aliceToPad;
1355 aliceToPad = *gGeoManager->GetCurrentMatrix();
1358 TGeoHMatrix padToALICE = aliceToPad.Inverse();
1360 // TOF Pad -> TOF Sector
1361 TGeoHMatrix padToSector = padToALICE*aliceToSector;
1363 // TOF Sector -> TOF Pad
1364 //TGeoHMatrix sectorToPad = sectorToALICE*aliceToPad;
1366 // coordinates of the pad bottom corner
1367 Double_t **cornerPad = new Double_t*[4];
1368 for (Int_t ii=0; ii<4; ii++) cornerPad[ii] = new Double_t[3];
1370 cornerPad[0][0] = -fgkXPad/2.;
1371 cornerPad[0][1] = 0.;
1372 cornerPad[0][2] = -fgkZPad/2.;
1374 cornerPad[1][0] = fgkXPad/2.;
1375 cornerPad[1][1] = 0.;
1376 cornerPad[1][2] = -fgkZPad/2.;
1378 cornerPad[2][0] = fgkXPad/2.;
1379 cornerPad[2][1] = 0.;
1380 cornerPad[2][2] = fgkZPad/2.;
1382 cornerPad[3][0] = -fgkXPad/2.;
1383 cornerPad[3][1] = 0.;
1384 cornerPad[3][2] = fgkZPad/2.;
1386 for(Int_t aa=0; aa<4; aa++) for(Int_t bb=0; bb<3; bb++) coord[aa][bb]=0.;
1388 for (Int_t jj=0; jj<4; jj++) padToSector.MasterToLocal(&cornerPad[jj][0], &coord[jj][0]);
1392 //sectorToPad.LocalToMaster(cornerPad, coord);
1395 //_____________________________________________________________________________
1396 Float_t AliTOFGeometry::GetPadDx(Float_t *pos)
1399 // Returns the x coordinate in the Pad reference frame
1404 Float_t posLocal[3];
1405 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1407 Int_t isector = GetSector(posLocal);
1409 //AliError("Detector Index could not be determined");
1411 Int_t iplate = GetPlate(posLocal);
1413 //AliError("Detector Index could not be determined");
1415 Int_t istrip = GetStrip(posLocal);
1417 //AliError("Detector Index could not be determined");
1419 Int_t ipadz = GetPadZ(posLocal);
1421 //AliError("Detector Index could not be determined");
1423 Int_t ipadx = GetPadX(posLocal);
1425 //AliError("Detector Index could not be determined");
1428 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1429 Double_t angles[6] =
1430 {90., 90.+(isector+0.5)*fgkPhiSec,
1432 90., (isector+0.5)*fgkPhiSec
1434 Rotation(posLocal,angles);
1436 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1437 Translation(posLocal,step);
1439 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1447 Rotation(posLocal,angles);
1449 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1451 step[1] = GetHeights(iplate,istrip);
1452 step[2] = -GetDistances(iplate,istrip);
1453 Translation(posLocal,step);
1455 if (GetAngles(iplate,istrip) >0.) {
1458 angles[2] = 90.+GetAngles(iplate,istrip);
1460 angles[4] = GetAngles(iplate,istrip);
1463 else if (GetAngles(iplate,istrip)==0.) {
1471 else if (GetAngles(iplate,istrip) <0.) {
1474 angles[2] = 90.+GetAngles(iplate,istrip);
1476 angles[4] =-GetAngles(iplate,istrip);
1479 Rotation(posLocal,angles);
1481 step[0] =-0.5*kNpadX*fgkXPad;
1483 step[2] =-0.5*kNpadZ*fgkZPad;
1484 Translation(posLocal,step);
1486 step[0] = (ipadx+0.5)*fgkXPad;
1488 step[2] = (ipadz+0.5)*fgkZPad;
1489 Translation(posLocal,step);
1496 //_____________________________________________________________________________
1497 Float_t AliTOFGeometry::GetPadDy(Float_t *pos)
1500 // Returns the y coordinate in the Pad reference frame
1505 Float_t posLocal[3];
1506 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1508 Int_t isector = GetSector(posLocal);
1510 //AliError("Detector Index could not be determined");
1512 Int_t iplate = GetPlate(posLocal);
1514 //AliError("Detector Index could not be determined");
1516 Int_t istrip = GetStrip(posLocal);
1518 //AliError("Detector Index could not be determined");
1520 Int_t ipadz = GetPadZ(posLocal);
1522 //AliError("Detector Index could not be determined");
1524 Int_t ipadx = GetPadX(posLocal);
1526 //AliError("Detector Index could not be determined");
1529 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1530 Double_t angles[6] =
1531 {90., 90.+(isector+0.5)*fgkPhiSec,
1533 90., (isector+0.5)*fgkPhiSec
1535 Rotation(posLocal,angles);
1537 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1538 Translation(posLocal,step);
1540 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1548 Rotation(posLocal,angles);
1550 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1552 step[1] = GetHeights(iplate,istrip);
1553 step[2] = -GetDistances(iplate,istrip);
1554 Translation(posLocal,step);
1556 if (GetAngles(iplate,istrip) >0.) {
1559 angles[2] = 90.+GetAngles(iplate,istrip);
1561 angles[4] = GetAngles(iplate,istrip);
1564 else if (GetAngles(iplate,istrip)==0.) {
1572 else if (GetAngles(iplate,istrip) <0.) {
1575 angles[2] = 90.+GetAngles(iplate,istrip);
1577 angles[4] =-GetAngles(iplate,istrip);
1580 Rotation(posLocal,angles);
1582 step[0] =-0.5*kNpadX*fgkXPad;
1584 step[2] =-0.5*kNpadZ*fgkZPad;
1585 Translation(posLocal,step);
1587 step[0] = (ipadx+0.5)*fgkXPad;
1589 step[2] = (ipadz+0.5)*fgkZPad;
1590 Translation(posLocal,step);
1597 //_____________________________________________________________________________
1598 Float_t AliTOFGeometry::GetPadDz(Float_t *pos)
1601 // Returns the z coordinate in the Pad reference frame
1606 Float_t posLocal[3];
1607 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1609 Int_t isector = GetSector(posLocal);
1611 //AliError("Detector Index could not be determined");
1613 Int_t iplate = GetPlate(posLocal);
1615 //AliError("Detector Index could not be determined");
1617 Int_t istrip = GetStrip(posLocal);
1619 //AliError("Detector Index could not be determined");
1621 Int_t ipadz = GetPadZ(posLocal);
1623 //AliError("Detector Index could not be determined");
1625 Int_t ipadx = GetPadX(posLocal);
1627 //AliError("Detector Index could not be determined");
1630 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1631 Double_t angles[6] =
1632 {90., 90.+(isector+0.5)*fgkPhiSec,
1634 90., (isector+0.5)*fgkPhiSec
1636 Rotation(posLocal,angles);
1638 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1639 Translation(posLocal,step);
1641 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1649 Rotation(posLocal,angles);
1651 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1653 step[1] = GetHeights(iplate,istrip);
1654 step[2] = -GetDistances(iplate,istrip);
1655 Translation(posLocal,step);
1657 if (GetAngles(iplate,istrip) >0.) {
1660 angles[2] = 90.+GetAngles(iplate,istrip);
1662 angles[4] = GetAngles(iplate,istrip);
1665 else if (GetAngles(iplate,istrip)==0.) {
1673 else if (GetAngles(iplate,istrip) <0.) {
1676 angles[2] = 90.+GetAngles(iplate,istrip);
1678 angles[4] =-GetAngles(iplate,istrip);
1681 Rotation(posLocal,angles);
1683 step[0] =-0.5*kNpadX*fgkXPad;
1685 step[2] =-0.5*kNpadZ*fgkZPad;
1686 Translation(posLocal,step);
1688 step[0] = (ipadx+0.5)*fgkXPad;
1690 step[2] = (ipadz+0.5)*fgkZPad;
1691 Translation(posLocal,step);
1698 //_____________________________________________________________________________
1700 void AliTOFGeometry::Translation(Float_t *xyz, Float_t translationVector[3]) const
1703 // Return the vector xyz translated by translationVector vector
1708 for (ii=0; ii<3; ii++)
1709 xyz[ii] -= translationVector[ii];
1714 //_____________________________________________________________________________
1716 void AliTOFGeometry::Rotation(Float_t *xyz, Double_t rotationAngles[6]) const
1719 // Return the vector xyz rotated according to the rotationAngles angles
1724 TRotMatrix *matrix = new TRotMatrix("matrix","matrix", angles[0], angles[1],
1725 angles[2], angles[3],
1726 angles[4], angles[5]);
1729 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1731 Float_t xyzDummy[3] = {0., 0., 0.};
1733 for (ii=0; ii<3; ii++) {
1735 xyz[0]*TMath::Sin(rotationAngles[2*ii])*TMath::Cos(rotationAngles[2*ii+1]) +
1736 xyz[1]*TMath::Sin(rotationAngles[2*ii])*TMath::Sin(rotationAngles[2*ii+1]) +
1737 xyz[2]*TMath::Cos(rotationAngles[2*ii]);
1740 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1745 //_____________________________________________________________________________
1746 void AliTOFGeometry::InverseRotation(Float_t *xyz, Double_t rotationAngles[6]) const
1754 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1756 Float_t xyzDummy[3] = {0., 0., 0.};
1759 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Cos(rotationAngles[1]) +
1760 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Cos(rotationAngles[3]) +
1761 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Cos(rotationAngles[5]);
1764 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Sin(rotationAngles[1]) +
1765 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Sin(rotationAngles[3]) +
1766 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Sin(rotationAngles[5]);
1769 xyz[0]*TMath::Cos(rotationAngles[0]) +
1770 xyz[1]*TMath::Cos(rotationAngles[2]) +
1771 xyz[2]*TMath::Cos(rotationAngles[4]);
1773 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1778 //_____________________________________________________________________________
1780 Int_t AliTOFGeometry::GetIndex(Int_t *detId)
1782 //Retrieve calibration channel index
1783 Int_t isector = detId[0];
1784 if (isector >= kNSectors){
1785 printf("Wrong sector number in TOF (%d) !\n",isector);
1788 Int_t iplate = detId[1];
1789 if (iplate >= kNPlates){
1790 printf("Wrong plate number in TOF (%d) !\n",iplate);
1793 Int_t istrip = detId[2];
1794 Int_t ipadz = detId[3];
1795 Int_t ipadx = detId[4];
1796 Int_t stripOffset = 0;
1802 stripOffset = kNStripC;
1805 stripOffset = kNStripC+kNStripB;
1808 stripOffset = kNStripC+kNStripB+kNStripA;
1811 stripOffset = kNStripC+kNStripB+kNStripA+kNStripB;
1814 printf("Wrong plate number in TOF (%d) !\n",iplate);
1818 Int_t idet = ((2*(kNStripC+kNStripB)+kNStripA)
1819 *kNpadZ*kNpadX)*isector +
1820 (stripOffset*kNpadZ*kNpadX)+
1821 (kNpadZ*kNpadX)*istrip+
1826 //_____________________________________________________________________________
1828 void AliTOFGeometry::GetVolumeIndices(Int_t index, Int_t *detId)
1831 // Retrieve volume indices from the calibration channel index
1834 detId[0] = index/NpadXStrip()/NStripXSector();
1836 Int_t dummyStripPerModule =
1837 ( index - ( NStripXSector()*NpadXStrip()*detId[0]) ) / NpadXStrip();
1838 if (dummyStripPerModule<kNStripC) {
1840 detId[2] = dummyStripPerModule;
1842 else if (dummyStripPerModule>=kNStripC && dummyStripPerModule<kNStripC+kNStripB) {
1844 detId[2] = dummyStripPerModule-kNStripC;
1846 else if (dummyStripPerModule>=kNStripC+kNStripB && dummyStripPerModule<kNStripC+kNStripB+kNStripA) {
1848 detId[2] = dummyStripPerModule-kNStripC-kNStripB;
1850 else if (dummyStripPerModule>=kNStripC+kNStripB+kNStripA && dummyStripPerModule<kNStripC+kNStripB+kNStripA+kNStripB) {
1852 detId[2] = dummyStripPerModule-kNStripC-kNStripB-kNStripA;
1854 else if (dummyStripPerModule>=kNStripC+kNStripB+kNStripA+kNStripB && dummyStripPerModule<NStripXSector()) {
1856 detId[2] = dummyStripPerModule-kNStripC-kNStripB-kNStripA-kNStripB;
1859 Int_t padPerStrip = ( index - ( NStripXSector()*NpadXStrip()*detId[0]) ) - dummyStripPerModule*NpadXStrip();
1861 detId[3] = padPerStrip / kNpadX;
1862 detId[4] = padPerStrip - detId[3]*kNpadX;
1865 //_____________________________________________________________________________
1867 Int_t AliTOFGeometry::NStrip(Int_t nPlate)
1870 // Returns the strips number for the plate number 'nPlate'
1873 Int_t nStrips = kNStripC;