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 Int_t AliTOFGeometry::fgkTimeDiff = 25000; // Min signal separation (ps)
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::fgkAngles[kNPlates][kMaxNstrip] ={
154 { 43.99, 43.20, 42.40, 41.59, 40.77, 39.94, 39.11, 38.25, 37.40, 36.53,
155 35.65, 34.76, 33.87, 32.96, 32.05, 31.13, 30.19, 29.24, 12.33, 0.00},
157 { 27.26, 26.28, 25.30, 24.31, 23.31, 22.31, 21.30, 20.29, 19.26, 18.24,
158 17.20, 16.16, 15.11, 14.05, 13.00, 11.93, 10.87, 9.80, 8.74, 0.00},
160 { 0.00, 6.30, 5.31, 4.25, 3.19, 2.12, 1.06, 0.00, -1.06, -2.12,
161 -3.19, -4.25, -5.31, -6.30, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00},
163 { -8.74, -9.80, -10.87, -11.93, -13.00, -14.05, -15.11, -16.16, -17.20, -18.24,
164 -19.26, -20.29, -21.30, -22.31, -23.31, -24.31, -25.30, -26.28, -27.26, 0.00},
166 {-12.33, -29.24, -30.19, -31.13, -32.05, -32.96, -33.87, -34.76, -35.65, -36.53,
167 -37.40, -38.25, -39.11, -39.94, -40.77, -41.59, -42.40, -43.20, -43.99, 0.00}
169 const Float_t AliTOFGeometry::fgkHeights[kNPlates][kMaxNstrip]= {
170 {-8.2, -7.5, -8.2, -7.7, -8.1, -7.6, -7.7, -7.7, -7.7, -7.7,
171 -7.5, -7.2, -7.3, -7.5, -7.6, -7.8, -8.3, -9.3, -3.1, 0.0},
173 {-7.9, -8.1, -8.5, -9.0, -10.1, -3.9, -5.9, -7.7, -10.1, -3.6,
174 -5.8, -8.0, -10.4, -4.4, -7.2, -10.2, -4.6, -7.4, -10.4, 0.0},
176 {-2.5, -10.4, -5.0, -9.9, -4.8, -9.9, -4.7, -10.2, -4.7, -9.9,
177 -4.8, -9.9, -5.0, -10.4, -2.5, 0.0, 0.0, 0.0, 0.0, 0.0},
179 {-10.4, -7.4, -4.6, -10.2, -7.2, -4.4, -10.4, -8.0, -5.8, -3.6,
180 -10.1, -7.7, -5.9, -3.9, -10.1, -9.0, -8.5, -8.1, -7.9, 0.0},
182 { -3.1, -9.3, -8.3, -7.8, -7.6, -7.5, -7.3, -7.2, -7.5, -7.7,
183 -7.7, -7.7, -7.7, -7.6, -8.1, -7.7, -8.2, -7.5, -8.2, 0.0}
187 const Float_t AliTOFGeometry::fgkDistances[kNPlates][kMaxNstrip]= {
188 { 364.1, 354.9, 344.5, 335.4, 325.5, 316.6, 307.2, 298.0, 288.9, 280.0,
189 271.3, 262.7, 254.0, 244.8, 236.1, 227.7, 219.1, 210.3, 205.7, 0.0},
191 { 194.2, 186.1, 177.9, 169.8, 161.5, 156.3, 147.8, 139.4, 130.9, 125.6,
192 117.3, 109.2, 101.1, 95.3, 87.1, 79.2, 73.0, 65.1, 57.6, 0.0},
194 { 49.5, 41.3, 35.3, 27.8, 21.2, 13.9, 7.0, 0.0, -7.0, -13.9,
195 -21.2, -27.8, -35.3, -41.3, -49.5, 0.0, 0.0, 0.0, 0.0, 0.0},
197 { -57.6, -65.1, -73.0, -79.2, -87.1, -95.3, -101.1, -109.2, -117.3, -125.6,
198 -130.9, -139.4, -147.8, -156.3, -161.5, -169.8, -177.9, -186.1, -194.2, 0.0},
200 {-205.7, -210.3, -219.1, -227.7, -236.1, -244.8, -254.0, -262.7, -271.3, -280.0,
201 -288.9, -298.0, -307.2, -316.6, -325.5, -335.4, -344.5, -354.9, -364.1, 0.0}
203 //_____________________________________________________________________________
204 AliTOFGeometry::AliTOFGeometry():
208 // AliTOFGeometry default constructor
213 //_____________________________________________________________________________
214 AliTOFGeometry::~AliTOFGeometry()
217 // AliTOFGeometry destructor
220 //_____________________________________________________________________________
221 void AliTOFGeometry::ImportGeometry(){
222 TGeoManager::Import("geometry.root");
224 //_____________________________________________________________________________
225 void AliTOFGeometry::GetPosPar(Int_t *det, Float_t *pos) const
228 // Returns space point coor (x,y,z) (cm) for Detector
229 // Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
237 //_____________________________________________________________________________
238 void AliTOFGeometry::GetDetID( Float_t *pos, Int_t *det) const
241 // Returns Detector Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
242 // space point coor (x,y,z) (cm)
245 det[0]=GetSector(pos);
246 det[1]=GetPlate(pos);
247 det[2]=GetStrip(pos);
252 //_____________________________________________________________________________
254 void AliTOFGeometry::DetToStripRF(Int_t nPadX, Int_t nPadZ, Float_t &x, Float_t &z) const
257 // Returns the local coordinates (x, z) in strip reference frame
258 // for the bottom corner of the pad number (nPadX, nPadZ)
261 const Float_t xCenterStrip = kNpadX * fgkXPad / 2.;
262 const Float_t zCenterStrip = kNpadZ * fgkZPad / 2.;
264 const Float_t xCenterPad = nPadX*fgkXPad + fgkXPad / 2.;
265 const Float_t zCenterPad = nPadZ*fgkZPad + fgkZPad / 2.;
267 x = xCenterPad - xCenterStrip;
268 z = zCenterPad - zCenterStrip;
272 x = (nPadX - kNpadX*0.5) * fgkXPad;
273 z = (nPadZ - kNpadZ*0.5) * fgkZPad;
277 //_____________________________________________________________________________
278 Float_t AliTOFGeometry::DistanceToPadPar(Int_t *det, Float_t *pos, Float_t *dist3d) const
281 // Returns distance of space point with coor pos (x,y,z) (cm) wrt
282 // pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
285 //Transform pos into Sector Frame
291 Float_t radius = TMath::Sqrt(x*x+y*y);
292 //Float_t phi=TMath::ATan(y/x);
293 //if(phi<0) phi = k2PI+phi; //2.*TMath::Pi()+phi;
294 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
295 // Get the local angle in the sector philoc
296 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5)*fgkPhiSec;
297 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
298 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
301 // Do the same for the selected pad
306 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
307 //Float_t padPhi = TMath::ATan(g[1]/g[0]);
308 //if(padPhi<0) padPhi = k2Pi + padPhi;
309 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
311 // Get the local angle in the sector philoc
312 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
313 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
314 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
315 Float_t padzs = g[2];
317 //Now move to local pad coordinate frame. Translate:
319 Float_t xt = xs-padxs;
320 Float_t yt = ys-padys;
321 Float_t zt = zs-padzs;
324 Float_t alpha = GetAngles(det[1],det[2]);
325 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
327 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
329 Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr);
340 //_____________________________________________________________________________
341 Bool_t AliTOFGeometry::IsInsideThePadPar(Int_t *det, Float_t *pos) const
344 // Returns true if space point with coor pos (x,y,z) (cm) falls
345 // inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
348 Bool_t isInside=false;
351 const Float_t khhony = 1.0 ; // heigth of HONY Layer
352 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
353 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
354 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
355 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
356 //const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
357 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
358 //const Float_t kwstripz = kwcpcbz;
359 //const Float_t klstripx = fgkStripLength;
362 const Float_t kPadDepth = 0.5;//0.05;//0.11;//0.16;// // heigth of Sensitive Layer
364 //Transform pos into Sector Frame
370 Float_t radius = TMath::Sqrt(x*x+y*y);
371 Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
373 // Get the local angle in the sector philoc
374 Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5) *fgkPhiSec;
375 Float_t xs = radius*TMath::Cos(angle/kRaddeg);
376 Float_t ys = radius*TMath::Sin(angle/kRaddeg);
379 // Do the same for the selected pad
384 Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
385 Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
387 // Get the local angle in the sector philoc
388 Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
389 Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
390 Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
391 Float_t padzs = g[2];
393 //Now move to local pad coordinate frame. Translate:
395 Float_t xt = xs-padxs;
396 Float_t yt = ys-padys;
397 Float_t zt = zs-padzs;
401 Float_t alpha = GetAngles(det[1],det[2]);
402 Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
404 Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
406 if(TMath::Abs(xr)<=kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
411 //_____________________________________________________________________________
412 Bool_t AliTOFGeometry::IsInsideThePad(TGeoHMatrix mat, Float_t *pos, Float_t *dist3d) const
415 // Returns true if space point with coor pos (x,y,z) (cm) falls
416 // inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ)
419 const Float_t kPadDepth = 0.5; // heigth of Sensitive Layer
424 Double_t veclr[3]={-1.,-1.,-1.};
425 Double_t vecl[3]={-1.,-1.,-1.};
426 mat.MasterToLocal(vecg,veclr);
429 //take into account reflections
432 Float_t xr = vecl[0];
433 Float_t yr = vecl[1];
434 Float_t zr = vecl[2];
442 Bool_t isInside=false;
443 if(TMath::Abs(xr)<= kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
448 //_____________________________________________________________________________
449 void AliTOFGeometry::GetVolumePath(Int_t *ind, Char_t *path ) {
450 //--------------------------------------------------------------------
451 // This function returns the colume path of a given pad
452 //--------------------------------------------------------------------
453 Int_t sector = ind[0];
461 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
465 if( iplate==0) icopy=istrip;
466 if( iplate==1) icopy=istrip+NStripC();
467 if( iplate==2) icopy=istrip+NStripC()+NStripB();
468 if( iplate==3) icopy=istrip+NStripC()+NStripB()+NStripA();
469 if( iplate==4) icopy=istrip+NStripC()+2*NStripB()+NStripA();
471 sprintf(string2,"FTOA_0/FLTA_0/FSTR_%i",icopy);
472 if(fHoles && (sector==13 || sector==14 || sector==15)){
473 if(iplate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
474 if(iplate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
477 Int_t padz = ind[3]+1;
478 Int_t padx = ind[4]+1;
479 sprintf(string3,"FPCB_1/FSEN_1/FSEZ_%i/FPAD_%i",padz,padx);
480 sprintf(path,"%s/%s/%s",string1,string2,string3);
483 //_____________________________________________________________________________
484 void AliTOFGeometry::GetVolumePath(Int_t sector, Char_t *path ){
485 //--------------------------------------------------------------------
486 // This function returns the colume path of a given sector
487 //--------------------------------------------------------------------
491 Int_t icopy = sector;
493 sprintf(string,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
494 sprintf(path,"%s",string);
497 //_____________________________________________________________________________
498 void AliTOFGeometry::GetVolumePath(Int_t sector, Int_t plate, Int_t strip, Char_t *path ) {
499 //--------------------------------------------------------------------
500 // This function returns the colume path of a given strip
501 //--------------------------------------------------------------------
507 Int_t icopy = sector;
509 sprintf(string1,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
511 if(plate==0) icopy=strip;
512 if(plate==1) icopy=strip+NStripC();
513 if(plate==2) icopy=strip+NStripC()+NStripB();
514 if(plate==3) icopy=strip+NStripC()+NStripB()+NStripA();
515 if(plate==4) icopy=strip+NStripC()+2*NStripB()+NStripA();
517 sprintf(string2,"FTOA_0/FLTA_0/FSTR_%i",icopy);
518 if(fHoles && (sector==13 || sector==14 || sector==15)){
519 if(plate<2) sprintf(string2,"FTOB_0/FLTB_0/FSTR_%i",icopy);
520 if(plate>2) sprintf(string2,"FTOC_0/FLTC_0/FSTR_%i",icopy);
523 sprintf(string3,"FPCB_1/FSEN_1");
524 sprintf(path,"%s/%s/%s",string1,string2,string3);
527 //_____________________________________________________________________________
528 void AliTOFGeometry::GetPos(Int_t *det, Float_t *pos)
531 // Returns space point coor (x,y,z) (cm) for Detector
532 // Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
535 GetVolumePath(det,path );
537 printf("ERROR: no TGeo\n");
539 gGeoManager->cd(path);
541 global = *gGeoManager->GetCurrentMatrix();
542 const Double_t *tr = global.GetTranslation();
548 //_____________________________________________________________________________
549 Int_t AliTOFGeometry::GetPlate(Float_t *pos) const
552 // Returns the Plate index
554 const Float_t kInterCentrModBorder1 = 49.5;
555 const Float_t kInterCentrModBorder2 = 57.5;
556 const Float_t kExterInterModBorder1 = 196.0;
557 const Float_t kExterInterModBorder2 = 203.5;
559 const Float_t kLengthExInModBorder = 4.7;
560 const Float_t kLengthInCeModBorder = 7.0;
562 //const Float_t khAlWall = 0.1;
563 const Float_t kModuleWallThickness = 0.3;
564 //const Float_t kHoneycombLayerThickness = 1.5;
569 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
571 Int_t isector = GetSector(posLocal);
573 //AliError("Detector Index could not be determined");
577 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
579 {90., 90.+(isector+0.5)*fgkPhiSec,
581 90., (isector+0.5)*fgkPhiSec
583 Rotation(posLocal,angles);
585 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
586 Translation(posLocal,step);
588 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
596 Rotation(posLocal,angles);
598 Float_t yLocal = posLocal[1];
599 Float_t zLocal = posLocal[2];
601 Float_t deltaRhoLoc = (fgkRmax-fgkRmin)*0.5 - kModuleWallThickness + yLocal;
602 Float_t deltaZetaLoc = TMath::Abs(zLocal);
604 Float_t deltaRHOmax = 0.;
606 if (TMath::Abs(zLocal)>=kExterInterModBorder1 && TMath::Abs(zLocal)<=kExterInterModBorder2)
608 deltaRhoLoc -= kLengthExInModBorder;
609 deltaZetaLoc = kExterInterModBorder2-deltaZetaLoc;
610 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthExInModBorder; // old 5.35, new 4.8
612 if (deltaRhoLoc > deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) {
613 if (zLocal<0) iPlate = 0;
617 if (zLocal<0) iPlate = 1;
621 else if (TMath::Abs(zLocal)>=kInterCentrModBorder1 && TMath::Abs(zLocal)<=kInterCentrModBorder2)
623 deltaRhoLoc -= kLengthInCeModBorder;
624 deltaZetaLoc = deltaZetaLoc-kInterCentrModBorder1;
625 deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthInCeModBorder; // old 0.39, new 0.2
627 if (deltaRhoLoc>deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) iPlate = 2;
629 if (zLocal<0) iPlate = 1;
634 if (zLocal>-fgkZlenA*0.5/*fgkMaxhZtof*/ && zLocal<-kExterInterModBorder2) iPlate = 0;
635 else if (zLocal>-kExterInterModBorder1 && zLocal<-kInterCentrModBorder2) iPlate = 1;
636 else if (zLocal>-kInterCentrModBorder1 && zLocal< kInterCentrModBorder1) iPlate = 2;
637 else if (zLocal> kInterCentrModBorder2 && zLocal< kExterInterModBorder1) iPlate = 3;
638 else if (zLocal> kExterInterModBorder2 && zLocal< fgkZlenA*0.5/*fgkMaxhZtof*/) iPlate = 4;
644 //_____________________________________________________________________________
645 Int_t AliTOFGeometry::GetSector(Float_t *pos) const
648 // Returns the Sector index
651 //const Float_t khAlWall = 0.1;
652 //const Float_t kModuleWallThickness = 0.3;
660 Float_t rho = TMath::Sqrt(x*x + y*y);
662 //if (!((z>=-fgkMaxhZtof && z<=fgkMaxhZtof) &&
663 if (!((z>=-fgkZlenA*0.5 && z<=fgkZlenA*0.5) &&
664 (rho>=(fgkRmin) && rho<=(fgkRmax)))) {
665 //(rho>=(fgkRmin-0.05)+kModuleWallThickness && rho<=(fgkRmax-0.05)-kModuleWallThickness-khAlWall-kModuleWallThickness))) {
666 //AliError("Detector Index could not be determined");
670 Float_t phi = TMath::Pi() + TMath::ATan2(-y,-x);
672 iSect = (Int_t) (phi*kRaddeg/fgkPhiSec);
677 //_____________________________________________________________________________
678 Int_t AliTOFGeometry::GetStrip(Float_t *pos) const
681 // Returns the Strip index
683 const Float_t khhony = 1.0 ; // heigth of HONY Layer
684 const Float_t khpcby = 0.08 ; // heigth of PCB Layer
685 const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
686 const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
687 const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
688 const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
689 const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
690 const Float_t kwstripz = kwcpcbz;
691 const Float_t klstripx = fgkStripLength;
696 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
698 Int_t isector = GetSector(posLocal);
700 //AliError("Detector Index could not be determined");
702 Int_t iplate = GetPlate(posLocal);
704 //AliError("Detector Index could not be determined");
726 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
728 {90., 90.+(isector+0.5)*fgkPhiSec,
730 90., (isector+0.5)*fgkPhiSec
732 Rotation(posLocal,angles);
734 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
735 Translation(posLocal,step);
737 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
745 Rotation(posLocal,angles);
747 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
749 for (Int_t istrip=0; istrip<nstrips; istrip++){
751 Float_t posLoc2[3]={posLocal[0],posLocal[1],posLocal[2]};
754 step[1] = GetHeights(iplate,istrip);
755 step[2] = -GetDistances(iplate,istrip);
756 Translation(posLoc2,step);
758 if (GetAngles(iplate,istrip) >0.) {
761 angles[2] = 90.+GetAngles(iplate,istrip);
763 angles[4] = GetAngles(iplate,istrip);
766 else if (GetAngles(iplate,istrip)==0.) {
774 else if (GetAngles(iplate,istrip) <0.) {
777 angles[2] = 90.+GetAngles(iplate,istrip);
779 angles[4] =-GetAngles(iplate,istrip);
782 Rotation(posLoc2,angles);
784 if ((TMath::Abs(posLoc2[0])<=klstripx*0.5) &&
785 (TMath::Abs(posLoc2[1])<=khstripy*0.5) &&
786 (TMath::Abs(posLoc2[2])<=kwstripz*0.5)) {
789 for (Int_t jj=0; jj<3; jj++) posLocal[jj]=posLoc2[jj];
790 //AliInfo(Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ", posLocal[0],posLocal[1],posLocal[2]));
792 //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]));
796 if (totStrip>1) AliInfo(Form("total strip number found %2i",totStrip));
803 //_____________________________________________________________________________
804 Int_t AliTOFGeometry::GetPadZ(Float_t *pos) const
807 // Returns the Pad index along Z
809 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
810 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
811 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
816 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
818 Int_t isector = GetSector(posLocal);
820 //AliError("Detector Index could not be determined");
822 Int_t iplate = GetPlate(posLocal);
824 //AliError("Detector Index could not be determined");
826 Int_t istrip = GetStrip(posLocal);
828 //AliError("Detector Index could not be determined");
831 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
833 {90., 90.+(isector+0.5)*fgkPhiSec,
835 90., (isector+0.5)*fgkPhiSec
837 Rotation(posLocal,angles);
839 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
840 Translation(posLocal,step);
842 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
850 Rotation(posLocal,angles);
852 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
854 step[1] = GetHeights(iplate,istrip);
855 step[2] = -GetDistances(iplate,istrip);
856 Translation(posLocal,step);
858 if (GetAngles(iplate,istrip) >0.) {
861 angles[2] = 90.+GetAngles(iplate,istrip);
863 angles[4] = GetAngles(iplate,istrip);
866 else if (GetAngles(iplate,istrip)==0.) {
874 else if (GetAngles(iplate,istrip) <0.) {
877 angles[2] = 90.+GetAngles(iplate,istrip);
879 angles[4] =-GetAngles(iplate,istrip);
882 Rotation(posLocal,angles);
884 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
885 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
887 step[0] =-0.5*kNpadX*fgkXPad;
889 step[2] =-0.5*kNpadZ*fgkZPad;
890 Translation(posLocal,step);
892 iPadZ = (Int_t)(posLocal[2]/fgkZPad);
893 if (iPadZ==kNpadZ) iPadZ--;
894 else if (iPadZ>kNpadZ) iPadZ=-1;
897 // else AliError("Detector Index could not be determined");
902 //_____________________________________________________________________________
903 Int_t AliTOFGeometry::GetPadX(Float_t *pos) const
906 // Returns the Pad index along X
908 //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
909 //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
910 //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
915 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
917 Int_t isector = GetSector(posLocal);
919 //AliError("Detector Index could not be determined");
921 Int_t iplate = GetPlate(posLocal);
923 //AliError("Detector Index could not be determined");
925 Int_t istrip = GetStrip(posLocal);
927 //AliError("Detector Index could not be determined");
930 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
932 {90., 90.+(isector+0.5)*fgkPhiSec,
934 90., (isector+0.5)*fgkPhiSec
936 Rotation(posLocal,angles);
938 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
939 Translation(posLocal,step);
941 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
949 Rotation(posLocal,angles);
951 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
953 step[1] = GetHeights(iplate,istrip);
954 step[2] = -GetDistances(iplate,istrip);
955 Translation(posLocal,step);
957 if (GetAngles(iplate,istrip) >0.) {
960 angles[2] = 90.+GetAngles(iplate,istrip);
962 angles[4] = GetAngles(iplate,istrip);
965 else if (GetAngles(iplate,istrip)==0.) {
973 else if (GetAngles(iplate,istrip) <0.) {
976 angles[2] = 90.+GetAngles(iplate,istrip);
978 angles[4] =-GetAngles(iplate,istrip);
981 Rotation(posLocal,angles);
983 //if (TMath::Abs(posLocal[0])<=klsensmx*0.5 && /*TMath::Abs(posLocal[1])<=khsensmy*0.5+0.005 &&*/ TMath::Abs(posLocal[2])<=kwsensmz*0.5) {
984 //if (TMath::Abs(posLocal[1])<=khsensmy*0.5) {
986 step[0] =-0.5*kNpadX*fgkXPad;
988 step[2] =-0.5*kNpadZ*fgkZPad;
989 Translation(posLocal,step);
991 iPadX = (Int_t)(posLocal[0]/fgkXPad);
992 if (iPadX==kNpadX) iPadX--;
993 else if (iPadX>kNpadX) iPadX=-1;
996 //else AliError("Detector Index could not be determined");
1001 //_____________________________________________________________________________
1002 Float_t AliTOFGeometry::GetX(Int_t *det) const
1005 // Returns X coordinate (cm)
1008 Int_t isector = det[0];
1009 Int_t iplate = det[1];
1010 Int_t istrip = det[2];
1011 Int_t ipadz = det[3];
1012 Int_t ipadx = det[4];
1015 // Find out distance d on the plane wrt median phi:
1016 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
1018 // The radius r in xy plane:
1019 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1020 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1021 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1022 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1024 // local azimuthal angle in the sector philoc
1025 Float_t philoc = TMath::ATan(d/r);
1026 //if(philoc<0.) philoc = k2PI + philoc;
1028 // azimuthal angle in the global frame phi
1029 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1031 Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
1034 // Pad reference frame -> FSTR reference frame
1036 Float_t posLocal[3] = {0., 0., 0.};
1037 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1038 Translation(posLocal,step);
1040 step[0] = kNpadX*0.5*fgkXPad;
1042 step[2] = kNpadZ*0.5*fgkZPad;
1045 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1046 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1048 Translation(posLocal,step);
1050 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1052 if (GetAngles(iplate,istrip) >0.) {
1055 angles[2] = 90.+GetAngles(iplate,istrip);
1057 angles[4] = GetAngles(iplate,istrip);
1060 else if (GetAngles(iplate,istrip)==0.) {
1068 else if (GetAngles(iplate,istrip) <0.) {
1071 angles[2] = 90.+GetAngles(iplate,istrip);
1073 angles[4] =-GetAngles(iplate,istrip);
1077 InverseRotation(posLocal,angles);
1080 step[1] = -GetHeights(iplate,istrip);
1081 step[2] = GetDistances(iplate,istrip);
1082 Translation(posLocal,step);
1084 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1092 InverseRotation(posLocal,angles);
1094 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1097 step[2] = -((fgkRmax+fgkRmin)*0.5);
1098 Translation(posLocal,step);
1101 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1105 angles[5] = (isector+0.5)*fgkPhiSec;
1107 InverseRotation(posLocal,angles);
1109 Float_t xCoor = posLocal[0];
1114 //_____________________________________________________________________________
1115 Float_t AliTOFGeometry::GetY(Int_t *det) const
1118 // Returns Y coordinate (cm)
1121 Int_t isector = det[0];
1122 Int_t iplate = det[1];
1123 Int_t istrip = det[2];
1124 Int_t ipadz = det[3];
1125 Int_t ipadx = det[4];
1128 // Find out distance d on the plane wrt median phi:
1129 Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
1131 // The radius r in xy plane:
1132 //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1133 // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
1134 Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
1135 (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
1137 // local azimuthal angle in the sector philoc
1138 Float_t philoc = TMath::ATan(d/r);
1139 //if(philoc<0.) philoc = k2PI + philoc;
1141 // azimuthal angle in the global frame phi
1142 Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
1144 Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
1147 // Pad reference frame -> FSTR reference frame
1149 Float_t posLocal[3] = {0., 0., 0.};
1150 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1151 Translation(posLocal,step);
1153 step[0] = kNpadX*0.5*fgkXPad;
1155 step[2] = kNpadZ*0.5*fgkZPad;
1158 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1159 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1161 Translation(posLocal,step);
1163 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1166 if (GetAngles(iplate,istrip) >0.) {
1169 angles[2] = 90.+GetAngles(iplate,istrip);
1171 angles[4] = GetAngles(iplate,istrip);
1174 else if (GetAngles(iplate,istrip)==0.) {
1182 else if (GetAngles(iplate,istrip) <0.) {
1185 angles[2] = 90.+GetAngles(iplate,istrip);
1187 angles[4] =-GetAngles(iplate,istrip);
1191 InverseRotation(posLocal,angles);
1194 step[1] = -GetHeights(iplate,istrip);
1195 step[2] = GetDistances(iplate,istrip);
1196 Translation(posLocal,step);
1198 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1206 InverseRotation(posLocal,angles);
1208 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1211 step[2] = -((fgkRmax+fgkRmin)*0.5);
1212 Translation(posLocal,step);
1215 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1219 angles[5] = (isector+0.5)*fgkPhiSec;
1221 InverseRotation(posLocal,angles);
1223 Float_t yCoor = posLocal[1];
1229 //_____________________________________________________________________________
1230 Float_t AliTOFGeometry::GetZ(Int_t *det) const
1233 // Returns Z coordinate (cm)
1236 Int_t isector = det[0];
1237 Int_t iplate = det[1];
1238 Int_t istrip = det[2];
1239 Int_t ipadz = det[3];
1240 Int_t ipadx = det[4];
1243 Float_t zCoor = GetDistances(iplate,istrip) +
1244 (0.5-ipadz) * fgkZPad * TMath::Cos(GetAngles(iplate,istrip)*kDegrad);
1247 // Pad reference frame -> FSTR reference frame
1249 Float_t posLocal[3] = {0., 0., 0.};
1250 Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
1251 Translation(posLocal,step);
1253 step[0] = kNpadX*0.5*fgkXPad;
1255 step[2] = kNpadZ*0.5*fgkZPad;
1258 Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
1259 Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
1261 Translation(posLocal,step);
1263 // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
1265 if (GetAngles(iplate,istrip) >0.) {
1268 angles[2] = 90.+GetAngles(iplate,istrip);
1270 angles[4] = GetAngles(iplate,istrip);
1273 else if (GetAngles(iplate,istrip)==0.) {
1281 else if (GetAngles(iplate,istrip) <0.) {
1284 angles[2] = 90.+GetAngles(iplate,istrip);
1286 angles[4] =-GetAngles(iplate,istrip);
1290 InverseRotation(posLocal,angles);
1293 step[1] = -GetHeights(iplate,istrip);
1294 step[2] = GetDistances(iplate,istrip);
1295 Translation(posLocal,step);
1297 // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1305 InverseRotation(posLocal,angles);
1307 // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
1310 step[2] = -((fgkRmax+fgkRmin)*0.5);
1311 Translation(posLocal,step);
1314 angles[1] = 90.+(isector+0.5)*fgkPhiSec;
1318 angles[5] = (isector+0.5)*fgkPhiSec;
1320 InverseRotation(posLocal,angles);
1322 Float_t zCoor = posLocal[2];
1327 //_____________________________________________________________________________
1329 void AliTOFGeometry::DetToSectorRF(Int_t vol[5], Double_t **coord)
1332 // Returns the local coordinates (x, y, z) in sector reference frame
1333 // for the 4 corners of each sector pad (vol[1], vol[2], vol[3], vol[4])
1336 if (!gGeoManager) printf("ERROR: no TGeo\n");
1338 // ALICE -> TOF Sector
1339 Char_t path1[100]="";
1340 GetVolumePath(vol[0],path1);
1341 gGeoManager->cd(path1);
1342 TGeoHMatrix aliceToSector;
1343 aliceToSector = *gGeoManager->GetCurrentMatrix();
1345 // TOF Sector -> ALICE
1346 //TGeoHMatrix sectorToALICE = aliceToSector.Inverse();
1349 Char_t path2[100]="";
1350 GetVolumePath(vol,path2);
1351 gGeoManager->cd(path2);
1352 TGeoHMatrix aliceToPad;
1353 aliceToPad = *gGeoManager->GetCurrentMatrix();
1356 TGeoHMatrix padToALICE = aliceToPad.Inverse();
1358 // TOF Pad -> TOF Sector
1359 TGeoHMatrix padToSector = padToALICE*aliceToSector;
1361 // TOF Sector -> TOF Pad
1362 //TGeoHMatrix sectorToPad = sectorToALICE*aliceToPad;
1364 // coordinates of the pad bottom corner
1365 Double_t **cornerPad = new Double_t*[4];
1366 for (Int_t ii=0; ii<4; ii++) cornerPad[ii] = new Double_t[3];
1368 cornerPad[0][0] = -fgkXPad/2.;
1369 cornerPad[0][1] = 0.;
1370 cornerPad[0][2] = -fgkZPad/2.;
1372 cornerPad[1][0] = fgkXPad/2.;
1373 cornerPad[1][1] = 0.;
1374 cornerPad[1][2] = -fgkZPad/2.;
1376 cornerPad[2][0] = fgkXPad/2.;
1377 cornerPad[2][1] = 0.;
1378 cornerPad[2][2] = fgkZPad/2.;
1380 cornerPad[3][0] = -fgkXPad/2.;
1381 cornerPad[3][1] = 0.;
1382 cornerPad[3][2] = fgkZPad/2.;
1384 for(Int_t aa=0; aa<4; aa++) for(Int_t bb=0; bb<3; bb++) coord[aa][bb]=0.;
1386 for (Int_t jj=0; jj<4; jj++) padToSector.MasterToLocal(&cornerPad[jj][0], &coord[jj][0]);
1390 //sectorToPad.LocalToMaster(cornerPad, coord);
1393 //_____________________________________________________________________________
1394 Float_t AliTOFGeometry::GetPadDx(Float_t *pos)
1397 // Returns the x coordinate in the Pad reference frame
1402 Float_t posLocal[3];
1403 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1405 Int_t isector = GetSector(posLocal);
1407 //AliError("Detector Index could not be determined");
1409 Int_t iplate = GetPlate(posLocal);
1411 //AliError("Detector Index could not be determined");
1413 Int_t istrip = GetStrip(posLocal);
1415 //AliError("Detector Index could not be determined");
1417 Int_t ipadz = GetPadZ(posLocal);
1419 //AliError("Detector Index could not be determined");
1421 Int_t ipadx = GetPadX(posLocal);
1423 //AliError("Detector Index could not be determined");
1426 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1427 Double_t angles[6] =
1428 {90., 90.+(isector+0.5)*fgkPhiSec,
1430 90., (isector+0.5)*fgkPhiSec
1432 Rotation(posLocal,angles);
1434 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1435 Translation(posLocal,step);
1437 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1445 Rotation(posLocal,angles);
1447 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1449 step[1] = GetHeights(iplate,istrip);
1450 step[2] = -GetDistances(iplate,istrip);
1451 Translation(posLocal,step);
1453 if (GetAngles(iplate,istrip) >0.) {
1456 angles[2] = 90.+GetAngles(iplate,istrip);
1458 angles[4] = GetAngles(iplate,istrip);
1461 else if (GetAngles(iplate,istrip)==0.) {
1469 else if (GetAngles(iplate,istrip) <0.) {
1472 angles[2] = 90.+GetAngles(iplate,istrip);
1474 angles[4] =-GetAngles(iplate,istrip);
1477 Rotation(posLocal,angles);
1479 step[0] =-0.5*kNpadX*fgkXPad;
1481 step[2] =-0.5*kNpadZ*fgkZPad;
1482 Translation(posLocal,step);
1484 step[0] = (ipadx+0.5)*fgkXPad;
1486 step[2] = (ipadz+0.5)*fgkZPad;
1487 Translation(posLocal,step);
1494 //_____________________________________________________________________________
1495 Float_t AliTOFGeometry::GetPadDy(Float_t *pos)
1498 // Returns the y coordinate in the Pad reference frame
1503 Float_t posLocal[3];
1504 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1506 Int_t isector = GetSector(posLocal);
1508 //AliError("Detector Index could not be determined");
1510 Int_t iplate = GetPlate(posLocal);
1512 //AliError("Detector Index could not be determined");
1514 Int_t istrip = GetStrip(posLocal);
1516 //AliError("Detector Index could not be determined");
1518 Int_t ipadz = GetPadZ(posLocal);
1520 //AliError("Detector Index could not be determined");
1522 Int_t ipadx = GetPadX(posLocal);
1524 //AliError("Detector Index could not be determined");
1527 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1528 Double_t angles[6] =
1529 {90., 90.+(isector+0.5)*fgkPhiSec,
1531 90., (isector+0.5)*fgkPhiSec
1533 Rotation(posLocal,angles);
1535 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1536 Translation(posLocal,step);
1538 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1546 Rotation(posLocal,angles);
1548 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1550 step[1] = GetHeights(iplate,istrip);
1551 step[2] = -GetDistances(iplate,istrip);
1552 Translation(posLocal,step);
1554 if (GetAngles(iplate,istrip) >0.) {
1557 angles[2] = 90.+GetAngles(iplate,istrip);
1559 angles[4] = GetAngles(iplate,istrip);
1562 else if (GetAngles(iplate,istrip)==0.) {
1570 else if (GetAngles(iplate,istrip) <0.) {
1573 angles[2] = 90.+GetAngles(iplate,istrip);
1575 angles[4] =-GetAngles(iplate,istrip);
1578 Rotation(posLocal,angles);
1580 step[0] =-0.5*kNpadX*fgkXPad;
1582 step[2] =-0.5*kNpadZ*fgkZPad;
1583 Translation(posLocal,step);
1585 step[0] = (ipadx+0.5)*fgkXPad;
1587 step[2] = (ipadz+0.5)*fgkZPad;
1588 Translation(posLocal,step);
1595 //_____________________________________________________________________________
1596 Float_t AliTOFGeometry::GetPadDz(Float_t *pos)
1599 // Returns the z coordinate in the Pad reference frame
1604 Float_t posLocal[3];
1605 for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
1607 Int_t isector = GetSector(posLocal);
1609 //AliError("Detector Index could not be determined");
1611 Int_t iplate = GetPlate(posLocal);
1613 //AliError("Detector Index could not be determined");
1615 Int_t istrip = GetStrip(posLocal);
1617 //AliError("Detector Index could not be determined");
1619 Int_t ipadz = GetPadZ(posLocal);
1621 //AliError("Detector Index could not be determined");
1623 Int_t ipadx = GetPadX(posLocal);
1625 //AliError("Detector Index could not be determined");
1628 // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
1629 Double_t angles[6] =
1630 {90., 90.+(isector+0.5)*fgkPhiSec,
1632 90., (isector+0.5)*fgkPhiSec
1634 Rotation(posLocal,angles);
1636 Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
1637 Translation(posLocal,step);
1639 // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
1647 Rotation(posLocal,angles);
1649 // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
1651 step[1] = GetHeights(iplate,istrip);
1652 step[2] = -GetDistances(iplate,istrip);
1653 Translation(posLocal,step);
1655 if (GetAngles(iplate,istrip) >0.) {
1658 angles[2] = 90.+GetAngles(iplate,istrip);
1660 angles[4] = GetAngles(iplate,istrip);
1663 else if (GetAngles(iplate,istrip)==0.) {
1671 else if (GetAngles(iplate,istrip) <0.) {
1674 angles[2] = 90.+GetAngles(iplate,istrip);
1676 angles[4] =-GetAngles(iplate,istrip);
1679 Rotation(posLocal,angles);
1681 step[0] =-0.5*kNpadX*fgkXPad;
1683 step[2] =-0.5*kNpadZ*fgkZPad;
1684 Translation(posLocal,step);
1686 step[0] = (ipadx+0.5)*fgkXPad;
1688 step[2] = (ipadz+0.5)*fgkZPad;
1689 Translation(posLocal,step);
1696 //_____________________________________________________________________________
1698 void AliTOFGeometry::Translation(Float_t *xyz, Float_t translationVector[3]) const
1701 // Return the vector xyz translated by translationVector vector
1706 for (ii=0; ii<3; ii++)
1707 xyz[ii] -= translationVector[ii];
1712 //_____________________________________________________________________________
1714 void AliTOFGeometry::Rotation(Float_t *xyz, Double_t rotationAngles[6]) const
1717 // Return the vector xyz rotated according to the rotationAngles angles
1722 TRotMatrix *matrix = new TRotMatrix("matrix","matrix", angles[0], angles[1],
1723 angles[2], angles[3],
1724 angles[4], angles[5]);
1727 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1729 Float_t xyzDummy[3] = {0., 0., 0.};
1731 for (ii=0; ii<3; ii++) {
1733 xyz[0]*TMath::Sin(rotationAngles[2*ii])*TMath::Cos(rotationAngles[2*ii+1]) +
1734 xyz[1]*TMath::Sin(rotationAngles[2*ii])*TMath::Sin(rotationAngles[2*ii+1]) +
1735 xyz[2]*TMath::Cos(rotationAngles[2*ii]);
1738 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1743 //_____________________________________________________________________________
1744 void AliTOFGeometry::InverseRotation(Float_t *xyz, Double_t rotationAngles[6]) const
1752 for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
1754 Float_t xyzDummy[3] = {0., 0., 0.};
1757 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Cos(rotationAngles[1]) +
1758 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Cos(rotationAngles[3]) +
1759 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Cos(rotationAngles[5]);
1762 xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Sin(rotationAngles[1]) +
1763 xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Sin(rotationAngles[3]) +
1764 xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Sin(rotationAngles[5]);
1767 xyz[0]*TMath::Cos(rotationAngles[0]) +
1768 xyz[1]*TMath::Cos(rotationAngles[2]) +
1769 xyz[2]*TMath::Cos(rotationAngles[4]);
1771 for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
1776 //_____________________________________________________________________________
1778 Int_t AliTOFGeometry::GetIndex(Int_t *detId)
1780 //Retrieve calibration channel index
1781 Int_t isector = detId[0];
1782 if (isector >= kNSectors){
1783 printf("Wrong sector number in TOF (%d) !",isector);
1786 Int_t iplate = detId[1];
1787 if (iplate >= kNPlates){
1788 printf("Wrong plate number in TOF (%d) !",iplate);
1791 Int_t istrip = detId[2];
1792 Int_t ipadz = detId[3];
1793 Int_t ipadx = detId[4];
1794 Int_t stripOffset = 0;
1800 stripOffset = kNStripC;
1803 stripOffset = kNStripC+kNStripB;
1806 stripOffset = kNStripC+kNStripB+kNStripA;
1809 stripOffset = kNStripC+kNStripB+kNStripA+kNStripB;
1812 printf("Wrong plate number in TOF (%d) !",iplate);
1816 Int_t idet = ((2*(kNStripC+kNStripB)+kNStripA)
1817 *kNpadZ*kNpadX)*isector +
1818 (stripOffset*kNpadZ*kNpadX)+
1819 (kNpadZ*kNpadX)*istrip+
1824 //_____________________________________________________________________________
1826 void AliTOFGeometry::GetVolumeIndices(Int_t index, Int_t *detId)
1829 // Retrieve volume indices from the calibration channel index
1832 detId[0] = index/NpadXStrip()/NStripXSector();
1834 Int_t dummyStripPerModule =
1835 ( index - ( NStripXSector()*NpadXStrip()*detId[0]) ) / NpadXStrip();
1836 if (dummyStripPerModule<kNStripC) {
1838 detId[2] = dummyStripPerModule;
1840 else if (dummyStripPerModule>=kNStripC && dummyStripPerModule<kNStripC+kNStripB) {
1842 detId[2] = dummyStripPerModule-kNStripC;
1844 else if (dummyStripPerModule>=kNStripC+kNStripB && dummyStripPerModule<kNStripC+kNStripB+kNStripA) {
1846 detId[2] = dummyStripPerModule-kNStripC-kNStripB;
1848 else if (dummyStripPerModule>=kNStripC+kNStripB+kNStripA && dummyStripPerModule<kNStripC+kNStripB+kNStripA+kNStripB) {
1850 detId[2] = dummyStripPerModule-kNStripC-kNStripB-kNStripA;
1852 else if (dummyStripPerModule>=kNStripC+kNStripB+kNStripA+kNStripB && dummyStripPerModule<NStripXSector()) {
1854 detId[2] = dummyStripPerModule-kNStripC-kNStripB-kNStripA-kNStripB;
1857 Int_t padPerStrip = ( index - ( NStripXSector()*NpadXStrip()*detId[0]) ) - dummyStripPerModule*NpadXStrip();
1859 detId[3] = padPerStrip / kNpadX;
1860 detId[4] = padPerStrip - detId[3]*kNpadX;
1863 //_____________________________________________________________________________
1865 Int_t AliTOFGeometry::NStrip(Int_t nPlate)
1868 // Returns the strips number for the plate number 'nPlate'
1871 Int_t nStrips = kNStripC;