/*
$Log$
+Revision 1.20.1 2007/05/19 decaro
+ Added the following methods:
+ GetVolumeIndices(Int_t index, Int_t *det), to get
+ the volume indices (sector, plate, strip, padz, padx,
+ stored respectively in det[0], det[1], det[2], det[3], det[4])
+ from the calibration channel index;
+ NStrip(Int_t nPlate), to get the strips number
+ per each kind of TOF module.
+
+Revision 1.20 2007/10/08 17:52:55 decaro
+hole region in front of PHOS detector: update of sectors' numbers
+
+Revision 1.19 2007/10/04 14:05:09 zampolli
+AliTOFGeometryV5 becoming AliTOFGeometry
+
+Revision 1.18 2007/02/19 18:55:26 decaro
+Added getter methods for volume path (for Event Display)
+
+Revision 1.17.1 2006/12/15
+ Added method DetToStripRF(...) to get
+ a pad corner coordinates in its strip reference frame
+ (A.De Caro, M.Di Stefano)
+Revision 1.17 2006/08/22 13:30:02 arcelli
+removal of effective c++ warnings (C.Zampolli)
+
+Revision 1.16 2006/04/20 22:30:50 hristov
+Coding conventions (Annalisa)
+
+Revision 1.15 2006/04/16 22:29:05 hristov
+Coding conventions (Annalisa)
+
+Revision 1.14 2006/04/05 08:35:38 hristov
+Coding conventions (S.Arcelli, C.Zampolli)
+
+Revision 1.13 2006/03/12 14:37:54 arcelli
+ Changes for TOF Reconstruction using TGeo
+
+Revision 1.12 2006/02/28 10:38:00 decaro
+AliTOFGeometry::fAngles, AliTOFGeometry::fHeights, AliTOFGeometry::fDistances arrays: dimension definition in the right location
+
+Revision 1.11 2005/12/15 14:17:29 decaro
+Correction of some parameter values
+
+Revision 1.10 2005/12/15 08:55:32 decaro
+New TOF geometry description (V5) -G. Cara Romeo and A. De Caro
+
+Revision 1.9.1 2005/07/19 A. De Caro
+ Created daughter-classes AliTOFGeometryV4 and AliTOFGeometryV5
+ => moved global methods IsInsideThePad, DistanceToPad,
+ GetPlate, GetSector, GetStrip, GetPadX, GetPadZ,
+ GetX, GetY, GetZ, GetPadDx, GetPadDy and GetPadDz
+ in daughter-classes
+
+Revision 1.9 2005/10/20 12:41:35 hristov
+Implementation of parallel tracking. It is not the default version, one can use it passing option MI from AliReconstruction to TOF (M.Ivanov)
+
+Revision 1.8 2004/11/29 08:28:01 decaro
+Introduction of a new TOF constant (i.e. TDC bin width)
+
+Revision 1.7 2004/11/05 07:20:08 decaro
+TOF library splitting and conversion of some printout messages in AliLog schema (T.Kuhr)
+
+Revision 1.6 2004/06/15 15:27:59 decaro
+TOF raw data: preliminary implementation and style changes
+
+Revision 1.5 2004/04/20 14:37:22 hristov
+Using TMath::Abs instead of fabs, arrays of variable size created/deleted correctly (HP,Sun)
+
+Revision 1.4 2004/04/13 09:42:51 decaro
+Track reconstruction code for TOF: updating
+
Revision 1.3 2003/12/29 18:40:39 hristov
Copy/paste error corrected
Revision 1.1 2003/12/29 15:18:03 decaro
TOF geometry updating (addition of AliTOFGeometry)
-Revision 0.01 2003/12/04 S.Arcelli
-Revision 0.02 2003/12/10 S.Arcelli:
- Implement Global methods GetPos & GetDetID
-Revision 0.03 2003/12/14 S.Arcelli
- Set Phi range [-180,180]->[0,360]
-Revision 0.03 2004/4/05 S.Arcelli
+Revision 0.05 2004/6/11 A.De Caro
+ Implement Global method NpadXStrip
+ Insert four float constants (originally in AliTOF class)
+Revision 0.04 2004/4/05 S.Arcelli
Implement Global methods IsInsideThePad
DistanceToPad
+Revision 0.03 2003/12/14 S.Arcelli
+ Set Phi range [-180,180]->[0,360]
+Revision 0.02 2003/12/10 S.Arcelli:
+ Implement Global methods GetPos & GetDetID
+Revision 0.01 2003/12/04 S.Arcelli
*/
-#include <stdlib.h>
-#include <Riostream.h>
///////////////////////////////////////////////////////////////////////////////
// //
// TOF Geometry class //
// //
///////////////////////////////////////////////////////////////////////////////
+#include "TGeoManager.h"
+//#include "TGeoMatrix.h"
+#include "TMath.h"
+
#include "AliConst.h"
+#include "AliGeomManager.h"
+#include "AliLog.h"
+
#include "AliTOFGeometry.h"
+extern TGeoManager *gGeoManager;
+
ClassImp(AliTOFGeometry)
-const Int_t AliTOFGeometry::fgkTimeDiff = 25000;// Min signal separation (ps)
+const Float_t AliTOFGeometry::fgkZlenA = 370.6*2.; // length (cm) of the A module
+const Float_t AliTOFGeometry::fgkZlenB = 146.5; // length (cm) of the B module
+const Float_t AliTOFGeometry::fgkZlenC = 170.45; // length (cm) of the C module
+const Float_t AliTOFGeometry::fgkMaxhZtof = 370.6; // Max half z-size of TOF (cm)
-const Float_t AliTOFGeometry::fgkxTOF = 371.; // Inner radius of the TOF for Reconstruction (cm)
-const Float_t AliTOFGeometry::fgkRmin = 370.; // Inner radius of the TOF (cm)
-const Float_t AliTOFGeometry::fgkRmax = 399; // Outer radius of the TOF (cm)
-const Float_t AliTOFGeometry::fgkZlenA = 106.0;// length (cm) of the A module
-const Float_t AliTOFGeometry::fgkZlenB = 141.0;// length (cm) of the B module
-const Float_t AliTOFGeometry::fgkZlenC = 177.5;// length (cm) of the C module
-const Float_t AliTOFGeometry::fgkXPad = 2.5; // Pad size in the x direction (cm)
-const Float_t AliTOFGeometry::fgkZPad = 3.5; // Pad size in the z direction (cm)
-const Float_t AliTOFGeometry::fgkMaxhZtof = 371.5;// Max half z-size of TOF (cm)
+const Float_t AliTOFGeometry::fgkxTOF = 372.00;// Inner radius of the TOF for Reconstruction (cm)
+const Float_t AliTOFGeometry::fgkRmin = 371.00;// Inner radius of the TOF (cm)
+const Float_t AliTOFGeometry::fgkRmax = 400.05;// Outer radius of the TOF (cm)
+const Float_t AliTOFGeometry::fgkXPad = 2.5; // Pad size in the x direction (cm)
+const Float_t AliTOFGeometry::fgkZPad = 3.5; // Pad size in the z direction (cm)
-const Float_t AliTOFGeometry::fgkSigmaForTail1= 2.;//Sig1 for simulation of TDC tails
+const Float_t AliTOFGeometry::fgkStripLength = 122.;// Strip Length (rho X phi direction) (cm)
+
+const Float_t AliTOFGeometry::fgkSigmaForTail1= 2.; //Sig1 for simulation of TDC tails
const Float_t AliTOFGeometry::fgkSigmaForTail2= 0.5;//Sig2 for simulation of TDC tails
-const Float_t AliTOFGeometry::fgkSpeedOfLight = 0.299792458;// c (10^9 m/s)
-const Float_t AliTOFGeometry::fgkPionMass = 0.13957;// pion mass (Gev/c^2)
-const Float_t AliTOFGeometry::fgkKaonMass = 0.49368;// kaon mass (Gev/c^2)
-const Float_t AliTOFGeometry::fgkProtonMass = 0.93827;// proton mass (Gev/c^2)
-const Float_t AliTOFGeometry::fgkElectronMass = 0.00051;// electron mass (Gev/c^2)
-const Float_t AliTOFGeometry::fgkMuonMass = 0.10566;// muon mass (Gev/c^2)
+const Float_t AliTOFGeometry::fgkPhiSec= 20;//sector Phi width (deg)
+
+Bool_t AliTOFGeometry::fgHoles = 1;//logical for geometry version (w/wo holes)
+
+const Float_t AliTOFGeometry::fgkTdcBin = 24.4; // time-of-flight bin width [ps]
+const Float_t AliTOFGeometry::fgkToTBin = 48.8; // time-over-threshold bin width [ps]
+const Float_t AliTOFGeometry::fgkBunchCrossingBin = fgkTdcBin * 1024; // bunch-crossing bin width [ps]
+
+const Float_t AliTOFGeometry::fgkSlewTOTMin = 10.; // min TOT for slewing correction [ns]
+const Float_t AliTOFGeometry::fgkSlewTOTMax = 16.; // max TOT for slewing correction [ns]
+
+const Float_t AliTOFGeometry::fgkDeadTime = 25E+03; // Single channel dead time (ps)
+const Float_t AliTOFGeometry::fgkMatchingWindow = fgkTdcBin*TMath::Power(2,13); // Matching window (ps)
+
+const Float_t AliTOFGeometry::fgkAngles[kNPlates][kMaxNstrip] = {
+ { 43.99, 43.20, 42.40, 41.59, 40.77, 39.94, 39.11, 38.25, 37.40, 36.53,
+ 35.65, 34.76, 33.87, 32.96, 32.05, 31.13, 30.19, 29.24, 12.33, 0.00},
+
+ { 27.26, 26.28, 25.30, 24.31, 23.31, 22.31, 21.30, 20.29, 19.26, 18.24,
+ 17.20, 16.16, 15.11, 14.05, 13.00, 11.93, 10.87, 9.80, 8.74, 0.00},
+
+ { 0.00, 6.30, 5.31, 4.25, 3.19, 2.12, 1.06, 0.00, -1.06, -2.12,
+ -3.19, -4.25, -5.31, -6.30, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00},
+
+ { -8.74, -9.80, -10.87, -11.93, -13.00, -14.05, -15.11, -16.16, -17.20, -18.24,
+ -19.26, -20.29, -21.30, -22.31, -23.31, -24.31, -25.30, -26.28, -27.26, 0.00},
+
+ {-12.33, -29.24, -30.19, -31.13, -32.05, -32.96, -33.87, -34.76, -35.65, -36.53,
+ -37.40, -38.25, -39.11, -39.94, -40.77, -41.59, -42.40, -43.20, -43.99, 0.00}
+ };
+
+/*
+const Float_t AliTOFGeometry::fgkHeights[kNPlates][kMaxNstrip] = {
+ {-8.2, -7.5, -8.2, -7.7, -8.1, -7.6, -7.7, -7.7, -7.7, -7.7,
+ -7.5, -7.2, -7.3, -7.5, -7.6, -7.8, -8.3, -9.3, -3.1, 0.0},
+
+ {-7.9, -8.1, -8.5, -9.0, -10.1, -3.9, -5.9, -7.7, -10.1, -3.6,
+ -5.8, -8.0, -10.4, -4.4, -7.2, -10.2, -4.6, -7.4, -10.4, 0.0},
-const Float_t AliTOFGeometry::fgkDprecMin = 0.0000075;//num.prec.tolerance on Thmin
-const Float_t AliTOFGeometry::fgkDprecMax = 0.0000100;//num.prec.tolerance on Thma
-const Float_t AliTOFGeometry::fgkDprecCen = 0.0000005;//num.prec.tolerance on <Theta>
+ {-2.5, -10.4, -5.0, -9.9, -4.8, -9.9, -4.7, -10.2, -4.7, -9.9,
+ -4.8, -9.9, -5.0, -10.4, -2.5, 0.0, 0.0, 0.0, 0.0, 0.0},
+ {-10.4, -7.4, -4.6, -10.2, -7.2, -4.4, -10.4, -8.0, -5.8, -3.6,
+ -10.1, -7.7, -5.9, -3.9, -10.1, -9.0, -8.5, -8.1, -7.9, 0.0},
+
+ { -3.1, -9.3, -8.3, -7.8, -7.6, -7.5, -7.3, -7.2, -7.5, -7.7,
+ -7.7, -7.7, -7.7, -7.6, -8.1, -7.7, -8.2, -7.5, -8.2, 0.0}
+ };
+*/
+/*
+const Float_t AliTOFGeometry::fgkHeights[kNPlates][kMaxNstrip] = {
+ { -8.405, -10.885, -8.405, -7.765, -8.285, -7.745, -7.865, -7.905, -7.895, -7.885,
+ -7.705, -7.395, -7.525, -7.645, -11.285, -10.355, -8.365, -9.385, -3.255, 0.000 },
+ { -7.905, -8.235, -8.605, -9.045, -10.205, -3.975, -5.915, -7.765, -10.205, -3.635,
+ -5.885, -8.005, -10.505, -4.395, -7.325, -10.235, -4.655, -7.495, -10.515, 0.000 },
+ { -2.705, -10.645, -5.165, -10.095, -4.995, -10.815, -4.835, -10.385, -4.835, -10.815,
+ -4.995, -10.095, -5.165, -10.645, -2.705, 0.000, 0.000, 0.000, 0.000, 0.000 },
+ { -10.515, -7.495, -4.655, -10.235, -7.325, -4.395, -10.505, -8.005, -5.885, -3.635,
+ -10.205, -7.765, -5.915, -3.975, -10.205, -9.045, -8.605, -8.235, -7.905, 0.000 },
+ { -3.255, -9.385, -8.365, -10.355, -11.285, -7.645, -7.525, -7.395, -7.705, -7.885,
+ -7.895, -7.905, -7.865, -7.745, -8.285, -7.765, -8.405, -10.885, -8.405, 0.000 }
+};
+*/
+
+
+const Float_t AliTOFGeometry::fgkHeights[kNPlates][kMaxNstrip] = {
+ { -8.405, -7.725, -8.405, -7.765, -8.285, -7.745, -7.865, -7.905, -7.895, -7.885,
+ -7.705, -7.395, -7.525, -7.645, -7.835, -7.965, -8.365, -9.385, -3.255, 0.000 },
+ { -7.905, -8.235, -8.605, -9.045, -10.205, -3.975, -5.915, -7.765, -10.205, -3.635,
+ -5.885, -8.005, -10.505, -4.395, -7.325, -10.235, -4.655, -7.495, -10.515, 0.000 },
+ { -2.705, -10.645, -5.165, -10.095, -4.995, -10.085, -4.835, -10.385, -4.835, -10.085,
+ -4.995, -10.095, -5.165, -10.645, -2.705, 0.000, 0.000, 0.000, 0.000, 0.000 },
+ {-10.515, -7.495, -4.655, -10.235, -7.325, -4.395, -10.505, -8.005, -5.885, -3.635,
+ -10.205, -7.765, -5.915, -3.975, -10.205, -9.045, -8.605, -8.235, -7.905, 0.000 },
+ { -3.255, -9.385, -8.365, -7.965, -7.835, -7.645, -7.525, -7.395, -7.705, -7.885,
+ -7.895, -7.905, -7.865, -7.745, -8.285, -7.765, -8.405, -7.725, -8.405, 0.000 }
+};
+
+
+
+const Float_t AliTOFGeometry::fgkDistances[kNPlates][kMaxNstrip] = {
+ { 364.14, 354.88, 344.49, 335.31, 325.44, 316.51, 307.11, 297.91, 288.84, 279.89,
+ 271.20, 262.62, 253.84, 245.20, 236.56, 228.06, 219.46, 210.63, 206.09, 0.00 },
+ { 194.57, 186.38, 178.25, 170.13, 161.78, 156.62, 148.10, 139.72, 131.23, 125.87,
+ 117.61, 109.44, 101.29, 95.46, 87.36, 79.37, 73.17, 65.33, 57.71, 0.00 },
+ { 49.28, 41.35, 35.37, 27.91, 21.20, 13.94, 7.06, 0.00, -7.06, -13.94,
+ -21.20, -27.91, -35.37, -41.35, -49.28, 0.00, 0.00, 0.00, 0.00, 0.00 },
+ { -57.71, -65.33, -73.17, -79.37, -87.36, -95.46, -101.29, -109.44, -117.61, -125.87,
+ -131.23, -139.72, -148.10, -156.62, -161.78, -170.13, -178.25, -186.38, -194.57, 0.00 },
+ {-206.09, -210.63, -219.46, -228.06, -236.56, -245.20, -253.84, -262.62, -271.20, -279.89,
+ -288.84, -297.91, -307.11, -316.51, -325.44, -335.31, -344.49, -354.88, -364.14, 0.00 }
+};
+
+/*
+const Float_t AliTOFGeometry::fgkDistances[kNPlates][kMaxNstrip] = {
+ { 364.1, 354.9, 344.5, 335.4, 325.5, 316.6, 307.2, 298.0, 288.9, 280.0,
+ 271.3, 262.7, 254.0, 244.8, 236.1, 227.7, 219.1, 210.3, 205.7, 0.0},
+
+ { 194.2, 186.1, 177.9, 169.8, 161.5, 156.3, 147.8, 139.4, 130.9, 125.6,
+ 117.3, 109.2, 101.1, 95.3, 87.1, 79.2, 73.0, 65.1, 57.6, 0.0},
+
+ { 49.5, 41.3, 35.3, 27.8, 21.2, 13.9, 7.0, 0.0, -7.0, -13.9,
+ -21.2, -27.8, -35.3, -41.3, -49.5, 0.0, 0.0, 0.0, 0.0, 0.0},
+
+ { -57.6, -65.1, -73.0, -79.2, -87.1, -95.3, -101.1, -109.2, -117.3, -125.6,
+ -130.9, -139.4, -147.8, -156.3, -161.5, -169.8, -177.9, -186.1, -194.2, 0.0},
+
+ {-205.7, -210.3, -219.1, -227.7, -236.1, -244.8, -254.0, -262.7, -271.3, -280.0,
+ -288.9, -298.0, -307.2, -316.6, -325.5, -335.4, -344.5, -354.9, -364.1, 0.0}
+ };
+*/
//_____________________________________________________________________________
AliTOFGeometry::AliTOFGeometry()
{
//
// AliTOFGeometry default constructor
//
- Init();
}
//
// AliTOFGeometry destructor
//
-
}
//_____________________________________________________________________________
-void AliTOFGeometry::Init()
+void AliTOFGeometry::ImportGeometry(){
+ TGeoManager::Import("geometry.root");
+}
+//_____________________________________________________________________________
+void AliTOFGeometry::GetPosPar(Int_t *det, Float_t *pos)
{
- //
- // Initialize strip Tilt Angles and Heights
- //
- // Strips Tilt Angles
-
- Float_t const kangles[kNPlates][kMaxNstrip] ={
+//
+// Returns space point coor (x,y,z) (cm) for Detector
+// Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
+//
- {44.494, 43.725, 42.946, 42.156, 41.357, 40.548, 39.729, 38.899,
- 38.060, 37.211, 36.353, 35.484, 34.606, 33.719, 32.822, 31.916,
- 31.001, 30.077, 29.144, 28.202 },
+ pos[0]=GetX(det);
+ pos[1]=GetY(det);
+ pos[2]=GetZ(det);
+
+}
+//_____________________________________________________________________________
+void AliTOFGeometry::GetDetID( Float_t *pos, Int_t *det)
+{
+ //
+ // Returns Detector Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
+ // space point coor (x,y,z) (cm)
- {26.884, 25.922, 24.952, 23.975, 22.989, 22.320, 21.016, 20.309,
- 19.015, 18.270, 16.989, 16.205, 14.941, 14.117, 12.871, 12.008,
- 10.784, 9.8807, 8.681, 0.0 },
- { 7.5835, 6.4124, 5.4058, 4.2809, 3.2448, 2.1424, 1.078, -0., -1.078,
- -2.1424, -3.2448, -4.2809, -5.4058, -6.4124, -7.5835, 0.0, 0.0, 0.0,
- 0.0, 0.0 },
-
- {-8.681, -9.8807, -10.784, -12.008, -12.871, -14.117, -14.941, -16.205,
- -16.989, -18.27, -19.015, -20.309, -21.016, -22.32, -22.989,
- -23.975, -24.952, -25.922, -26.884, 0. },
+ det[0]=GetSector(pos);
+ det[1]=GetPlate(pos);
+ det[2]=GetStrip(pos);
+ det[3]=GetPadZ(pos);
+ det[4]=GetPadX(pos);
- {-28.202, -29.144, -30.077, -31.001, -31.916, -32.822, -33.719, -34.606,
- -35.484, -36.353, -37.211, -38.06, -38.899, -39.729, -40.548,
- -41.357, -42.156, -42.946, -43.725, -44.494 }};
-
+}
+//_____________________________________________________________________________
- //Strips Heights
+void AliTOFGeometry::DetToStripRF(Int_t nPadX, Int_t nPadZ, Float_t &x, Float_t &z) const
+{
+ //
+ // Returns the local coordinates (x, z) in strip reference frame
+ // for the bottom corner of the pad number (nPadX, nPadZ)
+ //
+ /*
+ const Float_t xCenterStrip = kNpadX * fgkXPad / 2.;
+ const Float_t zCenterStrip = kNpadZ * fgkZPad / 2.;
- Float_t const kheights[kNPlates][kMaxNstrip]= {
+ const Float_t xCenterPad = nPadX*fgkXPad + fgkXPad / 2.;
+ const Float_t zCenterPad = nPadZ*fgkZPad + fgkZPad / 2.;
- {-5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5,
- -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5 },
-
- {-6.3, -7.1, -7.9, -8.7, -9.5, -3, -9.5, -3, -9.5, -3,
- -9.5, -3.0, -9.5, -3.0, -9.5, -3, -9.5, -3, -9 , 0.},
-
- { -3, -9, -4.5, -9, -4.5, -9, -4.5, -9, -4.5, -9,
- -4.5, -9, -4.5, -9, -3, 0.0, 0.0, 0.0, 0.0, 0.0 },
-
- { -9, -3, -9.5, -3, -9.5, -3, -9.5, -3, -9.5, -3, -9.5,
- -3, -9.5, -3, -9.5, -8.7, -7.9, -7.1, -6.3, 0. },
-
- {-5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5,
- -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5, -5.5 }};
+ x = xCenterPad - xCenterStrip;
+ z = zCenterPad - zCenterStrip;
+ */
- // Deposit in fAngles, fHeights
+ x = (nPadX - kNpadX*0.5) * fgkXPad;
+ z = (nPadZ - kNpadZ*0.5) * fgkZPad;
- for (Int_t iplate = 0; iplate < kNPlates; iplate++) {
- for (Int_t istrip = 0; istrip < kMaxNstrip; istrip++) {
- fAngles[iplate][istrip] = kangles[iplate][istrip];
- fHeights[iplate][istrip] = kheights[iplate][istrip];
- }
- }
- fPhiSec = 360./kNSectors;
}
-
//_____________________________________________________________________________
-Float_t AliTOFGeometry::DistanceToPad(Int_t *det, Float_t *pos)
+Float_t AliTOFGeometry::DistanceToPadPar(Int_t *det, const Float_t * pos, Float_t *dist3d)
{
//
// Returns distance of space point with coor pos (x,y,z) (cm) wrt
Float_t z = pos[2];
Float_t radius = TMath::Sqrt(x*x+y*y);
- Float_t phi=TMath::ATan2(y,x);
- if(phi<0) phi=2.*TMath::Pi()+phi;
+ //Float_t phi=TMath::ATan(y/x);
+ //if(phi<0) phi = k2PI+phi; //2.*TMath::Pi()+phi;
+ Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
// Get the local angle in the sector philoc
- Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/20.) + 0.5)*fPhiSec;
+ Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5)*fgkPhiSec;
Float_t xs = radius*TMath::Cos(angle/kRaddeg);
Float_t ys = radius*TMath::Sin(angle/kRaddeg);
Float_t zs = z;
// Do the same for the selected pad
Float_t g[3];
- GetPos(det,g);
+ GetPosPar(det,g);
Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
- Float_t padPhi=TMath::ATan2(g[1],g[0]);
- if(padPhi<0) padPhi=2.*TMath::Pi()+padPhi;
+ //Float_t padPhi = TMath::ATan(g[1]/g[0]);
+ //if(padPhi<0) padPhi = k2Pi + padPhi;
+ Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
+
// Get the local angle in the sector philoc
- Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/20.)+ 0.5) * fPhiSec;
+ Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
Float_t padzs = g[2];
//Now Rotate:
Float_t alpha = GetAngles(det[1],det[2]);
- Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
- Float_t yr = yt;
+ Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
+ Float_t yr = yt;
Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr);
- return dist;
-}
+ if (dist3d){
+ dist3d[0] = xr;
+ dist3d[1] = yr;
+ dist3d[2] = zr;
+ }
+ return dist;
+}
//_____________________________________________________________________________
-Bool_t AliTOFGeometry::IsInsideThePad(Int_t *det, Float_t *pos)
+Bool_t AliTOFGeometry::IsInsideThePadPar(Int_t *det, const Float_t * pos)
{
//
// Returns true if space point with coor pos (x,y,z) (cm) falls
Bool_t isInside=false;
-
+ /*
+ const Float_t khhony = 1.0 ; // heigth of HONY Layer
+ const Float_t khpcby = 0.08 ; // heigth of PCB Layer
+ const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
+ const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
+ const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
+ //const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
+ const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
+ //const Float_t kwstripz = kwcpcbz;
+ //const Float_t klstripx = fgkStripLength;
+ */
+
+ const Float_t kPadDepth = 0.5;//0.05;//0.11;//0.16;// // heigth of Sensitive Layer
+
//Transform pos into Sector Frame
Float_t x = pos[0];
Float_t z = pos[2];
Float_t radius = TMath::Sqrt(x*x+y*y);
- Float_t phi=TMath::ATan2(y,x);
- if(phi<0) phi=2.*TMath::Pi()+phi;
+ Float_t phi = TMath::Pi()+TMath::ATan2(-y,-x);
+
// Get the local angle in the sector philoc
- Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/20.) + 0.5) *fPhiSec;
+ Float_t angle = phi*kRaddeg-( Int_t (kRaddeg*phi/fgkPhiSec) + 0.5) *fgkPhiSec;
Float_t xs = radius*TMath::Cos(angle/kRaddeg);
Float_t ys = radius*TMath::Sin(angle/kRaddeg);
Float_t zs = z;
// Do the same for the selected pad
Float_t g[3];
- GetPos(det,g);
+ GetPosPar(det,g);
Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
- Float_t padPhi=TMath::ATan2(g[1],g[0]);
- if(padPhi<0) padPhi=2.*TMath::Pi()+padPhi;
+ Float_t padPhi = TMath::Pi()+TMath::ATan2(-g[1],-g[0]);
+
// Get the local angle in the sector philoc
- Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/20.)+ 0.5) * fPhiSec;
+ Float_t padAngle = padPhi*kRaddeg-( Int_t (padPhi*kRaddeg/fgkPhiSec)+ 0.5) * fgkPhiSec;
Float_t padxs = padRadius*TMath::Cos(padAngle/kRaddeg);
Float_t padys = padRadius*TMath::Sin(padAngle/kRaddeg);
Float_t padzs = g[2];
-
+
//Now move to local pad coordinate frame. Translate:
-
+
Float_t xt = xs-padxs;
Float_t yt = ys-padys;
Float_t zt = zs-padzs;
+
//Now Rotate:
-
+
Float_t alpha = GetAngles(det[1],det[2]);
- Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
- Float_t yr = yt;
+ Float_t xr = xt*TMath::Cos(alpha/kRaddeg)+zt*TMath::Sin(alpha/kRaddeg);
+ Float_t yr = yt;
Float_t zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg);
- if(fabs(xr)<=0.75 && fabs(yr)<= (fgkXPad*0.5) && fabs(zr)<= (fgkZPad*0.5))
- isInside=true;
+ if(TMath::Abs(xr)<=kPadDepth*0.5 && TMath::Abs(yr)<= (fgkXPad*0.5) && TMath::Abs(zr)<= (fgkZPad*0.5))
+ isInside=true;
+ return isInside;
+
+}
+//_____________________________________________________________________________
+Bool_t AliTOFGeometry::IsInsideThePad(TGeoHMatrix *mat, const Float_t * pos, Float_t *dist3d)
+{
+ //
+ // Returns true if space point with coor pos (x,y,z) [cm] falls inside
+ // pad identified by the matrix mat. In case dist3d!=0, dist3d vector
+ // has been filled with the 3D distance between the impact point on
+ // the pad and the pad centre (in the reference frame of the TOF pad
+ // identified by the matrix mat).
+ //
+
+ const Float_t kPadDepth = 0.5; // heigth of Sensitive Layer
+
+ Double_t posg[3];
+ posg[0] = pos[0];
+ posg[1] = pos[1];
+ posg[2] = pos[2];
+
+ // from ALICE global reference system
+ // towards TOF pad reference system
+ Double_t posl[3] = {0., 0., 0.};
+ mat->MasterToLocal(posg,posl);
+
+ Float_t xr = posl[0];
+ Float_t yr = posl[1];
+ Float_t zr = posl[2];
+
+ Bool_t isInside = false;
+ if (TMath::Abs(yr)<= kPadDepth*0.5 &&
+ TMath::Abs(xr)<= fgkXPad*0.5 &&
+ TMath::Abs(zr)<= fgkZPad*0.5)
+ isInside = true;
+
+ if (dist3d) {
+ //Double_t padl[3] = {0., 0., 0.};
+ dist3d[0] = posl[0]/* - padl[0]*/;
+ dist3d[1] = posl[1]/* - padl[1]*/;
+ dist3d[2] = posl[2]/* - padl[2]*/;
+
+ /*
+ Double_t padg[3] = {0., 0., 0.};
+ // from TOF pad local reference system
+ // towards ALICE global reference system
+ TGeoHMatrix inverse = mat->Inverse();
+ inverse.MasterToLocal(padl,padg);
+
+ // returns the 3d distance
+ // between the impact point on the pad
+ // and the pad centre (in the ALICE global reference frame)
+ dist3d[0] = posg[0] - padg[0];
+ dist3d[1] = posg[1] - padg[1];
+ dist3d[2] = posg[2] - padg[2];
+ */
+ }
+
return isInside;
}
+//_____________________________________________________________________________
+void AliTOFGeometry::GetVolumePath(const Int_t * ind, Char_t *path ) {
+ //--------------------------------------------------------------------
+ // This function returns the colume path of a given pad
+ //--------------------------------------------------------------------
+ Int_t sector = ind[0];
+
+ const Int_t kSize = 100;
+
+ Char_t string1[kSize];
+ Char_t string2[kSize];
+ Char_t string3[kSize];
+
+ Int_t icopy=-1;
+ icopy=sector;
+
+ snprintf(string1,kSize,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
+
+ Int_t iplate=ind[1];
+ Int_t istrip=ind[2];
+ if( iplate==0) icopy=istrip;
+ if( iplate==1) icopy=istrip+NStripC();
+ if( iplate==2) icopy=istrip+NStripC()+NStripB();
+ if( iplate==3) icopy=istrip+NStripC()+NStripB()+NStripA();
+ if( iplate==4) icopy=istrip+NStripC()+2*NStripB()+NStripA();
+ icopy++;
+ snprintf(string2,kSize,"FTOA_0/FLTA_0/FSTR_%i",icopy);
+ if(fgHoles && (sector==13 || sector==14 || sector==15)){
+ if(iplate<2) snprintf(string2,kSize,"FTOB_0/FLTB_0/FSTR_%i",icopy);
+ if(iplate>2) snprintf(string2,kSize,"FTOC_0/FLTC_0/FSTR_%i",icopy);
+ }
+
+ Int_t padz = ind[3]+1;
+ Int_t padx = ind[4]+1;
+ snprintf(string3,kSize,"FPCB_1/FSEN_1/FSEZ_%i/FPAD_%i",padz,padx);
+ snprintf(path,2*kSize,"%s/%s/%s",string1,string2,string3);
+
+}
+//_____________________________________________________________________________
+void AliTOFGeometry::GetVolumePath(Int_t sector, Char_t *path ){
+ //--------------------------------------------------------------------
+ // This function returns the colume path of a given sector
+ //--------------------------------------------------------------------
+
+ const Int_t kSize = 100;
+ Char_t string[kSize];
+
+ Int_t icopy = sector;
+
+ snprintf(string,kSize,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
+ snprintf(path,2*kSize,"%s",string);
+
+}
+//_____________________________________________________________________________
+void AliTOFGeometry::GetVolumePath(Int_t sector, Int_t plate, Int_t strip, Char_t *path ) {
+ //--------------------------------------------------------------------
+ // This function returns the colume path of a given strip
+ //--------------------------------------------------------------------
+
+ const Int_t kSize = 100;
+
+ Char_t string1[kSize];
+ Char_t string2[kSize];
+ Char_t string3[kSize];
+
+ Int_t icopy = sector;
+
+ snprintf(string1,kSize,"/ALIC_1/B077_1/BSEGMO%i_1/BTOF%i_1",icopy,icopy);
+
+ if(plate==0) icopy=strip;
+ if(plate==1) icopy=strip+NStripC();
+ if(plate==2) icopy=strip+NStripC()+NStripB();
+ if(plate==3) icopy=strip+NStripC()+NStripB()+NStripA();
+ if(plate==4) icopy=strip+NStripC()+2*NStripB()+NStripA();
+ icopy++;
+ snprintf(string2,kSize,"FTOA_0/FLTA_0/FSTR_%i",icopy);
+ if(fgHoles && (sector==13 || sector==14 || sector==15)){
+ if(plate<2) snprintf(string2,kSize,"FTOB_0/FLTB_0/FSTR_%i",icopy);
+ if(plate>2) snprintf(string2,kSize,"FTOC_0/FLTC_0/FSTR_%i",icopy);
+ }
+
+ snprintf(string3,kSize,"FPCB_1/FSEN_1");
+ snprintf(path,2*kSize,"%s/%s/%s",string1,string2,string3);
+
+}
//_____________________________________________________________________________
void AliTOFGeometry::GetPos(Int_t *det, Float_t *pos)
{
// Returns space point coor (x,y,z) (cm) for Detector
// Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
//
+ Char_t path[200];
+ GetVolumePath(det,path);
+ if (!gGeoManager) {
+ printf("ERROR: no TGeo\n");
+ }
+ gGeoManager->cd(path);
+ TGeoHMatrix global;
+ global = *gGeoManager->GetCurrentMatrix();
+ const Double_t *tr = global.GetTranslation();
+
+ pos[0]=tr[0];
+ pos[1]=tr[1];
+ pos[2]=tr[2];
+}
+//_____________________________________________________________________________
+Int_t AliTOFGeometry::GetPlate(const Float_t * pos)
+{
+ //
+ // Returns the Plate index
+ //
+ const Float_t kInterCentrModBorder1 = 49.5;
+ const Float_t kInterCentrModBorder2 = 57.5;
+ const Float_t kExterInterModBorder1 = 196.0;
+ const Float_t kExterInterModBorder2 = 203.5;
- pos[0]=GetX(det);
- pos[1]=GetY(det);
- pos[2]=GetZ(det);
+ const Float_t kLengthExInModBorder = 4.7;
+ const Float_t kLengthInCeModBorder = 7.0;
+
+ //const Float_t khAlWall = 0.1;
+ const Float_t kModuleWallThickness = 0.3;
+ //const Float_t kHoneycombLayerThickness = 1.5;
+
+ Int_t iPlate=-1;
+
+ Float_t posLocal[3];
+ for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
+
+ Int_t isector = GetSector(posLocal);
+ if(isector == -1){
+ //AliError("Detector Index could not be determined");
+ return iPlate;
+ }
+
+ // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
+ Double_t angles[6] =
+ {90., 90.+(isector+0.5)*fgkPhiSec,
+ 0., 0.,
+ 90., (isector+0.5)*fgkPhiSec
+ };
+ Rotation(posLocal,angles);
+
+ Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
+ Translation(posLocal,step);
+
+ // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] =270.;
+
+ Rotation(posLocal,angles);
+
+ Float_t yLocal = posLocal[1];
+ Float_t zLocal = posLocal[2];
+
+ Float_t deltaRhoLoc = (fgkRmax-fgkRmin)*0.5 - kModuleWallThickness + yLocal;
+ Float_t deltaZetaLoc = TMath::Abs(zLocal);
+
+ Float_t deltaRHOmax = 0.;
+
+ if (TMath::Abs(zLocal)>=kExterInterModBorder1 && TMath::Abs(zLocal)<=kExterInterModBorder2)
+ {
+ deltaRhoLoc -= kLengthExInModBorder;
+ deltaZetaLoc = kExterInterModBorder2-deltaZetaLoc;
+ deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthExInModBorder; // old 5.35, new 4.8
+
+ if (deltaRhoLoc > deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) {
+ if (zLocal<0) iPlate = 0;
+ else iPlate = 4;
+ }
+ else {
+ if (zLocal<0) iPlate = 1;
+ else iPlate = 3;
+ }
+ }
+ else if (TMath::Abs(zLocal)>=kInterCentrModBorder1 && TMath::Abs(zLocal)<=kInterCentrModBorder2)
+ {
+ deltaRhoLoc -= kLengthInCeModBorder;
+ deltaZetaLoc = deltaZetaLoc-kInterCentrModBorder1;
+ deltaRHOmax = (fgkRmax - fgkRmin)*0.5 - kModuleWallThickness - 2.*kLengthInCeModBorder; // old 0.39, new 0.2
+
+ if (deltaRhoLoc>deltaZetaLoc*deltaRHOmax/(kInterCentrModBorder2-kInterCentrModBorder1)) iPlate = 2;
+ else {
+ if (zLocal<0) iPlate = 1;
+ else iPlate = 3;
+ }
+ }
+
+ if (zLocal>-fgkZlenA*0.5 && zLocal<-kExterInterModBorder2) iPlate = 0;
+ else if (zLocal>-kExterInterModBorder1 && zLocal<-kInterCentrModBorder2) iPlate = 1;
+ else if (zLocal>-kInterCentrModBorder1 && zLocal< kInterCentrModBorder1) iPlate = 2;
+ else if (zLocal> kInterCentrModBorder2 && zLocal< kExterInterModBorder1) iPlate = 3;
+ else if (zLocal> kExterInterModBorder2 && zLocal< fgkZlenA*0.5) iPlate = 4;
+ return iPlate;
+
}
+
//_____________________________________________________________________________
-void AliTOFGeometry::GetDetID( Float_t *pos, Int_t *det)
+Int_t AliTOFGeometry::GetSector(const Float_t * pos)
{
- //
- // Returns Detector Indices (iSect,iPlate,iStrip,iPadX,iPadZ)
- // space point coor (x,y,z) (cm)
+ //
+ // Returns the Sector index
+ //
+ Int_t iSect = -1;
- det[0]=GetSector(pos);
- det[1]=GetPlate(pos);
- det[2]=GetStrip(pos);
- det[3]=GetPadZ(pos);
- det[4]=GetPadX(pos);
+ Float_t x = pos[0];
+ Float_t y = pos[1];
+ Float_t z = pos[2];
+
+ Float_t rho = TMath::Sqrt(x*x + y*y);
+
+ if (!((z>=-fgkZlenA*0.5 && z<=fgkZlenA*0.5) &&
+ (rho>=(fgkRmin) && rho<=(fgkRmax)))) {
+ //AliError("Detector Index could not be determined");
+ return iSect;
+ }
+
+ Float_t phi = TMath::Pi() + TMath::ATan2(-y,-x);
+
+ iSect = (Int_t) (phi*kRaddeg/fgkPhiSec);
+ return iSect;
+
}
//_____________________________________________________________________________
-Float_t AliTOFGeometry::GetX(Int_t *det)
+Int_t AliTOFGeometry::GetStrip(const Float_t * pos)
+{
+ //
+ // Returns the Strip index
+ //
+ const Float_t khhony = 1.0 ; // heigth of HONY Layer
+ const Float_t khpcby = 0.08 ; // heigth of PCB Layer
+ const Float_t khrgly = 0.055 ; // heigth of RED GLASS Layer
+ const Float_t khglfy = 0.285 ; // heigth of GLASS+FISHLINE Layer
+ const Float_t khcpcby = 0.16 ; // heigth of PCB Central Layer
+ const Float_t kwcpcbz = 12.4 ; // z dimension of PCB Central Layer
+ const Float_t khstripy = 2.*khhony+2.*khpcby+4.*khrgly+2.*khglfy+khcpcby;//3.11
+ const Float_t kwstripz = kwcpcbz;
+ const Float_t klstripx = fgkStripLength;
+
+ Int_t iStrip=-1;
+
+ Float_t posLocal[3];
+ for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
+// AliDebug(1,Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ",
+// posLocal[0],posLocal[1],posLocal[2]));
+
+ Int_t isector = GetSector(posLocal);
+ if(isector == -1){
+ //AliError("Detector Index could not be determined");
+ return iStrip;}
+ Int_t iplate = GetPlate(posLocal);
+ if(iplate == -1){
+ //AliError("Detector Index could not be determined");
+ return iStrip;}
+
+ Int_t nstrips=0;
+ switch (iplate) {
+ case 0:
+ case 4:
+ nstrips=kNStripC;
+ break;
+ case 1:
+ case 3:
+ nstrips=kNStripB;
+ break;
+ case 2:
+ nstrips=kNStripA;
+ break;
+ }
+
+ // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
+ Double_t angles[6] =
+ {90., 90.+(isector+0.5)*fgkPhiSec,
+ 0., 0.,
+ 90., (isector+0.5)*fgkPhiSec
+ };
+ Rotation(posLocal,angles);
+ // AliDebug(1,Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ",
+ // posLocal[0],posLocal[1],posLocal[2]));
+
+ Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
+ Translation(posLocal,step);
+ // AliDebug(1,Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ",
+ // posLocal[0],posLocal[1],posLocal[2]));
+
+ // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] =270.;
+
+ Rotation(posLocal,angles);
+ // AliDebug(1,Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ",
+ // posLocal[0],posLocal[1],posLocal[2]));
+
+ // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
+ Int_t totStrip=0;
+ for (Int_t istrip=0; istrip<nstrips; istrip++){
+
+ Float_t posLoc2[3]={posLocal[0],posLocal[1],posLocal[2]};
+
+ step[0] = 0.;
+ step[1] = GetHeights(iplate,istrip);
+ step[2] = -GetDistances(iplate,istrip);
+ Translation(posLoc2,step);
+
+ if (GetAngles(iplate,istrip) >0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] = GetAngles(iplate,istrip);
+ angles[5] = 90.;
+ }
+ else if (GetAngles(iplate,istrip)==0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.;
+ angles[3] = 90.;
+ angles[4] = 0;
+ angles[5] = 0.;
+ }
+ else if (GetAngles(iplate,istrip) <0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] =-GetAngles(iplate,istrip);
+ angles[5] = 270.;
+ }
+ Rotation(posLoc2,angles);
+ // AliDebug(1,Form(" strip %2d: posLoc2[0] = %f, posLoc2[1] = %f, posLoc2[2] = %f ",
+ // istrip, posLoc2[0],posLoc2[1],posLoc2[2]));
+
+ if ((TMath::Abs(posLoc2[0])<=klstripx*0.5) &&
+ (TMath::Abs(posLoc2[1])<=khstripy*0.5) &&
+ (TMath::Abs(posLoc2[2])<=kwstripz*0.5)) {
+ iStrip = istrip;
+ totStrip++;
+ for (Int_t jj=0; jj<3; jj++) posLocal[jj]=posLoc2[jj];
+ // AliDebug(2,Form(" posLocal[0] = %f, posLocal[1] = %f, posLocal[2] = %f ",
+ // posLocal[0],posLocal[1],posLocal[2]));
+
+ // AliDebug(2,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]));
+ break;
+ }
+
+ // if (totStrip>1) AliInfo(Form("total strip number found %2i",totStrip));
+
+ }
+
+ return iStrip;
+
+}
+//_____________________________________________________________________________
+Int_t AliTOFGeometry::GetPadZ(const Float_t * pos)
+{
+ //
+ // Returns the Pad index along Z
+ //
+ //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
+ //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
+ //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
+
+ Int_t iPadZ = -1;
+
+ Float_t posLocal[3];
+ for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
+
+ Int_t isector = GetSector(posLocal);
+ if(isector == -1){
+ //AliError("Detector Index could not be determined");
+ return iPadZ;}
+ Int_t iplate = GetPlate(posLocal);
+ if(iplate == -1){
+ //AliError("Detector Index could not be determined");
+ return iPadZ;}
+ Int_t istrip = GetStrip(posLocal);
+ if(istrip == -1){
+ //AliError("Detector Index could not be determined");
+ return iPadZ;}
+
+ // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
+ Double_t angles[6] =
+ {90., 90.+(isector+0.5)*fgkPhiSec,
+ 0., 0.,
+ 90., (isector+0.5)*fgkPhiSec
+ };
+ Rotation(posLocal,angles);
+
+ Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
+ Translation(posLocal,step);
+
+ // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA = FLTA reference frame
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] =270.;
+
+ Rotation(posLocal,angles);
+
+ // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
+ step[0] = 0.;
+ step[1] = GetHeights(iplate,istrip);
+ step[2] = -GetDistances(iplate,istrip);
+ Translation(posLocal,step);
+
+ if (GetAngles(iplate,istrip) >0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] = GetAngles(iplate,istrip);
+ angles[5] = 90.;
+ }
+ else if (GetAngles(iplate,istrip)==0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.;
+ angles[3] = 90.;
+ angles[4] = 0;
+ angles[5] = 0.;
+ }
+ else if (GetAngles(iplate,istrip) <0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] =-GetAngles(iplate,istrip);
+ angles[5] = 270.;
+ }
+ Rotation(posLocal,angles);
+
+ step[0] =-0.5*kNpadX*fgkXPad;
+ step[1] = 0.;
+ step[2] =-0.5*kNpadZ*fgkZPad;
+ Translation(posLocal,step);
+
+ iPadZ = (Int_t)(posLocal[2]/fgkZPad);
+ if (iPadZ==kNpadZ) iPadZ--;
+ else if (iPadZ>kNpadZ) iPadZ=-1;
+
+ return iPadZ;
+
+}
+//_____________________________________________________________________________
+Int_t AliTOFGeometry::GetPadX(const Float_t * pos)
+{
+ //
+ // Returns the Pad index along X
+ //
+ //const Float_t klsensmx = kNpadX*fgkXPad; // length of Sensitive Layer
+ //const Float_t khsensmy = 0.05;//0.11;//0.16;// heigth of Sensitive Layer
+ //const Float_t kwsensmz = kNpadZ*fgkZPad; // width of Sensitive Layer
+
+ Int_t iPadX = -1;
+
+ Float_t posLocal[3];
+ for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
+
+ Int_t isector = GetSector(posLocal);
+ if(isector == -1){
+ //AliError("Detector Index could not be determined");
+ return iPadX;}
+ Int_t iplate = GetPlate(posLocal);
+ if(iplate == -1){
+ //AliError("Detector Index could not be determined");
+ return iPadX;}
+ Int_t istrip = GetStrip(posLocal);
+ if(istrip == -1){
+ //AliError("Detector Index could not be determined");
+ return iPadX;}
+
+ // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
+ Double_t angles[6] =
+ {90., 90.+(isector+0.5)*fgkPhiSec,
+ 0., 0.,
+ 90., (isector+0.5)*fgkPhiSec
+ };
+ Rotation(posLocal,angles);
+
+ Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
+ Translation(posLocal,step);
+
+ // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] =270.;
+
+ Rotation(posLocal,angles);
+
+ // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
+ step[0] = 0.;
+ step[1] = GetHeights(iplate,istrip);
+ step[2] = -GetDistances(iplate,istrip);
+ Translation(posLocal,step);
+
+ if (GetAngles(iplate,istrip) >0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] = GetAngles(iplate,istrip);
+ angles[5] = 90.;
+ }
+ else if (GetAngles(iplate,istrip)==0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.;
+ angles[3] = 90.;
+ angles[4] = 0;
+ angles[5] = 0.;
+ }
+ else if (GetAngles(iplate,istrip) <0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] =-GetAngles(iplate,istrip);
+ angles[5] = 270.;
+ }
+ Rotation(posLocal,angles);
+
+ step[0] =-0.5*kNpadX*fgkXPad;
+ step[1] = 0.;
+ step[2] =-0.5*kNpadZ*fgkZPad;
+ Translation(posLocal,step);
+
+ iPadX = (Int_t)(posLocal[0]/fgkXPad);
+ if (iPadX==kNpadX) iPadX--;
+ else if (iPadX>kNpadX) iPadX=-1;
+
+ return iPadX;
+
+}
+//_____________________________________________________________________________
+Float_t AliTOFGeometry::GetX(const Int_t * det)
{
//
// Returns X coordinate (cm)
Int_t ipadz = det[3];
Int_t ipadx = det[4];
+ /*
// Find out distance d on the plane wrt median phi:
- Float_t d = (ipadx+0.5)*fgkXPad-(kNpadX*fgkXPad)*0.5;
+ Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
// The radius r in xy plane:
- Float_t r = (fgkRmin+fgkRmax)/2.+fHeights[iplate][istrip]+
- (ipadz-0.5)*fgkZPad*TMath::Sin(fAngles[iplate][istrip]/kRaddeg)-0.25;
+ //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
+ // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
+ Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
+ (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
// local azimuthal angle in the sector philoc
- Float_t philoc = TMath:: ATan(d/r);
+ Float_t philoc = TMath::ATan(d/r);
+ //if(philoc<0.) philoc = k2PI + philoc;
// azimuthal angle in the global frame phi
- Float_t phi = philoc*kRaddeg+(isector+0.5 )*fPhiSec;
+ Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
+
+ Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
+ */
+
+ // Pad reference frame -> FSTR reference frame
+ Float_t posLocal[3] = {0., 0., 0.};
+ Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
+ Translation(posLocal,step);
+
+ step[0] = kNpadX*0.5*fgkXPad;
+ step[1] = 0.;
+ step[2] = kNpadZ*0.5*fgkZPad;
+ /*
+ Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
+ Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
+ */
+ Translation(posLocal,step);
+
+ // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
+ Double_t angles[6] = {0.,0.,0.,0.,0.,0.};
+ if (GetAngles(iplate,istrip) >0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] = GetAngles(iplate,istrip);
+ angles[5] = 90.;
+ }
+ else if (GetAngles(iplate,istrip)==0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.;
+ angles[3] = 90.;
+ angles[4] = 0;
+ angles[5] = 0.;
+ }
+ else if (GetAngles(iplate,istrip) <0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] =-GetAngles(iplate,istrip);
+ angles[5] = 270.;
+ }
+
+ InverseRotation(posLocal,angles);
+
+ step[0] = 0.;
+ step[1] = -GetHeights(iplate,istrip);
+ step[2] = GetDistances(iplate,istrip);
+ Translation(posLocal,step);
+
+ // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] =270.;
+
+ InverseRotation(posLocal,angles);
+
+ // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
+ step[0] = 0.;
+ step[1] = 0.;
+ step[2] = -((fgkRmax+fgkRmin)*0.5);
+ Translation(posLocal,step);
+
+ angles[0] = 90.;
+ angles[1] = 90.+(isector+0.5)*fgkPhiSec;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] = (isector+0.5)*fgkPhiSec;
+
+ InverseRotation(posLocal,angles);
+
+ Float_t xCoor = posLocal[0];
- Float_t xCoor = r/TMath::Cos(philoc)*TMath::Cos(phi/kRaddeg);
return xCoor;
}
//_____________________________________________________________________________
-Float_t AliTOFGeometry::GetY(Int_t *det)
+Float_t AliTOFGeometry::GetY(const Int_t * det)
{
//
// Returns Y coordinate (cm)
Int_t ipadz = det[3];
Int_t ipadx = det[4];
+ /*
// Find out distance d on the plane wrt median phi:
- Float_t d = (ipadx+0.5)*fgkXPad-(kNpadX*fgkXPad)*0.5;
+ Float_t d = (ipadx+0.5-kNpadX*0.5)*fgkXPad;
// The radius r in xy plane:
- Float_t r = (fgkRmin+fgkRmax)/2.+fHeights[iplate][istrip]+
- (ipadz-0.5)*fgkZPad*TMath::Sin(fAngles[iplate][istrip]/kRaddeg)-0.25;
+ //Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
+ // (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg)-0.25; ???
+ Float_t r = (fgkRmin+fgkRmax)*0.5-0.01+GetHeights(iplate,istrip)+
+ (ipadz-0.5)*fgkZPad*TMath::Sin(GetAngles(iplate,istrip)/kRaddeg);
// local azimuthal angle in the sector philoc
- Float_t philoc = TMath:: ATan(d/r);
+ Float_t philoc = TMath::ATan(d/r);
+ //if(philoc<0.) philoc = k2PI + philoc;
// azimuthal angle in the global frame phi
- Float_t phi = philoc*kRaddeg+(isector+0.5 )*fPhiSec;
+ Float_t phi = philoc*kRaddeg+(isector+0.5)*fgkPhiSec;
+
+ Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
+ */
+
+ // Pad reference frame -> FSTR reference frame
+ Float_t posLocal[3] = {0., 0., 0.};
+ Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
+ Translation(posLocal,step);
+
+ step[0] = kNpadX*0.5*fgkXPad;
+ step[1] = 0.;
+ step[2] = kNpadZ*0.5*fgkZPad;
+ /*
+ Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
+ Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
+ */
+ Translation(posLocal,step);
+
+ // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
+
+ Double_t angles[6] = {0.,0.,0.,0.,0.,0.};
+ if (GetAngles(iplate,istrip) >0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] = GetAngles(iplate,istrip);
+ angles[5] = 90.;
+ }
+ else if (GetAngles(iplate,istrip)==0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.;
+ angles[3] = 90.;
+ angles[4] = 0;
+ angles[5] = 0.;
+ }
+ else if (GetAngles(iplate,istrip) <0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] =-GetAngles(iplate,istrip);
+ angles[5] = 270.;
+ }
+
+ InverseRotation(posLocal,angles);
+
+ step[0] = 0.;
+ step[1] = -GetHeights(iplate,istrip);
+ step[2] = GetDistances(iplate,istrip);
+ Translation(posLocal,step);
+
+ // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] =270.;
+
+ InverseRotation(posLocal,angles);
+
+ // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
+ step[0] = 0.;
+ step[1] = 0.;
+ step[2] = -((fgkRmax+fgkRmin)*0.5);
+ Translation(posLocal,step);
+
+ angles[0] = 90.;
+ angles[1] = 90.+(isector+0.5)*fgkPhiSec;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] = (isector+0.5)*fgkPhiSec;
+
+ InverseRotation(posLocal,angles);
+
+ Float_t yCoor = posLocal[1];
- Float_t yCoor = r/TMath::Cos(philoc)*TMath::Sin(phi/kRaddeg);
return yCoor;
}
//_____________________________________________________________________________
-Float_t AliTOFGeometry::GetZ(Int_t *det)
+Float_t AliTOFGeometry::GetZ(const Int_t * det)
{
//
// Returns Z coordinate (cm)
//
-
+
+ Int_t isector = det[0];
Int_t iplate = det[1];
Int_t istrip = det[2];
Int_t ipadz = det[3];
-
-
- // The radius r in xy plane:
- Float_t r = (fgkRmin+fgkRmax)/2.+fHeights[iplate][istrip];
+ Int_t ipadx = det[4];
+
+ /*
+ Float_t zCoor = GetDistances(iplate,istrip) +
+ (0.5-ipadz) * fgkZPad * TMath::Cos(GetAngles(iplate,istrip)*kDegrad);
+ */
+
+ // Pad reference frame -> FSTR reference frame
+ Float_t posLocal[3] = {0., 0., 0.};
+ Float_t step[3] = {-(ipadx+0.5)*fgkXPad, 0., -(ipadz+0.5)*fgkZPad};
+ Translation(posLocal,step);
+
+ step[0] = kNpadX*0.5*fgkXPad;
+ step[1] = 0.;
+ step[2] = kNpadZ*0.5*fgkZPad;
+ /*
+ Float_t posLocal[3] = {(ipadx+0.5)*fgkXPad, 0., (ipadz+0.5)*fgkZPad};
+ Float_t step[3]= {kNpadX*0.5*fgkXPad, 0., kNpadZ*0.5*fgkZPad};
+ */
+ Translation(posLocal,step);
+
+ // FSTR reference frame -> FTOA/B/C = FLTA/B/C reference frame
+ Double_t angles[6] = {0.,0.,0.,0.,0.,0.};
+ if (GetAngles(iplate,istrip) >0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] = GetAngles(iplate,istrip);
+ angles[5] = 90.;
+ }
+ else if (GetAngles(iplate,istrip)==0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.;
+ angles[3] = 90.;
+ angles[4] = 0;
+ angles[5] = 0.;
+ }
+ else if (GetAngles(iplate,istrip) <0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] =-GetAngles(iplate,istrip);
+ angles[5] = 270.;
+ }
+
+ InverseRotation(posLocal,angles);
+
+ step[0] = 0.;
+ step[1] = -GetHeights(iplate,istrip);
+ step[2] = GetDistances(iplate,istrip);
+ Translation(posLocal,step);
+
+ // FTOA = FLTA reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] =270.;
+
+ InverseRotation(posLocal,angles);
+
+ // B071/B074/B075 = BTO1/2/3 reference frame -> ALICE reference frame
+ step[0] = 0.;
+ step[1] = 0.;
+ step[2] = -((fgkRmax+fgkRmin)*0.5);
+ Translation(posLocal,step);
+
+ angles[0] = 90.;
+ angles[1] = 90.+(isector+0.5)*fgkPhiSec;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] = (isector+0.5)*fgkPhiSec;
+
+ InverseRotation(posLocal,angles);
+
+ Float_t zCoor = posLocal[2];
- Float_t zCoor = r*TMath::Tan(0.5*TMath::Pi()-GetStripTheta(iplate,istrip))-
- (ipadz-0.5)*fgkZPad*TMath::Cos(fAngles[iplate][istrip]/kRaddeg);
return zCoor;
}
//_____________________________________________________________________________
-Int_t AliTOFGeometry::GetSector(Float_t *pos)
+
+void AliTOFGeometry::DetToSectorRF(Int_t vol[5], Double_t coord[4][3])
{
//
- // Returns the Sector index
+ // Returns the local coordinates (x, y, z) in sector reference frame
+ // for the 4 corners of each sector pad (vol[1], vol[2], vol[3], vol[4])
//
- Int_t iSect = -1;
+ if (!gGeoManager) printf("ERROR: no TGeo\n");
- Float_t x = pos[0];
- Float_t y = pos[1];
+ // ALICE -> TOF Sector
+ Char_t path1[200];
+ GetVolumePath(vol[0],path1);
+ gGeoManager->cd(path1);
+ TGeoHMatrix aliceToSector;
+ aliceToSector = *gGeoManager->GetCurrentMatrix();
- Float_t phi = TMath::ATan2(y,x);
- if(phi<0.) phi=2.*TMath::Pi()+phi;
- iSect = (Int_t) (phi*kRaddeg/fPhiSec);
+ // TOF Sector -> ALICE
+ //TGeoHMatrix sectorToALICE = aliceToSector.Inverse();
- return iSect;
+ // ALICE -> TOF Pad
+ Char_t path2[200];
+ GetVolumePath(vol,path2);
+ gGeoManager->cd(path2);
+ TGeoHMatrix aliceToPad;
+ aliceToPad = *gGeoManager->GetCurrentMatrix();
+
+ // TOF Pad -> ALICE
+ TGeoHMatrix padToALICE = aliceToPad.Inverse();
+
+ // TOF Pad -> TOF Sector
+ TGeoHMatrix padToSector = padToALICE*aliceToSector;
+
+ // TOF Sector -> TOF Pad
+ //TGeoHMatrix sectorToPad = sectorToALICE*aliceToPad;
+
+ // coordinates of the pad bottom corner
+ Double_t **cornerPad = new Double_t*[4];
+ for (Int_t ii=0; ii<4; ii++) cornerPad[ii] = new Double_t[3];
+
+ cornerPad[0][0] = -fgkXPad/2.;
+ cornerPad[0][1] = 0.;
+ cornerPad[0][2] = -fgkZPad/2.;
+
+ cornerPad[1][0] = fgkXPad/2.;
+ cornerPad[1][1] = 0.;
+ cornerPad[1][2] = -fgkZPad/2.;
+
+ cornerPad[2][0] = fgkXPad/2.;
+ cornerPad[2][1] = 0.;
+ cornerPad[2][2] = fgkZPad/2.;
+
+ cornerPad[3][0] = -fgkXPad/2.;
+ cornerPad[3][1] = 0.;
+ cornerPad[3][2] = fgkZPad/2.;
+
+ for(Int_t aa=0; aa<4; aa++) for(Int_t bb=0; bb<3; bb++) coord[aa][bb]=0.;
+
+ for (Int_t jj=0; jj<4; jj++) padToSector.MasterToLocal(&cornerPad[jj][0], &coord[jj][0]);
+
+ delete [] cornerPad;
+
+ //sectorToPad.LocalToMaster(cornerPad, coord);
}
//_____________________________________________________________________________
-Int_t AliTOFGeometry::GetPadX(Float_t *pos)
+Float_t AliTOFGeometry::GetPadDx(const Float_t * pos)
{
//
- // Returns the Pad index along X
+ // Returns the x coordinate in the Pad reference frame
//
- Int_t iPadX = -1;
+ Float_t xpad = -2.;
- Float_t x = pos[0];
- Float_t y = pos[1];
- Float_t z = pos[2];
-
- Int_t isector = GetSector(pos);
- if(isector == -1){
- cout << "Detector Index could not be determined" << endl;
- return iPadX;}
- Int_t iplate = GetPlate(pos);
- if(iplate == -1){
- cout << "Detector Index could not be determined" << endl;
- return iPadX;}
- Int_t istrip = GetStrip(pos);
+ Float_t posLocal[3];
+ for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
+
+ Int_t isector = GetSector(posLocal);
+ if(isector == -1){
+ //AliError("Detector Index could not be determined");
+ return xpad;}
+ Int_t iplate = GetPlate(posLocal);
+ if(iplate == -1){
+ //AliError("Detector Index could not be determined");
+ return xpad;}
+ Int_t istrip = GetStrip(posLocal);
if(istrip == -1){
- cout << "Detector Index could not be determined" << endl;
- return iPadX;}
-
+ //AliError("Detector Index could not be determined");
+ return xpad;}
+ Int_t ipadz = GetPadZ(posLocal);
+ if(ipadz == -1){
+ //AliError("Detector Index could not be determined");
+ return xpad;}
+ Int_t ipadx = GetPadX(posLocal);
+ if(ipadx == -1){
+ //AliError("Detector Index could not be determined");
+ return xpad;}
+
+ // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
+ Double_t angles[6] =
+ {90., 90.+(isector+0.5)*fgkPhiSec,
+ 0., 0.,
+ 90., (isector+0.5)*fgkPhiSec
+ };
+ Rotation(posLocal,angles);
+
+ Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
+ Translation(posLocal,step);
+
+ // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] =270.;
+
+ Rotation(posLocal,angles);
+
+ // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
+ step[0] = 0.;
+ step[1] = GetHeights(iplate,istrip);
+ step[2] = -GetDistances(iplate,istrip);
+ Translation(posLocal,step);
+
+ if (GetAngles(iplate,istrip) >0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] = GetAngles(iplate,istrip);
+ angles[5] = 90.;
+ }
+ else if (GetAngles(iplate,istrip)==0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.;
+ angles[3] = 90.;
+ angles[4] = 0;
+ angles[5] = 0.;
+ }
+ else if (GetAngles(iplate,istrip) <0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] =-GetAngles(iplate,istrip);
+ angles[5] = 270.;
+ }
+ Rotation(posLocal,angles);
- Float_t rho=TMath::Sqrt(x*x+y*y);
- Float_t phi = TMath::ATan2(y,x);
- if(phi<0.) phi=2.*TMath::Pi()+phi;
-
- // Get the local angle in the sector philoc
- Float_t philoc = phi*kRaddeg-(isector+0.5)*fPhiSec;
- philoc*=TMath::Pi()/180.;
- // theta projected on the median of the sector
- Float_t theta = TMath::ATan2(rho*TMath::Cos(philoc),z);
- // The radius r in xy plane:
- Float_t r = (fgkRmin+fgkRmax)/2.+fHeights[iplate][istrip]+
- (theta-GetStripTheta(iplate, istrip))/
- (GetMaxStripTheta(iplate, istrip)-GetMinStripTheta(iplate, istrip))
- * 2.*fgkZPad*TMath::Sin(fAngles[iplate][istrip]/kRaddeg)-0.25;
+ step[0] =-0.5*kNpadX*fgkXPad;
+ step[1] = 0.;
+ step[2] =-0.5*kNpadZ*fgkZPad;
+ Translation(posLocal,step);
- // Find out distance projected onto the strip plane
- Float_t d = (r*TMath::Tan(philoc)+(kNpadX*fgkXPad)*0.5);
+ step[0] = (ipadx+0.5)*fgkXPad;
+ step[1] = 0.;
+ step[2] = (ipadz+0.5)*fgkZPad;
+ Translation(posLocal,step);
+
+ xpad=posLocal[0];
- iPadX = (Int_t) ( d/fgkXPad);
- return iPadX;
+ return xpad;
}
//_____________________________________________________________________________
-Int_t AliTOFGeometry::GetPlate(Float_t *pos)
+Float_t AliTOFGeometry::GetPadDy(const Float_t * pos)
{
//
- // Returns the Plate index
+ // Returns the y coordinate in the Pad reference frame
//
- Int_t iPlate=-1;
-
- Int_t isector = GetSector(pos);
- if(isector == -1){
- cout << "Detector Index could not be determined" << endl;
- return iPlate;}
-
- Float_t x = pos[0];
- Float_t y = pos[1];
- Float_t z = pos[2];
- Float_t rho=TMath::Sqrt(x*x+y*y);
- Float_t phi=TMath::ATan2(y,x);
- if(phi<0) phi=2.*TMath::Pi()+phi;
- // Get the local angle in the sector philoc
- Float_t philoc = phi*kRaddeg-(isector+0.5)*fPhiSec;
- philoc*=TMath::Pi()/180.;
- // theta projected on the median of the sector
- Float_t theta=TMath::ATan2(rho*TMath::Cos(philoc),z);
+ Float_t ypad = -2.;
- for (Int_t i=0; i<kNPlates; i++){
- if ( GetMaxPlateTheta(i) >= theta &&
- GetMinPlateTheta(i) <= theta)iPlate=i;
+ Float_t posLocal[3];
+ for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
+
+ Int_t isector = GetSector(posLocal);
+ if(isector == -1){
+ //AliError("Detector Index could not be determined");
+ return ypad;}
+ Int_t iplate = GetPlate(posLocal);
+ if(iplate == -1){
+ //AliError("Detector Index could not be determined");
+ return ypad;}
+ Int_t istrip = GetStrip(posLocal);
+ if(istrip == -1){
+ //AliError("Detector Index could not be determined");
+ return ypad;}
+ Int_t ipadz = GetPadZ(posLocal);
+ if(ipadz == -1){
+ //AliError("Detector Index could not be determined");
+ return ypad;}
+ Int_t ipadx = GetPadX(posLocal);
+ if(ipadx == -1){
+ //AliError("Detector Index could not be determined");
+ return ypad;}
+
+ // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
+ Double_t angles[6] =
+ {90., 90.+(isector+0.5)*fgkPhiSec,
+ 0., 0.,
+ 90., (isector+0.5)*fgkPhiSec
+ };
+ Rotation(posLocal,angles);
+
+ Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
+ Translation(posLocal,step);
+
+ // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] =270.;
+
+ Rotation(posLocal,angles);
+
+ // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
+ step[0] = 0.;
+ step[1] = GetHeights(iplate,istrip);
+ step[2] = -GetDistances(iplate,istrip);
+ Translation(posLocal,step);
+
+ if (GetAngles(iplate,istrip) >0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] = GetAngles(iplate,istrip);
+ angles[5] = 90.;
+ }
+ else if (GetAngles(iplate,istrip)==0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.;
+ angles[3] = 90.;
+ angles[4] = 0;
+ angles[5] = 0.;
+ }
+ else if (GetAngles(iplate,istrip) <0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] =-GetAngles(iplate,istrip);
+ angles[5] = 270.;
}
+ Rotation(posLocal,angles);
+
+ step[0] =-0.5*kNpadX*fgkXPad;
+ step[1] = 0.;
+ step[2] =-0.5*kNpadZ*fgkZPad;
+ Translation(posLocal,step);
- return iPlate;
+ step[0] = (ipadx+0.5)*fgkXPad;
+ step[1] = 0.;
+ step[2] = (ipadz+0.5)*fgkZPad;
+ Translation(posLocal,step);
+
+ ypad=posLocal[1];
+
+ return ypad;
}
//_____________________________________________________________________________
-Int_t AliTOFGeometry::GetStrip(Float_t *pos)
+Float_t AliTOFGeometry::GetPadDz(const Float_t * pos)
{
//
- // Returns the Strip index
+ // Returns the z coordinate in the Pad reference frame
//
- Int_t iStrip=-1;
+ Float_t zpad = -2.;
+ Float_t posLocal[3];
+ for (Int_t ii=0; ii<3; ii++) posLocal[ii] = pos[ii];
+
+ Int_t isector = GetSector(posLocal);
+ if(isector == -1){
+ //AliError("Detector Index could not be determined");
+ return zpad;}
+ Int_t iplate = GetPlate(posLocal);
+ if(iplate == -1){
+ //AliError("Detector Index could not be determined");
+ return zpad;}
+ Int_t istrip = GetStrip(posLocal);
+ if(istrip == -1){
+ //AliError("Detector Index could not be determined");
+ return zpad;}
+ Int_t ipadz = GetPadZ(posLocal);
+ if(ipadz == -1){
+ //AliError("Detector Index could not be determined");
+ return zpad;}
+ Int_t ipadx = GetPadX(posLocal);
+ if(ipadx == -1){
+ //AliError("Detector Index could not be determined");
+ return zpad;}
+
+ // ALICE reference frame -> B071/B074/B075 = BTO1/2/3 reference frame
+ Double_t angles[6] =
+ {90., 90.+(isector+0.5)*fgkPhiSec,
+ 0., 0.,
+ 90., (isector+0.5)*fgkPhiSec
+ };
+ Rotation(posLocal,angles);
+
+ Float_t step[3] = {0., 0., (fgkRmax+fgkRmin)*0.5};
+ Translation(posLocal,step);
+
+ // B071/B074/B075 = BTO1/2/3 reference frame -> FTOA/B/C = FLTA/B/C reference frame
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 0.;
+ angles[3] = 0.;
+ angles[4] = 90.;
+ angles[5] =270.;
+
+ Rotation(posLocal,angles);
+
+ // FTOA/B/C = FLTA/B/C reference frame -> FSTR reference frame
+ step[0] = 0.;
+ step[1] = GetHeights(iplate,istrip);
+ step[2] = -GetDistances(iplate,istrip);
+ Translation(posLocal,step);
+
+ if (GetAngles(iplate,istrip) >0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] = GetAngles(iplate,istrip);
+ angles[5] = 90.;
+ }
+ else if (GetAngles(iplate,istrip)==0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.;
+ angles[3] = 90.;
+ angles[4] = 0;
+ angles[5] = 0.;
+ }
+ else if (GetAngles(iplate,istrip) <0.) {
+ angles[0] = 90.;
+ angles[1] = 0.;
+ angles[2] = 90.+GetAngles(iplate,istrip);
+ angles[3] = 90.;
+ angles[4] =-GetAngles(iplate,istrip);
+ angles[5] = 270.;
+ }
+ Rotation(posLocal,angles);
- Int_t isector = GetSector(pos);
- if(isector == -1){
- cout << "Detector Index could not be determined" << endl;
- return iStrip;}
- Int_t iplate = GetPlate(pos);
- if(iplate == -1){
- cout << "Detector Index could not be determined" << endl;
- return iStrip;}
+ step[0] =-0.5*kNpadX*fgkXPad;
+ step[1] = 0.;
+ step[2] =-0.5*kNpadZ*fgkZPad;
+ Translation(posLocal,step);
+
+ step[0] = (ipadx+0.5)*fgkXPad;
+ step[1] = 0.;
+ step[2] = (ipadz+0.5)*fgkZPad;
+ Translation(posLocal,step);
+ zpad=posLocal[2];
- Float_t x = pos[0];
- Float_t y = pos[1];
- Float_t z = pos[2];
+ return zpad;
- Int_t nstrips=0;
- if(iplate==0 || iplate == 4)nstrips=kNStripC;
- if(iplate==1 || iplate == 3)nstrips=kNStripB;
- if(iplate==2) nstrips=kNStripA;
-
- Float_t rho=TMath::Sqrt(x*x+y*y);
- Float_t phi=TMath::ATan2(y,x);
- if(phi<0) phi=2.*TMath::Pi()+phi;
- // Get the local angle in the sector philoc
- Float_t philoc = phi*kRaddeg-(isector+0.5)*fPhiSec;
- philoc*=TMath::Pi()/180.;
- // theta projected on the median of the sector
- Float_t theta=TMath::ATan2(rho*TMath::Cos(philoc),z);
+}
+//_____________________________________________________________________________
- for (Int_t istrip=0; istrip<nstrips; istrip++){
+void AliTOFGeometry::Translation(Float_t *xyz, Float_t translationVector[3])
+{
+ //
+ // Return the vector xyz translated by translationVector vector
+ //
- if(
- GetMaxStripTheta(iplate,istrip) >= theta
- &&
- GetMinStripTheta(iplate,istrip) <= theta ) iStrip = istrip;
-
- }
+ Int_t ii=0;
+
+ for (ii=0; ii<3; ii++)
+ xyz[ii] -= translationVector[ii];
+
+ return;
- return iStrip;
}
//_____________________________________________________________________________
-Int_t AliTOFGeometry::GetPadZ(Float_t *pos)
+
+void AliTOFGeometry::Rotation(Float_t *xyz, Double_t rotationAngles[6])
{
//
- // Returns the Pad index along Z
+ // Return the vector xyz rotated according to the rotationAngles angles
//
- Int_t iPadZ = -1;
- Int_t isector = GetSector(pos);
- if(isector == -1){
- cout << "Detector Index could not be determined" << endl;
- return iPadZ;}
- Int_t iplate = GetPlate(pos);
- if(iplate == -1){
- cout << "Detector Index could not be determined" << endl;
- return iPadZ;}
- Int_t istrip = GetStrip(pos);
- if(istrip == -1){
- cout << "Detector Index could not be determined" << endl;
- return iPadZ;}
+ Int_t ii=0;
+ /*
+ TRotMatrix *matrix = new TRotMatrix("matrix","matrix", angles[0], angles[1],
+ angles[2], angles[3],
+ angles[4], angles[5]);
+ */
+ for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
- Float_t x = pos[0];
- Float_t y = pos[1];
- Float_t z = pos[2];
+ Float_t xyzDummy[3] = {0., 0., 0.};
- Float_t rho=TMath::Sqrt(x*x+y*y);
- Float_t phi=TMath::ATan2(y,x);
- if(phi<0) phi=2.*TMath::Pi()+phi;
- Float_t philoc = phi*kRaddeg-(isector+0.5)*fPhiSec;
- philoc*=TMath::Pi()/180.;
- Float_t theta=TMath::ATan2(rho*TMath::Cos(philoc),z);
+ for (ii=0; ii<3; ii++) {
+ xyzDummy[ii] =
+ xyz[0]*TMath::Sin(rotationAngles[2*ii])*TMath::Cos(rotationAngles[2*ii+1]) +
+ xyz[1]*TMath::Sin(rotationAngles[2*ii])*TMath::Sin(rotationAngles[2*ii+1]) +
+ xyz[2]*TMath::Cos(rotationAngles[2*ii]);
+ }
- if (theta >= GetStripTheta(iplate, istrip))iPadZ=1;
- else iPadZ=0;
+ for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
+
+ return;
- return iPadZ;
}
//_____________________________________________________________________________
-Float_t AliTOFGeometry::GetMinPlateTheta(Int_t iPlate)
+void AliTOFGeometry::InverseRotation(Float_t *xyz, Double_t rotationAngles[6])
{
//
- // Returns the minimum theta angle of a given plate iPlate (rad)
+ // Rotates the vector xyz acordint to the rotationAngles
//
+
+ Int_t ii=0;
+
+ for (ii=0; ii<6; ii++) rotationAngles[ii]*=kDegrad;
+
+ Float_t xyzDummy[3] = {0., 0., 0.};
+
+ xyzDummy[0] =
+ xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Cos(rotationAngles[1]) +
+ xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Cos(rotationAngles[3]) +
+ xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Cos(rotationAngles[5]);
+ xyzDummy[1] =
+ xyz[0]*TMath::Sin(rotationAngles[0])*TMath::Sin(rotationAngles[1]) +
+ xyz[1]*TMath::Sin(rotationAngles[2])*TMath::Sin(rotationAngles[3]) +
+ xyz[2]*TMath::Sin(rotationAngles[4])*TMath::Sin(rotationAngles[5]);
+
+ xyzDummy[2] =
+ xyz[0]*TMath::Cos(rotationAngles[0]) +
+ xyz[1]*TMath::Cos(rotationAngles[2]) +
+ xyz[2]*TMath::Cos(rotationAngles[4]);
+
+ for (ii=0; ii<3; ii++) xyz[ii]=xyzDummy[ii];
- Int_t index=0;
+ return;
- Float_t delta =0.;
- if(iPlate==0)delta = -1. ;
- if(iPlate==1)delta = -0.5;
- if(iPlate==3)delta = +0.5;
- if(iPlate==4)delta = +1. ;
+}
+//_____________________________________________________________________________
- Float_t z=(fgkRmin+2.)*TMath::Tan(fAngles[iPlate][index]/kRaddeg)+delta;
- Float_t r=(fgkRmin+fgkRmax)/2.+fHeights[iPlate][index];
- z =z+fgkZPad*TMath::Cos(fAngles[iPlate][index]/kRaddeg);
- r =r-fgkZPad*TMath::Sin(fAngles[iPlate][index]/kRaddeg);
+Int_t AliTOFGeometry::GetIndex(const Int_t * detId)
+{
+ //Retrieve calibration channel index
+ Int_t isector = detId[0];
+ if (isector >= kNSectors){
+ printf("Wrong sector number in TOF (%d) !\n",isector);
+ return -1;
+ }
+ Int_t iplate = detId[1];
+ if (iplate >= kNPlates){
+ printf("Wrong plate number in TOF (%d) !\n",iplate);
+ return -1;
+ }
+ Int_t istrip = detId[2];
+ Int_t stripOffset = GetStripNumberPerSM(iplate,istrip);
+ if (stripOffset==-1) {
+ printf("Wrong strip number per SM in TOF (%d) !\n",stripOffset);
+ return -1;
+ }
- Float_t thmin = 0.5*TMath::Pi()-TMath::ATan(z/r)-fgkDprecMin;
- return thmin;
+ Int_t ipadz = detId[3];
+ Int_t ipadx = detId[4];
+ Int_t idet = ((2*(kNStripC+kNStripB)+kNStripA)*kNpadZ*kNpadX)*isector +
+ (stripOffset*kNpadZ*kNpadX)+
+ (kNpadX)*ipadz+
+ ipadx;
+ return idet;
}
//_____________________________________________________________________________
-Float_t AliTOFGeometry::GetMaxPlateTheta(Int_t iPlate)
+
+void AliTOFGeometry::GetVolumeIndices(Int_t index, Int_t *detId)
{
//
- // Returns the maximum theta angle of a given plate iPlate (rad)
-
- Int_t index=0;
- if(iPlate==0 ||iPlate == 4)index=kNStripC-1;
- if(iPlate==1 ||iPlate == 3)index=kNStripB-1;
- if(iPlate==2) index=kNStripA-1;
+ // Retrieve volume indices from the calibration channel index
+ //
+
+ detId[0] = index/NpadXStrip()/NStripXSector();
- Float_t delta =0.;
- if(iPlate==0)delta = -1. ;
- if(iPlate==1)delta = -0.5;
- if(iPlate==3)delta = +0.5;
- if(iPlate==4)delta = +1. ;
+ Int_t dummyStripPerModule =
+ ( index - ( NStripXSector()*NpadXStrip()*detId[0]) ) / NpadXStrip();
+ if (dummyStripPerModule<kNStripC) {
+ detId[1] = 0;
+ detId[2] = dummyStripPerModule;
+ }
+ else if (dummyStripPerModule>=kNStripC && dummyStripPerModule<kNStripC+kNStripB) {
+ detId[1] = 1;
+ detId[2] = dummyStripPerModule-kNStripC;
+ }
+ else if (dummyStripPerModule>=kNStripC+kNStripB && dummyStripPerModule<kNStripC+kNStripB+kNStripA) {
+ detId[1] = 2;
+ detId[2] = dummyStripPerModule-kNStripC-kNStripB;
+ }
+ else if (dummyStripPerModule>=kNStripC+kNStripB+kNStripA && dummyStripPerModule<kNStripC+kNStripB+kNStripA+kNStripB) {
+ detId[1] = 3;
+ detId[2] = dummyStripPerModule-kNStripC-kNStripB-kNStripA;
+ }
+ else if (dummyStripPerModule>=kNStripC+kNStripB+kNStripA+kNStripB && dummyStripPerModule<NStripXSector()) {
+ detId[1] = 4;
+ detId[2] = dummyStripPerModule-kNStripC-kNStripB-kNStripA-kNStripB;
+ }
- Float_t z=(fgkRmin+2.)*TMath::Tan(fAngles[iPlate][index]/kRaddeg)+delta;
- Float_t r=(fgkRmin+fgkRmax)/2.+fHeights[iPlate][index];
- z =z-fgkZPad*TMath::Cos(fAngles[iPlate][index]/kRaddeg);
- r= r+fgkZPad*TMath::Sin(fAngles[iPlate][index]/kRaddeg);
+ Int_t padPerStrip = ( index - ( NStripXSector()*NpadXStrip()*detId[0]) ) - dummyStripPerModule*NpadXStrip();
- Float_t thmax = 0.5*TMath::Pi()-TMath::ATan(z/r)+fgkDprecMax;
- return thmax;
+ detId[3] = padPerStrip / kNpadX; // padZ
+ detId[4] = padPerStrip - detId[3]*kNpadX; // padX
}
//_____________________________________________________________________________
-Float_t AliTOFGeometry::GetMaxStripTheta(Int_t iPlate, Int_t iStrip)
+
+Int_t AliTOFGeometry::NStrip(Int_t nPlate)
{
//
- // Returns the maximum theta angle of a given strip iStrip (rad)
+ // Returns the strips number for the plate number 'nPlate'
//
-
- Float_t delta =0.;
- if(iPlate==0)delta = -1. ;
- if(iPlate==1)delta = -0.5;
- if(iPlate==3)delta = +0.5;
- if(iPlate==4)delta = +1. ;
+ Int_t nStrips = kNStripC;
+
+ switch(nPlate) {
+ case 2:
+ nStrips = kNStripA;
+ break;
+ case 1:
+ case 3:
+ nStrips = kNStripB;
+ break;
+ case 0:
+ case 4:
+ default:
+ nStrips = kNStripC;
+ break;
+ }
- Float_t r =(fgkRmin+fgkRmax)/2.+fHeights[iPlate][iStrip];
- Float_t z =(fgkRmin+2.)*TMath::Tan(fAngles[iPlate][iStrip]/kRaddeg)+delta;
- z = z-fgkZPad*TMath::Cos(fAngles[iPlate][iStrip]/kRaddeg);
- r = r+fgkZPad*TMath::Sin(fAngles[iPlate][iStrip]/kRaddeg);
- Float_t thmax =0.5*TMath::Pi()-TMath::ATan(z/r)+fgkDprecMax;
- return thmax;
+ return nStrips;
}
+//-------------------------------------------------------------------------
-//_____________________________________________________________________________
-Float_t AliTOFGeometry::GetMinStripTheta(Int_t iPlate, Int_t iStrip)
+UShort_t AliTOFGeometry::GetAliSensVolIndex(Int_t isector, Int_t iplate, Int_t istrip)
{
//
- // Returns the minimum theta angle of a given Strip iStrip (rad)
+ // Get the index of the TOF alignable volume in the AliGeomManager order.
//
-
- Float_t delta =0.;
- if(iPlate==0)delta = -1. ;
- if(iPlate==1)delta = -0.5;
- if(iPlate==3)delta = +0.5;
- if(iPlate==4)delta = +1. ;
+ Int_t index = GetStripNumber(isector, iplate, istrip);
+ UShort_t volIndex = AliGeomManager::LayerToVolUID(AliGeomManager::kTOF,index);
- Float_t r =(fgkRmin+fgkRmax)/2.+fHeights[iPlate][iStrip];
- Float_t z =(fgkRmin+2.)*TMath::Tan(fAngles[iPlate][iStrip]/kRaddeg)+delta;
- z =z+fgkZPad*TMath::Cos(fAngles[iPlate][iStrip]/kRaddeg);
- r =r-fgkZPad*TMath::Sin(fAngles[iPlate][iStrip]/kRaddeg);
- Float_t thmin =0.5*TMath::Pi()-TMath::ATan(z/r)-fgkDprecMin;
+ return volIndex;
- return thmin;
+}
+//-------------------------------------------------------------------------
+
+Int_t AliTOFGeometry::GetStripNumber(Int_t isector, Int_t iplate, Int_t istrip)
+{
+ //
+ // Get the serial number of the TOF strip number istrip [0,14/18],
+ // in the module number iplate [0,4],
+ // in the TOF SM number isector [0,17].
+ // This number will range in [0,1637].
+ //
+
+ Bool_t check = (isector >= kNSectors);
+
+ if (check)
+ printf("E-AliTOFGeometry::GetStripNumber: Wrong sector number in TOF (%d)!\n",isector);
+
+ Int_t index = -1;
+ Int_t stripInSM = GetStripNumberPerSM(iplate, istrip);
+ if (!check && stripInSM!=-1)
+ index = (2*(kNStripC+kNStripB)+kNStripA)*isector + stripInSM;
+
+ return index;
}
+//-------------------------------------------------------------------------
+void AliTOFGeometry::GetStripAndModule(Int_t iStripPerSM, Int_t &iplate, Int_t &istrip)
+{
+ //
+ // Convert the serial number of the TOF strip number iStripPerSM [0,90]
+ // in module number iplate [0,4] and strip number istrip [0,14/18].
+ //
-//_____________________________________________________________________________
-Float_t AliTOFGeometry::GetStripTheta(Int_t iPlate, Int_t iStrip)
+ if (iStripPerSM<0 || iStripPerSM>=kNStripC+kNStripB+kNStripA+kNStripB+kNStripC) {
+ iplate = -1;
+ istrip = -1;
+ }
+ else if (iStripPerSM<kNStripC) {
+ iplate = 0;
+ istrip = iStripPerSM;
+ }
+ else if (iStripPerSM>=kNStripC && iStripPerSM<kNStripC+kNStripB) {
+ iplate = 1;
+ istrip = iStripPerSM-kNStripC;
+ }
+ else if (iStripPerSM>=kNStripC+kNStripB && iStripPerSM<kNStripC+kNStripB+kNStripA) {
+ iplate = 2;
+ istrip = iStripPerSM-kNStripC-kNStripB;
+ }
+ else if (iStripPerSM>=kNStripC+kNStripB+kNStripA && iStripPerSM<kNStripC+kNStripB+kNStripA+kNStripB) {
+ iplate = 3;
+ istrip = iStripPerSM-kNStripC-kNStripB-kNStripA;
+ }
+ else if (iStripPerSM>=kNStripC+kNStripB+kNStripA+kNStripB && iStripPerSM<kNStripC+kNStripB+kNStripA+kNStripB+kNStripC) {
+ iplate = 4;
+ istrip = iStripPerSM-kNStripC-kNStripB-kNStripA-kNStripB;
+ }
+
+
+}
+//-------------------------------------------------------------------------
+
+Int_t AliTOFGeometry::GetStripNumberPerSM(Int_t iplate, Int_t istrip)
{
//
- // returns the median theta angle of a given strip iStrip (rad)
+ // Get the serial number of the TOF strip number istrip [0,14/18],
+ // in the module number iplate [0,4].
+ // This number will range in [0,90].
//
-
- Float_t delta =0.;
- if(iPlate==0)delta = -1. ;
- if(iPlate==1)delta = -0.5;
- if(iPlate==3)delta = +0.5;
- if(iPlate==4)delta = +1. ;
+ Int_t index = -1;
+
+ Bool_t check = (
+ (iplate<0 || iplate>=kNPlates)
+ ||
+ (
+ (iplate==2 && (istrip<0 || istrip>=kNStripA))
+ ||
+ (iplate!=2 && (istrip<0 || istrip>=kNStripC))
+ )
+ );
+
+ if (iplate<0 || iplate>=kNPlates)
+ printf("E-AliTOFGeometry::GetStripNumberPerSM: Wrong plate number in TOF (%1d)!\n",iplate);
+
+ if (
+ (iplate==2 && (istrip<0 || istrip>=kNStripA))
+ ||
+ (iplate!=2 && (istrip<0 || istrip>=kNStripC))
+ )
+ printf("E-AliTOFGeometry::GetStripNumberPerSM: Wrong strip number in TOF "
+ "(strip=%2d in the plate=%1d)!\n",istrip,iplate);
+
+ Int_t stripOffset = 0;
+ switch (iplate) {
+ case 0:
+ stripOffset = 0;
+ break;
+ case 1:
+ stripOffset = kNStripC;
+ break;
+ case 2:
+ stripOffset = kNStripC+kNStripB;
+ break;
+ case 3:
+ stripOffset = kNStripC+kNStripB+kNStripA;
+ break;
+ case 4:
+ stripOffset = kNStripC+kNStripB+kNStripA+kNStripB;
+ break;
+ };
+
+ if (!check) index = stripOffset + istrip;
+
+ return index;
+
+}
+//-------------------------------------------------------------------------
+
+void AliTOFGeometry::PadRF2TrackingRF(Float_t *ctrackPos, Float_t *differenceT)
+{
+ //
+ // To convert the 3D distance ctrackPos, referred to the ALICE RF,
+ // into the 3D distance differenceT, referred to the tracking RF
+ // in case ctrakPos belongs to a TOF sensitive volume.
+ //
+
+ for (Int_t ii=0; ii<3; ii++) differenceT[ii] = 999.;
+
+ AliDebug(1,Form(" track position in ALICE global Ref. frame -> %f, %f, %f",
+ ctrackPos[0],ctrackPos[1],ctrackPos[2]));
- Float_t r =(fgkRmin+fgkRmax)/2.+fHeights[iPlate][iStrip];
- Float_t z =(fgkRmin+2.)*TMath::Tan(fAngles[iPlate][iStrip]/kRaddeg)+delta;
- Float_t theta =0.5*TMath::Pi()-TMath::ATan(z/r);
- if(iPlate != 2){
- if(theta > 0.5*TMath::Pi() )theta+=fgkDprecCen;
- if(theta < 0.5*TMath::Pi() )theta-=fgkDprecCen;
+ Int_t detId[5] = {-1,-1,-1,-1,-1};
+
+ detId[0] = GetSector(ctrackPos);
+ if (detId[0]==-1) {
+ AliWarning(Form("This point does not belong to any TOF sector"));
+ return;
+ }
+
+ detId[1] = GetPlate(ctrackPos);
+ if (detId[1]==-1) {
+ AliWarning(Form("This point does not belong to any TOF module"));
+ return;
+ }
+
+ detId[2] = GetStrip(ctrackPos);
+ if (detId[2]==-1) {
+ AliWarning(Form("This point does not belong to any TOF strip"));
+ return;
+ }
+
+ detId[3] = GetPadZ(ctrackPos);
+ if (detId[3]==-1) {
+ AliWarning(Form("This point does not belong to any TOF pad-row"));
+ return;
}
- return theta;
+
+ detId[4] = GetPadX(ctrackPos);
+ if (detId[4]==-1) {
+ AliWarning(Form("This point does not belong to any TOF pad"));
+ return;
+ }
+
+
+ UShort_t alignableStripIndex =
+ GetAliSensVolIndex(detId[0],detId[1],detId[2]);
+ AliDebug(1,Form(" sector = %2d, plate = %1d, strip = %2d (padZ = %1d, padX = %2d) "
+ "---> stripIndex = %4d",
+ detId[0], detId[1], detId[2], detId[3], detId[4], alignableStripIndex));
+
+ // pad centre coordinates in the strip ref. frame
+ Double_t padCentreL[3] = {(detId[4]-AliTOFGeometry::NpadX()/2)*AliTOFGeometry::XPad()
+ +AliTOFGeometry::XPad()/2.,
+ 0.,
+ (detId[3]-AliTOFGeometry::NpadZ()/2)*AliTOFGeometry::XPad()
+ +AliTOFGeometry::XPad()/2.};
+ // pad centre coordinates in the strip tracking frame
+ Double_t padCentreT[3] = {0., 0., 0.};
+ TGeoHMatrix l2t = *AliGeomManager::GetTracking2LocalMatrix(alignableStripIndex);
+ l2t.MasterToLocal(padCentreL,padCentreT);
+
+
+ Char_t path[200];
+ // pad centre coordinates in its ref. frame
+ Double_t padCentreL2[3] = {0., 0., 0.};
+ // pad centre coordinates in the ALICE global ref. frame
+ Double_t padCentreG[3] = {0., 0., 0.};
+ GetVolumePath(detId,path);
+ gGeoManager->cd(path);
+ TGeoHMatrix g2l = *gGeoManager->GetCurrentMatrix();
+ TGeoHMatrix l2g = g2l.Inverse();
+ l2g.MasterToLocal(padCentreL2,padCentreG);
+
+
+ Char_t path2[200];
+ // strip centre coordinates in its ref. frame
+ Double_t stripCentreL[3] = {0., 0., 0.};
+ // strip centre coordinates in the ALICE global ref. frame
+ Double_t stripCentreG[3] = {0., 0., 0.};
+ GetVolumePath(detId[0],detId[1],detId[2],path2);
+ gGeoManager->cd(path2);
+ TGeoHMatrix g2lb = *gGeoManager->GetCurrentMatrix();
+ TGeoHMatrix l2gb = g2lb.Inverse();
+ l2gb.MasterToLocal(stripCentreL,stripCentreG);
+
+ TGeoHMatrix g2t = 0;
+ AliGeomManager::GetTrackingMatrix(alignableStripIndex, g2t);
+
+ // track position in the ALICE global ref. frame
+ Double_t posG[3];
+ for (Int_t ii=0; ii<3; ii++) posG[ii] = (Double_t)ctrackPos[ii];
+
+ // strip centre coordinates in the tracking ref. frame
+ Double_t stripCentreT[3] = {0., 0., 0.};
+ // track position in the tracking ref. frame
+ Double_t posT[3] = {0., 0., 0.};
+ g2t.MasterToLocal(posG,posT);
+ g2t.MasterToLocal(stripCentreG,stripCentreT);
+
+ for (Int_t ii=0; ii<3; ii++)
+ AliDebug(1,Form(" track position in ALICE global and tracking RFs -> posG[%d] = %f --- posT[%d] = %f",
+ ii, posG[ii], ii, posT[ii]));
+ for (Int_t ii=0; ii<3; ii++)
+ AliDebug(1,Form(" pad centre coordinates in its, the ALICE global and tracking RFs -> "
+ "padCentreL[%d] = %f --- padCentreG[%d] = %f --- padCentreT[%d] = %f",
+ ii, padCentreL[ii],
+ ii, padCentreG[ii],
+ ii, padCentreT[ii]));
+ for (Int_t ii=0; ii<3; ii++)
+ AliDebug(1,Form(" strip centre coordinates in its, the ALICE global and tracking RFs -> "
+ "stripCentreL[%d] = %f --- stripCentreG[%d] = %f --- stripCentreT[%d] = %f",
+ ii, stripCentreL[ii],
+ ii, stripCentreG[ii],
+ ii, stripCentreT[ii]));
+ for (Int_t ii=0; ii<3; ii++)
+ AliDebug(1,Form(" difference between the track position and the pad centre in the tracking RF "
+ "-> posT[%d]-padCentreT[%d] = %f",
+ ii,ii,
+ posT[ii]-padCentreT[ii]));
+
+ for (Int_t ii=0; ii<3; ii++) differenceT[ii] = (Float_t)(posT[ii]-padCentreT[ii]);
+
}
+//-------------------------------------------------------------------------
+Int_t AliTOFGeometry::GetTOFsupermodule(Int_t index)
+{
+ // Return the TOF supermodule where TOF channel index is located
+ if (index<0 || index>=NPadXSector()*NSectors()) return -1;
+ else return index/NpadXStrip()/NStripXSector();
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff