X-Git-Url: http://git.uio.no/git/?p=u%2Fmrichter%2FAliRoot.git;a=blobdiff_plain;f=TOF%2FAliTOFGeometry.cxx;h=a60a3d330777ca8a78eef827f0b894f0ff419dca;hp=e9ff5a7aafed6d5f0f1ddf622df8437e468e408a;hb=c2aad3ae1100f4f7bc489afceea36a03dfce5163;hpb=58eb5b6109800b34cf992ba3a654fdd974e96f5c diff --git a/TOF/AliTOFGeometry.cxx b/TOF/AliTOFGeometry.cxx index e9ff5a7aafe..a60a3d33077 100644 --- a/TOF/AliTOFGeometry.cxx +++ b/TOF/AliTOFGeometry.cxx @@ -15,62 +15,253 @@ /* $Log$ +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 1.2 2003/12/29 17:26:01 hristov +Using enum to initaialize static ints in the header file, the initialization of static floats moved to the implementation file + 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 0.05 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 -#include /////////////////////////////////////////////////////////////////////////////// // // // 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) -static const Int_t 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) -static const Float_t fgkRmin = 370.; // Inner radius of the TOF (cm) -static const Float_t fgkRmax = 399; // Outer radius of the TOF (cm) -static const Float_t fgkZlenA = 106.0;// length (cm) of the A module -static const Float_t fgkZlenB = 141.0;// length (cm) of the B module -static const Float_t fgkZlenC = 177.5;// length (cm) of the C module -static const Float_t fgkXPad = 2.5; // Pad size in the x direction (cm) -static const Float_t fgkZPad = 3.5; // Pad size in the z direction (cm) -static const Float_t 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) -static const Float_t fgkSigmaForTail1= 2.;//Sig1 for simulation of TDC tails -static const Float_t fgkSigmaForTail2= 0.5;//Sig2 for simulation of TDC tails -static const Float_t fgkSpeedOfLight = 0.299792458;// c (10^9 m/s) -static const Float_t fgkPionMass = 0.13957;// pion mass (Gev/c^2) -static const Float_t fgkKaonMass = 0.49368;// kaon mass (Gev/c^2) -static const Float_t fgkProtonMass = 0.93827;// proton mass (Gev/c^2) -static const Float_t fgkElectronMass = 0.00051;// electron mass (Gev/c^2) -static const Float_t fgkMuonMass = 0.10566;// muon mass (Gev/c^2) +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 -static const Float_t fgkDprecMin = 0.0000075;//num.prec.tolerance on Thmin -static const Float_t fgkDprecMax = 0.0000100;//num.prec.tolerance on Thma -static const Float_t fgkDprecCen = 0.0000005;//num.prec.tolerance on +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}, + + {-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(); } @@ -80,71 +271,342 @@ AliTOFGeometry::~AliTOFGeometry() // // AliTOFGeometry destructor // +} +//_____________________________________________________________________________ +void AliTOFGeometry::ImportGeometry(){ + TGeoManager::Import("geometry.root"); +} +//_____________________________________________________________________________ +void AliTOFGeometry::GetPosPar(Int_t *det, Float_t *pos) +{ +// +// Returns space point coor (x,y,z) (cm) for Detector +// Indices (iSect,iPlate,iStrip,iPadX,iPadZ) +// + + 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) + + det[0]=GetSector(pos); + det[1]=GetPlate(pos); + det[2]=GetStrip(pos); + det[3]=GetPadZ(pos); + det[4]=GetPadX(pos); + } //_____________________________________________________________________________ -void AliTOFGeometry::Init() + +void AliTOFGeometry::DetToStripRF(Int_t nPadX, Int_t nPadZ, Float_t &x, Float_t &z) const { // - // Initialize strip Tilt Angles and Heights + // Returns the local coordinates (x, z) in strip reference frame + // for the bottom corner of the pad number (nPadX, nPadZ) // - // Strips Tilt Angles - - const Float_t angles[fgkNPlates][fgkMaxNstrip] ={ + /* + const Float_t xCenterStrip = kNpadX * fgkXPad / 2.; + const Float_t zCenterStrip = kNpadZ * fgkZPad / 2.; - {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 }, + const Float_t xCenterPad = nPadX*fgkXPad + fgkXPad / 2.; + const Float_t zCenterPad = nPadZ*fgkZPad + fgkZPad / 2.; - {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 }, + x = xCenterPad - xCenterStrip; + z = zCenterPad - zCenterStrip; + */ - { 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. }, - - {-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 }}; + + x = (nPadX - kNpadX*0.5) * fgkXPad; + z = (nPadZ - kNpadZ*0.5) * fgkZPad; - //Strips Heights +} +//_____________________________________________________________________________ +Float_t AliTOFGeometry::DistanceToPadPar(Int_t *det, const Float_t * pos, Float_t *dist3d) const +{ +// +// Returns distance of space point with coor pos (x,y,z) (cm) wrt +// pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ) +// + + //Transform pos into Sector Frame - const Float_t heights[fgkNPlates][fgkMaxNstrip]= { + Float_t x = pos[0]; + Float_t y = pos[1]; + Float_t z = pos[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.}, + Float_t radius = TMath::Sqrt(x*x+y*y); + //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/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]; + GetPosPar(det,g); + + Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]); + //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/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]; - { -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 }, + //Now move to local pad coordinate frame. Translate: - { -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. }, + Float_t xt = xs-padxs; + Float_t yt = ys-padys; + Float_t zt = zs-padzs; + //Now Rotate: - {-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 }}; + 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 zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg); + Float_t dist = TMath::Sqrt(xr*xr+yr*yr+zr*zr); - // Deposit in fAngles, fHeights + if (dist3d){ + dist3d[0] = xr; + dist3d[1] = yr; + dist3d[2] = zr; + } - for (Int_t iplate = 0; iplate < fgkNPlates; iplate++) { - for (Int_t istrip = 0; istrip < fgkMaxNstrip; istrip++) { - fAngles[iplate][istrip] = angles[iplate][istrip]; - fHeights[iplate][istrip] = heights[iplate][istrip]; - } + return dist; + +} +//_____________________________________________________________________________ +Bool_t AliTOFGeometry::IsInsideThePadPar(Int_t *det, const Float_t * pos) const +{ +// +// Returns true if space point with coor pos (x,y,z) (cm) falls +// inside pad with Detector Indices idet (iSect,iPlate,iStrip,iPadX,iPadZ) +// + + 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 y = pos[1]; + Float_t z = pos[2]; + + Float_t radius = TMath::Sqrt(x*x+y*y); + 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/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]; + GetPosPar(det,g); + + Float_t padRadius = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]); + 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/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 zr = -xt*TMath::Sin(alpha/kRaddeg)+zt*TMath::Cos(alpha/kRaddeg); + + 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) const +{ + // + // 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); - fPhiSec = 360./fgkNSectors; } +//_____________________________________________________________________________ +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) { @@ -152,29 +614,466 @@ 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; istrip0.) { + 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) @@ -186,25 +1085,106 @@ Float_t AliTOFGeometry::GetX(Int_t *det) 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-(fgkNpadX*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) @@ -216,356 +1196,1015 @@ Float_t AliTOFGeometry::GetY(Int_t *det) 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-(fgkNpadX*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)+(fgkNpadX*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= 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=fgkNStripC; - if(iplate==1 || iplate == 3)nstrips=fgkNStripB; - if(iplate==2) nstrips=fgkNStripA; - - 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= 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.}; + + 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]); + } - 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++) xyz[ii]=xyzDummy[ii]; - if (theta >= GetStripTheta(iplate, istrip))iPadZ=1; - else iPadZ=0; + 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=fgkNStripC-1; - if(iPlate==1 ||iPlate == 3)index=fgkNStripB-1; - if(iPlate==2) index=fgkNStripA-1; + // Retrieve volume indices from the calibration channel index + // - 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. ; + detId[0] = index/NpadXStrip()/NStripXSector(); + + Int_t dummyStripPerModule = + ( index - ( NStripXSector()*NpadXStrip()*detId[0]) ) / NpadXStrip(); + if (dummyStripPerModule=kNStripC && dummyStripPerModule=kNStripC+kNStripB && dummyStripPerModule=kNStripC+kNStripB+kNStripA && dummyStripPerModule=kNStripC+kNStripB+kNStripA+kNStripB && dummyStripPerModule= kNSectors); - 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; + if (check) + printf("E-AliTOFGeometry::GetStripNumber: Wrong sector number in TOF (%d)!\n",isector); - return thmin; + 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 && iStripPerSM=kNStripC+kNStripB && iStripPerSM=kNStripC+kNStripB+kNStripA && iStripPerSM=kNStripC+kNStripB+kNStripA+kNStripB && iStripPerSM=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(); +}