X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=EMCAL%2FAliEMCALGeometry.cxx;h=a3f0d1fa139c5701f74d506e9e6fcea90cbfe81d;hb=470f88b061e782567f0fad9e15f48804e7076df0;hp=a36fb8d538bf00e5a92c2bc3c98bb22a54a82ef2;hpb=7b9182d827908a3c43839f272418970402eb03be;p=u%2Fmrichter%2FAliRoot.git diff --git a/EMCAL/AliEMCALGeometry.cxx b/EMCAL/AliEMCALGeometry.cxx index a36fb8d538b..a3f0d1fa139 100644 --- a/EMCAL/AliEMCALGeometry.cxx +++ b/EMCAL/AliEMCALGeometry.cxx @@ -18,205 +18,105 @@ //_________________________________________________________________________ // Geometry class for EMCAL : singleton // EMCAL consists of layers of scintillator and lead +// with scintillator fiber arranged as "shish-kebab" skewers // Places the the Barrel Geometry of The EMCAL at Midrapidity -// between 0 and 120 degrees of Phi and +// between 80 and 180(or 190) degrees of Phi and // -0.7 to 0.7 in eta -// Number of Modules and Layers may be controlled by -// the name of the instance defined -// EMCALArch2x has more modules along both phi and eta -// EMCALArchxa has less Layers in the Radial Direction +// +// EMCAL geometry tree: +// EMCAL -> superModule -> module -> tower(cell) +// Indexes +// absId -> nSupMod -> nModule -> (nIphi,nIeta) +// +// Name choices: +// EMCAL_PDC06 (geometry used for PDC06 simulations, kept for backward compatibility) +// = equivalent to SHISH_77_TRD1_2X2_FINAL_110DEG in old notation +// EMCAL_COMPLETE (geometry for expected complete detector) +// = equivalent to SHISH_77_TRD1_2X2_FINAL_110DEG scTh=0.176 pbTh=0.144 +// in old notation +// EMCAL_WSUC (Wayne State test stand) +// = no definite equivalent in old notation, was only used by +// Aleksei, but kept for testing purposes +// +// etc. +// +// +// //*-- Author: Sahal Yacoob (LBL / UCT) // and : Yves Schutz (SUBATECH) // and : Jennifer Klay (LBL) +// and : Aleksei Pavlinov (WSU) +// -// --- ROOT system --- - -// --- Standard library --- -#include - -// --- AliRoot header files --- -#include -#include +//--- Root header files --- +#include #include +//-- ALICE Headers. +#include "AliLog.h" -// -- ALICE Headers. -#include "AliConst.h" - -// --- EMCAL headers +// // --- EMCAL headers #include "AliEMCALGeometry.h" - -ClassImp(AliEMCALGeometry); - -AliEMCALGeometry *AliEMCALGeometry::fgGeom = 0; -Bool_t AliEMCALGeometry::fgInit = kFALSE; - -//______________________________________________________________________ -AliEMCALGeometry::~AliEMCALGeometry(void){ - // dtor +#include "AliEMCALShishKebabTrd1Module.h" +#include "AliEMCALRecPoint.h" +//#include "AliEMCALHistoUtilities.h" + +ClassImp(AliEMCALGeometry) + +// these initialisations are needed for a singleton +AliEMCALGeometry *AliEMCALGeometry::fgGeom = 0; +const Char_t* AliEMCALGeometry::fgkDefaultGeometryName = "EMCAL_COMPLETE"; +// +// Usage: +// You can create the AliEMCALGeometry object independently from anything. +// You have to use just the correct name of geometry. If name is empty string the +// default name of geometry will be used. +// +// AliEMCALGeometry* g = AliEMCALGeometry::GetInstance(name,title); // first time +// .. +// g = AliEMCALGeometry::GetInstance(); // after first time +// +// MC: If you work with MC data you have to get geometry the next way: +// == ============================= +// AliRunLoader *rl = AliRunLoader::Instance(); +// AliEMCALGeometry *geom = dynamic_cast(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry(); +// TGeoManager::Import("geometry.root"); + +AliEMCALGeometry::AliEMCALGeometry() + : AliEMCALGeoUtils() +{ + // default ctor only for internal usage (singleton) + // must be kept public for root persistency purposes, + // but should never be called by the outside world + + AliDebug(2, "AliEMCALGeometry : default ctor "); } +//______________________________________________________________________ +AliEMCALGeometry::AliEMCALGeometry(const Text_t* name, const Text_t* title) + : AliEMCALGeoUtils(name, title) +{ + // ctor only for internal usage (singleton) + AliDebug(2, Form("AliEMCALGeometry(%s,%s) ", name,title)); +} //______________________________________________________________________ -const Bool_t AliEMCALGeometry::AreInSameTower(Int_t id1, Int_t id2) const { - Int_t idmax = TMath::Max(id1, id2) ; - Int_t idmin = TMath::Min(id1, id2) ; - if ( ((idmax - GetNZ() * GetNPhi()) == idmin ) || - ((idmax - 2 * GetNZ() * GetNPhi()) == idmin ) ) - return kTRUE ; - else - return kFALSE ; +AliEMCALGeometry::AliEMCALGeometry(const AliEMCALGeometry& geom) + : AliEMCALGeoUtils(geom) +{ + //copy ctor } //______________________________________________________________________ -void AliEMCALGeometry::Init(void){ - // Initializes the EMCAL parameters - // naming convention : GUV_L_WX_N_YZ_M gives the composition of a tower - // UV inform about the compsition of the pre-shower section: - // thickness in mm of Pb radiator (U) and of scintillator (V), and number of scintillator layers (L) - // WX inform about the composition of the EM calorimeter section: - // thickness in mm of Pb radiator (W) and of scintillator (X), and number of scintillator layers (N) - // YZ inform about the composition of the hadron calorimeter section: - // thickness in mm of Cu radiator (Y) and of scintillator (Z), and number of scintillator layers (M) - // Valid geometries are G56_2_55_19_104_14 - // G56_2_55_19 or EMCAL_5655_21 - // G65_2_64_19 or EMCAL_6564_21 - - fgInit = kFALSE; // Assume failer untill proven otherwise. - TString name(GetName()) ; - - if ( name == "G56_2_55_19_104_14" ) { - fPRPbRadThickness = 0.5; // cm, Thickness of the Pb radiators for the preshower section - fPRScintThick = 0.6; // cm, Thickness of the sintilator for the preshower section of the tower - fNPRLayers = 2; // number of scintillator layers in the preshower section - - fECPbRadThickness = 0.5; // cm, Thickness of the Pb radiators for the EM calorimeter section - fECScintThick = 0.5; // cm, Thickness of the sintilator for the EM alorimeter section of the tower - fNECLayers = 19; // number of scintillator layers in the EM calorimeter section - - fHCCuRadThickness = 1.0; // cm, Thickness of the Cu radiators. - fHCScintThick = 0.4; // cm, Thickness of the sintilator for the hadronic alorimeter section of the tower - fNHCLayers = 14; // number of scintillator layers in the hadronic calorimeter section - - fSampling = 11.3 ; - fSummationFraction = 0.8 ; - - fAlFrontThick = 3.0; // cm, Thickness of front Al layer - fGap2Active = 1.0; // cm, Gap between Al and 1st Scintillator - } - else if ( name == "G56_2_55_19" || name == "EMCAL_5655_21" ) { - fPRPbRadThickness = 0.5; // cm, Thickness of the Pb radiators for the preshower section - fPRScintThick = 0.6; // cm, Thickness of the sintilator for the preshower section of the tower - fNPRLayers = 2; // number of scintillator layers in the preshower section - - fECPbRadThickness = 0.5; // cm, Thickness of the Pb radiators for the EM calorimeter section - fECScintThick = 0.5; // cm, Thickness of the sintilator for the EM alorimeter section of the tower - fNECLayers = 19; // number of scintillator layers in the EM calorimeter section - - fHCCuRadThickness = 0.0; // cm, Thickness of the Cu radiators. - fHCScintThick = 0.0; // cm, Thickness of the sintilator for the hadronic alorimeter section of the tower - fNHCLayers = 0; // number of scintillator layers in the hadronic calorimeter section - - fSampling = 11.3 ; - fSummationFraction = 0.8 ; - - fAlFrontThick = 3.0; // cm, Thickness of front Al layer - fGap2Active = 1.0; // cm, Gap between Al and 1st Scintillator - } - else if ( name == "G65_2_64_19" || name == "EMCAL_6564_21" ) { - fPRPbRadThickness = 0.6; // cm, Thickness of the Pb radiators for the preshower section - fPRScintThick = 0.5; // cm, Thickness of the sintilator for the preshower section of the tower - fNPRLayers = 2; // number of scintillator layers in the preshower section - - fECPbRadThickness = 0.6; // cm, Thickness of the Pb radiators for the EM calorimeter section - fECScintThick = 0.4; // cm, Thickness of the sintilator for the EM alorimeter section of the tower - fNECLayers = 19; // number of scintillator layers in the EM calorimeter section - - fHCCuRadThickness = 0.0; // cm, Thickness of the Cu radiators. - fHCScintThick = 0.0; // cm, Thickness of the sintilator for the hadronic alorimeter section of the tower - fNHCLayers = 0; // number of scintillator layers in the hadronic calorimeter section - - fSampling = 16. ; - fSummationFraction = 0.8 ; - - fAlFrontThick = 3.0; // cm, Thickness of front Al layer - fGap2Active = 1.0; // cm, Gap between Al and 1st Scintillator - } - else - Fatal("Init", "%s is an undefined geometry!", name.Data()) ; - - // if( name != "EMCALArch1a" && -// name != "EMCALArch1b" && -// name != "EMCALArch2a" && -// name != "EMCALArch2b" && -// name != "EMCALArch1aN" ){ -// Fatal("Init", "%s is not a known geometry (choose among EMCALArch1a, EMCALArch1b, EMCALArch2a and EMCALArch2b, EMCALArch1aN)", name.Data()) ; -// } // end if -// // -// if ( name == "EMCALArch1a" || -// name == "EMCALArch1b" || -// name == "EMCALArch1aN") { -// fNZ = 96; -// fNPhi = 144; -// } // end if -// if ( name == "EMCALArch2a" || -// name == "EMCALArch2b" ) { -// fNZ = 112; -// fNPhi = 168; -// } // end if -// if ( name == "EMCALArch1a" || -// name == "EMCALArch2a" ) { -// fNPRLayers = 2; -// fNECLayers = 19; -// fNHCLayers = 0; -// } // end if -// if ( name == "EMCALArch1b" || -// name == "EMCALArch2b" ) { -// fNPRLayers = 2; -// fNECLayers = 23; -// fNHCLayers = 0; -// } // end if -// if ( name == "EMCALArch1aN") { -// fNPRLayers = 2; -// fNECLayers = 19; -// fNHCLayers = 14; -// } - - // geometry - fNZ = 96; // granularity along Z (eta) - fNPhi = 144; // granularity in phi (azimuth) - fArm1PhiMin = 60.0; // degrees, Starting EMCAL Phi position - fArm1PhiMax = 180.0; // degrees, Ending EMCAL Phi position - fArm1EtaMin = -0.7; // pseudorapidity, Starting EMCAL Eta position - fArm1EtaMax = +0.7; // pseudorapidity, Ending EMCAL Eta position - - fIPDistance = 454.0; // cm, Radial distance to inner surface of EMCAL - fShellThickness = fAlFrontThick + fGap2Active + 2.*(GetPRScintThick() + GetPRPbRadThick()) + // pre shower - (fNECLayers-1)*(GetECScintThick()+ GetECPbRadThick()) + // E cal -1 because the last element is a scintillator - fNHCLayers*(GetHCScintThick()+ GetHCCuRadThick()) + // H cal - GetHCScintThick() ; // last scintillator - fZLength = 2.*ZFromEtaR(fIPDistance+fShellThickness,fArm1EtaMax); // Z coverage - fEnvelop[0] = fIPDistance; // mother volume inner radius - fEnvelop[1] = fIPDistance + fShellThickness; // mother volume outer r. - fEnvelop[2] = 1.00001*fZLength; // add some padding for mother volume. - - fgInit = kTRUE; - - if (gDebug) { - Info("Init", "geometry of EMCAL named %s is as follows:", name.Data()); - printf( "Tower geometry pre-shower: %d x (%f mm Pb, %f mm Sc) \n", GetNPRLayers(), GetPRPbRadThick(), GetPRScintThick() ) ; - printf( " ECAL : %d x (%f mm Pb, %f mm Sc) \n", GetNECLayers(), GetECPbRadThick(), GetECScintThick() ) ; - if ( GetNHCLayers() > 0 ) - printf( " HCAL : %d x (%f mm Pb, %f mm Sc) \n", GetNHCLayers(), GetHCCuRadThick(), GetHCScintThick() ) ; - printf("Granularity: %d in eta and %d in phi\n", GetNZ(), GetNPhi()) ; - printf("Layout: phi = (%f, %f), eta = (%f, %f), y = %f\n", - GetArm1PhiMin(), GetArm1PhiMax(),GetArm1EtaMin(), GetArm1EtaMax(), GetIPDistance() ) ; - } +AliEMCALGeometry::~AliEMCALGeometry(void){ + // dtor } + //______________________________________________________________________ AliEMCALGeometry * AliEMCALGeometry::GetInstance(){ // Returns the pointer of the unique instance - return static_cast( fgGeom ) ; + AliEMCALGeometry * rv = static_cast( fgGeom ); + return rv; } //______________________________________________________________________ @@ -226,352 +126,162 @@ AliEMCALGeometry* AliEMCALGeometry::GetInstance(const Text_t* name, AliEMCALGeometry * rv = 0; if ( fgGeom == 0 ) { - if ( strcmp(name,"") == 0 ) rv = 0; - else { - fgGeom = new AliEMCALGeometry(name, title); - if ( fgInit ) rv = (AliEMCALGeometry * ) fgGeom; - else { - rv = 0; - delete fgGeom; - fgGeom = 0; - } // end if fgInit - } // end if strcmp(name,"") + if ( strcmp(name,"") == 0 ) { // get default geometry + fgGeom = new AliEMCALGeometry(fgkDefaultGeometryName, title); + } else { + fgGeom = new AliEMCALGeometry(name, title); + } // end if strcmp(name,"") + if ( AliEMCALEMCGeometry::fgInit ) rv = (AliEMCALGeometry * ) fgGeom; + else { + rv = 0; + delete fgGeom; + fgGeom = 0; + } // end if fgInit }else{ - if ( strcmp(fgGeom->GetName(), name) != 0 ) { - TString message("\n") ; - message += "current geometry is " ; - message += fgGeom->GetName() ; - message += "\n you cannot call " ; - message += name ; - ::Info("GetGeometry", message.Data() ) ; + if ( strcmp(fgGeom->GetName(), name) != 0) { + printf("\ncurrent geometry is %s : ", fgGeom->GetName()); + printf(" you cannot call %s ",name); }else{ rv = (AliEMCALGeometry *) fgGeom; - } // end if + } // end } // end if fgGeom return rv; } -//______________________________________________________________________ -Int_t AliEMCALGeometry::TowerIndex(Int_t ieta,Int_t iphi) const { - // Returns the tower index number from the based on the Z and Phi - // index numbers. There are 2 times the number of towers to separate - // out the full towers from the pre-showers. - // Inputs: - // Int_t ieta // index allong z axis [1-fNZ] - // Int_t iphi // index allong phi axis [1-fNPhi] - // Int_t where // 1 = PRE section, 0 = EC section, 2 = HC section - // Outputs: - // none. - // Returned - // Int_t index // Tower index number - - if ( (ieta <= 0 || ieta>GetNEta()) || - (iphi <= 0 || iphi>GetNPhi())) - Fatal("TowerIndex", "Unexpected parameters eta = %d phi = %d!", ieta, iphi) ; - - return ( (iphi - 1)*GetNEta() + ieta ); -} - -//______________________________________________________________________ -void AliEMCALGeometry::TowerIndexes(Int_t index,Int_t &ieta,Int_t &iphi, - Int_t &ipre) const { - // Inputs: - // Int_t index // Tower index number [1-i*fNZ*fNPhi] PRE(i=1)/ECAL(i=2)/HCAL(i=3) - // Outputs: - // Int_t ieta // index allong z axis [1-fNZ] - // Int_t iphi // index allong phi axis [1-fNPhi] - // Int_t ipre // 0 = ECAL section, 1 = Pre-shower section, 2 = HCAL section - // Returned - // none. - - - Int_t nindex = 0, itowers = GetNEta() * GetNPhi(); - - if ( IsInPRE(index) ) { // PRE index - nindex = index - itowers; - ipre = 1 ; - } - else if ( IsInECA(index) ) { // ECAL index - nindex = index ; - ipre = 0 ; - } - else if ( IsInHCA(index) ) { // HCAL index - nindex = index - 2*itowers; - ipre = 2 ; +//________________________________________________________________________________________________ +Bool_t AliEMCALGeometry::RelPosCellInSModule(Int_t absId, Double_t distEff, Double_t &xr, Double_t &yr, Double_t &zr) const +{ + // Jul 30, 2007 - taking into account position of shower max + // Look to see what the relative + // position inside a given cell is + // for a recpoint. + // In: + // absId - cell is as in Geant, 0<= absId < fNCells; + // e - cluster energy + // OUT: + // xr,yr,zr - x,y,z coordinates of cell with absId inside SM + + // Shift index taking into account the difference between standard SM + // and SM of half size in phi direction + const Int_t kphiIndexShift = fCentersOfCellsPhiDir.GetSize()/4; // Nov 22, 2006; was 6 for cas 2X2 + static Int_t nSupMod, nModule, nIphi, nIeta, iphi, ieta; + static Int_t iphim, ietam; + static AliEMCALShishKebabTrd1Module *mod = 0; + static TVector2 v; + if(!CheckAbsCellId(absId)) return kFALSE; + + GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta); + GetModulePhiEtaIndexInSModule(nSupMod, nModule, iphim, ietam); + GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi, ieta); + + mod = GetShishKebabModule(ietam); + mod->GetPositionAtCenterCellLine(nIeta, distEff, v); + xr = v.Y() - fParSM[0]; + zr = v.X() - fParSM[2]; + + if(nSupMod<10) { + yr = fCentersOfCellsPhiDir.At(iphi); + } else { + yr = fCentersOfCellsPhiDir.At(iphi + kphiIndexShift); } - else - Fatal("TowerIndexes", "Unexpected Id number!") ; - - if (nindex%GetNZ()) - iphi = nindex / GetNZ() + 1 ; - else - iphi = nindex / GetNZ() ; - ieta = nindex - (iphi - 1) * GetNZ() ; - - if (gDebug==2) - Info("TowerIndexes", "index=%d,%d, ieta=%d, iphi = %d", index, nindex,ieta, iphi) ; - return; - -} + AliDebug(1,Form("absId %i nSupMod %i iphi %i ieta %i xr %f yr %f zr %f ",absId,nSupMod,iphi,ieta,xr,yr,zr)); -//______________________________________________________________________ -void AliEMCALGeometry::EtaPhiFromIndex(Int_t index,Float_t &eta,Float_t &phi) const { - // given the tower index number it returns the based on the eta and phi - // of the tower. - // Inputs: - // Int_t index // Tower index number [1-i*fNZ*fNPhi] PRE(i=1)/ECAL(i=2)/HCAL(i=3) - // Outputs: - // Float_t eta // eta of center of tower in pseudorapidity - // Float_t phi // phi of center of tower in degrees - // Returned - // none. - Int_t ieta, iphi, ipre ; - Float_t deta, dphi ; - - TowerIndexes(index,ieta,iphi,ipre); - - if (gDebug == 2) - Info("EtaPhiFromIndex","index = %d, ieta = %d, iphi = %d", index, ieta, iphi) ; - - deta = (GetArm1EtaMax()-GetArm1EtaMin())/(static_cast(GetNEta())); - eta = GetArm1EtaMin() + ((static_cast(ieta) - 0.5 ))*deta; - - dphi = (GetArm1PhiMax() - GetArm1PhiMin())/(static_cast(GetNPhi())); // in degrees. - phi = GetArm1PhiMin() + dphi*(static_cast(iphi) - 0.5);//iphi range [1-fNphi]. + return kTRUE; } -//______________________________________________________________________ -Int_t AliEMCALGeometry::TowerIndexFromEtaPhi(Float_t eta,Float_t phi) const { - // returns the tower index number based on the eta and phi of the tower. - // Inputs: - // Float_t eta // eta of center of tower in pseudorapidity - // Float_t phi // phi of center of tower in degrees - // Outputs: - // none. - // Returned - // Int_t index // Tower index number [1-fNZ*fNPhi] - - Int_t ieta,iphi; - - ieta = static_cast ( 1 + (static_cast(GetNEta()) * (eta - GetArm1EtaMin()) / (GetArm1EtaMax() - GetArm1EtaMin())) ) ; - - if( ieta <= 0 || ieta > GetNEta() ) { - Error("TowerIndexFromEtaPhi", "Unexpected (eta, phi) = (%f, %f) value, outside of EMCAL!", eta, phi) ; - return -1 ; +//________________________________________________________________________________________________ +Bool_t AliEMCALGeometry::RelPosCellInSModule(Int_t absId, Int_t maxAbsId, Double_t distEff, Double_t &xr, Double_t &yr, Double_t &zr) const +{ + // Jul 31, 2007 - taking into account position of shower max and apply coor2. + // Look to see what the relative + // position inside a given cell is + // for a recpoint. + // In: + // absId - cell is as in Geant, 0<= absId < fNCells; + // maxAbsId - abs id of cell with highest energy + // e - cluster energy + // OUT: + // xr,yr,zr - x,y,z coordinates of cell with absId inside SM + + // Shift index taking into account the difference between standard SM + // and SM of half size in phi direction + const Int_t kphiIndexShift = fCentersOfCellsPhiDir.GetSize()/4; // Nov 22, 2006; was 6 for cas 2X2 + static Int_t nSupMod, nModule, nIphi, nIeta, iphi, ieta; + static Int_t iphim, ietam; + static AliEMCALShishKebabTrd1Module *mod = 0; + static TVector2 v; + + static Int_t nSupModM, nModuleM, nIphiM, nIetaM, iphiM, ietaM; + static Int_t iphimM, ietamM, maxAbsIdCopy=-1; + static AliEMCALShishKebabTrd1Module *modM = 0; + static Double_t distCorr; + + if(!CheckAbsCellId(absId)) return kFALSE; + + GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta); + GetModulePhiEtaIndexInSModule(nSupMod, nModule, iphim, ietam); + GetCellPhiEtaIndexInSModule(nSupMod,nModule,nIphi,nIeta, iphi, ieta); + mod = GetShishKebabModule(ietam); + + if(absId != maxAbsId) { + distCorr = 0.; + if(maxAbsIdCopy != maxAbsId) { + GetCellIndex(maxAbsId, nSupModM, nModuleM, nIphiM, nIetaM); + GetModulePhiEtaIndexInSModule(nSupModM, nModuleM, iphimM, ietamM); + GetCellPhiEtaIndexInSModule(nSupModM,nModuleM,nIphiM,nIetaM, iphiM, ietaM); + modM = GetShishKebabModule(ietamM); // do I need this ? + maxAbsIdCopy = maxAbsId; } - iphi = static_cast ( 1 + (static_cast(GetNPhi()) * (phi - GetArm1PhiMin()) / (GetArm1PhiMax() - GetArm1PhiMin())) ) ; - - if( iphi <= 0 || iphi > GetNPhi() ) { - Error("TowerIndexFromEtaPhi", "Unexpected (eta, phi) = (%f, %f) value, outside of EMCAL!", eta, phi) ; - return -1 ; + if(ietamM !=0) { + distCorr = fEMCGeometry->GetEtaModuleSize()*(ietam-ietamM)/TMath::Tan(modM->GetTheta()); // Stay here + //printf(" distCorr %f | dist %f | ietam %i -> etamM %i\n", distCorr, dist, ietam, ietamM); } + // distEff += distCorr; + } + // Bad resolution in this case, strong bias vs phi + // distEff = 0.0; + mod->GetPositionAtCenterCellLine(nIeta, distEff, v); // Stay here + xr = v.Y() - fParSM[0]; + zr = v.X() - fParSM[2]; + + if(nSupMod<10) { + yr = fCentersOfCellsPhiDir.At(iphi); + } else { + yr = fCentersOfCellsPhiDir.At(iphi + kphiIndexShift); + } + AliDebug(1,Form("absId %i nSupMod %i iphi %i ieta %i xr %f yr %f zr %f ",absId,nSupMod,iphi,ieta,xr,yr,zr)); - return TowerIndex(ieta,iphi); + return kTRUE; } -//______________________________________________________________________ -Int_t AliEMCALGeometry::PreTowerIndexFromEtaPhi(Float_t eta,Float_t phi) const { - // returns the pretower index number based on the eta and phi of the tower. - // Inputs: - // Float_t eta // eta of center of tower in pseudorapidity - // Float_t phi // phi of center of tower in degrees - // Outputs: - // none. - // Returned - // Int_t index // PreTower index number [fNZ*fNPhi-2*fNZ*fNPhi] - - return GetNEta()*GetNPhi()+TowerIndexFromEtaPhi(eta,phi); -} -//______________________________________________________________________ -Bool_t AliEMCALGeometry::AbsToRelNumbering(Int_t AbsId, Int_t *relid) const { - // Converts the absolute numbering into the following array/ - // relid[0] = EMCAL Arm number 1:1 - // relid[1] = 0 ECAL section ; = 1 PRE section; = 2 HCA section - // relid[2] = Row number inside EMCAL - // relid[3] = Column number inside EMCAL - // Input: - // Int_t AbsId // Tower index number [1-2*fNZ*fNPhi] - // Outputs: - // Int_t *relid // array of 5. Discribed above. - Bool_t rv = kTRUE ; - Int_t ieta=0,iphi=0,ipre=0,index=AbsId; - - TowerIndexes(index,ieta,iphi,ipre); - relid[0] = 1; - relid[1] = ipre; - relid[2] = ieta; - relid[3] = iphi; - - return rv; -} +// +// == Shish-kebab cases == +// -//______________________________________________________________________ -void AliEMCALGeometry::PosInAlice(const Int_t *relid, Float_t &theta, Float_t &phi) const + +//____________________________________________________________________________ +void AliEMCALGeometry::GetGlobal(const AliRecPoint* /*rp*/, TVector3& /* vglob */) const { - // Converts the relative numbering into the local EMCAL-module (x, z) - // coordinates - Int_t sect = relid[1]; // PRE/ECAL/HCAL section 1/0/2 - Int_t ieta = relid[2]; // offset along x axis - Int_t iphi = relid[3]; // offset along z axis - Int_t index; - Float_t eta; - - index = TowerIndex(ieta,iphi); - EtaPhiFromIndex(index,eta,phi); - theta = 180.*(2.0*TMath::ATan(TMath::Exp(-eta)))/TMath::Pi(); - - // correct for distance to IP different in PRE/ECAL/HCAL - Float_t d = 0. ; - if (sect == 1) - d = GetIP2PRESection() - GetIPDistance() ; - else if (sect == 0) - d = GetIP2ECASection() - GetIPDistance() ; - else if (sect == 2) - d = GetIP2HCASection() - GetIPDistance() ; - else - Fatal("PosInAlice", "Unexpected tower section!") ; - - Float_t correction = 1 + d/GetIPDistance() ; - Float_t tantheta = TMath::Tan(theta) * correction ; - theta = TMath::ATan(tantheta) * TMath::RadToDeg() ; - if (theta < 0 ) - theta += 180. ; - - return; + AliFatal(Form("Please use GetGlobalEMCAL(recPoint,gpos) instead of GetGlobal!")); } -//______________________________________________________________________ -void AliEMCALGeometry::PosInAlice(const Int_t absid, Float_t &theta, Float_t &phi) const +//_________________________________________________________________________________ +void AliEMCALGeometry::GetGlobalEMCAL(const AliEMCALRecPoint *rp, TVector3 &vglob) const { - // Converts the relative numbering into the local EMCAL-module (x, z) - // coordinates - - Int_t relid[4] ; - AbsToRelNumbering(absid, relid) ; - Int_t ieta = relid[2]; // offset along x axis - Int_t iphi = relid[3]; // offset along z axis - Int_t index; - Float_t eta; - - index = TowerIndex(ieta,iphi); - EtaPhiFromIndex(index,eta,phi); - theta = 2.0*TMath::ATan(TMath::Exp(-eta)) ; - - // correct for distance to IP different in PRE/ECAL/HCAL - Float_t d = 0. ; - if (IsInPRE(absid)) - d = GetIP2PRESection() - GetIPDistance() ; - else if (IsInECA(absid)) - d = GetIP2ECASection() - GetIPDistance() ; - else if (IsInHCA(absid)) - d = GetIP2HCASection() - GetIPDistance() ; - else - Fatal("PosInAlice", "Unexpected id # %d!", absid) ; - - Float_t correction = 1 + d/GetIPDistance() ; - Float_t tantheta = TMath::Tan(theta) * correction ; - theta = TMath::ATan(tantheta) * TMath::RadToDeg() ; - if (theta < 0 ) - theta += 180. ; - - return; -} + // Figure out the global numbering + // of a given supermodule from the + // local numbering for RecPoints -//______________________________________________________________________ -void AliEMCALGeometry::XYZFromIndex(const Int_t *relid,Float_t &x,Float_t &y, Float_t &z) const { - // given the tower relative number it returns the X, Y and Z - // of the tower. - - // Outputs: - // Float_t x // x of center of tower in cm - // Float_t y // y of center of tower in cm - // Float_t z // z of centre of tower in cm - // Returned - // none. - - Float_t eta,theta, phi,cyl_radius=0. ; - - Int_t ieta = relid[2]; // offset along x axis - Int_t iphi = relid[3]; // offset along z axis - Int_t ipre = relid[1]; // indicates 0 ECAL section, 1 PRE section, 2 HCAL section. - Int_t index; - - index = TowerIndex(ieta,iphi); - EtaPhiFromIndex(index,eta,phi); - theta = 180.*(2.0*TMath::ATan(TMath::Exp(-eta)))/TMath::Pi(); - - if ( ipre == 0 ) - cyl_radius = GetIP2ECASection() ; - else if ( ipre == 1 ) - cyl_radius = GetIP2PRESection() ; - else if ( ipre == 2 ) - cyl_radius = GetIP2HCASection() ; - else - Fatal("XYZFromIndex", "Unexpected Tower section # %d", ipre) ; - - Double_t kDeg2Rad = TMath::DegToRad() ; - x = cyl_radius * TMath::Cos(phi * kDeg2Rad ) ; - y = cyl_radius * TMath::Sin(phi * kDeg2Rad ) ; - z = cyl_radius / TMath::Tan(theta * kDeg2Rad ) ; - - return; -} + static TVector3 vloc; + static Int_t nSupMod, nModule, nIphi, nIeta; -//______________________________________________________________________ -void AliEMCALGeometry::XYZFromIndex(const Int_t absid, TVector3 &v) const { - // given the tower relative number it returns the X, Y and Z - // of the tower. - - // Outputs: - // Float_t x // x of center of tower in cm - // Float_t y // y of center of tower in cm - // Float_t z // z of centre of tower in cm - // Returned - // none. - - Float_t theta, phi,cyl_radius=0. ; - - PosInAlice(absid, theta, phi) ; - - if ( IsInECA(absid) ) - cyl_radius = GetIP2ECASection() ; - else if ( IsInPRE(absid) ) - cyl_radius = GetIP2PRESection() ; - else if ( IsInHCA(absid) ) - cyl_radius = GetIP2HCASection() ; - else - Fatal("XYZFromIndex", "Unexpected Tower section") ; - - Double_t kDeg2Rad = TMath::DegToRad() ; - v.SetX(cyl_radius * TMath::Cos(phi * kDeg2Rad ) ); - v.SetY(cyl_radius * TMath::Sin(phi * kDeg2Rad ) ); - v.SetZ(cyl_radius / TMath::Tan(theta * kDeg2Rad ) ) ; - - return; -} + const AliEMCALRecPoint *rpTmp = rp; + const AliEMCALRecPoint *rpEmc = rpTmp; -//______________________________________________________________________ -/* -Boot_t AliEMCALGeometry::AreNeighbours(Int_t index1,Int_t index2) const { - // Returns kTRUE if the two towers are neighbours or not, including - // diagonals. Both indexes are required to be either towers or preshower. - // Inputs: - // Int_t index1 // index of tower 1 - // Int_t index2 // index of tower 2 - // Outputs: - // none. - // Returned - // Boot_t kTRUE if the towers are neighbours otherwise false. - Boot_t anb = kFALSE; - Int_t ieta1 = 0, ieta2 = 0, iphi1 = 0, iphi2 = 0, ipre1 = 0, ipre2 = 0; - - TowerIndexes(index1,ieta1,iphi1,ipre1); - TowerIndexes(index2,ieta2,iphi2,ipre2); - if(ipre1!=ipre2) return anb; - if((ieta1>=ieta2-1 && ieta1<=ieta2+1) && (iphi1>=iphi2-1 &&iphi1<=iphi2+1)) - anb = kTRUE; - return anb; + GetCellIndex(rpEmc->GetAbsId(0), nSupMod, nModule, nIphi, nIeta); + rpTmp->GetLocalPosition(vloc); + GetGlobal(vloc, vglob, nSupMod); } - */ +