#include "TRotation.h"
#include "TParticle.h"
#include <TGeoManager.h>
+#include <TGeoMatrix.h>
// --- Standard library ---
//____________________________________________________________________________
AliPHOSGeometry::AliPHOSGeometry() :
- fNModules(0),
+ AliPHOSGeoUtils(),
fAngle(0.f),
fPHOSAngle(0),
fIPtoUpperCPVsurface(0),
- fRotMatrixArray(0),
- fGeometryEMCA(0),
- fGeometryCPV(0),
- fGeometrySUPP(0)
+ fCrystalShift(0),
+ fCryCellShift(0),
+ fRotMatrixArray(0)
{
// default ctor
// must be kept public for root persistency purposes, but should never be called by the outside world
fgGeom = 0 ;
+
+ fPHOSParams[0] = 0.;
+ fPHOSParams[1] = 0.;
+ fPHOSParams[2] = 0.;
+ fPHOSParams[3] = 0.;
}
//____________________________________________________________________________
AliPHOSGeometry::AliPHOSGeometry(const AliPHOSGeometry & rhs)
- : AliGeometry(rhs),
- fNModules(rhs.fNModules),
+ : AliPHOSGeoUtils(rhs),
fAngle(rhs.fAngle),
fPHOSAngle(0),
fIPtoUpperCPVsurface(rhs.fIPtoUpperCPVsurface),
- fRotMatrixArray(0),
- fGeometryEMCA(0),
- fGeometryCPV(0),
- fGeometrySUPP(0)
+ fCrystalShift(rhs.fCrystalShift),
+ fCryCellShift(rhs.fCryCellShift),
+ fRotMatrixArray(0)
{
Fatal("cpy ctor", "not implemented") ;
}
//____________________________________________________________________________
AliPHOSGeometry::AliPHOSGeometry(const Text_t* name, const Text_t* title)
- : AliGeometry(name, title),
- fNModules(0),
+ : AliPHOSGeoUtils(name, title),
fAngle(0.f),
fPHOSAngle(0),
fIPtoUpperCPVsurface(0),
- fRotMatrixArray(0),
- fGeometryEMCA(0),
- fGeometryCPV(0),
- fGeometrySUPP(0)
+ fCrystalShift(0),
+ fCryCellShift(0),
+ fRotMatrixArray(0)
{
// ctor only for internal usage (singleton)
Init() ;
+ fgGeom = this;
}
//____________________________________________________________________________
// Initializes the PHOS parameters :
// IHEP is the Protvino CPV (cathode pad chambers)
- TString test(GetName()) ;
- if (test != "IHEP" && test != "noCPV") {
- AliFatal(Form("%s is not a known geometry (choose among IHEP)",
- test.Data() )) ;
- }
-
fgInit = kTRUE ;
- fNModules = 5;
fAngle = 20;
- fGeometryEMCA = new AliPHOSEMCAGeometry();
-
- fGeometryCPV = new AliPHOSCPVGeometry ();
-
- fGeometrySUPP = new AliPHOSSupportGeometry();
fPHOSAngle = new Float_t[fNModules] ;
- Float_t * emcParams = fGeometryEMCA->GetEMCParams() ;
+ const Float_t * emcParams = fGeometryEMCA->GetEMCParams() ;
fPHOSParams[0] = TMath::Max((Double_t)fGeometryCPV->GetCPVBoxSize(0)/2.,
(Double_t)(emcParams[0] - (emcParams[1]-emcParams[0])*
fPHOSParams[3] = emcParams[3] + fGeometryCPV->GetCPVBoxSize(1)/2. ;
fIPtoUpperCPVsurface = fGeometryEMCA->GetIPtoOuterCoverDistance() - fGeometryCPV->GetCPVBoxSize(1) ;
-
+
+ //calculate offset to crystal surface
+ const Float_t * inthermo = fGeometryEMCA->GetInnerThermoHalfSize() ;
+ const Float_t * strip = fGeometryEMCA->GetStripHalfSize() ;
+ const Float_t * splate = fGeometryEMCA->GetSupportPlateHalfSize();
+ const Float_t * crystal = fGeometryEMCA->GetCrystalHalfSize() ;
+ const Float_t * pin = fGeometryEMCA->GetAPDHalfSize() ;
+ const Float_t * preamp = fGeometryEMCA->GetPreampHalfSize() ;
+ fCrystalShift=-inthermo[1]+strip[1]+splate[1]+crystal[1]-fGeometryEMCA->GetAirGapLed()/2.+pin[1]+preamp[1] ;
+ fCryCellShift=crystal[1]-(fGeometryEMCA->GetAirGapLed()-2*pin[1]-2*preamp[1])/2;
+
Int_t index ;
for ( index = 0; index < fNModules; index++ )
fPHOSAngle[index] = 0.0 ; // Module position angles are set in CreateGeometry()
fPHOSAngle[i-1] = - angle ;
}
}
-
//____________________________________________________________________________
-Bool_t AliPHOSGeometry::AbsToRelNumbering(Int_t AbsId, Int_t * relid) const
+void AliPHOSGeometry::GetGlobal(const AliRecPoint* , TVector3 & ) const
{
- // Converts the absolute numbering into the following array
- // relid[0] = PHOS Module number 1:fNModules
- // relid[1] = 0 if PbW04
- // = -1 if CPV
- // relid[2] = Row number inside a PHOS module
- // relid[3] = Column number inside a PHOS module
-
- Bool_t rv = kTRUE ;
- Float_t id = AbsId ;
-
- Int_t phosmodulenumber = (Int_t)TMath:: Ceil( id / GetNCristalsInModule() ) ;
-
- if ( phosmodulenumber > GetNModules() ) { // it is a CPV pad
-
- id -= GetNPhi() * GetNZ() * GetNModules() ;
- Float_t nCPV = GetNumberOfCPVPadsPhi() * GetNumberOfCPVPadsZ() ;
- relid[0] = (Int_t) TMath::Ceil( id / nCPV ) ;
- relid[1] = -1 ;
- id -= ( relid[0] - 1 ) * nCPV ;
- relid[2] = (Int_t) TMath::Ceil( id / GetNumberOfCPVPadsZ() ) ;
- relid[3] = (Int_t) ( id - ( relid[2] - 1 ) * GetNumberOfCPVPadsZ() ) ;
- }
- else { // it is a PW04 crystal
-
- relid[0] = phosmodulenumber ;
- relid[1] = 0 ;
- id -= ( phosmodulenumber - 1 ) * GetNPhi() * GetNZ() ;
- relid[2] = (Int_t)TMath::Ceil( id / GetNZ() ) ;
- relid[3] = (Int_t)( id - ( relid[2] - 1 ) * GetNZ() ) ;
- }
- return rv ;
+ AliFatal(Form("Please use GetGlobalPHOS(recPoint,gpos) instead of GetGlobal!"));
}
//____________________________________________________________________________
-void AliPHOSGeometry::GetGlobal(const AliRecPoint* recPoint, TVector3 & gpos) const
+void AliPHOSGeometry::GetGlobalPHOS(const AliPHOSRecPoint* recPoint, TVector3 & gpos) const
{
// Calculates the coordinates of a RecPoint and the error matrix in the ALICE global coordinate system
- AliPHOSRecPoint * tmpPHOS = (AliPHOSRecPoint *) recPoint ;
+ const AliPHOSRecPoint * tmpPHOS = recPoint ;
TVector3 localposition ;
tmpPHOS->GetLocalPosition(gpos) ;
char path[100] ;
Double_t dy ;
if(tmpPHOS->IsEmc()){
- sprintf(path,"/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1",tmpPHOS->GetPHOSMod()) ;
- //calculate offset to crystal surface
- Float_t * inthermo = fGeometryEMCA->GetInnerThermoHalfSize() ;
- Float_t * strip = fGeometryEMCA->GetStripHalfSize() ;
- Float_t* splate = fGeometryEMCA->GetSupportPlateHalfSize();
- Float_t * crystal = fGeometryEMCA->GetCrystalHalfSize() ;
- Float_t * pin = fGeometryEMCA->GetAPDHalfSize() ;
- Float_t * preamp = fGeometryEMCA->GetPreampHalfSize() ;
- dy=-inthermo[1]+strip[1]+splate[1]+crystal[1]-fGeometryEMCA->GetAirGapLed()/2.+pin[1]+preamp[1] ;
+ TString spath="/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1";
+ snprintf(path,spath.Length(),spath.Data(),tmpPHOS->GetPHOSMod()) ;
+// sprintf(path,"/ALIC_1/PHOS_%d",tmpPHOS->GetPHOSMod()) ;
+ dy=fCrystalShift ;
}
else{
- sprintf(path,"/ALIC_1/PHOS_%d/PCPV_1",tmpPHOS->GetPHOSMod()) ;
+ TString spath="/ALIC_1/PHOS_%d/PCPV_1";
+ snprintf(path,spath.Length(),spath.Data(),tmpPHOS->GetPHOSMod()) ;
dy= GetCPVBoxSize(1)/2. ; //center of CPV module
}
Double_t pos[3]={gpos.X(),gpos.Y()-dy,gpos.Z()} ;
- Double_t posC[3];
+ if(tmpPHOS->IsEmc())
+ pos[2]=-pos[2] ; //Opposite z directions in EMC matrix and local frame!!!
+ Double_t posC[3] = {};
//now apply possible shifts and rotations
if (!gGeoManager->cd(path)){
AliFatal("Geo manager can not find path \n");
}
TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
- if (m) m->LocalToMaster(pos,posC);
- else{
- AliFatal("Geo matrixes are not loaded \n") ;
- }
- if(tmpPHOS->IsEmc())
- gpos.SetXYZ(posC[0],posC[1],-posC[2]) ;
- else
- gpos.SetXYZ(posC[0],posC[1],posC[2]) ;
-
-}
-//____________________________________________________________________________
-void AliPHOSGeometry::ImpactOnEmc(Double_t * vtx, Double_t theta, Double_t phi,
- Int_t & moduleNumber, Double_t & z, Double_t & x) const
-{
- // calculates the impact coordinates on PHOS of a neutral particle
- // emitted in the vertex vtx[3] with direction theta and phi in the ALICE global coordinate system
- TVector3 p(TMath::Sin(theta)*TMath::Cos(phi),TMath::Sin(theta)*TMath::Sin(phi),TMath::Cos(theta)) ;
- TVector3 v(vtx[0],vtx[1],vtx[2]) ;
-
- //calculate offset to crystal surface
- Float_t * inthermo = fGeometryEMCA->GetInnerThermoHalfSize() ;
- Float_t * strip = fGeometryEMCA->GetStripHalfSize() ;
- Float_t* splate = fGeometryEMCA->GetSupportPlateHalfSize();
- Float_t * crystal = fGeometryEMCA->GetCrystalHalfSize() ;
- Float_t * pin = fGeometryEMCA->GetAPDHalfSize() ;
- Float_t * preamp = fGeometryEMCA->GetPreampHalfSize() ;
- Float_t dy=-inthermo[1]+strip[1]+splate[1]+crystal[1]-fGeometryEMCA->GetAirGapLed()/2.+pin[1]+preamp[1] ;
-
- if (!gGeoManager){
- AliFatal("Geo manager not initialized\n");
- }
-
- for(Int_t imod=1; imod<=GetNModules() ; imod++){
- //create vector from (0,0,0) to center of crystal surface of imod module
- Double_t tmp[3]={0.,-dy,0.} ;
-
- char path[100] ;
- sprintf(path,"/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1",imod) ;
- if (!gGeoManager->cd(path)){
- AliFatal("Geo manager can not find path \n");
- }
- TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
- Double_t posG[3]={0.,0.,0.} ;
- if (m) m->LocalToMaster(tmp,posG);
- TVector3 n(posG[0],posG[1],-posG[2]) ;
- Double_t direction=n.Dot(p) ;
- if(direction<=0.)
- continue ; //momentum directed FROM module
- Double_t fr = (n.Mag2()-n.Dot(v))/direction ;
- //Calculate direction in module plain
- n-=v+fr*p ;
- n*=-1. ;
- Float_t * sz = fGeometryEMCA->GetInnerThermoHalfSize() ; //Wery close to the zise of the Xtl set
- if(TMath::Abs(TMath::Abs(n.Z())<sz[2]) && n.Pt()<sz[0]){
- moduleNumber = imod ;
- z=n.Z() ;
- x=TMath::Sign(n.Pt(),n.X()) ;
- return ;
- }
- }
- //Not in acceptance
- x=0; z=0 ;
- moduleNumber=0 ;
-
-}
-
-//____________________________________________________________________________
-Bool_t AliPHOSGeometry::Impact(const TParticle * particle) const
-{
- // Tells if a particle enters PHOS
- Bool_t in=kFALSE;
- Int_t moduleNumber=0;
- Double_t vtx[3]={particle->Vx(),particle->Vy(),particle->Vz()} ;
- Double_t z,x;
- ImpactOnEmc(vtx,particle->Theta(),particle->Phi(),moduleNumber,z,x);
- if(moduleNumber!=0)
- in=kTRUE;
- return in;
-}
-
-//____________________________________________________________________________
-Bool_t AliPHOSGeometry::RelToAbsNumbering(const Int_t * relid, Int_t & AbsId) const
-{
- // Converts the relative numbering into the absolute numbering
- // EMCA crystals:
- // AbsId = from 1 to fNModules * fNPhi * fNZ
- // CPV pad:
- // AbsId = from N(total PHOS crystals) + 1
- // to NCPVModules * fNumberOfCPVPadsPhi * fNumberOfCPVPadsZ
-
- Bool_t rv = kTRUE ;
-
- if ( relid[1] == 0 ) { // it is a Phos crystal
- AbsId =
- ( relid[0] - 1 ) * GetNPhi() * GetNZ() // the offset of PHOS modules
- + ( relid[2] - 1 ) * GetNZ() // the offset along phi
- + relid[3] ; // the offset along z
- }
- else { // it is a CPV pad
- AbsId = GetNPhi() * GetNZ() * GetNModules() // the offset to separate EMCA crystals from CPV pads
- + ( relid[0] - 1 ) * GetNumberOfCPVPadsPhi() * GetNumberOfCPVPadsZ() // the pads offset of PHOS modules
- + ( relid[2] - 1 ) * GetNumberOfCPVPadsZ() // the pads offset of a CPV row
- + relid[3] ; // the column number
- }
-
- return rv ;
-}
-
-//____________________________________________________________________________
-void AliPHOSGeometry::RelPosInAlice(Int_t id, TVector3 & pos ) const
-{
- // Converts the absolute numbering into the global ALICE coordinate system
-
- if (!gGeoManager){
- AliFatal("Geo manager not initialized\n");
- }
-
- Int_t relid[4] ;
-
- AbsToRelNumbering(id , relid) ;
-
- //construct module name
- char path[100] ;
- if(relid[1]==0){ //this is EMC
-
- Float_t * xls = fGeometryEMCA->GetCrystalHalfSize() ;
- Double_t ps[3]= {0.0,-xls[1],0.}; //Position incide the crystal
- Double_t psC[3]={0.0,0.0,0.}; //Global position
-
- //Shift and possibly apply misalignment corrections
- Int_t nCellsInStrip=fGeometryEMCA->GetNCellsXInStrip() ;
- Int_t strip=1+(relid[3]-1)/fGeometryEMCA->GetNCellsZInStrip()+((relid[2]-1)/nCellsInStrip)*fGeometryEMCA->GetNStripZ() ;
- Int_t cell=fGeometryEMCA->GetNCellsZInStrip()*(1+(relid[2]-1)%nCellsInStrip)-(relid[3]-1)%fGeometryEMCA->GetNCellsZInStrip() ;
- sprintf(path,"/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1/PSTR_%d/PCEL_%d",
- relid[0],strip,cell) ;
- if (!gGeoManager->cd(path)){
- AliFatal("Geo manager can not find path \n");
- }
- TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
- if (m) m->LocalToMaster(ps,psC);
- else{
- AliFatal("Geo matrixes are not loaded \n") ;
- }
- pos.SetXYZ(psC[0],psC[1],-psC[2]) ;
+ if (m){
+ m->LocalToMaster(pos,posC);
}
- else{
- //first calculate position with respect to CPV plain
- Int_t row = relid[2] ; //offset along x axis
- Int_t column = relid[3] ; //offset along z axis
- Double_t ps[3]= {0.0,GetCPVBoxSize(1)/2.,0.}; //Position on top of CPV
- Double_t psC[3]={0.0,0.0,0.}; //Global position
- pos[0] = - ( GetNumberOfCPVPadsPhi()/2. - row - 0.5 ) * GetPadSizePhi() ; // position of pad with respect
- pos[2] = - ( GetNumberOfCPVPadsZ() /2. - column - 0.5 ) * GetPadSizeZ() ; // of center of PHOS module
-
- //now apply possible shifts and rotations
- sprintf(path,"/ALIC_1/PHOS_%d/PCPV_1",relid[0]) ;
- if (!gGeoManager->cd(path)){
- AliFatal("Geo manager can not find path \n");
- }
- TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
- if (m) m->LocalToMaster(ps,psC);
- else{
- AliFatal("Geo matrixes are not loaded \n") ;
- }
- pos.SetXYZ(psC[0],psC[1],-psC[2]) ;
- }
-}
-
-//____________________________________________________________________________
-void AliPHOSGeometry::RelPosToAbsId(Int_t module, Double_t x, Double_t z, Int_t & AbsId) const
-{
- // converts local PHOS-module (x, z) coordinates to absId
-
- //find Global position
- if (!gGeoManager){
- AliFatal("Geo manager not initialized\n");
- }
- Int_t relid[4] ;
- char path[100] ;
- sprintf(path,"/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1",module) ;
- Double_t lpos[3]={x,0.0,z} ;
- Double_t gpos[3]={0.,0.,0.} ;
- if (!gGeoManager->cd(path)){
- AliFatal("Geo manager can not find path \n");
- }
- TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
- if (m) m->LocalToMaster(lpos,gpos);
else{
AliFatal("Geo matrixes are not loaded \n") ;
}
- gGeoManager->FindNode(gpos[0],gpos[1],gpos[2]) ;
- //Check that path contains PSTR and extract strip number
- TString cpath(gGeoManager->GetPath()) ;
- Int_t indx = cpath.Index("PCEL") ;
- if(indx==-1){ //for the few events when particle hits between srips use ideal geometry
- relid[0] = module ;
- relid[1] = 0 ;
- relid[2] = static_cast<Int_t>(TMath::Ceil( x/ GetCellStep() + GetNPhi() / 2.) );
- relid[3] = static_cast<Int_t>(TMath::Ceil(-z/ GetCellStep() + GetNZ() / 2.) ) ;
- if(relid[2]<1)relid[2]=1 ;
- if(relid[3]<1)relid[3]=1 ;
- if(relid[2]>GetNPhi())relid[2]=GetNPhi() ;
- if(relid[3]>GetNZ())relid[3]=GetNZ() ;
- }
- else{
- Int_t indx2 = cpath.Index("/",indx) ;
- if(indx2==-1)
- indx2=cpath.Length() ;
- TString cell=cpath(indx+5,indx2-indx-5) ;
- Int_t icell=cell.Atoi() ;
- indx = cpath.Index("PSTR") ;
- indx2 = cpath.Index("/",indx) ;
- TString strip=cpath(indx+5,indx2-indx-5) ;
- Int_t iStrip = strip.Atoi() ;
- relid[0] = module ;
- relid[1] = 0 ;
- Int_t raw = fGeometryEMCA->GetNCellsXInStrip()*((iStrip-1)/fGeometryEMCA->GetNStripZ()) +
- 1 + (icell-1)/fGeometryEMCA->GetNCellsZInStrip() ;
- Int_t col = fGeometryEMCA->GetNCellsZInStrip()*(1+(iStrip-1)%fGeometryEMCA->GetNStripZ()) -
- (icell-1)%fGeometryEMCA->GetNCellsZInStrip() ;
- if(col==0) col=GetNZ() ;
- relid[2] = raw ;
- relid[3] = col ;
- }
-
- RelToAbsNumbering(relid,AbsId) ;
-}
+ gpos.SetXYZ(posC[0],posC[1],posC[2]) ;
-//____________________________________________________________________________
-void AliPHOSGeometry::RelPosInModule(const Int_t * relid, Float_t & x, Float_t & z) const
-{
- // Converts the relative numbering into the local PHOS-module (x, z) coordinates
- // Note: sign of z differs from that in the previous version (Yu.Kharlov, 12 Oct 2000)
-
-
- if (!gGeoManager){
- AliFatal("Geo manager not initialized\n");
- }
- //construct module name
- char path[100] ;
- if(relid[1]==0){ //this is PHOS
-
-// Calculations using ideal geometry (obsolete)
-// x = - ( GetNPhi()/2. - relid[2] + 0.5 ) * GetCellStep() ; // position of Xtal with respect
-// z = - ( GetNZ() /2. - relid[3] + 0.5 ) * GetCellStep() ; // of center of PHOS module
-
- Double_t pos[3]= {0.0,0.0,0.}; //Position incide the crystal (Y coordinalte is not important)
- Double_t posC[3]={0.0,0.0,0.}; //Global position
-
- //Shift and possibly apply misalignment corrections
- Int_t nCellsInStrip=fGeometryEMCA->GetNCellsXInStrip() ;
- Int_t strip=1+(relid[3]-1)/fGeometryEMCA->GetNCellsZInStrip()+((relid[2]-1)/nCellsInStrip)*fGeometryEMCA->GetNStripZ() ;
- Int_t sellRaw = (relid[2]-1)%nCellsInStrip ;
- Int_t cell=fGeometryEMCA->GetNCellsZInStrip()*(sellRaw+1) -(relid[3]-1)%fGeometryEMCA->GetNCellsZInStrip() ;
- sprintf(path,"/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1/PSTR_%d/PCEL_%d",
- relid[0],strip,cell) ;
- if (!gGeoManager->cd(path)){
- AliFatal("Geo manager can not find path \n");
- }
- TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
- if (m) m->LocalToMaster(pos,posC);
- else{
- AliFatal("Geo matrixes are not loaded \n") ;
- }
- //Return to PHOS local system
- Double_t posL[3]={posC[0],posC[1],posC[2]};
- sprintf(path,"/ALIC_1/PHOS_%d",relid[0]) ;
- if (!gGeoManager->cd(path)){
- AliFatal("Geo manager can not find path \n");
- }
- TGeoHMatrix *mPHOS = gGeoManager->GetCurrentMatrix();
- if (mPHOS) mPHOS->MasterToLocal(posC,posL);
- else{
- AliFatal("Geo matrixes are not loaded \n") ;
- }
-//printf("old: x=%f, z=%f \n",x,z);
- x=posL[0] ;
- z=-posL[1];
-//printf("Geo: x=%f, z=%f \n",x,z);
- return ;
- }
- else{//CPV
- //first calculate position with respect to CPV plain
- Int_t row = relid[2] ; //offset along x axis
- Int_t column = relid[3] ; //offset along z axis
- Double_t pos[3]= {0.0,0.0,0.}; //Position incide the CPV printed circuit
- Double_t posC[3]={0.0,0.0,0.}; //Global position
- pos[0] = - ( GetNumberOfCPVPadsPhi()/2. - row - 0.5 ) * GetPadSizePhi() ; // position of pad with respect
- pos[2] = - ( GetNumberOfCPVPadsZ() /2. - column - 0.5 ) * GetPadSizeZ() ; // of center of PHOS module
-
- //now apply possible shifts and rotations
- sprintf(path,"/ALIC_1/PHOS_%d/PCPV_1",relid[0]) ;
- if (!gGeoManager->cd(path)){
- AliFatal("Geo manager can not find path \n");
- }
- TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
- if (m) m->LocalToMaster(pos,posC);
- else{
- AliFatal("Geo matrixes are not loaded \n") ;
- }
- //Return to PHOS local system
- Double_t posL[3]={0.,0.,0.,} ;
- sprintf(path,"/ALIC_1/PHOS_%d",relid[0]) ;
- if (!gGeoManager->cd(path)){
- AliFatal("Geo manager can not find path \n");
- }
- TGeoHMatrix *mPHOS = gGeoManager->GetCurrentMatrix();
- if (mPHOS) mPHOS->MasterToLocal(posC,posL);
- else{
- AliFatal("Geo matrixes are not loaded \n") ;
- }
- x=posL[0] ;
- z=posL[1];
- return ;
-
- }
-
}
-
//____________________________________________________________________________
void AliPHOSGeometry::GetModuleCenter(TVector3& center,
center.SetXYZ(rDet*TMath::Cos(angle), rDet*TMath::Sin(angle), 0.);
}
-//____________________________________________________________________________
-
-void AliPHOSGeometry::Global2Local(TVector3& localPosition,
- const TVector3& globalPosition,
- Int_t module) const
-{
- // Transforms a global position of the rec.point to the local coordinate system
- //Return to PHOS local system
- Double_t posG[3]={globalPosition.X(),globalPosition.Y(),-globalPosition.Z()} ;
- Double_t posL[3]={0.,0.,0.} ;
- char path[100] ;
- sprintf(path,"/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1",module) ;
-// sprintf(path,"/ALIC_1/PHOS_%d",module) ;
- if (!gGeoManager->cd(path)){
- AliFatal("Geo manager can not find path \n");
- }
- TGeoHMatrix *mPHOS = gGeoManager->GetCurrentMatrix();
- if (mPHOS) mPHOS->MasterToLocal(posG,posL);
- else{
- AliFatal("Geo matrixes are not loaded \n") ;
- }
- localPosition.SetXYZ(posL[0],posL[1],posL[2]) ;
-
-/*
- Float_t angle = GetPHOSAngle(module); // (40,20,0,-20,-40) degrees
- angle *= TMath::Pi()/180;
- angle += 3*TMath::Pi()/2.;
- localPosition = globalPosition;
- localPosition.RotateZ(-angle);
-*/
-}
-//____________________________________________________________________________
-void AliPHOSGeometry::Local2Global(Int_t mod, Float_t x, Float_t z,
- TVector3& globalPosition) const
-{
- char path[100] ;
- sprintf(path,"/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1",mod) ;
- if (!gGeoManager->cd(path)){
- AliFatal("Geo manager can not find path \n");
- }
- //calculate offset to crystal surface
- Float_t * inthermo = fGeometryEMCA->GetInnerThermoHalfSize() ;
- Float_t * strip = fGeometryEMCA->GetStripHalfSize() ;
- Float_t* splate = fGeometryEMCA->GetSupportPlateHalfSize();
- Float_t * crystal = fGeometryEMCA->GetCrystalHalfSize() ;
- Float_t * pin = fGeometryEMCA->GetAPDHalfSize() ;
- Float_t * preamp = fGeometryEMCA->GetPreampHalfSize() ;
- Float_t dy=-inthermo[1]+strip[1]+splate[1]+crystal[1]-fGeometryEMCA->GetAirGapLed()/2.+pin[1]+preamp[1] ;
- Double_t posL[3]={x,dy,z} ;
- Double_t posG[3] ;
- TGeoHMatrix *mPHOS = gGeoManager->GetCurrentMatrix();
- if (mPHOS) mPHOS->LocalToMaster(posL,posG);
- else{
- AliFatal("Geo matrixes are not loaded \n") ;
- }
- globalPosition.SetXYZ(posG[0],posG[1],-posG[2]) ;
-
-
-}
-//____________________________________________________________________________
-void AliPHOSGeometry::GetIncidentVector(const TVector3 &vtx, Int_t module, Float_t x,Float_t z, TVector3 &vInc) const {
- //Calculates vector pointing from vertex to current poisition in module local frame
-
- Global2Local(vInc,vtx,module) ;
- vInc.SetXYZ(vInc.X()+x,vInc.Y(),vInc.Z()+z) ;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff