/* $Id: AliPHOSGeometry.cxx 25590 2008-05-06 07:09:11Z prsnko $ */
//_________________________________________________________________________
-// Geometry class for PHOS : singleton
+// Geometry class for PHOS
// PHOS consists of the electromagnetic calorimeter (EMCA)
-// and a charged particle veto either in the Subatech's version (PPSD)
-// or in the IHEP's one (CPV).
-// The EMCA/PPSD/CPV modules are parametrized so that any configuration
+// and a charged particle veto (CPV)
+// The EMCA/CPV modules are parametrized so that any configuration
// can be easily implemented
// The title is used to identify the version of CPV used.
//
// --- ROOT system ---
+#include "TClonesArray.h"
#include "TVector3.h"
#include "TParticle.h"
#include <TGeoManager.h>
// --- Standard library ---
// --- AliRoot header files ---
+#include "AliLog.h"
#include "AliPHOSEMCAGeometry.h"
#include "AliPHOSCPVGeometry.h"
+#include "AliPHOSSupportGeometry.h"
#include "AliPHOSGeoUtils.h"
ClassImp(AliPHOSGeoUtils)
//____________________________________________________________________________
AliPHOSGeoUtils::AliPHOSGeoUtils():
+ fGeometryEMCA(0x0),fGeometryCPV(0x0),fGeometrySUPP(0x0),
fNModules(0),fNCristalsInModule(0),fNPhi(0),fNZ(0),
fNumberOfCPVPadsPhi(0),fNumberOfCPVPadsZ(0),
fNCellsXInStrip(0),fNCellsZInStrip(0),fNStripZ(0),
- fCrystalShift(0.),fCryCellShift(0.),fCellStep(0.),
- fPadSizePhi(0.),fPadSizeZ(0.),fCPVBoxSizeY(0.)
+ fCrystalShift(0.),fCryCellShift(0.),fCryStripShift(0.),fCellStep(0.),
+ fPadSizePhi(0.),fPadSizeZ(0.),fCPVBoxSizeY(0.),fMisalArray(0x0)
{
// default ctor
// must be kept public for root persistency purposes, but should never be called by the outside world
+
+ fXtlArrSize[0]=0.;
+ fXtlArrSize[1]=0.;
+ fXtlArrSize[2]=0.;
+
+ for(Int_t mod=0; mod<5; mod++){
+ fEMCMatrix[mod]=0 ;
+ for(Int_t istrip=0; istrip<224; istrip++)
+ fStripMatrix[mod][istrip]=0 ;
+ fCPVMatrix[mod]=0;
+ fPHOSMatrix[mod]=0 ;
+ }
+
}
//____________________________________________________________________________
AliPHOSGeoUtils::AliPHOSGeoUtils(const AliPHOSGeoUtils & rhs)
: TNamed(rhs),
+ fGeometryEMCA(0x0),fGeometryCPV(0x0),fGeometrySUPP(0x0),
fNModules(0),fNCristalsInModule(0),fNPhi(0),fNZ(0),
fNumberOfCPVPadsPhi(0),fNumberOfCPVPadsZ(0),
fNCellsXInStrip(0),fNCellsZInStrip(0),fNStripZ(0),
- fCrystalShift(0.),fCryCellShift(0.),fCellStep(0.),
- fPadSizePhi(0.),fPadSizeZ(0.),fCPVBoxSizeY(0.)
+ fCrystalShift(0.),fCryCellShift(0.),fCryStripShift(0.),fCellStep(0.),
+ fPadSizePhi(0.),fPadSizeZ(0.),fCPVBoxSizeY(0.),fMisalArray(0x0)
{
Fatal("cpy ctor", "not implemented") ;
}
//____________________________________________________________________________
AliPHOSGeoUtils::AliPHOSGeoUtils(const Text_t* name, const Text_t* title)
: TNamed(name, title),
+ fGeometryEMCA(0x0),fGeometryCPV(0x0),fGeometrySUPP(0x0),
fNModules(0),fNCristalsInModule(0),fNPhi(0),fNZ(0),
fNumberOfCPVPadsPhi(0),fNumberOfCPVPadsZ(0),
fNCellsXInStrip(0),fNCellsZInStrip(0),fNStripZ(0),
- fCrystalShift(0.),fCryCellShift(0.),fCellStep(0.),
- fPadSizePhi(0.),fPadSizeZ(0.),fCPVBoxSizeY(0.)
+ fCrystalShift(0.),fCryCellShift(0.),fCryStripShift(0.),fCellStep(0.),
+ fPadSizePhi(0.),fPadSizeZ(0.),fCPVBoxSizeY(0.),fMisalArray(0x0)
{
// ctor only for normal usage
- Init() ;
+
+ fGeometryEMCA = new AliPHOSEMCAGeometry() ;
+ fGeometryCPV = new AliPHOSCPVGeometry() ;
+ fGeometrySUPP = new AliPHOSSupportGeometry() ;
+
+ fNModules = 5;
+ fNPhi = fGeometryEMCA->GetNPhi() ;
+ fNZ = fGeometryEMCA->GetNZ() ;
+ fNCristalsInModule = fNPhi*fNZ ;
+ fNCellsXInStrip= fGeometryEMCA->GetNCellsXInStrip() ;
+ fNCellsZInStrip= fGeometryEMCA->GetNCellsZInStrip() ;
+ fNStripZ = fGeometryEMCA->GetNStripZ() ;
+ fXtlArrSize[0]=fGeometryEMCA->GetInnerThermoHalfSize()[0] ; //Wery close to the zise of the Xtl set
+ fXtlArrSize[1]=fGeometryEMCA->GetInnerThermoHalfSize()[1] ; //Wery close to the zise of the Xtl set
+ fXtlArrSize[2]=fGeometryEMCA->GetInnerThermoHalfSize()[2] ; //Wery close to the zise of the Xtl set
+
+ //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;
+ fCryStripShift=fCryCellShift+splate[1] ;
+ fCellStep = 2.*fGeometryEMCA->GetAirCellHalfSize()[0] ;
+
+ fNumberOfCPVPadsPhi = fGeometryCPV->GetNumberOfCPVPadsPhi() ;
+ fNumberOfCPVPadsZ = fGeometryCPV->GetNumberOfCPVPadsZ() ;
+ fPadSizePhi = fGeometryCPV->GetCPVPadSizePhi() ;
+ fPadSizeZ = fGeometryCPV->GetCPVPadSizeZ() ;
+ fCPVBoxSizeY= fGeometryCPV->GetCPVBoxSize(1) ;
+
+ for(Int_t mod=0; mod<5; mod++){
+ fEMCMatrix[mod]=0 ;
+ for(Int_t istrip=0; istrip<224; istrip++)
+ fStripMatrix[mod][istrip]=0 ;
+ fCPVMatrix[mod]=0;
+ fPHOSMatrix[mod]=0 ;
+ }
+
}
//____________________________________________________________________________
AliPHOSGeoUtils & AliPHOSGeoUtils::operator = (const AliPHOSGeoUtils & /*rvalue*/) {
- Init() ;
+
+ Fatal("assignment operator", "not implemented") ;
return *this ;
}
AliPHOSGeoUtils::~AliPHOSGeoUtils(void)
{
// dtor
+ if(fGeometryEMCA){
+ delete fGeometryEMCA; fGeometryEMCA = 0 ;
+ }
+ if(fGeometryCPV){
+ delete fGeometryCPV; fGeometryCPV=0 ;
+ }
+ if(fGeometrySUPP){
+ delete fGeometrySUPP ; fGeometrySUPP=0 ;
+ }
+ if(fMisalArray){
+ delete fMisalArray; fMisalArray=0 ;
+ }
+
+ for(Int_t mod=0; mod<5; mod++){
+ delete fEMCMatrix[mod] ;
+ for(Int_t istrip=0; istrip<224; istrip++)
+ delete fStripMatrix[mod][istrip];
+ delete fCPVMatrix[mod];
+ delete fPHOSMatrix[mod];
+ }
}
//____________________________________________________________________________
Bool_t AliPHOSGeoUtils::AbsToRelNumbering(Int_t absId, Int_t * relid) const
{
// Converts the relative numbering into the local PHOS-module (x, z) coordinates
- if (!gGeoManager){
- printf("Geo manager not initialized\n");
- abort() ;
- }
- //construct module name
- char path[100] ;
if(relid[1]==0){ //this is PHOS
Double_t pos[3]= {0.0,-fCryCellShift,0.}; //Position incide the crystal
//Shift and possibly apply misalignment corrections
Int_t strip=1+((Int_t) TMath::Ceil((Double_t)relid[2]/fNCellsXInStrip))*fNStripZ-
(Int_t) TMath::Ceil((Double_t)relid[3]/fNCellsZInStrip) ;
- Int_t cellraw= relid[3]%fNCellsZInStrip ;
- if(cellraw==0)cellraw=fNCellsZInStrip ;
- Int_t cell= ((relid[2]-1)%fNCellsXInStrip)*fNCellsZInStrip + cellraw ;
- 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)){
- printf("Geo manager can not find path \n");
- abort() ;
- }
- TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
- if (m) m->LocalToMaster(pos,posC);
- else{
- printf("Geo matrixes are not loaded \n") ;
- abort() ;
- }
+ pos[0]=((relid[2]-1)%fNCellsXInStrip-fNCellsXInStrip/2+0.5)*fCellStep ;
+ pos[2]=(-(relid[3]-1)%fNCellsZInStrip+fNCellsZInStrip/2-0.5)*fCellStep ;
+
+ Int_t mod = relid[0] ;
+ const TGeoHMatrix * m2 = GetMatrixForStrip(mod, strip) ;
+ m2->LocalToMaster(pos,posC);
+
//Return to PHOS local system
- Double_t posL[3]={posC[0],posC[1],posC[2]};
- sprintf(path,"/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1",relid[0]) ;
- // sprintf(path,"/ALIC_1/PHOS_%d",relid[0]) ;
- if (!gGeoManager->cd(path)){
- printf("Geo manager can not find path \n");
- abort();
- }
- TGeoHMatrix *mPHOS = gGeoManager->GetCurrentMatrix();
- if (mPHOS) mPHOS->MasterToLocal(posC,posL);
- else{
- printf("Geo matrixes are not loaded \n") ;
- abort() ;
- }
- x=posL[0] ;
- z=-posL[2];
+ Double_t posL2[3]={posC[0],posC[1],posC[2]};
+ const TGeoHMatrix *mPHOS2 = GetMatrixForModule(mod) ;
+ mPHOS2->MasterToLocal(posC,posL2);
+ x=posL2[0] ;
+ z=-posL2[2];
return ;
}
else{//CPV
pos[2] = - ( fNumberOfCPVPadsZ /2. - column - 0.5 ) * fPadSizeZ ; // 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)){
- printf("Geo manager can not find path \n");
- abort() ;
- }
- TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
- if (m) m->LocalToMaster(pos,posC);
- else{
- printf("Geo matrixes are not loaded \n") ;
- abort() ;
- }
+ const TGeoHMatrix *m = GetMatrixForCPV(relid[0]) ;
+ m->LocalToMaster(pos,posC);
//Return to PHOS local system
Double_t posL[3]={0.,0.,0.,} ;
- sprintf(path,"/ALIC_1/PHOS_%d",relid[0]) ;
- if (!gGeoManager->cd(path)){
- printf("Geo manager can not find path \n");
- abort() ;
- }
- TGeoHMatrix *mPHOS = gGeoManager->GetCurrentMatrix();
- if (mPHOS) mPHOS->MasterToLocal(posC,posL);
- else{
- printf("Geo matrixes are not loaded \n") ;
- abort() ;
- }
+ const TGeoHMatrix *mPHOS = GetMatrixForPHOS(relid[0]) ;
+ mPHOS->MasterToLocal(posC,posL);
x=posL[0] ;
z=posL[1];
return ;
{
// converts local PHOS-module (x, z) coordinates to absId
+ //Calculate AbsId using ideal geometry. Should be sufficient for primary particles calculation
+ //(the only place where this method used currently)
+ Int_t relid[4]={module,0,1,1} ;
+ relid[2] = static_cast<Int_t>(TMath::Ceil( x/ fCellStep + fNPhi / 2.) );
+ relid[3] = fNZ+1-static_cast<Int_t>(TMath::Ceil(-z/ fCellStep + fNZ / 2.) ) ;
+ if(relid[2]<1)relid[2]=1 ;
+ if(relid[3]<1)relid[3]=1 ;
+ if(relid[2]>fNPhi)relid[2]=fNPhi ;
+ if(relid[3]>fNZ)relid[3]=fNZ ;
+ RelToAbsNumbering(relid,absId) ;
+
+/*
//find Global position
if (!gGeoManager){
printf("Geo manager not initialized\n");
row * 2 + (col*fNCellsXInStrip + (icell - 1) / 2)*fNZ - (icell & 1 ? 1 : 0);
}
+*/
}
AbsToRelNumbering(id , relid) ;
//construct module name
- char path[100] ;
if(relid[1]==0){ //this is EMC
- Double_t ps[3]= {0.0,-fCryCellShift,0.}; //Position incide the crystal
+ Double_t ps[3]= {0.0,-fCryStripShift,0.}; //Position incide the crystal
Double_t psC[3]={0.0,0.0,0.}; //Global position
//Shift and possibly apply misalignment corrections
Int_t strip=1+((Int_t) TMath::Ceil((Double_t)relid[2]/fNCellsXInStrip))*fNStripZ-
(Int_t) TMath::Ceil((Double_t)relid[3]/fNCellsZInStrip) ;
- Int_t cellraw= relid[3]%fNCellsZInStrip ;
- if(cellraw==0)cellraw=fNCellsZInStrip ;
- Int_t cell= ((relid[2]-1)%fNCellsXInStrip)*fNCellsZInStrip + cellraw ;
- 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)){
- printf("Geo manager can not find path \n");
- abort() ;
- }
- TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
- if (m) m->LocalToMaster(ps,psC);
- else{
- printf("Geo matrixes are not loaded \n") ;
- abort() ;
- }
+ ps[0]=((relid[2]-1)%fNCellsXInStrip-fNCellsXInStrip/2+0.5)*fCellStep ;
+ ps[2]=(-(relid[3]-1)%fNCellsZInStrip+fNCellsZInStrip/2-0.5)*fCellStep ;
+
+ Int_t mod = relid[0] ;
+ const TGeoHMatrix * m2 = GetMatrixForStrip(mod, strip) ;
+ m2->LocalToMaster(ps,psC);
pos.SetXYZ(psC[0],psC[1],psC[2]) ;
+
}
else{
//first calculate position with respect to CPV plain
pos[2] = - ( fNumberOfCPVPadsZ /2. - column - 0.5 ) * fPadSizeZ ; // 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)){
- printf("Geo manager can not find path \n");
- abort();
- }
- TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
- if (m) m->LocalToMaster(ps,psC);
- else{
- printf("Geo matrixes are not loaded \n") ;
- abort() ;
- }
+ const TGeoHMatrix *m = GetMatrixForCPV(relid[0]) ;
+ m->LocalToMaster(ps,psC);
pos.SetXYZ(psC[0],psC[1],-psC[2]) ;
}
}
void AliPHOSGeoUtils::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)){
- printf("Geo manager can not find path \n");
- abort() ;
- }
Double_t posL[3]={x,-fCrystalShift,-z} ; //Only for EMC!!!
Double_t posG[3] ;
- TGeoHMatrix *mPHOS = gGeoManager->GetCurrentMatrix();
- if (mPHOS){
- mPHOS->LocalToMaster(posL,posG);
- }
- else{
- printf("Geo matrixes are not loaded \n") ;
- abort() ;
- }
+ const TGeoHMatrix *mPHOS = GetMatrixForModule(mod) ;
+ mPHOS->LocalToMaster(posL,posG);
globalPosition.SetXYZ(posG[0],posG[1],posG[2]) ;
}
//____________________________________________________________________________
//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) ;
- if (!gGeoManager->cd(path)){
- printf("Geo manager can not find path \n");
- abort() ;
+ const TGeoHMatrix *mPHOS = GetMatrixForModule(module) ;
+ if(mPHOS){
+ mPHOS->MasterToLocal(posG,posL);
+ localPosition.SetXYZ(posL[0],posL[1]+fCrystalShift,-posL[2]) ;
}
- TGeoHMatrix *mPHOS = gGeoManager->GetCurrentMatrix();
- if (mPHOS) mPHOS->MasterToLocal(posG,posL);
else{
- printf("Geo matrixes are not loaded \n") ;
- abort() ;
+ localPosition.SetXYZ(999.,999.,999.) ; //module does not exist in given configuration
}
- localPosition.SetXYZ(posL[0],posL[1]+fCrystalShift,-posL[2]) ;
}
//____________________________________________________________________________
//returns false if x,z coordinates are beyond PHOS
//distande to PHOS surface is NOT calculated
TVector3 loc ;
- for(Int_t mod=1; mod<fNModules; mod++){
+ for(Int_t mod=1; mod<=fNModules; mod++){
Global2Local(loc,global,mod) ;
//If in Acceptance
if((TMath::Abs(loc.Z())<fXtlArrSize[2]) && (TMath::Abs(loc.X())<fXtlArrSize[0])){
// emitted in the vertex vtx[3] with direction theta and phi in the ALICE global coordinate system
TVector3 v(vtx[0],vtx[1],vtx[2]) ;
- if (!gGeoManager){
- printf("Geo manager not initialized\n");
- abort() ;
- return kFALSE ;
- }
-
for(Int_t imod=1; imod<=fNModules ; imod++){
//create vector from (0,0,0) to center of crystal surface of imod module
Double_t tmp[3]={0.,-fCrystalShift,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)){
- printf("Geo manager can not find path \n");
- abort() ;
- return kFALSE ;
- }
- TGeoHMatrix *m = gGeoManager->GetCurrentMatrix();
+ const TGeoHMatrix *m = GetMatrixForModule(imod) ;
+ if(!m) //module does not exist in given configuration
+ continue ;
Double_t posG[3]={0.,0.,0.} ;
- if (m) m->LocalToMaster(tmp,posG);
+ m->LocalToMaster(tmp,posG);
TVector3 n(posG[0],posG[1],posG[2]) ;
Double_t direction=n.Dot(p) ;
if(direction<=0.)
return kFALSE ;
}
+//____________________________________________________________________________
+void AliPHOSGeoUtils::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
+ //Note that PHOS local system and ALICE global have opposite z directions
+ Global2Local(vInc,vtx,module) ;
+ vInc.SetXYZ(vInc.X()+x,vInc.Y(),vInc.Z()+z) ;
+}
//____________________________________________________________________________
-void AliPHOSGeoUtils::Init(void){
- //Reads geometry parameters from dedicated classes
+const TGeoHMatrix * AliPHOSGeoUtils::GetMatrixForModule(Int_t mod)const {
+ //Provides shift-rotation matrix for module mod
- AliPHOSEMCAGeometry emcGeom ;
+ //If GeoManager exists, take matrixes from it
+ if(gGeoManager){
+ char path[255] ;
+ snprintf(path,255,"/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1",mod) ;
+ // sprintf(path,"/ALIC_1/PHOS_%d",relid[0]) ;
+ if (!gGeoManager->cd(path)){
+ AliWarning(Form("Geo manager can not find path %s \n",path));
+ return 0;
+ }
+ return gGeoManager->GetCurrentMatrix();
+ }
+ if(fEMCMatrix[mod-1]){
+ return fEMCMatrix[mod-1] ;
+ }
+ else{
+ AliWarning("Can not find PHOS misalignment matrixes\n") ;
+ AliWarning("Either import TGeoManager from geometry.root or \n");
+ AliWarning("read stored matrixes from AliESD Header: \n") ;
+ AliWarning("AliPHOSGeoUtils::SetMisalMatrixes(header->GetPHOSMisalMatrix()) \n") ;
+ return 0 ;
+ }
+ return 0 ;
+}
+//____________________________________________________________________________
+const TGeoHMatrix * AliPHOSGeoUtils::GetMatrixForStrip(Int_t mod, Int_t strip)const {
+ //Provides shift-rotation matrix for strip unit of the module mod
- fNModules = 5;
- fNPhi = emcGeom.GetNPhi() ;
- fNZ = emcGeom.GetNZ() ;
- fNCristalsInModule = fNPhi*fNZ ;
- fNCellsXInStrip= emcGeom.GetNCellsXInStrip() ;
- fNCellsZInStrip= emcGeom.GetNCellsZInStrip() ;
- fNStripZ = emcGeom.GetNStripZ() ;
- fXtlArrSize[0]=emcGeom.GetInnerThermoHalfSize()[0] ; //Wery close to the zise of the Xtl set
- fXtlArrSize[1]=emcGeom.GetInnerThermoHalfSize()[1] ; //Wery close to the zise of the Xtl set
- fXtlArrSize[2]=emcGeom.GetInnerThermoHalfSize()[2] ; //Wery close to the zise of the Xtl set
+ //If GeoManager exists, take matrixes from it
+ if(gGeoManager){
+ char path[255] ;
+ snprintf(path,255,"/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1/PSTR_%d",mod,strip) ;
+ if (!gGeoManager->cd(path)){
+ AliWarning(Form("Geo manager can not find path %s \n",path));
+ return 0 ;
+ }
+ return gGeoManager->GetCurrentMatrix();
+ }
+ if(fStripMatrix[mod-1][strip-1]){
+ return fStripMatrix[mod-1][strip-1] ;
+ }
+ else{
+ AliWarning("Can not find PHOS misalignment matrixes\n") ;
+ AliWarning("Either import TGeoManager from geometry.root or \n");
+ AliWarning("read stored matrixes from AliESD Header: \n") ;
+ AliWarning("AliPHOSGeoUtils::SetMisalMatrixes(header->GetPHOSMisalMatrix()) \n") ;
+ return 0 ;
+ }
+ return 0 ;
+}
+//____________________________________________________________________________
+const TGeoHMatrix * AliPHOSGeoUtils::GetMatrixForCPV(Int_t mod)const {
+ //Provides shift-rotation matrix for CPV of the module mod
+
+ //If GeoManager exists, take matrixes from it
+ if(gGeoManager){
+ char path[255] ;
+ //now apply possible shifts and rotations
+ snprintf(path,255,"/ALIC_1/PHOS_%d/PCPV_1",mod) ;
+ if (!gGeoManager->cd(path)){
+ AliWarning(Form("Geo manager can not find path %s \n",path));
+ return 0 ;
+ }
+ return gGeoManager->GetCurrentMatrix();
+ }
+ if(fCPVMatrix[mod-1]){
+ return fCPVMatrix[mod-1] ;
+ }
+ else{
+ AliWarning("Can not find PHOS misalignment matrixes\n") ;
+ AliWarning("Either import TGeoManager from geometry.root or \n");
+ AliWarning("read stored matrixes from AliESD Header: \n") ;
+ AliWarning("AliPHOSGeoUtils::SetMisalMatrixes(header->GetPHOSMisalMatrix()) \n") ;
+ return 0 ;
+ }
+ return 0 ;
+}
+//____________________________________________________________________________
+const TGeoHMatrix * AliPHOSGeoUtils::GetMatrixForPHOS(Int_t mod)const {
+ //Provides shift-rotation matrix for PHOS (EMC+CPV)
+
+ //If GeoManager exists, take matrixes from it
+ if(gGeoManager){
+
+ char path[255] ;
+ snprintf(path,255,"/ALIC_1/PHOS_%d",mod) ;
+
+ if (!gGeoManager->cd(path)){
+ AliWarning(Form("Geo manager can not find path %s \n",path));
+ return 0 ;
+ }
+ return gGeoManager->GetCurrentMatrix();
+ }
+ if(fPHOSMatrix[mod-1]){
+ return fPHOSMatrix[mod-1] ;
+ }
+ else{
+ AliWarning("Can not find PHOS misalignment matrixes\n") ;
+ AliWarning("Either import TGeoManager from geometry.root or \n");
+ AliWarning("read stored matrixes from AliESD Header: \n") ;
+ AliWarning("AliPHOSGeoUtils::SetMisalMatrixes(header->GetPHOSMisalMatrix()) \n") ;
+ return 0 ;
+ }
+ return 0 ;
+}
+//____________________________________________________________________________
+void AliPHOSGeoUtils::SetMisalMatrix(const TGeoHMatrix * m, Int_t mod){
+ //Fills pointers to geo matrixes
+
+ if(fPHOSMatrix[mod]){ //have been set already. Can not be changed any more
+ return ;
+ }
+ if(m==NULL) //Matrix for non-existing modules? Remain zero, no need to re-set
+ return ;
+ fPHOSMatrix[mod]= new TGeoHMatrix(*m) ;
+
+ //Calculate maxtrices for PTII
+ if(!fMisalArray)
+ fMisalArray = new TClonesArray("TGeoHMatrix",1120+10) ;
+ Int_t nr = fMisalArray->GetEntriesFast() ;
+ Double_t rotEMC[9]={1.,0.,0.,0.,0.,-1.,0.,1.,0.} ;
+ const Float_t * inthermo = fGeometryEMCA->GetInnerThermoHalfSize() ;
+ const Float_t * strip = fGeometryEMCA->GetStripHalfSize() ;
+ const Float_t * covparams = fGeometryEMCA->GetAlCoverParams() ;
+ const Float_t * warmcov = fGeometryEMCA->GetWarmAlCoverHalfSize() ;
+ Float_t z = fGeometryCPV->GetCPVBoxSize(1) / 2. - warmcov[2] + covparams[3]-inthermo[1] ;
+ Double_t locTII[3]={0.,0.,z} ;
+ Double_t globTII[3] ;
+
+ if (fEMCMatrix[mod] == NULL)
+ fEMCMatrix[mod] = new((*fMisalArray)[nr])TGeoHMatrix() ;
+ nr++ ;
+ fEMCMatrix[mod]->SetRotation(rotEMC) ;
+ fEMCMatrix[mod]->MultiplyLeft(fPHOSMatrix[mod]) ;
+ fPHOSMatrix[mod]->LocalToMaster(locTII,globTII) ;
+ fEMCMatrix[mod]->SetTranslation(globTII) ;
+
+ //Now calculate ideal matrixes for strip misalignment.
+ //For the moment we can not store them in ESDHeader
+
+ Double_t loc[3]={0.,inthermo[1] - strip[1],0.} ;
+ Double_t glob[3] ;
+
+ Int_t istrip=0 ;
+ for(Int_t irow = 0; irow < fGeometryEMCA->GetNStripX(); irow ++){
+ loc[0] = (2*irow + 1 - fGeometryEMCA->GetNStripX())* strip[0] ;
+ for(Int_t icol = 0; icol < fGeometryEMCA->GetNStripZ(); icol ++){
+ loc[2] = (2*icol + 1 - fGeometryEMCA->GetNStripZ()) * strip[2] ;
+ fEMCMatrix[mod]->LocalToMaster(loc,glob) ;
+ if (fStripMatrix[mod][istrip] == NULL)
+ fStripMatrix[mod][istrip] = new((*fMisalArray)[nr])TGeoHMatrix(*(fEMCMatrix[mod])) ; //Use same rotation as PHOS module
+ nr++ ;
+ fStripMatrix[mod][istrip]->SetTranslation(glob) ;
+ istrip++;
+ }
+ }
+
+ //Now calculate CPV matrixes
+ const Float_t * emcParams = fGeometryEMCA->GetEMCParams() ;
+ Double_t globCPV[3] ;
+ Double_t locCPV[3]={0.,0.,- emcParams[3]} ;
+ Double_t rot[9]={1.,0.,0.,0.,0.,1.,0.,-1.,0.} ;
+
+ if (fCPVMatrix[mod] == NULL)
+ fCPVMatrix[mod] = new((*fMisalArray)[nr])TGeoHMatrix() ;
+ nr++ ;
+ fCPVMatrix[mod]->SetRotation(rot) ;
+ fCPVMatrix[mod]->MultiplyLeft(fPHOSMatrix[mod]) ;
+ fCPVMatrix[mod]->ReflectY(kFALSE) ;
+ fPHOSMatrix[mod]->LocalToMaster(locCPV,globCPV) ;
+ fCPVMatrix[mod]->SetTranslation(globCPV) ;
- //calculate offset to crystal surface
- Float_t * inthermo = emcGeom.GetInnerThermoHalfSize() ;
- Float_t * strip = emcGeom.GetStripHalfSize() ;
- Float_t* splate = emcGeom.GetSupportPlateHalfSize();
- Float_t * crystal = emcGeom.GetCrystalHalfSize() ;
- Float_t * pin = emcGeom.GetAPDHalfSize() ;
- Float_t * preamp = emcGeom.GetPreampHalfSize() ;
- fCrystalShift=-inthermo[1]+strip[1]+splate[1]+crystal[1]-emcGeom.GetAirGapLed()/2.+pin[1]+preamp[1] ;
- fCryCellShift=crystal[1]-(emcGeom.GetAirGapLed()-2*pin[1]-2*preamp[1])/2;
- fCellStep = 2.*emcGeom.GetAirCellHalfSize()[0] ;
-
- AliPHOSCPVGeometry cpvGeom ;
-
- fNumberOfCPVPadsPhi = cpvGeom.GetNumberOfCPVPadsPhi() ;
- fNumberOfCPVPadsZ = cpvGeom.GetNumberOfCPVPadsZ() ;
- fPadSizePhi = cpvGeom.GetCPVPadSizePhi() ;
- fPadSizeZ = cpvGeom.GetCPVPadSizeZ() ;
- fCPVBoxSizeY= cpvGeom.GetCPVBoxSize(1) ;
}
+