#include "TRotation.h"
#include "TParticle.h"
#include <TGeoManager.h>
+#include <TGeoMatrix.h>
// --- Standard library ---
fAngle(0.f),
fPHOSAngle(0),
fIPtoUpperCPVsurface(0),
+ fCrystalShift(0),
+ fCryCellShift(0),
fRotMatrixArray(0),
fGeometryEMCA(0),
fGeometryCPV(0),
fAngle(rhs.fAngle),
fPHOSAngle(0),
fIPtoUpperCPVsurface(rhs.fIPtoUpperCPVsurface),
+ fCrystalShift(rhs.fCrystalShift),
+ fCryCellShift(rhs.fCryCellShift),
fRotMatrixArray(0),
fGeometryEMCA(0),
fGeometryCPV(0),
fAngle(0.f),
fPHOSAngle(0),
fIPtoUpperCPVsurface(0),
+ fCrystalShift(0),
+ fCryCellShift(0),
fRotMatrixArray(0),
fGeometryEMCA(0),
fGeometryCPV(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 ;
fPHOSParams[3] = emcParams[3] + fGeometryCPV->GetCPVBoxSize(1)/2. ;
fIPtoUpperCPVsurface = fGeometryEMCA->GetIPtoOuterCoverDistance() - fGeometryCPV->GetCPVBoxSize(1) ;
-
+
+ //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() ;
+ 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()
}
//____________________________________________________________________________
-Bool_t AliPHOSGeometry::AbsToRelNumbering(Int_t AbsId, Int_t * relid) const
+Bool_t AliPHOSGeometry::AbsToRelNumbering(Int_t absId, Int_t * relid) const
{
// Converts the absolute numbering into the following array
// relid[0] = PHOS Module number 1:fNModules
// relid[3] = Column number inside a PHOS module
Bool_t rv = kTRUE ;
- Float_t id = AbsId ;
+ Float_t id = absId ;
Int_t phosmodulenumber = (Int_t)TMath:: Ceil( id / GetNCristalsInModule() ) ;
}
return rv ;
}
+//____________________________________________________________________________
+void AliPHOSGeometry::GetGlobal(const AliRecPoint* , TVector3 & ) const
+{
+ 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) ;
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] ;
+// sprintf(path,"/ALIC_1/PHOS_%d",tmpPHOS->GetPHOSMod()) ;
+ dy=fCrystalShift ;
}
else{
sprintf(path,"/ALIC_1/PHOS_%d/PCPV_1",tmpPHOS->GetPHOSMod()) ;
dy= GetCPVBoxSize(1)/2. ; //center of CPV module
}
Double_t pos[3]={gpos.X(),gpos.Y()-dy,gpos.Z()} ;
+ 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);
+ 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]) ;
+ gpos.SetXYZ(posC[0],posC[1],posC[2]) ;
}
//____________________________________________________________________________
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.} ;
+ 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) ;
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]) ;
+ TVector3 n(posG[0],posG[1],posG[2]) ;
Double_t direction=n.Dot(p) ;
if(direction<=0.)
continue ; //momentum directed FROM module
moduleNumber = imod ;
z=n.Z() ;
x=TMath::Sign(n.Pt(),n.X()) ;
+ //no need to return to local system since we calcilated distance from module center
+ //and tilts can not be significant.
return ;
}
}
}
//____________________________________________________________________________
-Bool_t AliPHOSGeometry::RelToAbsNumbering(const Int_t * relid, Int_t & AbsId) const
+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
+ // absId = from 1 to fNModules * fNPhi * fNZ
// CPV pad:
- // AbsId = from N(total PHOS crystals) + 1
+ // 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 =
+ 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
+ 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
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 ps[3]= {0.0,-fCryCellShift,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() ;
+ Int_t nCellsXInStrip=fGeometryEMCA->GetNCellsXInStrip() ;
+ Int_t nCellsZInStrip=fGeometryEMCA->GetNCellsZInStrip() ;
+ Int_t strip=1+((Int_t) TMath::Ceil((Double_t)relid[2]/nCellsXInStrip))*fGeometryEMCA->GetNStripZ()-
+ (Int_t) TMath::Ceil((Double_t)relid[3]/nCellsZInStrip) ;
+ Int_t cellraw= relid[3]%nCellsZInStrip ;
+ if(cellraw==0)cellraw=nCellsZInStrip ;
+ Int_t cell= ((relid[2]-1)%nCellsXInStrip)*nCellsZInStrip + 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)){
else{
AliFatal("Geo matrixes are not loaded \n") ;
}
- pos.SetXYZ(psC[0],psC[1],-psC[2]) ;
+ pos.SetXYZ(psC[0],psC[1],psC[2]) ;
}
else{
//first calculate position with respect to CPV plain
}
//____________________________________________________________________________
-void AliPHOSGeometry::RelPosToAbsId(Int_t module, Double_t x, Double_t z, Int_t & AbsId) const
+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
if (!gGeoManager){
AliFatal("Geo manager not initialized\n");
}
- Int_t relid[4] ;
+ Double_t posL[3]={x,-fCrystalShift,-z} ; //Only for EMC!!!
+ Double_t posG[3] ;
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");
+ AliFatal("Geo manager can not find path \n");
+ }
+ TGeoHMatrix *mPHOS = gGeoManager->GetCurrentMatrix();
+ if (mPHOS){
+ mPHOS->LocalToMaster(posL,posG);
}
- 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]) ;
+
+ Int_t relid[4] ;
+ gGeoManager->FindNode(posG[0],posG[1],posG[2]) ;
//Check that path contains PSTR and extract strip number
TString cpath(gGeoManager->GetPath()) ;
Int_t indx = cpath.Index("PCEL") ;
if(relid[3]<1)relid[3]=1 ;
if(relid[2]>GetNPhi())relid[2]=GetNPhi() ;
if(relid[3]>GetNZ())relid[3]=GetNZ() ;
+ RelToAbsNumbering(relid,absId) ;
}
else{
Int_t indx2 = cpath.Index("/",indx) ;
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 ;
+
+ Int_t row = fGeometryEMCA->GetNStripZ() - (iStrip - 1) % (fGeometryEMCA->GetNStripZ()) ;
+ Int_t col = (Int_t) TMath::Ceil((Double_t) iStrip/(fGeometryEMCA->GetNStripZ())) -1 ;
+
+ // Absid for 8x2-strips. Looks nice :)
+ absId = (module-1)*GetNCristalsInModule() +
+ row * 2 + (col*fGeometryEMCA->GetNCellsXInStrip() + (icell - 1) / 2)*GetNZ() - (icell & 1 ? 1 : 0);
+
}
- RelToAbsNumbering(relid,AbsId) ;
}
//____________________________________________________________________________
// 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 pos[3]= {0.0,-fCryCellShift,0.}; //Position incide the crystal
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() ;
+ Int_t nCellsXInStrip=fGeometryEMCA->GetNCellsXInStrip() ;
+ Int_t nCellsZInStrip=fGeometryEMCA->GetNCellsZInStrip() ;
+// Int_t strip=1+(relid[3]-1)/fGeometryEMCA->GetNCellsZInStrip()+((relid[2]-1)/nCellsInStrip)*fGeometryEMCA->GetNStripZ() ;
+ Int_t strip=1+((Int_t) TMath::Ceil((Double_t)relid[2]/nCellsXInStrip))*fGeometryEMCA->GetNStripZ()-
+ (Int_t) TMath::Ceil((Double_t)relid[3]/nCellsZInStrip) ;
+ Int_t cellraw= relid[3]%nCellsZInStrip ;
+ if(cellraw==0)cellraw=nCellsZInStrip ;
+ Int_t cell= ((relid[2]-1)%nCellsXInStrip)*nCellsZInStrip + 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)){
else{
AliFatal("Geo matrixes are not loaded \n") ;
}
+ // printf("Local: x=%f, y=%f, z=%f \n",pos[0],pos[1],pos[2]) ;
+ // printf(" gl: x=%f, y=%f, z=%f \n",posC[0],posC[1],posC[2]) ;
//Return to PHOS local system
Double_t posL[3]={posC[0],posC[1],posC[2]};
- sprintf(path,"/ALIC_1/PHOS_%d",relid[0]) ;
+ 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)){
AliFatal("Geo manager can not find path \n");
}
else{
AliFatal("Geo matrixes are not loaded \n") ;
}
+//printf("RelPosInMod: posL=[%f,%f,%f]\n",posL[0],posL[1],posL[2]) ;
//printf("old: x=%f, z=%f \n",x,z);
x=posL[0] ;
- z=-posL[1];
-//printf("Geo: x=%f, z=%f \n",x,z);
+ z=-posL[2];
return ;
}
else{//CPV
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
+ // x = - ( GetNumberOfCPVPadsPhi()/2. - row - 0.5 ) * GetPadSizePhi() ; // position of pad with respect
+ // z = - ( GetNumberOfCPVPadsZ() /2. - column - 0.5 ) * GetPadSizeZ() ; // of center of PHOS module
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)){
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",module) ;
+ 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");
}
else{
AliFatal("Geo matrixes are not loaded \n") ;
}
- localPosition.SetXYZ(posL[0],posL[1],posL[2]) ;
+ localPosition.SetXYZ(posL[0],posL[1]+fCrystalShift,-posL[2]) ;
/*
Float_t angle = GetPHOSAngle(module); // (40,20,0,-20,-40) degrees
{
char path[100] ;
sprintf(path,"/ALIC_1/PHOS_%d/PEMC_1/PCOL_1/PTIO_1/PCOR_1/PAGA_1/PTII_1",mod) ;
+// sprintf(path,"/ALIC_1/PHOS_%d",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 posL[3]={x,-fCrystalShift,-z} ; //Only for EMC!!!
Double_t posG[3] ;
TGeoHMatrix *mPHOS = gGeoManager->GetCurrentMatrix();
- if (mPHOS) mPHOS->LocalToMaster(posL,posG);
+ if (mPHOS){
+ mPHOS->LocalToMaster(posL,posG);
+ }
else{
AliFatal("Geo matrixes are not loaded \n") ;
}
- globalPosition.SetXYZ(posG[0],posG[1],-posG[2]) ;
-
-
+ globalPosition.SetXYZ(posG[0],posG[1],posG[2]) ;
}
//____________________________________________________________________________
-void AliPHOSGeometry::GetIncidentVector(TVector3 &vtx, Int_t module, Float_t x,Float_t z, TVector3 &vInc) const {
+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
+ //Note that PHOS local system and ALICE global have opposite z directions
- TVector3 global ;
- Local2Global(module,x,z,global) ;
- global-=vtx ;
- Global2Local(vInc,global,module) ;
-
+ Global2Local(vInc,vtx,module) ;
+ vInc.SetXYZ(vInc.X()+x,vInc.Y(),vInc.Z()+z) ;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff