/* History of cvs commits:
*
* $Log$
+ * Revision 1.57 2007/04/05 10:18:58 policheh
+ * Introduced distance to nearest bad crystal.
+ *
+ * Revision 1.56 2007/03/06 06:47:28 kharlov
+ * DP:Possibility to use actual vertex position added
+ *
+ * Revision 1.55 2007/01/19 20:31:19 kharlov
+ * Improved formatting for Print()
+ *
* Revision 1.54 2006/08/28 10:01:56 kharlov
* Effective C++ warnings fixed (Timur Pocheptsov)
*
fCoreEnergy(0.), fDispersion(0.),
fEnergyList(0), fTime(-1.), fNExMax(0),
fM2x(0.), fM2z(0.), fM3x(0.), fM4z(0.),
- fPhixe(0.), fDebug(0)
+ fPhixe(0.), fDistToBadCrystal(-1),fDebug(0)
{
// ctor
fMulDigit = 0 ;
fCoreEnergy(0.), fDispersion(0.),
fEnergyList(0), fTime(-1.), fNExMax(0),
fM2x(0.), fM2z(0.), fM3x(0.), fM4z(0.),
- fPhixe(0.), fDebug(0)
+ fPhixe(0.), fDistToBadCrystal(-1), fDebug(0)
{
// ctor
fMulDigit = 0 ;
fCoreEnergy(rp.fCoreEnergy), fDispersion(rp.fDispersion),
fEnergyList(0), fTime(rp.fTime), fNExMax(rp.fNExMax),
fM2x(rp.fM2x), fM2z(rp.fM2z), fM3x(rp.fM3x), fM4z(rp.fM4z),
- fPhixe(rp.fPhixe), fDebug(rp.fDebug)
+ fPhixe(rp.fPhixe), fDistToBadCrystal(rp.fDistToBadCrystal), fDebug(rp.fDebug)
{
// cpy ctor
fMulDigit = rp.fMulDigit ;
}
//____________________________________________________________________________
-void AliPHOSEmcRecPoint::EvalDispersion(Float_t logWeight,TClonesArray * digits)
+void AliPHOSEmcRecPoint::EvalDispersion(Float_t logWeight,TClonesArray * digits, TVector3 &vInc)
{
// Calculates the dispersion of the shower at the origine of the RecPoint
-
+ //DP: should we correct dispersion for non-perpendicular hit????????
+
Float_t d = 0. ;
Float_t wtot = 0. ;
fDispersion = 0;
if (d>=0)
fDispersion = TMath::Sqrt(d) ;
+
}
//______________________________________________________________________________
// i.e. within a radius rad = 3cm around the center. Beyond this radius
// in accordance with shower profile the energy deposition
// should be less than 2%
+//DP: non-perpendicular incidence??????????????
Float_t coreRadius = 3 ;
fCoreEnergy += fEnergyList[iDigit] ;
}
+
}
//____________________________________________________________________________
-void AliPHOSEmcRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits)
+void AliPHOSEmcRecPoint::EvalElipsAxis(Float_t logWeight,TClonesArray * digits, TVector3 &vInc)
{
// Calculates the axis of the shower ellipsoid
// Double_t CosZ ;
// AliPHOSGetter * gime = AliPHOSGetter::Instance() ;
// AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
- // Double_t DistanceToIP= (Double_t ) phosgeom->GetIPtoCrystalSurface() ;
+// Double_t DistanceToIP= (Double_t ) phosgeom->GetIPtoCrystalSurface() ;
// CosX = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+x*x) ;
// CosZ = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+z*z) ;
}
//____________________________________________________________________________
-void AliPHOSEmcRecPoint::EvalMoments(Float_t logWeight,TClonesArray * digits)
+void AliPHOSEmcRecPoint::EvalMoments(Float_t logWeight,TClonesArray * digits, TVector3 &vInc)
{
// Calculate the shower moments in the eigen reference system
// M2x, M2z, M3x, M4z
//____________________________________________________________________________
void AliPHOSEmcRecPoint::EvalAll(Float_t logWeight, TClonesArray * digits )
{
- // Evaluates all shower parameters
- EvalLocalPosition(logWeight, digits) ;
- EvalElipsAxis(logWeight, digits) ;
- EvalMoments(logWeight, digits) ;
- EvalDispersion(logWeight, digits) ;
EvalCoreEnergy(logWeight, digits);
EvalTime(digits) ;
AliPHOSRecPoint::EvalAll(digits) ;
}
//____________________________________________________________________________
-void AliPHOSEmcRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits)
+void AliPHOSEmcRecPoint::EvalAll(Float_t logWeight, TVector3 &vtx, TClonesArray * digits )
+{
+ // Evaluates all shower parameters
+ TVector3 vInc ;
+ EvalLocalPosition(logWeight, vtx, digits,vInc) ;
+ EvalElipsAxis(logWeight, digits, vInc) ; //they are evaluated with momenta
+ EvalMoments(logWeight, digits, vInc) ;
+ EvalDispersion(logWeight, digits, vInc) ;
+}
+//____________________________________________________________________________
+void AliPHOSEmcRecPoint::EvalLocalPosition(Float_t logWeight, TVector3 &vtx, TClonesArray * digits, TVector3 &vInc)
{
// Calculates the center of gravity in the local PHOS-module coordinates
Float_t wtot = 0. ;
Float_t para = 0.925 ;
Float_t parb = 6.52 ;
- Float_t xo,yo,zo ; //Coordinates of the origin
- //We should check all 3 possibilities to avoid seg.v.
- if(gAlice && gAlice->GetMCApp() && gAlice->Generator())
- gAlice->Generator()->GetOrigin(xo,yo,zo) ;
- else{
- xo=yo=zo=0.;
- }
- Float_t phi = phosgeom->GetPHOSAngle(relid[0]) ;
+ phosgeom->GetIncidentVector(vtx,GetPHOSMod(),x,z,vInc) ;
- //Transform to the local ref.frame
- Float_t xoL,yoL ;
- xoL = xo*TMath::Cos(phi)-yo*TMath::Sin(phi) ;
- yoL = xo*TMath::Sin(phi)+yo*TMath::Cos(phi) ;
-
- Float_t radius = phosgeom->GetIPtoCrystalSurface()-yoL;
-
- Float_t incidencephi = TMath::ATan((x-xoL ) / radius) ;
- Float_t incidencetheta = TMath::ATan((z-zo) / radius) ;
-
Float_t depthx = 0.;
Float_t depthz = 0.;
- if (fAmp>0) {
- depthx = ( para * TMath::Log(fAmp) + parb ) * TMath::Sin(incidencephi) ;
- depthz = ( para * TMath::Log(fAmp) + parb ) * TMath::Sin(incidencetheta) ;
+ if (fAmp>0&&vInc.Y()!=0.) {
+ depthx = ( para * TMath::Log(fAmp) + parb ) * vInc.X()/TMath::Abs(vInc.Y()) ;
+ depthz = ( para * TMath::Log(fAmp) + parb ) * vInc.Z()/TMath::Abs(vInc.Y()) ;
}
else
AliError(Form("Wrong amplitude %f\n", fAmp));