// --- ROOT system ---
-#include "TPad.h"
#include "TH2.h"
#include "TMath.h"
#include "TCanvas.h"
+#include "TGraph.h"
// --- Standard library ---
// --- AliRoot header files ---
-
- #include "AliGenerator.h"
+#include "AliPHOSLoader.h"
+#include "AliGenerator.h"
#include "AliPHOSGeometry.h"
+#include "AliPHOSDigit.h"
#include "AliPHOSEmcRecPoint.h"
-#include "AliRun.h"
-#include "AliPHOSGetter.h"
-
+
ClassImp(AliPHOSEmcRecPoint)
//____________________________________________________________________________
fNExMax = 0 ; //Not unfolded yet
fTime = -1. ;
fLocPos.SetX(1000000.) ; //Local position should be evaluated
+ fDebug=0;
}
fEnergyList = 0 ;
fTime = -1. ;
fLocPos.SetX(1000000.) ; //Local position should be evaluated
+ fDebug=0;
}
+//____________________________________________________________________________
+AliPHOSEmcRecPoint::AliPHOSEmcRecPoint(const AliPHOSEmcRecPoint & rp) : AliPHOSRecPoint(rp)
+{
+ // cpy ctor
+
+ fMulDigit = rp.fMulDigit ;
+ fAmp = rp.fAmp ;
+ fCoreEnergy = rp.fCoreEnergy ;
+ fEnergyList = new Float_t[rp.fMulDigit] ;
+ Int_t index ;
+ for(index = 0 ; index < fMulDigit ; index++)
+ fEnergyList[index] = rp.fEnergyList[index] ;
+ fNExMax = rp.fNExMax ;
+ fTime = rp.fTime ;
+}
+
//____________________________________________________________________________
AliPHOSEmcRecPoint::~AliPHOSEmcRecPoint()
{
Bool_t aren = kFALSE ;
- AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
- AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
+ AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry();
Int_t relid1[4] ;
phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ;
return rv ;
}
//______________________________________________________________________________
-void AliPHOSEmcRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py) const
+void AliPHOSEmcRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t) const
{
// Execute action corresponding to one event
// If Left button is clicked on AliPHOSRecPoint, the digits are switched on
// and switched off when the mouse button is released.
-
- AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
- if(!gime) return ;
- AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
+
+ AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry();
static TGraph * digitgraph = 0 ;
TH2F * histo = 0 ;
TCanvas * histocanvas ;
+
+ //try to get run loader from default event folder
+ AliRunLoader* rn = AliRunLoader::GetRunLoader(AliConfig::fgkDefaultEventFolderName);
+ if (rn == 0x0)
+ {
+ Error("ExecuteEvent","Can not find Run Loader in Default Event Folder");
+ return;
+ }
+ AliPHOSLoader* gime = dynamic_cast<AliPHOSLoader*>(rn->GetLoader("PHOSLoader"));
+ if (gime == 0x0)
+ {
+ Error("ExecuteEvent","Can not find PHOS Loader from Run Loader");
+ return;
+ }
+
+
const TClonesArray * digits = gime->Digits() ;
switch (event) {
AliPHOSDigit * digit ;
- AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
- AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
-
+ AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry();
// Calculates the center of gravity in the local PHOS-module coordinates
AliPHOSDigit * digit ;
- AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
- AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
-
+ AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry();
+
Int_t iDigit;
// Calculates the center of gravity in the local PHOS-module coordinates
AliPHOSDigit * digit ;
- AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
- AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
+ AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry();
Int_t iDigit;
// //Apply correction due to non-perpendicular incidence
// Double_t CosX ;
// Double_t CosZ ;
-// AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
+// AliPHOSGetter * gime = AliPHOSGetter::Instance() ;
// AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
// Double_t DistanceToIP= (Double_t ) phosgeom->GetIPtoCrystalSurface() ;
fLambda[1]= 0. ;
}
+//____________________________________________________________________________
+void AliPHOSEmcRecPoint::EvalMoments(Float_t logWeight,TClonesArray * digits)
+{
+ // Calculate the shower moments in the eigen reference system
+ // M2x, M2z, M3x, M4z
+ // Calculate the angle between the shower position vector and the eigen vector
+
+ Double_t wtot = 0. ;
+ Double_t x = 0.;
+ Double_t z = 0.;
+ Double_t dxx = 0.;
+ Double_t dzz = 0.;
+ Double_t dxz = 0.;
+ Double_t lambda0=0, lambda1=0;
+
+ AliPHOSDigit * digit ;
+
+ AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry();
+
+ Int_t iDigit;
+
+ // 1) Find covariance matrix elements:
+ // || dxx dxz ||
+ // || dxz dzz ||
+
+ Float_t xi ;
+ Float_t zi ;
+ Int_t relid[4] ;
+ Double_t w;
+ for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ;
+ phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
+ phosgeom->RelPosInModule(relid, xi, zi);
+ w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
+ x += w * xi ;
+ z += w * zi ;
+ dxx += w * xi * xi ;
+ dzz += w * zi * zi ;
+ dxz += w * xi * zi ;
+ wtot += w ;
+ }
+ x /= wtot ;
+ z /= wtot ;
+ dxx /= wtot ;
+ dzz /= wtot ;
+ dxz /= wtot ;
+ dxx -= x * x ;
+ dzz -= z * z ;
+ dxz -= x * z ;
+
+ // 2) Find covariance matrix eigen values lambda0 and lambda1
+
+ lambda0 = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
+ lambda1 = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
+
+ // 3) Find covariance matrix eigen vectors e0 and e1
+
+ TVector2 e0,e1;
+ if (dxz != 0)
+ e0.Set(1.,(lambda0-dxx)/dxz);
+ else
+ e0.Set(0.,1.);
+
+ e0 = e0.Unit();
+ e1.Set(-e0.Y(),e0.X());
+
+ // 4) Rotate cluster tensor from (x,z) to (e0,e1) system
+ // and calculate moments M3x and M4z
+
+ Float_t cosPhi = e0.X();
+ Float_t sinPhi = e0.Y();
+
+ Float_t xiPHOS ;
+ Float_t ziPHOS ;
+ Double_t dx3, dz3, dz4;
+ wtot = 0.;
+ x = 0.;
+ z = 0.;
+ dxx = 0.;
+ dzz = 0.;
+ dxz = 0.;
+ dx3 = 0.;
+ dz3 = 0.;
+ dz4 = 0.;
+ for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ;
+ phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
+ phosgeom->RelPosInModule(relid, xiPHOS, ziPHOS);
+ xi = xiPHOS*cosPhi + ziPHOS*sinPhi;
+ zi = ziPHOS*cosPhi - xiPHOS*sinPhi;
+ w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
+ x += w * xi ;
+ z += w * zi ;
+ dxx += w * xi * xi ;
+ dzz += w * zi * zi ;
+ dxz += w * xi * zi ;
+ dx3 += w * xi * xi * xi;
+ dz3 += w * zi * zi * zi ;
+ dz4 += w * zi * zi * zi * zi ;
+ wtot += w ;
+ }
+ x /= wtot ;
+ z /= wtot ;
+ dxx /= wtot ;
+ dzz /= wtot ;
+ dxz /= wtot ;
+ dx3 /= wtot ;
+ dz3 /= wtot ;
+ dz4 /= wtot ;
+ dx3 += -3*dxx*x + 2*x*x*x;
+ dz4 += -4*dz3*z + 6*dzz*z*z -3*z*z*z*z;
+ dxx -= x * x ;
+ dzz -= z * z ;
+ dxz -= x * z ;
+
+ // 5) Find an angle between cluster center vector and eigen vector e0
+
+ Float_t phi = TMath::ACos ((x*e0.X() + z*e0.Y()) / sqrt(x*x + z*z));
+
+ fM2x = lambda0;
+ fM2z = lambda1;
+ fM3x = dx3;
+ fM4z = dz4;
+ fPhixe = phi;
+
+}
//____________________________________________________________________________
void AliPHOSEmcRecPoint::EvalAll(Float_t logWeight, TClonesArray * digits )
{
EvalLocalPosition(logWeight, digits) ;
EvalElipsAxis(logWeight, digits) ;
+ EvalMoments(logWeight, digits) ;
EvalDispersion(logWeight, digits) ;
EvalCoreEnergy(logWeight, digits);
EvalTime(digits) ;
- AliPHOSRecPoint::EvalAll(logWeight,digits) ;
+ AliPHOSRecPoint::EvalAll(digits) ;
}
//____________________________________________________________________________
void AliPHOSEmcRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits)
AliPHOSDigit * digit ;
- AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
- AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
+ AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry();
Int_t iDigit;
fDigitsList = new (Int_t[fMulDigit]) ;
fEnergyList = new ( Float_t[fMulDigit]) ;
+ fAmp = 0.; //Recalculate total energy
for(Int_t iDigit=0;iDigit< fMulDigit ;iDigit++){
- fDigitsList[iDigit] = tempo[iDigit];
- fEnergyList[iDigit] = tempoE[iDigit] ;
+ fDigitsList[iDigit] = tempo[iDigit];
+ fEnergyList[iDigit] = tempoE[iDigit] ;
+ fAmp+=tempoE[iDigit];
}
delete [] tempo ;
}
//____________________________________________________________________________
-void AliPHOSEmcRecPoint::Print(Option_t * option) const
+void AliPHOSEmcRecPoint::Print(Option_t *) const
{
// Print the list of digits belonging to the cluster
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff