* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
//_________________________________________________________________________
// Class for the management by the Emc reconstruction.
-//
+////
//*-- Author : Boris Polichtchouk (IHEP, Protvino) 6 Mar 2001
//
// --- ROOT system ---
-// --- Standard library ---
+#include <TMath.h>
-#include <iostream.h>
+// --- Standard library ---
// --- AliRoot header files ---
#include "AliPHOSRecEmcManager.h"
-#include "AliPHOS.h"
-#include "AliRun.h"
ClassImp(AliPHOSRecEmcManager)
//____________________________________________________________________________
- AliPHOSRecEmcManager::AliPHOSRecEmcManager()
+AliPHOSRecEmcManager::AliPHOSRecEmcManager():
+ fOneGamChisqCut(1.3f),
+ fOneGamInitialStep(0.00005f),
+ fOneGamChisqMin(1.f),
+ fOneGamStepMin(0.0005f),
+ fOneGamNumOfIterations(50),
+ fTwoGamInitialStep(0.00005f),
+ fTwoGamChisqMin(1.f),
+ fTwoGamEmin(0.1f),
+ fTwoGamStepMin(0.00005),
+ fTwoGamNumOfIterations(50),
+ fThr0(0.f),
+ fSqdCut(0.f)
{
-
-// fOneGamChisqCut = 3.;
- fOneGamChisqCut = 1.3; // bvp 31.08.2001
-
- fOneGamInitialStep = 0.00005;
- fOneGamChisqMin = 1.;
- fOneGamStepMin = 0.0005;
- fOneGamNumOfIterations = 50;
-
- fTwoGamInitialStep = 0.00005;
- fTwoGamChisqMin = 1.;
- fTwoGamEmin = 0.1;
- fTwoGamStepMin = 0.00005;
- fTwoGamNumOfIterations = 50;
-
-// fThr0 = 0.6;
- fThr0 = 0.;
-// fSqdCut = 3.;
-// fSqdCut = 0.5; // bvp 31.08.2001
- fSqdCut = 0.;
-
+ // default ctor
SetTitle("Emc Reconstruction Manager");
-
}
AliPHOSRecEmcManager::~AliPHOSRecEmcManager(void) {}
-Float_t AliPHOSRecEmcManager::Dispersion(Float_t Etot, Float_t Ai, Float_t Ei)
+Float_t AliPHOSRecEmcManager::Dispersion(Float_t ei) const
{
//"Dispresion" of energy deposition in the cell.
- // Etot is the total shower energy, Ai is the
+ // eTot is the total shower energy, ai is the
// calculated cell response,
- // Ei is the measured cell response.
+ // ei is the measured cell response.
- return Ei;
+ return ei;
}
-Float_t AliPHOSRecEmcManager::OneGamChi2(Float_t Ai, Float_t Ei, Float_t Etot, Float_t& Gi)
+Float_t AliPHOSRecEmcManager::OneGamChi2(Float_t ai, Float_t ei, Float_t, Float_t& gi) const
{
// Chi2 used in OneGam (one-gamma fitting).
- // Gi is d(Chi2)/d(Ai).
+ // gi is d(Chi2)/d(ai).
- Float_t da = Ai - Ei;
- Float_t D = Ei; // we assume that sigma(E) = sqrt(E)
- Gi = 2.*(Ai-Ei)/D;
+ Float_t da = ai - ei;
+ Float_t d = ei; // we assume that sigma(E) = sqrt(E)
+ gi = 2.*(ai-ei)/d;
- return da*da/D;
+ return da*da/d;
}
-Float_t AliPHOSRecEmcManager::TwoGamChi2(Float_t Ai, Float_t Ei, Float_t Etot, Float_t& Gi)
+Float_t AliPHOSRecEmcManager::TwoGamChi2(Float_t ai, Float_t ei, Float_t, Float_t& gi) const
{
+ // calculates chi^2
+ Float_t da = ai - ei;
+ Float_t d = ei; // we assume that sigma(E) = sqrt(E)
+ gi = 2.*(ai-ei)/d;
- Float_t da = Ai - Ei;
- Float_t D = Ei; // we assume that sigma(E) = sqrt(E)
- Gi = 2.*(Ai-Ei)/D;
-
- return da*da/D;
+ return da*da/d;
}
-void AliPHOSRecEmcManager::AG(Float_t Ei, Float_t Xi, Float_t Yi, Float_t& Ai, Float_t& GXi, Float_t& GYi )
+void AliPHOSRecEmcManager::AG(Float_t ei, Float_t xi, Float_t yi, Float_t& ai, Float_t& gxi, Float_t& gyi )
{
- //Calculates amplitude (Ai) and gradients (GXi, GYi) of CPV pad response.
+ //Calculates amplitude (ai) and gradients (gxi, gyi) of CPV pad response.
//Integrated response (total "shower energy") is E,
- //Xi and Yi are the distances along x and y from reference point
+ //xi and yi are the distances along x and y from reference point
// to the pad center.
//Shape of the shower is from PHOS TDR.
- Float_t r = TMath::Sqrt(Xi*Xi + Yi*Yi);
+ Float_t r = TMath::Sqrt(xi*xi + yi*yi);
Float_t r4 = r*r*r*r ;
Float_t r295 = TMath::Power(r, 2.95) ;
- Float_t shape = Ei*TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ;
- Ai = shape;
+ Float_t shape = ei*TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ;
+ ai = shape;
- //d(shape)/d(Xi)
- GXi = (-(TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),2)*
- ((-0.006077944*Xi*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),
+ //d(shape)/d(xi)
+ gxi = (-(TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),2)*
+ ((-0.006077944*xi*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),
0.4750000000000001))/
- TMath::Power(1 + 0.0652*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),1.475),2) -
- (1.04*Xi*(TMath::Power(Xi,2) + TMath::Power(Yi,2)))/
- TMath::Power(2.32 + 0.26*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),2),2))) -
- 4*Xi*(TMath::Power(Xi,2) + TMath::Power(Yi,2))*
- (0.0316/(1 + 0.0652*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),1.475)) +
- 1./(2.32 + 0.26*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),2))))/
- TMath::Power(TMath::E(),TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),2)*
- (0.0316/(1 + 0.0652*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),1.475)) +
- 1./(2.32 + 0.26*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),2))));
+ TMath::Power(1 + 0.0652*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),1.475),2) -
+ (1.04*xi*(TMath::Power(xi,2) + TMath::Power(yi,2)))/
+ TMath::Power(2.32 + 0.26*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),2),2))) -
+ 4*xi*(TMath::Power(xi,2) + TMath::Power(yi,2))*
+ (0.0316/(1 + 0.0652*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),1.475)) +
+ 1./(2.32 + 0.26*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),2))))/
+ TMath::Power(TMath::E(),TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),2)*
+ (0.0316/(1 + 0.0652*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),1.475)) +
+ 1./(2.32 + 0.26*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),2))));
- GXi = GXi*Ei;
+ gxi = gxi*ei;
- //d(shape)/d(Yi)
- GYi = (-(TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),2)*
- ((-0.006077944*Yi*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),
+ //d(shape)/d(yi)
+ gyi = (-(TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),2)*
+ ((-0.006077944*yi*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),
0.4750000000000001))/
- TMath::Power(1 + 0.0652*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),1.475),2) -
- (1.04*Yi*(TMath::Power(Xi,2) + TMath::Power(Yi,2)))/
- TMath::Power(2.32 + 0.26*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),2),2))) -
- 4*Yi*(TMath::Power(Xi,2) + TMath::Power(Yi,2))*
- (0.0316/(1 + 0.0652*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),1.475)) +
- 1./(2.32 + 0.26*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),2))))/
- TMath::Power(TMath::E(),TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),2)*
- (0.0316/(1 + 0.0652*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),1.475)) +
- 1./(2.32 + 0.26*TMath::Power(TMath::Power(Xi,2) + TMath::Power(Yi,2),2))));
-
-
- GYi = GYi*Ei;
+ TMath::Power(1 + 0.0652*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),1.475),2) -
+ (1.04*yi*(TMath::Power(xi,2) + TMath::Power(yi,2)))/
+ TMath::Power(2.32 + 0.26*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),2),2))) -
+ 4*yi*(TMath::Power(xi,2) + TMath::Power(yi,2))*
+ (0.0316/(1 + 0.0652*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),1.475)) +
+ 1./(2.32 + 0.26*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),2))))/
+ TMath::Power(TMath::E(),TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),2)*
+ (0.0316/(1 + 0.0652*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),1.475)) +
+ 1./(2.32 + 0.26*TMath::Power(TMath::Power(xi,2) + TMath::Power(yi,2),2))));
+
+
+ gyi = gyi*ei;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff