X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=FASTSIM%2FAliFastMuonTrackingAcc.cxx;h=dd5462ede07e2858d51ef76ddc8e7e3ca796fa56;hb=9a5c8f9cb846f64186c86a2d8533e9c0a0cbc97c;hp=7bad84ece91da9ad0a70881f32f68ada175242e1;hpb=803d1ab0e2c9c9a8116c05954c3d3cdcf1f33759;p=u%2Fmrichter%2FAliRoot.git

diff --git a/FASTSIM/AliFastMuonTrackingAcc.cxx b/FASTSIM/AliFastMuonTrackingAcc.cxx
index 7bad84ece91..dd5462ede07 100644
--- a/FASTSIM/AliFastMuonTrackingAcc.cxx
+++ b/FASTSIM/AliFastMuonTrackingAcc.cxx
@@ -15,6 +15,15 @@
 
 /* $Id$ */
 
+// Realisation of AliFastResponse for the
+// fast simulation of the muon spectrometer acceptance.
+// The acceptance depends on the muon 3-vector which can be passed as (pt, theta, phi), 
+// where pt is the transverse momentum, theta the polar angle and phi the azimuthal angle.
+// Author: Andreas Morsch
+// andreas.morsch@cern.ch 
+
+#include <TMath.h>
+
 #include "AliFastMuonTrackingAcc.h"
 #include "AliMUONFastTracking.h"
 
@@ -22,9 +31,22 @@ ClassImp(AliFastMuonTrackingAcc)
 
 
 AliFastMuonTrackingAcc::AliFastMuonTrackingAcc() :
-    AliFastResponse("Acceptance", "Muon Tracking Acceptance")
+    AliFastResponse("Acceptance", "Muon Tracking Acceptance"),
+    fBackground(1.),
+    fCharge(1.),
+    fFastTracking(0)
+{
+    // Default Constructor
+}
+
+AliFastMuonTrackingAcc::AliFastMuonTrackingAcc(const AliFastMuonTrackingAcc & acc)
+    :AliFastResponse(acc),
+     fBackground(1.),
+     fCharge(1.),
+     fFastTracking(0)
 {
-    SetBackground();
+// Copy constructor
+    acc.Copy(*this);
 }
 
 void AliFastMuonTrackingAcc::Init()
@@ -35,9 +57,17 @@ void AliFastMuonTrackingAcc::Init()
 
 
 
-Float_t AliFastMuonTrackingAcc::Evaluate(Float_t pt, Float_t theta, Float_t phi)
+Float_t AliFastMuonTrackingAcc::Evaluate(Float_t /*charge*/, Float_t pt, Float_t theta, Float_t phi)
 {
+// Evaluate the tracking acceptance for 3-vector pt, theta, phi
     Float_t p = pt / TMath::Sin(theta*TMath::Pi()/180.);
     Float_t eff =  fFastTracking->Acceptance(p, theta, phi, Int_t(fCharge));
     return eff;
 }
+
+AliFastMuonTrackingAcc& AliFastMuonTrackingAcc::operator=(const  AliFastMuonTrackingAcc& rhs)
+{
+// Assignment operator
+    rhs.Copy(*this);
+    return *this;
+}