added CountAcceptedTracks function

diff --git a/PWG0/esdTrackCuts/AliESDtrackCuts.cxx b/PWG0/esdTrackCuts/AliESDtrackCuts.cxx
index a993844..98ead8e 100644 (file)
--- a/PWG0/esdTrackCuts/AliESDtrackCuts.cxx
+++ b/PWG0/esdTrackCuts/AliESDtrackCuts.cxx
@@ -464,11 +464,11 @@ AliESDtrackCuts::GetAcceptedTracks(AliESD* esd)
   //
 
   TObjArray* acceptedTracks = new TObjArray();
-  
+
   // loop over esd tracks
   for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
     AliESDtrack* track = esd->GetTrack(iTrack);
-    
+
     if (AcceptTrack(track))
       acceptedTracks->Add(track);
   }
@@ -477,6 +477,27 @@ AliESDtrackCuts::GetAcceptedTracks(AliESD* esd)
 }
 
 //____________________________________________________________________
+Int_t
+AliESDtrackCuts::CountAcceptedTracks(AliESD* esd)
+{
+  //
+  // returns an the number of tracks that pass the cuts
+  //
+
+  Int_t count = 0;
+
+  // loop over esd tracks
+  for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
+    AliESDtrack* track = esd->GetTrack(iTrack);
+
+    if (AcceptTrack(track))
+      count++;
+  }
+
+  return count;
+}
+
+//____________________________________________________________________
  void AliESDtrackCuts::DefineHistograms(Int_t color) {
    // 
    // diagnostics histograms are defined

diff --git a/PWG0/esdTrackCuts/AliESDtrackCuts.h b/PWG0/esdTrackCuts/AliESDtrackCuts.h
index 38d7a13..47dc842 100644 (file)
--- a/PWG0/esdTrackCuts/AliESDtrackCuts.h
+++ b/PWG0/esdTrackCuts/AliESDtrackCuts.h
@@ -41,6 +41,7 @@ public:
 
   Bool_t AcceptTrack(AliESDtrack* esdTrack);
   TObjArray* GetAcceptedTracks(AliESD* esd);
+  Int_t CountAcceptedTracks(AliESD* esd);
 
   AliESDtrackCuts &operator=(const AliESDtrackCuts &c);
   virtual void Copy(TObject &c) const;