--- PamCut/CollectionActions/RefitTrackAction/RefitTrackAction.cpp	2010/06/03 14:14:15	1.1.2.3
+++ PamCut/CollectionActions/RefitTrackAction/RefitTrackAction.cpp	2010/07/08 14:00:14	1.2
@@ -11,13 +11,16 @@
 long int RefitTrackAction::_currEvent = -1;
 TString RefitTrackAction::_currTrkParamsFile = "";
 
+float RefitTrackAction::_xmBackup[6], RefitTrackAction::_ymBackup[6];
+int RefitTrackAction::_layerXBackup[6], RefitTrackAction::_layerYBackup[6];
+
 void RefitTrackAction::OnGood(PamLevel2 *event) {
 
   // Do something only if at least one track exists
   if (event->GetTrkLevel2()->GetNTracks() == 0)
     return;
 
-  // Reload the TRK parameters only if they have been changed (ie., if another instance of
+  // Reload the TRK alignment parameters only if they have been changed (ie., if another instance of
   // this class used a different set of parameters).
   if (_trkParamsFile != _currTrkParamsFile) {
     TrkParams::Set(_trkParamsFile, 5);
@@ -30,6 +33,14 @@
   if (!trkTrack)
     return;
 
+  // Check if good clusters have meaningful energy releases
+  for (UInt_t ip = 0; ip < 6; ip++) {
+    if (trkTrack->XGood(ip) == 1 && trkTrack->GetDEDX(ip, 0) <= 0.)
+      trkTrack->xgood[ip] = 0; // Set it to bad
+    if (trkTrack->YGood(ip) == 1 && trkTrack->GetDEDX(ip, 1) <= 0.)
+      trkTrack->ygood[ip] = 0; // Set it to bad
+  }
+
   if (_currEvent != event->GetReadEntry()) {
     // Saves the original track data if the current event (recorded in the static member _currEvent) is
     // different from the actually processed event. This way, multiple instances of the class
@@ -56,6 +67,7 @@
   }
 
   // Apply the gaussian spread
+
   for (Int_t ip = 0; ip < 6; ip++) {
     // gaussian distributed random number Gauss(mean,sigma) (in cm)
     trkTrack->xm[ip] += _r3->Gaus(0., _spreadX);