+ Int_t fNTrackPoints;//number of track points
+ Float_t fdR;//spacing between points (along radius) in cm
+
+ Int_t fNClustMin;//Number of clusters min value
+ Int_t fNClustMax;//Number of clusters max value
+
+ Float_t fNChi2PerClustMin;//Chi^2 per number of clusters min value
+ Float_t fNChi2PerClustMax;//Chi^2 per number of clusters max value
+
+ Float_t fC00Min;//C00 (0th diagonal element of covariance matrix) min value
+ Float_t fC00Max;//C00 (0th diagonal element of covariance matrix) max value
+
+ Float_t fC11Min;//C11 (1th diagonal element of covariance matrix) min value
+ Float_t fC11Max;//C11 (1th diagonal element of covariance matrix) max value