+ void SetTracksToDisplay(Int_t *tracks, Int_t n); // set tracks to display
+protected:
+ static const Float_t fgkPtCutMax; //Max Pt cut for the slider
+ static const Float_t fgkEtaCutMax; //Max eta cut for the slider
+ static const Int_t fgkMaxZooms; //Max number of zooms
+ Int_t fZoomMode; //=1 if in zoom mode
+ Bool_t fDrawAllViews; //Flag True if AllViews selected
+ Bool_t fDrawParticles; //Flag True if particles to be drawn
+ Bool_t fDrawHits; //Flag True if Hits to be drawn
+ Float_t fPTcut; //PT cut to display objects
+ Float_t fTheta; //Viewing angle theta
+ Float_t fPhi; //Viewing angle phi
+ Float_t fPsi; //Viewving angle psi (rotation on display)
+ Float_t fRrange; //Size of view in R
+ Float_t fZrange; //Size of view along Z
+ Float_t fZoomX0[20]; //Low x range of zoom number i
+ Float_t fZoomY0[20]; //Low y range of zoom number i
+ Float_t fZoomX1[20]; //High x range of zoom number i
+ Float_t fZoomY1[20]; //High y range of zoom number i
+ Int_t fZooms; //Number of zooms
+ Int_t fHitsCuts; //Number of hits surviving cuts
+ TCanvas *fCanvas; //Pointer to the display canvas
+ TPad *fTrigPad; //Pointer to the trigger pad
+ TPad *fCutPad; //Pointer to the momentum cut slider pad
+ TPad *fEtaPad; //Pointer to the rapidity cut slider pad
+ TPad *fButtons; //Pointer to the buttons pad
+ TPad *fPad; //Pointer to the event display main pad
+ TSlider *fCutSlider; //Momentum cut slider
+ TSlider *fEtaSlider; //Rapidity slider
+ TSlider *fRangeSlider; //Range slider
+ TButton *fPickButton; //Button to activate Pick mode
+ TButton *fZoomButton; //Button to activate Zoom mode
+ TArc *fArcButton; //Gren/Red button to show Pick/Zoom mode
+ TList *fFruits; //List for fruits
+
+ Int_t *fTracksToDisplay; // array of tracks to display
+ Int_t fNTracksToDisplay; // number of tracks to display