TRestEveEventViewer: the blank canvas window is gone now

source/events/viewers/inc/TRestEveEventViewer.h

@@ -67,15 +67,19 @@ class TRestEveEventViewer : public TRestEventViewer {
 
     Double_t fMinRadius;
     Double_t fMaxRadius;
-
+    
    public:
     virtual void Initialize();
 
+    virtual void Embed(TBrowser* b) {}
+
     virtual void DeleteCurrentEvent();
     void DeleteGeometry();
 
     virtual void AddEvent(TRestEvent* ev) = 0;
 
+    virtual void Plot(const char* option) {}
+
     void AddSphericalHit(double x, double y, double z, double radius, double en);
 
     void MultiView();