Event selection on histos
User calls
- preplist(px,py), (px, py are function pointers)
creates scatter plot using px,py
implementer: loops over tree
- calculate x=px(),y=py()
- test cut->IsInside(x,y)
- if yes, enter into eventlist
show selected events when pushing ‘ events ’-button
Tree->Draw(« >>evlist »,px,py,cut)