1-D histogram with a float per channel (see TH1 documentation)}
TH1 is the base class of all histogram classes in ROOT.
This class displays a legend box (TPaveText) containing several legend entries.
TLegendEntry * AddEntry(const TObject *obj, const char *label="", Option_t *option="lpf")
Add a new entry to this legend.
virtual void Draw(Option_t *option="")
Draw this legend with its current attributes.
Mother of all ROOT objects.