Hi Jan, Unfortunately, you do not indicate which version you are using. What you try to do works correctly in 3.02/07 or 3.03/07 Rene Brun On Tue, 13 Aug 2002, Jan Strube wrote: > Hi all, > > When I'm trying to use the command > > tree.Draw("value>>hvalue(100,0,20)"); > > to draw a tree with certain boundaries and number of bins, I don't get a > plot ! > What do I do wrong ? > > a hvalue.Print() works and shows that the histogram has been created ! > a hvalue.Draw() shows no result > > cheers > Jan > > ------------------------------------ > Jan F. Strube > Department of Physics > University of Oregon > office: WIL 412 > phone: (541) 346 - 0066 >
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