Hello, It seems that such commands does not apply for ntuples : gStyle->SetHistFillStyle(1001); gStyle->SetHistFillColor(38); gStyle->SetHistLineColor(9); gROOT->ForceStyle(); If I plot an histo after these, the fill style and colors corresponds to what I have asked but if I plot a variable from a tree it's not the case (even if it's called like an histo htemp). Is it a bug or is there other commands specific for trees or I made something wrong ? How can I do to define the characteristics of both my histos and plots from Tree variables only once, for all my future root sessions in my rootlogon.c for instance ? Thanks in advance, Sabine.
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