dear rene, finally it worked with a direct designation in brackets like hist->SetMaximum(-1e-8); hist->SetMinimum(-1e-4); but not when i declare the values before (even not if i take Stat_t, Float_t or Double_t ...). ok, it will produce more code now, but it works! I just wanted to document what i came across. Thank you and i already came across the next problem, but - as always - i try to solve first by my own ... andi On Wed, 22 Jan 2003, Luc Perrot wrote: > It is logical, because -1e-4 is superior to -1e-8 ! (dear luc, i was thinking about the ordering of -1e-4 <?> -1e-8 longer than i wanted - it's a mess with a human brain and simple numbers -, to come finally to the conclusion that -1e-8 > -1e-4, so this could not be the reason, a.) > > On Wed, 22 Jan 2003, Andreas Salzburger wrote: > > > dear roottalkers, > > > > i'd like to create an empty 1D histogram, in which i try to plot a graph > > afterwards. > > The values of my graph are between -1e-4 and -1e-8. But i cant set the > > maximimum and mimimum like that: > > > > Double_t hist_min = -1e-4; > > Double_t hist_max = -1e-8; > > > > hist->SetMinimum(hist_min); > > hist->SetMaximum(hist_max); > > hist->Draw(); > > > > This draws a histogram with hist_min=-1 and hist_max=+1. > > Has anyone a solution for me? > > > > Thank's in advance > > Andreas > > > > > > > >
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