Hello RootFans, anyone any ideas.??:... 1/i have a bar chart which upon which i would like to set the y axis as a log axis: i rt click on the axis and select "selectLogY". ..i then get the error message: Error in <THistPainter::PaintInit>: log scale requested with zero or negative argument (0.000000) ..i think this is not true, in fact i am reading out the (5) values as i fill my bar chart and they are all well above 0. ,my number of bins is 5 so there are no non filled bins. ..any thoughts anyone?? 2/ I use some standard commands everytime i use root but some don't seem to work from within a kumac. examples are in: /afs/cern.ch/user/d/dholmes/public/ any ideas on either of these problems are much appreciated.. cheers, Dan. CMS-Bristol http://cern.ch/dan.holmes
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