Hi Kay, Thanks for noticing this point. Now fixed in 3.02/03 Rene Brun On Sat, 3 Nov 2001, Kay Ulbrich wrote: > Hello, > > when reading a *.root-file converted by h2root from an hbook-file, the > errors for 2-dimensional histograms seem to get lost, because > TH2::GetBinError(...) renders the square root of the entries, whereas > the corresponding histograms in the hbook-file contained different > errors. The same does not seem to happen for TH1-instances. > > Now, I store the error-histograms separately in the hbook-file and then > force the errors for the 2-dim histograms under question to the > associated entries in them under ROOT using TH2::SetBinError(...), but > surely this is not the most elegant way to do it, because it doubles > the number of histograms to be written by the hbook-generating > program. > > Has this been encountered before and is it the consequence of a > possible mistake of mine? > > Thanks for help, > Kay > > -- > Kay Ulbrich > Institut fuer Strahlen- und Kernphysik, Universitaet Bonn > Nussallee 14-16 / D-53115 Bonn / Deutschland > Tel.: 0228-73-1768 / E-Post: ulbrich@iskp.uni-bonn.de >
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