> > I would prefer TH1::GetIntegral(binx1,binx2) and same for 2-D. > > Otherwise if xmin,xmax do not coincide with the lower/upper limits > > of a bin, do you expect this function to compute an approximation > > for the integral in the bins at the edge, or do you simply want > > to compute the bin number where xmin and xmax (bin1,bin2)correspond > > and return the integral as the suim of bin contents from bin1 to bin2 > > included? > > Agree. TH1::GetIntegral(bin1,bin2) would be nice enough. > Hello, histogram (by definition) knows only about bins and bin boundaries and doesn't know anything about what's going on within the bin. So TH1::Draw(bin1,bin2) and TH1::GetIntegral(bin1,bin2) seem to be a) appropriate b) suifficient. One always can change binning if he needs. On the contrary it doesn't seem to be a lot of sense in the result of integration over 1/3 of the histogram bin, for example. Pasha
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