Hi , is it correct that in TGraph::GetPoint(i,&x,&y) i is the index of the point, starting at 0 and in TGraphErrors::GetErrorX(n) n is the bin number of the corresponding Histo, starting at 1. So n=i+1 ? Norbert -- Norbert Danneberg ETH Zurich - Institute for Particle Physics Laboratory for Nuclear Physics Phone.: +41-1-633-2034 Hoenggerberg Fax.: +41-1-633-1067 CH-8093 Zurich ETH Zurich - Institute for Particle Physics Paul Scherrer Institute Phone.: +41-56-310-3284 CH-5232 Villigen PSI Fax.: +41-56-310-4362 email: Norbert.Danneberg@psi.ch
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