2D histogram to 1D histogram

Hi experts, I have a 2D histogram in a root file. How can I make 1D histogram of that. The 2D histogram is shown in figure.Screenshot from 2021-10-27 15-23-24

It looks like a 1D histogram with error bars drawn.
Maybe you want: eta->Draw("hist"); // no error bars

This topic was automatically closed 14 days after the last reply. New replies are no longer allowed.