Hello Rene, assume I have a graph drawn on top of a TH2 histogram (as we usually do in ROOT to draw multiple graphs on the same picture). Assume I zoom a histogram along X axis. Now in my code I want to zoom the histogram along Y axis so that zoomed (along X) portion of graph fits Y histogram range. To do so I have to know Ymin and Ymax of my graph on the zoomed X. How can I get it? I have tried TH2::GetMinimum() and TH2::GetMaximum() but they both return zero all the time. Regards, Anton
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