I have a root file with a tree. I need to write a macro to access the histogram from the tree. Opening the root file in the terminal and using the command tree.Draw(“leafname”) gives me the histogram. But I need to write a macro and access the histogram. Thanks!

root, tree, hist

Wile_E_Coyote October 6, 2022, 5:00pm 15

Hello! I’m filling a tree and after I, sometimes, get this funny behavior AUX;1 AUX;2 with the same histograms inside but with different events in each ;1 and ;2… Can somebody please tell me why this is happening? Many thanks, Stefanos

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Histogram from leaf of tree