Dear all, I’m having problems with a TCutG when used with ttree->Draw. Basically my code it draws an empty histogram when a TCutG is applied. I’m using ROOT 6.14/06 on Ubuntu 16.04 Please find attached my macro. Thank you. cheers, Davide Read_Tree.C (1.2 KB)

Wile_E_Coyote February 22, 2019, 3:00pm 5

How to search for a value in ntuple and get the index? ROOT

See “Saving the result of Draw to a TEventList, a TEntryList or a TEntryListArray” and then " Using a TEventList, TEntryList or TEntryListArray as Input" in the TTree::Draw method description.

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Problem with TCutG in Ttree->Draw