Function call within TChain drawing

[arelycg]

Hi all,

I found this old thread:

TTree::Draw, weight with a function?

Hi all, I want to make histograms with TTree::Draw and weight the entries by a function of a variable in the tree. Something like the following example. mytree->Draw(“zenith_angle>>hZenith”, “my_function(energy)”) I currently have the “my_function” simply as a TGraph, but I could try to make a TF1 or some other thing. Mostly, I wanted to know if this is even possible, or have I finally reached the limit of the powers of TTree::Draw()! Which, by the way has been pretty awesome so far. If y…

so my question was answered

-Arely