I am trying to use a python function as a way to cut on a pyROOT drawn histogram. The idea goes something like this:
Is this possible with pyROOT?
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More information: I am able to get C++ code to work, so if all else fails I can just remake the python cut function as a C++ function.
cutting_fun is function that only exists in Python, unfortunately you can’t call it directly from an expression of
You can write the function in C++ yourself, as you mentioned, or try with
NumbaDeclare, e.g. see this tutorial:
In short, you decorate your Python function and, under the hood, a C++ wrapper for it is generated so you can call it as
Numba::cutting_fun in your case.
This is only available since ROOT 6.22, though.
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