Apr 27, 2020 · I am a beginner in root and I wanna to create a root file but in the first step I have an error. When I wanna to define TFile, I have this error ...

Oct 5, 2015 · 1 Answer 1 ... The only idea I have is to create the TDirectory you want in your TFile and add the contents to this directory. Histograms are easy ...

Jan 14, 2016 · I usually just save a file (for example try.cpp) Then at the terminal I just type root -l try.cpp Print and Scan (as shown in the above answer) ...

Apr 4, 2016 · I think you want TTree::SetDirectory . Pass in a 0 pointer and there will be no "owner" directory, including no ROOT memory management.

Mar 3, 2017 · How to get bytes of TFile using TrueZip API (without extracting) in Java · You must uncompress it to get the bytes. Zip isn't a random access ...

Feb 22, 2017 · So on my post on root talk(https://root.cern.ch/phpBB3/viewtopic.php?f=14&t=23242)a poster explained why this happens. Basically tfile is ...

Feb 11, 2020 · In my tree_ex1.c file, I created a simple tree and I plotted the histogram of one of the tree's branches. I am able to get a histogram from the ...

I want to store the inputs in my text file every time I run it. But when I run the script the old inputs gets deleted! how can I fix this? sample code: name ...

Jul 16, 2022 · If I am having 10 root files and I need to read each file one by one to get the statistical parameters. void pbtrue() { TFile *f = new TFile(" ...

Jul 20, 2018 · What I am most in need of, and what I have been unable to find online, is how to covert the following line in C++ to its equivalent in Python.