Hi all I have a root file with a tree, I want to clone that tree, use some of the variables stored there, calculate something and then save a new root file with the new tree including the new variables. I think I managed to do it local, but when I tried to run in a batch system I am getting or an …

auto oldFile = TFile::Open( "inNameFile.root" ); TTree *newtree = (TTree*)oldFile->Get("tree"); TTreeReader newreader( "tree", oldFile ); TFile *newfile = new TFile("outNameFile.root","recreate"); .... newtree->Branch("newVar", &newVar, "newVar/F"); a…

Home | News | Documentation | Download | Privacy Notice

ROOT Forum

Clone tree, add branches and save new tree

ROOT

rdataframe

← previous page

Home
Categories
Guidelines
Terms of Service
Privacy Policy

Powered by Discourse, best viewed with JavaScript enabled