Accessing TBranch content and modify it

ROOT
#1

HI , I have a raw tree with a branch I want to manipulate then overwrite,
The SetBranchAdress fonction works fine to read the events but I can write in it to replace the old value.
Moreover I think there is a lot to learn from that

#2

[quote]HI , I have a raw tree with a branch I want to manipulate then overwrite,
The SetBranchAdress fonction works fine to read the events but I can write in it to replace the old value.
[/quote]
see the discussion about “Adding a branch to an existing Tree” at

root.cern.ch/root/htmldoc/TTree.html

What do you mean?

Rene