[ROOT] Changing value of Branch content in existing tree

From: Frank Winklmeier (frank.winklmeier@colostate.edu)
Date: Wed Dec 03 2003 - 23:20:17 MET 

Hi,

is there a way of changing the content of a Branch (in my case just a 
float) in an existing tree? I know how to do it by creating a new tree 
with just that value changed like in the tutorial. But this doesn't seem 
to be very efficient if I only want to change one of several hundred 
entries of the tree. And there is no need for me to keep a copy of the 
unchanged tree.

Thanks, Frank

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