Hi root experts,
Still learning how to do analysis in root...
I am trying to do something I would do with a nt/loop and
a fortran function in paw:
- I am looping over a tree
- for each "event" in the tree, I want to plot the sum of
variables but which ones depends from another variable,
let's call it run number, e.g:
I would like a tree->Draw() which plots:
i) var1+var2 if (run<LIMIT)
ii) var3+var4 if (run>=LIMIT)
where var{1,4} and run are all separated branches in the
tree, all of them elementary types (integers or floats).
- using root 3.02/07
How do I go about doing something like that in root? If
something like that is already documented somewhere and
you know where (usermanual or other roottalk thread,
pleast just point me to it).
Thanks,
Vuko
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Vuko Brigljevic | Mail : SLAC, Mail Stop 41
Lawrence Livermore National Laboratory | P.O. Box 4349, Stanford
Nuclear and Particle Physics Division | CA 94309, USA
| SLAC-Office : B280- room 143
Member of the BaBar Collaboration | Phone : +1-650-926 8512
<vuko@slac.stanford.edu> <http://www.slac.stanford.edu/~vuko>
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