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Running a small ntuple maker
Here
we use an existing program that fills some standard calorimeter
quantities into a Root tree. The example consists of 5 source
files,
one .cpp, two .cc and two .h files. Here you can find an image
showing how these files depend on each other.
cd ${TOP}/ORCA_7_6_0/src
cmscvsroot ORCA
cvs co -r Tutorial031114 Examples/Tutorial
cd Examples/Tutorial
scram build shared
scram build bin
eval `scram runtime -csh`
rehash
now
the ExTutTree executable should be on your path
cd ${SCRIPTS}
setup kerberos
setup fbsng
fbs submit zprime_jj_ntuple.jdf 8 10000 5
Let's
go to the analysis area to have a look at the Root Tree. First
we stage in the
produced files from Mass storage then we make a few plots.
cd
$ANALYSIS
set i=10001
while ( $i < 10009 )
dccp ${PNFS_PATH}/${i}/pool_orca/ExTutTree${i}.root .
@ i++
end
root
root [0] .L T1.C
root [1] .x plotT1.C
root [2]
should
produce something similar to the plots below plotting some
simple reconstructed quantities (just with less statistics).

1. General
setup
2. Event generation on the farm with CMKIN (Pythia),
Analysis of the generator level output
3. Simulate the events with OSCAR
4. Digitize with ORCA
5. Run a small ntuple maker ( from Stephan's
ORCA tutorial) looking at Calorimeter quantities
6. Run the JetMet ntuple maker and make some plots
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