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Combining Output Files

Finally, you will need to combine the job output into a final analysis. This could be specific to your particular analysis. I will provide an example that combines the histograms from multiple AIDA files into one output file. These procedures may change in the future, and this is just an example.

Download a jar file from lcsim.org that contains a utility for merging AIDA files.

No Format

cd ~/work
wget http://www.lcsim.org/maven2/org/lcsim/hps-java/1.6/hps-java-1.6-bin.jar

Move all your output AIDA files to a single directory.

No Format

cd ~/work/output
mkdir scratch
cp */*.aida scratch

Finally, execute the utility to combine the AIDA files into a single output file:

No Format

cd ~/work
java -cp ./hps-java-1.6-bin.jar org.lcsim.hps.users.phansson.mergeSimpleAIDA -d ./output/scratch/ -r ".*.aida" -o myanalysis.aida

Now you can open the final AIDA file in JAS3 or perform additional analysis on it.

The analysis on the final output is only an example. You will probably want to write your own code to combine your AIDA output if the utility's default behavior of simply adding histograms is insufficient for your needs.