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HepMC filter is a simple application that reads a file in HepMC format and selects only those events that pass certain cuts. The idea is to reduce a number of events we need to process after the selection.
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Getting and Compiling the HepMC filtertau1.hep.utexas.edu: NOTE: To download the source file you need to have an access to ATLAS Subversion system. 1. Set up SVNROOT global variable that points to the ATLAS user's repository
where <username> is your username on ATLAS. 2. Check-out the package from SVN
This will create HepMC_Filter directory and check-out a package in it. If you want to check-out a version with certain tag, use the following command
This will check-out version HepMC_Filter-00-00-03 of the HepMC filter.
4. Compile the filter
At this stage you must have 'HepMC_Filter.exe' in the 'HepMC_Filter/bin' directory. This is the actual filter application. Not the tau1 machine 1. You will need to download, compile and install the HepMC package. You can get more information here - https://savannah.cern.ch/projects/hepmc/ 2. The global variable 'HepMC_PATH' from 'setup.sh' needs to be pointing to the directory where HepMC is installed. 3. The remaining steps are similar to the case with the tau1 machine. |
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Running the filter
In the 'share' subdirectory you will find 'dilepton_filter.sh'. You need to modify this file to star processing the data.
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