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Note that a full listing of the command line options for slic can be printed out with the following command:
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> slic -h Wed Oct 16 11:53:20 2019 :: OKAY :: SlicApplication :: SLIC is starting. SLIC ************** * SLIC Usage * ************** Command line usage: slic [single_macro_path] slic [options] Interactive usage: slic -n ************************ * Command Line Options * ************************ Option Full Name Macro Command Description ------------------------------------------------------------ -h --help /slic/usage Print SLIC usage. -? --help /slic/usage Print SLIC usage. -n --interactive /control/interactive Start a Geant4 interactive session. -v --version /slic/version Print SLIC version. -m --macro /control/execute Execute Geant4 commands from a file. -g --lcdd-url /lcdd/url Set LCDD geometry file URL. -i --event-file /generator/filename Set event input file full path. -o --lcio-file /lcio/filename Set name of LCIO output file. -p --lcio-path /lcio/path Set directory for LCIO output. -O --autoname /lcio/autoname Automatically name the LCIO output file. -x --lcio-delete /lcio/fileExists delete Delete an existing LCIO file. -r --run-events /run/beamOn Run # of events. -s --skip-events /generator/skipEvents Set number of events to skip. -l --physics-list /physics/select Set Geant4 physics list. -L --log-file /log/filename Set logfile name. -d --seed /random/seed Set the random seed. (No argument seeds with time.) -G --dump-gdml /lcdd/dumpGDML Dump geometry to GDML file. -c --optical /physics/enableOptical Enable optical physics processes. -P --pdg-file /physics/setPDGFile Set location of particle.tbl file. -V --lcdd-version /lcdd/version Set the version of the GDML setup tag. -S --lcdd-setup /lcdd/setupName Set the name of the GDML setup tag. |
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One can also generate events internally using the GEANT4 General Particle Source. One can either issue commands on the interactive command line, or invoke them via a Geant4 macro.
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slic -g detector.lcdd -m G4commands.mac -O |
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Here is a simple example to generate 100k single 4.56 GeV electrons isotropically over a fixed range in theta and uniformly in phi:
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/generator/select gps /gps/particle e- /gps/position 0 0 0 cm /gps/energy 1 GeV /gps/ang/type iso /gps/ang/mintheta 170 deg /gps/ang/maxtheta 180 deg /gps/ang/minphi 0 deg /gps/ang/maxphi 360 deg /run/beamOn 100000 |