#!/usr/bin/env bash

#

# Hybrid generator simulation example:

# the simulation is configured using a JSON file (hybridconfig.json in this folder), whose

# template can be generated using the script ${O2DPG_ROOT}/MC/bin/o2_hybrid_gen.py

set -x

if [ ! "${O2DPG_ROOT}" ]; then

echo "This needs O2DPG loaded; alienv enter ..."

exit 1

fi

[ ! "${O2_ROOT}" ] && echo "Error: This needs O2 loaded" && exit 2

NEV=-1

more=""

JOBS=2

usage()

{

cat <<EOF

Usage: $0 [OPTIONS]

Options:

-m,--more CONFIG More configurations ($more)

-n,--nevents EVENTS Number of events ($NEV)

-j,--jobs JOBS Number of jobs ($JOBS)

-h,--help Print these instructions

-- Rest of command line sent to o2-sim

COMMAND must be quoted if it contains spaces or other special

characters

Below follows the help output of o2-sim

EOF

}

if [ "$#" -lt 2 ]; then

echo "Running with default values"

fi

while test $# -gt 0 ; do

case $1 in

-m|--more) more="$2" ; shift ;;

-n|--nevents) NEV=$2 ; shift ;;

-j|--jobs) JOBS=$2 ; shift ;;

-h|--help) usage; o2-sim --help full ; exit 0 ;;

--) shift ; break ;;

*) echo "Unknown option '$1', did you forget '--'?" >/dev/stderr

exit 3

;;

esac

shift

done

# Set number of events in optns file

if [ ! $NEV -eq -1 ]; then

echo "Setting number of events to $NEV"

else

echo "Number of events not set, defaulting to 10..."

NEV=10

fi

# Generation of 1000 events using STARlight in a slight.hepmc file

${O2_ROOT}/examples/HepMC_STARlight/run-starlight.sh

# Generation of event pool with pythia8 (10000 events) in a evtpool.root file

${O2DPG_ROOT}/MC/run/examples/event_pool.sh --make

# Starting simulation with Hybrid generator

${O2_ROOT}/bin/o2-sim --noGeant -j $JOBS --field ccdb --vertexMode kCCDB --run 300000 --configKeyValues "MFTBase.buildAlignment=true;GeneratorHybrid.configFile=$PWD/hybridconfig.json;GeneratorHybrid.randomize=false;${more}" -g hybrid -o genevents --timestamp 1546300800000 --seed 836302859 -n $NEV