run1.mac

# Macro file for example B2
# 
# Can be run in batch, without graphic
# or interactively: Idle> /control/execute run1.mac
#
# Change the default number of workers (in multi-threading mode) 
/run/numberOfThreads 1
#
# Initialize kernel
/run/initialize
#
# Default kinematics: 
# proton 3 GeV in direction (0.,0.,1.)
# 1 event with tracking/verbose
#
#/tracking/verbose 1
/run/beamOn 50000
#
# 1 event with printing hits
#
#/tracking/verbose 0
#/hits/verbose 2
#/run/beamOn 1
#
# set target and chamber material
#
#/B2/det/setTargetMaterial G4_WATER
#/B2/det/setChamberMaterial G4_Ar
#/run/beamOn 3
# 
# set a magnetic field and max allowed step length
# 3 event with printing hits
#
#/globalField/verbose 1
#/globalField/setValue 0.2 0 0 tesla
#/B2/det/stepMax 1.0 mm
#/gun/energy 0.3 GeV
#/run/beamOn 3
#
# muon 300 MeV in the direction (0.,0.,1.)
# 3 event with detailed printing
#
#/gun/particle mu-
#/gun/energy 300 MeV
#/run/beamOn 3