/gps/particle gamma
/gps/pos/type Surface
/gps/pos/shape Cylinder
/gps/pos/centre 2. 2. 2. cm
/gps/pos/radius 2.5 cm
/gps/pos/halfz 5. cm
/gps/ang/type cos
/gps/ene/type Cdg
/gps/ene/min 20. keV
/gps/ene/max 1. MeV
/gps/ene/calculate

# commands below are independent of gps
#
/analysis/filename test7.aida
/analysis/maxeng 1 MeV
/analysis/mineng 10 keV
/analysis/maxpos 10 cm 
/analysis/minpos -10 cm
/event/printModulo 10000
#/control/execute display.mac
/run/beamOn 10000