Add pythia.g4 macro as example of macro to use when generating events from Pythia

FullSimLight/CMakeLists.txt

@@ -180,6 +180,7 @@ endif()
 set(FULLSIMLIGHT_SCRIPTS
   geantino.g4
   macro.g4
+  pythia.g4
   drawMagField.C
   )
 

FullSimLight/pythia.g4

+########################################################################
+##  SET ALL VERBOSE LEVELS TO 0
+## ---------------------------------------------------------------------
+/control/verbose 0
+/run/verbose 0
+/event/verbose 0
+/tracking/verbose 0
+########################################################################
+##  SET NUMBER OF THREADS (will be ignored in case of sequential Geant4)
+## ---------------------------------------------------------------------
+/run/numberOfThreads 1
+/control/cout/prefixString G4Worker_
+########################################################################
+##  DETECTOR AND MAGNETIC FIELD
+## ---------------------------------------------------------------------
+###/mydet/setGdmlFile  atlas2018.gdml
+## ---------------------------------------------------------------------
+## To Switch off the field set it to 0 tesla
+/mydet/setField 4.0 tesla
+########################################################################
+##  INIT
+## ---------------------------------------------------------------------
+/run/initialize
+########################################################################
+##  EXECUTE with 10 events and print the list of processes at the end
+## ---------------------------------------------------------------------
+/run/beamOn 10
+## ---------------------------------------------------------------------
+/process/list