objref soma_ref
objref tree_root
xopen("fixnseg.hoc") // sets appropriate compartment size
xopen("readcell.hoc") // reads file, adjusts for spines according to G Major thesis
xopen("actionPotentialPlayer.hoc")
xopen("analyticFunctions.hoc")
xopen("measureMeanAtten.hoc")
flag_spines = 1 // Don't compensate for spines