objref soma_ref
objref tree_root

load_file("fixnseg.hoc")
load_file("readcell.hoc")
load_file("actionPotentialPlayer.hoc")
load_file("analyticFunctions.hoc")
load_file("measureMeanAtten.hoc")

flag_spines = 1  // 1 = compensate for spines.  2 == don't compensate for spines