variable  atom_style      index  atomic
variable  newton_pair     index  on
variable  newton_bond     index  on
variable  units           index  lj
variable  input_dir       index  .
variable  dump_file       index  ${input_dir}/dump.colloid
variable  pair_style      index  'zero 8.0'

atom_style       ${atom_style}
atom_modify      map array
neigh_modify     delay 2 every 2 check no
units            ${units}
timestep         0.01
newton           ${newton_pair} ${newton_bond}

region box block 0 1 0 1 0 1
create_box 2 box
pair_style       ${pair_style}
read_dump        ${dump_file} 0 x y z vx vy vz box yes replace yes add yes