“unset” clear non-global settings and zeros out global settings.

unset name [,selection [,state ]]

unset orthoscopic 

unset surface_color, 1hpv 

unset sphere_scale, elem C 

If selection is not provided, unset changes the named global setting to a zero or off value.

If a selection is provided, then “unset” undefines per-object, per-state, or per-atom settings.

set | set_bond | cmd.unset | commands

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