May appear in all command involving a direction.
behind fac
behind fac(num) vol(id)
Returns parameter ´behind´ of num facet of id volume.
behind fac(num) vol(id)=a
Change this parameter:
a = 0: the num facet is displayed only if it is a front facet.
a = 1: num facet will be displayed (by default).
a = -1: the num facet is displayed only if it is a back facet.
behind vol
behind vol(id)
Returns parameter ´behind´ of id volume.
behind vol(id)=a
Change this parameter:
a = 0: only front facets will be displayed.
a = 1: all the facets will be displayed (by default).
a = -1: only back facets will be displayed.
Voir aussi:
above
below
front
left
no behind
right
see behind vol
stock behind
yes behind