Configuring by occurrence effectivity

If the revision rule controlling the configuration of a structure contains an entry for occurrence effectivity, occurrences for which no occurrence effectivity is specified are configured, together with occurrences whose effectivity expressions match some part of the revision rule occurrence effectivity entry. If Show Unconfigured By Occurrence Effectivity is selected, an occurrence may be shown or hidden, depending on occurrence effectivity (which may be a greater range than unit net effectivity).

The calculated net effectivity is also compared with the revision rule occurrence effectivity entry.

• If the unit net effectivity of a line is unconstrained, the unit net-EOC is true, regardless of any occurrence effectivity entry in the revision rule.

• If the unit net effectivity of a line is empty, the unit net-EOC is false, regardless of any occurrence effectivity entry in the revision rule.

• For a line whose unit net effectivity is not unconstrained or empty, its unit net-EOC is false if there is no occurrence effectivity entry in the revision rule.

• If there is an occurrence effectivity entry in the revision rule, the unit net-EOC is true only if the unit net effectivity matches some part of the revision rule occurrence effectivity entry.

• Any date effectivity expressions in the revision rule occurrence effectivity entry are ignored for the unit net-EOC comparison. A date range is not considered as a scope for unit net effectivity,

You may explicitly set an occurrence effectivity entry in the existing revision rule by choosing Revision Rule→Set Date/Unit/End Item…. You can then set a unit range defining the scope of effective occurrences you want to review. The Unit Net-EOC property shows whether the computed net effectivity is in that scope.