General object nesting indicates an ordered arrangement relationship.
Figure 165 illustrates an instance diagram.
Figure 165 — Object Nesting |
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<Rules>
<AttributeRule AttributeName="IsNestedBy">
<EntityRules>
<EntityRule EntityName="IfcRelNests">
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<AttributeRule RuleID="Type" AttributeName="RelatedObjects">
<EntityRules>
<EntityRule EntityName="IfcObject" />
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