4.5.4.4 Object Nesting

General object nesting indicates an ordered arrangement relationship.

Figure 165 illustrates an instance diagram.

Object NestingIfcObjectDefinitionIfcRelNestsIfcObject

Figure 165 — Object Nesting

mvdXML Specification
<?xml version="1.0" encoding="utf-8"?>
<ConceptTemplate xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" uuid="38ca8788-5e47-411c-8294-d56f9e9a5691" name="Object Nesting" applicableSchema="IFC4" applicableEntity="IfcObjectDefinition">
  <Rules>
    <AttributeRule AttributeName="IsNestedBy">
      <EntityRules>
        <EntityRule EntityName="IfcRelNests">
          <AttributeRules>
            <AttributeRule RuleID="Type" AttributeName="RelatedObjects">
              <EntityRules>
                <EntityRule EntityName="IfcObject" />
              </EntityRules>
            </AttributeRule>
          </AttributeRules>
        </EntityRule>
      </EntityRules>
    </AttributeRule>
  </Rules>
</ConceptTemplate>

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