Elements such as doors and windows may be placed inside openings of walls, slabs, or other elements.
Figure 58 illustrates an instance diagram.
Figure 58 — Element Filling |
<?xml version="1.0"?>
<ConceptTemplate xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" uuid="06674893-7a2c-493b-8eb5-e85a058707b3" name="Element Filling" status="sample" applicableSchema="IFC4" applicableEntity="IfcElement">
<Rules>
<AttributeRule AttributeName="FillsVoids">
<EntityRules>
<EntityRule EntityName="IfcRelFillsElement">
<AttributeRules>
<AttributeRule AttributeName="RelatingOpeningElement">
<EntityRules>
<EntityRule EntityName="IfcOpeningElement">
<AttributeRules>
<AttributeRule AttributeName="VoidsElements">
<EntityRules>
<EntityRule EntityName="IfcRelVoidsElement">
<AttributeRules>
<AttributeRule RuleID="Type" AttributeName="RelatingElement">
<EntityRules>
<EntityRule EntityName="IfcElement" />
</EntityRules>
</AttributeRule>
</AttributeRules>
</EntityRule>
</EntityRules>
</AttributeRule>
</AttributeRules>
</EntityRule>
</EntityRules>
</AttributeRule>
</AttributeRules>
</EntityRule>
</EntityRules>
</AttributeRule>
</Rules>
</ConceptTemplate>