Figure 123 — Project Declaration
The project provides a directory of object types and property templates contained within using declaration relationships.
NOTE The actual object occurrences used within the context of a project, such as walls, beams, air outlets, are assigned to a spatial hierarchy that is linked to the project using the aggregation hierarchy. See concept Spatial Decomposition for linking a spatial structure to the project.
HISTORY New concept template enabled by schema enhancements in IFC4.
Figure 123 illustrates an instance diagram.
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Figure 123 — Project Declaration |
<?xml version="1.0"?>
<ConceptTemplate xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" uuid="ab1e2cfd-9f21-4f4a-b6af-cc26d84e45ac" name="Project Declaration" applicableSchema="IFC4" applicableEntity="IfcContext">
<Rules>
<AttributeRule AttributeName="Declares">
<EntityRules>
<EntityRule EntityName="IfcRelDeclares">
<AttributeRules>
<AttributeRule RuleID="Type" AttributeName="RelatedDefinitions" />
</AttributeRules>
</EntityRule>
</EntityRules>
</AttributeRule>
<AttributeRule AttributeName="Phase">
<EntityRules>
<EntityRule EntityName="IfcLabel" />
</EntityRules>
</AttributeRule>
<AttributeRule AttributeName="ObjectType">
<EntityRules>
<EntityRule EntityName="IfcLabel" />
</EntityRules>
</AttributeRule>
<AttributeRule AttributeName="LongName">
<EntityRules>
<EntityRule EntityName="IfcLabel" />
</EntityRules>
</AttributeRule>
</Rules>
</ConceptTemplate>
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