Figure 100 — CoG Geometry
Elements may have a 'CoG' representation describing the Center of Gravity as a point. Such representation may be used for allowing validation checks to verify, that the CoG after import of the 'Body' shape representation matches this explicit value created during export, taking acceptable numeric tolerances into account.
The representation identifier and type and the only allowed single representation item of the 'CoG' representation are:
Figure 100 illustrates an instance diagram.
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Figure 100 — CoG Geometry |
<?xml version="1.0"?>
<ConceptTemplate xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" uuid="a13f0eca-6c45-4a95-bfa6-03cc7da6a6cf" name="CoG Geometry" applicableSchema="IFC4" applicableEntity="IfcProduct">
<Rules>
<AttributeRule AttributeName="Representation">
<EntityRules>
<EntityRule EntityName="IfcProductDefinitionShape">
<AttributeRules>
<AttributeRule AttributeName="Name" />
<AttributeRule AttributeName="Description" />
<AttributeRule AttributeName="Representations">
<EntityRules>
<EntityRule EntityName="IfcShapeRepresentation">
<AttributeRules>
<AttributeRule AttributeName="ContextOfItems">
<EntityRules>
<EntityRule EntityName="IfcGeometricRepresentationContext" />
</EntityRules>
</AttributeRule>
<AttributeRule RuleID="Identifier" AttributeName="RepresentationIdentifier">
<EntityRules>
<EntityRule EntityName="IfcLabel" />
</EntityRules>
</AttributeRule>
<AttributeRule RuleID="Type" AttributeName="RepresentationType">
<EntityRules>
<EntityRule EntityName="IfcLabel" />
</EntityRules>
</AttributeRule>
<AttributeRule AttributeName="Items">
<EntityRules>
<EntityRule EntityName="IfcCartesianPoint" />
</EntityRules>
</AttributeRule>
</AttributeRules>
</EntityRule>
</EntityRules>
</AttributeRule>
</AttributeRules>
</EntityRule>
</EntityRules>
</AttributeRule>
</Rules>
</ConceptTemplate>
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