Figure 83 — Body Tessellation Geometry
The Body Tessellation Geometry is the representation of the 3D shape of a product by tessellated surface models.
The following attribute values for the IfcShapeRepresentation holding this geometric representation shall be used:
Figure 83 illustrates an instance diagram.
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Figure 83 — Body Tessellation Geometry |
<?xml version="1.0"?>
<ConceptTemplate xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" uuid="5cfd4403-6545-4c6d-bc27-0a95a3d09950" name="Body Tessellation Geometry" status="sample" applicableSchema="IFC4" applicableEntity="IfcElement">
<Rules>
<AttributeRule AttributeName="Representation">
<EntityRules>
<EntityRule EntityName="IfcProductDefinitionShape">
<AttributeRules>
<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">
<Constraints>
<Constraint Expression="Type[Value] = 'Tessellation'" />
</Constraints>
</EntityRule>
</EntityRules>
</AttributeRule>
<AttributeRule RuleID="Items" AttributeName="Items">
<EntityRules>
<EntityRule EntityName="IfcTriangulatedFaceSet">
<References>
<Template ref="8a96e670-c72c-4dde-933a-b8e9bffd6983" />
</References>
</EntityRule>
<EntityRule EntityName="IfcPolygonalFaceSet">
<References>
<Template ref="72c0b316-6b48-478d-91fa-6e4b5a781b07" />
</References>
</EntityRule>
</EntityRules>
</AttributeRule>
</AttributeRules>
</EntityRule>
</EntityRules>
</AttributeRule>
<AttributeRule AttributeName="Name" />
<AttributeRule AttributeName="Description" />
</AttributeRules>
</EntityRule>
</EntityRules>
</AttributeRule>
</Rules>
</ConceptTemplate>
Examples:
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