IFC 4.3.2.20260714 (IFC4X3_ADD2) under development

4.1.1.7 Product Assignment（产品指定）

产品支持通过指定关系明确作用于该产品的过程。例如，建造墙体的任务。

下图展示了应用此概念时使用的通用类和关系。 此外，概念可能对常见或标准化的行业实践和场景具有特殊意义。对于这些特定的使用场景，下表展示了用户可采用的推荐通用使用模式列表。

<a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcProduct.htm'>IfcProduct</a> IfcProduct 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] 6. ObjectPlacement [0:1] 7. Representation [0:1]      ReferencedBy [0:?]      PositionedRelativeTo [0:?]      ReferencedInStructures [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssignsToProduct.htm'>IfcRelAssignsToProduct</a> IfcRelAssignsToProduct 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1] Type 5. RelatedObjects [1:?] 6. RelatedObjectsType [0:1] 7. RelatingProduct [1:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcProduct.htm'>IfcProduct</a>:ReferencedBy1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssignsToProduct.htm'>IfcRelAssignsToProduct</a>:RelatingProduct0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcObject.htm'>IfcObject</a> IfcObject 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ObjectType [0:1]      IsDeclaredBy [0:1]      Declares [0:?]      IsTypedBy [0:1]      IsDefinedBy [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssignsToProduct.htm'>IfcRelAssignsToProduct</a>:RelatedObjects1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcObject.htm'>IfcObject</a>:HasAssignments0
图 4.1.1.7.A

通用用法

ApplicableEntity
Type
IfcRelAssignsToProduct.RelatedObjects
IfcBeam IfcStructuralCurveMember
IfcBuiltElement IfcTask
IfcColumn IfcStructuralCurveMember
IfcColumn IfcTask
IfcDistributionControlElementIfcEvent
IfcDistributionControlElementIfcProcedure
IfcDistributionControlElementIfcTask
IfcDistributionPort IfcDistributionCircuit
IfcDistributionPort IfcDistributionSystem
IfcMember IfcStructuralCurveMember
IfcMember IfcTask
IfcPlate IfcStructuralSurfaceMember
IfcPlate IfcTask
IfcSlab IfcStructuralSurfaceMember
IfcSlab IfcTask
IfcWall IfcStructuralSurfaceMember
IfcWall IfcTask
表 4.1.1.7.B

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