IFC 4.3.2.20251031 (IFC4X3_ADD2) under development

4.1.5.8 Product Relative Positioning

IfcProduct_可以相对于定位元素(如_IfcAlignmentIfcGrid_或_IfcReferent)进行放置。

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。

G <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/IfcRelPositions.htm'>IfcRelPositions</a> IfcRelPositions 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1] PositioningElement 5. RelatingPositioningElement [1:1] 6. RelatedProducts [1:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcProduct.htm'>IfcProduct</a>:PositionedRelativeTo1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelPositions.htm'>IfcRelPositions</a>:RelatedProducts0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcPositioningElement.htm'>IfcPositioningElement</a> IfcPositioningElement 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:?]      ContainedInStructure [0:1]      Positions [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelPositions.htm'>IfcRelPositions</a>:RelatingPositioningElement1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcPositioningElement.htm'>IfcPositioningElement</a>:IfcPositioningElement0
Figure 4.1.5.8.A

General Usage

ApplicableEntity
IfcProduct
表 4.1.5.8.B