IFC 4.3.2.20251031 (IFC4X3_ADD2) under development

4.1.5.1 Alignment Spatial Reference

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/IfcAlignment.htm'>IfcAlignment</a> IfcAlignment 1. GlobalId [1:1] 2. OwnerHistory [0:1] AlignmentName 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:?] 8. PredefinedType [0:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelReferencedInSpatialStructure.htm'>IfcRelReferencedInSpatialStructure</a> IfcRelReferencedInSpatialStructure 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1] 5. RelatedElements [1:?] RelatingStructure 6. RelatingStructure [1:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcAlignment.htm'>IfcAlignment</a>:ReferencedInStructures1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelReferencedInSpatialStructure.htm'>IfcRelReferencedInSpatialStructure</a>:RelatedElements0 IfcLabel_0 IfcLabel <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcAlignment.htm'>IfcAlignment</a>:Name1->IfcLabel_0:IfcLabel0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcSpatialElement.htm'>IfcSpatialElement</a> IfcSpatialElement 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:?] 8. LongName [0:1]      ContainsElements [0:?]      ServicedBySystems [0:?] ReferencedElements      ReferencesElements [0:?]      IsInterferedByElements [0:?]      InterferesElements [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelReferencedInSpatialStructure.htm'>IfcRelReferencedInSpatialStructure</a>:RelatingStructure1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcSpatialElement.htm'>IfcSpatialElement</a>:ReferencesElements0
Figure 4.1.5.1.A

General Usage

ApplicableEntity
IfcAlignment
表 4.1.5.1.B

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