IFC 4.3.2.20251031 (IFC4X3_ADD2) under development

4.1.2.4 Document Association

概念 文档关联 描述了对象或对象类型如何关联文档,指示外部文件。文档可以整体引用,例如用于捕获产品手册、数据表、多媒体内容或缩略图。文档中的内容可以从任何对象引用,并可用于同步其他文件中的信息,例如项目管理应用程序的项目计划。

文档的典型元数据,如发布日期、编辑者等,可以与关联一起捕获,但文档内容仍保留在外部文件中。

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/IfcObjectDefinition.htm'>IfcObjectDefinition</a> IfcObjectDefinition 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:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssociatesDocument.htm'>IfcRelAssociatesDocument</a> IfcRelAssociatesDocument 1. GlobalId [1:1] 2. OwnerHistory [0:1] Name 3. Name [0:1] 4. Description [0:1] 5. RelatedObjects [1:?] 6. RelatingDocument [1:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcObjectDefinition.htm'>IfcObjectDefinition</a>:HasAssociations1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssociatesDocument.htm'>IfcRelAssociatesDocument</a>:RelatedObjects0 IfcLabel_0 IfcLabel <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssociatesDocument.htm'>IfcRelAssociatesDocument</a>:Name1->IfcLabel_0:IfcLabel0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcDocumentReference.htm'>IfcDocumentReference</a> IfcDocumentReference 1. Location [0:1] 2. Identification [0:1] 3. Name [0:1]      ExternalReferenceForResources [0:?] 4. Description [0:1] 5. ReferencedDocument [0:1]      DocumentRefForObjects [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRelAssociatesDocument.htm'>IfcRelAssociatesDocument</a>:RelatingDocument1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcDocumentReference.htm'>IfcDocumentReference</a>:IfcDocumentReference0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcURIReference.htm'>IfcURIReference</a> IfcURIReference <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcDocumentReference.htm'>IfcDocumentReference</a>:Location1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcURIReference.htm'>IfcURIReference</a>:IfcURIReference0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcIdentifier.htm'>IfcIdentifier</a> IfcIdentifier <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcDocumentReference.htm'>IfcDocumentReference</a>:Identification1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcIdentifier.htm'>IfcIdentifier</a>:IfcIdentifier0 IfcLabel_1 IfcLabel <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcDocumentReference.htm'>IfcDocumentReference</a>:Name1->IfcLabel_1:IfcLabel0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcText.htm'>IfcText</a> IfcText <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcDocumentReference.htm'>IfcDocumentReference</a>:Description1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcText.htm'>IfcText</a>:IfcText0
Figure 4.1.2.4.A

General Usage

ApplicableEntity
IfcObjectDefinition
表 4.1.2.4.B