IfcLibraryInformation
IfcLibraryInformation
实体定义
IfcLibraryInformation描述了一个库，其中库是结构化的信息存储，通常以允许通过索引或参考值查找信息的方式组织。IfcLibraryInformation提供库名称和可选的描述、版本、版本日期和发布者属性。可以添加用于电子访问图书馆的位置。
在broder意义上，IfcLibraryInformation包括用于在将库和其他数据检入修订控制系统时捕获修订信息的元数据。
IFC2x中的新实体。
IFC4：增加位置和描述属性；发布者和版本日期数据类型已更改；添加了HasLibraryReferences反向属性（以前的LibraryReference更改为反向）。
Attribute inheritance
| # | Attribute | Type | Cardinality | Description | C |
|---|---|---|---|---|---|
| IfcExternalInformation | |||||
| IfcLibraryInformation | |||||
| 1 | Name | IfcLabel | [1:1] | The name which is used to identify the library. | X |
| 2 | Version | IfcLabel | [0:1] | Identifier for the library version used for reference. | X |
| 3 | Publisher | IfcActorSelect | [0:1] | Information of the organization that acts as the library publisher. | X |
| 4 | VersionDate | IfcDateTime | [0:1] | Date of the referenced version of the library. | X |
| 5 | Location | IfcURIReference | [0:1] | Resource identifier or locator, provided as URI, URN or URL, of the library information for online references. | X |
| 6 | Description | IfcText | [0:1] | Additional description provided for the library revision information. | X |
| LibraryInfoForObjects | IfcRelAssociatesLibrary @RelatingLibrary |
S[0:?] | The library information with which objects are associated. | X | |
| HasLibraryReferences | IfcLibraryReference @ReferencedLibrary |
S[0:?] | The library references to which the library information applies. | X | |
EXPRESS Specification
ENTITY IfcLibraryInformation
SUBTYPE OF (IfcExternalInformation);
Name : IfcLabel;
Version : OPTIONAL IfcLabel;
Publisher : OPTIONAL IfcActorSelect;
VersionDate : OPTIONAL IfcDateTime;
Location : OPTIONAL IfcURIReference;
Description : OPTIONAL IfcText;
INVERSE
LibraryInfoForObjects : SET [0:?] OF IfcRelAssociatesLibrary FOR RelatingLibrary;
HasLibraryReferences : SET OF IfcLibraryReference FOR ReferencedLibrary;
END_ENTITY;
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