| 类 | 说明 |
|---|---|
| IfcClassification |
An IfcClassification is used for the arrangement of objects into a class or category according to a common purpose
or their possession of common characteristics.
|
| IfcClassificationItem | |
| IfcClassificationItemRelationship | |
| IfcClassificationNotation | |
| IfcClassificationNotationFacet |
An IfcClassificationNotationFacet is a group of alphanumeric characters used within a classification notation.
|
| IfcClassificationReference |
An IfcClassificationReference is a reference into a classification system or source (see IfcClassification).
|
| IfcDocumentElectronicFormat | |
| IfcDocumentInformation | |
| IfcDocumentInformationRelationship | |
| IfcDocumentReference | |
| IfcExternalReference |
This class is the identification of information that is not explicitly represented in the current model or in the project database .
|
| IfcLibraryInformation |
An IfcLibraryInformation is a class that describes a library where a library is a structured store of information,
normally organized in a manner which allows information lookup through an index or reference value.
|
| IfcLibraryReference |
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