7.0 Import, Export and Linking
This section of the standard discusses methods of importing properties and content into a BIM object and also any requirements for the preparation of a BIM object for export.
7.2 Exporting BIM objects
| | 7.2 Exporting BIM objects
This sub-section of the standard discusses the requirements and recommendations for the preparation of BIM objects for export to other BIM applications, such as the requirements for mapping non-conforming hard-coded properties from the BIM authoring system to the correct IFC property. |
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| 7.2.1 | IFC assignment |
| | The properties of ‘IfcExportAs’ and ‘IfcExportType’ shall be checked and values completed before object export, see clause 4 3 2. |
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| 7.2.2 | Mapping of hard-coded properties
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| | Where a hard-coded property is identical in description/value requirement to a defined IFC property, but does not identically reflect the name of the corresponding IFC property, then that hard-coded property shall be mapped to the corresponding IFC property at export.
Note: Some BIM authoring systems will automatically map hard-coded properties to the relevant IFC properties. |
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| 7.2.3 | External data sets |
| | An object can be linked to external data sets Any properties required by downstream BIM uses/applications shall be natively stored on the object at or prior to export, unless such downstream BIM applications can also access the corresponding data sets. |
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| 7.2.4 | Test export |
| | Objects shall be tested to ensure export results are as intended.
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