Editing IFC - Industry Foundation Classes/IFC aggregates
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− | + | Aggregate meaning a whole formed by combining several separate elements | |
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+ | In IFC, it is possible to describe how a particular element is made out of many sub elements of the same type. This description is called an "aggregation". | ||
Types of elements that represent objects, like walls and doors, can be aggregated, or collected. | Types of elements that represent objects, like walls and doors, can be aggregated, or collected. | ||
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** Stairs may include multiple stair flights, some landings, and railings. | ** Stairs may include multiple stair flights, some landings, and railings. | ||
− | + | Note that aggregations only apply to elements of the same type. You cannot mix element types. For example, you cannot say a space consists of furniture - as the space element is a different type of element to the furniture element. | |
How to create aggregates in: | How to create aggregates in: | ||
− | * BlenderBIM | + | * BlenderBIM |
− | * FreeCAD | + | * FreeCAD |
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Further reading: | Further reading: | ||
* [https://community.osarch.org/discussion/comment/3657#Comment_3657 OSArch Community] | * [https://community.osarch.org/discussion/comment/3657#Comment_3657 OSArch Community] | ||
* [https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2/HTML/schema/ifckernel/lexical/ifcrelaggregates.htm BuildingSmart Semantic definitions at the entity] | * [https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2/HTML/schema/ifckernel/lexical/ifcrelaggregates.htm BuildingSmart Semantic definitions at the entity] | ||
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[[Category:Industry Foundation Classes (IFC)]] | [[Category:Industry Foundation Classes (IFC)]] |