IFC 4.3.1.0 (IFC4X3_ADD1) development

6.1.5.2 Qto_BuildingElementProxyQuantities

6.1.5.2.1 Semantic definition

Quantity set for Building Element Proxies.

6.1.5.2.2 Applicable entities

6.1.5.2.3 Properties

Name Data Type Description
NetSurfaceArea IfcQuantityArea

Net surface area of the object, normally generated as perimeter * length + 2 * cross section area taking into account possible processing features (cut-out's, etc.) or openings and recesses.

NetVolume IfcQuantityVolume

Total net volume of the object, taking into account possible processing features (cut-out's, etc.) or openings and recesses.

Table 6.1.5.2.A

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6.1.5.2.4 Changelog

6.1.5.2.4.1 IFC4

  • New resource

6.1.5.2.4.2 IFC4.3_DEV_9f90c1f0

  • applicability, IfcBuildingElementProxyType
  • property NetSurfaceArea, Changed from "Q_COUNT" to "Q_AREA"
  • property NetVolume, Changed from "Q_COUNT" to "Q_VOLUME"