IFC 4.4.0.0 build 20261005 (IFC4X4_DEV_20260525) ⚠ buildingSMART Working Draft. All content is under development.

5.4.5.5 Qto_SiteBaseQuantities

5.4.5.5.1 Semantic definition

Base quantities that are common to the definition of all occurrences of site.

5.4.5.5.2 Applicable entities

IfcSite

5.4.5.5.3 Properties

Name	Data Type	Description
GrossPerimeter	IfcQuantityLength	Gross perimeter at the outer contour of the object. Measured in horizontal projection.
GrossArea	IfcQuantityArea	Gross Area of the object. Openings, recesses, projections and cut-outs are not taken into account. Measured in horizontal projections.

Name

Data Type

Description

GrossPerimeter

IfcQuantityLength

Gross perimeter at the outer contour of the object.

Measured in horizontal projection.

GrossArea

IfcQuantityArea

Gross Area of the object. Openings, recesses, projections and cut-outs are not taken into account.

Measured in horizontal projections.

Table A

Edit on Github

2 contributor(s):
Last change: Improve definition split (#876) * bring back headers headers were previously removed by mistake, now bringing them back * add new lines and rename the tag add the word 'short' in it * unify newlines make exactly one newline before and two after the tag * resolving typos Because bringing back headers required to go back in time to previous version, I'm now re-resolving the issues: #861, #860, #856 by ArturTomczak on 2024-07-16T16:07:28+02:00

Is this page difficult to understand? Let us know!

5.4.5.5.4 Changelog

5.4.5.5.4.1 IFC4

New resource