Class TIfcUnit

Unit

Declaration

type TIfcUnit = class abstract(TIfcPersistent)

Description

Abstract unit: a physical quantity, with a value of one, which is used as a standard in terms of which other quantities are expressed.

Spec: https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/HTML/lexical/IfcUnit.htm

This is not a class, but a type choice in IFC standard. We express it as class, as this works: all 3 choices can just descend from this class.

Source: scene/load/ifc/castleifc_ifc_standard_types.inc (line 4435).

Hierarchy


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