Class TIfcUnit

Unit

CastleIfc

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.

Hierarchy

• TObject
• TPersistent
• TComponent
• TIfcPersistent
• TIfcUnit

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