Class TIfcRelVoidsElement

Unit

CastleIfc

Declaration

type TIfcRelVoidsElement = class(TIfcRoot)

Description

Relationship between a building element and one opening element that creates a void in the element. It is a one-to-one relationship. This relationship implies a boolean operation of subtraction between the geometric bodies of the element and the opening.

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

Hierarchy

• TObject
• TPersistent
• TComponent
• TIfcPersistent
• TIfcRoot
• TIfcRelVoidsElement

Overview

Methods

function BuildNode(const Mapping: TCastleIfcMapping): TAbstractChildNode;

Properties

	property RelatingBuildingElement: TIfcElement read FRelatingBuildingElement write FRelatingBuildingElement;
	property RelatedOpeningElement: TIfcFeatureElementSubtraction read FRelatedOpeningElement write FRelatedOpeningElement;

Description

Methods

	function BuildNode(const Mapping: TCastleIfcMapping): TAbstractChildNode;
This item has no description.

Properties

	property RelatingBuildingElement: TIfcElement read FRelatingBuildingElement write FRelatingBuildingElement;
This item has no description.

	property RelatedOpeningElement: TIfcFeatureElementSubtraction read FRelatedOpeningElement write FRelatedOpeningElement;
This item has no description.

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