Class TIfcPolyline
Unit
Declaration
type TIfcPolyline = class(TIfcBoundedCurve)
Description
Bounded curve with only linear segments defined by a list of Cartesian points. If the first and the last Cartesian point in the list are identical, then the polyline is a closed curve, otherwise it is an open curve.
Spec: https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/HTML/lexical/IfcPolyline.htm
Hierarchy
- TObject
- TPersistent
- TComponent
- TIfcPersistent
- TIfcRepresentationItem
- TIfcGeometricRepresentationItem
- TIfcCurve
- TIfcBoundedCurve
- TIfcPolyline
Overview
Methods
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constructor Create(AOwner: TComponent); override; |
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destructor Destroy; override; |
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function BuildNode(const Mapping: TCastleIfcMapping; const ParentProduct: TIfcProduct; const LitAppearance, UnlitAppearance: TAppearanceNode): TAbstractChildNode; override; |
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procedure UpdateCrossSection(const CrossSection: TVector2List; var CrossSectionConvex: Boolean); override; |
Properties
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property Points: TIfcCartesianPointList read FPoints; |
Description
Methods
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constructor Create(AOwner: TComponent); override; |
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This item has no description. | |
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destructor Destroy; override; |
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This item has no description. | |
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function BuildNode(const Mapping: TCastleIfcMapping; const ParentProduct: TIfcProduct; const LitAppearance, UnlitAppearance: TAppearanceNode): TAbstractChildNode; override; |
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This item has no description. Showing description inherited from TIfcRepresentationItem.BuildNode.
Build a node to display this using Castle Game Engine. Returns
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procedure UpdateCrossSection(const CrossSection: TVector2List; var CrossSectionConvex: Boolean); override; |
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This item has no description. Showing description inherited from TIfcCurve.UpdateCrossSection. Update CrossSection to be used by IfcExtrudedAreaSolid. In the base class, this reuses BuildNode and extracts cross section information from a temporary node. Override to provide more optimized implementation. Set CrossSectionConvex to | |
Properties
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property Points: TIfcCartesianPointList read FPoints; |
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Points defining the polyline. | |
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