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IfcCircleProfileDef

Definition from IAI: The IfcCircleProfileDef defines a circle as the profile definition used the swept surface geometry or the swept area solid. It is given by its Radius attribute and placed within the 2D position coordinate system, established by the Position attribute.

HISTORY: New class in IFC Release 1.5.
ISSUE: See issue and change log for changes made in IFC Release 2x.
ILLUSTRATION:
circle profile

Position
The Position attribute defines the 2D position coordinate system of the circle.

Parameter
The location of the position coordinate system defines the center of the circle. The Radius attribute defines the radius of the circle.

Table: Parameter for circle profile definition

EXPRESS specification:

ENTITY IfcCircleProfileDef
SUBTYPE OF ( IfcProfileDef);
Position  :  IfcAxis2Placement2D;
Radius  :  IfcPositiveLengthMeasure;
END_ENTITY;

Attribute definitions:

Position  :  Position coordinate system of the circle profile definition.
Radius  :  The radius of the circle.

References (1):

Name Type Referred through Express-G
IfcProfileDef Entity
Subtype
Diagram 1

Inheritance graph

ENTITY IfcCircleProfileDef;
ENTITY IfcProfileDef;
ProfileType  :  IfcProfileTypeEnum;
ProfileName  :  OPTIONAL IfcLabel;
ENTITY IfcCircleProfileDef;
Position  :  IfcAxis2Placement2D;
Radius  :  IfcPositiveLengthMeasure;
END_ENTITY;