IFC 4.3.0.0 (IFC4X3) final

8.16.2.1 IfcCurveInterpolationEnum

8.16.2.1.1 Semantic definition

IfcCurveInterpolationEnum specifies the possible methods for the interpolation of property values given as a curve.

8.16.2.1.2 Type values

Type Description
LINEAR

Indicates that values between the defined values are to be found by linear interpolation.

LOG_LINEAR

Indicates that values between the defined values are to be found by linear interpolation of the natural logarithm (base e) of the values.

LOG_LOG

Indicates that values between the defined values are to be found by linear interpolation of the Briggs' logarithm (base 10) of the values.

NOTDEFINED

No interpolation information is provided

Table 8.16.2.1.A

8.16.2.1.3 Formal representation

TYPE IfcCurveInterpolationEnum = ENUMERATION OF
	(LINEAR
	,LOG_LINEAR
	,LOG_LOG
	,NOTDEFINED);
END_TYPE;

8.16.2.1.4 References