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8.9.2.8 IfcKnotType

8.9.2.8.1 Semantic definition

The IfcKnotType indicates the particular form of b-spline knots.

{ .extDef}

8.9.2.8.2 Type values

Type	Description
`PIECEWISE_BEZIER_KNOTS`	The form of knots appropriate for a piecewise Bezier curve.
`QUASI_UNIFORM_KNOTS`	The form of knots appropriate for a quasi-uniform B-spline curve.
`UNIFORM_KNOTS`	The form of knots appropriate for a uniform B-spline curve.
`UNSPECIFIED`	The type of knots is not specified. This includes the case of non uniform knots.

Table A

8.9.2.8.3 Formal representation

TYPE IfcKnotType = ENUMERATION OF
(PIECEWISE_BEZIER_KNOTS
,QUASI_UNIFORM_KNOTS
,UNIFORM_KNOTS
,UNSPECIFIED);
END_TYPE;

8.9.2.8.4 References

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3 contributor(s):
Last change: Improve definition split (#876) * bring back headers headers were previously removed by mistake, now bringing them back * add new lines and rename the tag add the word 'short' in it * unify newlines make exactly one newline before and two after the tag * resolving typos Because bringing back headers required to go back in time to previous version, I'm now re-resolving the issues: #861, #860, #856 by ArturTomczak on 2024-07-16T16:07:28+02:00

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8.9.2.8.5 Changelog

8.9.2.8.5.1 IFC4

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