OptionalaOptionalaOptionalaxisOptionalkindOptionalmeridianOptionalmodeOptionaloffsetA translation from the canonical position. This is the third and last operation applied to canonical vertex data.
OptionalstressA scaling along the standard basis directions from the canonical unit scaling. This is the first operation applied to canonical vertex data.
OptionaltiltOptionaluOptionaluOptionalu
A parametric function determining the positions of points on the curve.