CANONICALLY PARAMETERISED ELLIPSE
Definition
An object is a <CANONICALLY PARAMETERISED ELLIPSE>if and only if: it is an <ELLIPSE>; it is a <PARAMETERISED CURVE>; it has the canonical parameterisation for an ellipse : λ(u) = C + (R1 cos(u)).x + (R2 sin(u)).y As defined in ISO 15926 Part 3 Section 4.5.3.8