the reference in which the elliptical arc is defined.
the center point.
the semi-major axis of the ellipse defining the arc, in meters.
the semi-minor axis of the ellipse defining the arc, in meters.
the rotation azimuth of the ellipse defining the arc, in degrees, positive clockwise from 12 o'clock (north).
the start azimuth, in degrees, positive clockwise from 12 o'clock (north).
the angle over which the arc extends, in degrees, positive clockwise.
the arc
Creates a elliptical arc defined by a center point, semi-major axis, semi-minor axis, a start angle and a sweep angle.