Segment kind discriminator.
End point of the arc.
Ellipse center.
Semi-axis along the (rotated) x direction.
Semi-axis along the (rotated) y direction.
Rotation of the ellipse x-axis in radians (CCW in path space).
Start angle on the ellipse in radians.
Signed sweep angle in radians (negative = clockwise in path space).
Elliptical arc in center parametrization (angles in radians).