Returns the WCS major axis vector for the elliptical figure (ellipse or arc). The major axis defines the major radius and rotation of the elliptical figure in the plane.

Example of Working with the Ellipse Object 

Example of Working with the Elliptical Arc 

Specific Ellipse Properties 

OdDbEllipse::minorAxis() method 

OdDbEllipse::radiusRatio() method

OdDbEllipse Methods