Returns the WCS minor axis vector for the elliptical figure (ellipse or arc). The minor axis defines the minor radius. The minor axis is perpendicular to the major axis. The minor radius less than or equal the major radius.

Example of Working with the Ellipse Object 

Example of Working with the Elliptical Arc 

Specific Ellipse Properties 

OdDbEllipse::majorAxis() method 

OdDbEllipse::radiusRatio() method