The visual representation for a circular overlay.
- iOS 7.0+
- macOS 10.9+
- tvOS 9.2+
This renderer fills and strokes the circular region represented by the overlay object. You can change the color and other drawing attributes of the circle by modifying the properties inherited from the parent class. You typically use this class as is and do not subclass it.
You create an instance of this class in your map view delegate’s