Class

MKCircle

A circular overlay with a configurable radius and centered on a specific geographic coordinate.

Declaration

@interface MKCircle : MKShape

Overview

This class defines the portion of the map that the overlay covers. To draw the region, return a MKCircleRenderer object from the mapView:rendererForOverlay: method of your map view delegate.

Topics

Creating a Circle Overlay

+ circleWithCenterCoordinate:radius:

Creates and returns an MKCircle object using the specified coordinate and radius.

+ circleWithMapRect:

Creates and returns an MKCircle object where the circular area is derived from the specified rectangle.

Accessing the Overlay’s Attributes

coordinate

The center point of the circular area, specified as a latitude and longitude.

radius

The radius of the circular area, measured in meters.

boundingMapRect

The bounding rectangle of the circular area.

Relationships

Inherits From

Conforms To

See Also

Circle

MKCircleRenderer

The visual representation for a circular overlay.