Other Functions

The following functions are available globally.

Utilities

  • Converts a map scale to a zoom level.

    Declaration

    Objective-C

    NSUInteger AWFMapZoomLevelFromZoomScale(MKZoomScale zoomScale)

    Swift

    func AWFMapZoomLevelFromZoomScale(_ zoomScale: MKZoomScale) -> UInt

    Parameters

    zoomScale

    The zoom scale to convert.

    Return Value

    The zoom level corresponding to the zoom scale.

  • Returns a map coordinate that corresponds to the specified point.

    Declaration

    Objective-C

    CLLocationCoordinate2D AWFMapTilePointToCoordinate(CGPoint point,
                                                   NSUInteger zoomLevel)

    Swift

    func AWFMapTilePointToCoordinate(_ point: CGPoint, _ zoomLevel: UInt) -> CLLocationCoordinate2D

    Parameters

    point

    The point to convert.
    zoomLevel

    The zoom level to use when converting to map coordinates.

    Return Value

    The map coordinate at the point.

  • Returns tile x and y indexes that contain the map point.

    Declaration

    Objective-C

    CGPoint AWFMapPointToTilePoint(MKMapPoint mapPoint, NSUInteger zoomLevel)

    Swift

    func AWFMapPointToTilePoint(_ mapPoint: MKMapPoint, _ zoomLevel: UInt) -> CGPoint

    Parameters

    mapPoint

    The map point to convert.
    zoomLevel

    The zoom level to use when calculating tile indexes.

    Return Value

    The tile x and y indexes that contain the map point.

  • Returns tile x and y indexes that contain the map coordinate.

    Declaration

    Objective-C

    CGPoint AWFMapTilePointFromCoordinate(CLLocationCoordinate2D coord,
                                      NSUInteger zoomLevel)

    Swift

    func AWFMapTilePointFromCoordinate(_ coord: CLLocationCoordinate2D, _ zoomLevel: UInt) -> CGPoint

    Parameters

    coord

    The map coordinate to convert.
    zoomLevel

    The zoom level to use when calculating the tile indexes.

    Return Value

    The tile x and y indexes that contain the map coordinate.