CachedTileOverlayRenderer

open class CachedTileOverlayRenderer : MKTileOverlayRenderer

A Tile overlay that supports to zoom beyond the maximumZ

Tile servers allow from 1 to a certain zoom level typically between 16 and 21 (set in MapCacheConfig.maximumZ). Beyond that zoom levels tiles are not available in the server

This renderer takes the maximumZ tile and extracts the portion that would correspond to the requested level.

  • Indicates if the renderer is ready to draw. It´s always true

    See also

    MKOverlayRenderer

    Declaration

    Swift

    public override func canDraw(_ mapRect: MKMapRect, zoomScale: MKZoomScale) -> Bool

  • Draws the tile in the map

    Declaration

    Swift

    public override func draw(_ mapRect: MKMapRect, zoomScale: MKZoomScale, in context: CGContext)

    Parameters

    mapRect

    the map rect where the tiles need to be drawn
    zoomScale

    current zoom in the map