这是我用来画第一条线的代码,
如何用另一种颜色画另一条线?
func mapView(mapView : MKMapView! , rendererForOverlay overlay: MKOverlay!) ->MKOverlayRenderer! {
if overlay is MKPolyline {
var polyLineRenderer = MKPolylineRenderer(overlay: overlay)
polyLineRenderer.strokeColor = UIColor.blackColor()
polyLineRenderer.lineWidth = 10
return polyLineRenderer
}
return nil
}