MapKit 12 Draw a figure on the map (circle)

Swift3.0 // // ViewController.swift // MapKit012 // // Created by Misato Morino on 2016/08/15. // Copyright © 2016年 Misato Morino. All rights reserved. // import UIKit import MapKit class ViewController: UIViewController, MKMapViewDelegate { // 経度緯度. let myLan: CLLocationDegrees = 37.331741 let myLon: CLLocationDegrees = -122.030333 var center: CLLocationCoordinate2D! override func viewDidLoad() { super.viewDidLoad() // 地図の中心の座標. center = CLLocationCoordinate2DMake(myLan, myLon) // mapViewを生成. let myMapView: MKMapView = MKMapView() myMapView.frame = self.view.frame myMapView.center = self.view.center myMapView.centerCoordinate = center myMapView.delegate = self // 縮尺を設定. let mySpan: MKCoordinateSpan = MKCoordinateSpan(latitudeDelta: 0.1, longitudeDelta: 0.1) let myRegion: MKCoordinateRegion = MKCoordinateRegion(center: center, span: mySpan) // regionをmapViewに追加. myMapView.region = myRegion // viewにmapViewを追加. self.view.addSubview(myMapView) // 円を描画する(半径1000m). let myCircle: MKCircle = MKCircle(center: center, radius: CLLocationDistance(1000)) // mapViewにcircleを追加. myMapView.add(myCircle) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } /* addOverlayした際に呼ばれるデリゲートメソッド. */ func mapView(_ mapView: MKMapView, rendererFor overlay: MKOverlay) -> MKOverlayRenderer { // rendererを生成. let myCircleView: MKCircleRenderer = MKCircleRenderer(overlay: overlay) // 円の内部を赤色で塗りつぶす. myCircleView.fillColor = UIColor.red // 円周の線の色を黒色に設定. myCircleView.strokeColor = UIColor.black // 円を透過させる. myCircleView.alpha = 0.5 // 円周の線の太さ. myCircleView.lineWidth = 1.5 return myCircleView } } Swift 2.3 // // ViewController.swift // MapKit012 // // Created by Misato Morino on 2016/08/15. // Copyright © 2016年 Misato Morino. All rights reserved. // import UIKit import MapKit class ViewController: UIViewController, MKMapViewDelegate { // 経度緯度. let myLan: CLLocationDegrees = 37.331741 let myLon: CLLocationDegrees = -122.030333 var center: CLLocationCoordinate2D! override func viewDidLoad() { super.viewDidLoad() // 地図の中心の座標. center = CLLocationCoordinate2DMake(myLan, myLon) // mapViewを生成. let myMapView: MKMapView = MKMapView() myMapView.frame = self.view.frame myMapView.center = self.view.center myMapView.centerCoordinate = center myMapView.delegate = self // 縮尺を設定. let mySpan: MKCoordinateSpan = MKCoordinateSpan(latitudeDelta: 0.1, longitudeDelta: 0.1) let myRegion: MKCoordinateRegion = MKCoordinateRegion(center: center, span: mySpan) // regionをmapViewに追加. myMapView.region = myRegion // viewにmapViewを追加. self.view.addSubview(myMapView) // 円を描画する(半径1000m). let myCircle: MKCircle = MKCircle(centerCoordinate: center, radius: CLLocationDistance(1000)) // mapViewにcircleを追加. myMapView.addOverlay(myCircle) } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } /* addOverlayした際に呼ばれるデリゲートメソッド. */ func mapView(mapView: MKMapView, rendererForOverlay overlay: MKOverlay) -> MKOverlayRenderer { // rendererを生成. let myCircleView: MKCircleRenderer = MKCircleRenderer(overlay: overlay) // 円の内部を赤色で塗りつぶす. myCircleView.fillColor = UIColor.redColor() // 円周の線の色を黒色に設定. myCircleView.strokeColor = UIColor.blackColor() // 円を透過させる. myCircleView.alpha = 0.5 // 円周の線の太さ. myCircleView.lineWidth = 1.5 return myCircleView } } 2.3と3.0の差分 addOverlay から add に変更 init(centerCoordinate: center, radius: CLLocationDistance(1000)) から init(center: center, radius: CLLocationDistance(1000)) に変更