사용이 :
extension MKMapView {
/// when we call this function, we have already added the annotations to the map, and just want all of them to be displayed.
func fitAll() {
var zoomRect = MKMapRectNull;
for annotation in annotations {
let annotationPoint = MKMapPointForCoordinate(annotation.coordinate)
let pointRect = MKMapRectMake(annotationPoint.x, annotationPoint.y, 0.01, 0.01);
zoomRect = MKMapRectUnion(zoomRect, pointRect);
}
setVisibleMapRect(zoomRect, edgePadding: UIEdgeInsetsMake(100, 100, 100, 100), animated: true)
}
/// we call this function and give it the annotations we want added to the map. we display the annotations if necessary
func fitAll(in annotations: [MKAnnotation], andShow show: Bool) {
var zoomRect:MKMapRect = MKMapRectNull
for annotation in annotations {
let aPoint = MKMapPointForCoordinate(annotation.coordinate)
let rect = MKMapRectMake(aPoint.x, aPoint.y, 0.1, 0.1)
if MKMapRectIsNull(zoomRect) {
zoomRect = rect
} else {
zoomRect = MKMapRectUnion(zoomRect, rect)
}
}
if(show) {
addAnnotations(annotations)
}
setVisibleMapRect(zoomRect, edgePadding: UIEdgeInsets(top: 100, left: 100, bottom: 100, right: 100), animated: true)
}
}
다음, map
예를 들어,지도보기위한 출구를 생성 한 후 당신 주석과 두 배열에 annotations
라고의지도에 추가, 같은 위의 방법에 액세스 그래서 :
map.fitAll()
또는
map.fitAll(in:annotations, true)
입니다.
사용 사실 또는 이전 여부를지도에 주석을 추가 한 여부에 따라 마지막 문에서 거짓 ... 스위프트에서