Hi,
I have solved this problem.
Do not change the frame of map view when it’s transform does not equal to
CGAffineTransformIdentity.
Best Regards,
Sunny Lee
> 在 2014年10月31日，上午12:54，sonofsky2...@gmail.com 写道：
>
> Hi all,
>
> I rotate the MKMapView with setting the rotation transform. When I use
> setCenter method to change the center coordinate of the map, the location of
> this coordinate not in the center. Does anyone know what happened, and how to
> solve this problem? Below is the code snipt.
>
>
> - (void)viewDidLoad {
> [super viewDidLoad];
> // Do any additional setup after loading the view, typically from a nib.
> static CLLocationCoordinate2D aircraftCoordinate = {22.531474,
> 113.943516};
> CGFloat width = self.view.bounds.size.width;
> CGFloat height = self.view.bounds.size.height;
> CGFloat newSize = sqrt(width* width + height * height);
> UIView *tmpView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, width,
> height)];
> [self.view insertSubview:tmpView atIndex:0];
> self.containorView = tmpView;
>
> MKMapView *tmpMapView = [[MKMapView alloc] initWithFrame:CGRectMake(0, 0,
> newSize, newSize)];
>
> [self.containorView addSubview:tmpMapView];
> self.mapView = tmpMapView;
> [tmpMapView setCenter:self.containorView.center];
>
> self.annotation = [[DJITestAnnotation alloc] init];
> _annotation.coordinate = aircraftCoordinate;
> [self.mapView addAnnotation:self.annotation];
> self.mapView.delegate = self;
>
> [self.mapView setTransform:CGAffineTransformMakeRotation(90 * M_PI_4 /
> 180)];
>
> }
>
> - (IBAction)location:(id)sender {
>
> self.mapView.camera.centerCoordinate = _annotation.coordinate;
> }
>
>
> Best Regards,
> Sunny Lee
>
>
>
>
>
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