void SetMapToCoordinate(CoreLocation.CLLocationCoordinate2D coordinate)
{
var currentSpan = new MapKit.MKCoordinateSpan(0.05, 0.05);
var region = new MapKit.MKCoordinateRegion(coordinate, currentSpan);
MyMap.SetRegion(region, true);
}
void SetMapToCoordinate(CoreLocation.CLLocationCoordinate2D coordinate)
{
var currentSpan = new MapKit.MKCoordinateSpan (0.05, 0.05);
var region = new MapKit.MKCoordinateRegion (coordinate, currentSpan);
MyMap.SetRegion (region, true);
}
public static void ChangeRegionSpanDependingOnPinchScale(this MKMapView mapView, MKCoordinateSpan originalSpan, nfloat scale)
{
var centerPixelX = LongitudeToPixelSpaceX(mapView.Region.Center.Longitude);
var centerPixelY = LatitudeToPixelSpaceY(mapView.Region.Center.Latitude);
var topLeftLongitude = mapView.Region.Center.Longitude - (originalSpan.LongitudeDelta / 2);
var topLeftLatitude = mapView.Region.Center.Latitude - (originalSpan.LatitudeDelta / 2);
var topLeftPixelX = LongitudeToPixelSpaceX(topLeftLongitude);
var topLeftPixelY = LatitudeToPixelSpaceY(topLeftLatitude);
var deltaPixelX = Math.Abs(centerPixelX - topLeftPixelX);
var deltaPixelY = Math.Abs(centerPixelY - topLeftPixelY);
var scaledDeltaPixelX = deltaPixelX / scale;
var scaledDeltaPixelY = deltaPixelY / scale;
var newLongitudeForTopLeft = PixelSpaceXToLongitude(centerPixelX - scaledDeltaPixelX);
var newLatitudeForTopLeft = PixelSpaceYToLatitude(centerPixelY - scaledDeltaPixelY);
var newDeltaLongitude = Math.Abs(newLongitudeForTopLeft - mapView.Region.Center.Longitude) * 2;
var newDeltaLatitude = Math.Abs(newLatitudeForTopLeft - mapView.Region.Center.Latitude) * 2;
newDeltaLatitude = Math.Max(0.0f, Math.Min(newDeltaLatitude, 90.0f));
newDeltaLongitude = Math.Max(0.0f, Math.Min(newDeltaLongitude, 90.0f));
var region = new MKCoordinateRegion(mapView.Region.Center, new MKCoordinateSpan(newDeltaLatitude, newDeltaLongitude));
mapView.SetRegion(region, false);
}
/// <summary>
/// Sets the map region to given Google Maps zoom level
/// Will convert the zoom level to the correct MKCoordinateSpan
/// Original Objective-C code found here: http://troybrant.net/blog/2010/01/set-the-zoom-level-of-an-mkmapview/
/// </summary>
public static void SetCenterCoordinate(this MKMapView mapView, CLLocationCoordinate2D centerCoordinate, float zoomLevel, bool animated)
{
// clamp large numbers to 28
zoomLevel = Math.Min(zoomLevel, 28);
// use the zoom level to compute the region
var span = CoordinateSpanWithMapView(mapView, centerCoordinate, zoomLevel);
var region = new MKCoordinateRegion(centerCoordinate, span);
// set the region like normal
mapView.SetRegion(region, animated);
}
private static float GetZoomLevelFromRegion(MKMapView mapView, MKCoordinateRegion region)
{
var centerPixelX = LongitudeToPixelSpaceX(region.Center.Longitude);
var x = LongitudeToPixelSpaceX(region.Center.Longitude - region.Span.LongitudeDelta);
var topLeftPixelX = (x + centerPixelX) / 2;
var scaledMapWidth = (centerPixelX - topLeftPixelX) * 2;
var zoomScale = scaledMapWidth / mapView.Bounds.Size.Width;
var zoomExponent = Math.Log(zoomScale, 2);
return(20 - (int)zoomExponent);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
var coordinate = new CoreLocation.CLLocationCoordinate2D(Double.Parse(centroSelected.Latitud), Double.Parse(centroSelected.Longitud));
var region = new MapKit.MKCoordinateRegion(coordinate, new MapKit.MKCoordinateSpan(0, 0));
centroMapView.SetRegion(region, true);
centroMapView.AddAnnotations(new MKPointAnnotation()
{
Title = centroSelected.Nombre,
Coordinate = new CLLocationCoordinate2D(Double.Parse(centroSelected.Latitud), Double.Parse(centroSelected.Longitud)),
});
mapCentroActionButton.Clicked += MapCentroActionItem_Clicked;
}
