/// <summary>
/// Zooms XamGeographicMap to a given geographic location
/// </summary>
/// <param name="geoMap"></param>
/// <param name="geoLocation"></param>
/// <param name="mapZoomScale"></param>
public static void ZoomMapToLocation(this XamGeographicMap geoMap, GeoLocation geoLocation, double mapZoomScale = 0.1)
{
//validate geoMargin
if (double.IsInfinity(mapZoomScale) || double.IsNaN(mapZoomScale))
{
mapZoomScale = 0.1;
}
mapZoomScale = System.Math.Abs(mapZoomScale);
//// navigate to a geographic location
//var geoRect = new Rect(geoLocation.Longitude - geoMargin, geoLocation.Latitude - geoMargin, 2 * geoMargin, 2 * geoMargin);
////Rect windowRect = geoMap.GetZoomFromGeographic(geoRect);
//var geoRegion = new GeoRegion(geoLocation, geoMargin);
//var southEast = new Point(geoLocation.Longitude - geoMargin, geoLocation.Latitude + geoMargin);
//var northWest = new Point(geoLocation.Longitude + geoMargin, geoLocation.Latitude - geoMargin);
//var windowRect2 = geoMap.GetZoomFromGeographic(geoRegion.NorthWest.ToPoint(), geoRegion.SouthEast.ToPoint());
//var windowRect = geoMap.GetZoomFromGeographic(northWest, southEast);
var longitudeOffset = (180 * 2 * mapZoomScale) / 2;
var latitudeOffset = (85 * 2 * mapZoomScale) / 2;
var cartLocation = geoMap.GetWindowPoint(geoLocation.ToPoint());
var cartNorthWest = new Point(cartLocation.X - 50, cartLocation.Y - 50);
var cartSouthEast = new Point(cartLocation.X + 50, cartLocation.Y + 50);
var w = cartSouthEast.X - cartNorthWest.X;
var h = cartSouthEast.Y - cartNorthWest.Y;
var cartRect = new Rect(cartNorthWest.X, cartNorthWest.Y, w, h);
DebugManager.Log("cartRect " + cartRect);
var geoRect = geoMap.GetGeographicFromZoom(cartRect);
DebugManager.Log("geoRect " + geoRect);
var northWest = new Point(geoLocation.Longitude - longitudeOffset, geoLocation.Latitude + latitudeOffset);
var southEast = new Point(geoLocation.Longitude + longitudeOffset, geoLocation.Latitude - latitudeOffset);
var geoRegion44 = new GeoRegion(northWest, southEast);
northWest = geoMap.GetGeographicPoint(cartNorthWest);
southEast = geoMap.GetGeographicPoint(cartSouthEast);
DebugManager.Log("cartNorthWest " + cartNorthWest + " cartSouthEast " + cartSouthEast);
DebugManager.Log("geoNorthWest " + northWest + " geoSouthEast " + southEast);
var windowRect44 = geoMap.GetZoomFromGeographic(northWest, southEast);
windowRect44 = geoMap.GetZoomFromGeographic(geoRect);
DebugManager.Log("geoLocation " + geoLocation.ToPoint());
DebugManager.Log("geoRegion44 " + geoRegion44.ToRect());
//DebugManager.Log("geoRect4 " + geoRect4);
//DebugManager.Log("windowRect4 " + windowRect4);
DebugManager.Log("windowRect4 " + windowRect44);
geoMap.WindowRect = windowRect44;
}
public static void ZoomMapToRegion(this XamGeographicMap geoMap, GeoRegion region)
{
var windowRect = geoMap.GetZoomFromGeographic(region.ToRect());
geoMap.ZoomMapToWindow(windowRect);
}