static private double DistanceCalculate(GeoCoordinate fromCoordanate, GeoCoordinate toCoordanate)
{
double distance = 0.0;
double circumference = 40000.0; // Earth's circumference at the equator in km
//Calculate radians
double latitudeFromRad = DegreesToRadians(fromCoordanate.Latitude);
double longitudeFromRad = DegreesToRadians(fromCoordanate.Longitude);
double latititudeToRad = DegreesToRadians(toCoordanate.Latitude);
double longitudeToRad = DegreesToRadians(toCoordanate.Longitude);
double logitudeDiff = Math.Abs(longitudeFromRad - longitudeToRad);
if (logitudeDiff > Math.PI)
{
logitudeDiff = 2.0 * Math.PI - logitudeDiff;
}
double angleCalculation =
Math.Acos(
Math.Sin(latititudeToRad) * Math.Sin(latitudeFromRad) +
Math.Cos(latititudeToRad) * Math.Cos(latitudeFromRad) * Math.Cos(logitudeDiff));
distance = circumference * angleCalculation / (2.0 * Math.PI);
return distance;
}
public LocationMarker(ScnDiscounts.Helpers.GeoCoordinate coordinates)
{
System.Windows.Controls.Image imgPin = new System.Windows.Controls.Image();
BitmapImage bmp = new BitmapImage(new Uri(@"/assets/MapPins/ic_pin_navigation.png", UriKind.Relative));
imgPin.Source = bmp;
//imgPin.Width = 60;
//imgPin.Height = 60;
Content = imgPin;
GeoCoordinate = new System.Device.Location.GeoCoordinate(coordinates.Latitude, coordinates.Longitude);
PositionOrigin = new System.Windows.Point(0.0, 0.0);
}
public GeoLocationEventArgs(GeoCoordinate coordinates)
{
Coordinate = coordinates;
}