/// <summary>
/// Converts a latitude or longitude coordinate to a string.
/// </summary>
static string FormatLatLon(double coordinate, CoordinateType coordinateType, LatLonFormats latLonFormat)
{
bool isNegative = coordinate < 0;
string coordStr = "";
switch (latLonFormat)
{
case LatLonFormats.DegreesMinutesSeconds:
default:
{
coordinate = Math.Abs(coordinate);
string heading = coordinateType == CoordinateType.Latitude ? (isNegative ? "S" : "N") : (isNegative ? "W" : "E");
double d = Math.Floor(coordinate);
double m = Math.Floor((coordinate - d) * 60);
double s = Math.Round((((coordinate - d) * 60) - m) * 60);
coordStr = string.Format("{0}°{1}'{2}\"{3}", d.ToString(), m.ToString().PadLeft(2, '0'), s.ToString().PadLeft(2, '0'), heading);
break;
}
case LatLonFormats.DegreesMinutesDecSeconds:
{
coordinate = Math.Abs(coordinate);
string heading = coordinateType == CoordinateType.Latitude ? (isNegative ? "S" : "N") : (isNegative ? "W" : "E");
double d = Math.Floor(coordinate);
double m = Math.Floor((coordinate - d) * 60);
double s = Math.Round((((coordinate - d) * 60) - m) * 60, 2);
coordStr = string.Format("{0}°{1}'{2}\"{3}", d.ToString(), m.ToString().PadLeft(2, '0'), s.ToString().PadLeft(2, '0'), heading);
break;
}
case LatLonFormats.DecimalDegrees:
{
coordStr = string.Format("{0}°", Math.Round(coordinate, 6).ToString());
break;
}
}
return(coordStr);
}
/// <summary>
/// Formats the lat/lon values of the specified map point.
/// </summary>
///<remarks>The Y value is interpreted as latitude, the X value as longitude.</remarks>
public static void GetLatLonStrings(MapPoint mapPoint, out string lat, out string lon, LatLonFormats latLonFormat = LatLonFormats.DegreesMinutesSeconds)
{
lat = FormatLatLon(mapPoint.Y, CoordinateType.Latitude, latLonFormat);
lon = FormatLatLon(mapPoint.X, CoordinateType.Longitude, latLonFormat);
}
