private void DDMMMtoDDD()
{
// Now it's tricky...
String c = tbLatLonDDMMM.Text;
c = c.TrimStart(null);
c = c.TrimEnd(null);
int iNS = Math.Max(c.IndexOf("N"), c.IndexOf("S"));
int iEW = Math.Max(c.IndexOf("E"), c.IndexOf("W"));
if ((iNS == -1) || (iEW == -1))
{
tbLatLonDDD.Text = CoordConvHMI._sErrorValue;
}
String c1 = "";
String c2 = "";
if (iNS < iEW)
{
c1 = c.Substring(0, iEW);
c2 = c.Substring(iEW);
}
else
{
c2 = c.Substring(0, iNS);
c1 = c.Substring(iNS);
}
tbLatLonDDD.Text = CoordConvHMI.OneConvertDDMMM2DDD(c1, "S", "N", true) + " " + CoordConvHMI.OneConvertDDMMM2DDD(c2, "W", "E", false);
}
/// <summary>
/// Check if longitude and latitude in decimal degrees are within valid range
/// </summary>
/// <param name="decimal_degrees">longitude or latitude</param>
/// <param name="bLat">True if latitude</param>
/// <returns>true if value is correct</returns>
static public bool CheckLonLatValidity(String decimal_degrees, bool bLat)
{
try
{
double coord = MyTools.ConvertToDouble(decimal_degrees);
return(CoordConvHMI.CheckLonLatValidity(coord, bLat));
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// Check if longitude and latitude in decimal degrees are within valid range
/// </summary>
/// <param name="decimal_degrees_lon">longitude in decimal degrees (-180 / +180)</param>
/// <param name="decimal_degrees_lat">latitude in decimal degrees (-90 / +90)</param>
/// <returns>true if both values are correct</returns>
static public bool CheckLonLatValidity(String decimal_degrees_lon, String decimal_degrees_lat)
{
try
{
double lon = MyTools.ConvertToDouble(decimal_degrees_lon);
double lat = MyTools.ConvertToDouble(decimal_degrees_lat);
return(CoordConvHMI.CheckLonLatValidity(lon, lat));
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// converts coordinates from DDMMM to DDD
/// From DD° MM.MMM : N 48° 46.164 E 01° 58.048
/// To DD.DDDDDD : 48.769408 1.967473
/// </summary>
/// <param name="LatLonDDMMM">coordinates to convert</param>
/// <param name="sLat">output, N or S</param>
/// <param name="sLon">output, E or W</param>
/// <returns>true if coordinates are valid</returns>
static public bool DDMMMtoDDD(String LatLonDDMMM, ref String sLat, ref String sLon)
{
// Now it's tricky...
String c = LatLonDDMMM;
c = c.TrimStart(null);
c = c.TrimEnd(null);
int iNS = Math.Max(c.IndexOf("N"), c.IndexOf("S"));
int iEW = Math.Max(c.IndexOf("E"), c.IndexOf("W"));
if ((iNS == -1) || (iEW == -1))
{
return(false);
}
String c1 = "";
String c2 = "";
if (iNS < iEW)
{
c1 = c.Substring(0, iEW);
c2 = c.Substring(iEW);
}
else
{
c2 = c.Substring(0, iNS);
c1 = c.Substring(iNS);
}
sLat = CoordConvHMI.OneConvertDDMMM2DDD(c1, "S", "N", true);
sLon = CoordConvHMI.OneConvertDDMMM2DDD(c2, "W", "E", false);
if ((sLat != CoordConvHMI._sErrorValue) && (sLon != CoordConvHMI._sErrorValue))
{
return(true);
}
else
{
return(false);
}
}