/// <summary>
/// Create a new WGS84 position from a string containing both
/// latitude and longitude. The string is parsed based on the
/// supplied format.
/// </summary>
/// <param name="positionString"></param>
/// <param name="format"></param>
public WGS84Position(string positionString, WGS84Format format)
: base(Grid.WGS84)
{
if (format == WGS84Format.Degrees)
{
positionString = positionString.Trim();
string[] lat_lon = positionString.Split(' ');
if (lat_lon.Length == 2)
{
Latitude = double.Parse(lat_lon[0], CultureInfo.InvariantCulture);
Longitude = double.Parse(lat_lon[1], CultureInfo.InvariantCulture);
}
else
{
throw new FormatException("The position string is invalid");
}
}
else if (format == WGS84Format.DegreesMinutes || format == WGS84Format.DegreesMinutesSeconds)
{
int firstValueEndPos = 0;
if(format== WGS84Format.DegreesMinutes)
firstValueEndPos = positionString.IndexOf("'");
else if(format == WGS84Format.DegreesMinutesSeconds)
firstValueEndPos = positionString.IndexOf("\"");
string lat = positionString.Substring(0, firstValueEndPos + 1).Trim();
string lon = positionString.Substring(firstValueEndPos + 1).Trim();
SetLatitudeFromString(lat, format);
SetLongitudeFromString(lon, format);
}
}
/// <summary>
/// Returns a string representation in the given format
/// </summary>
/// <param name="format"></param>
/// <returns></returns>
public string LongitudeToString(WGS84Format format)
{
switch (format)
{
case WGS84Format.DegreesMinutes:
return(this.ConvToDmString(this.Longitude, 'E', 'W'));
case WGS84Format.DegreesMinutesSeconds:
return(this.ConvToDmsString(this.Longitude, 'E', 'W'));
default:
return(this.Longitude.ToString(CultureInfo.InvariantCulture));
}
}
/// <summary>
/// Returns a string representation in the given format
/// </summary>
/// <param name="format"></param>
/// <returns></returns>
public string LongitudeToString(WGS84Format format)
{
if (format == WGS84Format.DegreesMinutes)
{
return(ConvToDmString(Longitude, 'E', 'W'));
}
else if (format == WGS84Format.DegreesMinutesSeconds)
{
return(ConvToDmsString(Longitude, 'E', 'W'));
}
else
{
return(Longitude.ToString());
}
}
/// <summary>
/// Set the longitude value from a string. The string is
/// parsed based on given format
/// </summary>
/// <param name="value">String represenation of a longitude value</param>
/// <param name="format">Coordinate format in the string</param>
public void SetLongitudeFromString(string value, WGS84Format format)
{
if (format == WGS84Format.DegreesMinutes)
{
Longitude = ParseValueFromDmString(value, "W");
}
else if (format == WGS84Format.DegreesMinutesSeconds)
{
Longitude = ParseValueFromDmsString(value, "W");
}
else if (format == WGS84Format.Degrees)
{
Longitude = double.Parse(value);
}
}
/// <summary>
/// Set the longitude value from a string. The string is
/// parsed based on given format
/// </summary>
/// <param name="value">String represenation of a longitude value</param>
/// <param name="format">Coordinate format in the string</param>
public void SetLongitudeFromString(string value, WGS84Format format)
{
switch (format)
{
case WGS84Format.DegreesMinutes:
this.Longitude = this.ParseValueFromDmString(value, 'W');
break;
case WGS84Format.DegreesMinutesSeconds:
this.Longitude = this.ParseValueFromDmsString(value, 'W');
break;
case WGS84Format.Degrees:
this.Longitude = double.Parse(value, CultureInfo.InvariantCulture);
break;
}
}
/// <summary>
/// Set the latitude value from a string. The string is
/// parsed based on given format
/// </summary>
/// <param name="value">String represenation of a latitude value</param>
/// <param name="format">Coordinate format in the string</param>
public void SetLatitudeFromString(string value, WGS84Format format)
{
value = value.Trim();
if (format == WGS84Format.DegreesMinutes)
{
Latitude = ParseValueFromDmString(value, "S");
}
else if (format == WGS84Format.DegreesMinutesSeconds)
{
Latitude = ParseValueFromDmsString(value, "S");
}
else if (format == WGS84Format.Degrees)
{
Latitude = double.Parse(value);
}
}
/// <summary>
/// Create a new WGS84 position from a string containing both
/// latitude and longitude. The string is parsed based on the
/// supplied format.
/// </summary>
/// <param name="positionString"></param>
/// <param name="format"></param>
public WGS84Position(string positionString, WGS84Format format)
: base(Grid.WGS84)
{
if (format == WGS84Format.Degrees)
{
positionString = positionString.Trim();
string[] latLon = positionString.Split(' ');
if (latLon.Length == 2)
{
this.Latitude = double.Parse(latLon[0], CultureInfo.InvariantCulture);
this.Longitude = double.Parse(latLon[1], CultureInfo.InvariantCulture);
}
else
{
throw new FormatException("The position string is invalid");
}
}
else if (format == WGS84Format.DegreesMinutes || format == WGS84Format.DegreesMinutesSeconds)
{
int firstValueEndPos = 0;
switch (format)
{
case WGS84Format.DegreesMinutes:
firstValueEndPos = positionString.IndexOf("'", StringComparison.Ordinal);
break;
case WGS84Format.DegreesMinutesSeconds:
firstValueEndPos = positionString.IndexOf("\"", StringComparison.Ordinal);
break;
}
string lat = positionString.Substring(0, firstValueEndPos + 1).Trim();
string lon = positionString.Substring(firstValueEndPos + 1).Trim();
this.SetLatitudeFromString(lat, format);
this.SetLongitudeFromString(lon, format);
}
}
/// <summary>
/// Set the longitude value from a string. The string is
/// parsed based on given format
/// </summary>
/// <param name="value">String represenation of a longitude value</param>
/// <param name="format">Coordinate format in the string</param>
public void SetLongitudeFromString(string value, WGS84Format format)
{
if (format == WGS84Format.DegreesMinutes)
Longitude = ParseValueFromDmString(value, "W");
else if (format == WGS84Format.DegreesMinutesSeconds)
Longitude = ParseValueFromDmsString(value, "W");
else if (format == WGS84Format.Degrees)
{
Longitude = double.Parse(value);
}
}
/// <summary>
/// Set the latitude value from a string. The string is
/// parsed based on given format
/// </summary>
/// <param name="value">String represenation of a latitude value</param>
/// <param name="format">Coordinate format in the string</param>
public void SetLatitudeFromString(string value, WGS84Format format)
{
value = value.Trim();
if(format == WGS84Format.DegreesMinutes)
Latitude = ParseValueFromDmString(value, "S");
else if (format == WGS84Format.DegreesMinutesSeconds)
Latitude = ParseValueFromDmsString(value, "S");
else if(format == WGS84Format.Degrees)
{
Latitude = double.Parse(value);
}
}
/// <summary>
/// Returns a string representation in the given format
/// </summary>
/// <param name="format"></param>
/// <returns></returns>
public string LongitudeToString(WGS84Format format)
{
if (format == WGS84Format.DegreesMinutes)
return ConvToDmString(Longitude, 'E', 'W');
else if (format == WGS84Format.DegreesMinutesSeconds)
return ConvToDmsString(Longitude, 'E', 'W');
else
return Longitude.ToString();
}
/// <summary>
/// Set the longitude value from a string. The string is
/// parsed based on given format
/// </summary>
/// <param name="value">String represenation of a longitude value</param>
/// <param name="format">Coordinate format in the string</param>
public void SetLongitudeFromString(string value, WGS84Format format)
{
switch (format)
{
case WGS84Format.DegreesMinutes:
this.Longitude = this.ParseValueFromDmString(value, 'W');
break;
case WGS84Format.DegreesMinutesSeconds:
this.Longitude = this.ParseValueFromDmsString(value, 'W');
break;
case WGS84Format.Degrees:
this.Longitude = double.Parse(value, CultureInfo.InvariantCulture);
break;
}
}
/// <summary>
/// Returns a string representation in the given format
/// </summary>
/// <param name="format"></param>
/// <returns></returns>
public string LongitudeToString(WGS84Format format)
{
switch (format)
{
case WGS84Format.DegreesMinutes:
return this.ConvToDmString(this.Longitude, 'E', 'W');
case WGS84Format.DegreesMinutesSeconds:
return this.ConvToDmsString(this.Longitude, 'E', 'W');
default:
return this.Longitude.ToString(CultureInfo.InvariantCulture);
}
}
