/// <summary>
/// Stringify, with format
/// </summary>
/// <param name="fmt"></param>
/// <returns></returns>
public string ToString(GeoAngleFormat fmt, GeoAngleFormatOptions options = GeoAngleFormatOptions.ShowUnits)
{
string rc = null;
switch (fmt)
{
default:
throw new ArgumentException("Unsupported format: " + fmt);
case GeoAngleFormat.DDD:
if (options == GeoAngleFormatOptions.Compact)
{
rc = Degrees.ToString("0.0000000");
}
else
{
rc = Degrees.ToString("0.0000000") + Strings.degrees;
}
break;
case GeoAngleFormat.DMM: {
DMMComponents dmmComponents = new DMMComponents(Degrees);
rc = ToStringDMM(dmmComponents, options);
}
break;
case GeoAngleFormat.DMS: {
DMSComponents dmsComponents = new DMSComponents(Degrees);
rc = ToStringDMS(dmsComponents, options);
}
break;
}
return(rc);
}
public DMSComponents(double degrees)
{
// ... Compute DMM
DMMComponents dmm = new DMMComponents(degrees);
_sign = dmm.get_sign();
_wholeDegrees = dmm.get_wholeDegrees();
_wholeMinutes = (int)Math.Floor(dmm.get_decimalMinutes());
double fraction = dmm.get_decimalMinutes() - _wholeMinutes;
_decimalSeconds = fraction * 60;
}
/// <summary>
/// Implements string representation of DMM for longitudes
/// </summary>
/// <param name="wholeDegrees"></param>
/// <param name="decimalMinutes"></param>
/// <param name="sign"></param>
/// <param name="options"></param>
/// <returns></returns>
protected override string ToStringDMM(DMMComponents dmm, GeoAngleFormatOptions options)
{
string rc = null;
char letter = dmm.get_sign() < 0 ? 'W' : 'E';
if (options == GeoAngleFormatOptions.Compact)
{
rc = string.Format("{0:000}{1:00.0000},{2}", dmm.get_wholeDegrees(), dmm.get_decimalMinutes(), letter);
}
else
{
rc = string.Format("{0}{1} {2:0.######}'", dmm.get_sign() * dmm.get_wholeDegrees(), Strings.degrees, dmm.get_decimalMinutes());
}
return(rc);
}
/**
* Parses a DMM string representation
* @param s
* @return
*/
public static DMMComponents Parse(String s, GeoAngleFormatOptions options)
{
int sign = 1;
int wholeDegrees = 0;
double decimalMinutes = 0;
if (options == GeoAngleFormatOptions.Compact)
{
// ... Split value and hemisphere letter
String[] tokens = s.Split(DELIMS);
if (tokens.Length != 2)
{
throw new DMMFormatException(s);
}
sign = getHemisphereSign(tokens[1].Trim()[0]);
double number = Double.Parse(tokens[0].Trim());
wholeDegrees = (int)Math.Floor(number / 100);
decimalMinutes = number - wholeDegrees * 100;
}
else
{
// ... Split value and hemisphere letter
List <String> tokens = new List <String>(s.Split(DELIMS, StringSplitOptions.RemoveEmptyEntries));
if (tokens.Count != 2)
{
throw new DMMFormatException(s);
}
wholeDegrees = Int32.Parse(tokens[0]);
sign = wholeDegrees < 0 ? -1 : 1;
wholeDegrees *= sign; // Abs
decimalMinutes = Double.Parse(tokens[1]);
}
DMMComponents rc = new DMMComponents();
rc.set_sign(sign);
rc.set_wholeDegrees(wholeDegrees);
rc.set_decimalMinutes(decimalMinutes);
return(rc);
}
///// <summary>
///// Converts the current value in degrees, to DMM components
///// </summary>
///// <param name="wholeDegrees"></param>
///// <param name="decimalMinutes"></param>
///// <param name="sign"></param>
//protected void computeDMM(ref int wholeDegrees, ref double decimalMinutes, ref int sign) {
// double degrees = Degrees;
// sign = degrees < 0 ? -1 : 1;
// degrees = Math.Abs(degrees);
// wholeDegrees = Convert.ToInt32( Math.Floor(degrees) );
// double fraction = degrees - wholeDegrees;
// decimalMinutes = fraction * 60;
//}
///// <summary>
///// Converts the current value in degrees to DMS components
///// </summary>
///// <param name="wholeDegrees"></param>
///// <param name="wholeMinutes"></param>
///// <param name="decimalSeconds"></param>
///// <param name="sign"></param>
//protected void computeDMS(ref int wholeDegrees, ref int wholeMinutes, ref double decimalSeconds, ref int sign) {
// double decimalMinutes = 0;
// computeDMM(ref wholeDegrees, ref decimalMinutes, ref sign);
// wholeMinutes = Convert.ToInt32(Math.Floor(decimalMinutes));
// double fraction = decimalMinutes - wholeMinutes;
// decimalSeconds = fraction * 60;
//}
///// <summary>
///// Converts from DMM to degrees
///// </summary>
///// <param name="wholeDegrees"></param>
///// <param name="decimalMinutes"></param>
///// <param name="sign"></param>
///// <returns></returns>
//protected static double computeDDD(int wholeDegrees, double decimalMinutes, int sign) {
// double fraction = decimalMinutes / 60;
// return sign * (1.0 * wholeDegrees + fraction);
//}
///// <summary>
///// Converts from DMS to degrees
///// </summary>
///// <param name="wholeDegrees"></param>
///// <param name="wholeMinutes"></param>
///// <param name="decimalSeconds"></param>
///// <param name="sign"></param>
///// <returns></returns>
//protected static double computeDDD(int wholeDegrees, int wholeMinutes, double decimalSeconds, int sign) {
// double fraction = decimalSeconds / 60;
// fraction = (1.0 * wholeMinutes + fraction) / 60;
// return sign * (1.0 * wholeDegrees + fraction);
//}
/// <summary>
/// Parses a DMM representation and converts to degrees
/// </summary>
/// <param name="s"></param>
/// <param name="options"></param>
/// <returns></returns>
protected static double ParseDMM(string s, GeoAngleFormatOptions options)
{
DMMComponents dmm = DMMComponents.Parse(s, options);
return(dmm.ToDDD());
//if (options == GeoAngleFormatOptions.Compact) {
// // ... Split value and hemisphere letter
// string[] tokens = s.Split(DELIMS);
// if (tokens.Length != 2) {
// throw new ArgumentException(nameof(s));
// }
// int sign = 0;
// switch (tokens[1].ToUpper().Trim()[0]) {
// case 'N': case 'E': sign = 1; break;
// case 'S': case 'W': sign = -1; break;
// default:
// throw new ArgumentException(nameof(s));
// }
// double number = double.Parse(tokens[0].Trim());
// int wholeDegrees = Convert.ToInt32(Math.Floor(number / 100));
// double decimalMinutes = number - wholeDegrees*100;
// return computeDDD(wholeDegrees, decimalMinutes, sign);
//}
//else {
// // ... Split value and hemisphere letter
// string[] tokens = s.Split(DELIMS, StringSplitOptions.RemoveEmptyEntries);
// if (tokens.Length != 2) {
// throw new ArgumentException(nameof(s));
// }
// int wholeDegrees = Int32.Parse(tokens[0]);
// int sign = wholeDegrees < 0 ? -1 : 1;
// wholeDegrees *= sign; // Abs
// double decimalMinutes = double.Parse(tokens[1]);
// return computeDDD(wholeDegrees, decimalMinutes, sign);
//}
}
/// <summary> /// Converts from DMM components to its string representation /// </summary> /// <param name="wholeDegrees"></param> /// <param name="decimalMinutes"></param> /// <param name="sign"></param> /// <param name="options"></param> /// <returns></returns> protected abstract string ToStringDMM(DMMComponents dmm, GeoAngleFormatOptions options);
