/// <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);
}
/**
* Parses a DMS string representation
* @param s
* @return
*/
public static DMSComponents Parse(String s, GeoAngleFormatOptions options)
{
int sign = 1;
int wholeDegrees = 0;
int wholeMinutes = 0;
double decimalSeconds = 0;
if (options == GeoAngleFormatOptions.Compact)
{
// ... Split value and hemisphere letter
String[] tokens = s.Split(DELIMS);
if (tokens.Length != 2)
{
throw new DMSFormatException(s);
}
sign = getHemisphereSign(tokens[1].Trim()[0]);
double number = Double.Parse(tokens[0].Trim());
wholeDegrees = (int)Math.Floor(number / 10000);
double decimalMinutes = number - wholeDegrees * 10000;
wholeMinutes = (int)Math.Floor(decimalMinutes / 100);
decimalSeconds = decimalMinutes - wholeMinutes * 100;
}
else
{
// ... Split value and hemisphere letter
List <String> tokens = new List <String>(s.Split(DELIMS, StringSplitOptions.RemoveEmptyEntries));
wholeDegrees = Int32.Parse(tokens[0]);
wholeMinutes = Int32.Parse(tokens[1]);
decimalSeconds = Double.Parse(tokens[2]);
switch (tokens.Count)
{
case 3:
sign = wholeDegrees < 0 ? -1 : 1;
wholeDegrees *= sign; // Abs
break;
case 4:
sign = getHemisphereSign(tokens[3].Trim()[0]);
break;
default:
throw new DMSFormatException(s);
}
}
DMSComponents rc = new DMSComponents();
rc.set_sign(sign);
rc.set_wholeDegrees(wholeDegrees);
rc.set_wholeMinutes(wholeMinutes);
rc.set_decimalSeconds(decimalSeconds);
return(rc);
}
/// <summary>
/// Parses a DMS representation and converts to degrees
/// </summary>
/// <param name="s"></param>
/// <param name="options"></param>
/// <returns></returns>
protected static double ParseDMS(string s, GeoAngleFormatOptions options)
{
DMSComponents dms = DMSComponents.Parse(s, options);
return(dms.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 / 10000));
// double decimalMinutes = number - wholeDegrees*10000;
// int wholeMinutes = Convert.ToInt32(Math.Floor(decimalMinutes / 100));
// double decimalSeconds = decimalMinutes - wholeMinutes*100;
// return computeDDD(wholeDegrees, wholeMinutes, decimalSeconds, sign);
//}
//else {
// // ... Split value and hemisphere letter
// string[] tokens = s.Split(DELIMS, StringSplitOptions.RemoveEmptyEntries);
// int wholeDegrees = Int32.Parse(tokens[0]);
// int wholeMinutes = Int32.Parse(tokens[1]);
// double decimalSeconds = double.Parse(tokens[2]);
// int sign = 1;
// switch (tokens.Length) {
// case 3:
// sign = wholeDegrees < 0 ? -1 : 1;
// wholeDegrees *= sign; // Abs
// break;
// case 4:
// 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));
// }
// break;
// default:
// throw new ArgumentException(nameof(s));
// }
// return computeDDD(wholeDegrees, wholeMinutes, decimalSeconds, sign);
//}
}
/// <summary>
/// Implements string representation of DMS for longitudes
/// </summary>
/// <param name="wholeDegrees"></param>
/// <param name="wholeMinutes"></param>
/// <param name="decimalSeconds"></param>
/// <param name="sign"></param>
/// <param name="options"></param>
/// <returns></returns>
protected override string ToStringDMS(DMSComponents dms, GeoAngleFormatOptions options)
{
string rc = null;
char letter = dms.get_sign() < 0 ? 'W' : 'E';
if (options == GeoAngleFormatOptions.Compact)
{
rc = string.Format("{0:000}{1:00}{2:00.0000},{3}", dms.get_wholeDegrees(), dms.get_wholeMinutes(), dms.get_decimalSeconds(), letter);
}
else
{
rc = string.Format("{0}{1} {2}' {3:0.####}\" {4}", dms.get_wholeDegrees(), Strings.degrees, dms.get_wholeMinutes(), dms.get_decimalSeconds(), letter);
}
return(rc);
}
/// <summary> /// Converts from DMS components to its string representation /// </summary> /// <param name="wholeDegrees"></param> /// <param name="wholeMinutes"></param> /// <param name="decimalSeconds"></param> /// <param name="sign"></param> /// <param name="options"></param> /// <returns></returns> protected abstract string ToStringDMS(DMSComponents dms, GeoAngleFormatOptions options);