/// <summary>
/// Returns a representaion of this object as a Proj4 string.
/// </summary>
/// <returns>
/// The to proj 4 string.
/// </returns>
public string ToProj4String()
{
//enforce invariant culture
CultureInfo originalCulture = Thread.CurrentThread.CurrentCulture;
Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
StringBuilder result = new StringBuilder();
Append(result, "x_0", FalseEasting);
Append(result, "y_0", FalseNorthing);
if (_scaleFactor != 1)
{
Append(result, "k_0", _scaleFactor);
}
Append(result, "lat_0", LatitudeOfOrigin);
Append(result, "lon_0", CentralMeridian);
Append(result, "lat_1", StandardParallel1);
Append(result, "lat_2", StandardParallel2);
if (Over)
{
Append(result, "over", 1);
}
if (Geoc)
{
Append(result, "geoc", 1);
}
Append(result, "alpha", alpha);
Append(result, "lonc", LongitudeOfCenter);
Append(result, "zone", Zone);
if (IsLatLon)
{
Append(result, "proj", "longlat");
}
else
{
if (Transform != null)
{
Append(result, "proj", Transform.Proj4Name);
}
// skips over to_meter if this is geographic or defaults to 1
if (Unit.Meters != 1)
{
// we don't create +units=m or +units=f instead we use.
Append(result, "to_meter", Unit.Meters);
}
}
result.Append(GeographicInfo.ToProj4String());
if (IsSouth)
{
result.Append(" +south");
}
if (NoDefs)
{
result.Append(" +no_defs");
}
//reset the culture info
Thread.CurrentThread.CurrentCulture = originalCulture;
return(result.ToString());
}
