/// <summary>
/// Expresses the entire projection as the Esri well known text format that can be found in .prj files
/// </summary>
/// <returns>
/// The generated string
/// </returns>
public string ToEsriString()
{
Spheroid tempSpheroid = new Spheroid(Proj4Ellipsoid.WGS_1984);
// changed by JK to fix the web mercator auxiliary sphere Esri string
if (Name == "WGS_1984_Web_Mercator_Auxiliary_Sphere")
{
tempSpheroid = GeographicInfo.Datum.Spheroid;
GeographicInfo.Datum.Spheroid = new Spheroid(Proj4Ellipsoid.WGS_1984);
}
// if (_auxiliarySphereType != AuxiliarySphereType.NotSpecified)
// {
// tempSpheroid = _geographicInfo.Datum.Spheroid;
// _geographicInfo.Datum.Spheroid = new Spheroid(Proj4Ellipsoid.WGS_1984);
// }
string result = string.Empty;
if (!IsLatLon)
{
result += String.Format(@"PROJCS[""{0}"",", Name);
}
result += GeographicInfo.ToEsriString();
if (IsLatLon)
{
return(result);
}
result += ", ";
if (Transform != null)
{
// Since we can have semi-colon delimited names for aliases, we have to output just one in the WKT. Issue #297
var name = Transform.Name.Contains(";")
? Transform.Name.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries)[0]
: Transform.Name;
result += String.Format(@"PROJECTION[""{0}""],", name);
}
if (FalseEasting != null)
{
string alias = FalseEastingAlias ?? "False_Easting";
result += @"PARAMETER[""" + alias + @"""," + Convert.ToString(FalseEasting / Unit.Meters, CultureInfo.InvariantCulture) + "],";
}
if (FalseNorthing != null)
{
string alias = FalseNorthingAlias ?? "False_Northing";
result += @"PARAMETER[""" + alias + @"""," + Convert.ToString(FalseNorthing / Unit.Meters, CultureInfo.InvariantCulture) + "],";
}
if (CentralMeridian != null && CentralMeridianValid())
{
result += @"PARAMETER[""Central_Meridian""," + Convert.ToString(CentralMeridian, CultureInfo.InvariantCulture) + "],";
}
if (StandardParallel1 != null)
{
result += @"PARAMETER[""Standard_Parallel_1""," + Convert.ToString(StandardParallel1, CultureInfo.InvariantCulture) + "],";
}
if (StandardParallel2 != null)
{
result += @"PARAMETER[""Standard_Parallel_2""," + Convert.ToString(StandardParallel2, CultureInfo.InvariantCulture) + "],";
}
if (_scaleFactor != null)
{
result += @"PARAMETER[""Scale_Factor""," + Convert.ToString(_scaleFactor, CultureInfo.InvariantCulture) + "],";
}
if (alpha != null)
{
result += @"PARAMETER[""Azimuth""," + Convert.ToString(alpha, CultureInfo.InvariantCulture) + "],";
}
if (LongitudeOfCenter != null)
{
string alias = LongitudeOfCenterAlias ?? "Longitude_Of_Center";
result += @"PARAMETER[""" + alias + @"""," + Convert.ToString(LongitudeOfCenter, CultureInfo.InvariantCulture) + "],";
}
if (_longitudeOf1st != null)
{
result += @"PARAMETER[""Longitude_Of_1st""," + Convert.ToString(_longitudeOf1st, CultureInfo.InvariantCulture) + "],";
}
if (_longitudeOf2nd != null)
{
result += @"PARAMETER[""Longitude_Of_2nd""," + Convert.ToString(_longitudeOf2nd, CultureInfo.InvariantCulture) + "],";
}
if (LatitudeOfOrigin != null)
{
string alias = LatitudeOfOriginAlias ?? "Latitude_Of_Origin";
result += @"PARAMETER[""" + alias + @"""," + Convert.ToString(LatitudeOfOrigin, CultureInfo.InvariantCulture) + "],";
}
// changed by JK to fix the web mercator auxiliary sphere Esri string
if (Name == "WGS_1984_Web_Mercator_Auxiliary_Sphere")
{
result += @"PARAMETER[""Auxiliary_Sphere_Type""," + ((int)AuxiliarySphereType) + ".0],";
}
result += Unit.ToEsriString() + "]";
// changed by JK to fix the web mercator auxiliary sphere Esri string
if (Name == "WGS_1984_Web_Mercator_Auxiliary_Sphere")
{
GeographicInfo.Datum.Spheroid = new Spheroid(Proj4Ellipsoid.WGS_1984);
GeographicInfo.Datum.Spheroid = tempSpheroid;
}
return(result);
}
