private static VerticalCoordinateSystem ReadVerticalCoordinateSystem(WktStreamTokenizer tokenizer, bool includeAuthority)
{
//VERT_CS["Newlyn",
//VERT_DATUM["Ordnance Datum Newlyn",2005,AUTHORITY["EPSG","5101"]]
//UNIT["metre",1,AUTHORITY["EPSG","9001"]]
//AUTHORITY["EPSG","5701"]
tokenizer.ReadToken("[");
string name = tokenizer.ReadDoubleQuotedWord();
tokenizer.ReadToken(",");
tokenizer.ReadToken("VERT_DATUM");
VerticalDatum verticalDatum = ReadVerticalDatum(tokenizer, includeAuthority);
tokenizer.ReadToken("UNIT");
Unit unit = ReadUnit(tokenizer, includeAuthority);
string authority = String.Empty;
string authorityCode = String.Empty;
if (includeAuthority)
{
tokenizer.ReadAuthority(ref authority, ref authorityCode);
}
tokenizer.ReadToken("]");
VerticalCoordinateSystem verticalCS = new VerticalCoordinateSystem(name, verticalDatum, String.Empty, authority, authorityCode, String.Empty, String.Empty);
return(verticalCS);
}
private static void WriteVerticalDatum(VerticalDatum verticalDatum, bool esri, IndentedTextWriter writer)
{
writer.WriteLine("VERT_DATUM[");
writer.Indent = writer.Indent + 1;
writer.WriteLine(String.Format("\"{0}\",{1},", verticalDatum.Name, DatumTypeAsCode(verticalDatum.DatumType)));
//writer.WriteLine(String.Format("AUTHORITY[\"{0}\",\"{1}\"]", verticalDatum.Authority, verticalDatum.AuthorityCode));
WriteAuthority(verticalDatum, esri, writer);
writer.Indent = writer.Indent - 1;
writer.WriteLine("]");
}
internal VerticalCoordinateSystem(
string name,
VerticalDatum verticaldatum,
string remarks, string authority, string authorityCode, string alias, string abbreviation)
: base(remarks, authority, authorityCode, name, alias, abbreviation)
{
if (verticaldatum == null)
{
throw new ArgumentNullException("verticaldatum");
}
_verticaldatum = verticaldatum;
_units = LinearUnit.Meters;
_axisinfo = new AxisInfo[1] {
AxisInfo.Altitude
};
}
public VerticalCoordinateSystem(string name,
VerticalDatum verticaldatum,
AxisInfo axisinfo,
LinearUnit linearUnit,
string remarks, string authority, string authorityCode, string alias, string abbreviation)
: base(remarks, authority, authorityCode, name, alias, abbreviation)
{
if (verticaldatum == null)
{
throw new ArgumentNullException("verticaldatum");
}
_verticaldatum = verticaldatum;
_axisinfo = new AxisInfo[1] {
axisinfo
};
_units = linearUnit;
}
internal VerticalCoordinateSystem(string name, VerticalDatum verticaldatum, AxisInfo axisinfo, LinearUnit units)
: base(name, String.Empty, String.Empty, String.Empty, String.Empty, String.Empty)
{
if (verticaldatum == null)
{
throw new ArgumentNullException("verticaldatum");
}
if (units == null)
{
throw new ArgumentNullException("units");
}
_name = name;
_verticaldatum = verticaldatum;
_axisinfo = new AxisInfo[1] {
axisinfo
};
_units = units;
}
private static VerticalDatum ReadVerticalDatum(WktStreamTokenizer tokenizer, bool includeAuthority)
{
//VERT_DATUM["Ordnance Datum Newlyn",2005,AUTHORITY["5101","EPSG"]]
tokenizer.ReadToken("[");
string datumName = tokenizer.ReadDoubleQuotedWord();
tokenizer.ReadToken(",");
tokenizer.NextToken();
string datumTypeNumber = tokenizer.GetStringValue();
string authority = String.Empty;
string authorityCode = String.Empty;
if (includeAuthority)
{
tokenizer.ReadToken(",");
tokenizer.ReadAuthority(ref authority, ref authorityCode);
}
DatumType datumType = (DatumType)Enum.Parse(typeof(DatumType), datumTypeNumber);
VerticalDatum verticalDatum = new VerticalDatum(datumType, String.Empty, authorityCode, authority, datumName, String.Empty, String.Empty);
tokenizer.ReadToken("]");
return(verticalDatum);
}
public static object Create(string wkt)
{
object returnObject = null;
bool includeAuthority = (wkt.ToLower().IndexOf("authority") != -1);
StringReader reader = new StringReader(wkt);
WktStreamTokenizer tokenizer = new WktStreamTokenizer(reader);
tokenizer.NextToken();
string objectName = tokenizer.GetStringValue();
switch (objectName)
{
case "UNIT":
Unit unit = ReadUnit(tokenizer, includeAuthority);
returnObject = unit;
break;
case "VERT_DATUM":
VerticalDatum verticalDatum = ReadVerticalDatum(tokenizer, includeAuthority);
returnObject = verticalDatum;
break;
case "SPHEROID":
Ellipsoid ellipsoid = ReadEllipsoid(tokenizer, includeAuthority);
returnObject = ellipsoid;
break;
case "TOWGS84":
WGS84ConversionInfo wgsInfo = ReadWGS84ConversionInfo(tokenizer, includeAuthority);
returnObject = wgsInfo;
break;
case "DATUM":
HorizontalDatum horizontalDatum = ReadHorizontalDatum(tokenizer, includeAuthority);
returnObject = horizontalDatum;
break;
case "PRIMEM":
PrimeMeridian primeMeridian = ReadPrimeMeridian(tokenizer, includeAuthority);
returnObject = primeMeridian;
break;
case "VERT_CS":
VerticalCoordinateSystem verticalCS = ReadVerticalCoordinateSystem(tokenizer, includeAuthority);
returnObject = verticalCS;
break;
case "GEOGCS":
GeographicCoordinateSystem geographicCS = ReadGeographicCoordinateSystem(tokenizer, includeAuthority);
returnObject = geographicCS;
break;
case "PROJCS":
ProjectedCoordinateSystem projectedCS = ReadProjectedCoordinateSystem(tokenizer, includeAuthority);
returnObject = projectedCS;
break;
case "COMPD_CS":
CompoundCoordinateSystem compoundCS = ReadCompoundCoordinateSystem(tokenizer, includeAuthority);
returnObject = compoundCS;
break;
case "GEOCCS":
case "FITTED_CS":
case "LOCAL_CS":
throw new NotSupportedException(String.Format("{0} is not implemented.", objectName));
default:
throw new ParseException(String.Format("'{0'} is not recongnized.", objectName));
}
reader.Close();
return(returnObject);
}
