public Proj4CrsGeographic(GeographicInfo geographicInfo)
: base(geographicInfo.Name ?? geographicInfo.Datum.Name ?? "Unknown", new AuthorityTag("PROJ4", String.Empty))
{
Contract.Requires(geographicInfo != null);
Contract.Requires(geographicInfo.Meridian != null);
Contract.Requires(geographicInfo.Datum != null);
Contract.Requires(geographicInfo.Datum.Spheroid != null);
Core = geographicInfo;
Datum = Proj4DatumWrapper.CreateWrapper(geographicInfo);
}
public static Proj4DatumWrapper CreateWrapper(GeographicInfo geographicInfo)
{
if (geographicInfo == null)
{
throw new ArgumentNullException("geographicInfo");
}
if (geographicInfo.Meridian == null)
{
throw new ArgumentException("Must have a meridian.", "geographicInfo");
}
Contract.Requires(geographicInfo.Datum != null);
Contract.Requires(geographicInfo.Datum.Spheroid != null);
Contract.Ensures(Contract.Result <Proj4DatumWrapper>() != null);
return(new Proj4DatumWrapper(
geographicInfo.Datum,
new Proj4MeridianWrapper(geographicInfo.Meridian)));
}
public static GeographicInfo CreateGeographic(ICrsGeodetic crsGeodetic)
{
if (crsGeodetic == null)
{
throw new ArgumentNullException("crsGeodetic");
}
Contract.Requires(crsGeodetic.Datum.PrimeMeridian != null);
Contract.Ensures(Contract.Result <GeographicInfo>() != null);
var result = new GeographicInfo {
Name = crsGeodetic.Name
};
result.Datum = Proj4DatumWrapper.Create(crsGeodetic.Datum);
Contract.Assume(crsGeodetic.Datum.PrimeMeridian != null);
result.Meridian = Proj4MeridianWrapper.Create(crsGeodetic.Datum.PrimeMeridian);
// TODO: set the unit
return(result);
}
