/// <summary>
/// 拷贝构造函数。
/// </summary>
/// <param name="primeMeridian">中央子午线对象。</param>
/// <exception cref="ArgumentNullException">当中央子午线对象为 Null 时抛出异常。</exception>
public PrimeMeridian(PrimeMeridian primeMeridian)
{
if (primeMeridian == null) throw new ArgumentNullException();
this.LongitudeValue = primeMeridian.LongitudeValue;
this.Name = primeMeridian.Name;
this.Type = primeMeridian.Type;
}
private bool CheckPrimem(PrimeMeridian primeMeridian, string name, double?longitude, string authority, long?code)
{
Assert.That(primeMeridian, Is.Not.Null);
Assert.That(CheckInfo(primeMeridian, name, authority, code));
Assert.That(primeMeridian.Longitude, Is.EqualTo(longitude));
return(true);
}
/// <summary>
/// Creates instance prime meridian transform
/// </summary>
/// <param name="source"></param>
/// <param name="target"></param>
public PrimeMeridianTransform(PrimeMeridian source, PrimeMeridian target)
{
if (!source.AngularUnit.EqualParams(target.AngularUnit))
{
throw new NotImplementedException("The method or operation is not implemented.");
}
_source = source;
_target = target;
}
private void CreatGeoReference()
{
AngularUnit geoAngularUnit = new AngularUnit(angularUnit.AngularUnitName, angularUnit.AngularUnitValue);
Datum geoDatum = new Datum(datum.DatumName, datum.DatumSpheroid);
PrimeMeridian geoPrimeMeridian = new PrimeMeridian(primeMeridian.PrimeMeridianName, primeMeridian.PrimeMeridianValue);
_geographicCoordSystem = new GeographicCoordSystem(_geoSystemName, geoAngularUnit, geoPrimeMeridian, geoDatum);
_spatialReference = new SpatialReference(_geographicCoordSystem);
}
private string GetPrjInfo()
{
try
{
ISpatialReference prjInfo = SpatialReference.GetDefault();
PrimeMeridian centerLongitude = prjInfo.GeographicsCoordSystem.PrimeMeridian;
centerLongitude.Value = 150d;
return(prjInfo.ToProj4String());
}
catch
{
return(null);
}
}
public void Test_Test1()
{
AngularUnit angularUnit = new AngularUnit(0.5);
PrimeMeridian primeMeridian = new PrimeMeridian("name", angularUnit, 5.0, "remarks",
"authority", "authorityCode", "alias", "abbreviation");
Assertion.AssertEquals("Test 1", "abbreviation", primeMeridian.Abbreviation);
Assertion.AssertEquals("Test 2", "alias", primeMeridian.Alias);
Assertion.AssertEquals("Test 3", "authority", primeMeridian.Authority);
Assertion.AssertEquals("Test 4", "authorityCode", primeMeridian.AuthorityCode);
Assertion.AssertEquals("Test 5", "name", primeMeridian.Name);
Assertion.AssertEquals("Test 6", "remarks", primeMeridian.Remarks);
Assertion.AssertEquals("Test 7", angularUnit, primeMeridian.AngularUnit);
Assertion.AssertEquals("Test 8", 2.5, primeMeridian.Longitude);
}
/// <summary>
///
/// </summary>
/// <param name="tokenizer"></param>
/// <returns></returns>
private static GeoAPI.CoordinateSystems.IPrimeMeridian ReadPrimeMeridian(GisSharpBlog.NetTopologySuite.IO.WktStreamTokenizer tokenizer)
{
//PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]]
tokenizer.ReadToken("[");
string name = tokenizer.ReadDoubleQuotedWord();
tokenizer.ReadToken(",");
tokenizer.NextToken();
double longitude = tokenizer.GetNumericValue();
tokenizer.ReadToken(",");
string authority = String.Empty;
long authorityCode = -1;
tokenizer.ReadAuthority(ref authority, ref authorityCode);
// make an assumption about the Angular units - degrees.
GeoAPI.CoordinateSystems.IPrimeMeridian primeMeridian = new PrimeMeridian(longitude, new AngularUnit(180 / Math.PI), name, authority, authorityCode, String.Empty, String.Empty, String.Empty);
tokenizer.ReadToken("]");
return(primeMeridian);
}
private static IPrimeMeridian ReadPrimeMeridian(WktStreamTokenizer tokenizer)
{
//PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]]
tokenizer.ReadToken("[");
string name = tokenizer.ReadDoubleQuotedWord();
tokenizer.ReadToken(",");
tokenizer.NextToken();
double longitude = tokenizer.GetNumericValue();
tokenizer.ReadToken(",");
string authority = "";
string authorityCode = "";
tokenizer.ReadAuthority(ref authority, ref authorityCode);
// make an assumption about the Angular units - degrees.
IPrimeMeridian primeMeridian = new PrimeMeridian(name, new AngularUnit(180 / Math.PI), longitude, "", authority, authorityCode, "", "");
tokenizer.ReadToken("]");
return(primeMeridian);
}
private static IPrimeMeridian ReadPrimeMeridian(XmlTextReader reader)
{
/*
* <?xml version="1.0"?>
* <IPrimeMeridian Longitude="0">
* <IInfo AuthorityCode="8901" Authority="EPSG" Name="Greenwich"/>
* <IAngularUnit RadiansPerUnit="1.74532925199433E-02">
* <IInfo AuthorityCode="9110" Authority="EPSG" Name="DDD.MMSSsss"/>
* </IAngularUnit>
* </IPrimeMeridian>
*/
double longitude = XmlConvert.ToDouble(reader.GetAttribute("Longitude"));
string authority = "", authorityCode = "", abbreviation = "", name = "";
reader.Read();
ReadInfo(reader, ref authority, ref authorityCode, ref abbreviation, ref name);
IAngularUnit angularUnit = ReadAngularUnit(reader);
reader.Read();
IPrimeMeridian primeMeridian = new PrimeMeridian(name, angularUnit, longitude, "", authority, authorityCode, "", abbreviation);
return(primeMeridian);
}
/// <summary>
/// Reads a prime meridian.
/// </summary>
private static IPrimeMeridian ReadPrimeMeridian(WktStreamTokenizer tokenizer)
{
tokenizer.ReadToken("[");
string name = tokenizer.ReadDoubleQuotedWord();
tokenizer.ReadToken(",");
tokenizer.NextToken();
double longitude = tokenizer.GetNumericValue();
tokenizer.NextToken();
string authority = String.Empty;
long authorityCode = -1;
if (tokenizer.GetStringValue() == ",")
{
ReadAuthority(tokenizer, ref authority, ref authorityCode);
tokenizer.ReadToken("]");
}
IPrimeMeridian primeMeridian = new PrimeMeridian(longitude, AngularUnit.Degrees, name, authority, authorityCode, String.Empty, String.Empty, String.Empty);
return(primeMeridian);
}
/// <summary>
///
/// </summary>
/// <param name="tokenizer"></param>
/// <returns></returns>
private static IPrimeMeridian ReadPrimeMeridian(WktStreamTokenizer tokenizer)
{
//PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]]
tokenizer.ReadToken("[");
string name = tokenizer.ReadDoubleQuotedWord();
tokenizer.ReadToken(",");
tokenizer.NextToken();
double longitude = tokenizer.GetNumericValue();
tokenizer.NextToken();
string authority = String.Empty;
long authorityCode = -1;
if (tokenizer.GetStringValue() == ",")
{
tokenizer.ReadAuthority(ref authority, ref authorityCode);
tokenizer.ReadToken("]");
}
// make an assumption about the Angular units - degrees.
IPrimeMeridian primeMeridian = new PrimeMeridian(longitude, AngularUnit.Degrees, name, authority, authorityCode, String.Empty, String.Empty, String.Empty);
return(primeMeridian);
}