/// <summary>
/// Creates a coordinate system that conforms to WGS 84.
/// </summary>
/// <returns>IGeographicCoordinateSystem that represents the WKG84 coordinate system.</returns>
public static IGeographicCoordinateSystem CreateWgs84()
{
string wktTargetCS = Projections.WGS84;
IGeographicCoordinateSystem targetCS = (IGeographicCoordinateSystem)CoordinateSystemWktReader.Create(wktTargetCS);
return(targetCS);
}
/// <summary>
/// Creates a coordinate system object from a Well-Known Text string.
/// </summary>
/// <param name="wkt"></param>
/// <returns></returns>
public ICoordinateSystem CreateFromWKT(string wkt)
{
if (wkt == null)
{
throw new ArgumentNullException("wkt");
}
return((ICoordinateSystem)CoordinateSystemWktReader.Create(wkt));
}
public void TestReadUnit2()
{
string wkt1 = "UNIT[\"degree\",0.01745329251994433,AUTHORITY[\"EPSG\",\"9102\"]]";
IAngularUnit angularUnit = CoordinateSystemWktReader.Create(wkt1) as IAngularUnit;
string wkt2 = angularUnit.WKT;
bool same = Compare.CompareAgainstString(Global.GetUnitTestRootDirectory() + @"\IO\AngularUnit.txt", wkt2);
//Assertion.AssertEquals("test 1",true,same); fails because of issues with double and precsision
}
public void TestReadHorizontalDatum()
{
string testFile = Global.GetUnitTestRootDirectory() + @"\IO\HorizontalDatum.txt";
string wkt1 = FileToString(testFile);
IHorizontalDatum horizontalDatum = CoordinateSystemWktReader.Create(wkt1) as IHorizontalDatum;
string wkt2 = horizontalDatum.WKT;
bool same = Compare.CompareAgainstString(testFile, wkt2);
Assertion.AssertEquals("Horizontal datum 1", true, same);
}
public void TestReadUnit3()
{
string testFile = Global.GetUnitTestRootDirectory() + @"\IO\LinearUnit.txt";
string wkt1 = FileToString(testFile);
ILinearUnit linearUnit = CoordinateSystemWktReader.Create(wkt1) as ILinearUnit;
string wkt2 = linearUnit.WKT;
bool same = Compare.CompareAgainstString(testFile, wkt2);
Assertion.AssertEquals("Unit 3", true, same);
}
public void TestReadCompoundCoordinateSystem2()
{
string testFile = Global.GetUnitTestRootDirectory() + @"\IO\CompoundCoordinateSystem.txt";
string wkt1 = FileToString(testFile);
ICompoundCoordinateSystem compoundCoordinateSystem = CoordinateSystemWktReader.Create(wkt1) as ICompoundCoordinateSystem;
string wkt2 = compoundCoordinateSystem.WKT;
bool same = Compare.CompareAgainstString(testFile, wkt2);
Assertion.AssertEquals("Compound coordinate system 1", true, same);
}
public void TestReadPrimeMeridian2()
{
string testFile = Global.GetUnitTestRootDirectory() + @"\IO\PrimeMeridian.txt";
string wkt1 = FileToString(testFile);
IPrimeMeridian primeMeridian = CoordinateSystemWktReader.Create(wkt1) as IPrimeMeridian;
string wkt2 = primeMeridian.WKT;
bool same = Compare.CompareAgainstString(testFile, wkt2);
Assertion.AssertEquals("Prime Meridian 1", true, same);
}
public void TestReadEllipsoid()
{
string testFile = Global.GetUnitTestRootDirectory() + @"\IO\Spheroid.txt";
string wkt1 = FileToString(testFile);
IEllipsoid Ellipsoid = CoordinateSystemWktReader.Create(wkt1) as IEllipsoid;
string wkt2 = Ellipsoid.WKT;
bool same = Compare.CompareAgainstString(testFile, wkt2);
Assertion.AssertEquals("Ellipsoid 1", true, same);
}
public void TestReadGeographicCoordinateSystem2()
{
string testFile = Global.GetUnitTestRootDirectory() + @"\IO\Testfiles\GeographicCoordinateSystem.txt";
string wkt1 = FileToString(testFile);
IGeographicCoordinateSystem geographicCoordinateSystem = CoordinateSystemWktReader.Create(wkt1) as IGeographicCoordinateSystem;
string wkt2 = geographicCoordinateSystem.WKT;
bool same = Compare.CompareAgainstString(testFile, wkt2);
Assertion.AssertEquals("Geographic coordinate system 1", true, same);
}
/// <summary>
/// Creates the projection required for the European raster data from the AA.
/// </summary>
/// <returns>ICoordinateTransformation that implements the Mercator projection.</returns>
public static ICoordinateTransformation CreateEuropeanLambertProjection()
{
string wktSourceCS = Projections.EuropeanLambert;
IProjectedCoordinateSystem sourceCS = (IProjectedCoordinateSystem)CoordinateSystemWktReader.Create(wktSourceCS);
IGeographicCoordinateSystem targetCS = CreateWgs84();
CoordinateTransformationFactory coordTransFactory = new CoordinateTransformationFactory();
ICoordinateTransformation projection = coordTransFactory.CreateFromCoordinateSystems(sourceCS, targetCS);
return(projection);
}
/// <summary>
/// Creates a Meractor projection object.
/// </summary>
/// <param name="centralMeridian">The central merdian to use.</param>
/// <param name="falseNorthing">The false northing to use.</param>
/// <returns>ICoordinateTransformation that implements the Mercator projection.</returns>
public static ICoordinateTransformation CreateUKNationalGridProjection(double centralMeridian, double falseNorthing)
{
string wktSourceCS = Projections.UKNationalGrid;
wktSourceCS = String.Format(CultureInfo.InvariantCulture, wktSourceCS, falseNorthing, centralMeridian);
IProjectedCoordinateSystem sourceCS = (IProjectedCoordinateSystem)CoordinateSystemWktReader.Create(wktSourceCS);
IGeographicCoordinateSystem targetCS = CreateWgs84();
CoordinateTransformationFactory coordTransFactory = new CoordinateTransformationFactory();
ICoordinateTransformation projection = coordTransFactory.CreateFromCoordinateSystems(sourceCS, targetCS);
return(projection);
}
public void TestReadUnit1()
{
string wkt = "UNIT[\"degree\",0.01745329251994433,AUTHORITY[\"EPSG\",\"9102\"]]";
IAngularUnit angularUnit = CoordinateSystemWktReader.Create(wkt) as IAngularUnit;
}
