public void TestAlbersProjectionFeet()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Clarke 1866", 6378206.4, 294.9786982138982, LinearUnit.USSurveyFoot);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Clarke 1866", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Clarke 1866", AngularUnit.Degrees, datum,
PrimeMeridian.Greenwich, new AxisInfo("Lon", AxisOrientationEnum.East),
new AxisInfo("Lat", AxisOrientationEnum.North));
List<ProjectionParameter> parameters = new List<ProjectionParameter>(5);
parameters.Add(new ProjectionParameter("central_meridian", -96));
parameters.Add(new ProjectionParameter("latitude_of_center", 23));
parameters.Add(new ProjectionParameter("standard_parallel_1", 29.5));
parameters.Add(new ProjectionParameter("standard_parallel_2", 45.5));
parameters.Add(new ProjectionParameter("false_easting", 0));
parameters.Add(new ProjectionParameter("false_northing", 0));
IProjection projection = cFac.CreateProjection("Albers Conical Equal Area", "albers", parameters);
IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("Albers Conical Equal Area", gcs, projection, LinearUnit.Foot, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs, coordsys);
double[] pGeo = new double[] { -75, 35 };
double[] pUtm = trans.MathTransform.Transform(pGeo);
double[] pGeo2 = trans.MathTransform.Inverse().Transform(pUtm);
double[] expected = new double[] { 1885472.7 / LinearUnit.Foot.MetersPerUnit, 1535925 / LinearUnit.Foot.MetersPerUnit };
Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.1), String.Format("Albers forward transformation outside tolerance, Expected [{0},{1}], got [{2},{3}]", expected[0], expected[1], pUtm[0], pUtm[1]));
Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("Albers reverse transformation outside tolerance, Expected [{0},{1}], got [{2},{3}]", pGeo[0], pGeo[1], pGeo2[0], pGeo2[1]));
}
private void TestMercator_2SP()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Krassowski 1940", 6378245.0, 298.3, LinearUnit.Metre);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Krassowski 1940", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Krassowski 1940", AngularUnit.Degrees,
datum,
PrimeMeridian.Greenwich,
new AxisInfo("Lon",
AxisOrientationEnum.East),
new AxisInfo("Lat",
AxisOrientationEnum.North));
List<ProjectionParameter> parameters = new List<ProjectionParameter>();
parameters.Add(new ProjectionParameter("latitude_of_origin", 42));
parameters.Add(new ProjectionParameter("central_meridian", 51));
parameters.Add(new ProjectionParameter("false_easting", 0));
parameters.Add(new ProjectionParameter("false_northing", 0));
IProjection projection = cFac.CreateProjection("Mercator_2SP", "Mercator_2SP", parameters);
IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem(
"Pulkovo 1942 / Mercator Caspian Sea", gcs, projection, LinearUnit.Metre,
new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs,
coordsys);
Point pGeo = new Point(53, 53);
Point pUtm = new Point(trans.MathTransform.Transform(pGeo.ToDoubleArray()));
Point pGeo2 = new Point(trans.MathTransform.Inverse().Transform(pUtm.ToDoubleArray()));
result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Point(165704.29, 5171848.07), pGeo2,
"Mercator_2SP test");
}
/// <summary>
/// Creates a UTM projection for the northern/// hemisphere based on the WGS84 datum
/// </summary>
/// <param name="utmZone">Utm Zone</param>
/// <returns>Projection</returns>
private IProjectedCoordinateSystem CreateUtmProjection(int utmZone)
{
CoordinateSystemFactory cFac = new ProjNet.CoordinateSystems.CoordinateSystemFactory();
//CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.CoordinateSystemFactory();
//Create geographic coordinate system based on the WGS84 datum
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("WGS 84", 6378137, 298.257223563, LinearUnit.Metre);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("WGS_1984", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("WGS 84", AngularUnit.Degrees, datum,
PrimeMeridian.Greenwich, new AxisInfo("Lon", AxisOrientationEnum.East),
new AxisInfo("Lat", AxisOrientationEnum.North));
//Create UTM projection
List <ProjectionParameter> parameters = new List <ProjectionParameter>();
parameters.Add(new ProjectionParameter("latitude_of_origin", 0));
parameters.Add(new ProjectionParameter("central_meridian", -183 + 6 * utmZone));
parameters.Add(new ProjectionParameter("scale_factor", 0.9996));
parameters.Add(new ProjectionParameter("false_easting", 500000));
parameters.Add(new ProjectionParameter("false_northing", 0.0));
IProjection projection = cFac.CreateProjection("Transverse Mercator", "Transverse Mercator", parameters);
return(cFac.CreateProjectedCoordinateSystem("WGS 84 / UTM zone " + utmZone.ToString() + "N", gcs,
projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East),
new AxisInfo("North", AxisOrientationEnum.North)));
}
public static ICoordinateTransformation LatLonToGoogle()
{
CoordinateSystemFactory csFac = new CoordinateSystemFactory();
CoordinateTransformationFactory ctFac = new CoordinateTransformationFactory();
IGeographicCoordinateSystem sourceCs = csFac.CreateGeographicCoordinateSystem(
"WGS 84",
AngularUnit.Degrees,
HorizontalDatum.WGS84,
PrimeMeridian.Greenwich,
new AxisInfo("north", AxisOrientationEnum.North),
new AxisInfo("east", AxisOrientationEnum.East));
List<ProjectionParameter> parameters = new List<ProjectionParameter>
{
new ProjectionParameter("semi_major", 6378137.0),
new ProjectionParameter("semi_minor", 6378137.0),
new ProjectionParameter("latitude_of_origin", 0.0),
new ProjectionParameter("central_meridian", 0.0),
new ProjectionParameter("scale_factor", 1.0),
new ProjectionParameter("false_easting", 0.0),
new ProjectionParameter("false_northing", 0.0)
};
IProjection projection = csFac.CreateProjection("Google Mercator", "mercator_1sp", parameters);
IProjectedCoordinateSystem targetCs = csFac.CreateProjectedCoordinateSystem(
"Google Mercator",
sourceCs,
projection,
LinearUnit.Metre,
new AxisInfo("East", AxisOrientationEnum.East),
new AxisInfo("North", AxisOrientationEnum.North));
return ctFac.CreateFromCoordinateSystems(sourceCs, targetCs);
}
private void TestMercator_1SP()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Bessel 1840", 6377397.155, 299.15281, LinearUnit.Metre);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Bessel 1840", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Bessel 1840", AngularUnit.Degrees,
datum,
PrimeMeridian.Greenwich,
new AxisInfo("Lon",
AxisOrientationEnum.East),
new AxisInfo("Lat",
AxisOrientationEnum.North));
List<ProjectionParameter> parameters = new List<ProjectionParameter>();
parameters.Add(new ProjectionParameter("latitude_of_origin", 0));
parameters.Add(new ProjectionParameter("central_meridian", 110));
parameters.Add(new ProjectionParameter("scale_factor", 0.997));
parameters.Add(new ProjectionParameter("false_easting", 3900000));
parameters.Add(new ProjectionParameter("false_northing", 900000));
IProjection projection = cFac.CreateProjection("Mercator_1SP", "Mercator_1SP", parameters);
IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("Makassar / NEIEZ", gcs, projection,
LinearUnit.Metre,
new AxisInfo("East",
AxisOrientationEnum.East),
new AxisInfo("North",
AxisOrientationEnum.
North));
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs,
coordsys);
var pGeo = new Coordinate(120, -3);
var pUtm = Transform(trans.MathTransform, pGeo);
trans.MathTransform.Invert();
var pGeo2 = Transform(trans.MathTransform, pUtm);
trans.MathTransform.Invert();
result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Coordinate(5009726.58, 569150.82), pGeo2,
"Mercator_1SP test");
}
private void TestLambertConicConformal_2SP()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Clarke 1866", 20925832.16, 294.97470, LinearUnit.USSurveyFoot);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Clarke 1866", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Clarke 1866", AngularUnit.Degrees,
datum,
PrimeMeridian.Greenwich,
new AxisInfo("Lon",
AxisOrientationEnum.East),
new AxisInfo("Lat",
AxisOrientationEnum.North));
List<ProjectionParameter> parameters = new List<ProjectionParameter>();
parameters.Add(new ProjectionParameter("latitude_of_origin", 27.833333333));
parameters.Add(new ProjectionParameter("central_meridian", -99));
parameters.Add(new ProjectionParameter("standard_parallel_1", 28.3833333333));
parameters.Add(new ProjectionParameter("standard_parallel_2", 30.2833333333));
parameters.Add(new ProjectionParameter("false_easting", 2000000));
parameters.Add(new ProjectionParameter("false_northing", 0));
IProjection projection = cFac.CreateProjection("Lambert Conic Conformal (2SP)", "lambert_conformal_conic_2sp",
parameters);
IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("NAD27 / Texas South Central", gcs,
projection, LinearUnit.USSurveyFoot,
new AxisInfo("East",
AxisOrientationEnum.East),
new AxisInfo("North",
AxisOrientationEnum.
North));
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs,
coordsys);
var pGeo = new Coordinate(-96, 28.5);
var pUtm = Transform(trans.MathTransform, pGeo);
trans.MathTransform.Invert();
var pGeo2 = Transform(trans.MathTransform, pUtm);
trans.MathTransform.Invert();
result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Coordinate(2963503.91, 254759.80), pGeo2,
"Lambert Conic Conformal 2SP test");
}
private void TestTransverseMercator()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Airy 1830", 6377563.396, 299.32496, LinearUnit.Metre);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Airy 1830", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Airy 1830", AngularUnit.Degrees, datum,
PrimeMeridian.Greenwich,
new AxisInfo("Lon",
AxisOrientationEnum.East),
new AxisInfo("Lat",
AxisOrientationEnum.North));
List<ProjectionParameter> parameters = new List<ProjectionParameter>();
parameters.Add(new ProjectionParameter("latitude_of_origin", 49));
parameters.Add(new ProjectionParameter("central_meridian", -2));
parameters.Add(new ProjectionParameter("scale_factor", 0.9996012717));
parameters.Add(new ProjectionParameter("false_easting", 400000));
parameters.Add(new ProjectionParameter("false_northing", -100000));
IProjection projection = cFac.CreateProjection("Transverse Mercator", "Transverse_Mercator", parameters);
IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("OSGB 1936 / British National Grid",
gcs, projection, LinearUnit.Metre,
new AxisInfo("East",
AxisOrientationEnum.East),
new AxisInfo("North",
AxisOrientationEnum.
North));
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs,
coordsys);
var pGeo = new Coordinate(0.5, 50.5);
var pUtm = Transform(trans.MathTransform, pGeo);
trans.MathTransform.Invert();
var pGeo2 = Transform(trans.MathTransform, pUtm);
trans.MathTransform.Invert();
result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Coordinate(577274.99, 69740.50), pGeo2,
"Transverse Mercator test");
}
public override FeatureList process(FeatureList input, FilterEnv env)
{
FeatureList output = new FeatureList();
// HACER ALGO DEL ESTILO:
if (transform == null)
{
//Create zone UTM 32N projection
IProjectedCoordinateSystem utmProj = CreateUtmProjection(32);
//Create geographic coordinate system (lets just reuse the CS from the projection)
IGeographicCoordinateSystem geoCS = utmProj.GeographicCoordinateSystem;
//Create transformation
CoordinateTransformationFactory ctFac = new CoordinateTransformationFactory();
// TODO DANI Mirar de donde viene este source y target
ICoordinateTransformation Coordinatetransform = null;// TODO = ctFac.CreateFromCoordinateSystems(source, target);
//cs
string wkt = "GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137,298.257223563]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.0174532925199433]]";
//ICoordinateSystem cs = SharpMap.Converters.WellKnownText.CoordinateSystemWktReader.Parse(wkt) as ICoordinateSystem;
ICoordinateSystem cs = ProjNet.Converters.WellKnownText.CoordinateSystemWktReader.Parse(wkt) as ICoordinateSystem;
//wgs84
GeographicCoordinateSystem wgs84 = GeographicCoordinateSystem.WGS84;
//gcs
CoordinateSystemFactory cFac = new ProjNet.CoordinateSystems.CoordinateSystemFactory();
//CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.CoordinateSystemFactory();
//Create Bessel 1840 geographic coordinate system
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Bessel 1840", 6377397.155, 299.15281, LinearUnit.Metre);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Bessel 1840", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Bessel 1840", AngularUnit.Degrees, datum,
PrimeMeridian.Greenwich, new AxisInfo("Lon", AxisOrientationEnum.East),
new AxisInfo("Lat", AxisOrientationEnum.North));
//coordsys
//Collection<ProjectionParameter> parameters = new Collection<ProjectionParameter>(5);
List <ProjectionParameter> parameters = new List <ProjectionParameter>();
parameters.Add(new ProjectionParameter("latitude_of_origin", 0));
parameters.Add(new ProjectionParameter("central_meridian", 110));
parameters.Add(new ProjectionParameter("scale_factor", 0.997));
parameters.Add(new ProjectionParameter("false_easting", 3900000));
parameters.Add(new ProjectionParameter("false_northing", 900000));
IProjection projection = cFac.CreateProjection("Mercator_1SP", "Mercator_1SP", parameters);
IProjectedCoordinateSystem coordsys =
cFac.CreateProjectedCoordinateSystem("Makassar / NEIEZ", gcs, projection, LinearUnit.Metre,
new AxisInfo("East", AxisOrientationEnum.East),
new AxisInfo("North", AxisOrientationEnum.North));
Coordinatetransform = ctFac.CreateFromCoordinateSystems(gcs, coordsys);//gcsWGS84 -> gcenCsWGS84
//Apply transformation
transform = Coordinatetransform.MathTransform;
}
SharpMap.Geometries.Point p = new SharpMap.Geometries.Point(30.0, 20.0);
p = GeometryTransform.TransformPoint(p, transform);
/*IMPORTANTE
* foreach (Feature feature in input)
* {
* feature.row.Geometry = GeometryTransform.TransformGeometry(feature.row.Geometry, transform);
* //feature.row.Geometry = GeometryTransform.TransformMultiPolygon(feature.row.Geometry, transform);
* }
* IMPORTANTE*/
foreach (Feature f in input)
{
output.Add(f);//output = input
}
// Cosas a cambiar:
// Primero, la construccion del transform está siguiendo el ejemplo, pero hay que tener en cuenta los datos del xml y construirlo en consecuencia
// Segundo, el filtro debe retornar una NUEVA lista, y no modificar la inicial. Ahora modifica los valores de la lista inicial
// IMPORTANTE RETORNAR NUEVA LISTA OUTPUT <----------- FALTA POR HACER
#if TODO
// first time through, establish a working SRS for output data.
if (working_srs == null)
{
// first try to use the terrain SRS if so directed:
SpatialReference new_out_srs = getUseTerrainSRS() ? env.getTerrainSRS() : null;
if (new_out_srs == null)
{
// failing that, see if we have an SRS in a resource:
if (getSRS() == null && getSRSScript() != null)
{
ScriptResult r = env.getScriptEngine().run(getSRSScript(), env);
if (r.isValid())
{
setSRS(env.getSession().getResources().getSRS(r.ToString()));
}
else
{
env.getReport().error(r.ToString());
}
}
new_out_srs = srs;
}
// set the "working" SRS that will be used for all features passing though this filter:
working_srs = new_out_srs != null ? new_out_srs : env.getInputSRS();
// LOCALIZE points around a local origin (the working extent's centroid)
if (working_srs != null && getLocalize()) //&& env.getExtent().getArea() > 0.0 )
{
if (env.getCellExtent().getSRS().isGeographic() && env.getCellExtent().getWidth() > 179.0)
{
//NOP - no localization for big geog extent ... needs more thought perhaps
}
else
{
GeoPoint centroid0 = new_out_srs != null?
new_out_srs.transform(env.getCellExtent().getCentroid()) :
env.getCellExtent().getCentroid();
// we do want the localizer point on the surface if possible:
GeoPoint centroid = clampToTerrain(centroid0, env);
if (centroid == null)
{
centroid = centroid0;
}
Matrixd localizer;
// For geocentric datasets, we need a special localizer matrix:
if (working_srs.isGeocentric())
{
localizer = working_srs.getEllipsoid().createGeocentricInvRefFrame(centroid);
localizer.invert(localizer);
}
// For projected datasets, just a simple translation:
else
{
localizer = osg.Matrixd.translate(-centroid);
}
working_srs = working_srs.cloneWithNewReferenceFrame(localizer);
}
}
}
// we have to assign the output SRS on each pass
if (working_srs != null)
{
env.setOutputSRS(working_srs);
}
return(base.process(input, env));
#endif
//throw new NotImplementedException();
if (successor != null)
{
if (successor is FeatureFilter)
{
FeatureFilter filter = (FeatureFilter)successor;
FeatureList l = filter.process(output, env);
}
else if (successor is FragmentFilter)
{
FragmentFilter filter = (FragmentFilter)successor;
FragmentList l = filter.process(output, env);
}
}
return(output);
}
/// <summary>
/// Creates a UTM projection for the northern/// hemisphere based on the WGS84 datum
/// </summary>
/// <param name="utmZone">Utm Zone</param>
/// <returns>Projection</returns>
private IProjectedCoordinateSystem CreateUtmProjection(int utmZone)
{
CoordinateSystemFactory cFac = new ProjNet.CoordinateSystems.CoordinateSystemFactory();
//CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.CoordinateSystemFactory();
//Create geographic coordinate system based on the WGS84 datum
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("WGS 84", 6378137, 298.257223563, LinearUnit.Metre);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("WGS_1984", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("WGS 84", AngularUnit.Degrees, datum,
PrimeMeridian.Greenwich, new AxisInfo("Lon", AxisOrientationEnum.East),
new AxisInfo("Lat", AxisOrientationEnum.North));
//Create UTM projection
List<ProjectionParameter> parameters = new List<ProjectionParameter>();
parameters.Add(new ProjectionParameter("latitude_of_origin", 0));
parameters.Add(new ProjectionParameter("central_meridian", -183 + 6 * utmZone));
parameters.Add(new ProjectionParameter("scale_factor", 0.9996));
parameters.Add(new ProjectionParameter("false_easting", 500000));
parameters.Add(new ProjectionParameter("false_northing", 0.0));
IProjection projection = cFac.CreateProjection("Transverse Mercator", "Transverse Mercator", parameters);
return cFac.CreateProjectedCoordinateSystem("WGS 84 / UTM zone " + utmZone.ToString() + "N", gcs,
projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East),
new AxisInfo("North", AxisOrientationEnum.North));
}
private void TestGeocentric()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("WGS84", AngularUnit.Degrees,
HorizontalDatum.WGS84,
PrimeMeridian.Greenwich,
new AxisInfo("Lon",
AxisOrientationEnum.East),
new AxisInfo("Lat",
AxisOrientationEnum.North));
IGeocentricCoordinateSystem geoccs = cFac.CreateGeocentricCoordinateSystem("WGS84 geocentric",
gcs.HorizontalDatum, LinearUnit.Metre,
PrimeMeridian.Greenwich);
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs, geoccs);
var pGeo = new Coordinate(2.12955, 53.80939444, 73);
var pGc = Transform(trans.MathTransform, pGeo);
trans.MathTransform.Invert();
var pGeo2 = Transform(trans.MathTransform, pGc);
trans.MathTransform.Invert();
result.Text += PrintResultTable(gcs, geoccs, pGeo, pGc, new Coordinate(3771793.97, 140253.34, 5124304.35), pGeo2,
"Geocentric test");
return;
}
public void TestTransverseMercator_Projection()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Airy 1830", 6377563.396, 299.32496, LinearUnit.Metre);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Airy 1830", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Airy 1830", AngularUnit.Degrees, datum,
PrimeMeridian.Greenwich, new AxisInfo("Lon", AxisOrientationEnum.East),
new AxisInfo("Lat", AxisOrientationEnum.North));
List<ProjectionParameter> parameters = new List<ProjectionParameter>(5);
parameters.Add(new ProjectionParameter("latitude_of_origin", 49));
parameters.Add(new ProjectionParameter("central_meridian", -2));
parameters.Add(new ProjectionParameter("scale_factor", 0.9996012717));
parameters.Add(new ProjectionParameter("false_easting", 400000));
parameters.Add(new ProjectionParameter("false_northing", -100000));
IProjection projection = cFac.CreateProjection("Transverse Mercator", "Transverse_Mercator", parameters);
IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("OSGB 1936 / British National Grid", gcs, projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs, coordsys);
double[] pGeo = new double[] { 0.5, 50.5 };
double[] pUtm = trans.MathTransform.Transform(pGeo);
double[] pGeo2 = trans.MathTransform.Inverse().Transform(pUtm);
double[] expected = new double[] { 577274.99, 69740.50 };
Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.02), String.Format("TransverseMercator forward transformation outside tolerance, Expected {0}, got {1}", expected.ToString(), pUtm.ToString()));
Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("TransverseMercator reverse transformation outside tolerance, Expected {0}, got {1}", pGeo.ToString(), pGeo2.ToString()));
}
public void TestMercator_2SP_Projection()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Krassowski 1940", 6378245.0, 298.3, LinearUnit.Metre);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Krassowski 1940", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Krassowski 1940", AngularUnit.Degrees, datum,
PrimeMeridian.Greenwich, new AxisInfo("Lon", AxisOrientationEnum.East),
new AxisInfo("Lat", AxisOrientationEnum.North));
List<ProjectionParameter> parameters = new List<ProjectionParameter>(5);
parameters.Add(new ProjectionParameter("latitude_of_origin", 42));
parameters.Add(new ProjectionParameter("central_meridian", 51));
parameters.Add(new ProjectionParameter("false_easting", 0));
parameters.Add(new ProjectionParameter("false_northing", 0));
IProjection projection = cFac.CreateProjection("Mercator_2SP", "Mercator_2SP", parameters);
IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("Pulkovo 1942 / Mercator Caspian Sea", gcs, projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs, coordsys);
double[] pGeo = new double[] { 53, 53 };
double[] pUtm = trans.MathTransform.Transform(pGeo);
double[] pGeo2 = trans.MathTransform.Inverse().Transform(pUtm);
double[] expected = new double[] { 165704.29, 5171848.07 };
Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.02), String.Format("Mercator_2SP forward transformation outside tolerance, Expected {0}, got {1}", expected.ToString(), pUtm.ToString()));
Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("Mercator_2SP reverse transformation outside tolerance, Expected {0}, got {1}", pGeo.ToString(), pGeo2.ToString()));
}
public void TestMercator_1SP_Projection_Feet()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Bessel 1840", 6377397.155, 299.15281, LinearUnit.Metre);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Bessel 1840", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Bessel 1840", AngularUnit.Degrees, datum,
PrimeMeridian.Greenwich, new AxisInfo("Lon", AxisOrientationEnum.East),
new AxisInfo("Lat", AxisOrientationEnum.North));
List<ProjectionParameter> parameters = new List<ProjectionParameter>(5);
parameters.Add(new ProjectionParameter("latitude_of_origin", 0));
parameters.Add(new ProjectionParameter("central_meridian", 110));
parameters.Add(new ProjectionParameter("scale_factor", 0.997));
parameters.Add(new ProjectionParameter("false_easting", 3900000 / LinearUnit.Foot.MetersPerUnit));
parameters.Add(new ProjectionParameter("false_northing", 900000 / LinearUnit.Foot.MetersPerUnit));
IProjection projection = cFac.CreateProjection("Mercator_1SP", "Mercator_1SP", parameters);
IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("Makassar / NEIEZ", gcs, projection, LinearUnit.Foot, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs, coordsys);
double[] pGeo = new double[] { 120, -3 };
double[] pUtm = trans.MathTransform.Transform(pGeo);
double[] pGeo2 = trans.MathTransform.Inverse().Transform(pUtm);
double[] expected = new double[] { 5009726.58 / LinearUnit.Foot.MetersPerUnit, 569150.82 / LinearUnit.Foot.MetersPerUnit };
Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.02), String.Format("Mercator_1SP forward transformation outside tolerance, Expected [{0},{1}], got [{2},{3}]", expected[0],expected[1], pUtm[0],pUtm[1]));
Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("Mercator_1SP reverse transformation outside tolerance, Expected [{0},{1}], got [{2},{3}]", pGeo[0], pGeo[1], pGeo2[0], pGeo2[1]));
}
public void TestLambertConicConformal2SP_Projection()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Clarke 1866", 20925832.16, 294.97470, LinearUnit.USSurveyFoot);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Clarke 1866", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Clarke 1866", AngularUnit.Degrees, datum,
PrimeMeridian.Greenwich, new AxisInfo("Lon", AxisOrientationEnum.East),
new AxisInfo("Lat", AxisOrientationEnum.North));
List<ProjectionParameter> parameters = new List<ProjectionParameter>(5);
parameters.Add(new ProjectionParameter("latitude_of_origin", 27.833333333));
parameters.Add(new ProjectionParameter("central_meridian", -99));
parameters.Add(new ProjectionParameter("standard_parallel_1", 28.3833333333));
parameters.Add(new ProjectionParameter("standard_parallel_2", 30.2833333333));
parameters.Add(new ProjectionParameter("false_easting", 2000000 / LinearUnit.USSurveyFoot.MetersPerUnit));
parameters.Add(new ProjectionParameter("false_northing", 0));
IProjection projection = cFac.CreateProjection("Lambert Conic Conformal (2SP)", "lambert_conformal_conic_2sp", parameters);
IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("NAD27 / Texas South Central", gcs, projection, LinearUnit.USSurveyFoot, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs, coordsys);
double[] pGeo = new double[] { -96, 28.5 };
double[] pUtm = trans.MathTransform.Transform(pGeo);
double[] pGeo2 = trans.MathTransform.Inverse().Transform(pUtm);
double[] expected = new double[] { 2963503.91 / LinearUnit.USSurveyFoot.MetersPerUnit, 254759.80 / LinearUnit.USSurveyFoot.MetersPerUnit };
Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.05), String.Format("LambertConicConformal2SP forward transformation outside tolerance, Expected [{0},{1}], got [{2},{3}]", expected[0], expected[1], pUtm[0], pUtm[1]));
Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("LambertConicConformal2SP reverse transformation outside tolerance, Expected [{0},{1}], got [{2},{3}]", pGeo[0], pGeo[1], pGeo2[0], pGeo2[1]));
}
public void TestKrovak_Projection()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Bessel 1840", 6377397.155, 299.15281, LinearUnit.Metre);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Bessel 1840", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Bessel 1840", AngularUnit.Degrees, datum,
PrimeMeridian.Greenwich, new AxisInfo("Lon", AxisOrientationEnum.East),
new AxisInfo("Lat", AxisOrientationEnum.North));
List<ProjectionParameter> parameters = new List<ProjectionParameter>(5);
parameters.Add(new ProjectionParameter("latitude_of_center", 49.5));
parameters.Add(new ProjectionParameter("longitude_of_center", 42.5));
parameters.Add(new ProjectionParameter("azimuth", 30.28813972222222));
parameters.Add(new ProjectionParameter("pseudo_standard_parallel_1", 78.5));
parameters.Add(new ProjectionParameter("scale_factor", 0.9999));
parameters.Add(new ProjectionParameter("false_easting", 0));
parameters.Add(new ProjectionParameter("false_northing", 0));
IProjection projection = cFac.CreateProjection("Krovak", "Krovak", parameters);
IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("WGS 84", gcs, projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs, coordsys);
// test case 1
double[] pGeo = new double[] { 12, 48 };
double[] expected = new double[] { -953172.26, -1245573.32 };
double[] pUtm = trans.MathTransform.Transform(pGeo);
double[] pGeo2 = trans.MathTransform.Inverse().Transform(pUtm);
Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.02), String.Format("Krovak forward transformation outside tolerance, Expected [{0},{1}], got [{2},{3}]", expected[0], expected[1], pUtm[0], pUtm[1]));
Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("Krovak reverse transformation outside tolerance, Expected [{0},{1}], got [{2},{3}]", pGeo[0], pGeo[1], pGeo2[0], pGeo2[1]));
// test case 2
pGeo = new double[] { 18, 49 };
expected = new double[] { -499258.06, -1192389.16 };
pUtm = trans.MathTransform.Transform(pGeo);
pGeo2 = trans.MathTransform.Inverse().Transform(pUtm);
Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.02), String.Format("Krovak forward transformation outside tolerance, Expected [{0},{1}], got [{2},{3}]", expected[0], expected[1], pUtm[0], pUtm[1]));
Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("Krovak reverse transformation outside tolerance, Expected [{0},{1}], got [{2},{3}]", pGeo[0], pGeo[1], pGeo2[0], pGeo2[1]));
}
public void TestGeocentric()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("ETRF89 Geographic", AngularUnit.Degrees, HorizontalDatum.ETRF89, PrimeMeridian.Greenwich,
new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
IGeocentricCoordinateSystem gcenCs = cFac.CreateGeocentricCoordinateSystem("ETRF89 Geocentric", HorizontalDatum.ETRF89, LinearUnit.Metre, PrimeMeridian.Greenwich);
CoordinateTransformationFactory gtFac = new CoordinateTransformationFactory();
ICoordinateTransformation ct = gtFac.CreateFromCoordinateSystems(gcs, gcenCs);
double[] pExpected = new double[] { 2 + 7.0 / 60 + 46.38 / 3600, 53 + 48.0 / 60 + 33.82/3600 }; // Point.FromDMS(2, 7, 46.38, 53, 48, 33.82);
double[] pExpected3D = new double[] { pExpected[0], pExpected[1], 73.0 };
double[] p0 = new double[] { 3771793.97, 140253.34, 5124304.35 };
double[] p1 = ct.MathTransform.Transform(pExpected3D) as double[];
double[] p2 = ct.MathTransform.Inverse().Transform(p1) as double[];
Assert.IsTrue(ToleranceLessThan(p1, p0, 0.01));
Assert.IsTrue(ToleranceLessThan(p2, pExpected, 0.00001));
}
private void TestAlbers()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Clarke 1866", 6378206.4, 294.9786982138982,
LinearUnit.USSurveyFoot);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Clarke 1866", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Clarke 1866", AngularUnit.Degrees,
datum,
PrimeMeridian.Greenwich,
new AxisInfo("Lon",
AxisOrientationEnum.East),
new AxisInfo("Lat",
AxisOrientationEnum.North));
List<ProjectionParameter> parameters = new List<ProjectionParameter>();
parameters.Add(new ProjectionParameter("central_meridian", -96));
parameters.Add(new ProjectionParameter("latitude_of_origin", 23));
parameters.Add(new ProjectionParameter("standard_parallel_1", 29.5));
parameters.Add(new ProjectionParameter("standard_parallel_2", 45.5));
parameters.Add(new ProjectionParameter("false_easting", 0));
parameters.Add(new ProjectionParameter("false_northing", 0));
IProjection projection = cFac.CreateProjection("Albers Conical Equal Area", "albers", parameters);
IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("Albers Conical Equal Area", gcs,
projection, LinearUnit.Metre,
new AxisInfo("East",
AxisOrientationEnum.East),
new AxisInfo("North",
AxisOrientationEnum.
North));
ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs,
coordsys);
var pGeo = new Coordinate(-75, 35);
var pUtm = Transform(trans.MathTransform, pGeo);
trans.MathTransform.Invert();
var pGeo2 = Transform(trans.MathTransform, pUtm);
trans.MathTransform.Invert();
result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Coordinate(1885472.7, 1535925), pGeo2,
"Albers Conical Equal Area test");
}
public override FeatureList process(FeatureList input, FilterEnv env)
{
FeatureList output = new FeatureList();
// HACER ALGO DEL ESTILO:
if (transform == null)
{
//Create zone UTM 32N projection
IProjectedCoordinateSystem utmProj = CreateUtmProjection(32);
//Create geographic coordinate system (lets just reuse the CS from the projection)
IGeographicCoordinateSystem geoCS = utmProj.GeographicCoordinateSystem;
//Create transformation
CoordinateTransformationFactory ctFac = new CoordinateTransformationFactory();
// TODO DANI Mirar de donde viene este source y target
ICoordinateTransformation Coordinatetransform = null;// TODO = ctFac.CreateFromCoordinateSystems(source, target);
//cs
string wkt = "GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137,298.257223563]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.0174532925199433]]";
//ICoordinateSystem cs = SharpMap.Converters.WellKnownText.CoordinateSystemWktReader.Parse(wkt) as ICoordinateSystem;
ICoordinateSystem cs = ProjNet.Converters.WellKnownText.CoordinateSystemWktReader.Parse(wkt) as ICoordinateSystem;
//wgs84
GeographicCoordinateSystem wgs84 = GeographicCoordinateSystem.WGS84;
//gcs
CoordinateSystemFactory cFac = new ProjNet.CoordinateSystems.CoordinateSystemFactory();
//CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.CoordinateSystemFactory();
//Create Bessel 1840 geographic coordinate system
IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Bessel 1840", 6377397.155, 299.15281, LinearUnit.Metre);
IHorizontalDatum datum = cFac.CreateHorizontalDatum("Bessel 1840", DatumType.HD_Geocentric, ellipsoid, null);
IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem("Bessel 1840", AngularUnit.Degrees, datum,
PrimeMeridian.Greenwich, new AxisInfo("Lon", AxisOrientationEnum.East),
new AxisInfo("Lat", AxisOrientationEnum.North));
//coordsys
//Collection<ProjectionParameter> parameters = new Collection<ProjectionParameter>(5);
List<ProjectionParameter> parameters = new List<ProjectionParameter>();
parameters.Add(new ProjectionParameter("latitude_of_origin", 0));
parameters.Add(new ProjectionParameter("central_meridian", 110));
parameters.Add(new ProjectionParameter("scale_factor", 0.997));
parameters.Add(new ProjectionParameter("false_easting", 3900000));
parameters.Add(new ProjectionParameter("false_northing", 900000));
IProjection projection = cFac.CreateProjection("Mercator_1SP", "Mercator_1SP", parameters);
IProjectedCoordinateSystem coordsys =
cFac.CreateProjectedCoordinateSystem("Makassar / NEIEZ", gcs, projection, LinearUnit.Metre,
new AxisInfo("East", AxisOrientationEnum.East),
new AxisInfo("North", AxisOrientationEnum.North));
Coordinatetransform = ctFac.CreateFromCoordinateSystems(gcs, coordsys);//gcsWGS84 -> gcenCsWGS84
//Apply transformation
transform = Coordinatetransform.MathTransform;
}
SharpMap.Geometries.Point p = new SharpMap.Geometries.Point(30.0, 20.0);
p = GeometryTransform.TransformPoint(p,transform);
/*IMPORTANTE
foreach (Feature feature in input)
{
feature.row.Geometry = GeometryTransform.TransformGeometry(feature.row.Geometry, transform);
//feature.row.Geometry = GeometryTransform.TransformMultiPolygon(feature.row.Geometry, transform);
}
IMPORTANTE*/
foreach (Feature f in input)
{
output.Add(f);//output = input
}
// Cosas a cambiar:
// Primero, la construccion del transform está siguiendo el ejemplo, pero hay que tener en cuenta los datos del xml y construirlo en consecuencia
// Segundo, el filtro debe retornar una NUEVA lista, y no modificar la inicial. Ahora modifica los valores de la lista inicial
// IMPORTANTE RETORNAR NUEVA LISTA OUTPUT <----------- FALTA POR HACER
#if TODO
// first time through, establish a working SRS for output data.
if (working_srs == null)
{
// first try to use the terrain SRS if so directed:
SpatialReference new_out_srs = getUseTerrainSRS() ? env.getTerrainSRS() : null;
if (new_out_srs == null)
{
// failing that, see if we have an SRS in a resource:
if (getSRS() == null && getSRSScript() != null)
{
ScriptResult r = env.getScriptEngine().run(getSRSScript(), env);
if (r.isValid())
setSRS(env.getSession().getResources().getSRS(r.ToString()));
else
env.getReport().error(r.ToString());
}
new_out_srs = srs;
}
// set the "working" SRS that will be used for all features passing though this filter:
working_srs = new_out_srs != null ? new_out_srs : env.getInputSRS();
// LOCALIZE points around a local origin (the working extent's centroid)
if (working_srs != null && getLocalize()) //&& env.getExtent().getArea() > 0.0 )
{
if (env.getCellExtent().getSRS().isGeographic() && env.getCellExtent().getWidth() > 179.0)
{
//NOP - no localization for big geog extent ... needs more thought perhaps
}
else
{
GeoPoint centroid0 = new_out_srs != null ?
new_out_srs.transform(env.getCellExtent().getCentroid()) :
env.getCellExtent().getCentroid();
// we do want the localizer point on the surface if possible:
GeoPoint centroid = clampToTerrain(centroid0, env);
if (centroid == null)
centroid = centroid0;
Matrixd localizer;
// For geocentric datasets, we need a special localizer matrix:
if (working_srs.isGeocentric())
{
localizer = working_srs.getEllipsoid().createGeocentricInvRefFrame(centroid);
localizer.invert(localizer);
}
// For projected datasets, just a simple translation:
else
{
localizer = osg.Matrixd.translate(-centroid);
}
working_srs = working_srs.cloneWithNewReferenceFrame(localizer);
}
}
}
// we have to assign the output SRS on each pass
if (working_srs != null)
{
env.setOutputSRS(working_srs);
}
return base.process(input, env);
#endif
//throw new NotImplementedException();
if (successor != null)
{
if (successor is FeatureFilter)
{
FeatureFilter filter = (FeatureFilter)successor;
FeatureList l = filter.process(output, env);
}
else if (successor is FragmentFilter)
{
FragmentFilter filter = (FragmentFilter)successor;
FragmentList l = filter.process(output, env);
}
}
return output;
}
public void TestDatumTransform()
{
CoordinateSystemFactory cFac = new CoordinateSystemFactory();
//Define datums
HorizontalDatum wgs72 = HorizontalDatum.WGS72;
HorizontalDatum ed50 = HorizontalDatum.ED50;
//Define geographic coordinate systems
IGeographicCoordinateSystem gcsWGS72 = cFac.CreateGeographicCoordinateSystem("WGS72 Geographic", AngularUnit.Degrees, wgs72, PrimeMeridian.Greenwich,
new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
IGeographicCoordinateSystem gcsWGS84 = cFac.CreateGeographicCoordinateSystem("WGS84 Geographic", AngularUnit.Degrees, HorizontalDatum.WGS84, PrimeMeridian.Greenwich,
new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
IGeographicCoordinateSystem gcsED50 = cFac.CreateGeographicCoordinateSystem("ED50 Geographic", AngularUnit.Degrees, ed50, PrimeMeridian.Greenwich,
new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
//Define geocentric coordinate systems
IGeocentricCoordinateSystem gcenCsWGS72 = cFac.CreateGeocentricCoordinateSystem("WGS72 Geocentric", wgs72, LinearUnit.Metre, PrimeMeridian.Greenwich);
IGeocentricCoordinateSystem gcenCsWGS84 = cFac.CreateGeocentricCoordinateSystem("WGS84 Geocentric", HorizontalDatum.WGS84, LinearUnit.Metre, PrimeMeridian.Greenwich);
IGeocentricCoordinateSystem gcenCsED50 = cFac.CreateGeocentricCoordinateSystem("ED50 Geocentric", ed50, LinearUnit.Metre, PrimeMeridian.Greenwich);
//Define projections
List<ProjectionParameter> parameters = new List<ProjectionParameter>(5);
parameters.Add(new ProjectionParameter("latitude_of_origin", 0));
parameters.Add(new ProjectionParameter("central_meridian", 9));
parameters.Add(new ProjectionParameter("scale_factor", 0.9996));
parameters.Add(new ProjectionParameter("false_easting", 500000));
parameters.Add(new ProjectionParameter("false_northing", 0));
IProjection projection = cFac.CreateProjection("Transverse Mercator", "Transverse_Mercator", parameters);
IProjectedCoordinateSystem utmED50 = cFac.CreateProjectedCoordinateSystem("ED50 UTM Zone 32N", gcsED50, projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
IProjectedCoordinateSystem utmWGS84 = cFac.CreateProjectedCoordinateSystem("WGS84 UTM Zone 32N", gcsWGS84, projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North));
//Set TOWGS84 parameters
wgs72.Wgs84Parameters = new Wgs84ConversionInfo(0, 0, 4.5, 0, 0, 0.554, 0.219);
ed50.Wgs84Parameters = new Wgs84ConversionInfo(-81.0703, -89.3603, -115.7526,
-0.48488, -0.02436, -0.41321,
-0.540645); //Parameters for Denmark
//Set up coordinate transformations
CoordinateTransformationFactory ctFac = new CoordinateTransformationFactory();
ICoordinateTransformation ctForw = ctFac.CreateFromCoordinateSystems(gcsWGS72, gcenCsWGS72); //Geographic->Geocentric (WGS72)
ICoordinateTransformation ctWGS84_Gcen2Geo = ctFac.CreateFromCoordinateSystems(gcenCsWGS84, gcsWGS84); //Geocentric->Geographic (WGS84)
ICoordinateTransformation ctWGS84_Geo2UTM = ctFac.CreateFromCoordinateSystems(gcsWGS84, utmWGS84); //UTM ->Geographic (WGS84)
ICoordinateTransformation ctED50_UTM2Geo = ctFac.CreateFromCoordinateSystems(utmED50, gcsED50); //UTM ->Geographic (ED50)
ICoordinateTransformation ctED50_Geo2Gcen = ctFac.CreateFromCoordinateSystems(gcsED50, gcenCsED50); //Geographic->Geocentric (ED50)
//Test datum-shift from WGS72 to WGS84
//Point3D pGeoCenWGS72 = ctForw.MathTransform.Transform(pLongLatWGS72) as Point3D;
double[] pGeoCenWGS72 = new double[] {3657660.66, 255768.55, 5201382.11};
ICoordinateTransformation geocen_ed50_2_Wgs84 = ctFac.CreateFromCoordinateSystems(gcenCsWGS72, gcenCsWGS84);
double[] pGeoCenWGS84 = geocen_ed50_2_Wgs84.MathTransform.Transform(pGeoCenWGS72);
//Point3D pGeoCenWGS84 = wgs72.Wgs84Parameters.Apply(pGeoCenWGS72);
Assert.IsTrue(ToleranceLessThan(new double[] { 3657660.78, 255778.43, 5201387.75 }, pGeoCenWGS84, 0.01));
ICoordinateTransformation utm_ed50_2_Wgs84 = ctFac.CreateFromCoordinateSystems(utmED50, utmWGS84);
double[] pUTMED50 = new double[] {600000, 6100000};
double[] pUTMWGS84 = utm_ed50_2_Wgs84.MathTransform.Transform(pUTMED50);
Assert.IsTrue(ToleranceLessThan(new double[] { 599928.6, 6099790.2 }, pUTMWGS84, 0.1));
//Perform reverse
ICoordinateTransformation utm_Wgs84_2_Ed50 = ctFac.CreateFromCoordinateSystems(utmWGS84, utmED50);
pUTMED50 = utm_Wgs84_2_Ed50.MathTransform.Transform(pUTMWGS84);
Assert.IsTrue(ToleranceLessThan(new double[] {600000, 6100000}, pUTMED50, 0.1));
//Assert.IsTrue(Math.Abs((pUTMWGS84 as Point3D).Z - 36.35) < 0.5);
//Point pExpected = Point.FromDMS(2, 7, 46.38, 53, 48, 33.82);
//ED50_to_WGS84_Denmark: datum.Wgs84Parameters = new Wgs84ConversionInfo(-89.5, -93.8, 127.6, 0, 0, 4.5, 1.2);
}
private IProjectedCoordinateSystem createExpectedCoordinateSystem()
{
ICoordinateSystemFactory factory = new CoordinateSystemFactory<BufferedCoordinate2D>(
_geoFactory.CoordinateFactory, _geoFactory);
IEllipsoid grs80 = Ellipsoid.Grs80;
IHorizontalDatum harn = factory.CreateHorizontalDatum(
DatumType.HorizontalGeocentric, grs80, null,
"D_North_American_1983_HARN");
IPrimeMeridian greenwich = PrimeMeridian.Greenwich;
IAxisInfo axis0 = new AxisInfo(AxisOrientation.East, "Lon");
IAxisInfo axis1 = new AxisInfo(AxisOrientation.North, "Lat");
// Made the first parameter - the IExtents - null, which should be improved
IGeographicCoordinateSystem gcs = factory.CreateGeographicCoordinateSystem(null,
AngularUnit.Degrees, harn, greenwich, axis0, axis1, "GCS_North_American_1983_HARN");
IProjection prj = factory.CreateProjection(
"Lambert_Conformal_Conic",
new ProjectionParameter[]
{
new ProjectionParameter("False_Easting", 8202099.737532808),
new ProjectionParameter("False_Northing", 0),
new ProjectionParameter("Central_Meridian", -120.5),
new ProjectionParameter("Standard_Parallel_1", 44.33333333333334),
new ProjectionParameter("Standard_Parallel_2", 46.0),
new ProjectionParameter("Latitude_Of_Origin", 43.66666666666666)
},
"Lambert_Conformal_Conic");
IProjectedCoordinateSystem expected = factory.CreateProjectedCoordinateSystem(
gcs, prj, LinearUnit.Foot, axis0, axis1, "NAD_1983_HARN_StatePlane_Oregon_North_FIPS_3601");
// TODO: Check if this is correct, since on line 184 of CoorindateSystemFactory.cs,
// HorizontalDatum is passed in as null
return expected;
}
//Creates a Mercator projection
private static ICoordinateSystem GetMercatorProjection()
{
var factory = new CoordinateSystemFactory();
var wgs84 = factory.CreateGeographicCoordinateSystem("WGS 84",
AngularUnit.Degrees, HorizontalDatum.WGS84, PrimeMeridian.Greenwich,
new AxisInfo("north", AxisOrientationEnum.North), new
AxisInfo("east", AxisOrientationEnum.East));
var parameters = new List<ProjectionParameter>
{
new ProjectionParameter("semi_major", 6371000), // 6378137
new ProjectionParameter("semi_minor", 6371000), // 6378137
new ProjectionParameter("latitude_of_origin", 0.0),
new ProjectionParameter("central_meridian", 0.0),
new ProjectionParameter("scale_factor", 1.0),
new ProjectionParameter("false_easting", 0.0),
new ProjectionParameter("false_northing", 0.0)
};
var projection = factory.CreateProjection("Mercator", "mercator_1sp", parameters);
var mercator = factory.CreateProjectedCoordinateSystem("Mercator",
wgs84, projection, LinearUnit.Metre,
new AxisInfo("East", AxisOrientationEnum.East),
new AxisInfo("North", AxisOrientationEnum.North));
return mercator;
}
