public CreateProjectedCoordinateSystem ( string name, IGeographicCoordinateSystem gcs, IProjection projection, ILinearUnit linearUnit, |
||
name | string | Name of projected coordinate system |
gcs | IGeographicCoordinateSystem | Geographic coordinate system |
projection | IProjection | Projection |
linearUnit | ILinearUnit | Linear unit |
axis0 | Primary axis | |
axis1 | Secondary axis | |
return | IProjectedCoordinateSystem |
private void TestMercator_2SP() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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); SharpMap.Geometries.Point pGeo = new SharpMap.Geometries.Point(53,53); SharpMap.Geometries.Point pUtm = new Point(trans.MathTransform.Transform(pGeo.ToDoubleArray())); SharpMap.Geometries.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"); }
private void TestMercator_1SP() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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); SharpMap.Geometries.Point pGeo = new SharpMap.Geometries.Point(120, -3); SharpMap.Geometries.Point pUtm = new Point(trans.MathTransform.Transform(pGeo.ToDoubleArray())); SharpMap.Geometries.Point pGeo2 = new Point(trans.MathTransform.Inverse().Transform(pUtm.ToDoubleArray())); result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Point(5009726.58, 569150.82), pGeo2, "Mercator_1SP test"); }
public void TestMercator_1SP_Projection() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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)); System.Collections.Generic.List<ProjectionParameter> parameters = new System.Collections.Generic.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)); 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); 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, 569150.82 }; Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.02), String.Format("Mercator_1SP forward transformation outside tolerance, Expected {0}, got {1}", expected.ToString(), pUtm.ToString())); Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("Mercator_1SP reverse transformation outside tolerance, Expected {0}, got {1}", pGeo.ToString(), pGeo2.ToString())); }
public void TestMercator_2SP_Projection() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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)); System.Collections.Generic.List <ProjectionParameter> parameters = new System.Collections.Generic.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 TestTransverseMercator_Projection() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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)); System.Collections.Generic.List <ProjectionParameter> parameters = new System.Collections.Generic.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 TestAlbersProjection() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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)); System.Collections.Generic.List <ProjectionParameter> parameters = new System.Collections.Generic.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.Metre, 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, 1535925 }; Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.05), String.Format("Albers forward transformation outside tolerance, Expected {0}, got {1}", expected.ToString(), pUtm.ToString())); Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("Albers reverse transformation outside tolerance, Expected {0}, got {1}", pGeo.ToString(), pGeo2.ToString())); }
private void TestMercator_1SP() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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); SharpMap.Geometries.Point pGeo = new SharpMap.Geometries.Point(120, -3); SharpMap.Geometries.Point pUtm = new Point(trans.MathTransform.Transform(pGeo.ToDoubleArray())); SharpMap.Geometries.Point pGeo2 = new Point(trans.MathTransform.Inverse().Transform(pUtm.ToDoubleArray())); result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Point(5009726.58, 569150.82), pGeo2, "Mercator_1SP test"); }
private void TestAlbers() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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); SharpMap.Geometries.Point pGeo = new SharpMap.Geometries.Point(-75, 35); SharpMap.Geometries.Point pUtm = new Point(trans.MathTransform.Transform(pGeo.ToDoubleArray())); SharpMap.Geometries.Point pGeo2 = new Point(trans.MathTransform.Inverse().Transform(pUtm.ToDoubleArray())); result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Point(1885472.7, 1535925), pGeo2, "Albers Conical Equal Area test"); }
public void TestLambertConicConformal2SP_Projection() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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)); System.Collections.Generic.List <ProjectionParameter> parameters = new System.Collections.Generic.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)); 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, 254759.80 }; Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.02), String.Format("LambertConicConformal2SP forward transformation outside tolerance, Expected {0}, got {1}", expected.ToString(), pUtm.ToString())); Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("LambertConicConformal2SP reverse transformation outside tolerance, Expected {0}, got {1}", pGeo.ToString(), pGeo2.ToString())); }
private void TestMercator_2SP() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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); SharpMap.Geometries.Point pGeo = new SharpMap.Geometries.Point(53, 53); SharpMap.Geometries.Point pUtm = new Point(trans.MathTransform.Transform(pGeo.ToDoubleArray())); SharpMap.Geometries.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"); }
public void TestAlbersProjection() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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)); System.Collections.Generic.List<ProjectionParameter> parameters = new System.Collections.Generic.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.Metre, 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, 1535925 }; Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.05), String.Format("Albers forward transformation outside tolerance, Expected {0}, got {1}", expected.ToString(), pUtm.ToString())); Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("Albers reverse transformation outside tolerance, Expected {0}, got {1}", pGeo.ToString(), pGeo2.ToString())); }
private void TestTransverseMercator() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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); SharpMap.Geometries.Point pGeo = new SharpMap.Geometries.Point(0.5, 50.5); SharpMap.Geometries.Point pUtm = new Point(trans.MathTransform.Transform(pGeo.ToDoubleArray())); SharpMap.Geometries.Point pGeo2 = new Point(trans.MathTransform.Inverse().Transform(pUtm.ToDoubleArray())); result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Point(577274.99, 69740.50), pGeo2, "Transverse Mercator test"); }
public static ICoordinateTransformation Transform2Lambert(ICoordinateSystem source) { if (source == null) { throw new ArgumentException("Source coordinate system is null"); } if (!(source is IGeographicCoordinateSystem)) { throw new ArgumentException("Source coordinate system must be geographic"); } CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.CoordinateSystemFactory(); List <ProjectionParameter> parameters = new List <ProjectionParameter>(); parameters.Add(new ProjectionParameter("latitude_of_origin", 50)); parameters.Add(new ProjectionParameter("central_meridian", -95)); parameters.Add(new ProjectionParameter("standard_parallel_1", 33)); parameters.Add(new ProjectionParameter("standard_parallel_2", 45)); parameters.Add(new ProjectionParameter("false_easting", 0)); parameters.Add(new ProjectionParameter("false_northing", 0)); IProjection projection = cFac.CreateProjection("Lambert Conformal Conic 2SP", "lambert_conformal_conic_2sp", parameters); IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("Lambert Conformal Conic 2SP", source as IGeographicCoordinateSystem, projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North)); return(new CoordinateTransformationFactory().CreateFromCoordinateSystems(source, coordsys)); }
private void TestLambertConicConformal_2SP() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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); SharpMap.Geometries.Point pGeo = new SharpMap.Geometries.Point(-96, 28.5); SharpMap.Geometries.Point pUtm = new Point(trans.MathTransform.Transform(pGeo.ToDoubleArray())); SharpMap.Geometries.Point pGeo2 = new Point(trans.MathTransform.Inverse().Transform(pUtm.ToDoubleArray())); result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Point(2963503.91, 254759.80), pGeo2, "Lambert Conic Conformal 2SP test"); }
public void TestMercator_1SP_Projection() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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)); System.Collections.Generic.List <ProjectionParameter> parameters = new System.Collections.Generic.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)); 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); 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, 569150.82 }; Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.02), String.Format("Mercator_1SP forward transformation outside tolerance, Expected {0}, got {1}", expected.ToString(), pUtm.ToString())); Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("Mercator_1SP reverse transformation outside tolerance, Expected {0}, got {1}", pGeo.ToString(), pGeo2.ToString())); }
public void BL2XY(double iLongtitude, double iLatitude, out double iProjectedX, out double iProjectedY) { SharpMap.Geometries.Point ptInput = new SharpMap.Geometries.Point(iLongtitude, iLatitude); iProjectedX = -1; iProjectedY = -1; //if (Math.Abs(ptInput.X) > 360) // return null; int nCenterLongitude = ((int)(ptInput.X / 3)) * 3; CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.CoordinateSystemFactory(); //创建椭球体 IEllipsoid ellipsoid = cFac.CreateFlattenedSphere("Xian 1980", 6378140, 298.257, SharpMap.CoordinateSystems.LinearUnit.Metre); IHorizontalDatum datum = cFac.CreateHorizontalDatum("Xian_1980", DatumType.HD_Geocentric, ellipsoid, null); //创建地理坐标系 SharpMap.CoordinateSystems.IGeographicCoordinateSystem gcs = cFac.CreateGeographicCoordinateSystem( "Xian 1980", SharpMap.CoordinateSystems.AngularUnit.Degrees, datum, SharpMap.CoordinateSystems.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", nCenterLongitude)); parameters.Add(new ProjectionParameter("scale_factor", 1.0)); parameters.Add(new ProjectionParameter("false_easting", 500000)); parameters.Add(new ProjectionParameter("false_northing", 0.0)); //创建投影坐标系 SharpMap.CoordinateSystems.IProjection projection = cFac.CreateProjection("Transverse Mercator", "Transverse_Mercator", parameters); SharpMap.CoordinateSystems.IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem( "Xian_1980_3_Degree_GK_CM", gcs, projection, SharpMap.CoordinateSystems.LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North)); //创建坐标转换器 ICoordinateTransformation trans = new CoordinateTransformationFactory().CreateFromCoordinateSystems(gcs, coordsys); //工作区坐标到投影坐标系的转换 SharpMap.Geometries.Point ptOutput = trans.MathTransform.Transform(ptInput); iProjectedX = ptOutput.X; iProjectedY = ptOutput.Y; }
public static ICoordinateTransformation Transform2Mercator(ICoordinateSystem source) { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.CoordinateSystemFactory(); List <ProjectionParameter> parameters = new List <ProjectionParameter>(); parameters.Add(new ProjectionParameter("latitude_of_origin", 0)); parameters.Add(new ProjectionParameter("central_meridian", 0)); parameters.Add(new ProjectionParameter("false_easting", 0)); parameters.Add(new ProjectionParameter("false_northing", 0)); IProjection projection = cFac.CreateProjection("Mercator", "Mercator_2SP", parameters); IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("Mercator", source as IGeographicCoordinateSystem, projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North)); return(new CoordinateTransformationFactory().CreateFromCoordinateSystems(source, coordsys)); }
// spherical mercator for SharpMap public static ICoordinateTransformation TransformToMercator(ICoordinateSystem source) { var csFactory = new CoordinateSystemFactory(); var parameters = new List<ProjectionParameter> { new ProjectionParameter("latitude_of_origin", 0), new ProjectionParameter("central_meridian", 0), new ProjectionParameter("false_easting", 0), new ProjectionParameter("false_northing", 0), new ProjectionParameter("semi_major", EarthRadius), new ProjectionParameter("semi_minor", EarthRadius) }; var projection = csFactory.CreateProjection("Mercator", "Mercator_2SP", parameters); var coordSystem = csFactory.CreateProjectedCoordinateSystem( "Mercator", source as IGeographicCoordinateSystem, projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North)); return new CoordinateTransformationFactory().CreateFromCoordinateSystems(source, coordSystem); }
private void TestAlbers() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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); SharpMap.Geometries.Point pGeo = new SharpMap.Geometries.Point(-75,35); SharpMap.Geometries.Point pUtm = new Point(trans.MathTransform.Transform(pGeo.ToDoubleArray())); SharpMap.Geometries.Point pGeo2 = new Point(trans.MathTransform.Inverse().Transform(pUtm.ToDoubleArray())); result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Point(1885472.7,1535925), pGeo2, "Albers Conical Equal Area test"); }
public void TestTransverseMercator_Projection() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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)); System.Collections.Generic.List<ProjectionParameter> parameters = new System.Collections.Generic.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 TestLambertConicConformal2SP_Projection() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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)); System.Collections.Generic.List<ProjectionParameter> parameters = new System.Collections.Generic.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)); 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, 254759.80 }; Assert.IsTrue(ToleranceLessThan(pUtm, expected, 0.02), String.Format("LambertConicConformal2SP forward transformation outside tolerance, Expected {0}, got {1}", expected.ToString(), pUtm.ToString())); Assert.IsTrue(ToleranceLessThan(pGeo, pGeo2, 0.0000001), String.Format("LambertConicConformal2SP reverse transformation outside tolerance, Expected {0}, got {1}", pGeo.ToString(), pGeo2.ToString())); }
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 System.Collections.Generic.List<ProjectionParameter> parameters = new System.Collections.Generic.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 static IProjectedCoordinateSystem createExpectedCoordinateSystem() { ICoordinateSystemFactory factory = new CoordinateSystemFactory(); IEllipsoid grs80 = Ellipsoid.GRS80; IHorizontalDatum harn = factory.CreateHorizontalDatum("D_North_American_1983_HARN", DatumType.HD_Classic, grs80, null); IPrimeMeridian greenwich = PrimeMeridian.Greenwich; AxisInfo axis0 = new AxisInfo("Lon", AxisOrientationEnum.East); AxisInfo axis1 = new AxisInfo("Lat", AxisOrientationEnum.North); IGeographicCoordinateSystem gcs = factory.CreateGeographicCoordinateSystem("GCS_North_American_1983_HARN", AngularUnit.Degrees, harn, greenwich, axis0, axis1); IProjection prj = factory.CreateProjection( "Lambert_Conformal_Conic", "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) }); IProjectedCoordinateSystem expected = factory.CreateProjectedCoordinateSystem("NAD_1983_HARN_StatePlane_Oregon_North_FIPS_3601", gcs, prj, LinearUnit.Foot, axis0, axis1); // TODO: Check if this is correct, since on line 184 of CoorindateSystemFactory.cs, HorizontalDatum is passed in as null expected.HorizontalDatum = harn; return expected; }
public static ICoordinateTransformation Transform2Lambert(ICoordinateSystem source) { if (source == null) throw new ArgumentException("Source coordinate system is null"); if (!(source is IGeographicCoordinateSystem)) throw new ArgumentException("Source coordinate system must be geographic"); CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.CoordinateSystemFactory(); List<ProjectionParameter> parameters = new List<ProjectionParameter>(); parameters.Add(new ProjectionParameter("latitude_of_origin", 50)); parameters.Add(new ProjectionParameter("central_meridian", -95)); parameters.Add(new ProjectionParameter("standard_parallel_1", 33)); parameters.Add(new ProjectionParameter("standard_parallel_2", 45)); parameters.Add(new ProjectionParameter("false_easting", 0)); parameters.Add(new ProjectionParameter("false_northing", 0)); IProjection projection = cFac.CreateProjection("Lambert Conformal Conic 2SP", "lambert_conformal_conic_2sp", parameters); IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("Lambert Conformal Conic 2SP", source as IGeographicCoordinateSystem, projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North)); return new CoordinateTransformationFactory().CreateFromCoordinateSystems(source, coordsys); }
public void TestMercator_2SP_Projection() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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)); System.Collections.Generic.List<ProjectionParameter> parameters = new System.Collections.Generic.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 static ICoordinateTransformation Transform2Mercator(ICoordinateSystem source) { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.CoordinateSystemFactory(); List<ProjectionParameter> parameters = new List<ProjectionParameter>(); parameters.Add(new ProjectionParameter("latitude_of_origin", 0)); parameters.Add(new ProjectionParameter("central_meridian", 0)); parameters.Add(new ProjectionParameter("false_easting", 0)); parameters.Add(new ProjectionParameter("false_northing", 0)); IProjection projection = cFac.CreateProjection("Mercator", "Mercator_2SP", parameters); IProjectedCoordinateSystem coordsys = cFac.CreateProjectedCoordinateSystem("Mercator", source as IGeographicCoordinateSystem, projection, LinearUnit.Metre, new AxisInfo("East", AxisOrientationEnum.East), new AxisInfo("North", AxisOrientationEnum.North)); return new CoordinateTransformationFactory().CreateFromCoordinateSystems(source, coordsys); }
private void TestLambertConicConformal_2SP() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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); SharpMap.Geometries.Point pGeo = new SharpMap.Geometries.Point(-96, 28.5); SharpMap.Geometries.Point pUtm = new Point(trans.MathTransform.Transform(pGeo.ToDoubleArray())); SharpMap.Geometries.Point pGeo2 = new Point(trans.MathTransform.Inverse().Transform(pUtm.ToDoubleArray())); result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Point(2963503.91, 254759.80), pGeo2, "Lambert Conic Conformal 2SP test"); }
private void TestTransverseMercator() { CoordinateSystemFactory cFac = new SharpMap.CoordinateSystems.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); SharpMap.Geometries.Point pGeo = new SharpMap.Geometries.Point(0.5, 50.5); SharpMap.Geometries.Point pUtm = new Point(trans.MathTransform.Transform(pGeo.ToDoubleArray())); SharpMap.Geometries.Point pGeo2 = new Point(trans.MathTransform.Inverse().Transform(pUtm.ToDoubleArray())); result.Text += PrintResultTable(gcs, coordsys, pGeo, pUtm, new Point(577274.99, 69740.50), pGeo2, "Transverse Mercator test"); }