public static void TestPointTypes()
{
com.esri.core.geometry.OperatorFactoryLocal engine = com.esri.core.geometry.OperatorFactoryLocal.GetInstance();
com.esri.core.geometry.OperatorDifference difference = (com.esri.core.geometry.OperatorDifference)engine.GetOperator(com.esri.core.geometry.Operator.Type.Difference);
com.esri.core.geometry.OperatorSymmetricDifference sym_difference = (com.esri.core.geometry.OperatorSymmetricDifference)engine.GetOperator(com.esri.core.geometry.Operator.Type.SymmetricDifference);
{
// point/point
com.esri.core.geometry.Point point_1 = new com.esri.core.geometry.Point();
com.esri.core.geometry.Point point_2 = new com.esri.core.geometry.Point();
point_1.SetXY(0, 0);
point_2.SetXY(0.000000009, 0.000000009);
com.esri.core.geometry.Point differenced = (com.esri.core.geometry.Point)(difference.Execute(point_1, point_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced.IsEmpty());
com.esri.core.geometry.MultiPoint sym_differenced = (com.esri.core.geometry.MultiPoint)(sym_difference.Execute(point_1, point_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(sym_differenced.IsEmpty());
}
{
// point/point
com.esri.core.geometry.Point point_1 = new com.esri.core.geometry.Point();
com.esri.core.geometry.Point point_2 = new com.esri.core.geometry.Point();
point_1.SetXY(0, 0);
point_2.SetXY(0.000000009, 0.0);
com.esri.core.geometry.Point differenced = (com.esri.core.geometry.Point)(difference.Execute(point_1, point_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced.IsEmpty());
com.esri.core.geometry.MultiPoint sym_differenced = (com.esri.core.geometry.MultiPoint)(sym_difference.Execute(point_1, point_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(sym_differenced.IsEmpty());
}
{
// point/point
com.esri.core.geometry.Point point_1 = new com.esri.core.geometry.Point();
com.esri.core.geometry.Point point_2 = new com.esri.core.geometry.Point();
point_1.SetXY(0, 0);
point_2.SetXY(0.00000002, 0.00000002);
com.esri.core.geometry.Point differenced_1 = (com.esri.core.geometry.Point)(difference.Execute(point_1, point_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
com.esri.core.geometry.Point differenced_2 = (com.esri.core.geometry.Point)(difference.Execute(point_2, point_1, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_2.IsEmpty());
com.esri.core.geometry.MultiPoint sym_differenced = (com.esri.core.geometry.MultiPoint)(sym_difference.Execute(point_1, point_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!sym_differenced.IsEmpty());
NUnit.Framework.Assert.IsTrue(sym_differenced.GetXY(0).x == 0 && sym_differenced.GetXY(0).y == 0);
NUnit.Framework.Assert.IsTrue(sym_differenced.GetXY(1).x == 0.00000002 && sym_differenced.GetXY(1).y == 0.00000002);
}
{
// multi_point/point
com.esri.core.geometry.MultiPoint multi_point_1 = new com.esri.core.geometry.MultiPoint();
com.esri.core.geometry.Point point_2 = new com.esri.core.geometry.Point();
multi_point_1.Add(0, 0);
multi_point_1.Add(1, 1);
point_2.SetXY(0.000000009, 0.000000009);
com.esri.core.geometry.MultiPoint differenced_1 = (com.esri.core.geometry.MultiPoint)(difference.Execute(multi_point_1, point_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1.GetPointCount() == 1);
NUnit.Framework.Assert.IsTrue(differenced_1.GetXY(0).x == 1 && differenced_1.GetXY(0).y == 1);
com.esri.core.geometry.Point differenced_2 = (com.esri.core.geometry.Point)(difference.Execute(point_2, multi_point_1, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_2.IsEmpty());
}
{
// multi_point/point
com.esri.core.geometry.MultiPoint multi_point_1 = new com.esri.core.geometry.MultiPoint();
com.esri.core.geometry.Point point_2 = new com.esri.core.geometry.Point();
multi_point_1.Add(0, 0);
multi_point_1.Add(1, 1);
point_2.SetXY(0.000000009, 0.0);
com.esri.core.geometry.MultiPoint differenced_1 = (com.esri.core.geometry.MultiPoint)(difference.Execute(multi_point_1, point_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1.GetXY(0).x == 1.0 && differenced_1.GetXY(0).y == 1.0);
com.esri.core.geometry.Point differenced_2 = (com.esri.core.geometry.Point)(difference.Execute(point_2, multi_point_1, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_2.IsEmpty());
com.esri.core.geometry.MultiPoint sym_differenced = (com.esri.core.geometry.MultiPoint)(sym_difference.Execute(multi_point_1, point_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!sym_differenced.IsEmpty());
NUnit.Framework.Assert.IsTrue(sym_differenced.GetPointCount() == 1);
NUnit.Framework.Assert.IsTrue(sym_differenced.GetXY(0).x == 1 && sym_differenced.GetXY(0).y == 1);
}
{
// multi_point/point
com.esri.core.geometry.MultiPoint multi_point_1 = new com.esri.core.geometry.MultiPoint();
com.esri.core.geometry.Point point_2 = new com.esri.core.geometry.Point();
multi_point_1.Add(0, 0);
multi_point_1.Add(0, 0);
point_2.SetXY(0.000000009, 0.0);
com.esri.core.geometry.MultiPoint differenced_1 = (com.esri.core.geometry.MultiPoint)(difference.Execute(multi_point_1, point_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
com.esri.core.geometry.MultiPoint sym_differenced = (com.esri.core.geometry.MultiPoint)(sym_difference.Execute(multi_point_1, point_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(sym_differenced.IsEmpty());
}
{
// multi_point/polygon
com.esri.core.geometry.MultiPoint multi_point_1 = new com.esri.core.geometry.MultiPoint();
com.esri.core.geometry.Polygon polygon_2 = new com.esri.core.geometry.Polygon();
multi_point_1.Add(0, 0);
multi_point_1.Add(0, 0);
multi_point_1.Add(2, 2);
polygon_2.StartPath(-1, -1);
polygon_2.LineTo(-1, 1);
polygon_2.LineTo(1, 1);
polygon_2.LineTo(1, -1);
com.esri.core.geometry.MultiPoint differenced_1 = (com.esri.core.geometry.MultiPoint)(difference.Execute(multi_point_1, polygon_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1.GetPointCount() == 1);
NUnit.Framework.Assert.IsTrue(differenced_1.GetXY(0).x == 2 && differenced_1.GetXY(0).y == 2);
}
{
// multi_point/polygon
com.esri.core.geometry.MultiPoint multi_point_1 = new com.esri.core.geometry.MultiPoint();
com.esri.core.geometry.Polygon polygon_2 = new com.esri.core.geometry.Polygon();
multi_point_1.Add(0, 0);
multi_point_1.Add(0, 0);
multi_point_1.Add(1, 1);
polygon_2.StartPath(-1, -1);
polygon_2.LineTo(-1, 1);
polygon_2.LineTo(1, 1);
polygon_2.LineTo(1, -1);
com.esri.core.geometry.MultiPoint differenced_1 = (com.esri.core.geometry.MultiPoint)(difference.Execute(multi_point_1, polygon_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
}
{
// multi_point/envelope
com.esri.core.geometry.MultiPoint multi_point_1 = new com.esri.core.geometry.MultiPoint();
com.esri.core.geometry.Envelope envelope_2 = new com.esri.core.geometry.Envelope();
multi_point_1.Add(-2, 0);
multi_point_1.Add(0, 2);
multi_point_1.Add(2, 0);
multi_point_1.Add(0, -2);
envelope_2.SetCoords(-1, -1, 1, 1);
com.esri.core.geometry.MultiPoint differenced_1 = (com.esri.core.geometry.MultiPoint)(difference.Execute(multi_point_1, envelope_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty() && differenced_1 == multi_point_1);
}
{
// multi_point/polygon
com.esri.core.geometry.MultiPoint multi_point_1 = new com.esri.core.geometry.MultiPoint();
com.esri.core.geometry.Polygon polygon_2 = new com.esri.core.geometry.Polygon();
multi_point_1.Add(2, 2);
multi_point_1.Add(2, 2);
multi_point_1.Add(-2, -2);
polygon_2.StartPath(-1, -1);
polygon_2.LineTo(-1, 1);
polygon_2.LineTo(1, 1);
polygon_2.LineTo(1, -1);
com.esri.core.geometry.MultiPoint differenced_1 = (com.esri.core.geometry.MultiPoint)(difference.Execute(multi_point_1, polygon_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty() && differenced_1 == multi_point_1);
}
{
// point/polygon
com.esri.core.geometry.Point point_1 = new com.esri.core.geometry.Point();
com.esri.core.geometry.Polygon polygon_2 = new com.esri.core.geometry.Polygon();
point_1.SetXY(0, 0);
polygon_2.StartPath(-1, -1);
polygon_2.LineTo(-1, 1);
polygon_2.LineTo(1, 1);
polygon_2.LineTo(1, -1);
com.esri.core.geometry.Point differenced_1 = (com.esri.core.geometry.Point)(difference.Execute(point_1, polygon_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
polygon_2.SetEmpty();
polygon_2.StartPath(1, 1);
polygon_2.LineTo(1, 2);
polygon_2.LineTo(2, 2);
polygon_2.LineTo(2, 1);
differenced_1 = (com.esri.core.geometry.Point)(difference.Execute(point_1, polygon_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1 == point_1);
}
{
// point/polygon
com.esri.core.geometry.Point point_1 = new com.esri.core.geometry.Point();
com.esri.core.geometry.Polygon polygon_2 = new com.esri.core.geometry.Polygon();
point_1.SetXY(0, 0);
polygon_2.StartPath(1, 0);
polygon_2.LineTo(0, 1);
polygon_2.LineTo(1, 1);
com.esri.core.geometry.Point differenced_1 = (com.esri.core.geometry.Point)(difference.Execute(point_1, polygon_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1 == point_1);
point_1.SetEmpty();
point_1.SetXY(0.5, 0.5);
polygon_2.SetEmpty();
polygon_2.StartPath(1, 0);
polygon_2.LineTo(0, 1);
polygon_2.LineTo(1, 1);
differenced_1 = (com.esri.core.geometry.Point)(difference.Execute(point_1, polygon_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
}
{
// point/envelope
com.esri.core.geometry.Point point_1 = new com.esri.core.geometry.Point();
com.esri.core.geometry.Envelope envelope_2 = new com.esri.core.geometry.Envelope();
point_1.SetXY(0, 0);
envelope_2.SetCoords(-1, -1, 1, 1);
com.esri.core.geometry.Point differenced_1 = (com.esri.core.geometry.Point)(difference.Execute(point_1, envelope_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
envelope_2.SetEmpty();
envelope_2.SetCoords(1, 1, 2, 2);
differenced_1 = (com.esri.core.geometry.Point)(difference.Execute(point_1, envelope_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1 == point_1);
}
{
// point/polyline
com.esri.core.geometry.Point point_1 = new com.esri.core.geometry.Point();
com.esri.core.geometry.Polyline polyline_2 = new com.esri.core.geometry.Polyline();
point_1.SetXY(0, 0);
polyline_2.StartPath(-1, 0);
polyline_2.LineTo(1, 0);
com.esri.core.geometry.Point differenced_1 = (com.esri.core.geometry.Point)(difference.Execute(point_1, polyline_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
polyline_2.SetEmpty();
polyline_2.StartPath(1, 0);
polyline_2.LineTo(2, 0);
differenced_1 = (com.esri.core.geometry.Point)(difference.Execute(point_1, polyline_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1 == point_1);
polyline_2.SetEmpty();
polyline_2.StartPath(-1, -1);
polyline_2.LineTo(-1, 1);
polyline_2.LineTo(1, 1);
polyline_2.LineTo(1, -1);
differenced_1 = (com.esri.core.geometry.Point)(difference.Execute(point_1, polyline_2, com.esri.core.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1 == point_1);
}
}
public static void TestImportExportWktMultiPolygon()
{
com.esri.core.geometry.OperatorImportFromWkt importerWKT = (com.esri.core.geometry.OperatorImportFromWkt)com.esri.core.geometry.OperatorFactoryLocal.GetInstance().GetOperator(com.esri.core.geometry.Operator.Type.ImportFromWkt);
com.esri.core.geometry.OperatorExportToWkt exporterWKT = (com.esri.core.geometry.OperatorExportToWkt)com.esri.core.geometry.OperatorFactoryLocal.GetInstance().GetOperator(com.esri.core.geometry.Operator.Type.ExportToWkt);
com.esri.core.geometry.Polygon polygon;
string wktString;
com.esri.core.geometry.Envelope2D envelope = new com.esri.core.geometry.Envelope2D();
com.esri.core.geometry.WktParser wktParser = new com.esri.core.geometry.WktParser();
// Test Import from MultiPolygon
wktString = "Multipolygon M empty";
polygon = (com.esri.core.geometry.Polygon)importerWKT.Execute(0, com.esri.core.geometry.Geometry.Type.Polygon, wktString, null);
NUnit.Framework.Assert.IsTrue(polygon != null);
NUnit.Framework.Assert.IsTrue(polygon.IsEmpty());
NUnit.Framework.Assert.IsTrue(polygon.HasAttribute(com.esri.core.geometry.VertexDescription.Semantics.M));
polygon = (com.esri.core.geometry.Polygon)com.esri.core.geometry.GeometryEngine.GeometryFromWkt(wktString, 0, com.esri.core.geometry.Geometry.Type.Unknown);
NUnit.Framework.Assert.IsTrue(polygon != null);
NUnit.Framework.Assert.IsTrue(polygon.IsEmpty());
NUnit.Framework.Assert.IsTrue(polygon.HasAttribute(com.esri.core.geometry.VertexDescription.Semantics.M));
wktString = exporterWKT.Execute(0, polygon, null);
NUnit.Framework.Assert.IsTrue(wktString.Equals("MULTIPOLYGON M EMPTY"));
wktString = com.esri.core.geometry.GeometryEngine.GeometryToWkt(polygon, 0);
NUnit.Framework.Assert.IsTrue(wktString.Equals("MULTIPOLYGON M EMPTY"));
wktString = "Multipolygon Z (empty, (empty, (10 10 5, 20 10 5, 20 20 5, 10 20 5, 10 10 5), (12 12 3), empty, (10 10 1, 12 12 1)), empty, ((90 90 88, 60 90 7, 60 60 7), empty, (70 70 7, 80 80 7, 70 80 7, 70 70 7)), empty)";
polygon = (com.esri.core.geometry.Polygon)(importerWKT.Execute(0, com.esri.core.geometry.Geometry.Type.Polygon, wktString, null));
NUnit.Framework.Assert.IsTrue(polygon != null);
polygon.QueryEnvelope2D(envelope);
NUnit.Framework.Assert.IsTrue(envelope.xmin == 10 && envelope.xmax == 90 && envelope.ymin == 10 && envelope.ymax == 90);
NUnit.Framework.Assert.IsTrue(polygon.GetPointCount() == 14);
NUnit.Framework.Assert.IsTrue(polygon.GetPathCount() == 5);
// assertTrue(polygon.calculate_area_2D() > 0.0);
NUnit.Framework.Assert.IsTrue(polygon.HasAttribute(com.esri.core.geometry.VertexDescription.Semantics.Z));
double z = polygon.GetAttributeAsDbl(com.esri.core.geometry.VertexDescription.Semantics.Z, 0, 0);
NUnit.Framework.Assert.IsTrue(z == 5);
// Test Export to WKT MultiPolygon
wktString = exporterWKT.Execute(0, polygon, null);
NUnit.Framework.Assert.IsTrue(wktString.Equals("MULTIPOLYGON Z (((10 10 5, 20 10 5, 20 20 5, 10 20 5, 10 10 5), (12 12 3, 12 12 3, 12 12 3), (10 10 1, 12 12 1, 10 10 1)), ((90 90 88, 60 90 7, 60 60 7, 90 90 88), (70 70 7, 70 80 7, 80 80 7, 70 70 7)))"));
wktParser.ResetParser(wktString);
while (wktParser.NextToken() != com.esri.core.geometry.WktParser.WktToken.not_available)
{
}
// Test import Polygon
wktString = "POLYGON z (EMPTY, EMPTY, (10 10 5, 10 20 5, 20 20 5, 20 10 5), (12 12 3), EMPTY, (10 10 1, 12 12 1), EMPTY, (60 60 7, 60 90 7, 90 90 7, 60 60 7), EMPTY, (70 70 7, 70 80 7, 80 80 7), EMPTY)";
polygon = (com.esri.core.geometry.Polygon)(importerWKT.Execute(0, com.esri.core.geometry.Geometry.Type.Polygon, wktString, null));
NUnit.Framework.Assert.IsTrue(polygon != null);
NUnit.Framework.Assert.IsTrue(polygon.GetPointCount() == 14);
NUnit.Framework.Assert.IsTrue(polygon.GetPathCount() == 5);
NUnit.Framework.Assert.IsTrue(polygon.HasAttribute(com.esri.core.geometry.VertexDescription.Semantics.Z));
// Test Export to WKT Polygon
wktString = exporterWKT.Execute(com.esri.core.geometry.WktExportFlags.wktExportPolygon, polygon, null);
NUnit.Framework.Assert.IsTrue(wktString.Equals("POLYGON Z ((10 10 5, 20 10 5, 20 20 5, 10 20 5, 10 10 5), (12 12 3, 12 12 3, 12 12 3), (10 10 1, 12 12 1, 10 10 1), (60 60 7, 60 90 7, 90 90 7, 60 60 7), (70 70 7, 70 80 7, 80 80 7, 70 70 7))"));
wktParser.ResetParser(wktString);
while (wktParser.NextToken() != com.esri.core.geometry.WktParser.WktToken.not_available)
{
}
com.esri.core.geometry.Envelope env = new com.esri.core.geometry.Envelope();
env.AddAttribute(com.esri.core.geometry.VertexDescription.Semantics.Z);
polygon.QueryEnvelope(env);
wktString = exporterWKT.Execute(0, env, null);
NUnit.Framework.Assert.IsTrue(wktString.Equals("POLYGON Z ((10 10 1, 90 10 7, 90 90 1, 10 90 7, 10 10 1))"));
wktParser.ResetParser(wktString);
while (wktParser.NextToken() != com.esri.core.geometry.WktParser.WktToken.not_available)
{
}
wktString = exporterWKT.Execute(com.esri.core.geometry.WktExportFlags.wktExportMultiPolygon, env, null);
NUnit.Framework.Assert.IsTrue(wktString.Equals("MULTIPOLYGON Z (((10 10 1, 90 10 7, 90 90 1, 10 90 7, 10 10 1)))"));
wktParser.ResetParser(wktString);
while (wktParser.NextToken() != com.esri.core.geometry.WktParser.WktToken.not_available)
{
}
env.SetEmpty();
wktString = exporterWKT.Execute(0, env, null);
NUnit.Framework.Assert.IsTrue(wktString.Equals("POLYGON Z EMPTY"));
wktParser.ResetParser(wktString);
while (wktParser.NextToken() != com.esri.core.geometry.WktParser.WktToken.not_available)
{
}
wktString = exporterWKT.Execute(com.esri.core.geometry.WktExportFlags.wktExportMultiPolygon, env, null);
NUnit.Framework.Assert.IsTrue(wktString.Equals("MULTIPOLYGON Z EMPTY"));
wktParser.ResetParser(wktString);
while (wktParser.NextToken() != com.esri.core.geometry.WktParser.WktToken.not_available)
{
}
wktString = "MULTIPOLYGON (((5 10, 8 10, 10 10, 10 0, 0 0, 0 10, 2 10, 5 10)))";
// ring
// is
// oriented
// clockwise
polygon = (com.esri.core.geometry.Polygon)(importerWKT.Execute(0, com.esri.core.geometry.Geometry.Type.Polygon, wktString, null));
NUnit.Framework.Assert.IsTrue(polygon != null);
NUnit.Framework.Assert.IsTrue(polygon.CalculateArea2D() > 0);
wktString = "MULTIPOLYGON Z (((90 10 7, 10 10 1, 10 90 7, 90 90 1, 90 10 7)))";
// ring
// is
// oriented
// clockwise
polygon = (com.esri.core.geometry.Polygon)(importerWKT.Execute(0, com.esri.core.geometry.Geometry.Type.Polygon, wktString, null));
NUnit.Framework.Assert.IsTrue(polygon != null);
NUnit.Framework.Assert.IsTrue(polygon.GetPointCount() == 4);
NUnit.Framework.Assert.IsTrue(polygon.GetPathCount() == 1);
NUnit.Framework.Assert.IsTrue(polygon.HasAttribute(com.esri.core.geometry.VertexDescription.Semantics.Z));
NUnit.Framework.Assert.IsTrue(polygon.CalculateArea2D() > 0);
wktString = exporterWKT.Execute(com.esri.core.geometry.WktExportFlags.wktExportMultiPolygon, polygon, null);
NUnit.Framework.Assert.IsTrue(wktString.Equals("MULTIPOLYGON Z (((90 10 7, 90 90 1, 10 90 7, 10 10 1, 90 10 7)))"));
}
