public void T04_InsertInDataSource()
{
PostGisProvider <Int64> prov = new PostGisProvider <Int64>(
_geometryFactory, connectionString, "TestFeatureDataTable");
GeometryLayer gl = new GeometryLayer("test", prov);
gl.Select(new AllAttributesExpression());
gl.Features.AcceptChanges();
FeatureDataRow fdr = gl.Features.NewRow();
fdr[0] = 999;
fdr.Geometry = gl.GeometryFactory.WktReader.Read("POINT (-2 13)");
fdr[1] = fdrLabel(fdr);
gl.Features.AddRow(fdr);
prov.Insert(gl.Features.GetChanges());
//gl.SelectedFilter = new FeatureQueryExpression(
// new AttributeBinaryExpression(
// new PropertyNameExpression("OID"),
// BinaryOperator.Equals,
// (Int64)999));
//Assert.AreEqual(5, gl.SelectedFeatures.TotalItemCount);
fdr = gl.Features.Find(999);
Assert.IsNotNull(fdr);
}
public void T03_SomeSelects()
{
PostGisProvider <Int64> prov = new PostGisProvider <Int64>(
_geometryFactory, connectionString, "TestFeatureDataTable");
GeometryLayer gl = new GeometryLayer("test", prov);
gl.Select(new AllAttributesExpression());
gl.Features.AcceptChanges();
Assert.AreEqual(4, gl.Features.FeatureCount);
Assert.AreEqual(_geometryFactory.CreateExtents2D(0, -3, 15, 20), gl.Features.Extents);
gl = new GeometryLayer(prov);
gl.Select(
new SpatialBinaryExpression(
new ExtentsExpression(prov.GeometryFactory.CreateExtents2D(-1, -1, 1, 1)),
SpatialOperation.Contains,
new ThisExpression())
);
Assert.AreEqual(1, gl.Features.Rows.Count);
gl = new GeometryLayer(prov);
gl.Select(
new SpatialBinaryExpression(
new GeometryExpression(prov.GeometryFactory.WktReader.Read(("POLYGON((-1 -1, 0 1, 1 -1, -1 -1))"))),
SpatialOperation.Contains,
new ThisExpression())
);
//SELECT testfeaturedatatable.poid,testfeaturedatatable.label,ST_AsBinary(xgeometryx)::bytea AS xgeometryx FROM public.testfeaturedatatable WHERE ( ST_Contains( ST_GeomFromWKB(:iparam0, -1), xgeometryx ))
//SELECT testfeaturedatatable.poid,testfeaturedatatable.label,ST_AsBinary(xgeometryx)::bytea AS xgeometryx FROM public.testfeaturedatatable WHERE ( ST_Contains( ST_GeomFromText('POLYGON((-1 -1, 0 1, 1 -1, -1 -1))', -1), xgeometryx ))
Assert.AreEqual(1, gl.Features.Rows.Count);
gl = new GeometryLayer(prov);
gl.Select(
new SpatialBinaryExpression(
new GeometryExpression(
prov.GeometryFactory.WktReader.Read(("POLYGON((-1 -1, -1 1, 0 1, 0 -1, -1 -1))"))),
SpatialOperation.Touches,
new ThisExpression())
);
Assert.AreEqual(1, gl.Features.Rows.Count);
//gl = new GeometryLayer(prov);
//gl.Select(
// new SpatialBinaryExpression(
// new ThisExpression(),
// SpatialOperation.Within,
// new GeometryExpression(prov.GeometryFactory.WktReader.Read("POLYGON((-1 -1, 0 1, 1 -1, -1 -1))")))
// );
//Assert.AreEqual(0, gl.Features.Rows.TotalItemCount);
}
public void T03_MultipleSelects()
{
SpatiaLite2Provider prov = new SpatiaLite2Provider(
_geometryFactory, @"Data Source=test.sqlite", "TestFeatureDataTable");
GeometryLayer gl = new GeometryLayer("test", prov);
gl.Select(new AllAttributesExpression());
gl.Features.AcceptChanges();
Assert.AreEqual(4, gl.Features.FeatureCount);
Assert.AreEqual(_geometryFactory.CreateExtents2D(0, -3, 15, 20), gl.Features.Extents);
gl = new GeometryLayer(prov);
gl.Select(
new SpatialBinaryExpression(
new ExtentsExpression(prov.GeometryFactory.CreateExtents2D(-1, -1, 1, 1)),
SpatialOperation.Contains,
new ThisExpression())
);
Assert.AreEqual(1, gl.Features.Rows.Count);
gl = new GeometryLayer(prov);
gl.Select(
new SpatialBinaryExpression(
new GeometryExpression(prov.GeometryFactory.WktReader.Read(("POLYGON((-1 -1, 0 1, 1 1, -1 -1))"))),
SpatialOperation.Contains,
new ThisExpression())
);
Assert.AreEqual(1, gl.Features.Rows.Count);
gl = new GeometryLayer(prov);
gl.Select(
new SpatialBinaryExpression(
new GeometryExpression(prov.GeometryFactory.WktReader.Read(("POLYGON((-1 -1, -1 1, 0 1, 0 -1, -1 -1))"))),
SpatialOperation.Touches,
new ThisExpression())
);
Assert.AreEqual(1, gl.Features.Rows.Count, 1);
gl = new GeometryLayer(prov);
gl.Select(
new SpatialBinaryExpression(
new ThisExpression(),
SpatialOperation.Within,
new GeometryExpression(prov.GeometryFactory.WktReader.Read(("POLYGON((-1 -1, 0 1, 1 1, -1 -1))"))))
);
Assert.AreEqual(0, gl.Features.Rows.Count);
}
public void T99_GeometryFromBinary()
{
PostGisProvider <Int64> prov = new PostGisProvider <Int64>(
_geometryFactory, connectionString, "TestFeatureDataTable");
GeometryLayer gl = new GeometryLayer("test", prov);
gl.Select(new AllAttributesExpression());
using (NpgsqlConnection cn = new NpgsqlConnection(connectionString))
{
cn.Open();
NpgsqlCommand cm = new NpgsqlCommand(
"SELECT ST_SRID( ST_GeomFromWKB(:p0::bytea, -1) )", cn);
NpgsqlParameter par = new NpgsqlParameter(":p0", DbType.Binary);
par.Value = prov.GeometryFactory.WktReader.Read("POLYGON((-1 -1, 0 1, 1 -1, -1 -1))").AsBinary();
cm.Parameters.Add(par);
Debug.Write(cm.ExecuteScalar());
}
}
public void T05_DeleteFromDataSource()
{
PostGisProvider <Int64> prov = new PostGisProvider <Int64>(
_geometryFactory, connectionString, "TestFeatureDataTable");
GeometryLayer gl = new GeometryLayer(prov);
gl.Select(new SpatialBinaryExpression(
new ExtentsExpression(prov.GetExtents()), SpatialOperation.Contains, new ThisExpression()));
gl.Features.AcceptChanges();
//gl.Features.RemoveRow(gl.Features[4]);
FeatureDataRow fdr = gl.Features.Find(999);
fdr.Delete();
//prov.Delete(gl.Features.GetChanges(DataRowState.Deleted));
gl.Features.AcceptChanges();
gl = new GeometryLayer(prov);
gl.Select(new SpatialBinaryExpression(
new ExtentsExpression(prov.GetExtents()), SpatialOperation.Contains, new ThisExpression()));
gl.Features.AcceptChanges();
//Assert.AreEqual(4, gl.Features.Rows.TotalItemCount);
}
public void T05_DeleteFromDataSource()
{
SpatiaLite2Provider prov = new SpatiaLite2Provider(
_geometryFactory, @"Data Source=test.sqlite", "TestFeatureDataTable");
GeometryLayer gl = new GeometryLayer(prov);
gl.Select(new SpatialBinaryExpression(
new ExtentsExpression(prov.GetExtents()), SpatialOperation.Contains, new ThisExpression()));
gl.Features.AcceptChanges();
//gl.Features.RemoveRow(gl.Features[4]);
FeatureDataRow fdr = gl.Features.Find(999);
fdr.Delete();
//prov.Delete(gl.Features.GetChanges(DataRowState.Deleted));
gl.Features.AcceptChanges();
gl = new GeometryLayer(prov);
gl.Select(new SpatialBinaryExpression(
new ExtentsExpression(prov.GetExtents()), SpatialOperation.Contains, new ThisExpression()));
gl.Features.AcceptChanges();
//Assert.AreEqual(4, gl.Features.Rows.Count);
}
