public void TestSTGeomFromGeoHash()
{
using (var db = new PostGisTestDataConnection(TestDatabaseConnectionString))
{
const string geoHash = "9qqj7nmxncgyy4d0dbxqz0";
var wkt1 = db.Select(() => GeometryInput.STGeomFromGeoHash(geoHash).STAsText());
Assert.AreEqual("POLYGON((-115.172816 36.114646,-115.172816 36.114646,-115.172816 36.114646,-115.172816 36.114646,-115.172816 36.114646))", wkt1);
var wkt2 = db.Select(() => GeometryInput.STGeomFromGeoHash(geoHash, 4).STAsText());
Assert.AreEqual("POLYGON((-115.3125 36.03515625,-115.3125 36.2109375,-114.9609375 36.2109375,-114.9609375 36.03515625,-115.3125 36.03515625))", wkt2);
var wkt3 = db.Select(() => GeometryInput.STGeomFromGeoHash(geoHash, 10).STAsText());
Assert.AreEqual("POLYGON((-115.17282128334 36.1146408319473,-115.17282128334 36.1146461963654,-115.172810554504 36.1146461963654,-115.172810554504 36.1146408319473,-115.17282128334 36.1146408319473))", wkt3);
Assert.IsNull(db.Select(() => GeometryInput.STGeomFromGeoHash(null)));
}
}
public void TestSTGeomFromGeoHash()
{
using (var db = new PostGisTestDataConnection(TestDatabaseConnectionString))
{
const string GeoHash = "9qqj7nmxncgyy4d0dbxqz0";
{
var result1 = db.Select(() => GeometryInput.STGeomFromGeoHash(GeoHash)) as NTSGS.Polygon;
var expected1 = new double[][]
{
new[] { -115.172816, 36.114646 },
new[] { -115.172816, 36.114646 },
new[] { -115.172816, 36.114646 },
new[] { -115.172816, 36.114646 },
new[] { -115.172816, 36.114646 },
};
Assert.AreEqual(expected1.Length, result1.Coordinates.Length);
for (var i = 0; i < expected1.Length; i++)
{
Assert.AreEqual(expected1[i][0], result1.Coordinates[i].X, 1.0E-6);
Assert.AreEqual(expected1[i][1], result1.Coordinates[i].Y, 1.0E-6);
}
}
{
var result2 = db.Select(() => GeometryInput.STGeomFromGeoHash(GeoHash, 4)) as NTSGS.Polygon;
var expected2 = new double[][]
{
new[] { -115.3125, 36.03515625 },
new[] { -115.3125, 36.2109375 },
new[] { -114.9609375, 36.2109375 },
new[] { -114.9609375, 36.03515625 },
new[] { -115.3125, 36.03515625 },
};
Assert.AreEqual(expected2.Length, result2.Coordinates.Length);
for (var i = 0; i < expected2.Length; i++)
{
Assert.AreEqual(expected2[i][0], result2.Coordinates[i].X, 1.0E-6);
Assert.AreEqual(expected2[i][1], result2.Coordinates[i].Y, 1.0E-6);
}
}
{
var result3 = db.Select(() => GeometryInput.STGeomFromGeoHash(GeoHash, 10)) as NTSGS.Polygon;
var expected3 = new double[][]
{
new[] { -115.17282128334, 36.1146408319473 },
new[] { -115.17282128334, 36.1146461963654 },
new[] { -115.172810554504, 36.1146461963654 },
new[] { -115.172810554504, 36.1146408319473 },
new[] { -115.17282128334, 36.1146408319473 },
};
Assert.AreEqual(expected3.Length, result3.Coordinates.Length);
for (var i = 0; i < expected3.Length; i++)
{
Assert.AreEqual(expected3[i][0], result3.Coordinates[i].X, 1.0E-6);
Assert.AreEqual(expected3[i][1], result3.Coordinates[i].Y, 1.0E-6);
}
}
Assert.IsNull(db.Select(() => GeometryInput.STGeomFromGeoHash(null)));
}
}
