public void TestSTScaleFalseOrigin()
{
var expected = new double[][]
{
new[] { 1.00, 1.00 },
new[] { 3.00, 3.00 },
};
using (var db = new PostGisTestDataConnection(TestDatabaseConnectionString))
{
const string Wkt = "LINESTRING(1 1, 2 2)";
db.TestGeometries
.Value(g => g.Id, 1)
.Value(g => g.Geometry, () => GeometryInput.STGeomFromEWKT(Wkt))
.Insert();
var result = db.TestGeometries
.Where(g => g.Id == 1)
.Select(g => g.Geometry.STScale(GeometryInput.STGeomFromEWKT("POINT(2 2)"), GeometryInput.STGeomFromEWKT("POINT(1 1)")))
.Single() as NTSGS.LineString;
CheckLineEquals(expected, result, 1.0E-8);
var result2 = db
.Select(() => AffineTransformations.STScale(
Wkt,
GeometryInput.STGeomFromEWKT("POINT(2 2)"),
GeometryInput.STGeomFromEWKT("POINT(1 1)"))) as NTSGS.LineString;
CheckLineEquals(expected, result2, 1.0E-8);
}
}
public void TestSTScaleXYZM()
{
var expected = new double[][]
{
new[] { 0.5, 1.5, 6.0, -4.0 },
new[] { 0.5, 0.75, 2.0, -1.0 },
};
using (var db = new PostGisTestDataConnection(TestDatabaseConnectionString))
{
const string Wkt = "LINESTRING(1 2 3 4, 1 1 1 1)";
db.TestGeometries
.Value(g => g.Id, 1)
.Value(g => g.Geometry, () => GeometryInput.STGeomFromEWKT(Wkt))
.Insert();
var result = db.TestGeometries
.Where(g => g.Id == 1)
.Select(g => g.Geometry.STScale(GeometryConstructors.STMakePoint(0.5, 0.75, 2, -1)))
.Single() as NTSGS.LineString;
CheckLineEquals(expected, result, 1.0E-8);
var result2 = db
.Select(() => AffineTransformations.STScale(Wkt, GeometryConstructors.STMakePoint(0.5, 0.75, 2, -1))) as NTSGS.LineString;
CheckLineEquals(expected, result2, 1.0E-8);
}
}