public void TestST3DShortestLine()
{
using (var db = new PostGisTestDataConnection(TestDatabaseConnectionString))
{
const string PointWkt = "POINT(100 100 30)";
const string LineWkt = "LINESTRING (20 80 20, 98 190 1, 110 180 3, 50 75 1000)";
var point = db.Select(() => GeometryInput.STPointFromText(PointWkt));
var line = db.Select(() => GeometryInput.STLineFromText(LineWkt));
var sline1 = db.Select(() => MeasurementFunctions.ST3DShortestLine(line, point)) as NTSGS.LineString;
Assert.AreEqual(54.6993798867619, sline1.Coordinates[0].X, 1.0E-6);
Assert.AreEqual(128.935022917228, sline1.Coordinates[0].Y, 1.0E-6);
Assert.AreEqual(11.5475869506606, sline1.Coordinates[0].Z, 1.0E-9);
Assert.AreEqual(100, sline1.Coordinates[1].X, 1.0E-6);
Assert.AreEqual(100, sline1.Coordinates[1].Y, 1.0E-6);
Assert.AreEqual(30, sline1.Coordinates[1].Z, 1.0E-9);
var sline2 = db.Select(() => MeasurementFunctions.ST3DShortestLine(LineWkt, PointWkt)) as NTSGS.LineString;
Assert.AreEqual(54.6993798867619, sline2.Coordinates[0].X, 1.0E-6);
Assert.AreEqual(128.935022917228, sline2.Coordinates[0].Y, 1.0E-6);
Assert.AreEqual(11.5475869506606, sline2.Coordinates[0].Z, 1.0E-9);
Assert.AreEqual(100, sline2.Coordinates[1].X, 1.0E-6);
Assert.AreEqual(100, sline2.Coordinates[1].Y, 1.0E-6);
Assert.AreEqual(30, sline2.Coordinates[1].Z, 1.0E-9);
Assert.IsNull(db.Select(() => MeasurementFunctions.ST3DShortestLine((NTSG)null, null)));
}
}
public void TestST3DShortestLine()
{
using (var db = new PostGisTestDataConnection(TestDatabaseConnectionString))
{
var pt = db.Select(() => GeometryInput.STPointFromText("POINT(100 100 30)"));
var line = db.Select(() => GeometryInput.STLineFromText("LINESTRING (20 80 20, 98 190 1, 110 180 3, 50 75 1000)"));
var sline1 = db.Select(() => MeasurementFunctions.ST3DShortestLine(line, pt).STAsEWKT());
Assert.AreEqual("LINESTRING(54.6993798867619 128.935022917228 11.5475869506606,100 100 30)", sline1);
Assert.IsNull(db.Select(() => MeasurementFunctions.ST3DShortestLine(null, null)));
}
}
