// Initialize MultiLine and sets srid. public void SetSrid(int srid) { _lines = new LRSMultiLine(srid); _srid = srid; }
public void LRSMultiLineToSqlTest() { // empty LRS Point check var point1 = new LRSPoint("LINESTRING EMPTY".GetGeom()); var hashCode = point1.GetHashCode(); Assert.IsTrue(hashCode > 0); Assert.AreEqual(point1.ToString(), "POINT (0 0 )"); // LRS Point Equality check point1 = new LRSPoint("POINT(1 1 0 1)".GetGeom()); var point2 = new LRSPoint("POINT(1 1 0 1)".GetGeom()); Assert.IsTrue(point1 == point2); // range check Assert.IsTrue(point1.IsXYWithinTolerance(point2, 0.5)); point2 = new LRSPoint("POINT(2 2 0 2)".GetGeom()); var point3 = new LRSPoint("POINT(3 3 0 3)".GetGeom()); var point4 = new LRSPoint("POINT(4 4 0 4)".GetGeom()); var lrsPoints = new List <LRSPoint> { point1, point2, point3 }; // next and previous point Assert.AreEqual(LRSPoint.GetNextPoint(ref lrsPoints, point2), point3); Assert.AreEqual(LRSPoint.GetNextPoint(ref lrsPoints, point4), null); Assert.AreEqual(LRSPoint.GetPreviousPoint(ref lrsPoints, point2), point1); Assert.AreEqual(LRSPoint.GetPreviousPoint(ref lrsPoints, point4), null); // Multiline var lrs = new LRSMultiLine(4326); SqlGeometryBuilder geomBuilder = null; lrs.ToSqlGeometry(ref geomBuilder); lrs.BuildSqlGeometry(ref geomBuilder); geomBuilder = new SqlGeometryBuilder(); lrs.ToSqlGeometry(ref geomBuilder); lrs.BuildSqlGeometry(ref geomBuilder); var lrsLine = new LRSLine(4326); lrsLine.AddPoint(new LRSPoint(1, 1, 0, 1, 4326)); lrs.AddLine(lrsLine); geomBuilder = new SqlGeometryBuilder(); lrs.ToSqlGeometry(ref geomBuilder); var lrsLine1 = new LRSLine(4326); var wkt = lrs.ToString(); Assert.AreEqual("MULTILINESTRING EMPTY", wkt); Assert.AreEqual(lrs.GetPointAtM(10), null); var pt = new LRSPoint(1, 1, 0, 1, 4326); lrsLine1.AddPoint(pt); Assert.AreEqual(lrsLine1.ToString(), "POINT (1 1 1)"); pt = new LRSPoint(2, 2, 0, 2, 4326); lrsLine1.AddPoint(pt); lrs = new LRSMultiLine(4326); lrs.AddLine(lrsLine1); wkt = lrs.ToString(); Assert.AreEqual("LINESTRING (1 1 1, 2 2 2)", wkt); var lrsLine2 = new LRSLine(4326); pt = new LRSPoint(3, 3, 0, 3, 4326); Assert.AreEqual(pt.ToString(), "POINT (3 3 3)"); lrsLine2.AddPoint(pt); pt = new LRSPoint(4, 4, 0, 4, 4326); lrsLine2.AddPoint(pt); lrs = new LRSMultiLine(4326); lrs.AddLine(lrsLine1); lrs.AddLine(lrsLine2); geomBuilder = null; lrs.BuildSqlGeometry(ref geomBuilder); Assert.AreEqual(lrs.GetPointAtM(10), null); Assert.AreEqual(lrs.GetPointAtM(2), new LRSPoint(2, 2, 0, 2, 4326)); wkt = lrs.ToString(); lrs.RemoveFirst(); Assert.AreEqual(lrs.Count, 1); lrs.RemoveLast(); Assert.AreEqual(lrs.Count, 0); lrs.RemoveFirst(); lrs.RemoveLast(); Assert.AreEqual("MULTILINESTRING ((1 1 1, 2 2 2), (3 3 3, 4 4 4))", wkt); }
// Save the SRID for later public void SetSrid(int srid) { _segment1 = new LRSMultiLine(srid); _segment2 = new LRSMultiLine(srid); _srid = srid; }
/// <summary> /// Initializes a new instance of the <see cref="MultiLineMergeGeometrySink"/> class. /// </summary> public BuildLRSMultiLineSink() { MultiLine = new LRSMultiLine(); }