public static void Run()
{
//ExStart: DetermineIfGeometriesCrossEachOther
var geometry1 = new LineString();
geometry1.AddPoint(0, 0);
geometry1.AddPoint(2, 2);
var geometry2 = new LineString();
geometry2.AddPoint(1, 1);
geometry2.AddPoint(3, 3);
Console.WriteLine(geometry1.Crosses(geometry2)); // False
var geometry3 = new LineString();
geometry3.AddPoint(0, 2);
geometry3.AddPoint(2, 0);
Console.WriteLine(geometry1.Crosses(geometry3)); // True
//ExEnd: DetermineIfGeometriesCrossEachOther
}
public void TestLineLine1()
{
// test when the point being tested in a node on the line
Coordinate coordLine1 = new Coordinate(5.0, 5.0);
Coordinate coordLine2 = new Coordinate(10.0, 10.0);
Coordinate coordLine3 = new Coordinate(5.0, 10.0);
Coordinate coordLine4 = new Coordinate(10.0, 5.0);
Coordinates coordinates1 = new Coordinates();
coordinates1.Add(coordLine1);
coordinates1.Add(coordLine2);
Coordinates coordinates2 = new Coordinates();
coordinates2.Add(coordLine3);
coordinates2.Add(coordLine4);
LineString linestring1 = _factory.CreateLineString(coordinates1);
LineString linestring2 = _factory.CreateLineString(coordinates2);
Geometry pt = linestring1.Intersection(linestring2);
Assertion.AssertEquals("intersects", true, linestring1.Intersects(linestring2));
Assertion.AssertEquals("disjoint", false, linestring1.Disjoint(linestring2));
Assertion.AssertEquals("contains", false, linestring1.Contains(linestring2));
Assertion.AssertEquals("within", false, linestring1.Within(linestring2));
Assertion.AssertEquals("crosses", true, linestring1.Crosses(linestring2));
Assertion.AssertEquals("touches", false, linestring1.Touches(linestring2));
// always returns false when a point is involved
Assertion.AssertEquals("overlaps", false, linestring1.Overlaps(linestring2));
}
/// <summary>
///
/// </summary>
public void Start()
{
var pointInLine = Factory.CreatePoint(new Coordinate(20, 10));
var pointOutLine = Factory.CreatePoint(new Coordinate(20, 31));
var aLine = Factory.CreateLineString(new Coordinate[] { new Coordinate(23, 32.2), new Coordinate(922, 11) });
var anotherLine = Factory.CreateLineString(new Coordinate[] { new Coordinate(0, 1), new Coordinate(30, 30) });
try
{
Write(line.Area);
Write(line.Boundary);
Write(line.BoundaryDimension);
Write(line.Centroid);
Write(line.Coordinate);
Write(line.Coordinates);
Write(line.CoordinateSequence);
Write(line.Dimension);
Write(line.EndPoint);
Write(line.Envelope);
Write(line.EnvelopeInternal);
Write(line.InteriorPoint);
Write(line.IsClosed);
Write(line.IsEmpty);
Write(line.IsRing);
Write(line.IsSimple);
Write(line.IsValid);
Write(line.Length);
Write(line.NumPoints);
Write(line.StartPoint);
if (line.UserData != null)
{
Write(line.UserData);
}
else
{
Write("UserData null");
}
Write(line.Buffer(10));
Write(line.Buffer(10, new BufferParameters {
EndCapStyle = EndCapStyle.Flat
}));
Write(line.Buffer(10, new BufferParameters {
EndCapStyle = EndCapStyle.Square
}));
Write(line.Buffer(10, 20));
Write(line.Buffer(10, new BufferParameters(20)
{
EndCapStyle = EndCapStyle.Flat
}));
Write(line.Buffer(10, new BufferParameters(20)
{
EndCapStyle = EndCapStyle.Square
}));
Write(line.Contains(pointInLine));
Write(line.Contains(pointOutLine));
Write(line.Crosses(pointInLine));
Write(line.Crosses(pointOutLine));
Write(line.Difference(pointInLine));
Write(line.Difference(pointOutLine));
Write(line.Disjoint(pointInLine));
Write(line.Disjoint(pointOutLine));
Write(line.Distance(pointInLine));
Write(line.Distance(pointOutLine));
Write(line.EqualsTopologically(line.Copy() as LineString));
Write(line.EqualsExact(line.Copy() as LineString));
Write(line.ConvexHull());
Write(line.Intersection(pointInLine));
Write(line.Intersection(pointOutLine));
Write(line.Intersection(aLine));
Write(line.Intersects(pointInLine));
Write(line.Intersects(pointOutLine));
Write(line.Intersects(aLine));
Write(line.IsWithinDistance(pointOutLine, 2));
Write(line.IsWithinDistance(pointOutLine, 222));
Write(line.Overlaps(pointInLine));
Write(line.Overlaps(pointOutLine));
Write(line.Overlaps(aLine));
Write(line.Overlaps(anotherLine));
Write(line.Relate(pointInLine));
Write(line.Relate(pointOutLine));
Write(line.Relate(aLine));
Write(line.Relate(anotherLine));
Write(line.SymmetricDifference(pointInLine));
Write(line.SymmetricDifference(pointOutLine));
Write(line.SymmetricDifference(aLine));
Write(line.SymmetricDifference(anotherLine));
Write(line.ToString());
Write(line.AsText());
Write(line.Touches(pointInLine));
Write(line.Touches(pointOutLine));
Write(line.Touches(aLine));
Write(line.Touches(anotherLine));
Write(line.Union(pointInLine));
Write(line.Union(pointOutLine));
Write(line.Union(aLine));
Write(line.Union(anotherLine));
Write(line.Within(pointInLine));
Write(line.Within(pointOutLine));
Write(line.Within(aLine));
Write(line.Within(anotherLine));
string linestring = "LINESTRING (1.2 3.4, 5.6 7.8, 9.1 10.12)";
string anotherlinestringg = "LINESTRING (12345 3654321, 685 7777.945677, 782 111.1)";
var geom1 = Reader.Read(linestring);
Write(geom1.AsText());
var geom2 = Reader.Read(anotherlinestringg);
Write(geom2.AsText());
byte[] bytes = line.AsBinary();
var test1 = new WKBReader().Read(bytes);
Write(test1.ToString());
bytes = new GDBWriter().Write(line);
test1 = new GDBReader().Read(bytes);
Write(test1.ToString());
}
catch (Exception ex)
{
throw ex;
}
}