public void Intersects_LineLine_ReturnsaTrueForIntersectingLines()
{
ICoordinateList line1 = new CoordinateList(new Coordinate[] { new Coordinate(1.0, 1.0), new Coordinate(2.0, 1.0), new Coordinate(2.0, 2.0) });
ICoordinateList line2 = new CoordinateList(new Coordinate[] { new Coordinate(1.0, 0.0), new Coordinate(1.5, 2.0), new Coordinate(2.0, -1.0) });
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.True(target.Intersects(line1, line2));
}
public void Intersects_ReturnsFalseForLineAndLineSegmentThatIntersectsOutsideLineSegment2()
{
Coordinate A1 = new Coordinate(1.0, 1.0);
Coordinate B1 = new Coordinate(2.0, 1.0);
Coordinate A2 = new Coordinate(2.0, 0.0);
Coordinate B2 = new Coordinate(3.0, 0.5);
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.False(target.Intersects(A1, B1, LineMode.Line, A2, B2, LineMode.LineSegment));
}
public void IsOnLine_ReturnsTrueIfPointLiesOnABAndModeIsLine(Coordinate c, Coordinate a, Coordinate b)
{
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.True(target.IsOnLine(c, a, b, LineMode.Line));
}
public void IsOnLine_ReturnsTrueIfPointIsOnAorB()
{
Coordinate a = new Coordinate(-10, 0);
Coordinate b = new Coordinate(3, 2);
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.True(target.IsOnLine(a, a, b, LineMode.Line));
Assert.True(target.IsOnLine(b, a, b, LineMode.Line));
}
public void IsOnLine_ReturnsTrueIfPointLiesBetweenAAndB(Coordinate c, Coordinate a, Coordinate b, LineMode mode)
{
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.True(target.IsOnLine(c, a, b, mode));
}
public void IsInRing_ThrowsArgumentExceptionIfRingHasLessThen3Points()
{
Coordinate c = new Coordinate(0, 0);
CoordinateList ring = new CoordinateList(new Coordinate[] { new Coordinate(0, 1), new Coordinate(1, 0) });
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.Throws<ArgumentException>(() => target.IsInRing(c, ring));
}
public void IsOnLine_ReturnsFalseIfPointDoEsNotLieOnAB(Coordinate c, Coordinate a, Coordinate b, LineMode mode)
{
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.False(target.IsOnLine(c, a, b, mode));
}
public void IsInRing_ReturnsTrueIfPointIsInSimpleRing()
{
string wktRing = "linestring (-1 -1, 1 -1, 1 1, -1 1, -1 -1)";
LineString ring = WktReader.Parse<LineString>(wktRing);
Coordinate c = new Coordinate(0.5, 0.5);
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.True(target.IsInRing(c, ring.Coordinates));
}
public void IsInRing_ThrowsArgumentExceptionIfCoordinateListDoesNotRepresentRing()
{
Coordinate c = new Coordinate(0, 0);
CoordinateList ring = new CoordinateList(new Coordinate[] { new Coordinate(0, 1), new Coordinate(1, 0), new Coordinate(1, 2) });
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.Throws<ArgumentException>(() => target.IsInRing(c, ring));
}
public void IsInRing_ReturnsTrueIfPointIsInConcaveRing()
{
string wktRing = "linestring (0 0, 2 0, 1 1, 1 2, 0 0)";
LineString ring = WktReader.Parse<LineString>(wktRing);
Coordinate c = new Coordinate(1, 0.5);
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.True(target.IsInRing(c, ring.Coordinates));
}
public void IsInRing_ReturnsFalseIfPointIsOutsideRing()
{
string wktRing = "linestring (0 0, 2 0, 1 1, 1 2, 0 0)";
LineString ring = WktReader.Parse<LineString>(wktRing);
Coordinate c = new Coordinate(3, 0);
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.False(target.IsInRing(c, ring.Coordinates));
}
public void IsInRing_ReturnsFalseIfPointIsInRingAndCYCoordinateIsSameAsVertexYCoordinate()
{
string wktRing = "linestring (-1 -1, 1 -1, 1 0.5, 1 1, -1 1, -1 -1)";
LineString ring = WktReader.Parse<LineString>(wktRing);
Coordinate c = new Coordinate(-2, 0.5);
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.False(target.IsInRing(c, ring.Coordinates));
}
public void Intersects_ReturnsTrueForIntersectingLineSegments()
{
Coordinate A1 = new Coordinate(1.0, 1.0);
Coordinate B1 = new Coordinate(3.0, 1.0);
Coordinate A2 = new Coordinate(1.0, 0.0);
Coordinate B2 = new Coordinate(3.0, 2.0);
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.True(target.Intersects(A1, B1, LineMode.LineSegment, A2, B2, LineMode.LineSegment));
}
public void Intersects_ReturnsFalseForParallelLines()
{
Coordinate A1 = new Coordinate(1.0, 1.0);
Coordinate B1 = new Coordinate(2.0, 2.0);
Coordinate A2 = new Coordinate(2.0, 1.0);
Coordinate B2 = new Coordinate(3.0, 2.0);
Euclidean2DLocator target = new Euclidean2DLocator();
Assert.False(target.Intersects(A1, B1, LineMode.Line, A2, B2, LineMode.Line));
}