public void RemoveSelfIntersectionsTest()
{
var geometry = (ILucidLine)GeometryHelper.Create(File.ReadAllText("../../Data/selfIntersectingGeometry.json"));
var fixedGeometry = LucidLine.Create(GeometryHelper.RemoveSelfIntersections(geometry));
Assert.IsTrue(GeometryHelper.IsValid(fixedGeometry));
Assert.IsFalse(GeometryHelper.SelfIntersects(fixedGeometry));
geometry = (ILucidLine)GeometryHelper.Create(File.ReadAllText("../../Data/selfIntersectingGeometry2.json"));
fixedGeometry = LucidLine.Create(GeometryHelper.RemoveSelfIntersections(geometry));
Assert.IsTrue(GeometryHelper.IsValid(fixedGeometry));
Assert.IsFalse(GeometryHelper.SelfIntersects(fixedGeometry));
}
public void LengthTest()
{
var length = GeometryHelper.Length(LucidLine.Create(new IPoint[] {
LucidPoint.Create(0, 0),
LucidPoint.Create(1, 0),
LucidPoint.Create(1, 2),
}));
Assert.AreEqual(3, length);
length = GeometryHelper.Length(LucidLine.Create(new IPoint[] {
LucidPoint.Create(0, 0),
LucidPoint.Create(0, 5)
}));
Assert.AreEqual(5, length);
}
public void IntersectionLineTest()
{
var first = LucidLine.Create(new IPoint[] {
new LucidPoint(0, 0), new LucidPoint(5, 5)
});
var second = LucidLine.Create(new IPoint[] {
new LucidPoint(-1, 4), new LucidPoint(5, 0)
});
var intersection = GeometryHelper.LineIntersections(first, second).First();
Assert.AreEqual(2, intersection.X);
Assert.AreEqual(2, intersection.Y);
second.Translate(-5, -5);
var intersections = GeometryHelper.LineIntersections(first, second);
Assert.AreEqual(0, intersections.Count());
}
public void SplitTest()
{
var first = LucidLine.Create(new IPoint[] {
new LucidPoint(0, 0), new LucidPoint(5, 5), new LucidPoint(10, 9)
});
var second = LucidLine.Create(new IPoint[] {
new LucidPoint(-1, 4), new LucidPoint(5, 0)
});
var parts = GeometryHelper.Split(first, second);
Assert.AreEqual(2, parts.Count());
Assert.AreEqual(2, parts.First().Vertices.Count());
Assert.AreEqual(3, parts.ElementAt(1).Vertices.Count());
second.Translate(-10, -10);
parts = GeometryHelper.Split(first, second);
Assert.AreEqual(1, parts.Count());
Assert.AreEqual(3, parts.First().Vertices.Count());
}
public void NearestVertexTest()
{
var line = new LucidLine();
line.AddVertex(new LucidVertex()
{
X = 1,
Y = 1
});
line.AddVertex(new LucidVertex()
{
X = 10,
Y = 10
});
var result = GeometryHelper.NearestVertex(line.Vertices, new LucidPoint()
{
X = 0, Y = 0
});
Assert.AreEqual(1, result.Point.X);
Assert.AreEqual(1, result.Point.Y);
}