public void PlanarLinearObjectsCoplanarityTest()
{
Plane3d p1 = new Plane3d(new Point3d(1, 1, 1), new Vector3d(1, 0, 0));
Line3d l1 = new Line3d(new Point3d(1, 1, 1), new Vector3d(0, 1, 1));
Segment3d s1 = new Segment3d(new Point3d(1, 2, 4), new Point3d(2, -2, 0));
Assert.IsTrue(p1.IsCoplanarTo(l1));
Assert.IsTrue(l1.IsCoplanarTo(p1));
Assert.IsFalse(p1.IsCoplanarTo(s1));
Assert.IsFalse(s1.IsCoplanarTo(p1));
}
public void LinearObjectsCoplanarityTest()
{
Line3d l1 = new Line3d(new Point3d(1, 1, 1), new Vector3d(0, 1, 1));
Line3d l2 = new Line3d(new Point3d(-1, 2, 1), new Vector3d(0, 1, 1));
Line3d l3 = new Line3d(new Point3d(1, 2, 3), new Vector3d(0, 2, 1));
Line3d l4 = new Line3d(new Point3d(1, 1, 1), new Vector3d(1, 2, 3));
// Self-coplanarity
Assert.IsTrue(l1.IsCoplanarTo(l1));
// Parallel lines
Assert.IsTrue(l1.IsCoplanarTo(l2));
// Intersecting lines
Assert.IsTrue(l1.IsCoplanarTo(l3));
// Intersecting lines
Assert.IsTrue(l1.IsCoplanarTo(l4));
// Not coplanar
Assert.IsFalse(l3.IsCoplanarTo(l4));
Segment3d s1 = new Segment3d(new Point3d(1, 2, 4), new Point3d(1, -2, 5));
Assert.IsTrue(s1.IsCoplanarTo(s1));
Assert.IsTrue(s1.IsCoplanarTo(l1));
Assert.IsFalse(s1.IsCoplanarTo(l4));
}
