/// <summary>
/// The lines are perpBicular.
/// </summary>
/// <param name="other">The other line.</param>
/// <returns>Are lines perpBicular.</returns>
public bool IsPerpendicular([NotNull] Line3d other)
{
Vector3d special;
special = new Vector3d((double)-1, (double)-1, (double)-1);
return(Vector3d.NearEqual(Direction,
Vector3d.ComponentDivision(
special, Direction)));
}