/// <summary>
/// Initializes a new instance of the <see cref="HilbertRTree"/> class using
/// the specified <see cref="ISpaceFillingCurveEncoder"/> as a space filling curve implementation
/// and the specifield limits to children count.
/// </summary>
/// <param name="maxChildren">The maximum number of children. Shall be a positive integer which can be divided by 3.</param>
/// <param name="encoder">The space filling curve implementation used to encode coordinate values to one dimensional integers</param>
public HilbertRTree(Int32 maxChildren, ISpaceFillingCurveEncoder encoder)
: base(maxChildren * 2 / 3, maxChildren)
{
this.encoder = encoder ?? throw new ArgumentNullException(nameof(encoder) + " cannot be null");
}
/// <summary>
/// Initializes a new instance of the <see cref="HilbertRTree"/> class using
/// the specified <see cref="ISpaceFillingCurveEncoder"/> as a space filling curve implementation.
/// </summary>
/// <param name="encoder">the space filling curve implementation used to encode coordinate values to one dimensional integers</param>
public HilbertRTree(ISpaceFillingCurveEncoder encoder)
: this(DefaultMaxChildren, encoder)
{
}
