/// <summary>
/// Returns the minimum coordinate, using the usual lexicographic comparison.
/// </summary>
/// <param name="coordinates">Array to search.</param>
/// <returns>The minimum coordinate in the array, found using <c>CompareTo</c>.</returns>
/// <seeaalso cref="Coordinate.CompareTo"/>
public static Coordinate MinCoordinate(Coordinate[] coordinates)
{
Coordinate minCoord = null;
for (int i = 0; i < coordinates.Length; i++)
{
if (minCoord == null || minCoord.CompareTo(coordinates[i]) > 0)
{
minCoord = coordinates[i];
}
}
return(minCoord);
}
/// <summary>
/// Determines whether two <see cref="Coordinate" /> arrays of equal length
/// are equal in opposite directions.
/// </summary>
/// <param name="pts1"></param>
/// <param name="pts2"></param>
/// <returns></returns>
private static bool IsEqualReversed(Coordinate[] pts1, Coordinate[] pts2)
{
for (int i = 0; i < pts1.Length; i++)
{
Coordinate p1 = pts1[i];
Coordinate p2 = pts2[pts1.Length - i - 1];
if (p1.CompareTo(p2) != 0)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Returns whether this <c>Geometry</c> is greater than, equal to,
/// or less than another <c>Geometry</c> having the same class.
/// </summary>
/// <param name="other">A <c>Geometry</c> having the same class as this <c>Geometry</c>.</param>
/// <returns>
/// A positive number, 0, or a negative number, depending on whether
/// this object is greater than, equal to, or less than <c>o</c>, as
/// defined in "Normal Form For Geometry" in the NTS Technical
/// Specifications.
/// </returns>
public override int CompareToSameClass(object other)
{
Point point = (Point)other;
return(Coordinate.CompareTo(point.Coordinate));
}