/// <summary>
/// Returns the minimum coordinate, using the usual lexicographic comparison.
/// </summary>
/// <param name="seq">The coordinate sequence to search</param>
/// <returns>The minimum coordinate in the sequence, found using <see cref="Coordinate.CompareTo(Coordinate)"/></returns>
public static Coordinate MinCoordinate(CoordinateSequence seq)
{
Coordinate minCoord = null;
for (int i = 0; i < seq.Count; i++)
{
var testCoord = seq.GetCoordinate(i);
if (minCoord == null || minCoord.CompareTo(testCoord) > 0)
{
minCoord = testCoord;
}
}
return(minCoord);
}
/// <summary>
/// Returns the index of the minimum coordinate of a part of
/// the coordinate sequence (defined by <paramref name="from"/>
/// and <paramref name="to"/>), using the usual lexicographic
/// comparison.
/// </summary>
/// <param name="seq">The coordinate sequence to search</param>
/// <param name="from">The lower search index</param>
/// <param name="to">The upper search index</param>
/// <returns>The index of the minimum coordinate in the sequence, found using <see cref="Coordinate.CompareTo(Coordinate)"/></returns>
public static int MinCoordinateIndex(CoordinateSequence seq, int from, int to)
{
int minCoordIndex = -1;
Coordinate minCoord = null;
for (int i = from; i <= to; i++)
{
var testCoord = seq.GetCoordinate(i);
if (minCoord == null || minCoord.CompareTo(testCoord) > 0)
{
minCoord = testCoord;
minCoordIndex = i;
}
}
return(minCoordIndex);
}
/// <summary>
///
/// </summary>
/// <param name="n"></param>
/// <returns></returns>
public Coordinate GetCoordinateN(int n)
{
return(_points.GetCoordinate(n));
}
public override Coordinate GetCoordinate(int i) => _inner.GetCoordinate(Count - i - 1);
