/// <summary>
/// Returns the contour points on a grid starting in a given contour point
/// </summary>
/// <param name="first"></param>
/// <param name="vgrid"></param>
/// <param name="hgrid"></param>
/// <returns></returns>
private IEnumerable <ContourPoint> GetPoints(ContourPoint first, IEnumerable <ContourPoint>[][] vgrid, IEnumerable <ContourPoint>[][] hgrid)
{
first.Parent = this;
yield return(first);
ContourPoint next, current = first;
while ((next = current.FindNext(vgrid, hgrid)) != null && next != first)
{
next.Parent = this;
yield return(next);
current = next;
}
}
public Contour(ContourPoint first, IEnumerable <ContourPoint>[][] vgrid, IEnumerable <ContourPoint>[][] hgrid, bool isClosed)
{
Value = first.Value;
IsClosed = isClosed;
Points = GetPoints(first, vgrid, hgrid).ToArray();
}
