//sort points clockwise direction
internal static List <Point2d> DoSortClockwise(List <Point2d> poly, List <Point2d> intersectedPoints, List <int> pIndex)
{
if (intersectedPoints == null || intersectedPoints.Count == 0)
{
return(null);
}
List <Point2d> cleanedPtList = new List <Point2d>();
if (intersectedPoints.Count > 2)
{
cleanedPtList = CleanDuplicatePoint2d(intersectedPoints);
}
else
{
cleanedPtList = intersectedPoints;
}
return(PolygonUtility.OrderPolygon2dPoints(poly, cleanedPtList, pIndex)); //intersectedPoints
}