Example #1
0
        private static List <_2opt.NET.Point> GetRandomizedPoints(int count, int xlim, int ylim)
        {
            var points = new List <_2opt.NET.Point>();

            while (points.Count < count)
            {
                var point = new _2opt.NET.Point(rng.Next(xlim), rng.Next(ylim));

                if (!points.Contains(point))
                {
                    points.Add(point);
                }
            }

            return(points);
        }
Example #2
0
        private static List <_2opt.NET.Point> MutateIntersectingLines(List <_2opt.NET.Point> points, List <Tuple <Line, Line> > intersectingLines)
        {
            var pairIndex = rng.Next(intersectingLines.Count);

            Tuple <Line, Line> pair = intersectingLines[pairIndex];

            //Debug.WriteLine($"Intersecting pair: {pair.Item1} {pair.Item2}");

            Line line1;
            Line line2;

            if (rng.Next(1) == 1)
            {
                line1 = pair.Item1;
                line2 = pair.Item2;
            }
            else
            {
                line1 = pair.Item2;
                line2 = pair.Item1;
            }

            _2opt.NET.Point left  = line1.Points[0];
            _2opt.NET.Point right = line2.Points[1];

            for (int i = 0; i < points.Count; i++)
            {
                if (points[i] == left)
                {
                    points[i] = right;
                }
                else if (points[i] == right)
                {
                    points[i] = left;
                }
            }

            return(points);
        }