using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using HeuristicLab.MainForm; using HeuristicLab.Problems.VehicleRouting.ProblemInstances; using HeuristicLab.Data; namespace HeuristicLab.Problems.VehicleRouting.Views { [View("CVRPPDTWProblemInstance View")] [Content(typeof(CVRPPDTWProblemInstance), true)] public partial class CVRPPDTWView : VRPProblemInstanceView { public new CVRPPDTWProblemInstance Content { get { return (CVRPPDTWProblemInstance)base.Content; } set { base.Content = value; } } public CVRPPDTWView() { InitializeComponent(); } private bool drawFlow = false; protected override void pictureBox_MouseClick(object sender, System.Windows.Forms.MouseEventArgs e) { if (e.Button == System.Windows.Forms.MouseButtons.Right) { drawFlow = !drawFlow; GenerateImage(); } } protected override void DrawVisualization(Bitmap bitmap) { DoubleMatrix coordinates = Content.Coordinates; DoubleMatrix distanceMatrix = Content.DistanceMatrix; BoolValue useDistanceMatrix = Content.UseDistanceMatrix; DoubleArray dueTime = Content.DueTime; DoubleArray serviceTime = Content.ServiceTime; DoubleArray readyTime = Content.ReadyTime; DoubleArray demand = Content.Demand; IntArray pickupDeliveryLocation = Content.PickupDeliveryLocation; Pen flowPen = new Pen(Brushes.Red, 3); flowPen.EndCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor; flowPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot; if ((coordinates != null) && (coordinates.Rows > 0) && (coordinates.Columns == 2)) { double xMin = double.MaxValue, yMin = double.MaxValue, xMax = double.MinValue, yMax = double.MinValue; for (int i = 0; i < coordinates.Rows; i++) { if (xMin > coordinates[i, 0]) xMin = coordinates[i, 0]; if (yMin > coordinates[i, 1]) yMin = coordinates[i, 1]; if (xMax < coordinates[i, 0]) xMax = coordinates[i, 0]; if (yMax < coordinates[i, 1]) yMax = coordinates[i, 1]; } int border = 20; double xStep = xMax != xMin ? (bitmap.Width - 2 * border) / (xMax - xMin) : 1; double yStep = yMax != yMin ? (bitmap.Height - 2 * border) / (yMax - yMin) : 1; using (Graphics graphics = Graphics.FromImage(bitmap)) { if (Solution != null) { int currentTour = 0; List tours = Solution.GetTours(); List pens = GetColors(tours.Count); foreach (Tour tour in tours) { double t = 0.0; Point[] tourPoints = new Point[tour.Stops.Count + 2]; Brush[] customerBrushes = new Brush[tour.Stops.Count]; Pen[] customerPens = new Pen[tour.Stops.Count]; bool[] validPickupDelivery = new bool[tour.Stops.Count]; int lastCustomer = 0; Dictionary stops = new Dictionary(); for (int i = -1; i <= tour.Stops.Count; i++) { int location = 0; if (i == -1 || i == tour.Stops.Count) location = 0; //depot else location = tour.Stops[i]; Point locationPoint = new Point(border + ((int)((coordinates[location, 0] - xMin) * xStep)), bitmap.Height - (border + ((int)((coordinates[location, 1] - yMin) * yStep)))); tourPoints[i + 1] = locationPoint; if (i != -1 && i != tour.Stops.Count) { Brush customerBrush = Brushes.Black; Pen customerPen = Pens.Black; t += Content.GetDistance( lastCustomer, location, Solution); if (t < readyTime[location]) { t = readyTime[location]; customerBrush = Brushes.Orange; customerPen = Pens.Orange; } else if (t > dueTime[location]) { customerBrush = Brushes.Red; customerPen = Pens.Red; } t += serviceTime[location]; validPickupDelivery[i] = ((demand[location] >= 0) || (stops.ContainsKey(pickupDeliveryLocation[location]))); customerBrushes[i] = customerBrush; customerPens[i] = customerPen; stops.Add(location, true); } lastCustomer = location; } if (!drawFlow) graphics.DrawPolygon(pens[currentTour], tourPoints); for (int i = 0; i < tour.Stops.Count; i++) { if (validPickupDelivery[i]) { graphics.FillRectangle(customerBrushes[i], tourPoints[i + 1].X - 3, tourPoints[i + 1].Y - 3, 6, 6); if (demand[tour.Stops[i]] < 0 && drawFlow) { int location = pickupDeliveryLocation[tour.Stops[i]]; int source = tour.Stops.IndexOf(location); graphics.DrawLine(flowPen, tourPoints[source + 1], tourPoints[i + 1]); } } else graphics.DrawRectangle(customerPens[i], tourPoints[i + 1].X - 3, tourPoints[i + 1].Y - 3, 6, 6); } graphics.FillEllipse(Brushes.Blue, tourPoints[0].X - 5, tourPoints[0].Y - 5, 10, 10); currentTour++; } for (int i = 0; i < pens.Count; i++) pens[i].Dispose(); } else { { Point[] locationPoints = new Point[coordinates.Rows]; //just draw customers for (int i = 1; i < coordinates.Rows; i++) { locationPoints[i] = new Point(border + ((int)((coordinates[i, 0] - xMin) * xStep)), bitmap.Height - (border + ((int)((coordinates[i, 1] - yMin) * yStep)))); graphics.FillRectangle(Brushes.Black, locationPoints[i].X - 3, locationPoints[i].Y - 3, 6, 6); } if (drawFlow) { for (int i = 1; i < coordinates.Rows; i++) { if (demand[i] < 0) { graphics.DrawLine(flowPen, locationPoints[pickupDeliveryLocation[i]], locationPoints[i]); } } } Point locationPoint = new Point(border + ((int)((coordinates[0, 0] - xMin) * xStep)), bitmap.Height - (border + ((int)((coordinates[0, 1] - yMin) * yStep)))); graphics.FillEllipse(Brushes.Blue, locationPoint.X - 5, locationPoint.Y - 5, 10, 10); } } } } flowPen.Dispose(); } } }