source: branches/VRP/HeuristicLab.Problems.VehicleRouting.Views/3.4/MDCVRPTWView.cs @ 7317

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("MDCVRPTWProblemInstance View")]
  [Content(typeof(MDCVRPTWProblemInstance), true)]
  public partial class MDCVRPTWView : VRPProblemInstanceView {
    public new MDCVRPTWProblemInstance Content {
      get { return (MDCVRPTWProblemInstance)base.Content; }
      set { base.Content = value; }
    }

    public MDCVRPTWView() {
      InitializeComponent();
    }

    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;
      IntArray vehicleAssignment = Content.VehicleDepotAssignment;

      int depots = Content.Depots.Value;

      Pen[] pens = {new Pen(Color.FromArgb(92,20,237)), new Pen(Color.FromArgb(237,183,20)), new Pen(Color.FromArgb(237,20,219)), new Pen(Color.FromArgb(20,237,76)),
                    new Pen(Color.FromArgb(237,61,20)), new Pen(Color.FromArgb(115,78,26)), new Pen(Color.FromArgb(20,237,229)), new Pen(Color.FromArgb(39,101,19)),
                    new Pen(Color.FromArgb(230,170,229)), new Pen(Color.FromArgb(142,136,89)), new Pen(Color.FromArgb(157,217,166)), new Pen(Color.FromArgb(31,19,101)),
                    new Pen(Color.FromArgb(173,237,20)), new Pen(Color.FromArgb(230,231,161)), new Pen(Color.FromArgb(142,89,89)), new Pen(Color.FromArgb(93,89,142)),
                    new Pen(Color.FromArgb(146,203,217)), new Pen(Color.FromArgb(101,19,75)), new Pen(Color.FromArgb(198,20,237)), new Pen(Color.FromArgb(185,185,185)),
                    new Pen(Color.FromArgb(179,32,32)), new Pen(Color.FromArgb(18,119,115)), new Pen(Color.FromArgb(104,158,239)), new Pen(Color.Black)};

      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) {
            for (int i = 0; i < Content.Depots.Value; i++) {
              Point locationPoint = new Point(border + ((int)((coordinates[i, 0] - xMin) * xStep)),
                                bitmap.Height - (border + ((int)((coordinates[i, 1] - yMin) * yStep))));
              graphics.FillEllipse(Brushes.Blue, locationPoint.X - 5, locationPoint.Y - 5, 10, 10);
            }

            int currentTour = 0;
            foreach (Tour tour in Solution.GetTours()) {
              int tourIndex = Solution.GetTourIndex(tour);
              int vehicle = Solution.GetVehicleAssignment(tourIndex);
              int depot = vehicleAssignment[vehicle];

              double t = 0.0;
              Point[] tourPoints = new Point[tour.Stops.Count + 2];
              Brush[] customerBrushes = new Brush[tour.Stops.Count];
              int lastCustomer = 0;

              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;
                if (location == 0) {
                  locationPoint = new Point(border + ((int)((Content.Coordinates[depot, 0] - xMin) * xStep)),
                                  bitmap.Height - (border + ((int)((Content.Coordinates[depot, 1] - yMin) * yStep))));
                } else {
                  locationPoint = new Point(border + ((int)((Content.GetCoordinates(location)[0] - xMin) * xStep)),
                                  bitmap.Height - (border + ((int)((Content.GetCoordinates(location)[1] - yMin) * yStep))));
                }
                tourPoints[i + 1] = locationPoint;

                if (i != -1 && i != tour.Stops.Count) {
                  Brush customerBrush = Brushes.Black;

                  t += Content.GetDistance(
                    lastCustomer, location, Solution);

                  int locationIndex;
                  if (location == 0)
                    locationIndex = depot;
                  else
                    locationIndex = location + depots - 1;

                  if (t < readyTime[locationIndex]) {
                    t = readyTime[locationIndex];
                    customerBrush = Brushes.Orange;
                  } else if (t > dueTime[locationIndex]) {
                    customerBrush = Brushes.Red;
                  }

                  t += serviceTime[location - 1];
                  customerBrushes[i] = customerBrush;
                }
                lastCustomer = location;
              }

              graphics.DrawPolygon(pens[((currentTour >= pens.Length) ? (pens.Length - 1) : (currentTour))], tourPoints);

              for (int i = 0; i < tour.Stops.Count; i++) {
                graphics.FillRectangle(customerBrushes[i], tourPoints[i + 1].X - 3, tourPoints[i + 1].Y - 3, 6, 6);
              }

              graphics.FillEllipse(Brushes.DarkBlue, tourPoints[0].X - 5, tourPoints[0].Y - 5, 10, 10);

              currentTour++;
            }
          } else {
            Point locationPoint;
            //just draw customers
            for (int i = 1; i < coordinates.Rows; i++) {
              locationPoint = new Point(border + ((int)((coordinates[i, 0] - xMin) * xStep)),
                              bitmap.Height - (border + ((int)((coordinates[i, 1] - yMin) * yStep))));

              graphics.FillRectangle(Brushes.Black, locationPoint.X - 3, locationPoint.Y - 3, 6, 6);
            }

            for (int i = 0; i < Content.Depots.Value; i++) {
              locationPoint = new Point(border + ((int)((coordinates[i, 0] - xMin) * xStep)),
                                bitmap.Height - (border + ((int)((coordinates[i, 1] - yMin) * yStep))));
              graphics.FillEllipse(Brushes.Blue, locationPoint.X - 5, locationPoint.Y - 5, 10, 10);
            }
          }
        }
      }

      for (int i = 0; i < pens.Length; i++)
        pens[i].Dispose();
    }
  }
}