Documentation/Howto/ImplementANewVRPEvaluator: CapacityDependentStopSizeViewPatch.patch

HeuristicLab.Problems.VehicleRouting.Views/3.4/SingleDepotVRPView.cs

@@ -21 +21 @@
 
 using System;
 using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
 using System.Drawing;
-using System.Text;
-using System.Windows.Forms;
+using System.Linq;
+using HeuristicLab.Data;
 using HeuristicLab.MainForm;
 using HeuristicLab.Problems.VehicleRouting.ProblemInstances;
-using HeuristicLab.Data;
 
 namespace HeuristicLab.Problems.VehicleRouting.Views {
   [View("SingleDepotVRPProblemInstance View")]
@@ -61 +58 @@
         double xStep = xMax != xMin ? (bitmap.Width - 2 * border) / (xMax - xMin) : 1;
         double yStep = yMax != yMin ? (bitmap.Height - 2 * border) / (yMax - yMin) : 1;
 
+        double maxDemand = Content.Demand.Max();
+
         using (Graphics graphics = Graphics.FromImage(bitmap)) {
           if (Solution != null) {
-             List<Tour> tours = Solution.GetTours();
-             List<Pen> pens = GetColors(tours.Count);
+            List<Tour> tours = Solution.GetTours();
+            List<Pen> pens = GetColors(tours.Count);
 
             int currentTour = 0;
             foreach (Tour tour in tours) {
@@ -91 +90 @@
                 lastCustomer = location;
               }
 
-              graphics.DrawPolygon(pens[currentTour], tourPoints);
+              graphics.DrawPolygon(pens[currentTour], tourPoints.ToArray());
 
               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);
+                float size = (float)(10.0 * (Content.GetDemand(tour.Stops[i]) / maxDemand));
+                size = Math.Max(size, 2);
+
+                graphics.FillRectangle(customerBrushes[i], tourPoints[i + 1].X - size / 2, tourPoints[i + 1].Y - size / 2, size, size);
               }
 
               graphics.FillEllipse(Brushes.Blue, tourPoints[0].X - 5, tourPoints[0].Y - 5, 10, 10);
@@ -103 +105 @@
             }
 
             for (int i = 0; i < pens.Count; i++)
-               pens[i].Dispose();
+              pens[i].Dispose();
           } else {
             Point locationPoint;
             //just draw customers
@@ -111 +113 @@
               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);
+              float size = (float)(10.0 * (Content.GetDemand(i) / maxDemand));
+              size = Math.Max(size, 2);
+
+              graphics.FillRectangle(Brushes.Black, locationPoint.X - size / 2, locationPoint.Y - size / 2, size, size);
             }
 
             locationPoint = new Point(border + ((int)((coordinates[0, 0] - xMin) * xStep)),