#region License Information
/* HeuristicLab
* Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
*
* This file is part of HeuristicLab.
*
* HeuristicLab is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* HeuristicLab is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with HeuristicLab. If not, see .
*/
#endregion
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("CVRPTWProblemInstance View")]
[Content(typeof(CVRPTWProblemInstance), true)]
public partial class CVRPTWView : VRPProblemInstanceView {
public new CVRPTWProblemInstance Content {
get { return (CVRPTWProblemInstance)base.Content; }
set { base.Content = value; }
}
public CVRPTWView() {
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;
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];
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 = 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;
t += Content.GetDistance(
lastCustomer, location, Solution);
if (t < readyTime[location]) {
t = readyTime[location];
customerBrush = Brushes.Orange;
} else if (t > dueTime[location]) {
customerBrush = Brushes.Red;
}
t += serviceTime[location];
customerBrushes[i] = customerBrush;
}
lastCustomer = location;
}
graphics.DrawPolygon(pens[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.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 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);
}
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);
}
}
}
}
}
}