1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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4 | *
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5 | * This file is part of HeuristicLab.
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6 | *
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7 | * HeuristicLab is free software: you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation, either version 3 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * HeuristicLab is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 | #endregion
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21 |
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22 | using System;
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23 | using System.Collections.Generic;
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24 | using System.ComponentModel;
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25 | using System.Linq;
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26 | using System.Text.RegularExpressions;
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27 | using System.Windows.Forms;
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28 | using System.Windows.Forms.DataVisualization.Charting;
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29 | using HeuristicLab.Analysis;
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30 | using HeuristicLab.Analysis.QualityAnalysis;
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31 | using HeuristicLab.Clients.OKB.RunCreation;
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32 | using HeuristicLab.Common;
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33 | using HeuristicLab.Common.Resources;
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34 | using HeuristicLab.Core;
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35 | using HeuristicLab.Core.Views;
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36 | using HeuristicLab.Data;
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37 | using HeuristicLab.Data.Views;
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38 | using HeuristicLab.MainForm;
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39 | using HeuristicLab.MainForm.WindowsForms;
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40 | using HeuristicLab.Optimization;
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41 | using HeuristicLab.Optimization.Views;
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42 | using HeuristicLab.OptimizationExpertSystem.Common;
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43 |
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44 | namespace HeuristicLab.OptimizationExpertSystem {
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45 | [View("Knowledge Center (all-in-one view)")]
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46 | [Content(typeof(KnowledgeCenter), IsDefaultView = true)]
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47 | public partial class KnowledgeCenterAllinOneView : AsynchronousContentView {
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48 | private EnumValueView<SeedingStrategyTypes> seedingStrategyView;
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49 | private CheckedItemListView<IScope> seedingSolutionsView;
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50 | protected virtual bool SuppressEvents { get; set; }
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51 | private bool okbDownloadInProgress;
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52 |
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53 | public new KnowledgeCenter Content {
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54 | get { return (KnowledgeCenter)base.Content; }
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55 | set { base.Content = value; }
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56 | }
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57 |
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58 | public KnowledgeCenterAllinOneView() {
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59 | InitializeComponent();
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60 | // brings progress panel to front (it is not visible by default, but obstructs other elements in designer)
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61 | this.Controls.SetChildIndex(this.progressPanel, 0);
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62 | algorithmStartButton.Text = string.Empty;
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63 | algorithmStartButton.Image = VSImageLibrary.Play;
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64 | algorithmCloneButton.Text = string.Empty;
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65 | algorithmCloneButton.Image = VSImageLibrary.Clone;
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66 | refreshMapButton.Text = string.Empty;
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67 | refreshMapButton.Image = VSImageLibrary.Refresh;
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68 | seedingStrategyView = new EnumValueView<SeedingStrategyTypes>() {
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69 | Dock = DockStyle.Fill
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70 | };
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71 | seedingSolutionsView = new CheckedItemListView<IScope>() {
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72 | Dock = DockStyle.Fill
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73 | };
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74 | seedingStrategyPanel.Controls.Add(seedingStrategyView);
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75 | solutionSeedingTabPage.Controls.Add(seedingSolutionsView);
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76 | }
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77 |
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78 | #region Event Registration
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79 | protected override void DeregisterContentEvents() {
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80 | Content.AlgorithmInstances.CollectionReset -= SuggestedInstancesOnChanged;
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81 | Content.AlgorithmInstances.ItemsAdded -= SuggestedInstancesOnChanged;
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82 | Content.AlgorithmInstances.ItemsMoved -= SuggestedInstancesOnChanged;
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83 | Content.AlgorithmInstances.ItemsRemoved -= SuggestedInstancesOnChanged;
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84 | Content.AlgorithmInstances.ItemsReplaced -= SuggestedInstancesOnChanged;
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85 | Content.SolutionSeedingPool.CollectionReset -= SeedingPoolOnChanged;
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86 | Content.SolutionSeedingPool.ItemsAdded -= SeedingPoolOnChanged;
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87 | Content.SolutionSeedingPool.ItemsRemoved -= SeedingPoolOnChanged;
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88 | Content.SolutionSeedingPool.ItemsReplaced -= SeedingPoolOnChanged;
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89 | Content.SolutionSeedingPool.CheckedItemsChanged -= SeedingPoolOnChanged;
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90 | DeregisterProblemEvents(Content.Problem);
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91 | base.DeregisterContentEvents();
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92 | }
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93 |
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94 | protected override void RegisterContentEvents() {
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95 | base.RegisterContentEvents();
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96 | Content.AlgorithmInstances.CollectionReset += SuggestedInstancesOnChanged;
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97 | Content.AlgorithmInstances.ItemsAdded += SuggestedInstancesOnChanged;
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98 | Content.AlgorithmInstances.ItemsMoved += SuggestedInstancesOnChanged;
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99 | Content.AlgorithmInstances.ItemsRemoved += SuggestedInstancesOnChanged;
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100 | Content.AlgorithmInstances.ItemsReplaced += SuggestedInstancesOnChanged;
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101 | Content.SolutionSeedingPool.CollectionReset += SeedingPoolOnChanged;
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102 | Content.SolutionSeedingPool.ItemsAdded += SeedingPoolOnChanged;
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103 | Content.SolutionSeedingPool.ItemsRemoved += SeedingPoolOnChanged;
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104 | Content.SolutionSeedingPool.ItemsReplaced += SeedingPoolOnChanged;
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105 | Content.SolutionSeedingPool.CheckedItemsChanged += SeedingPoolOnChanged;
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106 | RegisterProblemEvents(Content.Problem);
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107 | }
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108 |
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109 | private void DeregisterProblemEvents(OKBProblem problem) {
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110 | if (problem == null) return;
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111 | problem.Solutions.ItemsAdded -= SolutionsOnChanged;
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112 | problem.Solutions.ItemsRemoved -= SolutionsOnChanged;
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113 | problem.Solutions.ItemsReplaced -= SolutionsOnChanged;
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114 | problem.Solutions.CollectionReset -= SolutionsOnChanged;
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115 | problem.ProblemChanged -= ContentOnProblemChanged;
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116 | }
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117 |
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118 | private void RegisterProblemEvents(OKBProblem problem) {
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119 | if (problem == null) return;
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120 | problem.Solutions.ItemsAdded += SolutionsOnChanged;
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121 | problem.Solutions.ItemsRemoved += SolutionsOnChanged;
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122 | problem.Solutions.ItemsReplaced += SolutionsOnChanged;
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123 | problem.Solutions.CollectionReset += SolutionsOnChanged;
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124 | problem.ProblemChanged += ContentOnProblemChanged;
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125 | }
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126 | #endregion
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127 |
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128 | protected override void OnContentChanged() {
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129 | base.OnContentChanged();
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130 | SuppressEvents = true;
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131 | okbDownloadInProgress = false;
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132 | try {
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133 | if (Content == null) {
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134 | maxEvaluationsTextBox.Text = String.Empty;
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135 | problemViewHost.Content = null;
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136 | solverParametersView.Content = null;
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137 | solverResultsView.Content = null;
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138 | runsView.Content = null;
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139 | kbViewHost.Content = null;
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140 | problemInstancesView.Content = null;
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141 | seedingStrategyView.Content = null;
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142 | seedingSolutionsView.Content = null;
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143 | } else {
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144 | maxEvaluationsTextBox.Text = Content.MaximumEvaluations.ToString();
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145 | problemViewHost.Content = Content.Problem;
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146 | runsView.Content = Content.InstanceRuns;
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147 | kbViewHost.ViewType = typeof(RunCollectionRLDView);
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148 | kbViewHost.Content = Content.KnowledgeBase;
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149 | problemInstancesView.Content = Content.ProblemInstances;
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150 | solverResultsView.Content = null;
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151 | seedingStrategyView.Content = Content.SeedingStrategy;
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152 | seedingSolutionsView.Content = Content.SolutionSeedingPool;
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153 | }
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154 | } finally { SuppressEvents = false; }
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155 | UpdateSuggestedInstancesCombobox();
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156 | UpdateSimilarityCalculators();
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157 | UpdateNamesComboboxes();
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158 | }
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159 |
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160 | protected override void SetEnabledStateOfControls() {
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161 | base.SetEnabledStateOfControls();
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162 | maxEvaluationsTextBox.Enabled = Content != null && !ReadOnly && !Locked;
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163 | problemViewHost.Enabled = Content != null && !ReadOnly && !Locked && !okbDownloadInProgress;
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164 | suggestedInstancesComboBox.Enabled = Content != null && !ReadOnly && !Locked && !okbDownloadInProgress;
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165 | algorithmStartButton.Enabled = Content != null && !ReadOnly && !Locked && suggestedInstancesComboBox.SelectedIndex >= 0;
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166 | algorithmCloneButton.Enabled = Content != null && !ReadOnly && !Locked && suggestedInstancesComboBox.SelectedIndex >= 0;
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167 | runsView.Enabled = Content != null;
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168 | kbViewHost.Enabled = Content != null && !okbDownloadInProgress;
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169 | problemInstancesView.Enabled = Content != null && !okbDownloadInProgress;
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170 | refreshMapButton.Enabled = Content != null;
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171 | okbDownloadButton.Enabled = Content != null && Content.Problem != null && Content.Problem.ProblemId >= 0 && !ReadOnly && !Locked && !okbDownloadInProgress;
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172 | }
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173 |
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174 | #region Event Handlers
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175 | #region Content events
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176 | private void ContentOnProblemChanged(object sender, EventArgs eventArgs) {
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177 | UpdateSuggestedInstancesCombobox();
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178 | UpdateSimilarityCalculators();
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179 | SetEnabledStateOfControls();
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180 | }
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181 |
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182 | private void SuggestedInstancesOnChanged(object sender, EventArgs e) {
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183 | UpdateSuggestedInstancesCombobox();
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184 | }
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185 |
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186 | private void SeedingPoolOnChanged(object sender, EventArgs e) {
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187 | UpdateSolutionVisualization();
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188 | }
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189 |
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190 | private void SolutionsOnChanged(object sender, EventArgs e) {
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191 | UpdateNamesComboboxes();
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192 | UpdateSolutionVisualization();
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193 | }
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194 | #endregion
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195 |
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196 | #region Control events
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197 | private void MaxEvaluationsTextBoxOnValidating(object sender, CancelEventArgs e) {
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198 | if (SuppressEvents) return;
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199 | if (InvokeRequired) {
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200 | Invoke((Action<object, CancelEventArgs>)MaxEvaluationsTextBoxOnValidating, sender, e);
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201 | return;
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202 | }
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203 | int value;
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204 | if (!int.TryParse(maxEvaluationsTextBox.Text, out value)) {
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205 | e.Cancel = !maxEvaluationsTextBox.ReadOnly && maxEvaluationsTextBox.Enabled;
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206 | //errorProvider.SetError(maxEvaluationsTextBox, "Please enter a valid integer number.");
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207 | } else {
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208 | Content.MaximumEvaluations.Value = value;
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209 | e.Cancel = false;
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210 | //errorProvider.SetError(maxEvaluationsTextBox, null);
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211 | }
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212 | }
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213 |
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214 | private void RefreshMapButtonOnClick(object sender, EventArgs e) {
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215 | UpdateProjectionComboBox();
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216 | }
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217 |
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218 | private void OkbDownloadButtonOnClick(object sender, EventArgs e) {
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219 | if (Content.Problem.ProblemId == -1) {
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220 | MessageBox.Show("Please select a problem instance first.");
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221 | return;
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222 | }
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223 | var progress = new Progress();
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224 | progress.ProgressStateChanged += OkbDownloadProgressOnStateChanged;
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225 | Content.UpdateKnowledgeBaseAsync(progress);
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226 | Progress.ShowOnControl(progressPanel, progress);
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227 | progressPanel.Visible = true;
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228 | SetEnabledStateOfControls();
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229 | }
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230 |
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231 | private void OkbDownloadProgressOnStateChanged(object sender, EventArgs e) {
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232 | if (InvokeRequired) { Invoke((Action<object, EventArgs>)OkbDownloadProgressOnStateChanged, sender, e); return; }
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233 | var progress = (IProgress)sender;
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234 | okbDownloadInProgress = progress.ProgressState == ProgressState.Started;
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235 | SetEnabledStateOfControls();
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236 | if (!okbDownloadInProgress) {
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237 | progressPanel.Visible = false;
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238 | progress.ProgressStateChanged -= OkbDownloadProgressOnStateChanged;
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239 | }
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240 | }
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241 |
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242 | private async void AlgorithmStartButtonOnClick(object sender, EventArgs e) {
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243 | if (suggestedInstancesComboBox.SelectedIndex >= 0) {
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244 | solverResultsView.Content = await Content.StartAlgorithmAsync(suggestedInstancesComboBox.SelectedIndex);
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245 | }
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246 | }
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247 |
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248 | private void AlgorithmCloneButtonOnClick(object sender, EventArgs e) {
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249 | if (suggestedInstancesComboBox.SelectedIndex >= 0)
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250 | MainFormManager.MainForm.ShowContent((IAlgorithm)Content.AlgorithmInstances[suggestedInstancesComboBox.SelectedIndex].Clone());
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251 | }
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252 |
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253 | private void ProjectionComboBoxOnSelectedIndexChanged(object sender, EventArgs e) {
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254 | if (InvokeRequired) { Invoke((Action<object, EventArgs>)ProjectionComboBoxOnSelectedIndexChanged, sender, e); return; }
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255 | if (projectionComboBox.SelectedIndex < 0) return;
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256 | var projection = (string)projectionComboBox.SelectedItem;
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257 | var instancesSeries = instanceMapChart.Series["InstancesSeries"];
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258 | var currentInstanceSeries = instanceMapChart.Series["CurrentInstanceSeries"];
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259 |
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260 | instancesSeries.Points.Clear();
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261 | currentInstanceSeries.Points.Clear();
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262 |
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263 | foreach (var run in Content.ProblemInstances) {
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264 | var xKey = "Projection." + projection + ".X";
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265 | var yKey = "Projection." + projection + ".Y";
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266 | if (!run.Results.ContainsKey(xKey) || !run.Results.ContainsKey(yKey)
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267 | || !(run.Results[xKey] is Data.DoubleValue) || !(run.Results[yKey] is Data.DoubleValue)) continue;
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268 | var x = ((Data.DoubleValue)run.Results[xKey]).Value;
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269 | var y = ((Data.DoubleValue)run.Results[yKey]).Value;
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270 | var dataPoint = new DataPoint(x, y) {
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271 | Label = run.Name
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272 | };
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273 | if (!Content.IsCurrentInstance(run)) instancesSeries.Points.Add(dataPoint);
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274 | else currentInstanceSeries.Points.Add(dataPoint);
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275 | }
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276 | }
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277 |
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278 | private void SuggestedInstancesComboBoxOnSelectedIndexChanged(object sender, EventArgs e) {
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279 | if (InvokeRequired) { Invoke((Action<object, EventArgs>)SuggestedInstancesComboBoxOnSelectedIndexChanged, sender, e); return; }
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280 | if (suggestedInstancesComboBox.SelectedIndex >= 0) {
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281 | var alg = Content.AlgorithmInstances[suggestedInstancesComboBox.SelectedIndex];
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282 | solverParametersView.Content = alg.Parameters;
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283 | var engineAlg = alg as EngineAlgorithm;
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284 | if (engineAlg != null) operatorGraphViewHost.Content = engineAlg.OperatorGraph;
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285 | else operatorGraphViewHost.Content = new Data.StringValue("Algorithm is not modeled as an operator graph.");
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286 | } else {
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287 | solverParametersView.Content = null;
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288 | operatorGraphViewHost.Content = null;
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289 | }
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290 | SetEnabledStateOfControls();
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291 | }
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292 |
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293 | private void SimilarityComboBoxOnSelectedIndexChanged(object sender, EventArgs e) {
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294 | if (InvokeRequired) { Invoke((Action<object, EventArgs>)SimilarityComboBoxOnSelectedIndexChanged, sender, e); return; }
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295 | var calculator = (ISolutionSimilarityCalculator)similarityComboBox.SelectedItem;
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296 | if (calculator != null) {
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297 | calculator.SolutionVariableName = (string)solutionNameComboBox.SelectedItem;
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298 | calculator.QualityVariableName = Content.Problem.Problem.Evaluator.QualityParameter.ActualName;
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299 | }
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300 | UpdateSolutionDiversityAnalysis(calculator);
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301 | UpdateSolutionFdcAnalysis(calculator, fdcBetweenBestCheckBox.Checked);
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302 | UpdateSolutionLengthScaleAnalysis(calculator);
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303 | UpdateSolutionNetworkAnalysis(calculator);
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304 | }
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305 |
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306 | private void FdcBetweenBestCheckBoxOnCheckedChanged(object sender, EventArgs e) {
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307 | if (InvokeRequired) { Invoke((Action<object, EventArgs>)FdcBetweenBestCheckBoxOnCheckedChanged, sender, e); return; }
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308 | UpdateSolutionFdcAnalysis((ISolutionSimilarityCalculator)similarityComboBox.SelectedItem, fdcBetweenBestCheckBox.Checked);
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309 | }
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310 |
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311 | private void SolutionsNetworkChartOnMouseClick(object sender, MouseEventArgs e) {
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312 | var result = solutionsNetworkChart.HitTest(e.X, e.Y);
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313 | if (result.ChartElementType == ChartElementType.DataPoint) {
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314 | var point = (DataPoint)result.Object;
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315 | var solutionScope = point.Tag as IScope;
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316 | if (solutionScope == null || !Content.SolutionSeedingPool.Contains(solutionScope)) return;
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317 | Content.SolutionSeedingPool.SetItemCheckedState(solutionScope, !Content.SolutionSeedingPool.ItemChecked(solutionScope));
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318 | }
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319 | }
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320 | #endregion
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321 | #endregion
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322 |
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323 | #region Control Configuration
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324 | private void UpdateSuggestedInstancesCombobox() {
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325 | var prevSelection = (IAlgorithm)suggestedInstancesComboBox.SelectedItem;
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326 | var prevNewIndex = -1;
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327 | suggestedInstancesComboBox.Items.Clear();
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328 | if (Content == null) return;
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329 |
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330 | for (var i = 0; i < Content.AlgorithmInstances.Count; i++) {
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331 | suggestedInstancesComboBox.Items.Add(Content.AlgorithmInstances[i]);
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332 | if (prevSelection == null || Content.AlgorithmInstances[i].Name == prevSelection.Name)
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333 | prevNewIndex = prevSelection == null ? 0 : i;
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334 | }
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335 | if (prevNewIndex >= 0) {
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336 | suggestedInstancesComboBox.SelectedIndex = prevNewIndex;
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337 | }
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338 | }
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339 |
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340 | private void UpdateSimilarityCalculators() {
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341 | var selected = (ISolutionSimilarityCalculator)(similarityComboBox.SelectedIndex >= 0 ? similarityComboBox.SelectedItem : null);
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342 | similarityComboBox.Items.Clear();
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343 |
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344 | if (Content == null || Content.Problem == null) return;
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345 |
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346 | foreach (var calc in Content.Problem.Operators.OfType<ISolutionSimilarityCalculator>()) {
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347 | similarityComboBox.Items.Add(calc);
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348 | if (selected != null && calc.ItemName == selected.ItemName) similarityComboBox.SelectedItem = calc;
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349 | }
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350 | if (selected == null && similarityComboBox.Items.Count > 0)
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351 | similarityComboBox.SelectedIndex = 0;
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352 | }
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353 |
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354 | private void UpdateNamesComboboxes() {
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355 | var selectedSolutionName = solutionNameComboBox.SelectedIndex >= 0 ? (string)solutionNameComboBox.SelectedItem : string.Empty;
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356 |
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357 | solutionNameComboBox.Items.Clear();
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358 | if (Content == null) return;
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359 | var solutionNames = Content.Problem.Solutions.Select(x => x.Solution).OfType<IScope>().SelectMany(x => x.Variables);
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360 |
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361 | foreach (var sn in solutionNames.GroupBy(x => x.Name).OrderBy(x => x.Key)) {
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362 | solutionNameComboBox.Items.Add(sn.Key);
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363 | // either it was previously selected, or the variable value is defined in the HeuristicLab.Encodings sub-namespace
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364 | if (sn.Key == selectedSolutionName || (string.IsNullOrEmpty(selectedSolutionName) && sn.All(x => x.Value != null && x.Value.GetType().FullName.StartsWith("HeuristicLab.Encodings."))))
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365 | solutionNameComboBox.SelectedItem = sn.Key;
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366 | }
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367 | }
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368 |
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369 | private void UpdateProjectionComboBox() {
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370 | projectionComboBox.Items.Clear();
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371 | var projStrings = Content.ProblemInstances
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372 | .SelectMany(x => x.Results.Where(y => Regex.IsMatch(y.Key, "^Projection[.].*[.][XY]$")))
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373 | .Select(x => Regex.Match(x.Key, "Projection[.](?<g>.*)[.][XY]").Groups["g"].Value)
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374 | .Distinct();
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375 | foreach (var str in projStrings) {
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376 | projectionComboBox.Items.Add(str);
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377 | }
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378 | }
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379 | #endregion
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380 |
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381 | #region Visualization
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382 | #region Solution Visualization
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383 | public void UpdateSolutionVisualization() {
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384 | if (InvokeRequired) { Invoke((Action)UpdateSolutionVisualization); return; }
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385 | var qualityName = Content.Problem.Problem.Evaluator.QualityParameter.ActualName;
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386 | UpdateSolutionQualityAnalysis(qualityName);
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387 | if (similarityComboBox.SelectedIndex >= 0) {
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388 | var calculator = (ISolutionSimilarityCalculator)similarityComboBox.SelectedItem;
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389 | UpdateSolutionDiversityAnalysis(calculator);
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390 | UpdateSolutionFdcAnalysis(calculator, fdcBetweenBestCheckBox.Checked);
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391 | UpdateSolutionLengthScaleAnalysis(calculator);
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392 | UpdateSolutionNetworkAnalysis(calculator);
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393 | } else {
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394 | solutionsDiversityViewHost.Content = null;
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395 | solutionsFdcViewHost.Content = null;
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396 | solutionsLengthScaleViewHost.Content = null;
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397 | solutionsNetworkChart.Series.First().Points.Clear();
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398 | }
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399 | }
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400 | private void UpdateSolutionQualityAnalysis(string qualityName) {
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401 | var dt = solutionsQualityViewHost.Content as DataTable;
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402 | if (dt == null) {
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403 | dt = QualityDistributionAnalyzer.PrepareTable(qualityName);
|
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404 | dt.VisualProperties.Title = "Quality Distribution";
|
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405 | solutionsQualityViewHost.Content = dt;
|
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406 | }
|
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407 | QualityDistributionAnalyzer.UpdateTable(dt, GetSolutionScopes().Select(x => GetQuality(x, qualityName) ?? double.NaN).Where(x => !double.IsNaN(x)));
|
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408 | }
|
---|
409 |
|
---|
410 | private void UpdateSolutionDiversityAnalysis(ISolutionSimilarityCalculator calculator) {
|
---|
411 | try {
|
---|
412 | solutionsDiversityViewHost.Content = null;
|
---|
413 | var solutionScopes = GetSolutionScopes();
|
---|
414 | var similarities = new double[solutionScopes.Count, solutionScopes.Count];
|
---|
415 | for (var i = 0; i < solutionScopes.Count; i++) {
|
---|
416 | for (var j = 0; j < solutionScopes.Count; j++)
|
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417 | similarities[i, j] = calculator.CalculateSolutionSimilarity(solutionScopes[i], solutionScopes[j]);
|
---|
418 | }
|
---|
419 | var hm = new HeatMap(similarities, "Solution Similarities", 0.0, 1.0);
|
---|
420 | solutionsDiversityViewHost.Content = hm;
|
---|
421 | } catch { }
|
---|
422 | }
|
---|
423 |
|
---|
424 | private void UpdateSolutionFdcAnalysis(ISolutionSimilarityCalculator calculator, bool distanceToBest) {
|
---|
425 | try {
|
---|
426 | solutionsFdcViewHost.Content = null;
|
---|
427 | var solutionScopes = GetSolutionScopes();
|
---|
428 | var points = new List<Point2D<double>>();
|
---|
429 | if (distanceToBest) {
|
---|
430 | var maximization = ((IValueParameter<Data.BoolValue>)Content.Problem.MaximizationParameter).Value.Value;
|
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431 | var bestSolutions = (maximization ? solutionScopes.MaxItems(x => GetQuality(x, calculator.QualityVariableName) ?? double.NegativeInfinity)
|
---|
432 | : solutionScopes.MinItems(x => GetQuality(x, calculator.QualityVariableName) ?? double.PositiveInfinity)).ToList();
|
---|
433 | foreach (var solScope in solutionScopes.Except(bestSolutions)) {
|
---|
434 | var maxSimilarity = bestSolutions.Max(x => calculator.CalculateSolutionSimilarity(solScope, x));
|
---|
435 | var qDiff = (GetQuality(solScope, calculator.QualityVariableName) ?? double.NaN)
|
---|
436 | - (GetQuality(bestSolutions[0], calculator.QualityVariableName) ?? double.NaN);
|
---|
437 | points.Add(new Point2D<double>(Math.Abs(qDiff), 1.0 - maxSimilarity));
|
---|
438 | }
|
---|
439 | } else {
|
---|
440 | for (int i = 0; i < solutionScopes.Count; i++) {
|
---|
441 | for (int j = 0; j < solutionScopes.Count; j++) {
|
---|
442 | if (i == j) continue;
|
---|
443 | var qDiff = (GetQuality(solutionScopes[i], calculator.QualityVariableName) ?? double.NaN)
|
---|
444 | - (GetQuality(solutionScopes[j], calculator.QualityVariableName) ?? double.NaN);
|
---|
445 | if (double.IsNaN(qDiff)) continue;
|
---|
446 | points.Add(new Point2D<double>(Math.Abs(qDiff), 1.0 - calculator.CalculateSolutionSimilarity(solutionScopes[i], solutionScopes[j])));
|
---|
447 | }
|
---|
448 | }
|
---|
449 | }
|
---|
450 | var splot = new ScatterPlot("Fitness-Distance", "");
|
---|
451 | splot.VisualProperties.XAxisTitle = "Absolute Fitness Difference";
|
---|
452 | splot.VisualProperties.XAxisMinimumFixedValue = 0.0;
|
---|
453 | splot.VisualProperties.XAxisMinimumAuto = false;
|
---|
454 | splot.VisualProperties.YAxisTitle = "Solution Distance";
|
---|
455 | splot.VisualProperties.YAxisMinimumFixedValue = 0.0;
|
---|
456 | splot.VisualProperties.YAxisMinimumAuto = false;
|
---|
457 | splot.VisualProperties.YAxisMaximumFixedValue = 1.0;
|
---|
458 | splot.VisualProperties.YAxisMaximumAuto = false;
|
---|
459 | var row = new ScatterPlotDataRow("Fdc", "", points);
|
---|
460 | row.VisualProperties.PointSize = 7;
|
---|
461 | splot.Rows.Add(row);
|
---|
462 | solutionsFdcViewHost.Content = splot;
|
---|
463 | } catch { }
|
---|
464 | }
|
---|
465 |
|
---|
466 | private void UpdateSolutionLengthScaleAnalysis(ISolutionSimilarityCalculator calculator) {
|
---|
467 | try {
|
---|
468 | solutionsLengthScaleViewHost.Content = null;
|
---|
469 | var dt = solutionsLengthScaleViewHost.Content as DataTable;
|
---|
470 | if (dt == null) {
|
---|
471 | dt = QualityDistributionAnalyzer.PrepareTable("Length Scale");
|
---|
472 | solutionsLengthScaleViewHost.Content = dt;
|
---|
473 | }
|
---|
474 | QualityDistributionAnalyzer.UpdateTable(dt, CalculateLengthScale(calculator));
|
---|
475 | } catch {
|
---|
476 | solutionsLengthScaleViewHost.Content = null;
|
---|
477 | }
|
---|
478 | }
|
---|
479 |
|
---|
480 | private IEnumerable<double> CalculateLengthScale(ISolutionSimilarityCalculator calculator) {
|
---|
481 | var solutionScopes = GetSolutionScopes();
|
---|
482 | for (var i = 0; i < solutionScopes.Count; i++) {
|
---|
483 | for (var j = 0; j < solutionScopes.Count; j++) {
|
---|
484 | if (i == j) continue;
|
---|
485 | var sim = calculator.CalculateSolutionSimilarity(solutionScopes[i], solutionScopes[j]);
|
---|
486 | if (sim.IsAlmost(0)) continue;
|
---|
487 | var qDiff = (GetQuality(solutionScopes[i], calculator.QualityVariableName) ?? double.NaN)
|
---|
488 | - (GetQuality(solutionScopes[j], calculator.QualityVariableName) ?? double.NaN);
|
---|
489 | if (!double.IsNaN(qDiff)) yield return Math.Abs(qDiff) / sim;
|
---|
490 | }
|
---|
491 | }
|
---|
492 | }
|
---|
493 |
|
---|
494 | private void UpdateSolutionNetworkAnalysis(ISolutionSimilarityCalculator calculator) {
|
---|
495 | var series = solutionsNetworkChart.Series["SolutionSeries"];
|
---|
496 | var seedingSeries = solutionsNetworkChart.Series["SeedingSolutionSeries"];
|
---|
497 | try {
|
---|
498 | series.Points.Clear();
|
---|
499 | seedingSeries.Points.Clear();
|
---|
500 | var solutionScopes = GetSolutionScopes();
|
---|
501 | var dissimilarities = new DoubleMatrix(solutionScopes.Count, solutionScopes.Count);
|
---|
502 | for (var i = 0; i < solutionScopes.Count; i++) {
|
---|
503 | for (var j = 0; j < solutionScopes.Count; j++) {
|
---|
504 | if (i == j) continue;
|
---|
505 | dissimilarities[i, j] = 1.0 - calculator.CalculateSolutionSimilarity(solutionScopes[i], solutionScopes[j]);
|
---|
506 | }
|
---|
507 | }
|
---|
508 | var coords = MultidimensionalScaling.KruskalShepard(dissimilarities);
|
---|
509 | for (var i = 0; i < coords.Rows; i++) {
|
---|
510 | var quality = GetQuality(solutionScopes[i], calculator.QualityVariableName) ?? double.NaN;
|
---|
511 | var dataPoint = new DataPoint() {
|
---|
512 | Name = (i + 1).ToString(),
|
---|
513 | XValue = coords[i, 0],
|
---|
514 | YValues = new[] {coords[i, 1], quality},
|
---|
515 | Label = i + ": " + quality,
|
---|
516 | Tag = solutionScopes[i]
|
---|
517 | };
|
---|
518 | if (Content.SolutionSeedingPool.Contains(solutionScopes[i]) && Content.SolutionSeedingPool.ItemChecked(solutionScopes[i]))
|
---|
519 | seedingSeries.Points.Add(dataPoint);
|
---|
520 | else series.Points.Add(dataPoint);
|
---|
521 | }
|
---|
522 | } catch {
|
---|
523 | // problems in calculating the similarity
|
---|
524 | series.Points.Clear();
|
---|
525 | seedingSeries.Points.Clear();
|
---|
526 | }
|
---|
527 | }
|
---|
528 | #endregion
|
---|
529 | #endregion
|
---|
530 |
|
---|
531 | private List<IScope> GetSolutionScopes() {
|
---|
532 | return Content.Problem.Solutions.Select(x => x.Solution).OfType<IScope>().ToList();
|
---|
533 | }
|
---|
534 |
|
---|
535 | private double? GetQuality(IScope scope, string qualityName) {
|
---|
536 | IVariable v;
|
---|
537 | if (!scope.Variables.TryGetValue(qualityName, out v)) return null;
|
---|
538 | var dval = v.Value as Data.DoubleValue;
|
---|
539 | if (dval == null) return null;
|
---|
540 | return dval.Value;
|
---|
541 | }
|
---|
542 | }
|
---|
543 | }
|
---|