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 HeuristicLab.Core;
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23 | using HeuristicLab.MainForm;
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24 | using HeuristicLab.OptimizationExpertSystem.Common;
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25 | using System;
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26 | using System.Collections.Generic;
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27 | using System.Linq;
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28 | using System.Text.RegularExpressions;
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29 | using System.Windows.Forms.DataVisualization.Charting;
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30 |
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31 | namespace HeuristicLab.OptimizationExpertSystem {
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32 | [View("Understanding Problem Instance")]
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33 | [Content(typeof(KnowledgeCenter), IsDefaultView = false)]
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34 | public sealed partial class UnderstandingProblemInstanceView : KnowledgeCenterViewBase {
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35 | private bool SuppressEvents { get; set; }
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36 |
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37 | public UnderstandingProblemInstanceView() {
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38 | InitializeComponent();
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39 | }
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40 |
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41 | protected override void OnContentChanged() {
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42 | base.OnContentChanged();
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43 | if (Content == null) {
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44 | problemInstancesView.Content = null;
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45 | instanceMapChart.Series["InstancesSeries"].Points.Clear();
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46 | instanceMapChart.Series["CurrentInstanceSeries"].Points.Clear();
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47 | } else {
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48 | problemInstancesView.Content = Content.ProblemInstances;
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49 | UpdateProjectionComboBox();
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50 | UpdateSizeComboBox();
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51 | }
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52 | }
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53 |
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54 | #region Content Event Handlers
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55 | protected override void OnProblemChanged() {
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56 | base.OnProblemChanged();
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57 | SetEnabledStateOfControls();
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58 | }
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59 |
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60 | protected override void OnProblemInstancesChanged() {
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61 | base.OnProblemInstancesChanged();
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62 | if (Content.ProblemInstances.UpdateOfRunsInProgress) return;
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63 | UpdateProjectionComboBox();
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64 | UpdateSizeComboBox();
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65 | UpdateProjection();
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66 | }
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67 | #endregion
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68 |
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69 | private void UpdateProjectionComboBox() {
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70 | try {
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71 | SuppressEvents = true;
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72 | var selected = projectionComboBox.SelectedIndex >= 0 ? (string)projectionComboBox.SelectedItem : null;
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73 | projectionComboBox.Items.Clear();
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74 | foreach (var str in GetProjections()) {
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75 | projectionComboBox.Items.Add(str);
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76 | if (selected == str) projectionComboBox.SelectedItem = str;
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77 | }
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78 | if (selected == null && projectionComboBox.Items.Count > 0)
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79 | projectionComboBox.SelectedIndex = 0;
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80 | } finally { SuppressEvents = false; }
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81 | }
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82 |
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83 | private void UpdateSizeComboBox() {
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84 | try {
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85 | SuppressEvents = true;
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86 | var selected = sizeComboBox.SelectedIndex >= 0 ? (string)sizeComboBox.SelectedItem : null;
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87 | sizeComboBox.Items.Clear();
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88 | sizeComboBox.Items.Add(string.Empty);
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89 | foreach (var str in Content.ProblemInstances.ResultNames.Where(x => !(x.StartsWith("Projection.") && (x.EndsWith(".X") || x.EndsWith(".Y"))))) {
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90 | sizeComboBox.Items.Add(str);
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91 | if (selected == str) sizeComboBox.SelectedItem = str;
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92 | }
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93 | if (selected == null && sizeComboBox.Items.Count > 0)
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94 | sizeComboBox.SelectedIndex = 0;
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95 | } finally { SuppressEvents = false; }
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96 | }
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97 |
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98 | private IEnumerable<string> GetProjections() {
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99 | return Content.ProblemInstances
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100 | .SelectMany(x => x.Results.Where(y => Regex.IsMatch(y.Key, "^Projection[.].*[.][XY]$")))
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101 | .Select(x => Regex.Match(x.Key, "Projection[.](?<g>.*)[.][XY]").Groups["g"].Value)
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102 | .Distinct();
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103 | }
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104 |
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105 | private void UpdateProjection() {
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106 | if (InvokeRequired) { Invoke((Action)UpdateProjection); return; }
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107 |
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108 | var instancesSeries = instanceMapChart.Series["InstancesSeries"];
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109 | var currentInstanceSeries = instanceMapChart.Series["CurrentInstanceSeries"];
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110 |
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111 | if (projectionComboBox.SelectedIndex < 0) {
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112 | instancesSeries.Points.Clear();
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113 | currentInstanceSeries.Points.Clear();
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114 | return;
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115 | }
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116 |
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117 | var projection = (string)projectionComboBox.SelectedItem;
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118 | var size = sizeComboBox.SelectedIndex >= 0 ? (string)sizeComboBox.SelectedItem : string.Empty;
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119 |
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120 | DoProjectProblemInstances(instancesSeries, currentInstanceSeries, projection, size, invPropCheckBox.Checked);
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121 | }
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122 |
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123 | private void DoProjectProblemInstances(Series instancesSeries, Series currentInstanceSeries, string projection, string size, bool invProp) {
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124 | instancesSeries.Points.Clear();
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125 | currentInstanceSeries.Points.Clear();
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126 |
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127 | double maxSize = 0, minSize = 0;
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128 | if (!string.IsNullOrEmpty(size)) {
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129 | var sizes = Content.ProblemInstances.Where(x => x.Results.ContainsKey(size)).Select(x => x.Results[size]).OfType<Data.DoubleValue>().Where(x => !double.IsNaN(x.Value)).ToList();
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130 | if (sizes.Count > 0) {
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131 | maxSize = sizes.Max(x => x.Value);
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132 | minSize = sizes.Min(x => x.Value);
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133 | }
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134 | }
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135 | foreach (var run in Content.ProblemInstances) {
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136 | var xKey = "Projection." + projection + ".X";
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137 | var yKey = "Projection." + projection + ".Y";
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138 | if (!run.Results.ContainsKey(xKey) || !run.Results.ContainsKey(yKey)
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139 | || !(run.Results[xKey] is Data.DoubleValue) || !(run.Results[yKey] is Data.DoubleValue)) continue;
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140 | var x = ((Data.DoubleValue)run.Results[xKey]).Value;
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141 | var y = ((Data.DoubleValue)run.Results[yKey]).Value;
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142 | var dataPoint = new DataPoint(x, y) {
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143 | Label = run.Name,
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144 | };
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145 | IItem item;
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146 | if (maxSize > minSize && run.Results.TryGetValue(size, out item)) {
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147 | var dItem = item as Data.DoubleValue;
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148 | if (dItem != null) {
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149 | if (double.IsNaN(dItem.Value))
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150 | dataPoint.MarkerSize = 1;
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151 | else {
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152 | if (invProp) dataPoint.MarkerSize = (int)Math.Round(5 + 15 * (maxSize - dItem.Value) / (maxSize - minSize));
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153 | else dataPoint.MarkerSize = (int)Math.Round(5 + 15 * (dItem.Value - minSize) / (maxSize - minSize));
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154 | }
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155 | }
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156 | } else if (maxSize == minSize) {
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157 | dataPoint.MarkerSize = instancesSeries.MarkerSize;
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158 | } else dataPoint.MarkerSize = 1;
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159 |
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160 | if (Content.IsCurrentInstance(run)) currentInstanceSeries.Points.Add(dataPoint);
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161 | else instancesSeries.Points.Add(dataPoint);
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162 | }
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163 | }
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164 |
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165 | #region Control Event Handlers
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166 | private void ProjectionComboBoxOnSelectedIndexChanged(object sender, EventArgs e) {
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167 | UpdateProjection();
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168 | }
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169 |
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170 | private void SizeComboBoxOnSelectedIndexChanged(object sender, EventArgs e) {
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171 | UpdateProjection();
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172 | }
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173 |
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174 | private void InvPropCheckBoxOnCheckedChanged(object sender, EventArgs e) {
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175 | UpdateProjection();
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176 | }
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177 | #endregion
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178 | }
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179 | }
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