1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 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.Linq;
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25 | using System.Drawing;
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26 | using HeuristicLab.Common;
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27 | using HeuristicLab.Core;
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28 | using HeuristicLab.Data;
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29 | using HeuristicLab.Optimization;
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30 | using HeuristicLab.Parameters;
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31 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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32 | using HeuristicLab.PluginInfrastructure;
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33 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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34 |
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35 | namespace HeuristicLab.Problems.ArtificialAnt {
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36 | [Item("ArtificialAntProblem", "Represents the Artificial Ant problem.")]
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37 | [Creatable("Problems")]
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38 | [StorableClass]
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39 | public sealed class ArtificialAntProblem : ParameterizedNamedItem, ISingleObjectiveProblem {
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40 | public override Image ItemImage {
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41 | get { return HeuristicLab.Common.Resources.VS2008ImageLibrary.Type; }
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42 | }
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43 |
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44 | #region constant for default world (Santa Fe)
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45 | private readonly bool[,] santaFeAntTrail = new bool[,] {
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46 | {false, true, true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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47 | {false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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48 | {false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, true, true, false, false, false, false},
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49 | {false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, true, false, false},
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50 | {false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, true, false, false},
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51 | {false, false, false, true, true, true, true, false, true, true, true, true, true, false, false, false, false, false, false, false, false, true, true, false, false, false, false, false, false, false, false, false},
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52 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false},
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53 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false},
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54 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false},
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55 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, true, false, false},
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56 | {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false},
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57 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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58 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false},
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59 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false},
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60 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, true, true, true, false, false, false},
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61 | {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, true, false, false, false, false, false, false, false, false},
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62 | {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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63 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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64 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, true, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false},
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65 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, true, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false},
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66 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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67 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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68 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false},
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69 | {false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false},
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70 | {false, false, false, true, true, false, false, true, true, true, true, true, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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71 | {false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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72 | {false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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73 | {false, true, false, false, false, false, false, false, true, true, true, true, true, true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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74 | {false, true, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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75 | {false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false},
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76 | {false, false, true, true, true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false },
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77 | {false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false }
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78 | };
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79 | #endregion
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80 |
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81 | #region Parameter Properties
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82 | public ValueParameter<BoolValue> MaximizationParameter {
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83 | get { return (ValueParameter<BoolValue>)Parameters["Maximization"]; }
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84 | }
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85 | IParameter ISingleObjectiveProblem.MaximizationParameter {
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86 | get { return MaximizationParameter; }
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87 | }
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88 | public ValueParameter<SymbolicExpressionTreeCreator> SolutionCreatorParameter {
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89 | get { return (ValueParameter<SymbolicExpressionTreeCreator>)Parameters["SolutionCreator"]; }
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90 | }
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91 | IParameter IProblem.SolutionCreatorParameter {
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92 | get { return SolutionCreatorParameter; }
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93 | }
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94 | public ValueParameter<Evaluator> EvaluatorParameter {
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95 | get { return (ValueParameter<Evaluator>)Parameters["Evaluator"]; }
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96 | }
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97 | IParameter IProblem.EvaluatorParameter {
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98 | get { return EvaluatorParameter; }
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99 | }
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100 | public ValueParameter<ISymbolicExpressionGrammar> ArtificialAntExpressionGrammarParameter {
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101 | get { return (ValueParameter<ISymbolicExpressionGrammar>)Parameters["ArtificialAntExpressionGrammar"]; }
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102 | }
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103 | public ValueParameter<IntValue> MaxExpressionLengthParameter {
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104 | get { return (ValueParameter<IntValue>)Parameters["MaxExpressionLength"]; }
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105 | }
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106 | public ValueParameter<IntValue> MaxExpressionDepthParameter {
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107 | get { return (ValueParameter<IntValue>)Parameters["MaxExpressionDepth"]; }
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108 | }
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109 | public ValueParameter<IntValue> MaxFunctionDefinitionsParameter {
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110 | get { return (ValueParameter<IntValue>)Parameters["MaxFunctionDefinitions"]; }
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111 | }
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112 | public ValueParameter<IntValue> MaxFunctionArgumentsParameter {
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113 | get { return (ValueParameter<IntValue>)Parameters["MaxFunctionArguments"]; }
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114 | }
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115 | public ValueParameter<BoolMatrix> WorldParameter {
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116 | get { return (ValueParameter<BoolMatrix>)Parameters["World"]; }
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117 | }
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118 | public ValueParameter<IntValue> MaxTimeStepsParameter {
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119 | get { return (ValueParameter<IntValue>)Parameters["MaxTimeSteps"]; }
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120 | }
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121 |
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122 | public OptionalValueParameter<ISingleObjectiveSolutionsVisualizer> VisualizerParameter {
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123 | get { return (OptionalValueParameter<ISingleObjectiveSolutionsVisualizer>)Parameters["Visualizer"]; }
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124 | }
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125 | IParameter IProblem.VisualizerParameter {
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126 | get { return VisualizerParameter; }
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127 | }
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128 | public ValueParameter<DoubleValue> BestKnownQualityParameter {
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129 | get { return (ValueParameter<DoubleValue>)Parameters["BestKnownQuality"]; }
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130 | }
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131 | IParameter ISingleObjectiveProblem.BestKnownQualityParameter {
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132 | get { return BestKnownQualityParameter; }
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133 | }
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134 | #endregion
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135 |
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136 | #region Properties
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137 | public BoolMatrix World {
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138 | get { return WorldParameter.Value; }
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139 | set { WorldParameter.Value = value; }
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140 | }
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141 | public IntValue MaxTimeSteps {
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142 | get { return MaxTimeStepsParameter.Value; }
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143 | set { MaxTimeStepsParameter.Value = value; }
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144 | }
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145 | public IntValue MaxExpressionLength {
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146 | get { return MaxExpressionLengthParameter.Value; }
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147 | set { MaxExpressionLengthParameter.Value = value; }
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148 | }
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149 | public IntValue MaxExpressionDepth {
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150 | get { return MaxExpressionDepthParameter.Value; }
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151 | set { MaxExpressionDepthParameter.Value = value; }
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152 | }
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153 | public SymbolicExpressionTreeCreator SolutionCreator {
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154 | get { return SolutionCreatorParameter.Value; }
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155 | set { SolutionCreatorParameter.Value = value; }
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156 | }
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157 | ISolutionCreator IProblem.SolutionCreator {
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158 | get { return SolutionCreatorParameter.Value; }
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159 | }
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160 | public Evaluator Evaluator {
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161 | get { return EvaluatorParameter.Value; }
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162 | set { EvaluatorParameter.Value = value; }
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163 | }
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164 | ISingleObjectiveEvaluator ISingleObjectiveProblem.Evaluator {
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165 | get { return EvaluatorParameter.Value; }
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166 | }
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167 | IEvaluator IProblem.Evaluator {
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168 | get { return EvaluatorParameter.Value; }
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169 | }
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170 | public ISymbolicExpressionGrammar ArtificialAntExpressionGrammar {
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171 | get { return ArtificialAntExpressionGrammarParameter.Value; }
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172 | }
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173 | public ISingleObjectiveSolutionsVisualizer Visualizer {
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174 | get { return VisualizerParameter.Value; }
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175 | set { VisualizerParameter.Value = value; }
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176 | }
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177 | ISolutionsVisualizer IProblem.Visualizer {
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178 | get { return VisualizerParameter.Value; }
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179 | }
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180 | public DoubleValue BestKnownQuality {
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181 | get { return BestKnownQualityParameter.Value; }
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182 | }
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183 | private List<ISymbolicExpressionTreeOperator> operators;
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184 | public IEnumerable<IOperator> Operators {
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185 | get { return operators.Cast<IOperator>(); }
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186 | }
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187 | #endregion
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188 |
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189 | public ArtificialAntProblem()
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190 | : base() {
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191 | SymbolicExpressionTreeCreator creator = new ProbabilisticTreeCreator();
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192 | Evaluator evaluator = new Evaluator();
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193 | ArtificialAntExpressionGrammar grammar = new ArtificialAntExpressionGrammar();
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194 | BestAntTrailVisualizer visualizer = new BestAntTrailVisualizer();
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195 | BoolMatrix world = new BoolMatrix(santaFeAntTrail);
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196 | Parameters.Add(new ValueParameter<BoolValue>("Maximization", "Set to true as the Artificial Ant Problem is a maximization problem.", new BoolValue(true)));
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197 | Parameters.Add(new ValueParameter<SymbolicExpressionTreeCreator>("SolutionCreator", "The operator which should be used to create new artificial ant solutions.", creator));
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198 | Parameters.Add(new ValueParameter<Evaluator>("Evaluator", "The operator which should be used to evaluate artificial ant solutions.", evaluator));
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199 | Parameters.Add(new ValueParameter<DoubleValue>("BestKnownQuality", "The quality of the best known solution of this artificial ant instance.", new DoubleValue(89)));
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200 | Parameters.Add(new ValueParameter<ISymbolicExpressionGrammar>("ArtificialAntExpressionGrammar", "The grammar that should be used for artificial ant expressions.", grammar));
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201 | Parameters.Add(new ValueParameter<IntValue>("MaxExpressionLength", "Maximal length of the expression to control the artificial ant.", new IntValue(100)));
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202 | Parameters.Add(new ValueParameter<IntValue>("MaxExpressionDepth", "Maximal depth of the expression to control the artificial ant.", new IntValue(10)));
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203 | Parameters.Add(new ValueParameter<IntValue>("MaxFunctionDefinitions", "Maximal number of automatically defined functions in the expression to control the artificial ant.", new IntValue(3)));
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204 | Parameters.Add(new ValueParameter<IntValue>("MaxFunctionArguments", "Maximal number of arguments of automatically defined functions in the expression to control the artificial ant.", new IntValue(3)));
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205 | Parameters.Add(new ValueParameter<BoolMatrix>("World", "The world for the artificial ant with scattered food items.", world));
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206 | Parameters.Add(new ValueParameter<IntValue>("MaxTimeSteps", "The number of time steps the artificial ant has available to collect all food items.", new IntValue(600)));
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207 | Parameters.Add(new ValueParameter<ISingleObjectiveSolutionsVisualizer>("Visualizer", "The operator which should be used to visualize artificial ant solutions.", visualizer));
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208 |
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209 | creator.SymbolicExpressionTreeParameter.ActualName = "AntTrailSolution";
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210 | evaluator.QualityParameter.ActualName = "FoodEaten";
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211 | ParameterizeSolutionCreator();
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212 | ParameterizeEvaluator();
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213 | ParameterizeVisualizer();
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214 |
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215 | Initialize();
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216 | }
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217 |
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218 | [StorableConstructor]
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219 | private ArtificialAntProblem(bool deserializing) : base() { }
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220 |
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221 | public override IDeepCloneable Clone(Cloner cloner) {
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222 | ArtificialAntProblem clone = (ArtificialAntProblem)base.Clone(cloner);
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223 | clone.Initialize();
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224 | return clone;
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225 | }
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226 |
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227 | #region Events
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228 | public event EventHandler SolutionCreatorChanged;
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229 | private void OnSolutionCreatorChanged() {
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230 | var changed = SolutionCreatorChanged;
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231 | if (changed != null)
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232 | changed(this, EventArgs.Empty);
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233 | }
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234 | public event EventHandler EvaluatorChanged;
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235 | private void OnEvaluatorChanged() {
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236 | var changed = EvaluatorChanged;
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237 | if (changed != null)
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238 | changed(this, EventArgs.Empty);
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239 | }
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240 | public event EventHandler VisualizerChanged;
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241 | private void OnVisualizerChanged() {
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242 | var changed = VisualizerChanged;
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243 | if (changed != null)
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244 | changed(this, EventArgs.Empty);
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245 | }
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246 |
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247 | public event EventHandler OperatorsChanged;
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248 | private void OnOperatorsChanged() {
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249 | var changed = OperatorsChanged;
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250 | if (changed != null)
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251 | changed(this, EventArgs.Empty);
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252 | }
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253 |
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254 | private void SolutionCreatorParameter_ValueChanged(object sender, EventArgs e) {
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255 | SolutionCreator.SymbolicExpressionTreeParameter.ActualNameChanged += new EventHandler(SolutionCreator_SymbolicExpressionTreeParameter_ActualNameChanged);
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256 | ParameterizeSolutionCreator();
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257 | ParameterizeEvaluator();
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258 | ParameterizeVisualizer();
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259 | ParameterizeOperators();
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260 | OnSolutionCreatorChanged();
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261 | }
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262 | private void SolutionCreator_SymbolicExpressionTreeParameter_ActualNameChanged(object sender, EventArgs e) {
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263 | ParameterizeEvaluator();
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264 | ParameterizeVisualizer();
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265 | ParameterizeOperators();
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266 | }
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267 | private void EvaluatorParameter_ValueChanged(object sender, EventArgs e) {
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268 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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269 | ParameterizeEvaluator();
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270 | ParameterizeVisualizer();
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271 | OnEvaluatorChanged();
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272 | }
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273 |
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274 | private void VisualizerParameter_ValueChanged(object sender, EventArgs e) {
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275 | ParameterizeVisualizer();
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276 | OnVisualizerChanged();
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277 | }
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278 |
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279 | private void Evaluator_QualityParameter_ActualNameChanged(object sender, EventArgs e) {
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280 | ParameterizeVisualizer();
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281 | }
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282 |
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283 | #endregion
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284 |
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285 | #region Helpers
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286 | [StorableHook(HookType.AfterDeserialization)]
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287 | private void Initialize() {
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288 | InitializeOperators();
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289 | SolutionCreatorParameter.ValueChanged += new EventHandler(SolutionCreatorParameter_ValueChanged);
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290 | SolutionCreator.SymbolicExpressionTreeParameter.ActualNameChanged += new EventHandler(SolutionCreator_SymbolicExpressionTreeParameter_ActualNameChanged);
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291 | EvaluatorParameter.ValueChanged += new EventHandler(EvaluatorParameter_ValueChanged);
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292 | Evaluator.QualityParameter.ActualNameChanged += new EventHandler(Evaluator_QualityParameter_ActualNameChanged);
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293 | VisualizerParameter.ValueChanged += new EventHandler(VisualizerParameter_ValueChanged);
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294 | }
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295 |
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296 | private void InitializeOperators() {
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297 | operators = new List<ISymbolicExpressionTreeOperator>();
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298 | operators.AddRange(ApplicationManager.Manager.GetInstances<ISymbolicExpressionTreeOperator>());
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299 | ParameterizeOperators();
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300 | }
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301 |
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302 | private void ParameterizeSolutionCreator() {
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303 | SolutionCreator.SymbolicExpressionGrammarParameter.ActualName = ArtificialAntExpressionGrammarParameter.Name;
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304 | SolutionCreator.MaxTreeHeightParameter.ActualName = MaxExpressionDepthParameter.Name;
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305 | SolutionCreator.MaxTreeSizeParameter.ActualName = MaxExpressionLengthParameter.Name;
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306 | }
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307 | private void ParameterizeEvaluator() {
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308 | Evaluator.SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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309 | Evaluator.MaxTimeStepsParameter.ActualName = MaxTimeStepsParameter.Name;
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310 | Evaluator.WorldParameter.ActualName = WorldParameter.Name;
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311 | }
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312 | private void ParameterizeVisualizer() {
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313 | if (Visualizer != null) {
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314 | Visualizer.QualityParameter.ActualName = Evaluator.QualityParameter.ActualName;
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315 | var antTrailVisualizer = Visualizer as IAntTrailVisualizer;
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316 | if (antTrailVisualizer != null) {
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317 | antTrailVisualizer.SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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318 | antTrailVisualizer.WorldParameter.ActualName = WorldParameter.Name;
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319 | antTrailVisualizer.MaxTimeStepsParameter.ActualName = MaxTimeStepsParameter.Name;
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320 | }
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321 | var bestSymExpressionVisualizer = Visualizer as BestSymbolicExpressionTreeVisualizer;
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322 | if (bestSymExpressionVisualizer != null) {
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323 | bestSymExpressionVisualizer.SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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324 | }
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325 | }
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326 | }
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327 |
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328 | private void ParameterizeOperators() {
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329 | foreach (ISymbolicExpressionTreeOperator op in Operators.OfType<ISymbolicExpressionTreeOperator>()) {
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330 | op.MaxTreeHeightParameter.ActualName = MaxExpressionDepthParameter.Name;
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331 | op.MaxTreeSizeParameter.ActualName = MaxExpressionLengthParameter.Name;
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332 | op.SymbolicExpressionGrammarParameter.ActualName = ArtificialAntExpressionGrammarParameter.Name;
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333 | }
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334 | foreach (Evaluator op in Operators.OfType<Evaluator>()) {
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335 | op.SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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336 | op.MaxTimeStepsParameter.ActualName = MaxTimeStepsParameter.Name;
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337 | op.WorldParameter.ActualName = WorldParameter.Name;
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338 | }
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339 | foreach (SymbolicExpressionTreeCrossover op in Operators.OfType<SymbolicExpressionTreeCrossover>()) {
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340 | op.ParentsParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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341 | op.ChildParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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342 | }
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343 | foreach (SymbolicExpressionTreeManipulator op in Operators.OfType<SymbolicExpressionTreeManipulator>()) {
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344 | op.SymbolicExpressionTreeParameter.ActualName = SolutionCreator.SymbolicExpressionTreeParameter.ActualName;
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345 | }
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346 | foreach (SymbolicExpressionTreeArchitectureAlteringOperator op in Operators.OfType<SymbolicExpressionTreeArchitectureAlteringOperator>()) {
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347 | op.MaxFunctionDefiningBranchesParameter.ActualName = MaxFunctionDefinitionsParameter.Name;
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348 | op.MaxFunctionArgumentsParameter.ActualName = MaxFunctionArgumentsParameter.Name;
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349 | }
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350 | }
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351 |
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352 |
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353 | #endregion
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354 | }
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355 | }
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