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source: branches/histogram/HeuristicLab.Analysis/3.3/QualityAnalysis/QualityDistributionAnalyzer.cs @ 5994

Last change on this file since 5994 was 5994, checked in by abeham, 12 years ago

#1465

  • Added movie view for HistogramHistory
  • Added QualityDistributionAnalyzer for analyzing the development of the quality distributions in a population
  • Added AggregatedHistogramHistoryView for displaying a histogram of the accumulated data in a history
File size: 3.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System.Linq;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Operators;
27using HeuristicLab.Optimization;
28using HeuristicLab.Parameters;
29using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
30
31namespace HeuristicLab.Analysis.QualityAnalysis {
32  [Item("Quality Distribution Analyzer", "Analyzes the distribution of the quality values in that it adds a Histogram of them into the result collection.")]
33  [StorableClass]
34  public class QualityDistributionAnalyzer : SingleSuccessorOperator, IAnalyzer {
35
36    #region Parameter properties
37    public IScopeTreeLookupParameter<DoubleValue> QualityParameter {
38      get { return (IScopeTreeLookupParameter<DoubleValue>)Parameters["Quality"]; }
39    }
40    public IValueLookupParameter<ResultCollection> ResultsParameter {
41      get { return (IValueLookupParameter<ResultCollection>)Parameters["Results"]; }
42    }
43    public IValueParameter<StringValue> HistogramNameParameter {
44      get { return (IValueParameter<StringValue>)Parameters["HistogramName"]; }
45    }
46    #endregion
47
48    [StorableConstructor]
49    protected QualityDistributionAnalyzer(bool deserializing) : base(deserializing) { }
50    protected QualityDistributionAnalyzer(QualityDistributionAnalyzer original, Cloner cloner)
51      : base(original, cloner) {
52    }
53    public QualityDistributionAnalyzer()
54      : base() {
55      Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Quality", "The value which represents the quality of a solution."));
56      Parameters.Add(new ValueLookupParameter<ResultCollection>("Results", "The results collection where the analysis values should be stored."));
57      Parameters.Add(new ValueParameter<StringValue>("HistogramName", "The name of the histogram that gets injected in to the results collection.", new StringValue("QualityDistribution")));
58    }
59
60    public override IDeepCloneable Clone(Cloner cloner) {
61      return new QualityDistributionAnalyzer(this, cloner);
62    }
63
64    public override IOperation Apply() {
65      HistogramHistory qualityDistribution = null;
66      ResultCollection results = ResultsParameter.ActualValue;
67      string description = "Shows the quality distributions in the current population.";
68      string resultName = HistogramNameParameter.Value.Value;
69      if (results.ContainsKey(resultName)) {
70        qualityDistribution = results[resultName].Value as HistogramHistory;
71      } else {
72        qualityDistribution = new HistogramHistory();
73        results.Add(new Result(resultName, description, qualityDistribution));
74      }
75      Histogram histogram = new Histogram("History " + qualityDistribution.Count, description);
76      var qualities = QualityParameter.ActualValue;
77      histogram.Values.Clear();
78      histogram.Values.AddRange(qualities.Select(x => x.Value));
79      qualityDistribution.Add(histogram);
80
81      return base.Apply();
82    }
83  }
84}
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