[13672] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16140] | 3 | * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[13672] | 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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[15203] | 21 |
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[13672] | 22 | using System;
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[13620] | 23 | using System.Linq;
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[15203] | 24 | using HeuristicLab.Analysis;
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| 25 | using HeuristicLab.Common;
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[13672] | 26 | using HeuristicLab.Core.Views;
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[13620] | 27 | using HeuristicLab.MainForm;
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[14132] | 28 | using HeuristicLab.Problems.TestFunctions.MultiObjective;
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[13620] | 29 |
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[14132] | 30 | namespace HeuristicLab.Problems.TestFunctions.Views {
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[13988] | 31 | [View("Scatter Plot")]
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[15203] | 32 | [Content(typeof(ParetoFrontScatterPlot))]
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| 33 | public partial class ParetoFrontScatterPlotView : ItemView {
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[13620] | 34 |
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[15203] | 35 | private readonly ScatterPlot scatterPlot;
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| 36 | private readonly ScatterPlotDataRow qualitiesRow;
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| 37 | private readonly ScatterPlotDataRow paretoFrontRow;
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| 38 |
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| 39 | private int oldObjectives = -1;
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| 40 | private int oldProblemSize = -1;
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| 41 |
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| 42 | private bool suppressEvents;
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| 43 |
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| 44 | public new ParetoFrontScatterPlot Content {
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| 45 | get { return (ParetoFrontScatterPlot)base.Content; }
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[13988] | 46 | set { base.Content = value; }
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| 47 | }
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[13620] | 48 |
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[15203] | 49 | public ParetoFrontScatterPlotView() {
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[13988] | 50 | InitializeComponent();
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[13620] | 51 |
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[15203] | 52 | scatterPlot = new ScatterPlot();
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[13620] | 53 |
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[15203] | 54 | qualitiesRow = new ScatterPlotDataRow("Qualities", string.Empty, Enumerable.Empty<Point2D<double>>()) {
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| 55 | VisualProperties = {
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| 56 | PointSize = 8 ,
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| 57 | PointStyle = ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Circle
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[13894] | 58 | }
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[15203] | 59 | };
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| 60 | scatterPlot.Rows.Add(qualitiesRow);
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[13672] | 61 |
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[15203] | 62 | paretoFrontRow = new ScatterPlotDataRow("Best Known Pareto Front", string.Empty, Enumerable.Empty<Point2D<double>>()) {
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| 63 | VisualProperties = {
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| 64 | PointSize = 4,
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| 65 | PointStyle = ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Square
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[13988] | 66 | }
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[15203] | 67 | };
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| 68 | scatterPlot.Rows.Add(paretoFrontRow);
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[13988] | 69 | }
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[13894] | 70 |
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[13988] | 71 | protected override void OnContentChanged() {
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| 72 | base.OnContentChanged();
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[13894] | 73 |
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[15203] | 74 | if (Content == null) {
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| 75 | scatterPlotView.Content = null;
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| 76 | xAxisComboBox.Items.Clear();
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| 77 | xAxisComboBox.SelectedIndex = -1;
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| 78 | yAxisComboBox.Items.Clear();
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| 79 | yAxisComboBox.SelectedIndex = -1;
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| 80 | return;
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[13988] | 81 | }
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[13894] | 82 |
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[15203] | 83 | scatterPlotView.Content = scatterPlot;
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[13620] | 84 |
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[15203] | 85 | if (oldObjectives != Content.Objectives || oldProblemSize != Content.ProblemSize)
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| 86 | UpdateAxisComboBoxes();
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[13620] | 87 |
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[15203] | 88 | UpdateChartData();
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[13620] | 89 |
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[15203] | 90 | oldObjectives = Content.Objectives;
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| 91 | oldProblemSize = Content.ProblemSize;
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| 92 | }
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[13620] | 93 |
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[15203] | 94 | private void UpdateChartData() {
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| 95 | if (InvokeRequired) {
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| 96 | Invoke((Action)UpdateChartData);
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| 97 | return;
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[13988] | 98 | }
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[13620] | 99 |
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[15203] | 100 | int xDimGlobal = xAxisComboBox.SelectedIndex;
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| 101 | int yDimGlobal = yAxisComboBox.SelectedIndex;
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[13725] | 102 |
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[15203] | 103 | qualitiesRow.Points.Replace(CreatePoints(Content.Qualities, Content.Solutions, xDimGlobal, yDimGlobal));
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[13620] | 104 |
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[15203] | 105 | paretoFrontRow.Points.Replace(CreatePoints(Content.ParetoFront, null, xDimGlobal, yDimGlobal));
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| 106 | paretoFrontRow.VisualProperties.IsVisibleInLegend = paretoFrontRow.Points.Count > 0; // hide if empty
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| 107 | }
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[13620] | 108 |
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[15203] | 109 | private void UpdateAxisComboBoxes() {
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| 110 | try {
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| 111 | suppressEvents = true;
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[13620] | 112 |
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[15203] | 113 | string prevSelectedX = (string)xAxisComboBox.SelectedItem;
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| 114 | string prevSelectedY = (string)yAxisComboBox.SelectedItem;
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[13620] | 115 |
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[15203] | 116 | xAxisComboBox.Items.Clear();
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| 117 | yAxisComboBox.Items.Clear();
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[13620] | 118 |
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[15203] | 119 | // Add Objectives first
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| 120 | for (int i = 0; i < Content.Objectives; i++) {
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| 121 | xAxisComboBox.Items.Add("Objective " + i);
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| 122 | yAxisComboBox.Items.Add("Objective " + i);
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| 123 | }
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[13620] | 124 |
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[15203] | 125 | // Add Problem Dimension
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| 126 | for (int i = 0; i < Content.ProblemSize; i++) {
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| 127 | xAxisComboBox.Items.Add("Problem Dimension " + i);
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| 128 | yAxisComboBox.Items.Add("Problem Dimension " + i);
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[13988] | 129 | }
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[13620] | 130 |
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[15203] | 131 | // Selection
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| 132 | int count = xAxisComboBox.Items.Count;
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| 133 | if (count > 0) {
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| 134 | if (prevSelectedX != null && xAxisComboBox.Items.Contains(prevSelectedX))
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| 135 | xAxisComboBox.SelectedItem = prevSelectedX;
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| 136 | else xAxisComboBox.SelectedIndex = 0;
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[13620] | 137 |
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[15203] | 138 | if (prevSelectedY != null && yAxisComboBox.Items.Contains(prevSelectedY))
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| 139 | yAxisComboBox.SelectedItem = prevSelectedY;
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| 140 | else yAxisComboBox.SelectedIndex = Math.Min(1, count - 1);
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| 141 | } else {
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| 142 | xAxisComboBox.SelectedIndex = -1;
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| 143 | yAxisComboBox.SelectedIndex = -1;
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[13894] | 144 | }
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[13672] | 145 |
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[15203] | 146 | UpdateAxisDescription();
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| 147 | } finally {
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| 148 | suppressEvents = false;
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[13988] | 149 | }
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| 150 | }
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[13672] | 151 |
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[15203] | 152 | private void UpdateAxisDescription() {
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| 153 | scatterPlot.VisualProperties.XAxisTitle = (string)xAxisComboBox.SelectedItem;
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| 154 | scatterPlot.VisualProperties.YAxisTitle = (string)yAxisComboBox.SelectedItem;
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[13988] | 155 | }
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[13672] | 156 |
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[15203] | 157 | private static Point2D<double>[] CreatePoints(double[][] qualities, double[][] solutions, int xDimGlobal, int yDimGlobal) {
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| 158 | if (qualities == null || qualities.Length == 0) return new Point2D<double>[0];
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[13620] | 159 |
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[15203] | 160 | int objectives = qualities[0].Length;
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[13620] | 161 |
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[15203] | 162 | // "Global" dimension index describes the index as if the qualities and solutions would be in a single array
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| 163 | // If the global dimension index is too long for the qualities, use solutions
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| 164 | var xDimArray = xDimGlobal < objectives ? qualities : solutions;
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| 165 | var yDimArray = yDimGlobal < objectives ? qualities : solutions;
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| 166 | var xDimIndex = xDimGlobal < objectives ? xDimGlobal : xDimGlobal - objectives;
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| 167 | var yDimIndex = yDimGlobal < objectives ? yDimGlobal : yDimGlobal - objectives;
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[13620] | 168 |
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[15203] | 169 | if (xDimArray == null || yDimArray == null)
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| 170 | return new Point2D<double>[0];
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[13620] | 171 |
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[15203] | 172 | var points = new Point2D<double>[xDimArray.Length];
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| 173 | for (int i = 0; i < xDimArray.Length; i++) {
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| 174 | points[i] = new Point2D<double>(xDimArray[i][xDimIndex], yDimArray[i][yDimIndex]);
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[13988] | 175 | }
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[15203] | 176 | return points;
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[13988] | 177 | }
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[13620] | 178 |
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[15203] | 179 | #region Event Handler
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| 180 | private void axisComboBox_SelectedIndexChanged(object sender, EventArgs e) {
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| 181 | if (suppressEvents) return;
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| 182 | UpdateAxisDescription();
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| 183 | UpdateChartData();
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[13620] | 184 | }
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[15203] | 185 | #endregion
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[13988] | 186 | }
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[15203] | 187 | } |
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