[13620] | 1 | using System;
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| 2 | using System.Collections.Generic;
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| 3 | using System.Drawing;
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| 4 | using System.Data;
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| 5 | using System.Linq;
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| 6 | using System.Text;
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| 7 | using System.Windows.Forms;
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| 8 | using HeuristicLab.MainForm;
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| 9 | using System.Windows.Forms.DataVisualization.Charting;
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| 10 | using HeuristicLab.Encodings.RealVectorEncoding;
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| 11 |
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| 12 | namespace HeuristicLab.Problems.MultiObjectiveTestFunctions.Drawings {
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| 13 | [View("Scatter Plot")]
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| 14 | [Content(typeof(IMOQualities))]
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| 15 | public partial class MOQualitiesScatterPlotView : MOQualitiesView {
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| 16 |
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| 17 | private const string QUALITIES = "Qualities";
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| 18 | private const string PARETO_FRONT = "Best Known Pareto Front";
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| 19 | //private const string TEST_SERIES = "Test samples";
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| 20 | private int xDim = 0;
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| 21 | private int yDim = 1;
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| 22 | int objectives = -1;
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| 23 | bool optimalKnown = true;
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| 24 |
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| 25 | public new IMOQualities Content {
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| 26 | get { return (IMOQualities)base.Content; }
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| 27 | set { base.Content = value; }
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| 28 | }
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| 29 |
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| 30 | public MOQualitiesScatterPlotView()
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| 31 | : base() {
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| 32 | InitializeComponent();
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| 33 |
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| 34 | this.chart.Series.Add(QUALITIES);
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| 35 | this.chart.Series[QUALITIES].LegendText = QUALITIES;
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| 36 | this.chart.Series[QUALITIES].ChartType = SeriesChartType.FastPoint;
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| 37 |
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| 38 | this.chart.Series.Add(PARETO_FRONT);
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| 39 | this.chart.Series[PARETO_FRONT].LegendText = PARETO_FRONT;
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| 40 | this.chart.Series[PARETO_FRONT].ChartType = SeriesChartType.FastPoint;
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| 41 |
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| 42 | this.chart.TextAntiAliasingQuality = TextAntiAliasingQuality.High;
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| 43 | this.chart.AxisViewChanged += new EventHandler<System.Windows.Forms.DataVisualization.Charting.ViewEventArgs>(chart_AxisViewChanged);
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| 44 |
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| 45 | //configure axis
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| 46 | this.chart.CustomizeAllChartAreas();
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| 47 | this.chart.ChartAreas[0].AxisX.Title = "XAxis: Objective " + xDim;
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| 48 | this.chart.ChartAreas[0].CursorX.IsUserSelectionEnabled = true;
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| 49 | this.chart.ChartAreas[0].AxisX.ScaleView.Zoomable = true;
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| 50 | this.chart.ChartAreas[0].CursorX.Interval = 1;
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| 51 | this.chart.ChartAreas[0].CursorY.Interval = 1;
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| 52 |
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| 53 | this.chart.ChartAreas[0].AxisY.Title = "YAxis: Objective " + yDim;
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| 54 | this.chart.ChartAreas[0].CursorY.IsUserSelectionEnabled = true;
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| 55 | this.chart.ChartAreas[0].AxisY.ScaleView.Zoomable = true;
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| 56 | this.chart.ChartAreas[0].AxisY.IsStartedFromZero = true;
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| 57 | }
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| 58 |
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| 59 | protected override void RegisterContentEvents() {
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| 60 | base.RegisterContentEvents();
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| 61 | this.chart.GetToolTipText += new System.EventHandler<ToolTipEventArgs>(this.Chart_GetToolTipText);
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| 62 |
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| 63 | }
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| 64 | protected override void DeregisterContentEvents() {
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| 65 | base.DeregisterContentEvents();
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| 66 | this.chart.GetToolTipText -= new System.EventHandler<ToolTipEventArgs>(this.Chart_GetToolTipText);
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| 67 | }
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| 68 |
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| 69 |
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| 70 | private void Chart_GetToolTipText(object sender, ToolTipEventArgs e) {
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| 71 |
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| 72 | // Check selected chart element and set tooltip text
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| 73 | if (e.HitTestResult.ChartElementType == ChartElementType.DataPoint) {
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| 74 | int i = e.HitTestResult.PointIndex;
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| 75 | StringBuilder toolTippText = new StringBuilder();
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| 76 | DataPoint qp = e.HitTestResult.Series.Points[i];
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| 77 | toolTippText.Append("Objective " + xDim + " = " + qp.XValue+ "\n");
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| 78 | toolTippText.Append("Objective " + yDim + " = " + qp.YValues[0]);
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| 79 |
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| 80 | Series s = e.HitTestResult.Series;
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| 81 | if (s.Equals(this.chart.Series[QUALITIES])) {
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| 82 | RealVector dp = Content.Solutions[i].RealVector();
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| 83 | toolTippText.Append("\nSolution: {");
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| 84 | for (int j = 0; j < dp.Length; j++) {
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| 85 | toolTippText.Append(dp[j]);
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| 86 | toolTippText.Append(";");
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| 87 | }
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| 88 | toolTippText.Remove(toolTippText.Length - 1, 1);
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| 89 | toolTippText.Append("}");
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| 90 | e.Text = toolTippText.ToString();
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| 91 | }
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| 92 |
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| 93 |
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| 94 | }
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| 95 | }
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| 96 |
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| 97 | protected override void OnContentChanged() {
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| 98 | base.OnContentChanged();
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| 99 | if (Content == null) return;
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| 100 | if (objectives != Content.Objectives) {
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| 101 | AddMenuItems();
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| 102 | objectives = Content.Objectives;
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| 103 | }
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| 104 | if(Content.ParetoFront == null && optimalKnown) {
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| 105 | Series s = this.chart.Series[PARETO_FRONT];
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| 106 | this.chart.Series.Remove(s);
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| 107 | optimalKnown = false;
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| 108 | } else if(Content.ParetoFront != null && !optimalKnown) {
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| 109 | this.chart.Series.Add(PARETO_FRONT);
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| 110 | this.chart.Series[PARETO_FRONT].LegendText = PARETO_FRONT;
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| 111 | this.chart.Series[PARETO_FRONT].ChartType = SeriesChartType.FastPoint;
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| 112 | optimalKnown = true;
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| 113 | }
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| 114 | UpdateChart();
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| 115 | }
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| 116 |
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| 117 | private void UpdateChart() {
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| 118 | if (InvokeRequired) Invoke((Action)UpdateChart);
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| 119 | else {
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| 120 | if (Content != null) {
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| 121 | this.UpdateSeries();
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| 122 | if (!this.chart.Series.Any(s => s.Points.Count > 0))
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| 123 | this.ClearChart();
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| 124 | }
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| 125 | }
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| 126 | }
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| 127 |
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| 128 | private void UpdateCursorInterval() {
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| 129 | var estimatedValues = this.chart.Series[QUALITIES].Points.Select(x => x.XValue).DefaultIfEmpty(1.0);
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| 130 | var targetValues = this.chart.Series[QUALITIES].Points.Select(x => x.YValues[0]).DefaultIfEmpty(1.0);
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| 131 | double estimatedValuesRange = estimatedValues.Max() - estimatedValues.Min();
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| 132 | double targetValuesRange = targetValues.Max() - targetValues.Min();
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| 133 | double interestingValuesRange = Math.Min(Math.Max(targetValuesRange, 1.0), Math.Max(estimatedValuesRange, 1.0));
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| 134 | double digits = (int)Math.Log10(interestingValuesRange) - 3;
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| 135 | double zoomInterval = Math.Max(Math.Pow(10, digits), 10E-5);
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| 136 | this.chart.ChartAreas[0].CursorX.Interval = zoomInterval;
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| 137 | this.chart.ChartAreas[0].CursorY.Interval = zoomInterval;
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| 138 |
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| 139 | this.chart.ChartAreas[0].AxisX.ScaleView.SmallScrollSize = zoomInterval;
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| 140 | this.chart.ChartAreas[0].AxisY.ScaleView.SmallScrollSize = zoomInterval;
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| 141 |
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| 142 | this.chart.ChartAreas[0].AxisX.ScaleView.SmallScrollMinSizeType = DateTimeIntervalType.Number;
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| 143 | this.chart.ChartAreas[0].AxisX.ScaleView.SmallScrollMinSize = zoomInterval;
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| 144 | this.chart.ChartAreas[0].AxisY.ScaleView.SmallScrollMinSizeType = DateTimeIntervalType.Number;
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| 145 | this.chart.ChartAreas[0].AxisY.ScaleView.SmallScrollMinSize = zoomInterval;
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| 146 |
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| 147 | if (digits < 0) {
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| 148 | this.chart.ChartAreas[0].AxisX.LabelStyle.Format = "F" + (int)Math.Abs(digits);
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| 149 | this.chart.ChartAreas[0].AxisY.LabelStyle.Format = "F" + (int)Math.Abs(digits);
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| 150 | } else {
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| 151 | this.chart.ChartAreas[0].AxisX.LabelStyle.Format = "F0";
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| 152 | this.chart.ChartAreas[0].AxisY.LabelStyle.Format = "F0";
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| 153 | }
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| 154 | }
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| 155 |
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| 156 |
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| 157 | private double max = 1;
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| 158 | private double min = 0;
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| 159 | private void UpdateSeries() {
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| 160 | if (InvokeRequired) Invoke((Action)UpdateSeries);
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| 161 | else {
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| 162 | this.max = 1;
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| 163 | this.min = 0;
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| 164 |
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| 165 | if (this.chart.Series[QUALITIES].Points.Count > 0 ) {
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| 166 | fillSeries(Content.Qualities, this.chart.Series[QUALITIES]);
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| 167 | }
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| 168 | if (optimalKnown && this.chart.Series[PARETO_FRONT].Points.Count > 0) {
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| 169 | fillSeries(Content.ParetoFront, this.chart.Series[PARETO_FRONT]);
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| 170 | }
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| 171 |
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| 172 | // double max = this.max;
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| 173 | // double min = this.min;
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| 174 |
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| 175 | max = max + 0.2 * Math.Abs(max);
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| 176 | min = min - 0.2 * Math.Abs(min);
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| 177 |
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| 178 | double interestingValuesRange = max - min;
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| 179 | int digits = Math.Max(0, 3 - (int)Math.Log10(interestingValuesRange));
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| 180 |
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| 181 | max = Math.Round(max, digits);
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| 182 | min = Math.Round(min, digits);
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| 183 |
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| 184 | this.chart.ChartAreas[0].AxisX.Maximum = max;
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| 185 | this.chart.ChartAreas[0].AxisX.Minimum = min;
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| 186 | this.chart.ChartAreas[0].AxisY.Maximum = max;
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| 187 | this.chart.ChartAreas[0].AxisY.Minimum = min;
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| 188 | UpdateCursorInterval();
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| 189 | }
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| 190 | }
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| 191 |
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| 192 | private void ClearChart() {
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| 193 | this.chart.Series[QUALITIES].Points.Clear();
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| 194 | if(optimalKnown) this.chart.Series[PARETO_FRONT].Points.Clear();
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| 195 | }
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| 196 |
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| 197 | private void ToggleSeriesData(Series series) {
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| 198 | if (series.Points.Count > 0) { //checks if series is shown
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| 199 | series.Points.Clear();
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| 200 | } else if (Content != null) {
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| 201 | switch (series.Name) {
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| 202 | case PARETO_FRONT:
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| 203 | fillSeries(Content.ParetoFront, this.chart.Series[PARETO_FRONT]);
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| 204 | break;
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| 205 | case QUALITIES:
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| 206 | fillSeries(Content.Qualities, this.chart.Series[QUALITIES]);
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| 207 | break;
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| 208 | }
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| 209 | }
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| 210 | }
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| 211 |
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| 212 | private void chart_MouseDown(object sender, MouseEventArgs e) {
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| 213 | HitTestResult result = chart.HitTest(e.X, e.Y);
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| 214 | if (result.ChartElementType == ChartElementType.LegendItem) {
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| 215 | this.ToggleSeriesData(result.Series);
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| 216 | }
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| 217 |
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| 218 | }
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| 219 |
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| 220 | private void chart_MouseMove(object sender, MouseEventArgs e) {
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| 221 | HitTestResult result = chart.HitTest(e.X, e.Y);
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| 222 | if (result.ChartElementType == ChartElementType.LegendItem)
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| 223 | this.Cursor = Cursors.Hand;
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| 224 | else
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| 225 | this.Cursor = Cursors.Default;
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| 226 | }
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| 227 |
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| 228 | private void chart_AxisViewChanged(object sender, System.Windows.Forms.DataVisualization.Charting.ViewEventArgs e) {
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| 229 | this.chart.ChartAreas[0].AxisX.ScaleView.Size = e.NewSize;
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| 230 | this.chart.ChartAreas[0].AxisY.ScaleView.Size = e.NewSize;
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| 231 | }
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| 232 |
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| 233 | private void chart_CustomizeLegend(object sender, CustomizeLegendEventArgs e) {
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| 234 | e.LegendItems[0].Cells[1].ForeColor = this.chart.Series[QUALITIES].Points.Count == 0 ? Color.Gray : Color.Black;
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| 235 | if (optimalKnown) {
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| 236 | e.LegendItems[1].Cells[1].ForeColor = this.chart.Series[PARETO_FRONT].Points.Count == 0 ? Color.Gray : Color.Black;
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| 237 | }
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| 238 | // e.LegendItems[2].Cells[1].ForeColor = this.chart.Series[TEST_SERIES].Points.Count == 0 ? Color.Gray : Color.Black;
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| 239 | }
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| 240 |
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| 241 | private void AddMenuItems() {
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| 242 | chooseDimensionToolStripMenuItem.DropDownItems.Clear();
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| 243 | chooseYDimensionToolStripMenuItem.DropDownItems.Clear();
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| 244 | if (Content == null) { return; }
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| 245 | for (int i = 0; i < Content.Objectives; i++) {
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| 246 | //add Menu Points
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| 247 | ToolStripMenuItem xItem = makeMenuItem("X", i);
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| 248 | ToolStripMenuItem yItem = makeMenuItem("Y", i); ;
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| 249 | xItem.Click += new System.EventHandler(this.XMenu_Click);
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| 250 | yItem.Click += new System.EventHandler(this.YMenu_Click);
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| 251 | chooseDimensionToolStripMenuItem.DropDownItems.Add(xItem);
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| 252 | chooseYDimensionToolStripMenuItem.DropDownItems.Add(yItem);
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| 253 | }
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| 254 | }
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| 255 |
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| 256 | private ToolStripMenuItem makeMenuItem(String axis, int i) {
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| 257 | ToolStripMenuItem xItem = new ToolStripMenuItem();
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| 258 | xItem.Name = "obj" + i;
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| 259 | xItem.Size = new System.Drawing.Size(269, 38);
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| 260 | xItem.Text = "Objective" + i;
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| 261 | return xItem;
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| 262 | }
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| 263 |
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| 264 | private void YMenu_Click(object sender, EventArgs e) {
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| 265 | ToolStripMenuItem item = (ToolStripMenuItem)sender;
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| 266 | yDim = Int32.Parse(item.Name.Remove(0, 3));
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| 267 | this.chooseYDimensionToolStripMenuItem.Text = "Objective" + yDim;
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| 268 | this.chart.ChartAreas[0].AxisY.Title = "Objective " + yDim;
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| 269 | UpdateChart();
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| 270 | }
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| 271 |
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| 272 | private void XMenu_Click(object sender, EventArgs e) {
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| 273 | ToolStripMenuItem item = (ToolStripMenuItem)sender;
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| 274 | xDim = Int32.Parse(item.Name.Remove(0, 3));
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| 275 | this.chooseDimensionToolStripMenuItem.Text = "Objective" + xDim;
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| 276 | this.chart.ChartAreas[0].AxisX.Title = "Objective " + xDim;
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| 277 | UpdateChart();
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| 278 | }
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| 279 |
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| 280 | private void fillSeries(IEnumerable<double[]> data, Series series) {
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| 281 | series.Points.Clear();
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| 282 | foreach (double[] d in data) { //Assumtion: Columnwise
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| 283 | if (d[xDim] > max) max = d[xDim];
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| 284 | if (d[yDim] > max) max = d[yDim];
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| 285 | if (d[xDim] < min) min = d[xDim];
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| 286 | if (d[yDim] < min) min = d[yDim];
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| 287 | series.Points.AddXY(d[xDim], d[yDim]);
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| 288 | }
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| 289 | }
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| 290 | }
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| 291 | }
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| 292 |
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