[3408] | 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 | using System;
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| 22 | using System.Collections.Generic;
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| 23 | using System.Collections.Specialized;
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| 24 | using System.ComponentModel;
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| 25 | using System.Data;
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| 26 | using System.Drawing;
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| 27 | using System.Linq;
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| 28 | using System.Text;
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| 29 | using System.Windows.Forms;
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| 30 | using HeuristicLab.Common;
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| 31 | using HeuristicLab.MainForm;
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| 32 | using HeuristicLab.Problems.DataAnalysis;
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| 33 | using HeuristicLab.MainForm.WindowsForms;
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[3442] | 34 | using System.Windows.Forms.DataVisualization.Charting;
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[3408] | 35 |
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[3442] | 36 | namespace HeuristicLab.Problems.DataAnalysis.Views {
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[3408] | 37 | [View("Line Chart View")]
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| 38 | [Content(typeof(DataAnalysisSolution))]
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[3442] | 39 | public partial class LineChartView : AsynchronousContentView {
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| 40 | private const string TARGETVARIABLE_SERIES_NAME = "TargetVariable";
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| 41 | private const string ESTIMATEDVALUES_SERIES_NAME = "EstimatedValues";
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| 42 |
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| 43 | public new DataAnalysisSolution Content {
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| 44 | get { return (DataAnalysisSolution)base.Content; }
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| 45 | set {
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| 46 | base.Content = value;
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| 47 | }
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| 48 | }
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| 49 |
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[3408] | 50 | public LineChartView()
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| 51 | : base() {
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| 52 | InitializeComponent();
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| 53 | this.Caption = "Line Chart View";
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| 54 | //configure axis
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| 55 | this.chart.ChartAreas[0].CursorX.IsUserSelectionEnabled = true;
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| 56 | this.chart.ChartAreas[0].AxisX.ScaleView.Zoomable = true;
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[3707] | 57 | this.chart.ChartAreas[0].CursorX.Interval = 1;
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[3408] | 58 |
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| 59 | this.chart.ChartAreas[0].CursorY.IsUserSelectionEnabled = true;
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| 60 | this.chart.ChartAreas[0].AxisY.ScaleView.Zoomable = true;
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[3442] | 61 | this.chart.ChartAreas[0].CursorY.Interval = 0;
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[3408] | 62 | }
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| 63 |
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[3462] | 64 | private void RedrawChart() {
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[3442] | 65 | this.chart.Series.Clear();
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| 66 | this.chart.Series.Add(TARGETVARIABLE_SERIES_NAME);
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| 67 | this.chart.Series[TARGETVARIABLE_SERIES_NAME].LegendText = Content.ProblemData.TargetVariable.Value;
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| 68 | this.chart.Series[TARGETVARIABLE_SERIES_NAME].ChartType = SeriesChartType.FastLine;
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| 69 | this.chart.Series[TARGETVARIABLE_SERIES_NAME].Points.DataBindY(Content.ProblemData.Dataset[Content.ProblemData.TargetVariable.Value]);
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| 70 | this.UpdateStripLines();
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[3462] | 71 |
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| 72 | this.chart.Series.Add(ESTIMATEDVALUES_SERIES_NAME);
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| 73 | this.chart.Series[ESTIMATEDVALUES_SERIES_NAME].LegendText = Content.ItemName;
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| 74 | this.chart.Series[ESTIMATEDVALUES_SERIES_NAME].ChartType = SeriesChartType.FastLine;
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| 75 | this.chart.Series[ESTIMATEDVALUES_SERIES_NAME].Points.DataBindY(Content.EstimatedValues.ToArray());
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| 76 | this.chart.Series[ESTIMATEDVALUES_SERIES_NAME].Tag = Content;
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[3707] | 77 | UpdateCursorInterval();
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[3408] | 78 | }
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| 79 |
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[3707] | 80 | private void UpdateCursorInterval() {
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| 81 | var estimatedValues = this.chart.Series[ESTIMATEDVALUES_SERIES_NAME].Points.Select(x => x.YValues[0]).DefaultIfEmpty(1.0);
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| 82 | var targetValues = this.chart.Series[TARGETVARIABLE_SERIES_NAME].Points.Select(x => x.YValues[0]).DefaultIfEmpty(1.0);
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| 83 | double estimatedValuesRange = estimatedValues.Max() - estimatedValues.Min();
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| 84 | double targetValuesRange = targetValues.Max() - targetValues.Min();
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| 85 | double interestingValuesRange = Math.Min(Math.Max(targetValuesRange, 1.0), Math.Max(estimatedValuesRange, 1.0));
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| 86 | double digits = (int)Math.Log10(interestingValuesRange) - 3;
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| 87 | double yZoomInterval = Math.Max(Math.Pow(10, digits), 10E-5);
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| 88 | this.chart.ChartAreas[0].CursorY.Interval = yZoomInterval;
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| 89 | }
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| 90 |
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[3442] | 91 | #region events
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| 92 | protected override void RegisterContentEvents() {
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| 93 | base.RegisterContentEvents();
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[3462] | 94 | Content.EstimatedValuesChanged += new EventHandler(Content_EstimatedValuesChanged);
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[3442] | 95 | Content.ProblemDataChanged += new EventHandler(Content_ProblemDataChanged);
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[3408] | 96 | }
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| 97 |
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[3442] | 98 | protected override void DeregisterContentEvents() {
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| 99 | base.DeregisterContentEvents();
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[3462] | 100 | Content.EstimatedValuesChanged -= new EventHandler(Content_EstimatedValuesChanged);
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[3442] | 101 | Content.ProblemDataChanged -= new EventHandler(Content_ProblemDataChanged);
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[3408] | 102 | }
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| 103 |
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[3442] | 104 | void Content_ProblemDataChanged(object sender, EventArgs e) {
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[3462] | 105 | RedrawChart();
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[3408] | 106 | }
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| 107 |
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[3462] | 108 | void Content_EstimatedValuesChanged(object sender, EventArgs e) {
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| 109 | UpdateEstimatedValuesLineChart();
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[3442] | 110 | }
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| 111 |
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| 112 | protected override void OnContentChanged() {
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| 113 | base.OnContentChanged();
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[3462] | 114 | RedrawChart();
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[3442] | 115 | }
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| 116 |
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| 117 | private void UpdateEstimatedValuesLineChart() {
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| 118 | if (InvokeRequired) Invoke((Action)UpdateEstimatedValuesLineChart);
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| 119 | else {
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| 120 | if (this.chart.Series.Count > 0) {
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| 121 | Series s = this.chart.Series.SingleOrDefault(x => x.Tag == Content);
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| 122 | if (s != null) {
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| 123 | s.Points.DataBindY(Content.EstimatedValues.ToArray());
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| 124 | s.LegendText = Content.ItemName;
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| 125 | this.UpdateStripLines();
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[3707] | 126 | UpdateCursorInterval();
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[3442] | 127 | }
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[3408] | 128 | }
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| 129 | }
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| 130 | }
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[3442] | 131 | #endregion
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[3408] | 132 |
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| 133 | private void UpdateStripLines() {
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| 134 | this.chart.ChartAreas[0].AxisX.StripLines.Clear();
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[3442] | 135 | this.CreateAndAddStripLine("Training", Color.FromArgb(20, Color.Green),
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| 136 | Content.ProblemData.TrainingSamplesStart.Value,
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| 137 | Content.ProblemData.TrainingSamplesEnd.Value);
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| 138 | this.CreateAndAddStripLine("Test", Color.FromArgb(20, Color.Red),
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| 139 | Content.ProblemData.TestSamplesStart.Value,
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| 140 | Content.ProblemData.TestSamplesEnd.Value);
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[3408] | 141 | }
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| 142 |
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| 143 | private void CreateAndAddStripLine(string title, Color c, int start, int end) {
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| 144 | StripLine stripLine = new StripLine();
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| 145 | stripLine.BackColor = c;
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| 146 | stripLine.Text = title;
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| 147 | stripLine.Font = new Font("Times New Roman", 12, FontStyle.Bold);
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| 148 | stripLine.StripWidth = end - start;
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| 149 | stripLine.IntervalOffset = start;
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| 150 | this.chart.ChartAreas[0].AxisX.StripLines.Add(stripLine);
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| 151 | }
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| 152 | }
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| 153 | }
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