[13817] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2016 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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[13828] | 22 | using System;
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[13817] | 23 | using System.Collections.Generic;
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[13850] | 24 | using System.Drawing;
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[13808] | 25 | using System.Linq;
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[13843] | 26 | using System.Threading.Tasks;
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[13808] | 27 | using System.Windows.Forms;
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| 28 | using HeuristicLab.Common;
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| 29 | using HeuristicLab.MainForm;
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[13843] | 30 | using HeuristicLab.Visualization.ChartControlsExtensions;
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[13808] | 31 |
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| 32 | namespace HeuristicLab.Problems.DataAnalysis.Views {
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[14014] | 33 | [View("Target Response Gradients")]
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[13808] | 34 | [Content(typeof(IRegressionSolution))]
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| 35 | public partial class RegressionSolutionTargetResponseGradientView : DataAnalysisSolutionEvaluationView {
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[13850] | 36 | private readonly Dictionary<string, GradientChart> gradientCharts;
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| 37 | private readonly Dictionary<string, DensityChart> densityCharts;
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| 38 | private readonly Dictionary<string, Panel> groupingPanels;
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| 39 |
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[13831] | 40 | private const int Points = 200;
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[13995] | 41 | private int MaxColumns = 4;
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[13808] | 42 |
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[13850] | 43 | private IEnumerable<string> VisibleVariables {
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| 44 | get {
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| 45 | foreach (ListViewItem item in variableListView.CheckedItems)
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| 46 | yield return item.Text;
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| 47 | }
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[13843] | 48 | }
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[13850] | 49 | private IEnumerable<GradientChart> VisibleGradientCharts {
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| 50 | get { return VisibleVariables.Select(v => gradientCharts[v]); }
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| 51 | }
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| 52 | private IEnumerable<DensityChart> VisibleDensityCharts {
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| 53 | get { return VisibleVariables.Select(v => densityCharts[v]); }
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| 54 | }
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| 55 | private IEnumerable<Panel> VisibleChartsPanels {
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| 56 | get { return VisibleVariables.Select(v => groupingPanels[v]); }
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| 57 | }
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[13843] | 58 |
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[13808] | 59 | public RegressionSolutionTargetResponseGradientView() {
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| 60 | InitializeComponent();
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[13850] | 61 | gradientCharts = new Dictionary<string, GradientChart>();
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| 62 | densityCharts = new Dictionary<string, DensityChart>();
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| 63 | groupingPanels = new Dictionary<string, Panel>();
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[13846] | 64 |
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| 65 | limitView.Content = new DoubleLimit(0, 1);
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[14021] | 66 | limitView.Content.ValueChanged += limit_ValueChanged;
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[13850] | 67 |
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[14021] | 68 | densityComboBox.SelectedIndex = 1; // select Training
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| 69 |
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[13850] | 70 | // Avoid additional horizontal scrollbar
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| 71 | var vertScrollWidth = SystemInformation.VerticalScrollBarWidth;
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| 72 | scrollPanel.Padding = new Padding(0, 0, vertScrollWidth, 0);
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| 73 | scrollPanel.AutoScroll = true;
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[13808] | 74 | }
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| 75 |
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| 76 | public new IRegressionSolution Content {
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| 77 | get { return (IRegressionSolution)base.Content; }
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[13831] | 78 | set { base.Content = value; }
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[13808] | 79 | }
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| 80 |
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| 81 | protected override void RegisterContentEvents() {
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| 82 | base.RegisterContentEvents();
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[13995] | 83 | Content.ModelChanged += solution_ModelChanged;
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[13808] | 84 | }
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| 85 |
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| 86 | protected override void DeregisterContentEvents() {
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[13995] | 87 | Content.ModelChanged -= solution_ModelChanged;
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[13808] | 88 | base.DeregisterContentEvents();
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| 89 | }
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| 90 |
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| 91 | protected override void OnContentChanged() {
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| 92 | base.OnContentChanged();
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[13817] | 93 | if (Content == null) return;
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[13831] | 94 | var problemData = Content.ProblemData;
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[13846] | 95 |
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| 96 | // Init Y-axis range
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| 97 | double min = double.MaxValue, max = double.MinValue;
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| 98 | var trainingTarget = problemData.Dataset.GetDoubleValues(problemData.TargetVariable, problemData.TrainingIndices);
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| 99 | foreach (var t in trainingTarget) {
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| 100 | if (t < min) min = t;
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| 101 | if (t > max) max = t;
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| 102 | }
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| 103 | double range = max - min;
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| 104 | const double scale = 1.0 / 3.0;
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| 105 | double axisMin, axisMax, axisInterval;
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| 106 | ChartUtil.CalculateAxisInterval(min - scale * range, max + scale * range, 5, out axisMin, out axisMax, out axisInterval);
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| 107 | automaticYAxisCheckBox.Checked = false;
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| 108 | limitView.ReadOnly = false;
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| 109 | limitView.Content.Lower = axisMin;
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| 110 | limitView.Content.Upper = axisMax;
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| 111 |
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[13828] | 112 | // create dataset
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[13845] | 113 | var allowedInputVariables = Content.ProblemData.AllowedInputVariables;
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| 114 | var variableValues = allowedInputVariables.Select(x => new List<double> { problemData.Dataset.GetDoubleValues(x, problemData.TrainingIndices).Median() });
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| 115 | var sharedFixedVariables = new ModifiableDataset(allowedInputVariables, variableValues);
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[13850] | 116 |
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| 117 | // create controls
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| 118 | gradientCharts.Clear();
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| 119 | densityCharts.Clear();
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| 120 | groupingPanels.Clear();
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[13845] | 121 | foreach (var variableName in allowedInputVariables) {
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[13850] | 122 | var gradientChart = CreateGradientChart(variableName, sharedFixedVariables);
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| 123 | gradientCharts.Add(variableName, gradientChart);
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| 124 |
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| 125 | var densityChart = new DensityChart() {
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| 126 | Anchor = AnchorStyles.Left | AnchorStyles.Top | AnchorStyles.Right,
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| 127 | Margin = Padding.Empty,
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| 128 | Height = 12,
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[14131] | 129 | Visible = false,
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| 130 | Top = (int)(gradientChart.Height * 0.1),
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[13850] | 131 | };
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| 132 | densityCharts.Add(variableName, densityChart);
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| 133 |
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[14089] | 134 | gradientChart.ZoomChanged += (o, e) => {
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| 135 | var gradient = (GradientChart)o;
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| 136 | var density = densityCharts[gradient.FreeVariable];
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| 137 | density.Visible = densityComboBox.SelectedIndex != 0 && !gradient.IsZoomed;
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| 138 | if (density.Visible)
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| 139 | UpdateDensityChart(density, gradient.FreeVariable);
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| 140 | };
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[14131] | 141 | gradientChart.SizeChanged += (o, e) => {
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| 142 | var gradient = (GradientChart)o;
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| 143 | var density = densityCharts[gradient.FreeVariable];
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| 144 | density.Top = (int)(gradient.Height * 0.1);
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| 145 | };
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[14089] | 146 |
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[14158] | 147 | // Initially, the inner plot areas are not initialized for hidden charts (scollpanel, ...)
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| 148 | // This event handler listens for the paint event once (where everything is already initialized) to do some manual layouting.
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| 149 | gradientChart.ChartPostPaint += OnGradientChartOnChartPostPaint;
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| 150 |
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[13850] | 151 | var panel = new Panel() {
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[13820] | 152 | Dock = DockStyle.Fill,
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| 153 | Margin = Padding.Empty,
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[13850] | 154 | BackColor = Color.White
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[13820] | 155 | };
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[13843] | 156 |
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[13850] | 157 | panel.Controls.Add(densityChart);
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| 158 | panel.Controls.Add(gradientChart);
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| 159 | groupingPanels.Add(variableName, panel);
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[13808] | 160 | }
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[13850] | 161 |
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[13828] | 162 | // update variable list
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[14021] | 163 | variableListView.ItemChecked -= variableListView_ItemChecked;
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[13828] | 164 | variableListView.Items.Clear();
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[13845] | 165 | foreach (var variable in allowedInputVariables)
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| 166 | variableListView.Items.Add(key: variable, text: variable, imageIndex: 0);
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| 167 |
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[13948] | 168 | foreach (var variable in Content.Model.VariablesUsedForPrediction)
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[13845] | 169 | variableListView.Items[variable].Checked = true;
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[14021] | 170 | variableListView.ItemChecked += variableListView_ItemChecked;
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| 171 |
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| 172 | RecalculateAndRelayoutCharts();
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[13808] | 173 | }
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[14021] | 174 |
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[14158] | 175 | private void OnGradientChartOnChartPostPaint(object o, EventArgs e) {
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| 176 | var gradient = (GradientChart)o;
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| 177 | var density = densityCharts[gradient.FreeVariable];
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| 178 |
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| 179 | density.Width = gradient.Width;
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| 180 |
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| 181 | var gcPlotPosition = gradient.InnerPlotPosition;
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| 182 | density.Left = (int)(gcPlotPosition.X / 100.0 * gradient.Width);
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| 183 | density.Width = (int)(gcPlotPosition.Width / 100.0 * gradient.Width);
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| 184 | gradient.UpdateTitlePosition();
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| 185 |
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| 186 | // removed after succesful layouting due to performance reasons
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| 187 | if (gcPlotPosition.Width != 0)
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| 188 | gradient.ChartPostPaint -= OnGradientChartOnChartPostPaint;
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| 189 | }
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| 190 |
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[14021] | 191 | private async void RecalculateAndRelayoutCharts() {
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| 192 | foreach (var variable in VisibleVariables) {
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| 193 | var gradientChart = gradientCharts[variable];
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| 194 | await gradientChart.RecalculateAsync();
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| 195 | }
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| 196 | gradientChartTableLayout.SuspendLayout();
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| 197 | SetupYAxis();
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| 198 | ReOrderControls();
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| 199 | SetStyles();
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| 200 | gradientChartTableLayout.ResumeLayout();
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| 201 | gradientChartTableLayout.Refresh();
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| 202 | foreach (var variable in VisibleVariables) {
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| 203 | var densityChart = densityCharts[variable];
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| 204 | UpdateDensityChart(densityChart, variable);
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| 205 | }
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| 206 | }
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[13850] | 207 | private GradientChart CreateGradientChart(string variableName, ModifiableDataset sharedFixedVariables) {
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| 208 | var gradientChart = new GradientChart {
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| 209 | Dock = DockStyle.Fill,
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| 210 | Margin = Padding.Empty,
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| 211 | ShowLegend = false,
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| 212 | ShowCursor = true,
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[13855] | 213 | ShowConfigButton = false,
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[13850] | 214 | YAxisTicks = 5,
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| 215 | };
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| 216 | gradientChart.VariableValueChanged += async (o, e) => {
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| 217 | var recalculations = VisibleGradientCharts.Except(new[] { (GradientChart)o }).Select(async chart => {
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| 218 | await chart.RecalculateAsync(updateOnFinish: false, resetYAxis: false);
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| 219 | }).ToList();
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| 220 | await Task.WhenAll(recalculations);
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[13843] | 221 |
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[13850] | 222 | if (recalculations.All(t => t.IsCompleted))
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| 223 | SetupYAxis();
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| 224 | };
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| 225 | gradientChart.Configure(new[] { Content }, sharedFixedVariables, variableName, Points);
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[13995] | 226 | gradientChart.SolutionAdded += gradientChart_SolutionAdded;
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| 227 | gradientChart.SolutionRemoved += gradientChart_SolutionRemoved;
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[13850] | 228 | return gradientChart;
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| 229 | }
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| 230 |
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[13846] | 231 | private void SetupYAxis() {
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| 232 | double axisMin, axisMax;
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| 233 | if (automaticYAxisCheckBox.Checked) {
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| 234 | double min = double.MaxValue, max = double.MinValue;
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[13850] | 235 | foreach (var chart in VisibleGradientCharts) {
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[13846] | 236 | if (chart.YMin < min) min = chart.YMin;
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| 237 | if (chart.YMax > max) max = chart.YMax;
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| 238 | }
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| 239 |
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| 240 | double axisInterval;
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| 241 | ChartUtil.CalculateAxisInterval(min, max, 5, out axisMin, out axisMax, out axisInterval);
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| 242 | } else {
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| 243 | axisMin = limitView.Content.Lower;
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| 244 | axisMax = limitView.Content.Upper;
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[13843] | 245 | }
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| 246 |
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[13850] | 247 | foreach (var chart in VisibleGradientCharts) {
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[13843] | 248 | chart.FixedYAxisMin = axisMin;
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| 249 | chart.FixedYAxisMax = axisMax;
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| 250 | }
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| 251 | }
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| 252 |
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[13850] | 253 | // reorder chart controls so that they always appear in the same order as in the list view
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| 254 | // the table layout containing the controls should be suspended before calling this method
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| 255 | private void ReOrderControls() {
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[13828] | 256 | var tl = gradientChartTableLayout;
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| 257 | tl.Controls.Clear();
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[13850] | 258 | int row = 0, column = 0;
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[14014] | 259 | foreach (var v in VisibleVariables) {
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| 260 | var chartsPanel = groupingPanels[v];
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[13850] | 261 | tl.Controls.Add(chartsPanel, column, row);
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[14014] | 262 |
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[14021] | 263 | var chart = gradientCharts[v];
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| 264 | chart.YAxisTitle = column == 0 ? Content.ProblemData.TargetVariable : string.Empty;
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[13850] | 265 | column++;
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[14014] | 266 |
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[13850] | 267 | if (column == MaxColumns) {
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| 268 | row++;
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| 269 | column = 0;
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| 270 | }
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| 271 | }
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[13828] | 272 | }
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[13808] | 273 |
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[13995] | 274 | private void SetStyles() {
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| 275 | var tl = gradientChartTableLayout;
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| 276 | tl.RowStyles.Clear();
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| 277 | tl.ColumnStyles.Clear();
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| 278 | int numVariables = VisibleVariables.Count();
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| 279 | if (numVariables == 0)
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| 280 | return;
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| 281 |
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| 282 | // set column styles
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| 283 | tl.ColumnCount = Math.Min(numVariables, MaxColumns);
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| 284 | for (int c = 0; c < tl.ColumnCount; c++)
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| 285 | tl.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 100.0f / tl.ColumnCount));
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| 286 |
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| 287 | // set row styles
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| 288 | tl.RowCount = (int)Math.Ceiling((double)numVariables / tl.ColumnCount);
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| 289 | var columnWidth = tl.Width / tl.ColumnCount; // assume all columns have the same width
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| 290 | var rowHeight = (int)(0.8 * columnWidth);
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| 291 | for (int r = 0; r < tl.RowCount; r++)
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| 292 | tl.RowStyles.Add(new RowStyle(SizeType.Absolute, rowHeight));
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| 293 | }
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| 294 |
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| 295 | private async void gradientChart_SolutionAdded(object sender, EventArgs<IRegressionSolution> e) {
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| 296 | var solution = e.Value;
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| 297 | foreach (var chart in gradientCharts.Values) {
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| 298 | if (sender == chart) continue;
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| 299 | await chart.AddSolutionAsync(solution);
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| 300 | }
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| 301 | }
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| 302 |
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| 303 | private async void gradientChart_SolutionRemoved(object sender, EventArgs<IRegressionSolution> e) {
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| 304 | var solution = e.Value;
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| 305 | foreach (var chart in gradientCharts.Values) {
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| 306 | if (sender == chart) continue;
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| 307 | await chart.RemoveSolutionAsync(solution);
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| 308 | }
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| 309 | }
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| 310 |
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[13842] | 311 | private async void variableListView_ItemChecked(object sender, ItemCheckedEventArgs e) {
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[13808] | 312 | var item = e.Item;
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| 313 | var variable = item.Text;
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[13850] | 314 | var gradientChart = gradientCharts[variable];
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| 315 | var chartsPanel = groupingPanels[variable];
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[13817] | 316 | var tl = gradientChartTableLayout;
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[13850] | 317 |
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[13817] | 318 | tl.SuspendLayout();
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[13808] | 319 | if (item.Checked) {
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[13850] | 320 | tl.Controls.Add(chartsPanel);
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| 321 | await gradientChart.RecalculateAsync();
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[13808] | 322 | } else {
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[13850] | 323 | tl.Controls.Remove(chartsPanel);
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[13808] | 324 | }
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[13843] | 325 |
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[13850] | 326 | if (tl.Controls.Count > 0) {
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| 327 | SetupYAxis();
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| 328 | ReOrderControls();
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[13995] | 329 | SetStyles();
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[13828] | 330 | }
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[13817] | 331 | tl.ResumeLayout();
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[14021] | 332 | tl.Refresh();
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| 333 | densityComboBox_SelectedIndexChanged(this, EventArgs.Empty);
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[13808] | 334 | }
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[13846] | 335 |
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| 336 | private void automaticYAxisCheckBox_CheckedChanged(object sender, EventArgs e) {
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| 337 | limitView.ReadOnly = automaticYAxisCheckBox.Checked;
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| 338 | SetupYAxis();
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[14021] | 339 | gradientChartTableLayout.Refresh();
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| 340 | densityComboBox_SelectedIndexChanged(this, EventArgs.Empty); // necessary to realign the density plots
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[13846] | 341 | }
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| 342 |
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| 343 | private void limit_ValueChanged(object sender, EventArgs e) {
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| 344 | if (automaticYAxisCheckBox.Checked)
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| 345 | return;
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| 346 | SetupYAxis();
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[14021] | 347 | gradientChartTableLayout.Refresh();
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| 348 | densityComboBox_SelectedIndexChanged(this, EventArgs.Empty); // necessary to realign the density plots
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[13846] | 349 | }
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[13850] | 350 |
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| 351 | private void densityComboBox_SelectedIndexChanged(object sender, EventArgs e) {
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[14021] | 352 | if (Content == null)
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| 353 | return;
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| 354 |
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[13850] | 355 | int si = densityComboBox.SelectedIndex;
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| 356 | if (si == 0) {
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| 357 | foreach (var densityChart in densityCharts.Values)
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| 358 | densityChart.Visible = false;
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| 359 | } else {
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| 360 | var indices = GetDensityIndices(si).ToList();
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| 361 |
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| 362 | foreach (var entry in densityCharts) {
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| 363 | var variableName = entry.Key;
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| 364 | var densityChart = entry.Value;
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[14089] | 365 | if (!VisibleVariables.Contains(variableName) || gradientCharts[variableName].IsZoomed)
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[13850] | 366 | continue;
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[14089] | 367 |
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[13850] | 368 | UpdateDensityChart(densityChart, variableName, indices);
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| 369 | }
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| 370 | }
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| 371 | }
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| 372 | private IEnumerable<int> GetDensityIndices(int selectedIndex) {
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| 373 | var problemData = Content.ProblemData;
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| 374 | return
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| 375 | selectedIndex == 1 ? problemData.TrainingIndices :
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| 376 | selectedIndex == 2 ? problemData.TestIndices :
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| 377 | problemData.AllIndices;
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| 378 | }
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| 379 | private void UpdateDensityChart(DensityChart densityChart, string variable, IList<int> indices = null) {
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| 380 | if (densityComboBox.SelectedIndex == 0)
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| 381 | return;
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| 382 | if (indices == null) {
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| 383 | indices = GetDensityIndices(densityComboBox.SelectedIndex).ToList();
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| 384 | }
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| 385 | var data = Content.ProblemData.Dataset.GetDoubleValues(variable, indices).ToList();
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| 386 | var gradientChart = gradientCharts[variable];
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| 387 | var min = gradientChart.FixedXAxisMin;
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| 388 | var max = gradientChart.FixedXAxisMax;
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| 389 | var buckets = gradientChart.DrawingSteps;
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| 390 | if (min.HasValue && max.HasValue) {
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| 391 | densityChart.UpdateChart(data, min.Value, max.Value, buckets);
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| 392 | densityChart.Width = gradientChart.Width;
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| 393 |
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| 394 | var gcPlotPosition = gradientChart.InnerPlotPosition;
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| 395 | densityChart.Left = (int)(gcPlotPosition.X / 100.0 * gradientChart.Width);
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| 396 | densityChart.Width = (int)(gcPlotPosition.Width / 100.0 * gradientChart.Width);
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| 397 |
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| 398 | densityChart.Visible = true;
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| 399 | }
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[14131] | 400 |
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| 401 | gradientChart.UpdateTitlePosition();
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[13850] | 402 | }
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[13995] | 403 |
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[14089] | 404 | private void columnsNumericUpDown_ValueChanged(object sender, EventArgs e) {
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| 405 | MaxColumns = (int)columnsNumericUpDown.Value;
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[13995] | 406 | int columns = Math.Min(VisibleVariables.Count(), MaxColumns);
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| 407 | if (columns > 0) {
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| 408 | var tl = gradientChartTableLayout;
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| 409 | MaxColumns = columns;
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| 410 | tl.SuspendLayout();
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| 411 | ReOrderControls();
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| 412 | SetStyles();
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[14021] | 413 | tl.ResumeLayout();
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| 414 | tl.Refresh();
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| 415 | densityComboBox_SelectedIndexChanged(this, EventArgs.Empty);
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[13995] | 416 | }
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| 417 | }
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| 418 |
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[14021] | 419 | private async void solution_ModelChanged(object sender, EventArgs e) {
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| 420 | foreach (var variable in VisibleVariables) {
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| 421 | var gradientChart = gradientCharts[variable];
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| 422 | var densityChart = densityCharts[variable];
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| 423 | // recalculate and refresh
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| 424 | await gradientChart.RecalculateAsync();
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| 425 | gradientChart.Refresh();
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| 426 | UpdateDensityChart(densityChart, variable);
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[13996] | 427 | }
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[13995] | 428 | }
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[13808] | 429 | }
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| 430 | }
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