[8280] | 1 | #region License Information
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[7829] | 2 | /* HeuristicLab
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[11171] | 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[7829] | 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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| 22 | using System;
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[8280] | 23 | using System.Collections.Generic;
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[7829] | 24 | using System.Drawing;
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[8280] | 25 | using System.Linq;
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[7829] | 26 | using System.Windows.Forms;
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[8280] | 27 | using System.Windows.Forms.DataVisualization.Charting;
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[10882] | 28 | using HeuristicLab.Analysis;
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| 29 | using HeuristicLab.Analysis.Views;
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[7829] | 30 | using HeuristicLab.Collections;
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[8280] | 31 | using HeuristicLab.Common;
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[7829] | 32 | using HeuristicLab.Core.Views;
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| 33 | using HeuristicLab.MainForm;
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| 34 |
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[10882] | 35 | namespace HeuristicLab.DataPreprocessing.Views {
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| 36 | [View("Preprocessing ScatterPlot View")]
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| 37 | [Content(typeof(ScatterPlot), false)]
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| 38 | public partial class PreprocessingScatterPlotView : ItemView, IConfigureableView {
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[8280] | 39 | protected List<Series> invisibleSeries;
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| 40 | protected Dictionary<IObservableList<Point2D<double>>, ScatterPlotDataRow> pointsRowsTable;
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[10952] | 41 | private event EventHandler chartDoubleClick;
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[8280] | 42 |
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[7829] | 43 | public new ScatterPlot Content {
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| 44 | get { return (ScatterPlot)base.Content; }
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| 45 | set { base.Content = value; }
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| 46 | }
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| 47 |
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[10882] | 48 | public PreprocessingScatterPlotView() {
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[7829] | 49 | InitializeComponent();
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[8280] | 50 | pointsRowsTable = new Dictionary<IObservableList<Point2D<double>>, ScatterPlotDataRow>();
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| 51 | invisibleSeries = new List<Series>();
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[7829] | 52 | chart.CustomizeAllChartAreas();
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[8280] | 53 | chart.ChartAreas[0].CursorX.Interval = 1;
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[7829] | 54 | }
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| 55 |
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[8280] | 56 | #region Event Handler Registration
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[7829] | 57 | protected override void DeregisterContentEvents() {
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[8280] | 58 | foreach (ScatterPlotDataRow row in Content.Rows)
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| 59 | DeregisterScatterPlotDataRowEvents(row);
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| 60 | Content.VisualPropertiesChanged -= new EventHandler(Content_VisualPropertiesChanged);
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| 61 | Content.Rows.ItemsAdded -= new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsAdded);
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| 62 | Content.Rows.ItemsRemoved -= new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsRemoved);
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| 63 | Content.Rows.ItemsReplaced -= new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsReplaced);
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| 64 | Content.Rows.CollectionReset -= new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_CollectionReset);
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[7829] | 65 | base.DeregisterContentEvents();
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| 66 | }
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| 67 | protected override void RegisterContentEvents() {
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| 68 | base.RegisterContentEvents();
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[8280] | 69 | Content.VisualPropertiesChanged += new EventHandler(Content_VisualPropertiesChanged);
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| 70 | Content.Rows.ItemsAdded += new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsAdded);
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| 71 | Content.Rows.ItemsRemoved += new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsRemoved);
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| 72 | Content.Rows.ItemsReplaced += new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsReplaced);
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| 73 | Content.Rows.CollectionReset += new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_CollectionReset);
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[7829] | 74 | }
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| 75 |
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[8280] | 76 | protected virtual void RegisterScatterPlotDataRowEvents(ScatterPlotDataRow row) {
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| 77 | row.NameChanged += new EventHandler(Row_NameChanged);
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| 78 | row.VisualPropertiesChanged += new EventHandler(Row_VisualPropertiesChanged);
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| 79 | pointsRowsTable.Add(row.Points, row);
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| 80 | row.Points.ItemsAdded += new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsAdded);
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| 81 | row.Points.ItemsRemoved += new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsRemoved);
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| 82 | row.Points.ItemsReplaced += new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsReplaced);
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| 83 | row.Points.CollectionReset += new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_CollectionReset);
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[7829] | 84 | }
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[8280] | 85 | protected virtual void DeregisterScatterPlotDataRowEvents(ScatterPlotDataRow row) {
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| 86 | row.Points.ItemsAdded -= new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsAdded);
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| 87 | row.Points.ItemsRemoved -= new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsRemoved);
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| 88 | row.Points.ItemsReplaced -= new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsReplaced);
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| 89 | row.Points.CollectionReset -= new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_CollectionReset);
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| 90 | pointsRowsTable.Remove(row.Points);
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| 91 | row.VisualPropertiesChanged -= new EventHandler(Row_VisualPropertiesChanged);
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| 92 | row.NameChanged -= new EventHandler(Row_NameChanged);
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| 93 | }
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| 94 | #endregion
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[7829] | 95 |
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| 96 | protected override void OnContentChanged() {
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| 97 | base.OnContentChanged();
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[8280] | 98 | invisibleSeries.Clear();
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| 99 | chart.ChartAreas[0].AxisX.Title = string.Empty;
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| 100 | chart.ChartAreas[0].AxisY.Title = string.Empty;
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| 101 | chart.Series.Clear();
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[7829] | 102 | if (Content != null) {
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[8280] | 103 | AddScatterPlotDataRows(Content.Rows);
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| 104 | ConfigureChartArea(chart.ChartAreas[0]);
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| 105 | RecalculateAxesScale(chart.ChartAreas[0]);
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[7829] | 106 | }
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| 107 | }
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| 108 |
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[8280] | 109 | protected override void SetEnabledStateOfControls() {
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| 110 | base.SetEnabledStateOfControls();
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| 111 | chart.Enabled = Content != null;
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[7829] | 112 | }
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| 113 |
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[8907] | 114 | public void ShowConfiguration() {
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| 115 | if (Content != null) {
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| 116 | using (ScatterPlotVisualPropertiesDialog dialog = new ScatterPlotVisualPropertiesDialog(Content)) {
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| 117 | dialog.ShowDialog(this);
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| 118 | }
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| 119 | } else MessageBox.Show("Nothing to configure.");
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| 120 | }
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| 121 |
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[8280] | 122 | protected virtual void AddScatterPlotDataRows(IEnumerable<ScatterPlotDataRow> rows) {
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| 123 | foreach (var row in rows) {
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| 124 | RegisterScatterPlotDataRowEvents(row);
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| 125 | Series series = new Series(row.Name);
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| 126 | if (row.VisualProperties.DisplayName.Trim() != String.Empty) series.LegendText = row.VisualProperties.DisplayName;
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| 127 | else series.LegendText = row.Name;
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| 128 | ConfigureSeries(series, row);
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| 129 | FillSeriesWithRowValues(series, row);
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| 130 | chart.Series.Add(series);
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| 131 | }
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| 132 | ConfigureChartArea(chart.ChartAreas[0]);
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| 133 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 134 | UpdateYCursorInterval();
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| 135 | }
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| 136 |
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| 137 | protected virtual void RemoveScatterPlotDataRows(IEnumerable<ScatterPlotDataRow> rows) {
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| 138 | foreach (var row in rows) {
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| 139 | DeregisterScatterPlotDataRowEvents(row);
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| 140 | Series series = chart.Series[row.Name];
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| 141 | chart.Series.Remove(series);
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| 142 | if (invisibleSeries.Contains(series))
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| 143 | invisibleSeries.Remove(series);
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| 144 | }
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| 145 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 146 | }
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| 147 |
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| 148 | private void ConfigureSeries(Series series, ScatterPlotDataRow row) {
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| 149 | series.BorderWidth = 1;
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| 150 | series.BorderDashStyle = ChartDashStyle.Solid;
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| 151 | series.BorderColor = Color.Empty;
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| 152 |
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| 153 | if (row.VisualProperties.Color != Color.Empty)
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| 154 | series.Color = row.VisualProperties.Color;
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| 155 | else series.Color = Color.Empty;
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| 156 | series.IsVisibleInLegend = row.VisualProperties.IsVisibleInLegend;
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| 157 | series.ChartType = SeriesChartType.FastPoint;
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| 158 | series.MarkerSize = row.VisualProperties.PointSize;
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| 159 | series.MarkerStyle = ConvertPointStyle(row.VisualProperties.PointStyle);
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| 160 | series.XAxisType = AxisType.Primary;
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| 161 | series.YAxisType = AxisType.Primary;
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| 162 |
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| 163 | if (row.VisualProperties.DisplayName.Trim() != String.Empty) series.LegendText = row.VisualProperties.DisplayName;
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| 164 | else series.LegendText = row.Name;
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| 165 |
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| 166 | string xAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.XAxisTitle)
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| 167 | ? "X"
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| 168 | : Content.VisualProperties.XAxisTitle;
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| 169 | string yAxisTitle = string.IsNullOrEmpty(Content.VisualProperties.YAxisTitle)
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| 170 | ? "Y"
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| 171 | : Content.VisualProperties.YAxisTitle;
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| 172 | series.ToolTip =
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| 173 | series.LegendText + Environment.NewLine +
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| 174 | xAxisTitle + " = " + "#VALX," + Environment.NewLine +
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| 175 | yAxisTitle + " = " + "#VAL";
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| 176 | }
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| 177 |
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| 178 | private void ConfigureChartArea(ChartArea area) {
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| 179 |
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| 180 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisX.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 181 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisX.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 182 | area.AxisX.Title = Content.VisualProperties.XAxisTitle;
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[8282] | 183 | area.AxisX.MajorGrid.Enabled = Content.VisualProperties.XAxisGrid;
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[8280] | 184 |
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| 185 | if (Content.VisualProperties.AxisTitleFont != null) area.AxisY.TitleFont = Content.VisualProperties.AxisTitleFont;
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| 186 | if (!Content.VisualProperties.AxisTitleColor.IsEmpty) area.AxisY.TitleForeColor = Content.VisualProperties.AxisTitleColor;
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| 187 | area.AxisY.Title = Content.VisualProperties.YAxisTitle;
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[8282] | 188 | area.AxisY.MajorGrid.Enabled = Content.VisualProperties.YAxisGrid;
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[8280] | 189 | }
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| 190 |
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| 191 | private void RecalculateAxesScale(ChartArea area) {
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| 192 | // Reset the axes bounds so that RecalculateAxesScale() will assign new bounds
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| 193 | foreach (Axis a in area.Axes) {
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| 194 | a.Minimum = double.NaN;
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| 195 | a.Maximum = double.NaN;
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| 196 | }
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| 197 | area.RecalculateAxesScale();
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| 198 | area.AxisX.IsMarginVisible = false;
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| 199 |
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| 200 | if (!Content.VisualProperties.XAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.XAxisMinimumFixedValue)) area.AxisX.Minimum = Content.VisualProperties.XAxisMinimumFixedValue;
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| 201 | if (!Content.VisualProperties.XAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.XAxisMaximumFixedValue)) area.AxisX.Maximum = Content.VisualProperties.XAxisMaximumFixedValue;
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| 202 | if (!Content.VisualProperties.YAxisMinimumAuto && !double.IsNaN(Content.VisualProperties.YAxisMinimumFixedValue)) area.AxisY.Minimum = Content.VisualProperties.YAxisMinimumFixedValue;
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| 203 | if (!Content.VisualProperties.YAxisMaximumAuto && !double.IsNaN(Content.VisualProperties.YAxisMaximumFixedValue)) area.AxisY.Maximum = Content.VisualProperties.YAxisMaximumFixedValue;
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| 204 | if (area.AxisX.Minimum >= area.AxisX.Maximum) area.AxisX.Maximum = area.AxisX.Minimum + 1;
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| 205 | if (area.AxisY.Minimum >= area.AxisY.Maximum) area.AxisY.Maximum = area.AxisY.Minimum + 1;
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| 206 | }
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| 207 |
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| 208 | protected virtual void UpdateYCursorInterval() {
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| 209 | double interestingValuesRange = (
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| 210 | from series in chart.Series
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| 211 | where series.Enabled
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| 212 | let values = (from point in series.Points
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| 213 | where !point.IsEmpty
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| 214 | select point.YValues[0]).DefaultIfEmpty(1.0)
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| 215 | let range = values.Max() - values.Min()
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| 216 | where range > 0.0
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| 217 | select range
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| 218 | ).DefaultIfEmpty(1.0).Min();
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| 219 |
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| 220 | double digits = (int)Math.Log10(interestingValuesRange) - 3;
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| 221 | double yZoomInterval = Math.Pow(10, digits);
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| 222 | this.chart.ChartAreas[0].CursorY.Interval = yZoomInterval;
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| 223 | }
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| 224 |
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[10952] | 225 |
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| 226 | public event EventHandler ChartDoubleClick {
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| 227 | add { chartDoubleClick += value; }
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| 228 | remove { chartDoubleClick -= value; }
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| 229 | }
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| 230 |
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[8280] | 231 | #region Event Handlers
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| 232 | #region Content Event Handlers
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[10882] | 233 |
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[8280] | 234 | private void Content_VisualPropertiesChanged(object sender, EventArgs e) {
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| 235 | if (InvokeRequired)
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| 236 | Invoke(new EventHandler(Content_VisualPropertiesChanged), sender, e);
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| 237 | else {
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| 238 | ConfigureChartArea(chart.ChartAreas[0]);
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| 239 | RecalculateAxesScale(chart.ChartAreas[0]); // axes min/max could have changed
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| 240 | }
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| 241 | }
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| 242 | #endregion
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| 243 | #region Rows Event Handlers
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| 244 | private void Rows_ItemsAdded(object sender, CollectionItemsChangedEventArgs<ScatterPlotDataRow> e) {
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| 245 | if (InvokeRequired)
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| 246 | Invoke(new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsAdded), sender, e);
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| 247 | else {
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| 248 | AddScatterPlotDataRows(e.Items);
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| 249 | }
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| 250 | }
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| 251 | private void Rows_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<ScatterPlotDataRow> e) {
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| 252 | if (InvokeRequired)
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| 253 | Invoke(new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsRemoved), sender, e);
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| 254 | else {
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| 255 | RemoveScatterPlotDataRows(e.Items);
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| 256 | }
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| 257 | }
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| 258 | private void Rows_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<ScatterPlotDataRow> e) {
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| 259 | if (InvokeRequired)
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| 260 | Invoke(new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_ItemsReplaced), sender, e);
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| 261 | else {
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| 262 | RemoveScatterPlotDataRows(e.OldItems);
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| 263 | AddScatterPlotDataRows(e.Items);
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| 264 | }
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| 265 | }
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| 266 | private void Rows_CollectionReset(object sender, CollectionItemsChangedEventArgs<ScatterPlotDataRow> e) {
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| 267 | if (InvokeRequired)
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| 268 | Invoke(new CollectionItemsChangedEventHandler<ScatterPlotDataRow>(Rows_CollectionReset), sender, e);
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| 269 | else {
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| 270 | RemoveScatterPlotDataRows(e.OldItems);
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| 271 | AddScatterPlotDataRows(e.Items);
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| 272 | }
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| 273 | }
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| 274 | #endregion
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| 275 | #region Row Event Handlers
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| 276 | private void Row_VisualPropertiesChanged(object sender, EventArgs e) {
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| 277 | if (InvokeRequired)
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| 278 | Invoke(new EventHandler(Row_VisualPropertiesChanged), sender, e);
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| 279 | else {
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| 280 | ScatterPlotDataRow row = (ScatterPlotDataRow)sender;
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| 281 | Series series = chart.Series[row.Name];
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| 282 | series.Points.Clear();
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| 283 | ConfigureSeries(series, row);
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| 284 | FillSeriesWithRowValues(series, row);
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| 285 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 286 | }
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| 287 | }
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| 288 | private void Row_NameChanged(object sender, EventArgs e) {
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| 289 | if (InvokeRequired)
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| 290 | Invoke(new EventHandler(Row_NameChanged), sender, e);
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| 291 | else {
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| 292 | ScatterPlotDataRow row = (ScatterPlotDataRow)sender;
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| 293 | chart.Series[row.Name].Name = row.Name;
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| 294 | }
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| 295 | }
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| 296 | #endregion
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| 297 | #region Points Event Handlers
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| 298 | private void Points_ItemsAdded(object sender, CollectionItemsChangedEventArgs<IndexedItem<Point2D<double>>> e) {
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| 299 | if (InvokeRequired)
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| 300 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsAdded), sender, e);
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| 301 | else {
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| 302 | ScatterPlotDataRow row = null;
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| 303 | pointsRowsTable.TryGetValue((IObservableList<Point2D<double>>)sender, out row);
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| 304 | if (row != null) {
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| 305 | Series rowSeries = chart.Series[row.Name];
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| 306 | if (!invisibleSeries.Contains(rowSeries)) {
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| 307 | rowSeries.Points.Clear();
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| 308 | FillSeriesWithRowValues(rowSeries, row);
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| 309 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 310 | UpdateYCursorInterval();
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| 311 | }
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| 312 | }
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| 313 | }
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| 314 | }
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| 315 | private void Points_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<IndexedItem<Point2D<double>>> e) {
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| 316 | if (InvokeRequired)
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| 317 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsRemoved), sender, e);
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| 318 | else {
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| 319 | ScatterPlotDataRow row = null;
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| 320 | pointsRowsTable.TryGetValue((IObservableList<Point2D<double>>)sender, out row);
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| 321 | if (row != null) {
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| 322 | Series rowSeries = chart.Series[row.Name];
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| 323 | if (!invisibleSeries.Contains(rowSeries)) {
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| 324 | rowSeries.Points.Clear();
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| 325 | FillSeriesWithRowValues(rowSeries, row);
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| 326 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 327 | UpdateYCursorInterval();
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| 328 | }
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| 329 | }
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| 330 | }
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| 331 | }
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| 332 | private void Points_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<IndexedItem<Point2D<double>>> e) {
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| 333 | if (InvokeRequired)
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| 334 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_ItemsReplaced), sender, e);
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| 335 | else {
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| 336 | ScatterPlotDataRow row = null;
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| 337 | pointsRowsTable.TryGetValue((IObservableList<Point2D<double>>)sender, out row);
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| 338 | if (row != null) {
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| 339 | Series rowSeries = chart.Series[row.Name];
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| 340 | if (!invisibleSeries.Contains(rowSeries)) {
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| 341 | rowSeries.Points.Clear();
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| 342 | FillSeriesWithRowValues(rowSeries, row);
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| 343 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 344 | UpdateYCursorInterval();
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| 345 | }
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| 346 | }
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| 347 | }
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| 348 | }
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| 349 | private void Points_CollectionReset(object sender, CollectionItemsChangedEventArgs<IndexedItem<Point2D<double>>> e) {
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| 350 | if (InvokeRequired)
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| 351 | Invoke(new CollectionItemsChangedEventHandler<IndexedItem<Point2D<double>>>(Points_CollectionReset), sender, e);
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| 352 | else {
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| 353 | ScatterPlotDataRow row = null;
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| 354 | pointsRowsTable.TryGetValue((IObservableList<Point2D<double>>)sender, out row);
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| 355 | if (row != null) {
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| 356 | Series rowSeries = chart.Series[row.Name];
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| 357 | if (!invisibleSeries.Contains(rowSeries)) {
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| 358 | rowSeries.Points.Clear();
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| 359 | FillSeriesWithRowValues(rowSeries, row);
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| 360 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 361 | UpdateYCursorInterval();
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| 362 | }
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| 363 | }
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| 364 | }
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| 365 | }
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| 366 | #endregion
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| 367 | #endregion
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[7829] | 368 |
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[8280] | 369 | #region Chart Event Handlers
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| 370 | private void chart_MouseDown(object sender, MouseEventArgs e) {
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| 371 | HitTestResult result = chart.HitTest(e.X, e.Y);
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| 372 | if (result.ChartElementType == ChartElementType.LegendItem) {
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| 373 | ToggleSeriesVisible(result.Series);
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[7829] | 374 | }
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| 375 | }
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[8280] | 376 | private void chart_MouseMove(object sender, MouseEventArgs e) {
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| 377 | HitTestResult result = chart.HitTest(e.X, e.Y);
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| 378 | if (result.ChartElementType == ChartElementType.LegendItem)
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| 379 | this.Cursor = Cursors.Hand;
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| 380 | else
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| 381 | this.Cursor = Cursors.Default;
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| 382 | }
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| 383 | private void chart_CustomizeLegend(object sender, CustomizeLegendEventArgs e) {
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| 384 | foreach (LegendItem legendItem in e.LegendItems) {
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| 385 | var series = chart.Series[legendItem.SeriesName];
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| 386 | if (series != null) {
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| 387 | bool seriesIsInvisible = invisibleSeries.Contains(series);
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| 388 | foreach (LegendCell cell in legendItem.Cells) {
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| 389 | cell.ForeColor = seriesIsInvisible ? Color.Gray : Color.Black;
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| 390 | }
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| 391 | }
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| 392 | }
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| 393 | }
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| 394 | #endregion
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[7829] | 395 |
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[8280] | 396 | private void ToggleSeriesVisible(Series series) {
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| 397 | if (!invisibleSeries.Contains(series)) {
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| 398 | series.Points.Clear();
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| 399 | invisibleSeries.Add(series);
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[7829] | 400 | } else {
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[8280] | 401 | invisibleSeries.Remove(series);
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| 402 | if (Content != null) {
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| 403 |
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| 404 | var row = (from r in Content.Rows
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| 405 | where r.Name == series.Name
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| 406 | select r).Single();
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| 407 | FillSeriesWithRowValues(series, row);
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| 408 | this.chart.Legends[series.Legend].ForeColor = Color.Black;
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| 409 | RecalculateAxesScale(chart.ChartAreas[0]);
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| 410 | UpdateYCursorInterval();
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[7829] | 411 | }
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| 412 | }
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| 413 | }
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[8280] | 414 |
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| 415 | private void FillSeriesWithRowValues(Series series, ScatterPlotDataRow row) {
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| 416 | for (int i = 0; i < row.Points.Count; i++) {
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| 417 | var value = row.Points[i];
|
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| 418 | DataPoint point = new DataPoint();
|
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| 419 | if (IsInvalidValue(value.X) || IsInvalidValue(value.Y))
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| 420 | point.IsEmpty = true;
|
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| 421 | else {
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| 422 | point.XValue = value.X;
|
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| 423 | point.YValues = new double[] { value.Y };
|
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| 424 | }
|
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| 425 | series.Points.Add(point);
|
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| 426 | }
|
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| 427 | }
|
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| 428 |
|
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| 429 | #region Helpers
|
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| 430 | private MarkerStyle ConvertPointStyle(ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle pointStyle) {
|
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| 431 | switch (pointStyle) {
|
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| 432 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Circle:
|
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| 433 | return MarkerStyle.Circle;
|
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| 434 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Cross:
|
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| 435 | return MarkerStyle.Cross;
|
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| 436 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Diamond:
|
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| 437 | return MarkerStyle.Diamond;
|
---|
| 438 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Square:
|
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| 439 | return MarkerStyle.Square;
|
---|
| 440 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Star4:
|
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| 441 | return MarkerStyle.Star4;
|
---|
| 442 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Star5:
|
---|
| 443 | return MarkerStyle.Star5;
|
---|
| 444 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Star6:
|
---|
| 445 | return MarkerStyle.Star6;
|
---|
| 446 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Star10:
|
---|
| 447 | return MarkerStyle.Star10;
|
---|
| 448 | case ScatterPlotDataRowVisualProperties.ScatterPlotDataRowPointStyle.Triangle:
|
---|
| 449 | return MarkerStyle.Triangle;
|
---|
| 450 | default:
|
---|
| 451 | return MarkerStyle.None;
|
---|
| 452 | }
|
---|
| 453 | }
|
---|
| 454 |
|
---|
| 455 | protected static bool IsInvalidValue(double x) {
|
---|
| 456 | return double.IsNaN(x) || x < (double)decimal.MinValue || x > (double)decimal.MaxValue;
|
---|
| 457 | }
|
---|
| 458 | #endregion
|
---|
[10952] | 459 |
|
---|
| 460 | //bubble double click event with scatter plot view as sender
|
---|
| 461 | private void chart_DoubleClick(object sender, EventArgs e) {
|
---|
| 462 | if (chartDoubleClick != null)
|
---|
| 463 | chartDoubleClick(this, e);
|
---|
[10998] | 464 | }
|
---|
[7829] | 465 | }
|
---|
| 466 | }
|
---|