[4703] | 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 |
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| 22 | using System;
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| 23 | using System.Drawing;
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| 24 | using System.Windows.Forms;
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| 25 | using System.Windows.Forms.DataVisualization.Charting;
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| 26 | using HeuristicLab.Core.Views;
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| 27 | using HeuristicLab.MainForm;
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| 28 |
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| 29 | namespace HeuristicLab.Analysis.Views {
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| 30 | [View("HeatMap View")]
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| 31 | [Content(typeof(HeatMap), true)]
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| 32 | public partial class HeatMapView : ItemView {
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| 33 |
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| 34 | private static Color[] Colors;
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| 35 | private static int ColorsCount = 500;
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| 36 | private static Color[] GrayscaleColors = new Color[256];
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| 37 |
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| 38 | #region InitializeColors
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| 39 | static HeatMapView() {
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| 40 | int stepWidth = (255 * 6) / ColorsCount;
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| 41 | Color[] colors = new Color[ColorsCount];
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| 42 | int currentValue;
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| 43 | int currentClass;
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| 44 | for (int i = 0; i < ColorsCount; i++) {
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| 45 | currentValue = (i * stepWidth) % 255;
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| 46 | currentClass = (i * stepWidth) / 255;
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| 47 | switch (currentClass) {
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| 48 | case 0: { colors[i] = Color.FromArgb(255, currentValue, 0); break; }
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| 49 | case 1: { colors[i] = Color.FromArgb(255 - currentValue, 255, 0); break; }
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| 50 | case 2: { colors[i] = Color.FromArgb(0, 255, currentValue); break; }
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| 51 | case 3: { colors[i] = Color.FromArgb(0, 255 - currentValue, 255); break; }
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| 52 | case 4: { colors[i] = Color.FromArgb(currentValue, 0, 255); break; }
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| 53 | case 5: { colors[i] = Color.FromArgb(255, 0, 255 - currentValue); break; }
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| 54 | }
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| 55 | }
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| 56 | int n = (int)(ColorsCount * 0.7);
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| 57 | Colors = new Color[n];
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| 58 | for (int i = 0; i < n; i++)
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| 59 | Colors[i] = colors[i];
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| 60 | for (int i = 0; i < 256; i++)
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| 61 | GrayscaleColors[i] = Color.FromArgb(i, i, i);
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| 62 | }
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| 63 | #endregion
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| 64 |
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| 65 | public new HeatMap Content {
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| 66 | get { return (HeatMap)base.Content; }
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| 67 | set { base.Content = value; }
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| 68 | }
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| 69 |
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| 70 | public HeatMapView() {
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| 71 | InitializeComponent();
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| 72 | chart.CustomizeAllChartAreas();
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| 73 | }
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| 74 |
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| 75 | protected override void OnContentChanged() {
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| 76 | base.OnContentChanged();
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| 77 | if (Content == null) {
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| 78 | chart.Series.Clear();
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| 79 | } else {
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| 80 | UpdateChart();
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| 81 | }
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| 82 | }
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| 83 |
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| 84 | private void UpdateChart() {
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| 85 | chart.Series.Clear();
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| 86 | Series series = new Series();
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| 87 | series.ChartType = SeriesChartType.Point;
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| 88 | series.XValueType = ChartValueType.Int32;
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| 89 | series.YValueType = ChartValueType.Int32;
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| 90 | series.YAxisType = AxisType.Primary;
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| 91 | for (int i = 0; i < Content.Rows; i++)
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| 92 | for (int j = 0; j < Content.Columns; j++)
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| 93 | series.Points.Add(CreateDataPoint(i, j, Content[i, j]));
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| 94 | chart.ChartAreas[0].AxisY.Minimum = 0;
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| 95 | chart.ChartAreas[0].AxisY.Maximum = Content.Rows;
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| 96 | chart.Series.Add(series);
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| 97 | chart.Legends.Clear();
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| 98 | }
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| 99 |
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| 100 | private DataPoint CreateDataPoint(int index1, int index2, double value) {
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| 101 | bool grayScaleModus = grayscaledImagesCheckBox.Checked;
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| 102 | int n = grayScaleModus ? GrayscaleColors.Length : Colors.Length;
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| 103 | int colorIndex = (int)((n - 1) * value);
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| 104 | if (colorIndex >= n) colorIndex = n - 1;
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| 105 | if (colorIndex < 0) colorIndex = 0;
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| 106 | // invert so that red is 1, blue 0 / black is 1, white 0
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| 107 | colorIndex = n - colorIndex - 1;
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| 108 | Color color = grayScaleModus ? GrayscaleColors[colorIndex] : Colors[colorIndex];
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| 109 |
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| 110 | DataPoint p = new DataPoint(index1, index2);
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| 111 | p.Color = color;
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| 112 | p.MarkerStyle = MarkerStyle.Square;
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| 113 | p.ToolTip = string.Format("Solution {0} vs. solution {1}: {2}",
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| 114 | index1, index2, value);
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| 115 | return p;
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| 116 | }
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| 117 |
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| 118 | #region Chart Events
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| 119 |
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| 120 | private void grayscaledImagesCheckBox_CheckedChanged(object sender, EventArgs e) {
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| 121 | GrayscalesPictureBox.Visible = grayscaledImagesCheckBox.Checked;
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| 122 | ColorsPictureBox.Visible = !grayscaledImagesCheckBox.Checked;
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| 123 | UpdateChart();
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| 124 | }
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| 125 |
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| 126 | #endregion
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| 127 |
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| 128 | }
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| 129 |
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| 130 | }
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