1 | using System; |
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2 | using System.Collections.Generic; |
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3 | using System.ComponentModel; |
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4 | using System.Data; |
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5 | using System.Drawing; |
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6 | using System.Linq; |
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7 | using System.Text; |
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8 | using System.Windows.Forms; |
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9 | using System.Diagnostics; |
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10 | |
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11 | using BCMToolbox; |
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12 | |
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13 | namespace VisualBCM |
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14 | { |
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15 | public partial class GraphForm : Form, INetworkMonitor |
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16 | { |
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17 | |
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18 | Func<INetwork, double[]> __norm = null; |
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19 | Color[] __wheel = null; |
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20 | |
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21 | const int GRAPH_DEPTH = 50; |
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22 | |
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23 | List<double[]> __gatheredNorms = new List<double[]>(GRAPH_DEPTH + 10); |
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24 | double[] __gatheredTotals = null; |
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25 | int __normWidth = 0; |
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26 | int __normTotalCount = 0; |
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27 | |
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28 | |
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29 | |
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30 | |
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31 | public GraphForm(TraceableNetwork net, Func<INetwork,double[]> norms, string description) |
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32 | { |
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33 | __wheel = GUIUtilities.GetColorWheel(); |
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34 | InitializeComponent(); |
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35 | |
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36 | |
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37 | __norm = norms; |
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38 | |
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39 | if(net != null) |
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40 | net.RegisterMonitor(this); |
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41 | |
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42 | |
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43 | this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true); |
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44 | |
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45 | this.TopMost = true; |
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46 | |
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47 | if (net != null) |
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48 | this.Text = String.Format("VisualBCM Graphing tool [{0} - {1}]", net.Identification, description); |
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49 | else |
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50 | this.Text = String.Format("VisualBCM Graphing tool [{0}]", description); |
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51 | } |
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52 | |
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53 | public void RefreshGraph() |
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54 | { |
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55 | if (__gatheredNorms.Count == 0) |
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56 | return; |
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57 | |
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58 | Bitmap bmp = new Bitmap(GRAPH_DEPTH, 100, System.Drawing.Imaging.PixelFormat.Format24bppRgb); |
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59 | |
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60 | lock (__gatheredNorms) |
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61 | { |
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62 | int start = 0; |
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63 | if (__gatheredNorms.Count > GRAPH_DEPTH) |
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64 | start = __gatheredNorms.Count - GRAPH_DEPTH; |
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65 | |
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66 | for (int j = 0; j < __normWidth; j++) |
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67 | { |
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68 | double normAve = __gatheredTotals[j] / __normTotalCount; |
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69 | for (int i = start; i < __gatheredNorms.Count; i++) |
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70 | { |
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71 | double val = __gatheredNorms[i][j]; |
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72 | val /= normAve; |
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73 | val = val * 50; |
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74 | val = 100 - val; |
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75 | |
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76 | if (val < 0) |
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77 | val = 0; |
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78 | if (val >= 100) |
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79 | val = 99; |
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80 | |
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81 | bmp.SetPixel(i - start, (int)val, |
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82 | __wheel[j % __wheel.Length]); |
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83 | } |
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84 | } |
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85 | } |
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86 | |
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87 | this.pictureBox1.Image = bmp; |
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88 | this.label1.Text = String.Format("ticks: {0}", __normTotalCount); |
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89 | } |
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90 | |
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91 | |
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92 | |
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93 | #region INetworkMonitor Members |
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94 | |
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95 | public Func<INetwork, double[]> KernelFunction |
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96 | { |
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97 | get |
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98 | { |
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99 | return __norm; |
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100 | } |
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101 | } |
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102 | |
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103 | public void RegisterNorm(double[] newNorm) |
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104 | { |
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105 | lock (__gatheredNorms) |
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106 | { |
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107 | if (__gatheredNorms.Count == 0) |
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108 | { |
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109 | __normWidth = newNorm.Length; |
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110 | __gatheredTotals = new double[__normWidth]; |
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111 | } |
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112 | else if (newNorm.Length != __normWidth) |
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113 | return; |
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114 | |
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115 | __gatheredNorms.Add(newNorm); |
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116 | while (__gatheredNorms.Count > GRAPH_DEPTH) |
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117 | __gatheredNorms.RemoveAt(0); |
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118 | |
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119 | for (int i = 0; i < __normWidth; i++) |
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120 | __gatheredTotals[i] += newNorm[i]; |
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121 | |
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122 | __normTotalCount++; |
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123 | } |
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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 | #region Plotting function graphs |
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129 | public static GraphForm PlotFunction(Func<double, double> func, double intervalMin, double intervalMax) |
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130 | { |
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131 | GraphForm toRet = new GraphForm(null, null, "Function Graph"); |
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132 | double maxPlot = double.MinValue; |
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133 | double minPlot = double.MaxValue; |
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134 | for (int i = 0; i < GRAPH_DEPTH; i++) |
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135 | { |
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136 | double val = i * (intervalMax - intervalMin) / GRAPH_DEPTH + intervalMin; |
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137 | double y = func(val); |
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138 | if (y < minPlot) |
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139 | minPlot = y; |
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140 | if (y > maxPlot) |
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141 | maxPlot = y; |
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142 | toRet.RegisterNorm(new double[] { y }); |
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143 | } |
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144 | toRet.RefreshGraph(); |
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145 | toRet.label1.Text = String.Format("domain: [{0}, {1}] | codomain: [{2}, {3}]", |
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146 | intervalMin.ToString("#0.00"), intervalMax.ToString("#0.00"), |
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147 | minPlot.ToString("#0.00"), maxPlot.ToString("#0.00")); |
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148 | |
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149 | toRet.Show(); |
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150 | toRet.BringToFront(); |
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151 | return toRet; |
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152 | } |
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153 | #endregion |
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154 | } |
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155 | } |
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