Changeset 4799 for trunk/sources/HeuristicLab.Optimization.Views/3.3/RunCollectionBubbleChartView.cs

Timestamp:

11/15/10 17:13:21 (13 years ago)

Author:

mkommend

Message:

Added automatic coloring to the RunCollectionBubbleChartView (ticket #1261).

File:

• trunk/sources/HeuristicLab.Optimization.Views/3.3/RunCollectionBubbleChartView.cs (modified) (6 diffs)

trunk/sources/HeuristicLab.Optimization.Views/3.3/RunCollectionBubbleChartView.cs

@@ -43 +43 @@
     private string sizeAxisValue;
 
+    private Dictionary<IRun, DataPoint> runToDataPointMapping;
     private Dictionary<int, Dictionary<object, double>> categoricalMapping;
     private Dictionary<IRun, double> xJitter;
@@ -54 +55 @@
       InitializeComponent();
 
+      runToDataPointMapping = new Dictionary<IRun, DataPoint>();
       categoricalMapping = new Dictionary<int, Dictionary<object, double>>();
       xJitter = new Dictionary<IRun, double>();
@@ -123 +125 @@
 
     private void UpdateRun(IRun run) {
-      DataPoint point = this.chart.Series[0].Points.Where(p => p.Tag == run).SingleOrDefault();
+      DataPoint point = runToDataPointMapping[run];
       if (point != null) {
         point.Color = run.Color;
-        if (!run.Visible)
+        if (!run.Visible) {
           this.chart.Series[0].Points.Remove(point);
-      } else
+          runToDataPointMapping.Remove(run);
+          UpdateCursorInterval();
+          chart.ChartAreas[0].RecalculateAxesScale();
+        }
+      } else {
         AddDataPoint(run);
-      UpdateCursorInterval();
-      chart.ChartAreas[0].RecalculateAxesScale();
+        UpdateCursorInterval();
+        chart.ChartAreas[0].RecalculateAxesScale();
+      }
 
 
@@ -201 +208 @@
       Series series = this.chart.Series[0];
       series.Points.Clear();
+      runToDataPointMapping.Clear();
       if (Content != null) {
         foreach (IRun run in this.Content)
@@ -249 +257 @@
           point.Color = run.Color;
           series.Points.Add(point);
+          runToDataPointMapping[run] = point;
         }
       }
@@ -569 +578 @@
     }
     #endregion
+
+    #region automatic coloring
+    private static Color[] colors;
+    protected static Color[] Colors {
+      get {
+        if (colors == null) InitializeColors();
+        return colors;
+      }
+    }
+    private static void InitializeColors() {
+      colors = new Color[256];
+      int stepWidth = (256 * 4) / colors.Length;
+      int currentValue;
+      int currentClass;
+      for (int i = 0; i < colors.Length; i++) {
+        currentValue = (i * stepWidth) % 256;
+        currentClass = (i * stepWidth) / 256;
+        switch (currentClass) {
+          case 0: { colors[i] = Color.FromArgb(0, currentValue, 255); break; }        // blue -> cyan
+          case 1: { colors[i] = Color.FromArgb(0, 255, 255 - currentValue); break; }  // cyan -> green
+          case 2: { colors[i] = Color.FromArgb(currentValue, 255, 0); break; }        // green -> yellow
+          case 3: { colors[i] = Color.FromArgb(255, 255 - currentValue, 0); break; }  // yellow -> red
+        }
+      }
+    }
+
+    private void colorXAxisButton_Click(object sender, EventArgs e) {
+      double minValue = chart.Series[0].Points.Min(p => p.XValue);
+      double maxValue = chart.Series[0].Points.Max(p => p.XValue);
+      foreach (DataPoint point in chart.Series[0].Points) {
+        int colorIndex = (int)((Colors.Length - 1) * (point.XValue - minValue) / (maxValue - minValue));
+        IRun run = point.Tag as IRun;
+        if (run != null)
+          run.Color = Colors[colorIndex];
+      }
+    }
+
+    private void colorYAxisButton_Click(object sender, EventArgs e) {
+      double minValue = chart.Series[0].Points.Min(p => p.YValues[0]);
+      double maxValue = chart.Series[0].Points.Max(p => p.YValues[0]);
+      foreach (DataPoint point in chart.Series[0].Points) {
+        int colorIndex = (int)((Colors.Length - 1) * (point.YValues[0] - minValue) / (maxValue - minValue));
+        IRun run = point.Tag as IRun;
+        if (run != null)
+          run.Color = Colors[colorIndex];
+      }
+    }
+    #endregion
   }
 }