Changeset 12143 for trunk

Timestamp:

03/05/15 15:51:09 (10 years ago)

Author:

ascheibe

Message:

#2351 add minimum check for bandwidth

Location:

trunk/sources/HeuristicLab.Analysis.Views/3.3

Files:

• HistogramControl.Designer.cs (modified) (1 diff)
• HistogramControl.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Analysis.Views/3.3/HistogramControl.Designer.cs

@@ -148 +148 @@
             0,
             0,
-            65536});
+            851968});
       this.bandwidthNumericUpDown.Name = "bandwidthNumericUpDown";
       this.bandwidthNumericUpDown.Size = new System.Drawing.Size(61, 20);

trunk/sources/HeuristicLab.Analysis.Views/3.3/HistogramControl.cs

@@ -31 +31 @@
   public partial class HistogramControl : UserControl {
     protected static readonly string SeriesName = "Histogram";
-
+    protected static readonly decimal bandwidthMin = 0.0000000000001m;
     protected Dictionary<string, List<double>> points;
-    private bool suppressUpdate;
+    protected bool suppressUpdate;
 
     public int NumberOfBins {
@@ -198 +198 @@
       if (double.IsNaN(bandwidth)) {
         bandwidth = KernelDensityEstimator.EstimateBandwidth(rowArray);
+        decimal bwDecimal = (decimal)bandwidth;
+        if (bwDecimal < bandwidthMin) {
+          bwDecimal = bandwidthMin;
+          bandwidth = decimal.ToDouble(bwDecimal);
+        }
         suppressUpdate = true;
-        bandwidthNumericUpDown.Value = (decimal)bandwidth;
+        bandwidthNumericUpDown.Value = bwDecimal;
       }
       var density = KernelDensityEstimator.Density(rowArray, rowArray.Length, stepWidth, bandwidth);