Changeset 8485

Timestamp:

08/14/12 13:27:53 (12 years ago)

Author:

gkronber

Message:

#1890 fixed a bug in the regression solution line chart that leads to an exception when the chart is shown which is however lost in the message queue. The bug has the effect that the empty point manipulation does not work correctly for instance in solutions produced through cross-validation

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Views/3.4/Regression/RegressionSolutionLineChartView.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Views/3.4/Regression/RegressionSolutionLineChartView.cs

@@ -89 +89 @@
         this.chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME].LegendText = ESTIMATEDVALUES_ALL_SERIES_NAME;
         this.chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME].ChartType = SeriesChartType.FastLine;
-        this.chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME].Points.DataBindXY(allIndices, allEstimatedValues);
-        this.InsertEmptyPoints(this.chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME]);
+        if (allEstimatedValues.Count > 0) {
+          this.chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME].Points.DataBindXY(allIndices, allEstimatedValues);
+          this.InsertEmptyPoints(this.chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME]);
+        }
         this.chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME].Tag = Content;
         this.ToggleSeriesData(this.chart.Series[ESTIMATEDVALUES_ALL_SERIES_NAME]);
@@ -224 +226 @@
 
         IEnumerable<int> indices = null;
-        IEnumerable<double> predictedValues = null;
+        double[] predictedValues = null;
         switch (series.Name) {
           case ESTIMATEDVALUES_ALL_SERIES_NAME:
             indices = Enumerable.Range(0, Content.ProblemData.Dataset.Rows).Except(Content.ProblemData.TrainingIndices).Except(Content.ProblemData.TestIndices).ToArray();
             var estimatedValues = Content.EstimatedValues.ToArray();
-            predictedValues = indices.Select(index => estimatedValues[index]).ToList();
+            predictedValues = indices.Select(index => estimatedValues[index]).ToArray();
             break;
           case ESTIMATEDVALUES_TRAINING_SERIES_NAME:
@@ -240 +242 @@
             break;
         }
-        series.Points.DataBindXY(indices, predictedValues);
-        this.InsertEmptyPoints(series);
+        if (predictedValues.Length > 0) {
+          series.Points.DataBindXY(indices, predictedValues);
+          this.InsertEmptyPoints(series);
+        }
         chart.Legends[series.Legend].ForeColor = Color.Black;
         UpdateCursorInterval();