Changeset 3707 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Views/3.3/LineChartView.cs

Timestamp:

05/07/10 16:38:19 (14 years ago)

Author:

gkronber

Message:

Added adjustment of cursor interval based on range of displayed values in the RunCollectionBubbleChartView ScatterPlotView and LineChartView. #893

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Views/3.3/LineChartView.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Views/3.3/LineChartView.cs

@@ -55 +55 @@
       this.chart.ChartAreas[0].CursorX.IsUserSelectionEnabled = true;
       this.chart.ChartAreas[0].AxisX.ScaleView.Zoomable = true;
-      this.chart.ChartAreas[0].CursorX.Interval = 0;
+      this.chart.ChartAreas[0].CursorX.Interval = 1;
 
       this.chart.ChartAreas[0].CursorY.IsUserSelectionEnabled = true;
@@ -75 +75 @@
       this.chart.Series[ESTIMATEDVALUES_SERIES_NAME].Points.DataBindY(Content.EstimatedValues.ToArray());
       this.chart.Series[ESTIMATEDVALUES_SERIES_NAME].Tag = Content;
+      UpdateCursorInterval();
+    }
+
+    private void UpdateCursorInterval() {
+      var estimatedValues = this.chart.Series[ESTIMATEDVALUES_SERIES_NAME].Points.Select(x => x.YValues[0]).DefaultIfEmpty(1.0);
+      var targetValues = this.chart.Series[TARGETVARIABLE_SERIES_NAME].Points.Select(x => x.YValues[0]).DefaultIfEmpty(1.0);
+      double estimatedValuesRange = estimatedValues.Max() - estimatedValues.Min();
+      double targetValuesRange = targetValues.Max() - targetValues.Min();
+      double interestingValuesRange = Math.Min(Math.Max(targetValuesRange, 1.0), Math.Max(estimatedValuesRange, 1.0));
+      double digits = (int)Math.Log10(interestingValuesRange) - 3;
+      double yZoomInterval = Math.Max(Math.Pow(10, digits), 10E-5);
+      this.chart.ChartAreas[0].CursorY.Interval = yZoomInterval;
     }
 
@@ -112 +124 @@
             s.LegendText = Content.ItemName;
             this.UpdateStripLines();
+            UpdateCursorInterval();
           }
         }