Changeset 14473 for branches/DataPreprocessing Enhancements/HeuristicLab.DataPreprocessing.Views/3.4

Timestamp:

12/09/16 17:04:08 (8 years ago)

Author:

pfleck

Message:

#2709 Improved default y-axis for line charts.

File:

• branches/DataPreprocessing Enhancements/HeuristicLab.DataPreprocessing.Views/3.4/LineChartView.cs (modified) (2 diffs)

branches/DataPreprocessing Enhancements/HeuristicLab.DataPreprocessing.Views/3.4/LineChartView.cs

@@ -28 +28 @@
 using HeuristicLab.Data;
 using HeuristicLab.MainForm;
+using HeuristicLab.Visualization.ChartControlsExtensions;
 
 namespace HeuristicLab.DataPreprocessing.Views {
@@ -79 +80 @@
     protected override DataTable CreateDataTable(string variableName) {
       var dt = new DataTable();
-      dt.Rows.Add(Content.CreateDataRow(variableName, DataRowVisualProperties.DataRowChartType.Line));
+      var row = Content.CreateDataRow(variableName, DataRowVisualProperties.DataRowChartType.Line);
+      dt.Rows.Add(row);
+
+      try {
+        double axisMin, axisMax, axisInterval;
+        ChartUtil.CalculateOptimalAxisInterval(row.Values.Min(), row.Values.Max(), out axisMin, out axisMax, out axisInterval);
+        dt.VisualProperties.YAxisMinimumAuto = false;
+        dt.VisualProperties.YAxisMaximumAuto = false;
+        dt.VisualProperties.YAxisMinimumFixedValue = axisMin;
+        dt.VisualProperties.YAxisMaximumFixedValue = axisMax;
+      } catch (ArgumentOutOfRangeException) { } // missing values lead to NaNs
       return dt;
     }