Fix for single decade Y axis rendering

Author: macaba

source/NSD.UI/MainWindow.axaml.cs

@@ -293,8 +293,7 @@ private void btnSetAxis_Click(object sender, RoutedEventArgs e)
                     yArray = spectrum.Values;
                 UpdateNSDChart(spectrum.Frequencies, yArray);
             }
-            WpfPlot1.Plot.Axes.SetLimits(Math.Log10(viewModel.XMin), Math.Log10(viewModel.XMax), Math.Log10(viewModel.YMin), Math.Log10(viewModel.YMax));
-            WpfPlot1.Refresh();
+            SetChartLimitsAndRefresh();
         }
 
         public void UpdateNSDChart(Memory<double> x, Memory<double> y)
@@ -348,7 +347,14 @@ private void CommonChartConfig()
             WpfPlot1.Plot.Grid.MinorLineWidth = 1;
             WpfPlot1.Plot.Grid.MinorLineColor = ScottPlot.Color.FromARGB(0x14000000);
             WpfPlot1.Plot.Grid.MajorLineColor = ScottPlot.Color.FromARGB(0x50000000);
-            WpfPlot1.Plot.Axes.SetLimits(Math.Log10(viewModel.XMin), Math.Log10(viewModel.XMax), Math.Log10(viewModel.YMin), Math.Log10(viewModel.YMax));
+            SetChartLimitsAndRefresh();
+        }
+
+        private void SetChartLimitsAndRefresh()
+        {
+            var top = Math.Log10(viewModel.YMax + (viewModel.YMax * 0.001));
+            var bottom = Math.Log10(viewModel.YMin - (viewModel.YMin * 0.001));
+            WpfPlot1.Plot.Axes.SetLimits(Math.Log10(viewModel.XMin), Math.Log10(viewModel.XMax), bottom, top);
             WpfPlot1.Refresh();
         }
 

source/NSD.UI/NSD.UI.csproj

@@ -27,7 +27,7 @@
 		<PackageReference Include="CsvHelper" Version="33.0.1" />
 		<PackageReference Include="MessageBox.Avalonia" Version="3.1.6" />
 		<PackageReference Include="NReco.Csv" Version="1.0.3" />
-		<PackageReference Include="ScottPlot.Avalonia" Version="5.0.37" />
+		<PackageReference Include="ScottPlot.Avalonia" Version="5.0.54" />
 		<PackageReference Include="System.Drawing.Common" Version="8.0.8" />
 		<PackageReference Include="System.Linq.Async" Version="6.0.1" />
 	</ItemGroup>