Changes
/* Chart control */
<DataTemplate>
<chart:NumericalPlotBand
Stroke="{Binding Color, Converter={StaticResource IntToColor}}"
StrokeWidth="5"
<DataTemplate>
<chart:NumericalStripLine
Width="2"
StrokeColor="{Binding Color, Converter={StaticResource IntToColor}}"
IsPixelWidth="True"
