windows store apps - WinRT-xaml-Toolkit: Line Series with median Line -

is there way implement median line using lib?

the way think work adding new lineseries , add median each value in data-lineseries

something this:

    <charting:chart>         <charting:chart.series >             <charting:lineseries itemssource="{binding articles}"  title="test title" height="400" width="400" independentvaluepath="datetime" dependentvaluepath="price"  >              </charting:lineseries> ---pseudo----             <charting:lineseries x:name="median" itemssource="{binding articles}" title="median" independentvaluepath="datetime" dependentvaluepath="median">              </charting:lineseries>         </charting:chart.series>     </charting:chart> 

this cause me add median value of product each article is..kinda unnecessary.

is there easier way this? or way fills space between data , median color (e.g. http://www.jidesoft.com/images/line-chart-gradient-fill.png)?

thanks in advance

i don't think there built in statistical functions in datavisualization library ported silverlight toolkit, can provide own data source separate articles 1 has range of values want.

i can't recall if filled style of data series visualization implemented, try create modified version of lineseries 1 support fill or check source if such property available. might doable changing style of series.