Home / Community & Support / Developer Productivity Tools Forums / WPF > Chart > Scatter Series Maximum Number of Values

• Daniel

  Posted on Jan 21, 2012 (permalink)

  Hi,
  
  I have set up a RadChart with a ScatterSeriesDefinition. I am then setting the ItemsSource from the code, by passing it an ObservableCollection<> which holds a custom object called Coordinate, which is essentially just an object that stores an X value and a Y value.
  
  My problem is, there is probably about 1000 Coordinate's in the ObservableCollection, yet only about 200 of them are being displayed on the Chart. 
  
  Is there a limit to the number of points that this type of chart can hold in one series? Or am I doing something wrong?
  
  Thanks
  
  

  Reply

• Randy Minder

  Posted on Jan 23, 2012 (permalink)

  By default, RadChart uses a "Sample" size of 200 (Sampling is discussed in the RadChart documentation). You can change this, or eliminate it, by setting it to zero. This is the way I do it in XAML.
  
  

  <!-- By default, RadChart uses a 200 point sampling. Turn this feature off -->
  <chart:RadChart.SamplingSettings>
     <charting:SamplingSettings SamplingThreshold="0"/>
  </chart:RadChart.SamplingSettings>

  Reply

• Daniel

  Posted on Jan 23, 2012 (permalink)

  Thanks very much, that fixed it!

  Reply

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Home / Community & Support / Developer Productivity Tools Forums / WPF > Chart > Scatter Series Maximum Number of Values