Graphics overlay (dictionary renderer)

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This sample demonstrates applying a dictionary renderer to graphics, in order to display military symbology without the need for a feature table.

Image of graphics overlay dictionary renderer

Use case

Use a dictionary renderer on a graphics overlay to display more transient data, such as military messages coming through a local tactical network.

How to use the sample

Pan and zoom to explore military symbols on the map.

How it works

  1. Create a new DictionarySymbolStyle(dictionaryPath).
  2. Create a new DictionaryRenderer(symbolDictionary).
  3. Create a new GraphicsOverlay
  4. Set the dictionary renderer to the graphics overlay.
  5. Parse through the XML and create a graphic for each element.
  6. Use the _wkid key to get the geometry's spatial reference.
  7. Use the _control_points key to get the geometry's shape.
  8. Create a geometry using the shape and spatial reference from above.
  9. Create a Graphic for each attribute, utilizing it's defined geometry.
  10. Add the graphic to the graphics overlay.

Relevant API

  • DictionaryRenderer
  • DictionarySymbolStyle
  • GraphicsOverlay

Offline data

This sample uses the Mil2525d Stylx File and the MIL-STD-2525D XML Message File hosted on ArcGIS Online.

About the data

The sample opens to a view of the county Wiltshire, United Kingdom. It displays military symbols illustrating a simulated combat situation in the area.

Tags

defense, military, situational awareness, tactical, visualization

Sample Code

DictionaryRendererGraphicsOverlay.xamlDictionaryRendererGraphicsOverlay.xaml.cs
        
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<UserControl x:Class="ArcGISRuntime.WPF.Samples.DictionaryRendererGraphicsOverlay.DictionaryRendererGraphicsOverlay"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:esri="http://schemas.esri.com/arcgis/runtime/2013">
    <Grid>
        <esri:MapView x:Name="MyMapView"/>
    </Grid>
</UserControl>

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