Dictionary renderer with graphics overlay

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Create graphics from an XML file with key-value pairs for each graphic, and display the military symbols using a MIL-STD-2525D web style in 2D.

Image of dictionary renderer graphics overlay

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 using a MIL-STD-2525D dictionary web style.
  2. Create a new DictionaryRenderer from the dictionary symbol style.
  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 MIL-STD-2525D XML Message File hosted on ArcGIS Online.

About the data

The dictionary symbol style in this sample is constructed from a portal item containing a MIL-STD-2525D symbol dictionary web style. This ArcGIS Web Style is used to build custom applications that incorporate the MIL-STD-2525D symbol dictionary. This style supports a configuration for modeling locations as ordered anchor points or full geometries.

Tags

defense, military, situational awareness, tactical, visualization

Sample Code

DictionaryRendererGraphicsOverlay.xamlDictionaryRendererGraphicsOverlay.xamlDictionaryRendererGraphicsOverlay.xaml.cs
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<?xml version="1.0" encoding="utf-8" ?>
<ContentPage x:Class="ArcGISRuntimeXamarin.Samples.DictionaryRendererGraphicsOverlay.DictionaryRendererGraphicsOverlay"
             xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:esriUI="clr-namespace:Esri.ArcGISRuntime.Xamarin.Forms;assembly=Esri.ArcGISRuntime.Xamarin.Forms">
    <Grid>
        <esriUI:MapView x:Name="MyMapView" />
    </Grid>
</ContentPage>

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