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overview-map.md

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OverviewMap

OverviewMap is a small, secondary map (sometimes called an inset map), that can be superimposed on an existing MapView/SceneView. OverviewMap shows a representation of the viewpoint of the GeoView it is connected to.

OverviewMap

NOTE: OverviewMap uses metered ArcGIS basemaps by default, so you will need to configure an API key. See Security and authentication documentation for more information.

Features

OverviewMap:

  • Displays a representation of the current viewpoint for a connected GeoView
  • Supports a configurable scaling factor for setting the overview map's zoom level relative to the connected view.
  • Supports a configurable symbol for visualizing the current viewpoint
  • Supports two-way navigation, so the user can navigate the connected GeoView by panning and zooming the overview.
  • Exposes a Map property to allow use of a custom basemap. Defaults to an empty map with a topographic basemap.

Key properties

OverviewMap has the following bindable properties:

  • AreaSymbol - Defines the symbol used to visualize the current viewpoint when connected to a map. This is a red rectangle by default.
  • GeoView - References the connected MapView or SceneView
  • Map - Defines the map shown in the inset/overview.
  • PointSymbol - Defines the symbol used to visualize the current viewpoint when connected to a scene. This is a red cross by default.
  • ScaleFactor - Defines the scale of the OverviewMap relative to the scale of the connected GeoView. The default is 25.

Usage

.NET MAUI:

<Grid xmlns:esri="http://schemas.esri.com/arcgis/runtime/2013">
    <esri:MapView x:Name="MyMapView" />
    <esri:OverviewMap Margin="4"
                      GeoView="{x:Reference MyMapView}" />
</Grid>

WinUI/UWP:

<Grid xmlns:esri="using:Esri.ArcGISRuntime.UI.Controls"
      xmlns:toolkit="using:Esri.ArcGISRuntime.Toolkit.UI.Controls">
    <esri:MapView x:Name="MyMapView" />
    <toolkit:OverviewMap Margin="4"
                         GeoView="{x:Bind MyMapView}" />
</Grid>

WPF:

<Grid xmlns:esri="http://schemas.esri.com/arcgis/runtime/2013">
    <esri:MapView x:Name="MyMapView" />
    <esri:OverviewMap Margin="4"
                      GeoView="{Binding ElementName=MyMapView}" />
</Grid>