Overlay basemap layers

Learn how to overlay a static basemap layer with a map tile layer.

The static basemap tiles service provides access to raster basemap tiles for the world. The service supports a number of ArcGIS styles, including arcgis/imagery/labels and arcgis/oceans/labels that you can overlay on top of existing map tile layers.

In this tutorial, you overlay the arcgis/imagery/labels static basemap tiles with the World Imagery tile layer to provide place labels and geographic context.

Prerequisites

Steps

Get the starter app

Select a type of authentication below and follow the steps to create a new application.

Set up authentication

Create developer credentials in your portal for the type of authentication you selected.

Set developer credentials

Use the API key or OAuth developer credentials created in the previous step in your application.

Get a Cesium ion access token

All Cesium applications must use an access token provided through Cesium ion. This token allows you to access assets such as Cesium World Terrain in your application.

1. Go to your Cesium ion dashboard to generate an access token. Copy the key to your clipboard.

2. Create a cesiumAccessToken variable and replace YOUR_CESIUM_ACCESS_TOKEN with the access token you copied from the Cesium ion dashboard.

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     <script>
   
       /* Use for API key authentication */
       const accessToken = "YOUR_ACCESS_TOKEN";
   
       // or
   
       /* Use for user authentication */
       // const session = await arcgisRest.ArcGISIdentityManager.beginOAuth2({
       //   clientId: "YOUR_CLIENT_ID", // Your client ID from OAuth credentials
       //   redirectUri: "YOUR_REDIRECT_URI", // The redirect URL registered in your OAuth credentials
       //   portal: "YOUR_PORTAL_URL" // Your portal URL
       // })
   
       // const accessToken = session.token;
   
       Cesium.ArcGisMapService.defaultAccessToken = accessToken;
   
       const cesiumAccessToken = "YOUR_CESIUM_ACCESS_TOKEN";
   
     </script>
   

3. Configure Cesium.Ion.defaultAccessToken with the Cesium access token to validate the application.

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     <script>
   
       /* Use for API key authentication */
       const accessToken = "YOUR_ACCESS_TOKEN";
   
       // or
   
       /* Use for user authentication */
       // const session = await arcgisRest.ArcGISIdentityManager.beginOAuth2({
       //   clientId: "YOUR_CLIENT_ID", // Your client ID from OAuth credentials
       //   redirectUri: "YOUR_REDIRECT_URI", // The redirect URL registered in your OAuth credentials
       //   portal: "YOUR_PORTAL_URL" // Your portal URL
       // })
   
       // const accessToken = session.token;
   
       Cesium.ArcGisMapService.defaultAccessToken = accessToken;
   
       const cesiumAccessToken = "YOUR_CESIUM_ACCESS_TOKEN";
   
       Cesium.Ion.defaultAccessToken = cesiumAccessToken;
   
     </script>
   

Update the camera viewpoint

1. Update the camera viewpoint to [-98.5795, 39.8283] and scale to 3000000. This will focus the map on the United States of America.

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         viewer.camera.setView({
           destination: Cesium.Cartesian3.fromDegrees(-98.5795, 39.8283, 1000000)
         });
   

Add map tile layer

Use the Cesium.ArcGisMapServerImageryProvider to access and display data from the World Imagery map tile service.

1. Create a tileLayer from Cesium.ArcGisMapServerImageryProvider and pass in the World Imagery map tile service.

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         const tileLayer = Cesium.ArcGisMapServerImageryProvider.fromUrl(
           "https://ibasemaps-api.arcgis.com/arcgis/rest/services/World_Imagery/MapServer",
           {
             token: accessToken
           }
         );
   
   

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2. Once the tile layer is created, add it to the Cesium viewer's imagery layers. The b

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         const tileLayer = Cesium.ArcGisMapServerImageryProvider.fromUrl(
           "https://ibasemaps-api.arcgis.com/arcgis/rest/services/World_Imagery/MapServer",
           {
             token: accessToken
           }
         );
   
         viewer.scene.imageryLayers.add(Cesium.ImageryLayer.fromProviderAsync(tileLayer));
   

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Add basemap layer

You will add a basemap layer using the Cesium.ArcGisMapServerImageryProvider with the arcgis/imagery/labels style from the static basemap tiles service. This basemap layer will be placed on top of the existing tile layer.

1. Create a basemapLayer from Cesium.ArcGisMapServerImageryProvider and pass in the arcgis/imagery/labels style from the static basemap tiles service.

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         const staticBasemapImagery = new Cesium.UrlTemplateImageryProvider({
           url: `https://static-map-tiles-api.arcgis.com/arcgis/rest/services/static-basemap-tiles-service/v1/arcgis/imagery/labels/static/tile/{z}/{y}/{x}?token=${accessToken}`,
           tileWidth: 512,
           tileHeight: 512,
           credit: "Powered by <a href='https://www.esri.com/en-us/home' target='_blank'>Esri</a>"
         });
   
   

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2. Once the basemap layer is created, add it on top of the map tile layer so it overlays correctly.

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         const staticBasemapImagery = new Cesium.UrlTemplateImageryProvider({
           url: `https://static-map-tiles-api.arcgis.com/arcgis/rest/services/static-basemap-tiles-service/v1/arcgis/imagery/labels/static/tile/{z}/{y}/{x}?token=${accessToken}`,
           tileWidth: 512,
           tileHeight: 512,
           credit: "Powered by <a href='https://www.esri.com/en-us/home' target='_blank'>Esri</a>"
         });
   
         viewer.scene.imageryLayers.add(Cesium.ImageryLayer.fromProviderAsync(staticBasemapImagery));
   

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Run the app

Run the app.

The map should display map tiles from the World Imagery map tile service overlaid with labels from the static basemap tiles service.

What's next?

Learn how to use additional ArcGIS location services in these tutorials: