Change language labels for static basemap tiles

Learn how to change language labels for static basemap tiles.

Change language labels for static basemap tiles using API key authentication

The provides a number of different styles that you can use in your Esri Leaflet applications. Each style accepts a language parameter, which allows you to localize place labels. There are currently more than 5 different languages available.

In this tutorial, you use a <select> dropdown menu to toggle between a number of different language labels for the static basemap tiles.

Prerequisites

Steps

Get the starter app

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

You can choose one of the following to create a new CodePen:

  • Option 1: Complete the Display a map tutorial; or,
  • Option 2: Start from the Display a map tutorial .

Set up authentication

Create in your for the type of authentication you selected.

Create a new with to access the resources used in this tutorial.

  1. Go to the Create an API key tutorial and create an with the following :
    • Privileges
      • Location services > Basemaps > Static basemap tiles (beta)
  2. When prompted, copy and paste the API key to a safe location. It will be used in the next step.

Set developer credentials

Use the API key or OAuth so your application can access .

  1. Update the accessToken variable to use your API key.

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      <script>
    
        /* Use for API key authentication */
        const accessToken = "YOUR_ACCESS_TOKEN";
    
        const map = L.map("map", {
          minZoom: 2
        })
    
        map.setView([34.02, -118.805], 13);
    
        const basemapEnum = "arcgis/streets";
    
        L.esri.Vector.vectorBasemapLayer(basemapEnum, {
          token: accessToken
        }).addTo(map);
    
      </script>
    

Update script references

The map will use static basemap tiles as its . Therefore, you remove references to the esri-leaflet-vector plugin and the vector basemap layer. Then, you reference the staticBasemapTileLayer plugin.

  1. Remove the script references to esri-leaflet-vector plugin.

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    <head>
      <meta charset="utf-8" />
      <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
      <title>Esri Leaflet Tutorials: Display a map</title>
    
      <!-- Load Leaflet from CDN -->
      <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" crossorigin="" />
      <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" crossorigin=""></script>
    
      <!-- Load Esri Leaflet from CDN -->
      <script src="https://unpkg.com/esri-leaflet@3.0.14/dist/esri-leaflet.js"></script>
    
      <script src="https://unpkg.com/esri-leaflet-vector@4.2.7/dist/esri-leaflet-vector.js"></script>
    
  2. Remove the basemapEnum and vectorBasemapLayer references.

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        const map = L.map("map", {
          minZoom: 2
        })
    
        map.setView([34.02, -118.805], 13);
    
        const basemapEnum = "arcgis/streets";
    
        L.esri.Vector.vectorBasemapLayer(basemapEnum, {
          token: accessToken
        }).addTo(map);
    
  3. Add <script> tag to reference the library.

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      <!-- Load Leaflet from CDN -->
      <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" crossorigin="" />
      <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" crossorigin=""></script>
    
      <!-- Load Esri Leaflet from CDN -->
      <script src="https://unpkg.com/esri-leaflet@3.0.14/dist/esri-leaflet.js"></script>
    
      <script src="https://unpkg.com/esri-leaflet-static-basemap-tile@1.0.0-beta.2/dist/esri-leaflet-static-basemap-tile.js"></script>
    
    Expand

Update the map's viewpoint

  1. Change the map's center to [47.14, 8.90] and zoom level to 7. This will focus the map on Switzerland.

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        /* 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;
        const map = L.map("map", {
          minZoom: 2
        })
    
        map.setView([47.14, 8.90], 7);
    
    
    Expand

Add the language labels

You will get all the available languages for your selected basemap style and create a menu that allows users to change the display language of your map.

  1. Create a basemapStyle variable that stores the default basemap style, beta/arcgis/navigation.

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        /* 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;
        const map = L.map("map", {
          minZoom: 2
        })
    
        map.setView([47.14, 8.90], 7);
    
        const basemapStyle = 'beta/arcgis/navigation';
    
    
    Expand
  2. Use the getSelf method from L.esri.Static.Util to make a request to the static basemap tiles service that returns all available basemap styles and their metadata.

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        /* 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;
        const map = L.map("map", {
          minZoom: 2
        })
    
        map.setView([47.14, 8.90], 7);
    
        const basemapStyle = 'beta/arcgis/navigation';
    
        L.esri.Static.Util.getSelf(accessToken).then((data) => {
    
        })
    
    Expand
  3. Create a languages object to store all the returned languages available for beta/arcgis/navigation.

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        L.esri.Static.Util.getSelf(accessToken).then((data) => {
    
          const languages = {};
    
        })
    
    Expand
  4. Iterate through each language and create an L.esri.Static.staticBasemapTileLayer, passing the language code to the language property. Store it inside the languages object.

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        L.esri.Static.Util.getSelf(accessToken).then((data) => {
    
          const languages = {};
    
          data.languages.forEach(language => {
            languages[language.name] = L.esri.Static.staticBasemapTileLayer(basemapStyle, {
              token: accessToken,
              language: language.code
            })
          })
    
        })
    
    Expand
  5. Create a Layers control that references languages and add it to your map.

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        L.esri.Static.Util.getSelf(accessToken).then((data) => {
    
          const languages = {};
    
          data.languages.forEach(language => {
            languages[language.name] = L.esri.Static.staticBasemapTileLayer(basemapStyle, {
              token: accessToken,
              language: language.code
            })
          })
    
          L.control.layers(languages, null, { collapsed: false }).addTo(map);
    
        })
    
    Expand
  6. Append addTo to the French entry so that it is the default language when the application loads.

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        L.esri.Static.Util.getSelf(accessToken).then((data) => {
    
          const languages = {};
    
          data.languages.forEach(language => {
            languages[language.name] = L.esri.Static.staticBasemapTileLayer(basemapStyle, {
              token: accessToken,
              language: language.code
            })
          })
    
          L.control.layers(languages, null, { collapsed: false }).addTo(map);
    
          languages['French'].addTo(map);
    
        })
    
    Expand

Run the app

Run the app.

The map should be displayed in French and you should be able to use the controls to switch between language labels.

What's next?

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

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You can no longer sign into this site. Go to your ArcGIS portal or the ArcGIS Location Platform dashboard to perform management tasks.

Your ArcGIS portal

Create, manage, and access API keys and OAuth 2.0 developer credentials, hosted layers, and data services.

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Manage billing, monitor service usage, and access additional resources.

Learn more about these changes in the What's new in Esri Developers June 2024 blog post.

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