Initialize viewer with local language

viewer-localisation.js

//////////////////////////////////////////////////////////////////////////
// Get token from our API URL.
// Current View & Data API requires a synchronous method
//
//////////////////////////////////////////////////////////////////////////
var getToken = function () {

    var xhr = new XMLHttpRequest();
    xhr.open("GET", '/api/token', false);
    xhr.send(null);

    var response = JSON.parse(xhr.responseText);

    return response.access_token;
};

//////////////////////////////////////////////////////////////////////////
// on html document loaded
//
//////////////////////////////////////////////////////////////////////////
function onload() {

    //List of Supported Languages:
    // Chinese Simplified: zh-cn
    // Chinese Traditional: zh-tw
    // Czech: cs
    // English: en
    // French: fr
    // German: de
    // Italian: it
    // Japanese: ja
    // Korean: ko
    // Polish: pl
    // Portuguese Brazil: pt-br
    // Russian: ru
    // Spanish: es
    // Turkish: tr

    var options = {
      language:'fr', //default - en
      env: 'AutodeskProduction',
      getAccessToken: getToken,
      refreshToken: getToken
    };

    urn = Autodesk.Viewing.Private.getParameterByName('urn') || urn;

    Autodesk.Viewing.Initializer(options, function () {

        initializeViewer('viewer', 'urn:' + urn, '3d');
    });
}

//////////////////////////////////////////////////////////////////////////
// Initialize viewer and load model
//
//////////////////////////////////////////////////////////////////////////
function initializeViewer(containerId, urn, role) {

    Autodesk.Viewing.Document.load(urn, function (model) {

        var rootItem = model.getRootItem();

        var geometryItems = Autodesk.Viewing.Document.getSubItemsWithProperties(
          rootItem,
          { 'type': 'geometry', 'role': role },
          true);

        var viewer = new Autodesk.Viewing.Private.GuiViewer3D(
          document.getElementById(containerId));

        viewer.start();

        viewer.load(model.getViewablePath(geometryItems[0]));
        
    }, function (msg) {

        console.log('Error loading document: ' + msg);
    });
}