
//var viewModels = [
  //  { id: "racsimple", label: "Revit House", urn: "dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6bW9kZWwyMDE2LTEwLTA0LTE5LTU4LTQ2LWJyd2gzc2l2aWVnMDdhZTV4cnV0NWt1ZGY1cmQvR2F0ZUhvdXNlLm53ZA"},
    //{ id: "racadvanced", label: "Revit School", urn: "dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6bW9kZWwyMDE1LTA3LTI5LTIxLTEwLTQzLXdxbWpzN3FyZXN0dGtxYXV3NGdxa3phanZoZG8vcmFjX2FkdmFuY2VkX3NhbXBsZV9wcm9qZWN0LnJ2dA=="}
//];
var viewModels = [{ id: "racsimple", label: "Revit House", urn: "dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6bW9kZWwyMDE2LTEwLTA4LTAyLTA0LTE0LWZza3Jsa3FqbmpibGc5bGFuOGh4aDJ5eGhkbGMvR2F0ZUhvdXNlLm53ZA"}];
var currentModel = 0;

var viewer3D;
var viewer2D;

var metadata;

var _blockEventMain = false;
var _blockEventSecondary = false;

$(document).ready(function() {

        //  get and refresh token function
    var getToken =  function() {
        var accessToken;

        $.ajax({
            type: "GET",
            url: "api/auth",
            async: false,
            success : function(data) {
                accessToken = data.access_token;
            }
        });

        return accessToken;
    }

        //  viewer initializer
    function initialize() {
        var options = {
            env: "AutodeskProduction",
            getAccessToken: getToken,
            refreshToken: getToken
        };

        Autodesk.Viewing.Initializer(options, function () {
            
            var viewer3DContainer = document.getElementById("viewer3D");
            viewer3D = new Autodesk.Viewing.Private.GuiViewer3D(viewer3DContainer, {});

            var viewer2DContainer = document.getElementById("viewer2D");
            viewer2D = new Autodesk.Viewing.Private.GuiViewer3D(viewer2DContainer, {});

            viewer2D.addEventListener(Autodesk.Viewing.GEOMETRY_LOADED_EVENT, function (event) {
                viewer2D.toolbar.setVisible(false); // hide the tool bar in 2d viewer
            });

            viewer3D.addEventListener(Autodesk.Viewing.GEOMETRY_LOADED_EVENT, function (event) {
                panelDisabled = false;  // enable panel after geometry loaded
                initializeMarker();     // init marker layer
            });

            viewer3D.start();
            viewer2D.start();

                // select object with same dbId in 3d viewer
            viewer3D.addEventListener(Autodesk.Viewing.SELECTION_CHANGED_EVENT, function (event) {        
                if (_blockEventSecondary)
                    return;
                _blockEventMain = true;
                viewer2D.select(viewer3D.getSelection());
                _blockEventMain = false;
            });

                // select object with same dbId in 2d viewer
            viewer2D.addEventListener(Autodesk.Viewing.SELECTION_CHANGED_EVENT, function (event) {
                if (_blockEventMain)
                    return;
                _blockEventSecondary = true;
                viewer3D.select(viewer2D.getSelection()); 
                _blockEventSecondary = false;
            });

            loadDocument(viewModels[currentModel].urn);
        });
    }

    initialize();
    metadata = JSON.parse(rac); // read hardwired location data for coordinate system mapping
    initDraggableDiv();         // init draggable behavieor for viewer2D container

});

function loadDocument (urnStr, cb3d, cb2d) {

        // disable panel while loading document
    panelDisabled = true;

    var urn = "urn:" + 'dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6bW9kZWwyMDE2LTEwLTA0LTE5LTU4LTQ2LWJyd2gzc2l2aWVnMDdhZTV4cnV0NWt1ZGY1cmQvR2F0ZUhvdXNlLm53ZA';//urnStr;
    Autodesk.Viewing.Document.load(urn,

        // onSuccessCallback
        function (document) {
            var geometryItems3D = Autodesk.Viewing.Document.getSubItemsWithProperties(document.getRootItem(), {'type':'geometry', 'role':'3d'}, true);
            var geometryItems2D = Autodesk.Viewing.Document.getSubItemsWithProperties(document.getRootItem(), {'type':'geometry', 'role':'2d'}, true);

            viewer3D.load(document.getViewablePath(geometryItems3D[0]), null, function () {if (cb3d) cb3d();});
            viewer2D.load(document.getViewablePath(geometryItems2D[0]), null, function () {if (cb2d) cb2d();});
        },

        // onErrorCallback
        function (msg) {
            console.log("Error loading document: " + msg);
        }
    );
}
@@ -534,83 +534,88 @@
 2LTE
-wLTA4LTAyLTA0LTE0LWZza3Jsa3FqbmpibGc5bGFuOGh4aDJ5eGhkbGMvR2F0ZUhvdXNlLm53ZA
+xLTExLTEyLTQxLTA3LXlldmJwbHl0Yzkya3Y2cGtqdW10Z2F5ZnJ3dTAvUkEtUy1CdWlsZGluZy5ydnQ
 %22%7D%5D;
@@ -4358,8 +4358,9 @@
     );%0A%7D
+%0A

Update model.js