gistfile1.js

 svc.digits = svc.aux;

    function poll() {
        $http.get('state.json').
            success(function (data, status, headers, config) {
                svc.markers = data;
                svc.aux = 10;
                console.log(svc.digits); //undefined
            }).
            error(function (data, status, headers, config) {
                console.log("error");
            });
    }