          });
        }

        function start() {
            SceneManager.openRotation();
        }

        function stop() {
            SceneManager.closeRotation();
        }

        function gohome() {
            SceneManager.goHome();
        }
    </script>
</head>

<body onload="init()">
    <div id="GlobeView">
        <div class="message">
            <button id="openRotation" onclick="start()">开启自转</button>
            <button id="closeRotation" onclick="stop()">关闭自转</button>