xt/javascript">
       
        var map = null;
        var drawLayer = null;
        var drawSource = null;
        var interActionLayer = null;
        var interActionSource = null;
        var drawTool = null;
        function init() {
            var tdk = "4c27d6e0e8a90715b23a989d42272fd8";   //天地图密钥
            //加载天地图瓦片图层数据
            var TiandiMap_vectIGS = new Zondy.Map.TianDiTu({
                layerType: Zondy.Enum.Map.TiandituType.VEC_IGS,
                projec