��坊':[116.7,39.53],
                    '菏泽':[115.480656,35.23375],
                    '合肥':[117.27,31.86],
                    '武汉':[114.31,30.52],
                    '大庆':[125.03,46.58]
                };

                var convertData = function (data) {
                    var res = [];
                    for (var i = 0; i < data.length; i++) {
                        var geoCoord = geoCoordMap[data[i].name];
                        if (geoCoord) {
                            res.