数据随机分布echarts scatter配置项内容和展示

      var data = [
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    ['成都', 19974678, 337098],
    ['上海', 15337713, 311951],
    ['天津', 7690265, 249261],
    ['合肥', 7463377, 246580],
    ['保定', 4944984, 213972],
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    ['杭州', 9939205, 204254],
    ['广州', 11132403, 196400],
    ['石家庄', 4929591, 194584],
    ['重庆', 9712405, 193426],
    ['济南', 6426206, 189144],
    ['武汉', 10101802, 188482],
    ['西安', 9263277, 182013],
    ['温州', 6693456, 179247],
    ['苏州', 7460170, 175790],
    ['邯郸', 2519518, 173902],
    ['宁波', 5940733, 161661],
    ['徐州', 3331736, 160347],
    ['哈尔滨', 5395047, 156469],
    ['深圳', 9003278, 156152],
    ['临沂', 3505675, 152360],
    ['信阳', 3078942, 144732],
    ['唐山', 2894794, 137722],
    ['东莞', 6612096, 137445],
    ['安阳', 2306611, 133127],
    ['长沙', 6729346, 130504],
    ['青岛', 4772955, 128872],
    ['长春', 4632757, 127656],
    ['菏泽', 2026741, 126185],
    ['南京', 5856068, 118450],
    ['沧州', 2297719, 118018],
    ['沈阳', 4104078, 115890],
    ['泉州', 4256510, 108066],
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    ['商丘', 3083536, 103579],
    ['新乡', 2342006, 102970],
    ['邢台', 1713595, 101552],
    ['聊城', 1434898, 95364],
    ['无锡', 4341217, 95132],
    ['金华', 3156206, 91038],
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    ['昆明', 6148486, 87639],
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    ['南通', 2667003, 67721],
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    ['贵阳', 3494768, 65588],
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    ['咸阳', 2028933, 63593],
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    ['濮阳', 999452, 57086],
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    ['烟台', 1947813, 50798],
    ['宜春', 1476480, 50730],
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    ['宿迁', 1173667, 49841],
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    ['淮安', 1236965, 48134],
    ['乌鲁木齐', 2295628, 47773],
    ['滨州', 1029521, 47102],
    ['海口', 2152477, 44219],
    ['承德', 821913, 44184],
    ['通辽', 874956, 41978],
    ['渭南', 1013918, 41513],
    ['中山', 1657189, 41418],
    ['临汾', 1112806, 41228],
    ['九江', 1013617, 40232],
    ['晋中', 1433269, 39885],
    ['秦皇岛', 880714, 39876],
    ['芜湖', 1233834, 39254],
    ['大庆', 939411, 39084],
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    ['赤峰', 977885, 38233],
    ['西宁', 1322751, 37902],
    ['淄博', 1259799, 37796],
    ['绥化', 807750, 37480],
    ['齐齐哈尔', 904113, 37265],
    ['银川', 1430873, 37227],
    ['吕梁', 887242, 36422],
    ['榆林', 1069251, 36028],
    ['绵阳', 1382909, 35620],
    ['泰州', 1548913, 35261],
    ['安庆', 878816, 34386],
    ['南充', 1443739, 34351],
    ['蚌埠', 691772, 33866],
    ['鞍山', 1112285, 33725],
    ['东营', 924879, 33594],
    ['漳州', 1165568, 32981],
    ['牡丹江', 672556, 31964],
    ['漯河', 773144, 31905],
    ['四平', 683640, 31364],
    ['葫芦岛', 647507, 31341],
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    ['锦州', 729669, 30194],
    ['莆田', 1198804, 29588],
    ['日照', 808452, 29497],
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    ['岳阳', 1219058, 29302],
    ['汕头', 1142089, 29054],
    ['襄阳', 1159949, 29036],
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    ['泸州', 898507, 28708],
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    ['孝感', 924270, 28330],
    ['达州', 837899, 28324],
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    ['宝鸡', 711445, 22766],
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    ['遵义', 1019666, 21796],
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    ['荆州', 845447, 21630],
    ['江门', 1102556, 21617],
    ['宁德', 668426, 20583],
    ['淮北', 399913, 20242],
    ['黄冈', 666740, 20070],
    ['营口', 633490, 19981],
    ['宣城', 513340, 19925],
    ['永州', 595692, 19539],
    ['邵阳', 617547, 19531],
    ['宿州', 389865, 19359],
    ['株洲', 864782, 19333],
    ['晋城', 696715, 19304],
    ['伊犁', 562803, 19143],
    ['南平', 559088, 19139],
    ['延安', 439796, 18794],
    ['凉山', 565468, 18769],
    ['白城', 380776, 18564],
    ['娄底', 661871, 18275],
    ['通化', 476026, 17951],
    ['三明', 541281, 17930],
    ['景德镇', 450596, 17812],
    ['辽阳', 488702, 17798],
    ['黔东南', 713507, 17699],
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    ['三门峡', 478884, 17448],
    ['珠海', 824605, 16960],
    ['龙岩', 548303, 16894],
    ['庆阳', 455949, 16780],
    ['黑河', 463683, 16660],
    ['茂名', 660191, 16646],
    ['自贡', 565454, 16573],
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    ['黄石', 487878, 15881],
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    ['资阳', 526695, 15735],
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    ['萍乡', 374092, 13655],
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    ['黔南', 815089, 13069],
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    ['鸡西', 329229, 12848],
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    ['安康', 327729, 12500],
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    ['巴彦淖尔', 362104, 12017],
    ['乌兰察布', 329638, 11991],
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    ['广元', 432628, 11715],
    ['潮州', 417449, 11669],
    ['黔西南', 423078, 11600],
    ['荆门', 446891, 11581],
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    ['鹤岗', 235901, 11306],
    ['阿坝', 459895, 11268],
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    ['白山', 287435, 10971],
    ['池州', 265837, 10456],
    ['梧州', 409002, 10041],
    ['六盘水', 383208, 9945],
    ['阳江', 411851, 9917],
    ['广安', 397395, 9808],
    ['鹰潭', 211874, 9744],
    ['新余', 261508, 9544],
    ['随州', 330208, 9421],
    ['巴中', 335496, 9256],
    ['钦州', 396462, 9097],
    ['百色', 356015, 8958],
    ['天水', 247623, 8957],
    ['黄山', 263087, 8934],
    ['巴音郭楞', 290662, 8888],
    ['吴忠', 255943, 8765],
    ['咸宁', 263896, 8674],
    ['河池', 335870, 8645],
    ['锡林郭勒盟', 252764, 8564],
    ['张家界', 285836, 8450],
    ['辽源', 218556, 8326],
    ['济源', 222617, 8284],
    ['安顺', 325691, 8186],
    ['七台河', 173618, 8158],
    ['定西', 233576, 7872],
    ['红河', 383480, 7834],
    ['玉溪', 434672, 7724],
    ['昌吉', 266133, 7636],
    ['鄂州', 259327, 7589],
    ['大理', 415883, 7500],
    ['攀枝花', 294444, 7379],
    ['来宾', 305762, 7258],
    ['三亚', 278406, 6917],
    ['贺州', 211295, 6897],
    ['阿克苏', 241924, 6635],
    ['石河子', 263066, 6518],
    ['乌海', 181415, 6401],
    ['塔城', 141885, 6379],
    ['雅安', 232592, 6253],
    ['酒泉', 248277, 6237],
    ['昭通', 271709, 6120],
    ['西双版纳', 230051, 5899],
    ['甘孜', 187551, 5845],
    ['朔州', 187374, 5804],
    ['云浮', 233247, 5646],
    ['石嘴山', 160954, 5446],
    ['阿勒泰', 119894, 5446],
    ['固原', 115730, 5330],
    ['德宏', 187283, 5308],
    ['崇左', 252581, 5284],
    ['铜川', 153305, 5164],
    ['中卫', 126650, 5034],
    ['喀什', 199888, 4895],
    ['铜陵', 148938, 4854],
    ['保山', 184770, 4790],
    ['临夏', 149032, 4789],
    ['文山', 218143, 4601],
    ['仙桃', 161571, 4447],
    ['临沧', 164406, 4430],
    ['普洱', 179639, 4136],
    ['海西', 120350, 3933],
    ['天门', 138415, 3830],
    ['潜江', 146951, 3797],
    ['博尔塔拉', 80702, 3642],
    ['金昌', 135206, 3541],
    ['克拉玛依', 139711, 3498],
    ['大兴安岭', 85744, 3479],
    ['哈密', 133494, 3296],
    ['陇南', 138920, 3160],
    ['丽江', 190500, 3151],
    ['玉树', 34551, 3124],
    ['防城港', 119752, 2900],
    ['楚雄', 169019, 2827],
    ['吐鲁番', 103614, 2815],
    ['海东', 72204, 2596],
    ['阿拉善盟', 80279, 2443],
    ['甘南', 81210, 2392],
    ['海南', 49902, 2217],
    ['香港', 267266, 2169],
    ['日喀则', 35389, 2128],
    ['嘉峪关', 75620, 2102],
    ['黄南', 28136, 2002],
    ['儋州', 78438, 1913],
    ['万宁', 60484, 1800],
    ['海北', 41435, 1650],
    ['山南', 29861, 1630],
    ['林芝', 31411, 1477],
    ['文昌', 49782, 1378],
    ['琼海', 51914, 1363],
    ['怒江', 41897, 1323],
    ['那曲', 18739, 1309],
    ['陵水', 46015, 1222],
    ['迪庆', 90362, 1202],
    ['乐东', 28038, 1109],
    ['和田', 42631, 1066],
    ['昌都', 24451, 924],
    ['果洛', 23445, 879],
    ['克孜勒苏柯尔克孜', 25540, 751],
    ['澄迈县', 22594, 740],
    ['东方', 27996, 663],
    ['澳门', 74619, 659],
    ['临高县', 16297, 574],
    ['保亭', 11443, 465],
    ['定安县', 11819, 422],
    ['昌江', 16500, 386],
    ['白沙', 10080, 294],
    ['神农架', 12388, 282],
    ['五指山', 9834, 226],
    ['屯昌县', 8824, 207],
    ['琼中', 4381, 205],
    ['阿里', 5296, 167],
    ['阿拉尔', 4640, 141],
    ['五家渠', 673, 18],
    ['图木舒克', 153, 8]
];

var min = Infinity;
var max = -Infinity;
data.forEach(function (item) {
    max = Math.max(item[2], max);
    min = Math.min(item[2], min);
});

var geoJsonUrl = 'https://rawgit.com/ecomfe/echarts/master/map/json/china-cities.json';
$.getJSON(geoJsonUrl, function (json) {
    echarts.registerMap('china-cities', json);
    
    myChart.setOption({
        backgroundColor: '#404a59',
        geo: {
            map: 'china-cities',
            silent: true,
            itemStyle: {
                normal: {
                    areaColor: '#323c48',
                    borderColor: '#111',
                    borderWidth: 0.1
                },
                emphasis: {
                    areaColor: '#2a333d'
                }
            }
        },
        series: [{
            type: 'scatter',
            coordinateSystem: 'geo',
            data: []
        }]
    });
    
    
    var geo = myChart.getModel().getComponent('geo').coordinateSystem;
        
    var points = [];
    data.forEach(function (item) {
        var randomCount = Math.round(item[2] / (max / 1000));
        console.log(randomCount);
        var name = item[0].replace('柯尔克孜', '');
        var region = geo.getRegion(name);
        if (!region) {
            return;
        }
        var rect = region.getBoundingRect();
        
        console.log(randomCount);
        for (var i = 0; i < randomCount; i++) {
            var coord = [Infinity, Infinity];
            while (!region.contain(coord)) {
                coord[0] = rect.x + Math.random() * rect.width;
                coord[1] = rect.y + Math.random() * rect.height;
            }
            points.push(coord);
        }
    });
    
    myChart.setOption({
        series: [{
            data: points,
            blendMode: 'lighter',
            symbolSize: 2,
            itemStyle: {
                normal: {
                    shadowBlur: 2,
                    shadowColor: 'rgba(37, 140, 249, 0.2)',
                    color: 'rgba(37, 140, 249, 0.2)'
                }
            },
        }]
    })
    
});