
var data = [
    {name: '海门', value: 9},
    {name: '鄂尔多斯', value: 12},
    {name: '招远', value: 12},
    {name: '舟山', value: 12},
    {name: '齐齐哈尔', value: 14},
    {name: '盐城', value: 15},
    {name: '赤峰', value: 16},
    {name: '青岛', value: 18},
    {name: '乳山', value: 18},
    {name: '金昌', value: 19},
    {name: '泉州', value: 21},
    {name: '莱西', value: 21},
    {name: '日照', value: 21},
    {name: '胶南', value: 22},
    {name: '南通', value: 23},
    {name: '拉萨', value: 24},
    {name: '云浮', value: 24},
    {name: '梅州', value: 25},
    {name: '文登', value: 25},
    {name: '上海', value: 25},
    {name: '攀枝花', value: 25},
    {name: '威海', value: 25},
    {name: '承德', value: 25},
    {name: '厦门', value: 26},
    {name: '汕尾', value: 26},
    {name: '潮州', value: 26},
    {name: '丹东', value: 27},
    {name: '太仓', value: 27},
    {name: '曲靖', value: 27},
    {name: '烟台', value: 28},
    {name: '福州', value: 29},
    {name: '瓦房店', value: 30},
    {name: '即墨', value: 30},
    {name: '抚顺', value: 31},
    {name: '玉溪', value: 31},
    {name: '张家口', value: 31},
    {name: '阳泉', value: 31},
    {name: '莱州', value: 32},
    {name: '湖州', value: 32},
    {name: '汕头', value: 32},
    {name: '昆山', value: 33},
    {name: '宁波', value: 33},
    {name: '湛江', value: 33},
    {name: '揭阳', value: 34},
    {name: '荣成', value: 34},
    {name: '连云港', value: 35},
    {name: '葫芦岛', value: 35},
    {name: '常熟', value: 36},
    {name: '东莞', value: 36},
    {name: '河源', value: 36},
    {name: '淮安', value: 36},
    {name: '泰州', value: 36},
    {name: '南宁', value: 37},
    {name: '营口', value: 37},
    {name: '惠州', value: 37},
    {name: '江阴', value: 37},
    {name: '蓬莱', value: 37},
    {name: '韶关', value: 38},
    {name: '嘉峪关', value: 38},
    {name: '广州', value: 38},
    {name: '延安', value: 38},
    {name: '太原', value: 39},
    {name: '清远', value: 39},
    {name: '中山', value: 39},
    {name: '昆明', value: 39},
    {name: '寿光', value: 40},
    {name: '盘锦', value: 40},
    {name: '长治', value: 41},
    {name: '深圳', value: 41},
    {name: '珠海', value: 42},
    {name: '宿迁', value: 43},
    {name: '咸阳', value: 43},
    {name: '铜川', value: 44},
    {name: '平度', value: 44},
    {name: '佛山', value: 44},
    {name: '海口', value: 44},
    {name: '江门', value: 45},
    {name: '章丘', value: 45},
    {name: '肇庆', value: 46},
    {name: '大连', value: 47},
    {name: '临汾', value: 47},
    {name: '吴江', value: 47},
    {name: '石嘴山', value: 49},
    {name: '沈阳', value: 50},
    {name: '苏州', value: 50},
    {name: '茂名', value: 50},
    {name: '嘉兴', value: 51},
    {name: '长春', value: 51},
    {name: '胶州', value: 52},
    {name: '银川', value: 52},
    {name: '张家港', value: 52},
    {name: '三门峡', value: 53},
    {name: '锦州', value: 54},
    {name: '南昌', value: 54},
    {name: '柳州', value: 54},
    {name: '三亚', value: 54},
    {name: '自贡', value: 56},
    {name: '吉林', value: 56},
    {name: '阳江', value: 57},
    {name: '泸州', value: 57},
    {name: '西宁', value: 57},
    {name: '宜宾', value: 58},
    {name: '呼和浩特', value: 58},
    {name: '成都', value: 58},
    {name: '大同', value: 58},
    {name: '镇江', value: 59},
    {name: '桂林', value: 59},
    {name: '张家界', value: 59},
    {name: '宜兴', value: 59},
    {name: '北海', value: 60},
    {name: '西安', value: 61},
    {name: '金坛', value: 62},
    {name: '东营', value: 62},
    {name: '牡丹江', value: 63},
    {name: '遵义', value: 63},
    {name: '绍兴', value: 63},
    {name: '扬州', value: 64},
    {name: '常州', value: 64},
    {name: '潍坊', value: 65},
    {name: '重庆', value: 66},
    {name: '台州', value: 67},
    {name: '南京', value: 67},
    {name: '滨州', value: 70},
    {name: '贵阳', value: 71},
    {name: '无锡', value: 71},
    {name: '本溪', value: 71},
    {name: '克拉玛依', value: 72},
    {name: '渭南', value: 72},
    {name: '马鞍山', value: 72},
    {name: '宝鸡', value: 72},
    {name: '焦作', value: 75},
    {name: '句容', value: 75},
    {name: '北京', value: 79},
    {name: '徐州', value: 79},
    {name: '衡水', value: 80},
    {name: '包头', value: 80},
    {name: '绵阳', value: 80},
    {name: '乌鲁木齐', value: 84},
    {name: '枣庄', value: 84},
    {name: '杭州', value: 84},
    {name: '淄博', value: 85},
    {name: '鞍山', value: 86},
    {name: '溧阳', value: 86},
    {name: '库尔勒', value: 86},
    {name: '安阳', value: 90},
    {name: '开封', value: 90},
    {name: '济南', value: 92},
    {name: '德阳', value: 93},
    {name: '温州', value: 95},
    {name: '九江', value: 96},
    {name: '邯郸', value: 98},
    {name: '临安', value: 99},
    {name: '兰州', value: 99},
    {name: '沧州', value: 100},
    {name: '临沂', value: 103},
    {name: '南充', value: 104},
    {name: '天津', value: 105},
    {name: '富阳', value: 106},
    {name: '泰安', value: 112},
    {name: '诸暨', value: 112},
    {name: '郑州', value: 113},
    {name: '哈尔滨', value: 114},
    {name: '聊城', value: 116},
    {name: '芜湖', value: 117},
    {name: '唐山', value: 119},
    {name: '平顶山', value: 119},
    {name: '邢台', value: 119},
    {name: '德州', value: 120},
    {name: '济宁', value: 120},
    {name: '荆州', value: 127},
    {name: '宜昌', value: 130},
    {name: '义乌', value: 132},
    {name: '丽水', value: 133},
    {name: '洛阳', value: 134},
    {name: '秦皇岛', value: 136},
    {name: '株洲', value: 143},
    {name: '石家庄', value: 147},
    {name: '莱芜', value: 148},
    {name: '常德', value: 152},
    {name: '保定', value: 153},
    {name: '湘潭', value: 154},
    {name: '金华', value: 157},
    {name: '岳阳', value: 169},
    {name: '长沙', value: 175},
    {name: '衢州', value: 177},
    {name: '廊坊', value: 193},
    {name: '菏泽', value: 194},
    {name: '合肥', value: 229},
    {name: '武汉', value: 273},
    {name: '大庆', value: 279}
];

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    '鄂尔多斯':[109.781327,39.608266],
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    '日照':[119.46,35.42],
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    '云浮':[112.02,22.93],
    '梅州':[116.1,24.55],
    '文登':[122.05,37.2],
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    '攀枝花':[101.718637,26.582347],
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    '承德':[117.93,40.97],
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    '汕尾':[115.375279,22.786211],
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    '丹东':[124.37,40.13],
    '太仓':[121.1,31.45],
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    '河源':[114.68,23.73],
    '淮安':[119.15,33.5],
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    '江阴':[120.26,31.91],
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    '嘉峪关':[98.289152,39.77313],
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    '太原':[112.53,37.87],
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    '昆明':[102.73,25.04],
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    '海口':[110.35,20.02],
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    '肇庆':[112.44,23.05],
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    '银川':[106.27,38.47],
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    '三门峡':[111.19,34.76],
    '锦州':[121.15,41.13],
    '南昌':[115.89,28.68],
    '柳州':[109.4,24.33],
    '三亚':[109.511909,18.252847],
    '自贡':[104.778442,29.33903],
    '吉林':[126.57,43.87],
    '阳江':[111.95,21.85],
    '泸州':[105.39,28.91],
    '西宁':[101.74,36.56],
    '宜宾':[104.56,29.77],
    '呼和浩特':[111.65,40.82],
    '成都':[104.06,30.67],
    '大同':[113.3,40.12],
    '镇江':[119.44,32.2],
    '桂林':[110.28,25.29],
    '张家界':[110.479191,29.117096],
    '宜兴':[119.82,31.36],
    '北海':[109.12,21.49],
    '西安':[108.95,34.27],
    '金坛':[119.56,31.74],
    '东营':[118.49,37.46],
    '牡丹江':[129.58,44.6],
    '遵义':[106.9,27.7],
    '绍兴':[120.58,30.01],
    '扬州':[119.42,32.39],
    '常州':[119.95,31.79],
    '潍坊':[119.1,36.62],
    '重庆':[106.54,29.59],
    '台州':[121.420757,28.656386],
    '南京':[118.78,32.04],
    '滨州':[118.03,37.36],
    '贵阳':[106.71,26.57],
    '无锡':[120.29,31.59],
    '本溪':[123.73,41.3],
    '克拉玛依':[84.77,45.59],
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    '宝鸡':[107.15,34.38],
    '焦作':[113.21,35.24],
    '句容':[119.16,31.95],
    '北京':[116.46,39.92],
    '徐州':[117.2,34.26],
    '衡水':[115.72,37.72],
    '包头':[110,40.58],
    '绵阳':[104.73,31.48],
    '乌鲁木齐':[87.68,43.77],
    '枣庄':[117.57,34.86],
    '杭州':[120.19,30.26],
    '淄博':[118.05,36.78],
    '鞍山':[122.85,41.12],
    '溧阳':[119.48,31.43],
    '库尔勒':[86.06,41.68],
    '安阳':[114.35,36.1],
    '开封':[114.35,34.79],
    '济南':[117,36.65],
    '德阳':[104.37,31.13],
    '温州':[120.65,28.01],
    '九江':[115.97,29.71],
    '邯郸':[114.47,36.6],
    '临安':[119.72,30.23],
    '兰州':[103.73,36.03],
    '沧州':[116.83,38.33],
    '临沂':[118.35,35.05],
    '南充':[106.110698,30.837793],
    '天津':[117.2,39.13],
    '富阳':[119.95,30.07],
    '泰安':[117.13,36.18],
    '诸暨':[120.23,29.71],
    '郑州':[113.65,34.76],
    '哈尔滨':[126.63,45.75],
    '聊城':[115.97,36.45],
    '芜湖':[118.38,31.33],
    '唐山':[118.02,39.63],
    '平顶山':[113.29,33.75],
    '邢台':[114.48,37.05],
    '德州':[116.29,37.45],
    '济宁':[116.59,35.38],
    '荆州':[112.239741,30.335165],
    '宜昌':[111.3,30.7],
    '义乌':[120.06,29.32],
    '丽水':[119.92,28.45],
    '洛阳':[112.44,34.7],
    '秦皇岛':[119.57,39.95],
    '株洲':[113.16,27.83],
    '石家庄':[114.48,38.03],
    '莱芜':[117.67,36.19],
    '常德':[111.69,29.05],
    '保定':[115.48,38.85],
    '湘潭':[112.91,27.87],
    '金华':[119.64,29.12],
    '岳阳':[113.09,29.37],
    '长沙':[113,28.21],
    '衢州':[118.88,28.97],
    '廊坊':[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.push({
                name: data[i].name,
                value: geoCoord.concat(data[i].value)
            });
        }
    }
    return res;
};

function renderItem(params, api) {
    var coords = [
        [116.7,39.53],
        [103.73,36.03],
        [112.91,27.87],
        [120.65,28.01],
        [119.57,39.95]
    ];
    var points = [];
    for (var i = 0; i < coords.length; i++) {
        points.push(api.coord(coords[i]));
    }
    var color = api.visual('color');

    return {
        type: 'polygon',
        shape: {
            points: echarts.graphic.clipPointsByRect(points, {
                x: params.coordSys.x,
                y: params.coordSys.y,
                width: params.coordSys.width,
                height: params.coordSys.height
            })
        },
        style: api.style({
            fill: color,
            stroke: echarts.color.lift(color)
        })
    };
}

option = {
    backgroundColor: 'transparent',
    title: {
        text: '全国主要城市空气质量',
        subtext: 'data from PM25.in',
        sublink: 'http://www.pm25.in',
        left: 'center',
        textStyle: {
            color: '#fff'
        }
    },
    tooltip : {
        trigger: 'item'
    },
    bmap: {
        center: [104.114129, 37.550339],
        zoom: 5,
        roam: true,
        mapStyle: {
            styleJson: [
                    {
                        "featureType": "water",
                        "elementType": "all",
                        "stylers": {
                            "color": "#044161"
                        }
                    },
                    {
                        "featureType": "land",
                        "elementType": "all",
                        "stylers": {
                            "color": "#004981"
                        }
                    },
                    {
                        "featureType": "boundary",
                        "elementType": "geometry",
                        "stylers": {
                            "color": "#064f85"
                        }
                    },
                    {
                        "featureType": "railway",
                        "elementType": "all",
                        "stylers": {
                            "visibility": "off"
                        }
                    },
                    {
                        "featureType": "highway",
                        "elementType": "geometry",
                        "stylers": {
                            "color": "#004981"
                        }
                    },
                    {
                        "featureType": "highway",
                        "elementType": "geometry.fill",
                        "stylers": {
                            "color": "#005b96",
                            "lightness": 1
                        }
                    },
                    {
                        "featureType": "highway",
                        "elementType": "labels",
                        "stylers": {
                            "visibility": "off"
                        }
                    },
                    {
                        "featureType": "arterial",
                        "elementType": "geometry",
                        "stylers": {
                            "color": "#004981"
                        }
                    },
                    {
                        "featureType": "arterial",
                        "elementType": "geometry.fill",
                        "stylers": {
                            "color": "#00508b"
                        }
                    },
                    {
                        "featureType": "poi",
                        "elementType": "all",
                        "stylers": {
                            "visibility": "off"
                        }
                    },
                    {
                        "featureType": "green",
                        "elementType": "all",
                        "stylers": {
                            "color": "#056197",
                            "visibility": "off"
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                    },
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                        "featureType": "subway",
                        "elementType": "all",
                        "stylers": {
                            "visibility": "off"
                        }
                    },
                    {
                        "featureType": "manmade",
                        "elementType": "all",
                        "stylers": {
                            "visibility": "off"
                        }
                    },
                    {
                        "featureType": "local",
                        "elementType": "all",
                        "stylers": {
                            "visibility": "off"
                        }
                    },
                    {
                        "featureType": "arterial",
                        "elementType": "labels",
                        "stylers": {
                            "visibility": "off"
                        }
                    },
                    {
                        "featureType": "boundary",
                        "elementType": "geometry.fill",
                        "stylers": {
                            "color": "#029fd4"
                        }
                    },
                    {
                        "featureType": "building",
                        "elementType": "all",
                        "stylers": {
                            "color": "#1a5787"
                        }
                    },
                    {
                        "featureType": "label",
                        "elementType": "all",
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    series : [
        {
            name: 'pm2.5',
            type: 'scatter',
            coordinateSystem: 'bmap',
            data: convertData(data),
            symbolSize: function (val) {
                return val[2] / 10;
            },
            label: {
                formatter: '{b}',
                position: 'right'
            },
            itemStyle: {
                color: '#ddb926'
            },
            emphasis: {
                label: {
                    show: true
                }
            }
        },
        {
            name: 'Top 5',
            type: 'effectScatter',
            coordinateSystem: 'bmap',
            data: convertData(data.sort(function (a, b) {
                return b.value - a.value;
            }).slice(0, 6)),
            symbolSize: function (val) {
                return val[2] / 10;
            },
            showEffectOn: 'emphasis',
            rippleEffect: {
                brushType: 'stroke'
            },
            hoverAnimation: true,
            label: {
                formatter: '{b}',
                position: 'right',
                show: true
            },
            itemStyle: {
                color: '#f4e925',
                shadowBlur: 10,
                shadowColor: '#333'
            },
            zlevel: 1
        },
        {
            type: 'custom',
            coordinateSystem: 'bmap',
            renderItem: renderItem,
            itemStyle: {
                opacity: 0.5
            },
            animation: false,
            silent: true,
            data: [0],
            z: -10
        }
    ]
};