echarts-数据的视觉映射
<!DOCTYPE html> <html style="height: 100%"> <head> <meta charset="utf-8"> </head> <body style="height: 100%; margin: 0"> <div id="container" style="height: 100%"></div> <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts/dist/echarts.min.js"></script> <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts-gl/dist/echarts-gl.min.js"></script> <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts-stat/dist/ecStat.min.js"></script> <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts/dist/extension/dataTool.min.js"></script> <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts/map/js/china.js"></script> <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts/map/js/world.js"></script> <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/echarts/dist/extension/bmap.min.js"></script> <script type="text/javascript"> var dom = document.getElementById("container"); var myChart = echarts.init(dom); var app = {}; option = null; var geoCoordMap = { "海门":[121.15,31.89], "鄂尔多斯":[109.781327,39.608266], "招远":[120.38,37.35], "舟山":[122.207216,29.985295], "齐齐哈尔":[123.97,47.33], "盐城":[120.13,33.38], "赤峰":[118.87,42.28], "青岛":[120.33,36.07], "乳山":[121.52,36.89], "金昌":[102.188043,38.520089], "泉州":[118.58,24.93], "莱西":[120.53,36.86], "日照":[119.46,35.42], "胶南":[119.97,35.88], "南通":[121.05,32.08], "拉萨":[91.11,29.97], "云浮":[112.02,22.93], "梅州":[116.1,24.55], "文登":[122.05,37.2], "上海":[121.48,31.22], "攀枝花":[101.718637,26.582347], "威海":[122.1,37.5], "承德":[117.93,40.97], "厦门":[118.1,24.46], "汕尾":[115.375279,22.786211], "潮州":[116.63,23.68], "丹东":[124.37,40.13], "太仓":[121.1,31.45], "曲靖":[103.79,25.51], "烟台":[121.39,37.52], "福州":[119.3,26.08], "瓦房店":[121.979603,39.627114], "即墨":[120.45,36.38], "抚顺":[123.97,41.97], "玉溪":[102.52,24.35], "张家口":[114.87,40.82], "阳泉":[113.57,37.85], "莱州":[119.942327,37.177017], "湖州":[120.1,30.86], "汕头":[116.69,23.39], "昆山":[120.95,31.39], "宁波":[121.56,29.86], "湛江":[110.359377,21.270708], "揭阳":[116.35,23.55], "荣成":[122.41,37.16], "连云港":[119.16,34.59], "葫芦岛":[120.836932,40.711052], "常熟":[120.74,31.64], "东莞":[113.75,23.04], "河源":[114.68,23.73], "淮安":[119.15,33.5], "泰州":[119.9,32.49], "南宁":[108.33,22.84], "营口":[122.18,40.65], "惠州":[114.4,23.09], "江阴":[120.26,31.91], "蓬莱":[120.75,37.8], "韶关":[113.62,24.84], "嘉峪关":[98.289152,39.77313], "广州":[113.23,23.16], "延安":[109.47,36.6], "太原":[112.53,37.87], "清远":[113.01,23.7], "中山":[113.38,22.52], "昆明":[102.73,25.04], "寿光":[118.73,36.86], "盘锦":[122.070714,41.119997], "长治":[113.08,36.18], "深圳":[114.07,22.62], "珠海":[113.52,22.3], "宿迁":[118.3,33.96], "咸阳":[108.72,34.36], "铜川":[109.11,35.09], "平度":[119.97,36.77], "佛山":[113.11,23.05], "海口":[110.35,20.02], "江门":[113.06,22.61], "章丘":[117.53,36.72], "肇庆":[112.44,23.05], "大连":[121.62,38.92], "临汾":[111.5,36.08], "吴江":[120.63,31.16], "石嘴山":[106.39,39.04], "沈阳":[123.38,41.8], "苏州":[120.62,31.32], "茂名":[110.88,21.68], "嘉兴":[120.76,30.77], 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"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(geoCoord.concat(data[i].value)); } } return res; }; option = { backgroundColor: '#404a59', 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' }, legend: { orient: 'vertical', top: 'bottom', left: 'right', data:['pm2.5'], textStyle: { color: '#fff' } }, visualMap: { min: 0, max: 300, splitNumber: 5, color: ['#d94e5d','#eac736','#50a3ba'], textStyle: { color: '#fff' } }, geo: { map: 'china', label: { emphasis: { show: false } }, itemStyle: { normal: { areaColor: '#323c48', borderColor: '#111' }, emphasis: { areaColor: '#2a333d' } } }, series: [ { name: 'pm2.5', type: 'scatter', coordinateSystem: 'geo', data: convertData([ {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: 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{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", 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