全国主要城市噪音分贝ECharts Gallery

20:11:45图表已生成
代码
var geoCoordMap = {
    "太原": [112.55, 37.87],
    "北京": [116.4, 39.9],
    "天津": [117.2, 39.12],
    "呼和浩特": [111.73, 40.83],
    "沈阳": [123.43, 41.8],
    "大连": [121.62, 38.92],
    "长春": [125.32, 43.9],
    "哈尔滨": [126.53, 45.8],
    "上海": [121.47, 31.23],
    "南京": [118.78, 32.07],
    "杭州": [120.15, 30.28],
    "宁波": [121.55, 29.88],
    "合肥": [117.25, 31.83],
    "福州": [119.3, 26.08],
    "厦门": [118.08, 24.48],
    "南昌": [115.85, 28.68],
    "济南": [116.98, 36.67],
    "青岛": [120.38, 36.07],
    "郑州": [113.62, 34.75],
    "武汉": [114.3, 30.6],
    "长沙": [112.93, 28.23],
    "广州": [113.27, 23.13],
    "深圳": [114.05, 22.55],
    "南宁": [108.37, 22.82],
    "海口": [110.32, 20.03],
    "重庆": [106.55, 29.57],
    "成都": [104.07, 30.67],
    "贵阳": [106.63, 26.65],
    "昆明": [102.72, 25.05],
    "西安": [108.93, 34.27],
    "兰州": [103.82, 36.07],
    "银川": [106.28, 38.47],
    "乌鲁木齐": [87.62, 43.82],
    "西宁": [101.78, 36.62]

};

var data = [{
    name: "太原",
    value: 52.9
}, {
    name: "北京",
    value: 53.3
}, {
    name: "天津",
    value: 54.2
}, {
    name: "石家庄",
    value: 50.8
}, {
    name: "呼和浩特",
    value: 54.1
}, {
    name: "沈阳",
    value: 55.6
}, {
    name: "大连",
    value: 54.2
}, {
    name: "长春",
    value: 56.1
}, {
    name: "哈尔滨",
    value: 58.3
}, {
    name: "上海",
    value: 56.2
}, {
    name: "南京",
    value: 54.2
}, {
    name: "杭州",
    value: 56.2
}, {
    name: "宁波",
    value: 57.0
}, {
    name: "合肥",
    value: 54.4
}, {
    name: "福州",
    value: 56.0
}, {
    name: "厦门",
    value: 56.1
}, {
    name: "南昌",
    value: 53.6
}, {
    name: "济南",
    value: 53.6
}, {
    name: "青岛",
    value: 54.2
}, {
    name: "郑州",
    value: 55
}, {
    name: "武汉",
    value: 55.9
}, {
    name: "长沙",
    value: 54.9
}, {
    name: "广州",
    value: 55.2
}, {
    name: "深圳",
    value: 56.8
}, {
    name: "南宁",
    value: 53.2
}, {
    name: "海口",
    value: 55.0
}, {
    name: "重庆",
    value: 53.6
}, {
    name: "成都",
    value: 54.2
}, {
    name: "贵阳",
    value: 58.9
}, {
    name: "昆明",
    value: 53.5
}, {
    name: "西安",
    value: 54.7
}, {
    name: "兰州",
    value: 54.6
}, {
    name: "银川",
    value: 53.1
}, {
    name: "乌鲁木齐",
    value: 53.7
}, {
    name: "西宁",
    value: 52.2
}];

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;
};

var convertedData = [
    convertData(data),
    convertData(data.sort(function(a, b) {
        return b.value - a.value;
    }).slice(0, 6))
];


option = {
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    animation: true,
    animationDuration: 1000,
    animationEasing: 'cubicInOut',
    animationDurationUpdate: 1000,
    animationEasingUpdate: 'cubicInOut',
    title: [{
        text: '全国主要城市 噪音分贝',
        subtext: 'data from 中国统计局官网',
        sublink: 'http://www.stats.gov.cn/',
        left: 'center',
        textStyle: {
            color: '#fff'
        }
    }, {
        id: 'statistic',
        right: 120,
        top: 40,
        width: 100,
        textStyle: {
            color: '#fff',
            fontSize: 16
        }
    }],
    toolbox: {
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            emphasis: {
                borderColor: '#b1e4ff'
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        seriesIndex: [0, 1],
        throttleType: 'debounce',
        throttleDelay: 300,
        geoIndex: 0
    },
    geo: {
        map: 'china',
        left: '10',
        right: '35%',
        center: [117.98561551896913, 31.205000490896193],
        zoom: 2.5,
        label: {
            emphasis: {
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        roam: true,
        itemStyle: {
            normal: {
                areaColor: '#323c48',
                borderColor: '#111'
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            emphasis: {
                areaColor: '#2a333d'
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    },
    tooltip: {
        trigger: 'item',
        formatter: function(params, ticket, callback) {
            console.log(params)
            var res = "噪音" + "<br />" + params.data.name + " : " + params.data.value[2]
            return res;
        }
    },
    grid: {
        right: 40,
        top: 100,
        bottom: 40,
        width: '30%'
    },
    xAxis: {
        type: 'value',
        scale: true,
        position: 'top',
        boundaryGap: false,
        splitLine: {
            show: false
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        axisLine: {
            show: false
        },
        axisTick: {
            show: false
        },
        axisLabel: {
            margin: 2,
            textStyle: {
                color: '#aaa'
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        },
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    yAxis: {
        type: 'category',
        name: '排名列表',
        nameGap: 16,
        axisLine: {
            show: false,
            lineStyle: {
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            }
        },
        axisTick: {
            show: false,
            lineStyle: {
                color: '#ddd'
            }
        },
        axisLabel: {
            interval: 0,
            textStyle: {
                color: '#ddd'
            }
        },
        data: []
    },
    series: [{
        name: '噪音分贝',
        type: 'scatter',
        coordinateSystem: 'geo',
        data: convertedData[0],
        symbolSize: function(val) {
            return Math.max(val[2] / 10, 8);
        },
        label: {
            normal: {
                formatter: '{b}',
                position: 'right',
                show: false
            },
            emphasis: {
                show: true
            }
        },
        itemStyle: {
            normal: {
                color: '#ddb926'
            }
        }
    }, {
        name: 'Top 5',
        type: 'effectScatter',
        coordinateSystem: 'geo',
        data: convertedData[1],
        symbolSize: function(val) {
            return Math.max(val[2] / 10, 8);
        },
        showEffectOn: 'emphasis',
        rippleEffect: {
            brushType: 'stroke'
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        hoverAnimation: true,
        label: {
            normal: {
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                position: 'right',
                show: true
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        },
        itemStyle: {
            normal: {
                color: '#f4e925',
                shadowBlur: 10,
                shadowColor: '#333'
            }
        },
        zlevel: 1
    }, {
        id: 'bar',
        zlevel: 2,
        type: 'bar',
        symbol: 'none',
        itemStyle: {
            normal: {
                color: '#ddb926'
            }
        },
        data: []
    }]
};


myChart.on('brushselected', renderBrushed);

// myChart.setOption(option);

setTimeout(function() {
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function renderBrushed(params) {

    var mainSeries = params.batch[0].selected[0];

    var selectedItems = [];
    var categoryData = [];
    var barData = [];
    var maxBar = 50;
    var sum = 0;
    var count = 0;

    for (var i = 0; i < mainSeries.dataIndex.length; i++) {
        var rawIndex = mainSeries.dataIndex[i];
        var dataItem = convertedData[0][rawIndex];
        var pmValue = dataItem.value[2];

        sum += pmValue;
        count++;

        selectedItems.push(dataItem);
    }

    selectedItems.sort(function(a, b) {
        return a.value[2] - b.value[2];
    });

    for (var i = 0; i < Math.min(selectedItems.length, maxBar); i++) {
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    this.setOption({
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        xAxis: {
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        title: {
            id: 'statistic',
            text: count ? '平均: ' + (sum / count).toFixed(4) : ''
        },
        series: {
            id: 'bar',
            data: barData
        }
    });
}
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