百度地图迁徙图ECharts Gallery

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代码
var startPoint = {
    x: 108.943807,
    y: 34.280969
};
// 地图自定义样式
var bmap = {
    center: [startPoint.x, startPoint.y],
    zoom: 12,
    roam: true,

}

var geoCoordMap = {
    '西安市雁塔区': [108.951122, 34.220618],
    '西安市灞桥区': [109.070932, 34.279159],
    '西安市长安区': [108.913375, 34.163297],
    '西安市未央区': [108.953105, 34.29917],
    '西安市莲湖区': [108.950678, 34.270978],
    '西安市临潼区': [109.220655, 34.372783]
};

var BJData = [
    [{
        name: '西安市雁塔区'
    }, {
        name: '西安市灞桥区',
        value: 39
    }],
    [{
        name: '西安市雁塔区'
    }, {
        name: '西安市长安区',
        value: 39
    }],
    [{
        name: '西安市雁塔区'
    }, {
        name: '西安市未央区',
        value: 38
    }],
    [{
        name: '西安市雁塔区'
    }, {
        name: '西安市莲湖区',
        value: 38
    }],
    [{
        name: '西安市雁塔区'
    }, {
        name: '西安市临潼区',
        value: 38
    }]
];

var planePath = 'path://M128 724.224c0 42.432 19.2 80.192 48 103.744l0 84.864C176 941.12 195.2 960 224 960l48 0C300.8 960 320 941.12 320 912.832l0-47.168 384 0 0 47.168C704 941.12 723.2 960 752 960l48 0c28.8 0 48-18.88 48-47.168l0-84.864C876.8 804.352 896 766.656 896 724.224L896 252.608C896 87.552 723.2 64 512 64 300.8 64 128 87.552 128 252.608L128 724.224zM296 771.392c-38.4 0-72-33.024-72-70.72 0-37.696 33.6-70.72 72-70.72 38.4 0 72 33.024 72 70.72C368 738.368 334.4 771.392 296 771.392zM728 771.392c-38.4 0-72-33.024-72-70.72 0-37.696 33.6-70.72 72-70.72s72 33.024 72 70.72C800 738.368 766.4 771.392 728 771.392zM800 488.448l-576 0L224 252.608l576 0L800 488.448z';

var convertData = function(data) {
    var res = [];
    for (var i = 0; i < data.length; i++) {
        var dataItem = data[i];
        var fromCoord = geoCoordMap[dataItem[0].name];
        var toCoord = geoCoordMap[dataItem[1].name];
        if (fromCoord && toCoord) {
            res.push({
                fromName: dataItem[0].name,
                toName: dataItem[1].name,
                coords: [fromCoord, toCoord]
            });
        }
    }
    return res;
};

var color = ['red'];
var series = [];
[
    ['西安市雁塔区', BJData]
].forEach(function(item, i) {
    series.push({
        name: item[0] + ' 公交',
        type: 'effectScatter',
        coordinateSystem: 'bmap',
        zlevel: 2,
        rippleEffect: {
            brushType: 'stroke'
        },
        label: {
            normal: {
                show: true,
                position: 'right',
                formatter: '{b}'
            }
        },
        symbolSize: function(val) {
            return val[2] / 4;
        },
        showEffectOn: 'render',
        itemStyle: {
            normal: {
                color: color[i]
            }
        },
        data: [{
            name: item[0],
            value: geoCoordMap[item[0]].concat([100])
        }]
    }, {
        name: item[0] + ' 公交',
        type: 'lines',
        coordinateSystem: 'bmap',
        zlevel: 1,
        effect: {
            show: true,
            period: 6,
            trailLength: 0.7,
            color: '#fff',
            symbolSize: 3
        },
        lineStyle: {
            normal: {
                color: color[i],
                width: 0,
                curveness: 0.2
            }
        },
        data: convertData(item[1])
    }, {
        name: item[0] + ' 公交',
        type: 'lines',
        coordinateSystem: 'bmap',
        zlevel: 2,
        effect: {
            show: true,
            period: 6,
            trailLength: 0,
            symbol: planePath,
            symbolSize: 15
        },
        lineStyle: {
            normal: {
                color: color[i],
                width: 1,
                opacity: 0.4,
                curveness: 0.2
            }
        },
        data: convertData(item[1])
    }, {
        name: item[0] + ' 公交',
        type: 'effectScatter',
        coordinateSystem: 'bmap',
        zlevel: 2,
        rippleEffect: {
            brushType: 'stroke'
        },
        label: {
            normal: {
                show: true,
                position: 'right',
                formatter: '{b}'
            }
        },
        symbolSize: function(val) {
            return val[2] / 4;
        },
        showEffectOn: 'render',
        itemStyle: {
            normal: {
                color: color[i]
            }
        },
        data: item[1].map(function(dataItem) {
            return {
                name: dataItem[1].name,
                value: geoCoordMap[dataItem[1].name].concat([dataItem[1].value])
            };
        })
    });
});

option = {
    bmap: bmap,
    color: ['gold', 'aqua', 'lime'],
    backgroundColor: '#404a59',
    title: {
        text: '西安市雁塔区公交线路运行图',
        subtext: 'data-visual.cn',
        sublink: 'http://data-visual.cn',
        left: 'center',
        textStyle: {
            color: 'red'
        }
    },
    tooltip: {
        trigger: 'item'
    },
    legend: {
        orient: 'vertical',
        top: 'bottom',
        left: 'right',
        data: ['西安市雁塔区 公交'],
        textStyle: {
            color: 'red'
        },
        selectedMode: 'single'
    },
    geo: {
        map: 'bmap',
        polyline: true,
        progressiveThreshold: 500,
        progressive: 200,
        label: {
            emphasis: {
                show: false
            }
        },
        roam: true,
        itemStyle: {
            normal: {
                areaColor: '#323c48',
                borderColor: '#404a59'
            },
            emphasis: {
                areaColor: '#2a333d'
            }
        }
    },
    series: series
};
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