地图图标点击变化

描述:当前是关于Echarts图表中的 示例。
 
            /**
 * 参考源作品地址: https://gallery.echartsjs.com/editor.html?c=xntS7o_3ac
 * 2020-2-18: 新增symbol判断函数
*/

//供水管道: 图标
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              [112.849945, 25.655207],
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              [112.816536, 25.71136],
              [112.807275, 25.704098],
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              [112.803523, 25.702079],
              [112.801581, 25.703377],
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              [112.798359, 25.721926],
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              [112.808563, 25.73338],
              [112.813252, 25.738595],
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              [112.816304, 25.758218],
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              [112.817715, 25.759672],
              [112.821348, 25.758854],
              [112.822934, 25.759147],
              [112.828914, 25.762539],
              [112.831656, 25.76265],
              [112.837462, 25.761934],
              [112.839926, 25.761992],
              [112.842742, 25.763099],
              [112.845558, 25.764855],
              [112.846901, 25.766668],
              [112.847724, 25.770309],
              [112.847802, 25.77546],
              [112.847535, 25.7765],
              [112.845264, 25.780096],
              [112.836979, 25.784776],
              [112.834503, 25.788842],
              [112.833192, 25.791687],
              [112.835223, 25.794775],
              [112.83918, 25.796588],
              [112.841168, 25.799214],
              [112.841887, 25.801925],
              [112.841957, 25.810546],
              [112.841539, 25.815709],
              [112.843187, 25.818819],
              [112.847287, 25.823328],
              [112.847287, 25.826318],
              [112.854385, 25.837958],
              [112.860834, 25.846042],
              [112.871324, 25.860904],
              [112.873208, 25.864129],
              [112.887481, 25.87346],
              [112.89437, 25.876648],
              [112.905046, 25.871812],
              [112.907971, 25.871355],
              [112.908721, 25.871599],
              [112.908926, 25.872816],
              [112.906737, 25.875578],
              [112.906895, 25.876795],
              [112.908017, 25.877075],
              [112.911997, 25.876639]
            ]
          ]
        ]
      }
    }]
};
echarts.registerMap('hefei', data);
var geoCoordMap = {
    '瑶海区':[
          112.93670654296875,
          25.7219723533502
        ],
    '庐阳区': [
          113.16192626953125,
          25.82708887795793
        ],
};
var geoCoordMap2 = {
    '庐阳区-供水管道1':[112.99575805664061,25.760319754713887],
    '庐阳区-供水管道2': [113.13034057617188,25.693513062561056],
};
var data1 = [
    {
        name: '瑶海区',
        value: 199
    },
    {
        name: '庐阳区',
        value: 39
    },
    {
        name: '蜀山区',
        value: 152
    },
    {
        name: '包河区',
        value: 152
    }
];

// 管网
var guanwang = [
    {//庐阳区
        name: '庐阳区-供水管道1',
        value: [112.99575805664061,25.760319754713887,0],
        type: 'guanwang',
        maintainOrg: '合肥供水总公司1',
        checker: '供水管道检查员1',
        lastCheckTime: '2020-01-21 10:30',
        image:'0'
    },{//庐阳区
        name: '庐阳区-供水管道2',
        value: [113.13034057617188,25.693513062561056,0],
        type: 'guanwang',
        maintainOrg: '合肥供水总公司2',
        checker: '供水管道检查员2',
        lastCheckTime: '2020-01-21 10:30',
        image:'0'
    }
];

 var items = [{ name: '庐阳区-供水管道1', value: ['0'] },
            { name: '庐阳区-供水管道2', value: ['0'] }]

var max = 480,
    min = 9;
var maxSize4Pin = 100,
    minSize4Pin = 20;

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 convertDataWithName = function (data, geoCoordMap) {
            let res = [];
            data.forEach(item => {
                let geoCoord = geoCoordMap[item.name];
                if (geoCoord) {
                    res.push({
                        name: item.name,
                        value: geoCoord.concat(item.value)
                    });
                }
            });
            return res;
        };


option = {
    //backgroundColor: '#020933',
    backgroundColor: '#0f375f',
    tooltip: {
        trigger: 'item',
        formatter: function(params) {
            return params.name;
            //alert(Object.getOwnPropertyNames(params));
            //return '名称: '+params.name+'<br/>'
        }
    },
    legend: {
        orient: 'vertical',
        id: 1,
        y: 'bottom',
        x: 'right',
        itemWidth: 15,
        data: [
            {
                name: '供水',
                icon: iconGD
            },{
                name: '燃气',
                icon: iconRQ
            }
        ],
        textStyle: {
            color: '#fff'
        }
    },
    geo: {
        show: true,
        map: 'hefei',
        label: {
            normal: {
                show: false
            },
            emphasis: {
                show: false,
            }
        },
        zoom: 1.2,
        roam: true,
        itemStyle: {
                        normal: {
                            areaColor: '#5275a6',
                            borderColor: '#c4d1db',
                            borderWidth: 1,
                            shadowColor: '#5182b1',
                            shadowOffsetX: 0,
                            shadowOffsetY: 4,
                            shadowBlur: 10,
                        },
                        emphasis: {
                            areaColor: '#5275a6',
                            show:true,
                            normal: {
                                color:'#e5eeff',
                                show: true
                            },
                        }

                    }
    },
    series: [
        {
            type: 'map',
            map: 'hefei',
            geoIndex: 0,
            aspectScale: 0.75, //长宽比
            showLegendSymbol: false, // 存在legend时显示
            label: {
                normal: {
                    show: false
                },
                emphasis: {
                    show: false,
                    textStyle: {
                        color: '#fff'
                    }
                }
            },
            roam: true,
            itemStyle: {
                normal: {
                    areaColor: '#031525',
                    borderColor: '#3B5077',
                },
                emphasis: {
                    areaColor: '#2B91B7'
                }
            },
            animation: false,
            data: data
        },
        // 图标的位置
        // {
        //                 name: 'Top 7',
        //                 type: 'effectScatter',
        //                 coordinateSystem: 'geo',
        //                 data: convertData(data1.sort(function(a, b) {
        //                     return b.value - a.value;
        //                 })),
        //                 symbolSize: 25,
        //                 showEffectOn: 'render',
        //                 rippleEffect: {
        //                     brushType: 'stroke'
        //                 },
        //                 hoverAnimation: false,
        //                 label: {
        //                     normal: {
        //                         color: 'rgba(229,238,255,0.47)',
        //                         formatter: '{b}',
        //                         position: 'center',
        //                         show: true
        //                     }
        //                 },
        //                 tooltip: {
        //                     //不显示提示标签
        //                     show: false
        //                 },
        //                 itemStyle: {
        //                     normal: {
        //                         color: 'rgba(0,0,0,0)',
        //                         shadowBlur: 10,
        //                         shadowColor: '#05C3F9'
        //                     }
        //                 }
        //             ,
        //                 zlevel: 0
        //             },
        {
            name: '供水管道',
            type: 'scatter',
            coordinateSystem: 'geo',
            data: guanwang,
            // symbol: iconGD,
            // symbolSize: 20,
            symbolSize: 40,
            symbol: function(params) {
                console.log('1='+params[2]);
                let ico='';
                if(params[2] === 0) {
                    ico=iconGD
                } else  {
                    ico=iconRQ
                }
                return  ico;
            } ,
            label: {
                normal: {
                    show: false,
                    formatter: function(params) {
                        return '管网名称: '+params.name+'<br/>'
                                +'维护单位: '+params.maintainOrg+'<br/>'
                                +'检查员: '+params.checker+'<br/>'
                                +'上次检查时间: '+params.lastCheckTime;
                    },
                    position: 'right',
                    color: '#fff',
                    fontSize: '8'
                },
                emphasis: {
                    show: false
                }
            },
            itemStyle: {
                normal: {
                    color: '#ea6347',
                    borderWidth: 2,
                    borderColor: '#f4b391'
                }
            }
        }
	
    ]
};
myChart.setOption(option);

 myChart.on('click', function(event) {
            // 判断点击的是图标
            if(event.componentSubType === "scatter") {
                changeitems(event.name)
                option.series[1].data=convertDataWithName(changeitems(event.name), geoCoordMap2)
                myChart.setOption(option)
            }
        })
        
        function changeitems(index) {
            items.forEach(item => {
                let name = item.name;
                if (name === index) {
                    item.value[0]=1
                }else{
                    item.value[0]=0
                }
            })
            return items
        }