Echarts地图气泡显示不同区域数据
内容导读
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内容图文
完成效果图
var data=[{"name":"耒阳市","value":762},{"name":"衡东县","value":738},{"name":"雁峰区","value":3891},{"name":"衡山县","value":232},{"name":"石鼓区","value":3240},{"name":"蒸湘区","value":2512},{"name":"衡阳县","value":922},{"name":"祁东县","value":219},{"name":"珠晖区","value":3229},{"name":"南岳区","value":67},{"name":"衡南县","value":739},{"name":"常宁市","value":545}];
//获取衡阳市的地图信息function GetGeoMap() {
var geoJson = null;
var url = "/js/430400_full.json";
MapChart.showLoading();
$.get(url, null, function (ret) {
geoJson = ret;
loadMap(geoJson);
// $.getJSON(uploadedDataURL, function(geoJson) {
});
}
//初始化地图容器var MapChart = echarts.init(document.getElementById(‘main‘));
//设置地图。var loadMap = function (geoJson) {
echarts.registerMap(‘tianjin‘, geoJson);
MapChart.hideLoading();
var data = MapMarkLine;
var xData = [];
for (var i = 0; i < data.length; i++) {
xData.push(data[i].value);
}
var geoCoordMap = {
‘珠晖区‘: [112.626324,26.891063],
‘雁峰区‘: [112.612241,26.893694],
‘石鼓区‘: [112.607635,26.903908],
‘蒸湘区‘: [112.570608,26.89087],
‘南岳区‘: [112.734147,27.240536],
‘衡阳县‘: [112.379643,26.962388],
‘衡南县‘: [112.677459,26.739973],
‘衡山县‘: [112.86971,27.234808],
‘衡东县‘: [112.950412,27.083531],
‘祁东县‘: [112.111192,26.787109],
‘耒阳市‘: [112.847215,26.414162],
‘常宁市‘: [112.396821,26.406773],
}
xData.sort(function (a, b) {
return a - b;
});
var min = xData[0], max = xData[xData.length - 1];
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 option = {
title: {
text: ‘投资人员分布‘,
subtext: ‘1,2803人‘,
x: ‘left‘,
textStyle: {
color: ‘#fff‘,
fontSize:13
},
subtextStyle: {
color: ‘#ff9c00‘,
fontSize:22
}
},
tooltip: {
trigger: ‘item‘,
formatter: function (params) {
if (typeof (params.value)[2] == "undefined") {
return params.name + ‘ : ‘ + params.value;
} else {
return params.name + ‘ : ‘ + params.value[2];
}
}
},
// legend: {// orient: ‘vertical‘,// y: ‘bottom‘,// x: ‘right‘,// data: [‘credit_pm2.5‘],// textStyle: {// color: ‘#fff‘// }// }, visualMap: {
show: true,
type: ‘piecewise‘,
pieces: [
{ min: 2000 },
{ min: 1000, max: 1999, },
{ min: 100, max: 999 },
{ max: 99 },
// {min:0,max: 2000},// {max:100}// 不指定 min，表示 min 为无限大（-Infinity）。 ],
showLabel: true,
right: ‘5%‘,
bottom: ‘10%‘,
text: [‘‘], // 文本，默认为数值文本 textStyle: {
color: ‘#7B93A7‘
},
calculable: true,
seriesIndex: [1],
inRange: {
color: [‘#f6e294‘, ‘#FFABA6‘, ‘#FC6258‘, ‘#FA3225‘]
}
},
geo: {
show: true,
map: ‘tianjin‘,
label: {
normal: {
show: false
},
emphasis: {
show: false,
}
},
roam: true,
itemStyle: {
normal: {
areaColor: ‘#031525‘,
borderColor: ‘#fff‘,
borderWidth: 2,
},
emphasis: {
areaColor: ‘#56ddff‘, //鼠标放上去的亮色 }
}
},
series: [
{
name: ‘credit_pm2.5‘,
type: ‘scatter‘,
coordinateSystem: ‘geo‘,
data: convertData(data),
symbolSize: function (val) {
//var a = (maxSize4Pin - minSize4Pin) / (max - min);//var b = minSize4Pin - a * min;//b = maxSize4Pin - a * max;//return a * val[2] + b;return 15;
},
label: {
normal: {
formatter: ‘{b}‘,
position: ‘right‘,
show: true
},
emphasis: {
show: true
}
},
itemStyle: {
normal: {
color: ‘#FBE805‘,
areaColor: ‘#FBE805‘,
borderColor: ‘#FBE805‘,
},
emphasis: {
areaColor: ‘#FBE805‘
}
},
},
{
type: ‘map‘,
map: ‘tianjin‘,
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
},
{
name: ‘点‘,
type: ‘scatter‘,
coordinateSystem: ‘geo‘,
symbol: ‘pin‘,
data: convertData(data),
symbolSize: function (val) {
var a = (maxSize4Pin - minSize4Pin) / (max - min);
var b = minSize4Pin - a * min;
b = maxSize4Pin - a * max;
return a * val[2] + b;//计算并返回气泡大小 },
label: {
normal: {
show: true,
formatter: ‘{@[2]}‘,//将集合中序号为2的显示在气泡上，默认为1{x,y,val} textStyle: {
color: ‘#fff‘,//文字颜色
fontSize: 9,
}
}
},
itemStyle: {
normal: {
color: ‘#5d2bb5‘, //标志颜色 }
},
zlevel: 6,
},
{
name: ‘Top 5‘,
type: ‘effectScatter‘,
coordinateSystem: ‘geo‘,
data: convertData(data.sort(function (a, b) {
return b.value - a.value;
}).slice(0, 5)),
symbolSize: function (val) {
//var a = (maxSize4Pin - minSize4Pin) / (max - min);//var b = minSize4Pin - a * min;//b = maxSize4Pin - a * max;//return a * val[2] + b;return 15;
},
showEffectOn: ‘render‘,
rippleEffect: {
brushType: ‘stroke‘
},
hoverAnimation: true,
label: {
normal: {
formatter: ‘{b}‘,
position: ‘right‘,
show: true
}
},
itemStyle: {
normal: {
color: ‘#fbe903‘,
shadowBlur: 10,
shadowColor: ‘#dece00‘
}
},
zlevel: 1
},
]
};
MapChart.setOption(option);
GetUserCountByAre("");
}
原文：https://www.cnblogs.com/Lynnyin/p/13144051.html
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