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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://cdn.staticfile.org/echarts/4.3.0/echarts.min.js"></script>
<link type="text/css" rel="stylesheet" href="libs/font-awesome-4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="libs/ol.css">
<script src="libs/ol.js"></script>
<!-- 开源库jQuery -->
<script src="libs/jquery-1.11.2.min.js"></script>
<!-- fileSaver开源库，用于保存数据 -->
<script src="libs/FileSaver.js"></script>
<!-- 百度API实现搜索定位 -->
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=kB5yeVizxgKa82lXGOdvTiEpyzPeEzSx"></script>
</head>
<style>
#header {
width: 100%;
height: 50px;
z-index: 0;
position: absolute;
background-color: #aeb8c1;
background-image: url('images/title.png');
background-position: center;
background-repeat: no-repeat;
vertical-align: middle;
}
#header #title {
font-size: 28px;
font-family: "宋体";
color: rgb(0, 0, 0);
text-align: center;
height: 60px;
line-height: 51px;
}
* {
padding: 0;
margin: 0;
list-style: none;
text-decoration: none;
}
.sidebar {
position: fixed;
left: -400px;
width: 400px;
height: 100%;
background: #084561;
transition: all .5s ease;
z-index: 1;
}
.sidebar .top {
font-size: 22px;
color: #fff;
text-align: center;
height: 60px;
line-height: 51px;
background-color: rgb(14, 44, 70);
user-select: none;
}
.sidebar ul a {
display: block;
height: 100%;
width: 100%;
text-align: center;
line-height: 45px;
font-size: 18px;
color: #fff;
box-sizing: border-box;
border-top: 1px solid rgba(255, 255, 255, .1);
border-bottom: 1px solid rgb(17, 73, 118);
transition: .4s;
}
ul li:hover a {
padding-left: 30px;
color: #5587f4;
border-left: 5px solid #5587f4;
transition: all 0.5s;
}
.sidebar ul a i {
margin-right: 16px;
}
#check {
display: none;
margin-top: 20px;
}
label #btn,
label #cancel {
position: fixed;
cursor: pointer;
background-color: #0c587e;
border-radius: 3px;
}
label #btn {
left: 5px;
top: 7px;
font-size: 25px;
color: #fff;
padding: 6px 10px;
transition: all .5s;
z-index: 1;
}
label #cancel {
z-index: 2;
left: -145px;
top: 10px;
font-size: 25px;
color: rgb(188, 190, 223);
padding: 4px 9px;
transition: all .5s ease;
}
#check:checked~.sidebar {
left: 0;
}
#check:checked~label #btn {
left: 10px;
opacity: 0;
pointer-events: none;
}
#check:checked~label #cancel {
left: 350px;
z-index: 2;
}
.content {
height: 100vh;
transition: all .5s;
display: flex;
justify-content: space-around;
z-index: 0;
}
.map {
height: 100%;
width: 75%;
margin-top: 55px;
margin-left: 5px;
margin-right: 5px;
}
#check:checked~.content {
margin-left: 400px;
}
#datadisplay {
background-color: rgba(42, 165, 85, 0.2);
margin-right: 5px;
width: 25%;
height: 100%;
margin-top: 55px
}
</style>
<body>
<div id="header">
<h1 id="title"> <strong>地壳形变监测成果在线管理系统</strong></h1>
</div>
<input type="checkbox" id="check">
<label for="check">
<i class="fa fa-bars" id="btn"> 图层管理</i>
<i class="fa fa-times" id="cancel"></i>
</label>
<div class="sidebar">
<div class="top">Hi~</div>
<ul>
<li>
<li>
<a href="#">
<!-- <i class="fa fa-address-book"></i> -->
<strong style="font-size: larger;">实时地震</strong>
<input type="checkbox" id="setV" checked>
</a>
</li>
<div id="earthquake_C_one">
<a>近一小时 <input type="checkbox" id="hour">  
近一天 <input type="checkbox" id="day"> 
近一周 <input type="checkbox" id='week'> 
近一个月 <input type="checkbox" id='month'> 
</a>
</div>
</li>
<li><a href="#">
<!-- <i class="fa fa-telegram"></i> -->
<strong style="font-size: larger;">中国区域地震（近五年）</strong>
<input type="checkbox" id="setV_C" checked>
</a>
</li>
<div id="earthquake_C_two">
<a>
震级： 
2.5-4.5 <input type="checkbox" id="25">  
4.5-6.5 <input type="checkbox" id="45"> 
6.5+<input type="checkbox" id='65'> 
</a>
</div>
<li><a href="#">
<!-- <i class="fa fa-address-book"></i> -->
<strong style="font-size: larger;">InSAR形变图（选中指定地震）</strong>
<input type="checkbox" id="set_InSAR" checked>
</a>
</li>
<div id="InSAR">
<a>
方位一 <input type="checkbox" id="insar_1">  
方位二 <input type="checkbox" id="insar_2"> 
方位三 <input type="checkbox" id='insar_3'> 
方位四 <input type="checkbox" id='insar_4'> 
</a>
</div>
<li><a href="#">
<!-- <i class="fa fa-telegram"></i> -->
<strong style="font-size: larger;">中国区域形变场</strong>
<input type="checkbox" id="set_Velocity" checked>
</a>
</li>
<div id="Velocity">
<a>
参考系：
ITRF2008<input type="checkbox" id="velocity_1">  
欧亚大陆<input type="checkbox" id="velocity_2">  
</a>
</div>
<li><a href="#"><i class="fa fa-address-book"></i>关于我们</a></li>
</ul>
</div>
<div class="content">
<div class="map" id="map"> </div>
<!-- 弹窗要素 -->
<div id="popup" class="ol-popup" style="background-color: rgba(255,255,255,0.7);">
<div style="width: 100%;">
<strong style="text-align: left;margin-left: 10px;width: 10%;">地震信息</strong>
<a href="#" id="popup-closer" class="ol-popup-closer" style="float: right;">x</a>
</div>
<div id="popup-content" style="display: inline-block;text-align:left; margin: 10px;"></div>
</div>
<!-- 右侧展示功能区 -->
<div id="datadisplay">
<p style="margin: 10px; text-align: center;"><strong>中国区域地震筛选与分析</strong></p>
<hr>
<p style="margin: 5px;">时间筛选：</p>
<p style="margin: 10px;">
起：<input type="number" style="width:50px" value="2017" id="start_y">年<input type="number" style="width:30px"
value="10" id="start_m">月<input type="number" style="width:30px" value="10" id="start_d"> 日
</p>
<p style="margin: 10px;">
止：<input type="number" style="width:50px" value="2022" id="end_y">年<input type="number" style="width:30px"
value="10" id="end_m">月<input type="number" style="width:30px" value="10" id="end_d"> 日
</p>
<p style="margin: 5px;">震级筛选：</p>
<p style="margin:8px;">
Mag:<input type="number" style="width:35px" value="2.5" id="start_Mag" step="0.1"> 至 <input
type="number" style="width:35px" value="6.5" id="end_Mag" step="0.1">
</p>
<hr>
<p style="margin:5px;">
城市名称：<input type="text" style="width:80px ;height:20px" id="cityname">
<input type="button" value="搜索" onclick="myLocation()"
style="margin-top: 5px; height: 30px; width: 35px;font-size: 16px; font-family: '宋体'; background-color: #e9e4a0; border: rgba(70, 68, 68, 0.9);" />
<input type="button" value="定位" id="spin"
style="margin-top: 5px; height: 30px; width: 35px;font-size: 16px; font-family: '宋体'; background-color: #e9e4a0; border: rgba(70, 68, 68, 0.9);" />
</p>
<HR>
<p>
<input type="button" value="筛选并显示" onclick="selectAdd()"
style="margin-top: 5px;margin-left: 5px; height: 30px; width: 88px;font-size: 16px; font-family: '宋体'; background-color: #a0d2e9; border: rgba(70, 68, 68, 0.9);" />
<input type="button" value="绘制统计图" onclick="draw()"
style="margin-top: 5px; height: 30px; width: 88px;font-size: 16px; font-family: '宋体'; background-color: #a0d2e9; border: rgba(70, 68, 68, 0.9);" />
<input type="button" value="绘制热力图" onclick="heatmap()"
style="margin-top: 5px; height: 30px; width: 88px;font-size: 16px; font-family: '宋体'; background-color: #a0d2e9; border: rgba(70, 68, 68, 0.9);" />
<input type="button" value="移除" onclick="selectOff()"
style="margin-top: 5px; margin-bottom: 5px; height: 30px; width: 50px;font-size: 16px; font-family: '宋体'; background-color: #a0d2e9; border: rgba(70, 68, 68, 0.9);" />
<input type="button" value="保存" onclick="selectSave()"
style="margin-top: 5px; height: 30px; width: 50px;font-size: 16px; font-family: '宋体'; background-color: #a0d2e9; border: rgba(70, 68, 68, 0.9);" />
</p>
<div style="margin-left: 5px;">
<label class="lb">热点半径：</label><input style="width: 70px;" type="range" id="radius" min="1" max="50" step="1"
value="10" />
<label class="lb">模糊尺寸：</label><input style="width: 70px;" type="range" id="blur" min="1" max="50" step="1"
value="15" />
</div>
<div id="Mag_Echarts_1" style="margin-left:5px; width: 100%; height: 250px; background-color: beige;"></div>
<div id="Mag_Echarts_2" style="margin-left:5px; width: 100%; height: 250px; background-color: beige;"></div>
<hr>
<div id="data_detail"
style="display: inline-block;text-align:left; margin: 10px; height:max-content; width: 100%;">
</div>
</div>
</div>
</body>
<script>
//用于筛选的图层
var select_layer = new ol.layer.Vector({
source: new ol.source.Vector({
format: new ol.format.GeoJSON({ extractStyles: false }),
})
})
var chinaextent = [7938658, 1055130, 16125429, 7345809]
var map = new ol.Map({
target: 'map',
layers: [new ol.layer.Tile({ source: new ol.source.OSM() }), select_layer],
view: new ol.View({
center: ol.extent.getCenter(chinaextent),
projection: 'EPSG:3857',
zoom: 4.5
}),
controls: ol.control.defaults().extend([
new ol.control.ZoomSlider(),
new ol.control.ZoomToExtent({
extent:
chinaextent
//定位
}),
new ol.control.MousePosition(),
new ol.control.FullScreen(),
new ol.control.OverviewMap({ // 实例化一个OverviewMap类的对象，并加入到地图中
collapsed: false,
//教程有误，需要加入新的layers和view，否则鹰眼框与主视图使用统一图层会显示空白
layers: [new ol.layer.Tile({ source: new ol.source.OSM() })],
view: new ol.View({
center: [0, 0],
projection: 'EPSG:3857',
zoom: 4
}),
}),
new ol.control.ScaleLine({
units: "metric",//设置比例尺单位，degrees、imperial、us、nautical、metric（度量单位）
bar: false
}),
])
});
</script>
<!-- 实时地震切换脚本区 -->
<script>
var vector_hour = new ol.layer.Vector({
source: new ol.source.Vector({
url: 'https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_hour.geojson',
format: new ol.format.GeoJSON({ extractStyles: false }),
}),
style: new ol.style.Style({
image: new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: 'rgba(255,15,15,0.4)'
})
})
})
})
var vector_day = new ol.layer.Vector({
source: new ol.source.Vector({
url: 'https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_day.geojson',
format: new ol.format.GeoJSON({ extractStyles: false }),
}),
style: new ol.style.Style({
image: new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: 'rgba(255,15,15,0.4)'
})
})
})
})
var vector_week = new ol.layer.Vector({
source: new ol.source.Vector({
url: 'https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_week.geojson',
format: new ol.format.GeoJSON({ extractStyles: false }),
}),
style: new ol.style.Style({
image: new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: 'rgba(255,15,15,0.4)'
})
})
})
})
var vector_month = new ol.layer.Vector({
//创建地震点要素矢量图层vector
source: new ol.source.Vector({
url: 'https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_month.geojson',
format: new ol.format.GeoJSON({ extractStyles: false }),
}),
//style要放在source外面和它并列啊你这个笨蛋
style: new ol.style.Style({
//因为把image打成Image又浪费了我半个小时
image: new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: 'rgba(255,15,15,0.4)'
})
})
})
})
/* function E_update(){
var setv=document.getElementById('setV')
if(setv.checked==ture){
setv.checked=false
}
else{
setv.checked=true
}
} */
var setv = document.getElementById('setV')
setv.addEventListener('click', (event) => {
if (event.target.checked) {
vector_hour.setVisible(true)
vector_day.setVisible(true)
vector_week.setVisible(true)
vector_month.setVisible(true)
console.log('实时地震设为可见')
}
else {
vector_hour.setVisible(false)
vector_day.setVisible(false)
vector_week.setVisible(false)
vector_month.setVisible(false)
console.log('实时地震已隐藏')
}
})
var checkhour = document.getElementById('hour')
var checkday = document.getElementById('day')
var checkweek = document.getElementById('week')
var checkmonth = document.getElementById('month')
let controls = document.getElementById('earthquake_C_one')
controls.addEventListener('click', (event) => {
if (event.target.checked) {
//newlayer.setVisible(false)
switch (event.target.id) {
case "hour":
checkday.checked = false
checkweek.checked = false
checkmonth.checked = false
map.removeLayer(vector_day)
map.removeLayer(vector_week)
map.removeLayer(vector_month)
map.addLayer(vector_hour)
break;
case "day":
checkhour.checked = false
checkweek.checked = false
checkmonth.checked = false
map.removeLayer(vector_hour)
map.removeLayer(vector_week)
map.removeLayer(vector_month)
map.addLayer(vector_day)
break;
case "week":
checkday.checked = false
checkhour.checked = false
checkmonth.checked = false
map.removeLayer(vector_day)
map.removeLayer(vector_hour)
map.removeLayer(vector_month)
map.addLayer(vector_week)
break;
case "month":
checkday.checked = false
checkweek.checked = false
checkhour.checked = false
map.removeLayer(vector_day)
map.removeLayer(vector_week)
map.removeLayer(vector_hour)
map.addLayer(vector_month)
break;
default:
break;
}
Myaddinteraction()
}
else {
switch (event.target.id) {
case "hour":
map.removeLayer(vector_hour)
break;
case "day":
map.removeLayer(vector_day)
break;
case "week":
map.removeLayer(vector_week)
break;
case "month":
map.removeLayer(vector_month)
break;
default:
break;
}
}
})
</script>
<!-- 中国区域 -->
<script>
var vector_25 = new ol.layer.Vector({
source: new ol.source.Vector({
url: '/data/geojson/earthquake/2.5-4.4china2017-2022.5.1.json',
format: new ol.format.GeoJSON({ extractStyles: false }),
}),
style: new ol.style.Style({
image: new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: 'rgba(0, 255,0 , 0.2)'
})
})
})
})
var vector_45 = new ol.layer.Vector({
source: new ol.source.Vector({
url: '/data/geojson/earthquake/4.5-6.4china2017-2022.5.1.json',
format: new ol.format.GeoJSON({ extractStyles: false }),
}),
style: new ol.style.Style({
image: new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: 'rgba(0, 0,255 , 0.2)'
})
})
})
})
var vector_65 = new ol.layer.Vector({
source: new ol.source.Vector({
url: '/data/geojson/earthquake/6.5+china2017-2022.5.1.json',
format: new ol.format.GeoJSON({ extractStyles: false }),
}),
style: new ol.style.Style({
image: new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({
color: 'rgba(255, 0,0 , 0.2)'
})
})
})
})
var setv = document.getElementById('setV_C')
setv.addEventListener('click', (event) => {
if (event.target.checked) {
vector_25.setVisible(true)
vector_45.setVisible(true)
vector_65.setVisible(true)
console.log('中国地震设为可见')
}
else {
vector_25.setVisible(false)
vector_45.setVisible(false)
vector_65.setVisible(false)
console.log('中国地震已隐藏')
}
})
var check25 = document.getElementById('25')
var check45 = document.getElementById('45')
var check65 = document.getElementById('65')
let controls_C = document.getElementById('earthquake_C_two')
controls_C.addEventListener('click', (event) => {
if (event.target.checked) {
//newlayer.setVisible(false)
switch (event.target.id) {
case "25":
map.addLayer(vector_25)
break;
case "45":
map.addLayer(vector_45)
break;
case "65":
map.addLayer(vector_65)
break;
default:
break;
}
Myaddinteraction()
}
else {
switch (event.target.id) {
case "25":
map.removeLayer(vector_25)
break;
case "45":
map.removeLayer(vector_45)
break;
case "65":
map.removeLayer(vector_65)
break;
default:
break;
}
}
})
</script>
<!-- InSAR -->
<script>
var url_1, url_2, url_3, url_4
var insar1 = new ol.layer.Tile({
})
var insar2 = new ol.layer.Tile({
})
var insar3 = new ol.layer.Tile({
})
var insar4 = new ol.layer.Tile({
})
var set_InSAR = document.getElementById('set_InSAR')
set_InSAR.addEventListener('click', (event) => {
if (event.target.checked) {
insar1.setVisible(true)
insar2.setVisible(true)
insar3.setVisible(true)
insar4.setVisible(true)
console.log('InSAR设为可见')
}
else {
insar1.setVisible(false)
insar2.setVisible(false)
insar3.setVisible(false)
insar4.setVisible(false)
console.log('InSAR已隐藏')
}
})
var check1 = document.getElementById('insar_1')
var check2 = document.getElementById('insar_2')
var check3 = document.getElementById('insar_3')
var check4 = document.getElementById('insar_4')
let controls_InSAR = document.getElementById('InSAR')
controls_InSAR.addEventListener('click', (event) => {
if (event.target.checked) {
//newlayer.setVisible(false)
switch (event.target.id) {
case "insar_1":
insar1.setSource(new ol.source.TileWMS({
url: url_1
}))
map.addLayer(insar1)
break;
case "inar_2":
insar2.setSource(new ol.source.TileWMS({
url: url_2
}))
map.addLayer(insar2)
break;
case "insar_3":
insar3.setSource(new ol.source.TileWMS({
url: url_3
}))
map.addLayer(insar3)
break;
case "insar_4":
map.addLayer(insar4)
insar4.setSource(new ol.source.TileWMS({
url: url_4
}))
break;
default:
break;
}
Myaddinteraction()
}
else {
switch (event.target.id) {
case "insar_1":
map.removeLayer(insar1)
break;
case "insar_2":
map.removeLayer(insar2)
break;
case "insar_3":
map.removeLayer(insar3)
break;
case "insar_4":
map.removeLayer(insar4)
break;
default:
break;
}
}
})
</script>
<!-- 形变场 -->
<script>
var styleFunction_1 = function (feature) {
var geometry = feature.getGeometry();
var property = feature.getProperties();
let dx = property['Ve_I']
let dy = property['Vn_I']
var rotation = Math.atan2(dy, dx);
var start = [geometry.getCoordinates()[0], geometry.getCoordinates()[1]]
var new_x = geometry.getCoordinates()[0] + dx * 3000 //这里的指数得根据屏幕坐标进行调节
var new_y = geometry.getCoordinates()[1] + dy * 3000
var end = [new_x, new_y]
var styles = [
new ol.style.Style({
stroke: new ol.style.Stroke({
color: 'blue',
width: 1.0,
}),
geometry: new ol.geom.LineString([start, end]),
//projection:'EPSG:4326',
})
];
styles.push(new ol.style.Style({
geometry: new ol.geom.Point([new_x, new_y]),
//projection:'EPSG:4326',
image: new ol.style.Icon({
src: 'images/myarrow_blue.png',
anchor: [0.75, 0.5],
rotateWithView: true,
rotation: -rotation,
}),
}))
return styles
}
var styleFunction_2 = function (feature) {
var geometry = feature.getGeometry();
var property = feature.getProperties();
let dx = property['Ve_E']
let dy = property['Vn_E']
var rotation = Math.atan2(dy, dx);
var start = [geometry.getCoordinates()[0], geometry.getCoordinates()[1]]
var new_x = geometry.getCoordinates()[0] + dx * 14000 //这里的指数得根据屏幕坐标进行调节
var new_y = geometry.getCoordinates()[1] + dy * 14000
var end = [new_x, new_y]
var styles = [
new ol.style.Style({
stroke: new ol.style.Stroke({
color: 'red',
width: 1.0,
}),
geometry: new ol.geom.LineString([start, end]),
//projection:'EPSG:4326',
})
];
styles.push(new ol.style.Style({
geometry: new ol.geom.Point([new_x, new_y]),
//projection:'EPSG:4326',
image: new ol.style.Icon({
src: 'images/myarrow_red.png',
anchor: [0.75, 0.5],
rotateWithView: true,
rotation: -rotation,
}),
}))
return styles
}
var velocity_1 = new ol.layer.Vector({
source: new ol.source.Vector({
url: 'data/geojson/velocity.geojson',
format: new ol.format.GeoJSON({ extractStyles: false }),
}),
style: this.styleFunction_1
})
velocity_1.setOpacity(0.5)
var velocity_2 = new ol.layer.Vector({
source: new ol.source.Vector({
url: 'data/geojson/velocity.geojson',
format: new ol.format.GeoJSON({ extractStyles: false }),
}),
style: this.styleFunction_2
})
velocity_2.setOpacity(0.5)
function velocity_addinteraction() {
//设置点击后样式
var velocity_selectpoint = new ol.interaction.Select({
layers: [velocity_1, velocity_2],
multi: true,
//hitolerance:4,
style: new ol.style.Style({
//因为把image打成Image又浪费了我半个小时
image: new ol.style.Circle({
radius: 6,
fill: new ol.style.Fill({
color: 'yellow'
})
})
})
})
//设置点击后事件
velocity_selectpoint.on('select', function (p) {
var features = p.target.getFeatures().getArray()//获取真正的featrue元素
if (features.length > 0) {
var obj = features[0];
console.log(obj.get('type'));//显示类型
var coordinate = p.mapBrowserEvent.coordinate
var property = obj.getProperties()//获取真正的属性信息
var geometry = obj.getGeometry();//获取地理数据信息
var json_obj = eval(obj)
//下面是摸索到的在geojson里面引用数据的方法，不知道直接用csv会不会简单点
var ftype = property["type"]
var ftitle = property["title"]
var otitle = obj.get('title')//事实证明这种获取方法默认是在properties下的数据
//properties数据引用
var station = property['Station']
var Ve_I = property['Ve_I']
var Ve_E = property['Ve_E']
var dVe = property['dVe']
var Vn_I = property['Vn_I']
var Vn_E = property['Vn_E']
var dVn = property['dVn']
var Cen = property['Cen']
var url = property['url']
//geometry下的数据只能这样引用
var geotype = geometry.getType();
var geocoordinates = geometry.getCoordinates();
var jwd = ol.proj.toLonLat(geocoordinates, 'EPSG:3857');
var fixed_1 = (jwd[0]).toFixed(3)
var fixed_2 = (jwd[1]).toFixed(3)
data_detail.innerHTML = `
<strong><p>GPS站点：`+ station + `</p></strong>
<p> </p>
<p>经纬度坐标：`+ fixed_1 + `,` + fixed_2 + `</p>
<p>东方向速率不确定值：`+ dVe + ` mm/yr</p>
<p>北方向速率不确定值：`+ dVn + ` mm/yr</p>
<p>两方向相关指数:`+ Cen + `</p>
`
popup_content.innerHTML = `
<p>GPS站点：`+ station + `</p>
<p>经纬度坐标：`+ fixed_1 + `,` + fixed_2 + `</p>
<p>基于ITRF2008</p>
<p>东方向形变速率：`+ Ve_I + ` mm/yr</p>
<p>北方向形变速率：`+ Vn_I + ` mm/yr</p>
<p>基于欧亚板块</p>
<p>东方向形变速率：`+ Ve_E + ` mm/yr</p>
<p>北方向形变速率：`+ Vn_E + ` mm/yr</p>
<p>东方向速率不确定值：`+ dVe + ` mm/yr</p>
<p>北方向速率不确定值：`+ dVn + ` mm/yr</p>
<p>两方向相关指数:`+ Cen + `</p>
`
overlay.setPosition(coordinate);//定义弹出框的位置