Javascript 谷歌地图API v3动态生成行?
我正在开发一个谷歌地图原型,我想画一条线连接我地图上的每个标记。但是,目前我正在硬编码线的坐标,将其与用于标记的坐标分开,并想知道如何使其成为动态的,以便只需添加标记,就可以从这些点自动生成线 我希望动态生成的脚本部分被注释 以下是我当前的代码:Javascript 谷歌地图API v3动态生成行?,javascript,google-maps-api-3,google-polyline,Javascript,Google Maps Api 3,Google Polyline,我正在开发一个谷歌地图原型,我想画一条线连接我地图上的每个标记。但是,目前我正在硬编码线的坐标,将其与用于标记的坐标分开,并想知道如何使其成为动态的,以便只需添加标记,就可以从这些点自动生成线 我希望动态生成的脚本部分被注释 以下是我当前的代码: <!DOCTYPE html> <html> <head> <title>Travel Log</title> <meta name="viewport" conte
<!DOCTYPE html>
<html>
<head>
<title>Travel Log</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<style>
html, body, #map-canvas {
height: 100%;
margin: 0px;
padding: 0px
}
</style>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp"></script>
<script>
var map;
var locations = [
['Mankato, MN', 44.1834814, -93.9774519, 1],
['Duluth, MN', 46.7649885, -92.1112232, 2],
['Rochester, MN', 43.9959876, -92.4811724, 3],
['Fargo, ND', 46.8541979, -96.8285138, 4],
['Minneapolis, MN', 44.970697, -93.2614785, 5]
];
function initialize() {
var mapOptions = {
zoom: 5,
center: new google.maps.LatLng(46.4418595,-93.3655146)
};
map = new google.maps.Map(document.getElementById('map-canvas'),
mapOptions);
var infowindow = new google.maps.InfoWindow();
var marker, i;
for (i = 0; i < locations.length; i++) {
marker = new google.maps.Marker({
position: new google.maps.LatLng(locations[i][1], locations[i][2]),
map: map
});
google.maps.event.addListener(marker, 'click', (function(marker, i) {
return function() {
infowindow.setContent(locations[i][0]);
infowindow.open(map, marker);
}
})(marker, i));
}
/////////////////////////////////////////
//This is the part I want to be dynamic//
/////////////////////////////////////////
var lineCoordinates = [
new google.maps.LatLng(44.1834814, -93.9774519),
new google.maps.LatLng(46.7649885, -92.1112232),
new google.maps.LatLng(43.9959876, -92.4811724),
new google.maps.LatLng(46.8541979, -96.8285138),
new google.maps.LatLng(44.970697, -93.2614785)
];
var tripPath = new google.maps.Polyline({
path: lineCoordinates,
geodesic: true,
strokeColor: '#000',
strokeOpacity: 1.0,
strokeWeight: 2
});
tripPath.setMap(map);
}
google.maps.event.addDomListener(window, 'load', initialize);
</script>
</head>
<body>
<div id="map-canvas"></div>
</body>
</html>
旅行日志
html,正文,#地图画布{
身高:100%;
边际:0px;
填充:0px
}
var映射;
变量位置=[
[Mankato,MN',44.1834814,-93.9774519,1],
[Duluth,MN',46.7649885,-92.1112232,2],
[Rochester,MN',43.9959876,-92.4811724,3],
[Fargo,ND',46.8541979,-96.8285138,4],
[明尼苏达州明尼阿波利斯,44.970697,-93.2614785,5]
];
函数初始化(){
变量映射选项={
缩放:5,
中心:新google.maps.LatLng(46.4418595,-93.3655146)
};
map=new google.maps.map(document.getElementById('map-canvas'),
地图选项);
var infowindow=new google.maps.infowindow();
var标记,i;
对于(i=0;i
您可以很好地使用
var lineCoordinates = locations.map(function (val) {
return new google.maps.LatLng(val[1], val[2]);
});
在循环内填充
线坐标
: