我正在尝试使用 Google Maps JavaScript API 从多个位置对绘制多条测地线折线。我在这里找到了 98% 的内容(http://stackoverflow.com/questions/2994424/google-maps-geocoding-address-to-glatlng),但我就是不知道如何添加额外的点和其他线路(例如还显示美国芝加哥和美国洛杉矶之间的线路)。感谢任何人都可以提供的任何帮助。
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1 回答
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新的更新,这次将目的地点编码放入一个单独的函数中,并独立进行每个地理编码调用。应该比尝试嵌套回调过程更具可扩展性。
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title>Google Maps API Geocoding Demo</title>
<script src="http://maps.google.com/maps/api/js?sensor=false"
type="text/javascript"></script>
</head>
<body>
<div id="map" style="width: 1280px; height: 1024px;"></div>
<script type="text/javascript">
//add locations
var map = new google.maps.Map(document.getElementById('map'), {
zoom: 2,
center: new google.maps.LatLng(35.00, -25.00),
mapTypeId: google.maps.MapTypeId.TERRAIN
});
var address1 = '60033';
var gc = new google.maps.Geocoder();
gc.geocode({'address': address1}, function (res1, status) {
var hub = res1[0].geometry.location;
new google.maps.Marker({
position: res1[0].geometry.location,
map: map
});
geocodeLine(hub, '44145');
geocodeLine(hub, '03103');
geocodeLine(hub, '30236');
geocodeLine(hub, '18106');
geocodeLine(hub, '64147');
geocodeLine(hub, '86401');
geocodeLine(hub, '75110');
geocodeLine(hub, '56001');
geocodeLine(hub, '80239');
geocodeLine(hub, '95776');
});
function geocodeLine(hub, address)
{
var gc = new google.maps.Geocoder();
gc.geocode({'address': address}, function (res, status) {
if (status == google.maps.GeocoderStatus.OK) {
new google.maps.Marker({
position: res[0].geometry.location,
map: map
});
new google.maps.Polyline({
path: [
hub,
res[0].geometry.location
],
strokeColor: '#FF0000',
geodesic: true,
map: map
});
}
});
}
</script>
</body>
</html>
于 2012-04-27T04:49:29.557 回答