Google地图两点之间的行车路线和多点的折线图
关于Google地图路线标示
利用google.maps.Polyline可以绘制连接多点的折线图，大致如下：
详细代码:
详细参见geo-polyline.html。
利用google.maps.DirectionsService可以确定并绘制两点之间的行车路线，大致如下：
详细代码:
详细参见geo-route.html。
利用google.maps.Polyline可以绘制连接多点的折线图，大致如下：
var flightPlanCoordinates = [
latlng1,
latlng2,
latlng3
];
var flightPath = new google.maps.Polyline({
path: flightPlanCoordinates,
strokeColor: "#FF0000",
strokeOpacity: 1.0,
strokeWeight: 2 });
flightPath.setMap(map);
详细代码:
<!DOCTYPE html>
<meta charset="utf-8" />
<head>
<meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1.0, maximum-scale=1.0"/>
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black" />
<title>GeoGoogleMapTest</title>
<script src="http://maps.google.com/maps/api/js?sensor=true"></script>
<script>
if(navigator.geolocation) {
function hasPosition(position) {
var point = new google.maps.LatLng(position.coords.latitude, position.coords.longitude);
var latlng1 = new google.maps.LatLng(39.9622,116.3621);
var latlng2 = new google.maps.LatLng(39.9624,116.3623);
var latlng3 = new google.maps.LatLng(39.9624,116.3621);
myOptions = {
zoom: 19,
center: latlng1,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
mapDiv = document.getElementById("mapDiv");
map = new google.maps.Map(mapDiv, myOptions);
marker = new google.maps.Marker({
position: point,
map: map,
title: "You are here"
});
marker1 = new google.maps.Marker({
position: latlng1,
map: map,
title: "You are here"
});
marker2 = new google.maps.Marker({
position: latlng2,
map: map,
title: "You are there"
});
marker3 = new google.maps.Marker({
position: latlng3,
map: map,
title: "You are away"
});
var contentString1 = "<div>Garfield 1<img src=\"mc_6_1_1.png\" /></div>";
var contentString2 = "<div>Garfield 2<img src=\"mc_6_1_2.png\" /></div>";
var infowindow1 = new google.maps.InfoWindow({
content: contentString1
});
var infowindow2 = new google.maps.InfoWindow({
content: contentString2
});
google.maps.event.addListener(marker1, 'click', function() {
infowindow1.open(map,marker1);
});
google.maps.event.addListener(marker2, 'click', function() {
infowindow2.open(map,marker2);
});
var flightPlanCoordinates = [
latlng1,
latlng2,
latlng3
];
var flightPath = new google.maps.Polyline({
path: flightPlanCoordinates,
strokeColor: "#FF0000",
strokeOpacity: 1.0,
strokeWeight: 2 });
flightPath.setMap(map);
}
navigator.geolocation.getCurrentPosition(hasPosition);
}
</script>
<style>
#mapDiv {
width:320px;
height:460px;
border:1px solid #efefef;
margin:auto;
-moz-box-shadow:5px 5px 10px #000;
-webkit-box-shadow:5px 5px 10px #000;
}
</style>
</head>
<body>
<div id="mapDiv">loading...</div>
</body>
</html>
详细参见geo-polyline.html。
利用google.maps.DirectionsService可以确定并绘制两点之间的行车路线，大致如下：
var directionsService = new google.maps.DirectionsService();
var directionsDisplay = new google.maps.DirectionsRenderer();
directionsDisplay.setMap(map);
var request = {
origin:start,
destination:end,
travelMode: google.maps.DirectionsTravelMode.DRIVING
};
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
}
});
详细代码:
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no"/>
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
<title>Google Maps JavaScript API v3 Example: Directions Simple</title>
<link href="http://code.google.com/apis/maps/documentation/javascript/examples/default.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
<script type="text/javascript">
var directionDisplay;
var directionsService = new google.maps.DirectionsService();
var map;
function initialize() {
directionsDisplay = new google.maps.DirectionsRenderer();
var base = new google.maps.LatLng(39.9622,116.3621);
var myOptions = {
zoom:15,
mapTypeId: google.maps.MapTypeId.ROADMAP,
center: base
}
map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
directionsDisplay.setMap(map);
}
function calcRoute() {
var start = document.getElementById("start").value;
var end = document.getElementById("end").value;
var request = {
origin:start,
destination:end,
travelMode: google.maps.DirectionsTravelMode.DRIVING
};
directionsService.route(request, function(response, status) {
if (status == google.maps.DirectionsStatus.OK) {
directionsDisplay.setDirections(response);
}
});
}
</script>
</head>
<body onload="initialize()">
<div>
<b>Start: </b>
<select id="start" onchange="calcRoute();">
<option value="Beijing, CN">北京</option>
<option value="Chongqing, CN">重庆</option>
<option value="Wuhan, CN">武汉</option>
</select>
<b>End: </b>
<select id="end" onchange="calcRoute();">
<option value="上海市金科路2557号A楼">上海</option>
<option value="Shenyang, CN">沈阳</option>
<option value="Guangzhou, CN">广州</option>
</select>
</div>
<div id="map_canvas" style="top:30px;"></div>
</body>
</html>
详细参见geo-route.html。