谷歌地图航点未显示完整路径 [英] Google Maps Waypoints not showing whole path
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问题描述
我正在使用 Google Maps V3 路线服务绘制从源到目的地的简单路线.
I am drawing a simple route from a source to destination using Google Maps V3 Directions Service.
我需要添加路线必须经过的一些位置(中点或航点).Google 地图为此提供了航点.
I need to add some locations(midpoints or waypoints) that the route has to pass through. Google maps provides waypoints for this.
我参考了他们的文档和添加航点的示例.但是，当我尝试通过添加航点来绘制路线时，路线仅显示从在航点数组中添加的最后位置到目的地.我希望显示从 src 到 目的地 的路线，其中包含沿路线的航点.
I have referred to their documentation and example to add waypoints. But when I try to draw the route by adding waypoints the route is displayed only from the last location added in the waypoints array to the destination. I want the route displayed from src to destination with waypoints included along the route.
我附上了我的代码.我哪里出错了?
I have attached my code. Where am I going wrong?
var map;
var wyPts = [];
function addWayPoints(location)
{
wyPts.push({
location:location,
stopover:true
});
}
function createInfoWindowContent(latLng, contentStr) {
var content = '<p><b>' + contentStr + ' </b> </p>' + 'LatLng: ' + latLng ;
return content;
}
function displayRoute(origin, destination, service, display) {
service.route({
origin : origin,
destination : destination,
//waypoints: [{location: new google.maps.LatLng(30.439025, -97.685654)}, {location: new google.maps.LatLng(30.434882, -97.677015)} , {location:new google.maps.LatLng(30.429495, -97.675274)}],
waypoints:wyPts,
optimizeWaypoints: true,
travelMode : google.maps.DirectionsTravelMode.DRIVING
}, function(response, status) {
if (status === google.maps.DirectionsStatus.OK) {
display.setDirections(response);
} else {
alert('Could not display directions due to: ' + status);
}
});
}
function initMap() {
//////////source destination and middle waypoints
var src = new google.maps.LatLng(30.444719, -97.686202); // //school
//addWayPoints(src);
var midPt1 = new google.maps.LatLng(30.439025, -97.685654); //
addWayPoints(midPt1);
var midPt2 = new google.maps.LatLng(30.434882, -97.677015); //
addWayPoints(midPt2);
var midPt3 = new google.maps.LatLng(30.429495, -97.675274); //
addWayPoints(midPt3);
/* for (var i = 0; i < wyPts.length; i++) {
alert("pts are : " + wyPts[i].location);
} */
var destination = new google.maps.LatLng(30.401820, -97.669545); //
///////////draw the map
map = new google.maps.Map(document.getElementById('map'), {
center : src,
mapTypeControlOptions : {
style : google.maps.MapTypeControlStyle.HORIZONTAL_BAR,
position : google.maps.ControlPosition.TOP_RIGHT,
mapTypeIds : [ google.maps.MapTypeId.ROADMAP,
google.maps.MapTypeId.TERRAIN,
google.maps.MapTypeId.HYBRID ]
},
zoomControl : true,
zoomControlOptions : {
position : google.maps.ControlPosition.RIGHT_CENTER
},
zoom : 14
});
//draw infowindow at src and destination
var coordInfoWindowSrc = new google.maps.InfoWindow({
content: createInfoWindowContent(src , "Source"),
maxWidth : 180
});
coordInfoWindowSrc.setPosition(src);
coordInfoWindowSrc.open(map);
var coordInfoWindowDest = new google.maps.InfoWindow({
content: createInfoWindowContent(destination , "Destination"),
maxWidth : 180
});
coordInfoWindowDest.setPosition(destination);
coordInfoWindowDest.open(map);
//display route
var polylineProps = new google.maps.Polyline({
strokeColor : '#009933',
strokeOpacity : 1.0,
strokeWeight : 3
});
var directionsDisplay = new google.maps.DirectionsRenderer({
draggable : false, //do not make the route draggable
map : map,
suppressMarkers: true ,
polylineOptions : polylineProps
});
var directionsService = new google.maps.DirectionsService();
displayRoute(src, destination, directionsService,directionsDisplay);
//add listener to map
directionsDisplay.addListener(
'change',
function() {
displayRoute(src, destination, directionsService,
directionsDisplay);
});
}
提前致谢.
推荐答案
polylineOptions 匿名对象不是(也不应该是)google.maps.Polyline.
A polylineOptions anonymous object is not (and shouldn't be) a google.maps.Polyline.
var polylineProps = new google.maps.Polyline({
strokeColor : '#009933',
strokeOpacity : 1.0,
strokeWeight : 3
});
应该是:
var polylineProps = {
strokeColor : '#009933',
strokeOpacity : 1.0,
strokeWeight : 3
};
如果我解决了这个问题，这条线就会出现在完整的路线上:
If I fix that that, the line appears for the complete route:
代码片段:
var map;
var wyPts = [];
function addWayPoints(location) {
wyPts.push({
location: location,
stopover: true
});
}
function createInfoWindowContent(latLng, contentStr) {
var content = '<p><b>' + contentStr + ' </b> </p>' + 'LatLng: ' + latLng;
return content;
}
function displayRoute(origin, destination, service, display) {
service.route({
origin: origin,
destination: destination,
//waypoints: [{location: new google.maps.LatLng(30.439025, -97.685654)}, {location: new google.maps.LatLng(30.434882, -97.677015)} , {location:new google.maps.LatLng(30.429495, -97.675274)}],
waypoints: wyPts,
optimizeWaypoints: true,
travelMode: google.maps.DirectionsTravelMode.DRIVING
}, function(response, status) {
if (status === google.maps.DirectionsStatus.OK) {
display.setDirections(response);
} else {
alert('Could not display directions due to: ' + status);
}
});
}
function initMap() {
//////////source destination and middle waypoints
var src = new google.maps.LatLng(30.444719, -97.686202); // //school
//addWayPoints(src);
var midPt1 = new google.maps.LatLng(30.439025, -97.685654); //
addWayPoints(midPt1);
var midPt2 = new google.maps.LatLng(30.434882, -97.677015); //
addWayPoints(midPt2);
var midPt3 = new google.maps.LatLng(30.429495, -97.675274); //
addWayPoints(midPt3);
/* for (var i = 0; i < wyPts.length; i++) {
alert("pts are : " + wyPts[i].location);
} */
var destination = new google.maps.LatLng(30.401820, -97.669545); //
///////////draw the map
map = new google.maps.Map(document.getElementById('map'), {
center: src,
mapTypeControlOptions: {
style: google.maps.MapTypeControlStyle.HORIZONTAL_BAR,
position: google.maps.ControlPosition.TOP_RIGHT,
mapTypeIds: [google.maps.MapTypeId.ROADMAP,
google.maps.MapTypeId.TERRAIN,
google.maps.MapTypeId.HYBRID
]
},
zoomControl: true,
zoomControlOptions: {
position: google.maps.ControlPosition.RIGHT_CENTER
},
zoom: 14
});
//draw infowindow at src and destination
var coordInfoWindowSrc = new google.maps.InfoWindow({
content: createInfoWindowContent(src, "Source"),
maxWidth: 180
});
coordInfoWindowSrc.setPosition(src);
coordInfoWindowSrc.open(map);
var coordInfoWindowDest = new google.maps.InfoWindow({
content: createInfoWindowContent(destination, "Destination"),
maxWidth: 180
});
coordInfoWindowDest.setPosition(destination);
coordInfoWindowDest.open(map);
//display route
var polylineProps = {
strokeColor: '#009933',
strokeOpacity: 1.0,
strokeWeight: 3
};
var directionsDisplay = new google.maps.DirectionsRenderer({
draggable: false, //do not make the route draggable
map: map,
suppressMarkers: true,
polylineOptions: polylineProps
});
var directionsService = new google.maps.DirectionsService();
displayRoute(src, destination, directionsService, directionsDisplay);
//add listener to map
directionsDisplay.addListener(
'change',
function() {
displayRoute(src, destination, directionsService,
directionsDisplay);
});
}
google.maps.event.addDomListener(window, 'load', initMap);html,
body,
#map {
height: 100%;
width: 100%;
margin: 0px;
padding: 0px
}<script src="https://maps.googleapis.com/maps/api/js"></script>
<div id="map"></div>相关问题:谷歌地图API V3.无法为 TRANSIT 路线创建自定义折线
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