Google maps api 3 谷歌地图API v3集群标记与信息窗口
我已经阅读了文档,但我的脚本技能不太好,所以我正在努力在我的谷歌地图中实现集群 我的代码运行良好-获取一组位置并将它们绘制到地图上。然而,我现在在地图上有几百个点,所以我需要粗略地对这些点进行聚类,以便地图更清晰。我的代码如下所示:Google maps api 3 谷歌地图API v3集群标记与信息窗口,google-maps-api-3,Google Maps Api 3,我已经阅读了文档,但我的脚本技能不太好,所以我正在努力在我的谷歌地图中实现集群 我的代码运行良好-获取一组位置并将它们绘制到地图上。然而,我现在在地图上有几百个点,所以我需要粗略地对这些点进行聚类,以便地图更清晰。我的代码如下所示: <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script> <script type="text/java
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script>
<script type="text/javascript" src="/scripts/google-maps-marker-cluster.js"></script>
<script type="text/javascript">
var infowindow = null;
$(document).ready(function () { initialize(); });
function initialize() {
var centerMap = new google.maps.LatLng(54.5753459, -3.9550781);
var myOptions = {
zoom: 6,
center: centerMap,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
setMarkers(map, sites);
infowindow = new google.maps.InfoWindow({
content: "loading..."
});
var markerCluster = new MarkerClusterer(map,sites);
}
var sites = [
['AAA', 57.340558, -2.324553, 1, '<h2>Organisation AAA</h2><address>The address</address>'],
['ZZZ', 50.827138, -0.139432, 1, '<h2>Organisation ZZZ</h2><address>The address</address>']
];
function setMarkers(map, markers) {
var image = new google.maps.MarkerImage('/css/img/icon.png',
new google.maps.Size(16, 16),
new google.maps.Point(0,0),
new google.maps.Point(0, 32)
);
var shadow = new google.maps.MarkerImage('/css/img/shadow.png',
new google.maps.Size(37, 14),
new google.maps.Point(0,0),
new google.maps.Point(0, 32)
);
var shape = {
coord: [1, 1, 1, 20, 18, 20, 18 , 1],
type: 'poly'
};
for (var i = 0; i < markers.length; i++) {
var sites = markers[i];
var siteLatLng = new google.maps.LatLng(sites[1], sites[2]);
var marker = new google.maps.Marker({
position: siteLatLng,
map: map,
shape: shape,
title: sites[0],
zIndex: sites[3],
html: sites[4]
});
var contentString = "Some content";
google.maps.event.addListener(marker, "click", function () {
infowindow.setContent(this.html);
infowindow.open(map, this);
});
}
}
</script>
<div id="map_canvas"></div>
var infowindow=null;
$(document).ready(函数(){initialize();});
函数初始化(){
var centerMap=new google.maps.LatLng(54.5753459,-3.9550781);
变量myOptions={
缩放:6,
中心:中心地图,
mapTypeId:google.maps.mapTypeId.ROADMAP
}
var map=new google.maps.map(document.getElementById(“map_canvas”),myOptions);
设置标记(地图、地点);
infowindow=新建google.maps.infowindow({
内容:“正在加载…”
});
var markerCluster=新的MarkerClusterer(地图、站点);
}
var站点=[
[AAA',57.340558,-2.324553,1,'组织AAAATH地址',
[ZZZ',50.827138,-0.139432,1,'ZZZ地址'
];
函数集合标记(映射、标记){
var image=new google.maps.MarkerImage('/css/img/icon.png',
新谷歌地图大小(16,16),
新google.maps.Point(0,0),
新google.maps.Point(0,32)
);
var shadow=new google.maps.MarkerImage('/css/img/shadow.png',
新谷歌地图大小(37,14),
新google.maps.Point(0,0),
新google.maps.Point(0,32)
);
变量形状={
坐标:[1,1,1,20,18,20,18,1],
类型:“poly”
};
对于(var i=0;i
谁能告诉我最简单的聚类方法?我尝试移动var markerCluster=newmarkerclusterer(map)代码>在几个地方换行,但没有任何效果
谢谢你的指点…以下是我在Rails项目中的做法。它与您的非常相似,只是我循环了一个Rails变量并将其分配给javascript以构建标记数组
这里最大的区别是,我的标记的作用域在我的initialize函数中
function initialize() {
var latlng = new google.maps.LatLng(0, 0);
var myOptions = {
zoom: 8,
center: latlng,
scrollwheel: false,
mapTypeId: google.maps.MapTypeId.TERRAIN
};
var map = new google.maps.Map(document.getElementById("map"),
myOptions);
var latlnglist = []
var markers = []
var infowindow = new google.maps.InfoWindow({
content: "Loading..."
})
<% @map.each do |artwork| %>
<% unless artwork.location.blank? %>
latlnglist.push(artwork_lat_lng = new google.maps.LatLng (<%= artwork.lat %>, <%= artwork.lng %>))
markers.push(marker = new google.maps.Marker({
position: artwork_lat_lng,
title: "<%=raw escape_javascript(artwork.title) %>",
html: "<%=raw escape_javascript("#{link_to image_fu(artwork.image, '315x120>', :size => '315x120', :alt => artwork.title), map_url(artwork)} <h4>#{artwork.page_title}</h4>") %>"
}))
google.maps.event.addListener(marker, 'click', function() {
infowindow.close();
infowindow.setContent(this.html);
infowindow.open(map, this);
})
<% end %>
<% end %>
var mcOptions = {
gridSize: 50,
maxZoom: 15
}
var markerCluster = new MarkerClusterer(map, markers, mcOptions);
var bounds = new google.maps.LatLngBounds();
for (var i = 0, len = latlnglist.length; i < len; i++) {
bounds.extend(latlnglist[i]);
}
map.fitBounds(bounds);
}
google.maps.event.addDomListener(window, 'load', initialize);
函数初始化(){
var latlng=新的google.maps.latlng(0,0);
变量myOptions={
缩放:8,
中心:拉特林,
滚轮:错误,
mapTypeId:google.maps.mapTypeId.TERRAIN
};
var map=new google.maps.map(document.getElementById(“map”),
肌肽);
var latlnglist=[]
变量标记=[]
var infowindow=new google.maps.infowindow({
内容:“正在加载…”
})
latlnglist.push(artwork\u lat\u lng=new google.maps.LatLng(,)
markers.push(marker=newgoogle.maps.marker({
职位:artwork_lat_lng,
标题:“,
html:“
}))
google.maps.event.addListener(标记'click',函数(){
infowindow.close();
setContent(this.html);
打开(地图,这个);
})
变量mcOptions={
网格大小:50,
最大缩放:15
}
var markerCluster=新的MarkerClusterer(映射、标记、mcOptions);
var bounds=new google.maps.LatLngBounds();
for(变量i=0,len=latlnglist.length;i