在 Google 地图 API markerclusterer 中显示单个标记的数据
Show data for individual marker in Google Maps API markerclusterer
如何显示单个标记的数据?
当鼠标悬停在 Google 地图 API markerclusterer 集群上时,我能够显示自定义数据,但无法弄清楚如何对单个标记执行相同的操作(即当您放大到一个集群,直到您看到单个标记)。
显示集群数据的代码是:
var markerClusterer = null;
var map = null;
var imageUrl = 'http://chart.apis.google.com/chart?cht=mm&chs=24x32&' +
'chco=FFFFFF,008CFF,000000&ext=.png';
google.maps.event.addDomListener(window, 'load', initialize);
function refreshMap() {
if (markerClusterer) {
markerClusterer.clearMarkers();
}
var markers = [];
var markerImage = new google.maps.MarkerImage(imageUrl,
new google.maps.Size(24, 32));
for (var i = 0; i < numItemsToShow; ++i) {
var latLng = new google.maps.LatLng(itemsToShow[i].lat, itemsToShow[i].long);
var marker = new google.maps.Marker({
position: latLng,
icon: markerImage
});
markers.push(marker);
}
var zoom = parseInt(document.getElementById('zoom').value, 10);
var size = parseInt(document.getElementById('size').value, 10);
var style = parseInt(document.getElementById('style').value, 10);
zoom = zoom == -1 ? null : zoom;
size = size == -1 ? null : size;
style = style == -1 ? null: style;
markerClusterer = new MarkerClusterer(map, markers, {
maxZoom: zoom,
gridSize: size,
styles: styles[style]
});
// Respond to mouseover on marker cluster
var infoWindow = new google.maps.InfoWindow();
google.maps.event.addListener(markerClusterer, 'mouseover', function (cluster) {
// do something with this cluster ...
infoWindow.setContent("Mouseover<br>"+cluster.getCenter().toUrlValue());
infoWindow.setPosition(cluster.getCenter());
infoWindow.open(map);
});
// HOW TO RESPOND TO MOUSEOVER ON INDIVIDUAL MARKER?
}
向 google.maps.Marker 对象添加点击侦听器:
var latLng = new google.maps.LatLng(itemsToShow[i].lat, itemsToShow[i].long);
var marker = new google.maps.Marker({
position: latLng,
icon: markerImage
});
// slightly modified from Google Maps JS API v3 - Simple Multiple Marker Example
//
google.maps.event.addListener(marker, 'click', (function(marker, i) {
return function() {
infowindow.setContent(ItemsToShow[i].lat+","+itemsToShow[i].long);
infowindow.open(map, marker);
}
})(marker, i));
如何显示单个标记的数据?
当鼠标悬停在 Google 地图 API markerclusterer 集群上时,我能够显示自定义数据,但无法弄清楚如何对单个标记执行相同的操作(即当您放大到一个集群,直到您看到单个标记)。
显示集群数据的代码是:
var markerClusterer = null;
var map = null;
var imageUrl = 'http://chart.apis.google.com/chart?cht=mm&chs=24x32&' +
'chco=FFFFFF,008CFF,000000&ext=.png';
google.maps.event.addDomListener(window, 'load', initialize);
function refreshMap() {
if (markerClusterer) {
markerClusterer.clearMarkers();
}
var markers = [];
var markerImage = new google.maps.MarkerImage(imageUrl,
new google.maps.Size(24, 32));
for (var i = 0; i < numItemsToShow; ++i) {
var latLng = new google.maps.LatLng(itemsToShow[i].lat, itemsToShow[i].long);
var marker = new google.maps.Marker({
position: latLng,
icon: markerImage
});
markers.push(marker);
}
var zoom = parseInt(document.getElementById('zoom').value, 10);
var size = parseInt(document.getElementById('size').value, 10);
var style = parseInt(document.getElementById('style').value, 10);
zoom = zoom == -1 ? null : zoom;
size = size == -1 ? null : size;
style = style == -1 ? null: style;
markerClusterer = new MarkerClusterer(map, markers, {
maxZoom: zoom,
gridSize: size,
styles: styles[style]
});
// Respond to mouseover on marker cluster
var infoWindow = new google.maps.InfoWindow();
google.maps.event.addListener(markerClusterer, 'mouseover', function (cluster) {
// do something with this cluster ...
infoWindow.setContent("Mouseover<br>"+cluster.getCenter().toUrlValue());
infoWindow.setPosition(cluster.getCenter());
infoWindow.open(map);
});
// HOW TO RESPOND TO MOUSEOVER ON INDIVIDUAL MARKER?
}
向 google.maps.Marker 对象添加点击侦听器:
var latLng = new google.maps.LatLng(itemsToShow[i].lat, itemsToShow[i].long);
var marker = new google.maps.Marker({
position: latLng,
icon: markerImage
});
// slightly modified from Google Maps JS API v3 - Simple Multiple Marker Example
//
google.maps.event.addListener(marker, 'click', (function(marker, i) {
return function() {
infowindow.setContent(ItemsToShow[i].lat+","+itemsToShow[i].long);
infowindow.open(map, marker);
}
})(marker, i));