[英]Hidden markers appear after zoom - API Google Maps V3
我在地圖上有標記,我用它來刪除它們。
function clearMarkers()
{
for (i in markers)
{
markers[i].setMap(null);
}
markers = [];
}
但是,當我更改地圖的縮放比例時,所有標記再次出現。
有誰知道這是什么嗎?
var map;
var idInfoBoxOpen;
var infoBox = [];
var markers = [];
function initialize()
{
var latlng = new google.maps.LatLng(-18.8800397, -47.05878999999999);
var options = {
zoom: 5,
center: latlng,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
map = new google.maps.Map(document.getElementById("mapa"), options);
}
initialize();
function openInfoBox(id, marker) {
if (typeof(idInfoBoxOpen) == 'number' && typeof(infoBox[idInfoBoxOpen]) == 'object')
{
infoBox[idInfoBoxOpen].close();
}
infoBox[id].open(map, marker);
idInfoBoxOpen = id;
}
function loadPoints()
{
$.getJSON('assets/json/pontos.json', function(points)
{
var latlngbounds = new google.maps.LatLngBounds();
$.each(points, function(index, point)
{
var marker = new google.maps.Marker({
position: new google.maps.LatLng(point.Latitude, point.Longitude),
title: "Desc",
icon: 'assets/img/point.png',
});
var myOptions = {
content: "<p>" + point.Descricao + "</p>",
pixelOffset: new google.maps.Size(-150, 0)
};
infoBox[point.Id] = new InfoBox(myOptions);
infoBox[point.Id].marker = marker;
infoBox[point.Id].listener = google.maps.event.addListener(marker, 'click', function (e) {
openInfoBox(point.Id, marker);
});
markers.push(marker);
latlngbounds.extend(marker.position);
});
var markerCluster = new MarkerClusterer(map, markers);
map.fitBounds(latlngbounds);
});
}
function clearMarkers()
{
for (i in markers)
{
markers[i].setMap(null);
}
markers = [];
}
function reset(value)
{
clearMarkers();
}
loadPoints();
如果您不希望在更改縮放比例時返回標記,則需要從markerClusterer中刪除標記。
markerCluster.clearMarkers();
(並將markerCluster變量設置為全局變量,它當前在AJAX回調函數中是局部的)
我這樣做解決了:
for(var i = 0; i < markers.length; i++){
markers[i].setMap(null);
}
handler.removeMarkers(markers);
markers = [];
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