2.说说谷歌地图,谷歌地图的热力图我就不说了,https://developers.google.com/maps/documentation/javascript/examples/ 这里面有实例的。 a.谷歌地图支持热力图叠加,但是没有海量点,这一点让我很难过,如果全部画marker的话,数据点太多,加载太卡 b.这就用到了谷歌聚合点,如图 3.代码实例,主要看看引用了哪些个文件...
方法/步骤 1 // This example adds a marker to indicate the position// of Bondi Beach in Sydney, Australiafunction initialize() { var mapOptions = { zoom: 4, center: new google.maps.LatLng(-33, 151) } var map = new google.maps.Map(document.getElementById('map-canvas'),...
removeMarker(marker):从MarkerManager中移除一个标记。 clearMarkers():移除所有标记。 getMarkerCount(zoom):返回在指定的zoom-level下的标记个数。 MarkerManager是Google提供的一个实用工具库。从下面的链接你可以下载源代码以及说明文档和例子。Google Maps MarkerManagerSVN: http://gmaps-utility-library.googlecode...
google.maps.event.addListener(map,'center_changed',function() {window.setTimeout(function() {map.panTo(marker.getPosition());},3000);}); 1. 2. 3. 4. 5. (3)单击Marker显示InfoWindow 如上图,单击Marker,显示一个含有Hello world 字符的InfoWindow,相关代码如下: 复制 var infowindow =newgoogle...
使用Google Maps 時,可使用 google.maps.Marker 類別將標記新增至地圖,也可以將地圖指定為其中一個選項。JavaScript 複製 //Create a marker and add it to the map. var marker = new google.maps.Marker({ position: new google.maps.LatLng(51.5, -0.2), label: '10', map: map }); 之後:使用 ...
google.maps.event.addListener(map,'click',function(e){ addMaker(e.latLng,map); }); } function addMaker(position,map){ var marker = new google.maps.Marker({ position: position, map: map }); map.panTo(position); } window.onload = initialize; ...
Marker will be discontinued on February 21, 2024. Please use google.maps.marker.AdvancedMarkerElement instead. For more information about the end of support, please visit https://developers.google.com/maps/deprecations. "@react-google-maps/api": "^2.19.3", When I looked at the console, I ...
We can also control the amount of point of interest icons and names visible on the map. Just go toCustomize -> Mapsand turn down downLabels: Turning down labels removes all the text from a map. Step 5. Change our marker style
如果您想添加特定功能来响应标记点击事件,请将地图的OnMarkerClickListener()设置为ClusterManager,因为ClusterManager会实现监听器。 将标记送入ClusterManager。 以下列出了更详细的步骤:如需创建包含十个标记的简单聚类,请先创建实现ClusterItem的MyItem类。
"description": 'Sanjay Gandhi National Park is a large protected area in the northern part of Mumbai city.' } ]; window.onload = function () { LoadMap(); }; var map; var marker; function LoadMap() { var mapOptions = { center: new google.maps.LatLng(markers[0].lat, markers[0]....