标注和标注图层-海量点

标注和标注图层。可添加带文字的标注,2/3D 标注建议在 30000 点内。

源代码编辑器

 <!doctype html>
<html>
<head>
 <meta charset="utf-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
 <title>标注和标注图层-海量点</title>
 <link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css"/>
 <style>
 html, body, #container {
 height: 100%;
 width: 100%;
 margin: 0;
 }
 .amap-info-window{
 width: 150px;
 background: #fff;
 border-radius: 3px;
 padding: 3px 7px;
 box-shadow: 0 2px 6px 0 rgba(114, 124, 245, .5);
 position: relative;
 }
 .amap-info-sharp{
 position: absolute;
 top: 21px;
 bottom: 0;
 left: 50%;
 margin-left: -8px;
 border-left: 8px solid transparent;
 border-right: 8px solid transparent;
 border-top: 8px solid #fff;
 }
 </style>
</head>
<body>
<div id="container"></div>
<div class="info">
 海量点展示: 30000
 </div>
<script type="text/javascript"
 src="https://webapi.amap.com/maps?v=2.0&key=您申请的key值"></script>
<script type="text/javascript" src="https://a.amap.com/jsapi_demos/static/demo-center/data/mock_position.js"></script>
<script type="text/javascript">
 var map = new AMap.Map('container', {
 zoom: 9,
 viewMode:'3D',
 center: [116.12, 40.11],
 mapStyle: 'amap://styles/whitesmoke',
 showLabel: false,
 showIndoorMap: false,
 });
 map.on('complete', function () {
 // 创建 AMap.LabelsLayer 图层
 var layer = new AMap.LabelsLayer({
 zooms: [3, 20],
 zIndex: 1000,
 collision: false
 });
 // 将图层添加到地图
 map.add(layer);
 var markers = [];
 var positions = Positions.slice(0, 3E4);
 var icon = {
 type: 'image',
 image: 'https://webapi.amap.com/theme/v1.3/markers/n/mark_b.png',
 size: [6, 9],
 anchor: 'bottom-center',
 };
 for (var i = 0; i < positions.length; i++) {
 var curPosition = positions[i];
 var curData = {
 position: curPosition,
 icon
 };
 var labelMarker = new AMap.LabelMarker(curData);
 markers.push(labelMarker);
 // 给marker绑定事件
 labelMarker.on('mouseover', function(e){
 var position = e.data.data && e.data.data.position;
 if(position){
 normalMarker.setContent(
 '<div class="amap-info-window">'
 + position +
 '<div class="amap-info-sharp"></div>' +
 '</div>');
 normalMarker.setPosition(position);
 map.add(normalMarker);
 }
 });
 labelMarker.on('mouseout', function(){
 map.remove(normalMarker);
 });
 }
 // 一次性将海量点添加到图层
 layer.add(markers);
 // 普通点
 var normalMarker = new AMap.Marker({
 anchor: 'bottom-center',
 offset: [0, -15],
 });
 });
</script>
</body>
</html>
 
 

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