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版本：9.2.0

hover图层查询

支持鼠标移入图层要素时，显示该要素的属性信息。

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<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <title>hover图层查询</title>
    <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
    <style>
        body {
            margin: 0;
            padding: 0;
        }

        #map {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 100%;

        }
    </style>
    <script src="https://delivery.mapmost.com/cdn/sdk/webgl/v9.2.0/mapmost-webgl-min.js"></script>
</head>

<body>
    <div id="map"></div>
    <script>
        let map = new mapmost.Map({
            container: 'map',  
            style: "<your style url>", 
            center: [120.67400351817594, 31.321374251251726], 
            zoom: 14, 
            pitch: 59.48725112156901, 
            bearing: -54.10626584095007, 
            userId: '***', // 授权码
        });

        map.on('load', function () {
            let mapPopup;
            map.on('mouseenter', 'buildings-high', function (e) {
                map.getCanvas().style.cursor = "pointer";
                let { jzzgdgd } = e.features[0].properties;
                mapPopup = new mapmost.Popup()
                    .setLngLat(e.lngLat)
                    .setHTML("建筑物高度：" + jzzgdgd)
                    .addTo(map)
            })
            map.on('mouseleave', 'buildings-high', function (e) {
                map.getCanvas().style.cursor = "";

                // 鼠标移出的时候 删除弹框
                mapPopup.remove()
            })
        })
    </script>
</body>

</html>