全国粤菜分布情况

源代码编辑器
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>圆点—全国粤菜分布情况</title>
    <style>
        html,
        body,
        #map {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
        }
        
        .demo-title {
            position: absolute;
            top: 25px;
            left: 25px;
            z-index: 1;
        }

        h1 {
            font-size: 18px;
            margin: 0;
            color: rgb(180, 180, 190);
        }

        h3 {
            font-size: 12px;
            font-weight: normal;
            margin-top: 5px;
            color: rgb(150,150,150);
        }
    </style>
</head>

<body>
    <div class="demo-title">
        <h1>圆点—全国粤菜分布情况</h1>
        <h3>全国粤菜的分布密度，数据量大约有10万个点</h3>
    </div>
    <div id="map"></div>
    <script src="http://webapi.amap.com/maps?v=2.0&key=您申请的key值"></script>
    <script src="http://webapi.amap.com/loca?v=2.0.0&key=您申请的key值"></script>
    <script>
        var map =  new AMap.Map('map', {
            zooms: [4, 8],
            zoom: 4.5,
            showLabel: false,
            viewMode: '3D',
            center: [105.425968, 35.882505],
            mapStyle: 'amap://styles/45311ae996a8bea0da10ad5151f72979',
        });

        var loca = new Loca.Container({
            map,
            opacity: 1,
        });

        var geo = new Loca.GeoJSONSource({
            url: 'http://a.amap.com/Loca/static/loca-v2/demos/mock_data/cuisine.json',
        });

        var pl = window.pl = new Loca.PointLayer({
            zIndex: 10,
            blend: 'lighter',
        });

        var style = {
            radius: 3.5,
            unit: 'px',
            color: '#3C1FA8',
            borderWidth: 0,
            blurWidth: 3.5,
        }
        pl.setSource(geo);
        pl.setStyle(style);
        loca.add(pl);

        pl.addAnimate({
          key: 'radius',
          value: [0, 1],
          duration: 500,
          easing: 'Linear',
          transform: 2000,
          random: true,
          delay: 8000,
          yoyo:true,
          repeat: 100000
        });
        var dat = new Loca.Dat();
        dat.addLayer(pl);
    </script>
</body>

</html>
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