设置热力图选中态

通过 selectStyle，设置 3D 热力图选中样式。3D 类型仅支持修改 color 属性。

源代码编辑器

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>正四边形热力图 选中样式</title>
    <style>
        html,
        body,
        #container {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 100%;
        }
    </style>
</head>
<body>
<div id="container" class="container"></div>
<script src="//webapi.amap.com/loca?v=1.2.0&key=您申请的key值"></script>
<script src="//a.amap.com/Loca/static/dist/jquery.min.js"></script>
<script>

    var map = Loca.create('container', {
        mapStyle: 'amap://styles/twilight',
        zoom: 9,
        pitch: 50,
        center: [120.198254, 36.465551],
        zooms: [4, 11]
    });

    $.get('//a.amap.com/Loca/static/mock/qingdao_500m.tsv', function (heatmapData) {

        var layer = Loca.visualLayer({
            eventSupport: true, // 触发 selectStyle 需要开始事件拾取
            container: map,
            type: 'heatmap',
            shape: 'rectangle'
        });

        layer.setData(heatmapData, {
            lnglat: function (obj) {
                var val = obj.value;
                return [val['lng'], val['lat']]
            },
            value: 'count',
            type: 'tsv'
        });

        layer.setOptions({
            unit: 'meter',
            style: {
                color: ['#ecda9a', '#efc47e', '#f3ad6a', '#f7945d', '#f97b57', '#f66356', '#ee4d5a'],
                radius: 3000,
                opacity: 0.85,
                height: [100, 500000],
                gap: 300
            },
            selectStyle: {
                color: '#fcff19'
            }
        });

        layer.render();
    });

</script>
</body>
</html>

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