版本：9.4.1
三维模型线框设置

实现三维模型线框的增、删、显、隐功能。
<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8"/>
    <title>三维模型线框设置</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%;
        }

        .btn-group {
            position: absolute;
            top: 20px;
            left: 20px;
        }
    </style>
    <script src="https://delivery.mapmost.com/cdn/sdk/webgl/v9.4.1/mapmost-webgl-min.js"></script>
</head>

<body>
<div id="map"></div>
<div class="btn-group">
    <button onClick="setFrame(1)">添加</button>
    <button onClick="setFrame(2)">移除</button>
    <button onClick="setFrame(3)">显示</button>
    <button onClick="setFrame(4)">隐藏</button>
</div>
<script>
    let map = new mapmost.Map({
        container: 'map',  
        style: "<your style url>", 
        center: [120.74603465203592, 31.30605899929158], 
        zoom: 16.810035105070947, 
        pitch: 59.48725112156901, 
        bearing: -54.10626584095007, 
        userId: '***', // 授权码
        env3D:{
            exposure: 0.72,
            defaultLights: false,
        }
    });

    let model_group;
    map.on('load', function () {

        let models_obj = ["../example_data/Olympic.glb"].map(item => ({
            type: 'glb',
            url: item
        }));

        let options = {
            id: 'model_id',
            type: 'model',
            models: models_obj,
            center: [120.74603465203592, 31.30605899929158, 6.0],
            callback: function (group, layer) {
                model_group = group;
            }
        };
        map.addLayer(options);

    })

    function setFrame(para) {
        if (model_group) {
            switch (para) {
                case 1:
                    model_group.addFrame(0x555555);
                    break;
                case 2:
                    model_group.removeFrame();
                    break;
                case 3:
                    model_group.showFrame();
                    break;
                case 4:
                    model_group.hideFrame();
                    break;
                default:
                    break;
            }
        }
    }
</script>
</body>

</html>