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版本：9.2.0

获取三维模型外包盒

可获取三维模型外包盒。

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<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <title>添加包围盒线框</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%;
            color: #e4dada;
        }

        #choose_group {
            position: absolute;
            top: 20px;
            left: 20px;
            color: #fff;
        }
    </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: [120.67727020663829, 31.31997024841401], 
            zoom: 17.2, 
            pitch: 59.48725112156901, 
            bearing: -54.10626584095007, 
            userId: '***', // 授权码
            env3D: {
                exposure: 2.8,
                envMap: '../example_data/hdr/WhiteBG_Ref_1K.hdr'
            }
        });
        map.on('load', function () {

            let models_obj = ["./house.glb"].map(item => ({
                type: 'glb',
                url: item
            }));
            let options = {
                id: 'model_id',
                type: 'model',
                models: models_obj,
                center: [120.67727020663829, 31.31997024841401],
                callback: (function (group, layer) {
                    // layer.addBoxHelper(group, '#FF0000'); // 添加所有模型的总包围盒
                    layer.addBoxHelper(group.children[0], '#FF0000'); // 添加单个模型包围盒
                }),
            };
            map.addLayer(options);
        })
    </script>
</body>

</html>