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版本：9.4.1

移除模型

移除三维场景中已加载的模型。

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<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8"/>
    <title>移除模型</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/v9.4.1/mapmost-webgl-min.js"></script>
</head>

<body>
<div id="map"></div>
<script>
    let map = new mapmost.Map({
        container: 'map',  
        style: "<your style url>", 
        center: [120.74603465203592, 31.30605899929158], 
        zoom: 17, 
        pitch: 59.48725112156901, 
        bearing: -54.10626584095007,
        userId: '***', // 授权码 
        env3D:{
            exposure: 0.9,
        }
    });

    let modelGroup, Cube, modelLayer;
    map.on('load', function () {

        let models_obj = ["../example_data/Olympic.glb", "../example_data/OlympicRoof.glb"].map(item => ({
            type: 'glb',
            url: item
        }));
        
        let options = {
            id: 'model_id',
            type: 'model',
            models: models_obj,
            center: [120.74603465203592, 31.30605899929158, 0.0],
            callback: function (group, layer) {
                modelGroup = group;
                modelLayer = layer;
                // 创建小方块
                Cube = layer.addPoints({
                    type: "cube",
                    size: 20,
                    color: 0x0000ff,
                    opacity: 0.9,
                    data: [{
                        coordinate: [120.74603465203592, 31.30605899929158, 80.0]
                    }]
                });
            }
        };
        map.addLayer(options);
    })

    function removeModel(num) {
        if (modelLayer) {
            if (num === 1) {
                modelLayer.removeModel(Cube)
            } else {
                modelLayer.removeModel(modelGroup)
            }
        }
    }
</script>
</body>

</html>