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版本：9.1.1

加载带KTX 2.0纹理的3D模型

加载带KTX 2.0纹理的glb、gltf格式三维模型，用户可对模型进行一些列的交互式操作。

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<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8"/>
    <title>addModel</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/v9.1.1/mapmost-webgl-min.js"></script>
</head>
<body>
<div id="map"></div>
<script>
    let map = new mapmost.Map({
        container: 'map',  
        style: "<your style url>", 
        center: [120.67727020663829, 31.31997024841401,40], 
        zoom: 15, 
        pitch: 60, 
        userId: '***', // 授权码
        env3D: {
            defaultLight: true,
            exposure:1.7,
            envMap: '../example_data/hdr/venice_sunset_2k_fixed5_1.hdr'
        }
    });

    map.on('load', function () {

        let models_obj = ["dracoModel"].map(item => ({
            type: 'glb',
            url: './'+ item +'.glb',
            dracoUrl:"https://delivery.mapmost.com/cdn/sdk/lib/draco/", 
            ktx2ParseUrl: 'https://delivery.mapmost.com/cdn/sdk/lib/basis/', // 加载 KTX 2.0 纹理模型的解压库文件地址
        }));

        let options = {
            id: 'model_id',
            type: 'model',
            models: models_obj,
            center: [120.67121107013406, 31.282324825834493],   
        };
        map.addLayer(options);
    })
</script>
</body>
</html>