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Load 3DTiles containing KTX 2.0 textures

To support loading tilted model data containing KTX 2.0 textures, the 3DTiles service must have the KHR_texture_basisu extended attribute, and the ktx2ParseUrl parameter and encoding parameter need to be set.

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   <!DOCTYPE html>
   <html>
   <head>
       <meta charset="utf-8"/>
       <title>Loading 3DTiles containing KTX 2.0 textures</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/v9.16.0/mapmost-webgl-min.js"></script>
   </head>
   <body>
   <div id="map"></div>
   <script>
      var map = new mapmost.Map({
       container: 'map',  
       style: "<your style url>",  
       center: [120.766, 30.04859],  
       zoom: 15,  
       pitch: 60,
       userId: '***', // Authorization code
     });
   
    map.on('load', function () {
        const TILESET_URL = "<your 3dtiles url>"; 
        map.addLayer(
            {
                id: 'tile-3d-layer',
                type: "3DTiles",
                data: TILESET_URL,
                dracoUrl: "http://******/draco/", 
                ktx2ParseUrl: 'http://******/basis/', // Load the decompression library file address of the KTX 2.0 texture model
                encoding:mapmost.ColorSpace.LinearEncoding
            }
        )
    })

    function removeLayer() {
        map.removeLayer('tile-3d-layer')
    }
   </script>
   </body>
   </html>