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版本：9.14.1-beta

3DGS批量单体化

动态创建3DGS单体化区域的外包盒模型，实现外包围盒中3DGS单体化效果。

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<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <title>3DGS批量单体化</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/v9.14.1-beta/mapmost-webgl-min.js"></script>

</head>

<body>
    <div id="map"></div>
    <script>

        var map = new mapmost.Map({
            container: 'map', 
            style: "<your style url>",
            center: [120.74449559193792, 31.30775326748954],
            zoom: 15,
            pitch: 60,
            userId: "***", // 授权码  
        });

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

            // 加载3DGS服务
            map.addLayer({
                id: "gs-3d-layer",
                type: "MMGS",
                url: "http://****/3dgs/yuanqu_100km/1/mmgs.json",
                depthWrite: true,
            });

            // 批量单体化
            const warmColors = [
                "#FF0000", // 红色
                "#00FF00", // 绿色
                "#0000FF", // 蓝色
                "#FFFF00", // 黄色
                "#FF00FF", // 品红
                "#00FFFF", // 青色
                "#FF8000", // 橙色
                "#8000FF", // 紫色
                "#80FF00", //  lime绿色
                "#FF0080", // 粉红色
            ];

            Promise.all([
                fetch("./data.json").then((res) =>
                    res.json(),
                ),
            ]).then((results) => {
                let analysis = new mapmost.ClassifyAnalysis(map);
                let data = [];
                data = data.concat(
                    results[0].map((item, index) => {
                        return {
                            coordinate: item.contour_4326,
                            color: warmColors[index % warmColors.length],
                            opacity: 0.1,
                            baseHeight: 0,
                            stretchHeight: item.max_z + 20,
                        };
                    }),
                );
                analysis.analyse(data);
            });
        })
    </script>
</body>

</html>