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版本：9.4.0

三维模型淹没分析

在三维模型场景中进行淹没分析可视化，模型要求其自身轴Y轴朝上，可以通过Blender等软件进行调整。

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   <!DOCTYPE html>
   <html>
   <head>
       <meta charset="utf-8"/>
       <title>三维模型淹没分析</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%;
           }

            .btn-group {
                   position: absolute;
                   top: 20px;
                   left: 20px;
               }
       </style>
       <script src="https://delivery.mapmost.com/cdn/sdk/webgl/v9.4.0/mapmost-webgl-min.js"></script>
   </head>
   <body>
   <div id="map"></div>
    <div class="btn-group">
        <button onClick="add()">淹没分析</button>
        <button onClick="remove()">移除</button>
    </div>
   <script>
      var map = new mapmost.Map({
       container: 'map',  
       style: "<your style url>", 
       center: [120.74449559193792, 31.30775326748954], 
       zoom: 16, 
       pitch: 60,
       userId: '***', // 授权码  
       env3D: {
            exposure: 1.72,
            envMap: '../example_data/hdr/WhiteBG_Ref_1K.hdr'
        }
     });

    let analysis;
    let modelLayer;
    let modelGroup;
    map.on('load', function () {
        let models_obj_jjh = ["jinji_plaza_eastern_door_building", "jinji_plaza_bridge", "jinji_plaza_fence", "jinji_plaza_north_building", "jinji_plaza_star_vista", "jinji_plaza_surface", "jinji_plaza_w"].map(item => ({
            type: 'glb',
            url: "../example_data/jjh_Scene_Y/" + item + ".glb"
        }));

        let options = {
            id: 'model_id',
            type: 'model',
            models: models_obj_jjh,
            center: [120.67727020663829, 31.31997024841401, 0.0],
            callback: function (group, layer) {
                modelLayer = layer;
                modelGroup = group;
            }
        };
        map.addLayer(options);
    })

    function add() {
        analysis = new mapmost.FloodAnalysis(modelLayer);
        let polygon = [
            [120.6748700590328, 31.317587208391657],
            [120.67304114304773, 31.322872574364027],
            [120.67959508946251, 31.32397370332575],
            [120.68178555834226, 31.31655724270135],
            [120.6748700590328, 31.317587208391657]
        ];
        analysis.analyse({
            models: modelGroup,
            minHeight: 0,
            maxHeight: 150,
            startColor: "#07f5ff",
            endColor: "#f27d06",
            speed: 5,
            colorMix: 0.6,
            // range: polygon
        });
    }

    function remove() {
        analysis.clear()
    }
    
   </script>
   </body>
   </html>