全球人口数据-源代码示例 运行 重置

                    <!DOCTYPE html>

<html>
<head>
    <meta charset='UTF-8'/>
    <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no'/>
       <link href='http://bigemap.com:9000/bigemap-gl.js/v1.1.0/Widgets/widgets.css' rel='stylesheet'/>
    <script src='http://bigemap.com:9000/bigemap-gl.js/v1.1.0/bigemap-gl.js'></script>
    <style>
        body {
            margin: 0;
            padding: 0;
        }
        #container {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 100%;
        }
        .bmgl-widget-credits{display:none}
    </style>
    <title>part_test</title>
</head>
<body>
<div id='container'></div>
<script>
    bmgl.Config.HTTP_URL = 'http://bigemap.com:9000';
    var viewer = new bmgl.Viewer('container', {
        mapId: 'bigemap.googlemap-satellite',
        requestRenderMode:false,
    });
    viewer.scene.globe.depthTestAgainstTerrain=false;
    bmgl.Resource.fetchJson({
        url:'/bmgl/data/data/population909500.json'
    }).then(function (data) {
        var all=[];
        for(let i=0;i<data[0][1].length;i+=3){
            if (!data[0][1][i+2]) continue;
            all.push(new bmgl.GeometryInstance({
                geometry:new bmgl.PolylineGeometry({
                    width:3,
                    colors: [bmgl.Color.fromHsl(0.6 -  data[0][1][i+2]* 0.5, 1.0, 0.5)],
                    positions:[
                        bmgl.Cartesian3.fromDegrees(data[0][1][i+1],data[0][1][i],0),
                        bmgl.Cartesian3.fromDegrees(data[0][1][i+1],data[0][1][i],data[0][1][i+2]*10000000),
                    ],
                })
            }));
        }
        var  p=new bmgl.Primitive({
            geometryInstances:all,
            appearance : new bmgl.PolylineColorAppearance({
                translucent : false
            })
        });
        viewer.scene.primitives.add(p);
    })
</script>
</body>
</html>
                                                                                            
源码