地图API_卫星地图_离线地图_地图可视化_离线地图二次开发

指北针+比例尺-源代码示例运行重置
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                    <!doctype html>
<html>
<head>
    <title>bmglNavigation Demo</title>
    <link rel="shortcut icon" href="favicon.ico" type="image/x-icon" />
    <link href='http://www.bigemap.com:9000/bigemap-gl.js/v1.1.0/Widgets/widgets.css' rel='stylesheet' />
    <script src='http://www.bigemap.com:9000/bigemap-gl.js/v1.1.0/bigemap-gl.js'></script>
    <link rel="stylesheet" type="text/css" href="/bmgl/js/navigation/bmgl-navigation.css">
    <script type="text/javascript" src="/bmgl/js/navigation/bmglNavigation.js"></script>
    <style>
        body{
            padding: 0;
            margin: 0;
        }
        #map{
            position: absolute;
            height: 100%;
            width: 100%;
        }
    </style>
<body>
    <div id="map" ></div>
    <script type="text/javascript">
        bmgl.Config.HTTP_URL = "http://www.bigemap.com:9000"
        var viewer = new bmgl.Viewer('map', {
            mapId: 'bigemap.zhongkexingtu',
        });
        var options = {};
        // 用于在使用重置导航重置地图视图时设置默认视图控制。接受的值是bmgl.Cartographic 和 bmgl.Rectangle.
        options.defaultResetView = bmgl.Rectangle.fromDegrees(80, 22, 130, 50);
        // 用于启用或禁用罗盘。true是启用罗盘，false是禁用罗盘。默认值为true。如果将选项设置为false，则罗盘将不会添加到地图中。
        options.enableCompass = true;
        // 用于启用或禁用缩放控件。true是启用，false是禁用。默认值为true。如果将选项设置为false，则缩放控件将不会添加到地图中。
        options.enableZoomControls = true;
        // 用于启用或禁用距离图例。true是启用，false是禁用。默认值为true。如果将选项设置为false，距离图例将不会添加到地图中。
        options.enableDistanceLegend = true;
        // 用于启用或禁用指南针外环。true是启用，false是禁用。默认值为true。如果将选项设置为false，则该环将可见但无效。
        options.enableCompassOuterRing = true;
        bmglNavigation.umd(viewer, options);
    </script>
</body>
</html>                                                        
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