全局地图图块消失，超出缩放级别19

问题描述：

我将OpenStreetMap与 Leaflet.js 一起使用.

I use OpenStreetMap with Leaflet.js.

我有一张带有室内图片的地图.问题是当我放大时，街道消失了.你知道什么可以解决这个问题吗?技巧或提示！

I have a map with an indoor picture on it. The problem is when I zoom in, streets disapears. Do you know anything that can solve this plz? Tricks or tips!

编辑:

// Load the Map
this.map_ = L.map($(selector)[0], {
    center: [
      48.8459382,
      2.2863024,
    ],

    maxZoom: 24,
    zoom: 20,
});

答

我想您已经使用了 map.options.maxZoom ，以便用户放大以查看您的室内图像细节.

I guess you have used map.options.maxZoom at a high number to let the user zoom to see your indoor image details.

但是，在缩放级别19以后，OSM磁贴不可用，因此服务器返回404错误，并且您的磁贴被错误磁贴"(如果未指定，则只是一个灰色磁贴)替换.

However, OSM tiles are not available past zoom level 19, so the server returns 404 errors and your tiles are replaced by the Error Tile (or just a grey tile if not specified).

在这种情况下，您只需要在 Tile Layer 上使用这两个选项(一起)即可告诉Leaflet重新使用较低缩放比例的图块并进行扩展:

In that case, you would simply need to use these 2 options (together) on Tile Layer to tell Leaflet to re-use tiles from a lower zoom and to expand them:

maxNativeZoom 设置为19.
maxZoom 设置为您需要的值，如果等于map.options.maxZoom指定.

maxNativeZoom set at 19.
maxZoom set at whatever you need, and equal to map.options.maxZoom if specified.

L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
    maxNativeZoom: 19, // OSM max available zoom is at 19.
    maxZoom: 22 // Match the map maxZoom, or leave map.options.maxZoom undefined.
}).addTo(map);

演示: http://jsfiddle.net/ve2huzxw/68/

全局地图图块消失，超出缩放级别19

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