@@ -8,7 +8,7 @@ var MapTiles = {

         m.tile_size = 256;

         m.maps_base = getprop("/sim/fg-home") ~ '/cache/maps';

         m.makeUrl = string.compileTemplate(data['tiles-template']);

-        m.makePath = string.compileTemplate(m.maps_base ~ '/{server}/{type}/{z}/{x}/{y}.png');

+        m.makePath = string.compileTemplate(m.maps_base ~ '/{server}/{type}/{z}/{x}/{y}.{format}');

         m.num_tiles = [

             math.ceil( m.device.data.mapsize[0] / m.tile_size ) + 1,

             math.ceil( m.device.data.mapsize[1] / m.tile_size ) + 1

@@ -79,6 +79,7 @@ var MapTiles = {

                         y: int(offset[1] + y),

                         type: data['tiles-type'],

                         server : data['tiles-server'],

+                        format: data['tiles-format'],

                         apikey: data['tiles-apikey'],

                     };

@@ -254,7 +254,13 @@ or if there is no type, just use type `/`:

         --prop:/sim/online-tiles-server=a.tile.opentopomap.org

         --prop:/sim/online-tiles-type=/

-The only used protocol is `https` (check Nasal/map.nas).

+The only used protocol is `https` but you can provide your own template with option

+

+        --prop:/sim/online-tiles-template=http://{server}/{type}/{z}/{x}/{y}.jpeg

+

+An option is also available to tell the format of the tile image which can be used in template with the `{format}` anchor

+

+        --prop:/sim/online-tiles-format=jpeg

 ## Switch it up

 You can use the multikey (souvenirs, thanks to Melchior having that much expended this feature years ago :)) service by typing:

@@ -145,7 +145,8 @@ var init_props = func {

         server: 'maps.wikimedia.org',

         type:   'osm-intl',

         apikey: '',

-        template: 'https://{server}/{type}/{z}/{x}/{y}.png{apikey}',

+        format: 'png',

+        template: 'https://{server}/{type}/{z}/{x}/{y}.{format}{apikey}',

     };

     foreach (var v; keys(tiles_defaults)) {

         var val = getprop('/sim/online-tiles-' ~ v);