Show OpenTopoMap

(closes #5277)

data/imagery.json

@@ -44954,6 +44954,16 @@
       ],
       "terms_text": "openstreetmap.hu"
     },
+    {
+      "id": "OpenTopoMap",
+      "name": "OpenTopoMap",
+      "type": "tms",
+      "template": "https://{switch:a,b,c}.tile.opentopomap.org/{zoom}/{x}/{y}.png",
+      "zoomExtent": [3, 17],
+      "terms_url": "https://tile.opentopomap.org/about#verwendung",
+      "terms_text": "Kartendaten: © OpenStreetMap-Mitwirkende, SRTM | Kartendarstellung: © OpenTopoMap (CC-BY-SA)",
+      "icon": "https://osmlab.github.io/editor-layer-index/sources/world/OpenTopoMap.png"
+    },
     {
       "id": "lu.geoportail.opendata.ortho2010",
       "name": "Ortho 2010 geoportail.lu",

data/update_imagery.js

@@ -15,7 +15,6 @@ const blacklist = {
     'osm-mapnik-black_and_white': true,   // 'OpenStreetMap (Standard Black & White)'
     'osm-mapnik-no_labels': true,         // 'OpenStreetMap (Mapnik, no labels)'
     'OpenStreetMap-turistautak': true,    // 'OpenStreetMap (turistautak)'
-    'OpenTopoMap': true,                  // 'OpenTopoMap'
 
     'hike_n_bike': true,                  // 'Hike & Bike'
     'landsat': true,                      // 'Landsat'