diff --git a/client/html/index.html b/client/html/index.html
index 4c6afa7abd1bfb2a560f3c38921d8eaa6b3d5993..ba4ab7355e08857a092dbae0c8b7edd1fddf3807 100644
--- a/client/html/index.html
+++ b/client/html/index.html
@@ -23,7 +23,7 @@
         "leftPanelOpen": false,
         "leftPanelTabIndex": 0,
         "tutorial": "once",
-        "uploadEnabled": false,
+        "uploadEnabled": true,
         "selectFilesDownloadEnabled": false,
         "downloadEnabled": true,
         "searchEnabled" : true,
@@ -107,26 +107,10 @@
                 "name": "Nearest Neighbour",
                 "identifier": "http://www.opengis.net/def/interpolation/OGC/1/nearest-neighbour"
             },
-            // {
-            //     "name": "Cubic",
-            //     "identifier": "http://www.opengis.net/def/interpolation/OGC/1/cubic"
-            // },
-            // {
-            //     "name": "Cubic Spline",
-            //     "identifier": "http://www.opengis.net/def/interpolation/OGC/1/cubic-spline"
-            // },
             {
                 "name": "Average",
                 "identifier": "http://www.opengis.net/def/interpolation/OGC/1/average"
             },
-            // {
-            //     "name": "Lanczos",
-            //     "identifier": "http://www.opengis.net/def/interpolation/OGC/1/lanczos"
-            // },
-            // {
-            //     "name": "Mode",
-            //     "identifier": "http://www.opengis.net/def/interpolation/OGC/1/mode"
-            // },
         ]
     },
     "baseLayers": [
@@ -138,6 +122,9 @@
                 "visible": true,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -155,6 +142,9 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -172,6 +162,9 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -196,8 +189,11 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
-                    "//d.tiles.maps.eox.at/wmts/",
-                    "//e.tiles.maps.eox.at/wmts/"
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
+                    "//d.s2maps-tiles.eu/wmts/",
+                    "//e.s2maps-tiles.eu/wmts/"
                 ],
                 "matrixSet": "WGS84",
                 "style": "default",
diff --git a/config/dem_index-dev.html b/config/dem_index-dev.html
index cfe60b1abd446a2e9ca6456cbaa639287da5e201..aeacba83987fbbd23a4abc08f3554e72776c133d 100644
--- a/config/dem_index-dev.html
+++ b/config/dem_index-dev.html
@@ -157,6 +157,9 @@
                 "visible": true,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -174,6 +177,9 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -191,6 +197,9 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -794,8 +803,11 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
-                    "//d.tiles.maps.eox.at/wmts/",
-                    "//e.tiles.maps.eox.at/wmts/"
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
+                    "//d.s2maps-tiles.eu/wmts/",
+                    "//e.s2maps-tiles.eu/wmts/"
                 ],
                 "matrixSet": "WGS84",
                 "style": "default",
diff --git a/config/emg_index-dev.html b/config/emg_index-dev.html
index 216a568663040958d074d20d36ce601a3bc12050..9fdbd8e5a3ec122f5adc9cbcb8590a5d1f93d96e 100644
--- a/config/emg_index-dev.html
+++ b/config/emg_index-dev.html
@@ -125,6 +125,9 @@
                 "visible": true,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -142,6 +145,9 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -159,6 +165,9 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -252,8 +261,11 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
-                    "//d.tiles.maps.eox.at/wmts/",
-                    "//e.tiles.maps.eox.at/wmts/"
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
+                    "//d.s2maps-tiles.eu/wmts/",
+                    "//e.s2maps-tiles.eu/wmts/"
                 ],
                 "matrixSet": "WGS84",
                 "style": "default",
diff --git a/config/vhr18_index-dev.html b/config/vhr18_index-dev.html
index 40d20109f15633d5bdbdbae933d7aba41eab8c59..05f01e81fc70e80e6aefb3395d4cb1b72246e1d3 100644
--- a/config/vhr18_index-dev.html
+++ b/config/vhr18_index-dev.html
@@ -123,6 +123,9 @@
                 "visible": true,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -140,6 +143,9 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -157,6 +163,9 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
                     "//d.s2maps-tiles.eu/wmts/",
                     "//e.s2maps-tiles.eu/wmts/"
                 ],
@@ -319,8 +328,11 @@
                 "visible": false,
                 "protocol": "WMTS",
                 "urls": [
-                    "//d.tiles.maps.eox.at/wmts/",
-                    "//e.tiles.maps.eox.at/wmts/"
+                    "//a.s2maps-tiles.eu/wmts/",
+                    "//b.s2maps-tiles.eu/wmts/",
+                    "//c.s2maps-tiles.eu/wmts/",
+                    "//d.s2maps-tiles.eu/wmts/",
+                    "//e.s2maps-tiles.eu/wmts/"
                 ],
                 "matrixSet": "WGS84",
                 "style": "default",