First working version of snapping to already existing ways from the add-UI (still too slow though), partial fix of #436

assets/layers/barrier/barrier.json

@@ -53,6 +53,11 @@
       "description": {
         "en": "A bollard in the road",
         "nl": "Een paaltje in de weg"
+      },
+      "preciseInput": {
+        "preferredBackground": ["photo"],
+        "snapToLayer": "cycleways_and_roads",
+        "maxSnapDistance": 25
       }
     },
     {
@@ -66,6 +71,11 @@
       "description": {
         "en": "Cycle barrier, slowing down cyclists",
         "nl": "Fietshekjes, voor het afremmen van fietsers"
+      },
+      "preciseInput": {
+        "preferredBackground": ["photo"],
+        "snapToLayer": "cycleways_and_roads",
+        "maxSnapDistance": 25
       }
     }
   ],

assets/layers/crossings/crossings.json

@@ -66,6 +66,11 @@
       "description": {
         "en": "Crossing for pedestrians and/or cyclists",
         "nl": "Oversteekplaats voor voetgangers en/of fietsers"
+      },
+      "preciseInput": {
+        "preferredBackground": ["photo"],
+        "snapToLayer": "cycleways_and_roads",
+        "maxSnapDistance": 25
       }
     },
     {
@@ -79,6 +84,11 @@
       "description": {
         "en": "Traffic signal on a road",
         "nl": "Verkeerslicht op een weg"
+      },
+      "preciseInput": {
+        "preferredBackground": ["photo"],
+        "snapToLayer": "cycleways_and_roads",
+        "maxSnapDistance": 25
       }
     }
   ],

assets/themes/cycle_infra/cycle_infra.json

@@ -16,14 +16,14 @@
     "en",
     "nl"
   ],
-  "maintainer": "",
+  "maintainer": "MapComplete",
   "defaultBackgroundId": "CartoDB.Voyager",
   "icon": "./assets/themes/cycle_infra/cycle-infra.svg",
   "version": "0",
   "startLat": 51,
   "startLon": 3.75,
   "startZoom": 11,
-  "widenFactor": 0,
+  "widenFactor": 0.05,
   "socialImage": "./assets/themes/cycle_infra/cycle-infra.svg",
   "enableDownload": true,
   "layers": [