Add link to nearby drinking water points with some fancy calculated tag magic

Logic/GeoOperations.ts

@@ -16,9 +16,7 @@ export class GeoOperations {
     }
     
     static centerpointCoordinates(feature: any){
-        const coordinates = turf.center(feature).geometry.coordinates;
-        coordinates.reverse();
-        return coordinates;
+        return turf.center(feature).geometry.coordinates;
     }
 
     /**

Models/Constants.ts

@@ -2,7 +2,7 @@ import { Utils } from "../Utils";
 
 export default class Constants {
     
-    public static vNumber = "0.6.3";
+    public static vNumber = "0.6.4";
 
     // The user journey states thresholds when a new feature gets unlocked
     public static userJourney = {

assets/layers/drinking_water/drinking_water.json

@@ -41,6 +41,10 @@
       ]
     }
   },
+  "calculatedTags": [
+    "_closest_other_drinking_water_id=feat.closest('drinking_water').id",
+    "_closest_other_drinking_water_distance=Math.floor(feat.distanceTo(feat.closest('drinking_water')) * 1000)"
+  ],
   "minzoom": 13,
   "wayHandling": 1,
   "presets": [
@@ -122,6 +126,11 @@
           }
         }
       ]
+    },
+    {
+      "render":{
+        "en": "<a href='#{_closest_other_drinking_water_id}'>The closest other drinking water fountain is {_closest_other_drinking_water_distance} meter</a>"
+      }
     }
   ]
 }