upate: README

README.md

@@ -13,6 +13,28 @@ Precompiled binaries can be found on https://www.sqlite.org/download.html. Extra
 binary in a folder and note its path. Add the path to your system environment variables. Now you can 
 manage the SQLite database.
 
+## Adding new maps
+The current server only contains the data for a single lake, Mjøsa. To add more lakes 
+go to https://overpass-turbo.eu/. Once you have navigated to Overpass API, enter
+the Overpass query below in the left field, but swap 'lakeName' out
+with the name of the lake you want to add. Once the query has been adjusted,
+press the 'Run' button.
+
+```
+[out:json];
+(
+  way["natural"="water"]["name"="lakeName"];
+  relation["natural"="water"]["name"="lakeName"];
+);
+(._;>;);
+out body;
+```
+If a text box saying "This query returned quite a lot of data (approx. x MB). Your browser may have a hard time trying to render this. Do you really want to continue?
+" appears, press 'continue anyway'. Double check that you have
+the correct lake, then press 'Export'. In the 'Export' menu, download the shape data as
+GeoJson. Once downloaded, name the file the *lakeName.json, and move the file into
+IceMap/server/lake_relations. Once you have added the file, run map division...
+
 ## Endpoints
 
 ## Bugs

server/lake_relations/overpass_query.txt

-The following query is used to retrieve the relation(shape) of a lake.
-Go to https://overpass-turbo.eu/#, enter the query in the left field, add
-the name of the lake you want to add, and press 'run'.
-If a text box saying "" appears, press 'continue anyways'. Double check that you have
-the correct lake, then press 'Export'. In the 'Export' menu, download the shape data as
-GeoJson. Once downloaded, name the file the *lakeName.json, and move the file into
-IceMap/server/lake_relations. Once you have added the file, run map division...
-
 [out:json];
 (
   way["natural"="water"]["name"="lakeName"];