Coordinate sanity check

data/coords_override.json

@@ -0,0 +1,6 @@
+{
+    "0510":{
+        "lat":48.14884,
+        "lon":11.56790
+    }
+}

data/processors/coords.py

@@ -1,7 +1,8 @@
 import copy
 import logging
-
+import json
 import utm
+from processors.public_transport import _distance_via_great_circle
 
 
 def assert_buildings_have_coords(data):
@@ -23,6 +24,12 @@ def assign_coordinates(data):
     Assign coordinates to all entries (except root) and make sure they match the data format.
     """
     # TODO: In the future we might calculate the coordinates from OSM data
+    with open("coords_override.json") as file:
+        overrides=json.load(file)
+
+    for iid, override in overrides.items():
+        override["source"]="manual_override"
+        data[iid]["coords"]=override
 
     error = False
 
@@ -118,9 +125,25 @@ def check_coords(input_data):
                 f"(UTM coordinates are either from the Roomfinder or automatically calculated).",
             )
 
+def validate_coords(input_data):
+    for iid, data in input_data.items():
+        if not data["type"] =="room":
+            continue
+        coords=data["coords"]
+        parent_coords=input_data[data["parents"][-1]]["coords"]
+
+        if coords["lat"]==parent_coords["lat"] and coords["lon"]==parent_coords["lon"]:
+            continue
+
+        distance_to_parent=_distance_via_great_circle(coords["lat"],coords["lon"],parent_coords["lat"],parent_coords["lon"])
+
+        if distance_to_parent>100:
+            logging.warn(f"{iid} {data['coords']} has a distance of {distance_to_parent}m to " +
+                  f"{data['parents'][-1]} {input_data[data['parents'][-1]]['coords']}")
 
 def add_and_check_coords(data):
     """Add coordinates to all entries and check for issues"""
     assert_buildings_have_coords(data)
     assign_coordinates(data)
     check_coords(data)
+    validate_coords(data)