[Nominatim] Municipality not in list of 'localityFields'

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Assessment

Difficulty
1/5
Estimated time
Under an hour
Newbie friendliness
52/100
Issue type
Bug
Clarity
Clearly specified
Activity status
Stale
Tech stack
php
Domain
backend

Research direction

Start in Nominatim.php at jsonResultToLocation(), around line 209, and inspect how localityFields are used for the supplied reverse-geocoding result. Confirm that the municipality value from the Purmerend example is returned as locality, and verify the existing behavior remains correct for the other listed locality fields.

Written by the indexing model from the issue text.

Description

provider question

I came across some reverse geocoding results where Nominatim.php didn't return a 'locality'. In my opinion, this latlng query should have 'Purmerend' as its locality, as it's the municipal boundary:

https://nominatim.openstreetmap.org/ui/reverse.html?lat=52.50741&lon=4.93279&zoom=18
https://nominatim.openstreetmap.org/ui/details.html?osmtype=W&osmid=6593763&class=highway

Upon debugging, I noticed that inside jsonResultToLocation(), on line 209, 'municipality' was not considered a 'locality'.

$localityFields = ['city', 'town', 'village', 'hamlet'];

Is this a matter of definition?

Adding 'municipality' fixes my issue:

$localityFields = ['city', 'town', 'village', 'hamlet', 'municipality'];

Dominant language
PHP
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