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improve result cutting when a POI comes out with top importance

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Sarah Hoffmann
2025-06-01 12:00:36 +02:00
parent 90050de717
commit 87a8c246a0
1 changed files with 12 additions and 9 deletions
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21
src/nominatim_api/search/geocoder.py
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@@ -118,17 +118,20 @@ class ForwardGeocoder:
""" Remove badly matching results, sort by ranking and
limit to the configured number of results.
"""
if results:
results.sort(key=lambda r: (r.ranking, 0 if r.bbox is None else -r.bbox.area))
min_rank = results[0].rank_search
min_ranking = results[0].ranking
results = SearchResults(r for r in results
if (r.ranking + 0.03 * (r.rank_search - min_rank)
< min_ranking + 0.5))
results.sort(key=lambda r: (r.ranking, 0 if r.bbox is None else -r.bbox.area))
results = SearchResults(results[:self.limit])
final = SearchResults()
min_rank = results[0].rank_search
min_ranking = results[0].ranking
return results
for r in results:
if r.ranking + 0.03 * (r.rank_search - min_rank) < min_ranking + 0.5:
final.append(r)
min_rank = min(r.rank_search, min_rank)
if len(final) == self.limit:
break
return final
def rerank_by_query(self, query: QueryStruct, results: SearchResults) -> None:
""" Adjust the accuracy of the localized result according to how well