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fix(geo): parcels (thematic_id=1) come from rosreestr2coord in WGS84 — drop ST_Transform

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lekss361 2026-05-11 20:09:58 +03:00
parent 81cd7499f6
commit d08d06d8a8
1 changed files with 8 additions and 2 deletions
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10
backend/app/workers/tasks/nspd_geo.py
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@ -208,7 +208,13 @@ def _save_building(db: Session, payload: dict, cad_num: str) -> int:
def _save_parcel(db: Session, payload: dict, cad_num: str) -> int:
"""Парсит NSPD-response для земельного участка и UPSERT'ит в cad_parcels_geom."""
"""Парсит NSPD-response для земельного участка и UPSERT'ит в cad_parcels_geom.
NB: rosreestr2coord для area_type=1 (parcel) отдаёт GeoJSON уже в WGS84
(EPSG:4326, degrees). Просто ST_SetSRID — без ST_Transform, иначе геометрия
сжимается до точки в районе (0,0) на острове Null. Quarters/buildings —
другой path, у них Mercator (3857) и нужен ST_Transform.
"""
feats = (payload.get("data") or {}).get("features") or []
if not feats:
return 0
@ -220,7 +226,7 @@ def _save_parcel(db: Session, payload: dict, cad_num: str) -> int:
text(
"""
INSERT INTO cad_parcels_geom (cad_num, geom, raw_props, fetched_at)
VALUES (:cad, ST_Transform(ST_SetSRID(ST_GeomFromGeoJSON(:g), 3857), 4326),
VALUES (:cad, ST_SetSRID(ST_GeomFromGeoJSON(:g), 4326),
CAST(:props AS jsonb), NOW())
ON CONFLICT (cad_num) DO UPDATE
SET geom = EXCLUDED.geom,