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[#955] locode: Use the nearest polygon when continent can't be found

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Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2021-11-01 22:35:18 +03:00 committed by Alex Vanin
parent 1462824ab8
commit 45f244eb77
1 changed files with 9 additions and 1 deletions
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10
pkg/util/locode/db/continents/geojson/calls.go
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@ -31,7 +31,10 @@ func (db *DB) PointContinent(point *locodedb.Point) (*locodedb.Continent, error)
planarPoint := orb.Point{point.Longitude(), point.Latitude()}
var continent string
var (
continent string
minDst float64
)
for _, feature := range db.features {
if multiPolygon, ok := feature.Geometry.(orb.MultiPolygon); ok {
@ -45,6 +48,11 @@ func (db *DB) PointContinent(point *locodedb.Point) (*locodedb.Continent, error)
break
}
}
distance := planar.DistanceFrom(feature.Geometry, planarPoint)
if minDst == 0 || minDst > distance {
minDst = distance
continent = feature.Properties.MustString(continentProperty)
}
}
c := continentFromString(continent)