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broadcast-areas: apply buffer to areas

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Signed-off-by: Toby Lorne <toby.lornewelch-richards@digital.cabinet-office.gov.uk>
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Toby Lorne
2020-07-30 10:38:17 +01:00
parent 22cf63a440
commit 0ae8ef650f
1 changed files with 2 additions and 1 deletions
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notifications_utils/broadcast_areas/create-broadcast-areas-db.py
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@@ -21,8 +21,9 @@ def simplify_polygon(series):
num_polys = len(polygon) num_polys = len(polygon)
while True: while True:
simplified_polygon = sgeom.LineString(polygon) simplified_polygon = sgeom.LineString(polygon)
simplified_polygon = simplified_polygon.buffer(simplify_degrees)
simplified_polygon = simplified_polygon.simplify(simplify_degrees) simplified_polygon = simplified_polygon.simplify(simplify_degrees)
simplified_polygon = [[c[0], c[1]] for c in simplified_polygon.coords] simplified_polygon = [[c[0], c[1]] for c in simplified_polygon.exterior.coords]
num_polys = len(simplified_polygon) num_polys = len(simplified_polygon)
simplify_degrees *= 1.5 simplify_degrees *= 1.5