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[polygons] using try/except in polygons

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Al
2016-11-17 17:38:54 -05:00
parent d701bb1320
commit 71d535e845
1 changed files with 12 additions and 4 deletions
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16
scripts/geodata/polygons/index.py
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@@ -168,10 +168,18 @@ class PolygonIndex(object):
holes = [(lon + 360.0 if lon < 0 else lon, lat) for lon, lat in holes]
poly = Polygon(coords, holes)
if cls.fix_invalid_polygons and not poly.is_valid and not poly.contains(poly.centroid):
poly_fix = cls.fix_polygon(poly)
if poly_fix is not None and poly_fix.bounds and len(poly_fix.bounds) == 4 and poly_fix.is_valid and (poly_fix.contains(poly.centroid) or poly_fix.contains(poly_fix.representative_point())):
poly = poly_fix
try:
invalid = cls.fix_invalid_polygons and not poly.is_valid and not poly.contains(poly.centroid)
except Exception:
invalid = True
if invalid:
try:
poly_fix = cls.fix_polygon(poly)
if poly_fix is not None and poly_fix.bounds and len(poly_fix.bounds) == 4 and poly_fix.is_valid and (poly_fix.contains(poly.centroid) or poly_fix.contains(poly_fix.representative_point())):
poly = poly_fix
except Exception:
poly = None
return poly