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fix possible error with good_representative_point

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This commit is contained in:
Laura Klünder 2017-12-21 19:02:37 +01:00
parent 5bdfe73f6e
commit cb57090f13
1 changed files with 5 additions and 1 deletions
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6
src/c3nav/mapdata/utils/geometry.py
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@ -72,7 +72,11 @@ def good_representative_point(geometry):
if isinstance(geometry, Point):
return geometry
c = geometry.centroid
x1, y1, x2, y2 = geometry.bounds
try:
x1, y1, x2, y2 = geometry.bounds
except ValueError:
# jup, this can happen
return c
lines = (tuple(assert_multilinestring(LineString(((x1, c.y), (x2, c.y))).intersection(geometry))) +
tuple(assert_multilinestring(LineString(((c.x, y1), (c.x, y2))).intersection(geometry))))
return min(lines, key=lambda line: (line.distance(c), line.length),