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fix graph building error if only one stair is present on a level

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Laura Klünder 2016-12-08 21:13:57 +01:00
parent 1ed107ba4b
commit 06aec21669
1 changed files with 1 additions and 1 deletions
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2
src/c3nav/routing/room.py
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@ -33,7 +33,7 @@ class GraphRoom():
def prepare_build(self): def prepare_build(self):
self.mpl_clear = shapely_to_mpl(self.clear_geometry.buffer(0.01, join_style=JOIN_STYLE.mitre)) self.mpl_clear = shapely_to_mpl(self.clear_geometry.buffer(0.01, join_style=JOIN_STYLE.mitre))
self.mpl_stairs = () self.mpl_stairs = ()
for stair_line in self.level.level.geometries.stairs: for stair_line in assert_multilinestring(self.level.level.geometries.stairs):
coords = tuple(stair_line.coords) coords = tuple(stair_line.coords)
self.mpl_stairs += tuple((Path(part), coord_angle(*part)) for part in zip(coords[:-1], coords[1:])) self.mpl_stairs += tuple((Path(part), coord_angle(*part)) for part in zip(coords[:-1], coords[1:]))