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fix error if there is exactly one lineobstacle on a level

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This commit is contained in:
Laura Klünder 2016-12-19 18:06:50 +01:00
parent df1c47bbfe
commit 69d6d16d1b
1 changed files with 2 additions and 2 deletions
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4
src/c3nav/mapdata/models/level.py
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@ -5,7 +5,7 @@ from shapely.geometry import CAP_STYLE, JOIN_STYLE
from shapely.ops import cascaded_union
from c3nav.mapdata.models.base import MapItem
from c3nav.mapdata.utils.geometry import assert_multilinestring
from c3nav.mapdata.utils.geometry import assert_multilinestring, assert_multipolygon
class Level(MapItem):
@ -144,7 +144,7 @@ class LevelGeometries():
for level_name, obstacles in obstacles_by_crop_to_level.items():
obstacles = cascaded_union(obstacles).intersection(levels_by_name[level_name].geometries.mapped)
all_obstacles.append(obstacles)
all_obstacles.extend(self.lineobstacles)
all_obstacles.extend(assert_multipolygon(self.lineobstacles))
return cascaded_union(all_obstacles).intersection(self.mapped)