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cache space_buffer to improve performance

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Laura Klünder 2017-11-18 20:42:19 +01:00
parent 2d735cf7fc
commit e74bdfe614
1 changed files with 2 additions and 1 deletions
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3
src/c3nav/mapdata/models/geometry/level.py
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@ -198,9 +198,10 @@ class AltitudeArea(LevelGeometryMixin, models.Model):
# collect all stairs on this level
for space in level.spaces.all():
space_buffer = space.geometry.buffer(0.001, join_style=JOIN_STYLE.mitre)
for stair in space.stairs.all():
stairs.extend(assert_multilinestring(
stair.geometry.intersection(space.geometry.buffer(0.001, join_style=JOIN_STYLE.mitre))
stair.geometry.intersection(space_buffer)
))
# divide areas using stairs