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splitting areas does not imply splitting their connections

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Laura Klünder 2017-08-05 16:15:28 +02:00
parent 451a863026
commit 7179039925
1 changed files with 9 additions and 4 deletions
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13
src/c3nav/mapdata/models/geometry/level.py
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@ -161,15 +161,20 @@ class AltitudeArea(LevelGeometryMixin, models.Model):
# update area connections
buffer_area = area.geometry.buffer(0.0005, join_style=JOIN_STYLE.mitre)
new_area_connected_to = []
buffer_new_area = new_area.geometry.buffer(0.0005, join_style=JOIN_STYLE.mitre)
remove_area_connected_to = []
for other_area in area.connected_to:
if not buffer_area.intersects(other_area.geometry):
new_area_connected_to.append(other_area)
new_area.connected_to.append(other_area)
remove_area_connected_to.append(other_area)
other_area.connected_to.remove(area)
other_area.connected_to.append(new_area)
for other_area in new_area_connected_to:
elif other_area != new_area and buffer_new_area.intersects(other_area.geometry):
new_area.connected_to.append(other_area)
other_area.connected_to.append(new_area)
for other_area in remove_area_connected_to:
area.connected_to.remove(other_area)
new_area.connected_to.extend(new_area_connected_to)
break
else:
raise ValueError