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ignore empty altitude areas

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This commit is contained in:
Laura Klünder 2017-12-21 19:09:17 +01:00
parent cb57090f13
commit 7a02f58175
2 changed files with 5 additions and 5 deletions
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4
src/c3nav/routing/router.py
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@ -119,7 +119,11 @@ class Router:
if not space.geometry_prep.intersects(area.geometry):
continue
for subgeom in assert_multipolygon(accessible_geom.intersection(area.geometry)):
if subgeom.is_empty:
continue
area_clear_geom = unary_union(tuple(get_rings(subgeom.difference(obstacles_geom))))
if area_clear_geom.is_empty:
continue
area = RouterAltitudeArea(subgeom, area_clear_geom,
area.altitude, area.altitude2, area.point1, area.point2)
area_nodes = tuple(node for node in space_nodes if area.geometry_prep.intersects(node.point))