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rendermap: add hole shadows

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This commit is contained in:
Laura Klünder 2016-12-04 18:14:36 +01:00
parent 655897fef1
commit 6e1c33e59a
2 changed files with 15 additions and 1 deletions
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9
src/c3nav/mapdata/models/level.py
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@ -176,3 +176,12 @@ class LevelGeometries():
if to_level is not None:
shadows = shadows.intersection(to_level.geometries.accessible)
return shadows
def hole_shadows(self):
holes = self.holes.buffer(0.1, join_style=JOIN_STYLE.mitre)
shadows = holes.difference(self.holes.buffer(-0.3, join_style=JOIN_STYLE.mitre))
qs = self.level.levelconnectors.prefetch_related('levels').filter(levels__altitude__lt=self.level.altitude)
print(self.level.name, qs)
connectors = cascaded_union([levelconnector.geometry for levelconnector in qs])
shadows = shadows.difference(connectors.buffer(0.3, join_style=JOIN_STYLE.mitre))
return shadows