def findintersects(self, region: Region) -> Iterator[RegionPair]:
"""
Return an iterator over all the pairs of overlaps between the
given Region and the currently active Regions, as RegionPairs.
Args:
region: The Region to find pairs of overlaps with
currently active Regions, as RegionPairs.
Returns:
An iterator over all the pairs of overlaps between
the Region and currently active Regions.
"""
for _, active in self.actives.items():
assert active[self.dimension].lower <= region[self.dimension].lower
if region.overlaps(active):
yield (active, region)
def check_event_context(context):
assert isinstance(context, Tuple) and len(context) == 2
assert all([isinstance(r, Region) for r in context])
assert Region.overlaps(*context)
return context