def _reify_parcels_and_update_parcel_listing(self, ew, ns, size_of_parcel):
"""Instantiate new Block objects and update the listing of blocks."""
for i in xrange(size_of_parcel+1):
insert_once(
self._parcels_listing, (ew, ns+i, 'NS'),
Parcel(
self.id_counters[1], self._north_south_streets[(ew, ns)], (i+ns) * 100, (ew, ns+i)
)
)
self.id_counters[1] += 1
insert_once(
self._parcels_listing, (ew+i, ns, 'EW'),
Parcel(
self.id_counters[1], self._east_west_streets[(ew, ns)], (i+ew) * 100, (ew+i, ns)
)
)
self.id_counters[1] += 1
insert_once(
self._parcels_listing, (ew+size_of_parcel, ns+i, 'NS'),
Parcel(
self.id_counters[1], self._north_south_streets[(ew+size_of_parcel, ns)],
(i+ns) * 100, (ew+size_of_parcel, ns+i)
)
)
self.id_counters[1] += 1
insert_once(
self._parcels_listing, (ew+i, ns+size_of_parcel, 'EW'),
Parcel(
self.id_counters[1], self._east_west_streets[(ew, ns+size_of_parcel)],
(i+ew) * 100, (ew+i, ns+size_of_parcel)
)
)
self.id_counters[1] += 1
def _update_house_numbering_listing_for_new_parcel(self, ew, ns, size_of_parcel):
"""Update the listing of house numberings for each block for the newly instantiated blocks."""
for i in xrange(size_of_parcel+1):
insert_once(
self._house_numberings, (ew + size_of_parcel, ns+i, 'W'),
Parcel.determine_house_numbering((i + ns) * 100, 'W')
)
insert_once(
self._house_numberings, (ew+i, ns, 'N'),
Parcel.determine_house_numbering((i + ew) * 100, 'N')
)
insert_once(
self._house_numberings, (ew, ns+i, 'E'),
Parcel.determine_house_numbering((i + ns) * 100, 'E')
)
insert_once(
self._house_numberings, (ew+i, ns + size_of_parcel, 'S'),
Parcel.determine_house_numbering((i + ew) * 100, 'S')
)