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[addresses] Roman numerals can be returned by Floor.random, relaxing the Zipfian distribution on floors so we get higher floors

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Al
2016-06-28 19:47:23 -04:00
parent a613bdbf74
commit 5b17a3a3ce
2 changed files with 10 additions and 2 deletions
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9
scripts/geodata/addresses/floors.py
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@@ -6,6 +6,7 @@ from geodata.addresses.config import address_config
from geodata.addresses.numbering import NumberedComponent, sample_alphabet, latin_alphabet
from geodata.encoding import safe_decode
from geodata.math.sampling import weighted_choice, zipfian_distribution, cdf
from geodata.numbers.spellout import numeric_expressions
class Floor(NumberedComponent):
@@ -15,7 +16,7 @@ class Floor(NumberedComponent):
max_floors = 10
max_basements = 2
numbered_floors = range(max_floors + 1) + range(-1, -max_basements - 1, -1)
floor_probs = zipfian_distribution(len(numbered_floors), 2.0)
floor_probs = zipfian_distribution(len(numbered_floors), 0.75)
floor_probs_cdf = cdf(floor_probs)
# For use with letters e.g. A0 is probably not as common
@@ -53,6 +54,12 @@ class Floor(NumberedComponent):
if num_type == cls.NUMERIC:
return safe_decode(number)
elif num_type == cls.ROMAN_NUMERAL:
roman_numeral = numeric_expressions.roman_numeral(number)
if roman_numeral is not None:
return roman_numeral
else:
return safe_decode(number)
else:
alphabet = address_config.get_property('alphabet', language, country=country, default=latin_alphabet)
letter = sample_alphabet(alphabet)

3
scripts/geodata/addresses/numbering.py
View File

@@ -117,6 +117,7 @@ class NumberedComponent(object):
ALPHA = 'alpha'
ALPHA_PLUS_NUMERIC = 'alpha_plus_numeric'
NUMERIC_PLUS_ALPHA = 'numeric_plus_alpha'
ROMAN_NUMERAL = 'roman_numeral'
@classmethod
def choose_alphanumeric_type(cls, key, language, country=None):
@@ -127,7 +128,7 @@ class NumberedComponent(object):
values = []
probs = []
for num_type in (cls.NUMERIC, cls.ALPHA, cls.ALPHA_PLUS_NUMERIC, cls.NUMERIC_PLUS_ALPHA):
for num_type in (cls.NUMERIC, cls.ALPHA, cls.ALPHA_PLUS_NUMERIC, cls.NUMERIC_PLUS_ALPHA, cls.ROMAN_NUMERAL):
key = '{}_probability'.format(num_type)
prob = alphanumeric_props.get(key)
if prob is not None: