def write_dataset(self, dataset, attributes, out_storage):
with block("Exporting %s dataset" % dataset.get_dataset_name()):
if isinstance(out_storage, csv_storage):
data = {}
for attr in attributes:
data[VariableName(attr).get_alias()] = dataset[attr]
dataframe = DataFrame(data)
output_loc = out_storage.get_storage_location()
if not os.path.exists(output_loc):
os.makedirs(output_loc)
filename = dataset.out_table_name_default + '.csv'
filepath = os.path.join(output_loc, filename)
logger.log_status("export to %s" % filepath)
dataframe.to_csv(filepath, cols=data.keys(), index=False)
else:
dataset.write_dataset(attributes=attributes,
out_storage=out_storage)
def import_travel_model_data(config, year):
cache_directory = config['cache_directory']
simulation_state = SimulationState()
simulation_state.set_current_time(year)
simulation_state.set_cache_directory(cache_directory)
out_store = AttributeCache().get_flt_storage_for_year(year+1)
out_store_loc = out_store.get_storage_location()
tm_config = config['travel_model_configuration']
data_to_import = tm_config['tm_to_urbansim_variable_mapping']
base_dir = mtc_common.tm_get_base_dir(config)
data_dir = tm_config[year]['data_dir']
for dataset_name, skim_file in data_to_import.iteritems():
skim_file = os.path.join(base_dir, data_dir, skim_file)
data = read_csv(skim_file, header=0)
with block("Caching {} to {}".format(dataset_name, out_store_loc)):
logger.log_status("Source file {}".format(skim_file))
opus_ds = to_opus_dataset(data, out_store, dataset_name)
from pandas import DataFrame
df = {}
for attr in opus_dataset.get_known_attribute_names():
df[attr] = opus_dataset[attr]
df = DataFrame(df)
return df
units_df = {}
bldg_df = {}
for attr in units.get_known_attribute_names():
units_df[attr] = units[attr]
for attr in bldg.get_known_attribute_names():
bldg_df[attr] = bldg[attr]
with block('opus join'):
results_opus = units.compute_variables('residential_unit.disaggregate(building.building_type_id)',
dataset_pool=dataset_pool)
units_df = DataFrame(units_df)
bldg_df = DataFrame(bldg_df)
with block('pandas join without index'):
units_merged1 = merge(units_df, bldg_df[['building_id', 'building_type_id']],
on='building_id', sort=False, how='left')
results_df1 = units_merged1['building_type_id']
results_df1.fillna(value=-1, inplace=True)
bldg_df.set_index('building_id', inplace=True)
with block('pandas join with index'):
units_merged2 = units_df.join(bldg_df['building_type_id'], on='building_id', how='left')
results_df2 = units_merged2['building_type_id']
def run(self, year=None, years_to_run=[], configuration=None):
if year not in years_to_run or self.data_to_export == None:
return
cache_directory = configuration['cache_directory']
simulation_state = SimulationState()
simulation_state.set_cache_directory(cache_directory)
simulation_state.set_current_time(year)
attribute_cache = AttributeCache()
package_order=configuration['dataset_pool_configuration'].package_order
dataset_pool = SessionConfiguration(new_instance=True,
package_order=package_order,
in_storage=attribute_cache
).get_dataset_pool()
out_dir = os.path.join(cache_directory, "mtc_data")
out_storage = csv_storage(storage_location=out_dir)
# Adjust the age distribution per ABAG/MTC's specifications
age_control_dir = os.path.join(paths.OPUS_DATA_PATH, configuration['project_name'], "ageControl")
age_control_storage = csv_storage(storage_location=age_control_dir)
age_control_files = os.listdir(age_control_dir)
years = np.array(map(lambda x:
int(os.path.basename(x).replace("tazData", "").replace(".csv", "")),
glob.glob(os.path.join(age_control_dir, "tazData*.csv"))))
closest_year = years[np.argmin(np.abs(years - [year]*len(years)))]
if closest_year != year:
logger.log_warning("Could not find age control data for " + str(year) +
". Choosing nearest year " + str(closest_year) + ".")
age_control_table = age_control_storage.load_table("tazData" + str(closest_year), lowercase=False)
# Calculate the ABAG shares of person by age
age_categories = ['AGE0004', 'AGE0519', 'AGE2044', 'AGE4564', 'AGE65P']
age_category_sums = dict((k, age_control_table[k].sum()) for k in age_categories)
total = sum(age_category_sums.values())
abag_age_category_shares = dict((k, age_category_sums[k]/total) for k in age_categories)
for data_fname, variable_mapping in self.data_to_export.iteritems():
if not flip_urbansim_to_tm_variable_mappling:
col_names = variable_mapping.values()
variables_aliases = ["=".join(mapping[::-1]) for mapping in \
variable_mapping.iteritems()]
else:
col_names = variable_mapping.keys()
variables_aliases = ["=".join(mapping) for mapping in \
variable_mapping.iteritems()]
dataset_name = VariableName(variables_aliases[0]).get_dataset_name()
dataset = dataset_pool.get_dataset(dataset_name)
dataset.compute_variables(variables_aliases)
if data_fname == "ABAGData":
logger.log_status("Adjusting ABAGData to match age controls")
age_category_sums = dict((k, dataset[k].sum()) for k in age_categories)
total = sum(age_category_sums.values())
us_age_category_shares = dict((k, age_category_sums[k]/total) for k in age_categories)
adjustments = dict((k, abag_age_category_shares[k]/us_age_category_shares[k]) for k in age_categories)
diff = np.zeros(dataset.n)
for k in age_categories:
before = dataset[k]
dataset[k] = np.array(map(lambda v : round(v*adjustments[k]), dataset.get_attribute(k)))
diff += (dataset[k] - before)
dataset["TOTPOP"] += diff
dataset["HHPOP"] += diff
logger.log_status("NOTE: Adjusted total population by %d (%2.3f%%) due to rounding error." %
(int(diff.sum()), diff.sum()*100/total))
org_fname = os.path.join(out_dir, "%s.computed.csv" % data_fname)
new_fname = os.path.join(out_dir, "%s%s.csv" % (year,data_fname))
block_msg = "Writing {} for travel model to {}".format(data_fname,
new_fname)
with block(block_msg):
dataset.write_dataset(attributes=col_names,
out_storage=out_storage,
out_table_name=data_fname)
#rename & process header
shutil.move(org_fname, new_fname)
os.system("sed 's/:[a-z][0-9]//g' -i %s" % new_fname)
