def modify_workplace_accessibility(self):
study_zone = 908
# set workplace accessibility for the preferered zone and other zones
min_wpa = '3.0' # time in minutes
max_wpa = '15.0' # travel const in ???
logger.log_status("Zone ID study zone = %s" %study_zone)
in_file = open(self.workplace_accessibility_destination, 'r')
str_list = []
# read header of travel data to get the indices of the colums (from_zone, to_zone, single_vehicle_travel_time)
line = in_file.readline()
# init indices
get_indices = GetIndices(line)
index_zone_id = get_indices.get_zone_id_index()
index_wpa = get_indices.get_workplace_asseccibility_index()
number_of_colums = get_indices.get_number_of_colums()
# prepare header line for the output file
row = line.split(',')
str_list.append( row[index_zone_id].strip('\r\n') +','+ row[index_wpa].strip('\r\n') +'\r\n')
# get first line of the table content
line = in_file.readline()
# replaces the travel times as decribed above...
while line:
row = line.split(',')
# consistency check
if len(row) != number_of_colums:
raise StandardError('Error in number of colums: %s' %row)
zone_id = int(row[index_zone_id].strip('\r\n'))
if zone_id == study_zone:
row[index_wpa] = max_wpa
else:
row[index_wpa] = min_wpa
# append modified row to the new travel data content
str_list.append( row[index_zone_id].strip('\r\n') +','+ row[index_wpa].strip('\r\n') +'\r\n')
line = in_file.readline()
# finished modifying traval data
in_file.close()
# now write new travel data onto disc
out_file = open(self.workplace_accessibility_destination, 'w')
logger.log_status("Copying modified travel data onto disc.")
for row in str_list:
out_file.write(row)
out_file.close();
logger.log_status("Finished copy process.")
def modify_travel_data(self):
""" Modifies the travel times and costs between cbd and study zone 909
@old version
Modifies the travel times from zone to zone.
For zone 20 the travel times to all other zones is set to min_travel_time.
For all other zones the trvel time will be set on 31min if the origin travel time
is less than 30min, otherwise it's not modified.
"""
# using default cbd
cbd = 129
# set the preferred zone
study_zone = 908
# set travel times for the preferered zone and other zones
min_travel_time = '0.40' # time in minutes
min_travel_cost = '3.47' # travel const in ???
logger.log_status("Set the following travel time and cost between cbd and study zone:")
logger.log_status("Zone ID cbd = %s" %cbd)
logger.log_status("Zone ID study zone = %s" %study_zone)
logger.log_status("Travel time = %s" %min_travel_time)
logger.log_status("Travel cost = %s" %min_travel_cost)
travel_data = paths.get_opus_home_path( "opus_matsim", "tmp", "travel_data.csv" )
if not self.travel_data_exsists(travel_data):
raise StandardError('Travel data not found! %s' % travel_data)
in_file = open(travel_data, 'r')
str_list = []
# read header of travel data to get the indices of the colums (from_zone, to_zone, single_vehicle_travel_time)
line = in_file.readline()
# init indices
get_indices = GetIndices(line)
index_from_zone = get_indices.get_from_zone_index()
index_to_zone = get_indices.get_to_zone_index()
index_travel_times = get_indices.get_am_single_vehicle_to_work_travel_time_index()
index_travel_costs = get_indices.get_single_vehicle_to_work_travel_cost_index()
number_of_colums = get_indices.get_number_of_colums()
# prepare header line for the output file
row = line.split(',')
str_list.append( row[index_from_zone].strip('\r\n') +','+ row[index_to_zone].strip('\r\n') +','+ row[index_travel_times].strip('\r\n') + ',' + row[index_travel_costs].strip('\r\n') +'\r\n')
# get first line of the table content
line = in_file.readline()
# replaces the travel times as decribed above...
while line:
row = line.split(',')
# consistency check
if len(row) != number_of_colums:
raise StandardError('Error in number of colums: %s' %row)
from_zone_id = int(row[index_from_zone].strip('\r\n'))
to_zone_id = int(row[index_to_zone].strip('\r\n'))
# just sets the travel time and cost from cbd2studyzone and
# from stuyzone2cbd to the defined values above
if (from_zone_id == cbd and to_zone_id == study_zone):
row[index_travel_times] = min_travel_time
row[index_travel_costs] = min_travel_cost
elif (from_zone_id == study_zone and to_zone_id == cbd):
row[index_travel_times] = min_travel_time
row[index_travel_costs] = min_travel_cost
# append modified row to the new travel data content
str_list.append( row[index_from_zone].strip('\r\n') +','+ row[index_to_zone].strip('\r\n') +','+ row[index_travel_times].strip('\r\n') + ',' + row[index_travel_costs].strip('\r\n') +'\r\n')
line = in_file.readline()
# finished modifying traval data
in_file.close()
# now write new travel data onto disc
out_file = open(travel_data, 'w')
logger.log_status("Copying modified travel data onto disc.")
for row in str_list:
out_file.write(row)
out_file.close();
logger.log_status("Finished copy process.")