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randomActivityGen.py
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randomActivityGen.py
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"""Usage:
randomActivityGen.py --net-file=FILE --stat-file=FILE --output-file=FILE [--centre.pos=args]
[--centre.pop-weight=F] [--centre.work-weight=F] [--gates.count=N] [--schools.stepsize=F] [--schools.open=args]
[--schools.close=args] [--primary-school.begin-age=args] [--primary-school.end-age=args] [--primary-school.count=N]
[--primary-school.ratio=F] [--primary-school.capacity=args] [--high-school.begin-age=args]
[--high-school.end-age=args] [--high-school.count=N] [--high-school.ratio=F] [--high-school.capacity=args]
[--college.begin-age=args] [--college.end-age=args] [--college.count=N] [--college.ratio=F]
[--college.capacity=args] [--bus-stop] [--bus-stop.distance=N] [--bus-stop.k=N] [--display] [--display.size=N]
[--seed=S | --random] ([--quiet] | [--verbose] | [--log-level=LEVEL]) [--log-file=FILENAME]
randomActivityGen.py --net-file=FILE --stat-file=FILE [--output-file=FILE] --display-only
Input Options:
-n, --net-file FILE Input road network file to create activity for
-s, --stat-file FILE Input statistics file to modify
Output Options:
-o, --output-file FILE Write modified statistics to FILE
Other Options:
--centre.pos=args The coordinates for the city's centre, e.g. "300,500" or "auto". [default: auto]
--centre.pop-weight=F The increase in population near the city center. [default: 0.5]
--centre.work-weight=F The increase in work places near the city center. [default: 0.1]
--gates.count=N Number of city gates in the city. [default: auto]
--schools.stepsize=F Step size in opening/closing hours, in parts of an hour, e.g 0.25 is every 15 mins. [default: 0.25]
--schools.open=args The interval at which the schools opens (24h clock). [default: 7,10]
--schools.close=args The interval at which the schools closes (24h clock). [default: 13,17]
--primary-school.count=N Number of schools in the city, if not used, number of schools is based on population. [default: auto]
--primary-school.ratio=F Number of schools per 1000 inhabitants. [default: 0.2]
--primary-school.begin-age=args The range of ages at which students start going to school. [default: 6,14]
--primary-school.end-age=args The range of ages at which students stops going to school. [default: 12,16]
--primary-school.capacity=args The range for capacity in schools. [default: 100,500]
--high-school.count=N Number of schools in the city, if not used, number of schools is based on population. [default: auto]
--high-school.ratio=F Number of schools per 1000 inhabitants. [default: 0.04]
--high-school.begin-age=args The range of ages at which students start going to school. [default: 15,18]
--high-school.end-age=args The range of ages at which students stops going to school. [default: 18,23]
--high-school.capacity=args The range for capacity in schools. [default: 500,1000]
--college.count=N Number of schools in the city, if not used, number of schools is based on population. [default: auto]
--college.ratio=F Number of schools per 1000 inhabitants. [default: 0.015]
--college.begin-age=args The range of ages at which students start going to school. [default: 19,25]
--college.end-age=args The range of ages at which students stops going to school. [default: 24,29]
--college.capacity=args The range for capacity in schools. [default: 1000,2000]
--bus-stop Do experimental bus-stop generation
--bus-stop.distance=N Minimum distance between bus stops. [default: 500]
--bus-stop.k=N Placement attempts in the poisson-disc algorithm. [default: 10]
--display Display an image of city elements and the noise used to generate them when done.
--display.size=N Set max width and height of image to display to N. [default: 800]
--display-only Display an image of city elements from existing statistics file. If given uses --stat-file for input.
--verbose Set log-level to DEBUG
--quiet Set log-level to ERROR
--log-level=LEVEL Set log-level {DEBUG, INFO, WARN, ERROR, CRITICAL}. [default: INFO]
--log-file=FILENAME Set log filename. [default: randomActivityGen-log.txt]
--seed S Initialises the random number generator with the given value S. [default: 31415]
--random Initialises the random number generator with the current system time. [default: false]
-h, --help Show this screen.
--version Show version.
"""
import logging
import os
import random
import sys
import xml.etree.ElementTree as ET
from docopt import docopt
from bus import setup_bus_stops
from gates import setup_city_gates
from perlin import setup_streets, NoiseSampler
from render import display_network
from school import setup_schools
from utility import find_city_centre, verify_stats, setup_logging, radius_of_network
if 'SUMO_HOME' in os.environ:
tools = os.path.join(os.environ['SUMO_HOME'], 'tools')
sys.path.append(tools)
else:
sys.exit("Please declare environment variable 'SUMO_HOME' to use sumolib")
import sumolib
def main():
args = docopt(__doc__, version="RandomActivityGen v0.1")
setup_logging(args)
# Parse random and seed arguments
if not args["--random"]:
random.seed(args["--seed"])
pop_offset = 65_536 * random.random()
work_offset = 65_536 * random.random()
while pop_offset == work_offset:
work_offset = 65_536 * random.random()
logging.debug(f"[main] Using pop_offset: {pop_offset}, work_offset: {work_offset}")
# Read SUMO network
logging.debug(f"[main] Reading network from: {args['--net-file']}")
net = sumolib.net.readNet(args["--net-file"])
# Parse statistics configuration
logging.debug(f"[main] Parsing stat file: {args['--stat-file']}")
stats = ET.parse(args["--stat-file"])
verify_stats(stats)
max_display_size = int(args["--display.size"])
centre = find_city_centre(net) if args["--centre.pos"] == "auto" else tuple(map(int, args["--centre.pos"].split(",")))
radius = radius_of_network(net, centre)
# If display-only, load stat-file as input and exit after rendering
if args["--display-only"]:
# Try the output file first, as, if given, it contains a computed statistics file, otherwise try the input
stats = ET.parse(args["--output-file"] or args["--stat-file"])
logging.debug(f"[main] Displaying network as image of max size {max_display_size}x{max_display_size}")
display_network(net, stats, max_display_size, centre, args["--net-file"])
exit(0)
# Prepare noise sampling
pop_noise = NoiseSampler(centre, float(args['--centre.pop-weight']), radius, pop_offset)
work_noise = NoiseSampler(centre, float(args['--centre.work-weight']), radius, work_offset)
logging.debug(f"[main] Using centre: {centre}, "
f"radius: {radius}, "
f"centre.pop-weight: {float(args['--centre.pop-weight'])}, "
f"centre.work-weight: {float(args['--centre.work-weight'])}")
# Insert streets, gates, and schools
logging.info("[main] Setting up streets with population and workplaces")
setup_streets(net, stats, pop_noise, work_noise)
logging.debug(f"[main] Setting up city gates")
setup_city_gates(net, stats, args["--gates.count"], radius)
logging.info("[main] Setting up schools")
setup_schools(args, net, stats, pop_noise)
if args["--bus-stop"]:
logging.debug(f"[main] Setting up bus-stops")
setup_bus_stops(net, stats, int(args["--bus-stop.distance"]), int(args["--bus-stop.k"]))
# Write statistics back
logging.debug(f"[main] Writing statistics file to {args['--output-file']}")
stats.write(args["--output-file"])
if args["--display"]:
logging.debug(f"[main] Displaying network as image of max size {max_display_size}x{max_display_size}")
display_network(net, stats, max_display_size, centre, args["--net-file"])
if __name__ == "__main__":
main()