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Cap all roads in the Python experiment. Right now, this'll unintentionally merge adjacent zones with the same cap into zones.

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This commit is contained in:
Dustin Carlino 2020-10-01 15:13:18 -07:00
parent c2ef091fb4
commit f951b296f7
1 changed files with 38 additions and 9 deletions
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47
headless/examples/cap_experiment.py
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@ -24,6 +24,7 @@ def main():
parser.add_argument('--hours', type=int, default=24) parser.add_argument('--hours', type=int, default=24)
parser.add_argument('--cap_pct', type=int, default=80) parser.add_argument('--cap_pct', type=int, default=80)
parser.add_argument('--rounds', type=int, default=10) parser.add_argument('--rounds', type=int, default=10)
parser.add_argument('--cap_all_roads', type=bool, default=True)
args = parser.parse_args() args = parser.parse_args()
print('Simulating {} hours of data/system/scenarios/{}/weekday.bin'.format(args.hours, args.map_name)) print('Simulating {} hours of data/system/scenarios/{}/weekday.bin'.format(args.hours, args.map_name))
@ -32,20 +33,27 @@ def main():
for _ in range(args.rounds): for _ in range(args.rounds):
print('') print('')
print('{} roads have a {}% cap'.format( print('{} roads have a cap'.format(len(edits['commands'])))
len(edits['commands']), args.cap_pct))
experiment = abst_helpers.run_sim(args, edits=edits) experiment = abst_helpers.run_sim(args, edits=edits)
baseline.compare(experiment) baseline.compare(experiment)
print('{:,} trips changed due to the caps'.format( print('{:,} trips changed due to the caps'.format(
len(experiment.capped_trips))) len(experiment.capped_trips)))
# Cap the busiest road if args.cap_all_roads:
busiest_road, thruput = find_busiest_road(args) edits['commands'] = cap_all_roads(args)
cmd = get(args, '/map/get-edit-road-command', else:
params={'id': busiest_road}).json() # Cap the busiest road
cmd['ChangeRoad']['new']['access_restrictions']['cap_vehicles_per_hour'] = int( busiest_road, thruput = find_busiest_road(args)
(args.cap_pct / 100.0) * thruput) cmd = get(args, '/map/get-edit-road-command',
edits['commands'].append(cmd) params={'id': busiest_road}).json()
cmd['ChangeRoad']['new']['access_restrictions']['cap_vehicles_per_hour'] = int(
(args.cap_pct / 100.0) * thruput)
edits['commands'].append(cmd)
# Write the final edits
f = open('cap_edits.json', 'w')
f.write(get(args, '/map/get-edits').text)
f.close()
# Find the road with the most car traffic in any one hour period # Find the road with the most car traffic in any one hour period
@ -64,5 +72,26 @@ def find_busiest_road(args):
return (max_key[0], max_value) return (max_key[0], max_value)
# Cap all roads to some percent of their max throughput over any one hour period
def cap_all_roads(args):
thruput = get(
args, '/data/get-road-thruput').json()['counts']
max_per_road = {}
for r, agent, hr, count in thruput:
if agent == 'Car':
if r not in max_per_road or count > max_per_road[r]:
max_per_road[r] = count
commands = []
for r, count in max_per_road.items():
cap = int((args.cap_pct / 100.0) * count)
# Don't go too low
if cap > 10:
cmd = get(args, '/map/get-edit-road-command',
params={'id': r}).json()
cmd['ChangeRoad']['new']['access_restrictions']['cap_vehicles_per_hour'] = cap
commands.append(cmd)
return commands
if __name__ == '__main__': if __name__ == '__main__':
main() main()