Mercurial > hg > nsaunier > traffic-intelligence

comparison trafficintelligence/traffic_engineering.py @ 1262:f10e84505443

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modif for highway level of service
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 17 Apr 2024 16:46:23 -0400
parents 3bfdb2ffd29d
children c15b9fcdbcb1
comparison
equal deleted inserted replaced
1261:28aeec1f2788 1262:f10e84505443
237 volumes = [v/(1+(etrucks-1)*p/100) for v,p in zip(volumes, hgvProportions)] 237 volumes = [v/(1+(etrucks-1)*p/100) for v,p in zip(volumes, hgvProportions)]
238 else: 238 else:
239 hgvProportions = None 239 hgvProportions = None
240 return speeds, volumes, hgvProportions 240 return speeds, volumes, hgvProportions
241 241
242 higwayMaxDensityLOS = {'A':7, 'B':11, 'C':16, 'D':22, 'E': 28}
243
242 def highwayLOS(k): 244 def highwayLOS(k):
243 'returns the highway level of service for density k in veh/km' 245 'returns the highway level of service for density k in veh/km'
244 if k>=28: return 'F' 246 for los, kmax in higwayMaxDensityLOS.items():
245 elif k>=22: return 'E' 247 if k<kmax: return los
246 elif k>=16: return 'D' 248 return 'F'
247 elif k>=11: return 'C' 249
248 elif k>=7: return 'B'
249 else: return 'A'
250
251 ######################### 250 #########################
252 # intersection 251 # intersection
253 ######################### 252 #########################
254 253
255 class FourWayIntersection(object): 254 class FourWayIntersection(object):