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comparison python/events.py @ 613:306db0f3c7a2

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move 4 functions from trajLearning file
author MohamedGomaa
date Thu, 04 Dec 2014 19:07:55 -0500
parents 0dc36203973d
children dc2d0a0d7fe1
comparison
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612:6ee8765bb8db 613:306db0f3c7a2
7 7
8 import multiprocessing 8 import multiprocessing
9 import itertools 9 import itertools
10 10
11 import moving, prediction, indicators, utils 11 import moving, prediction, indicators, utils
12 import trajLearning
13 __metaclass__ = type 12 __metaclass__ = type
13
14 def findRoute(prototypes,objects,i,j,noiseEntryNums,noiseExitNums,minSimilarity= 0.3, spatialThreshold=1.0, delta=180):
15 if i[0] not in noiseEntryNums:
16 prototypesRoutes= [ x for x in sorted(prototypes.keys()) if i[0]==x[0]]
17 elif i[1] not in noiseExitNums:
18 prototypesRoutes=[ x for x in sorted(prototypes.keys()) if i[1]==x[1]]
19 else:
20 prototypesRoutes=[x for x in sorted(prototypes.keys())]
21 routeSim={}
22 lcss = utils.LCSS(similarityFunc=lambda x,y: (distanceForLCSS(x,y) <= spatialThreshold),delta=delta)
23 for y in prototypesRoutes:
24 if y in prototypes.keys():
25 prototypesIDs=prototypes[y]
26 similarity=[]
27 for x in prototypesIDs:
28 s=lcss.computeNormalized(objects[j].positions, objects[x].positions)
29 similarity.append(s)
30 routeSim[y]=max(similarity)
31 route=max(routeSim, key=routeSim.get)
32 if routeSim[route]>=minSimilarity:
33 return route
34 else:
35 return i
14 36
15 def getRoute(obj,prototypes,objects,noiseEntryNums,noiseExitNums,useDestination=True): 37 def getRoute(obj,prototypes,objects,noiseEntryNums,noiseExitNums,useDestination=True):
16 route=(obj.startRouteID,obj.endRouteID) 38 route=(obj.startRouteID,obj.endRouteID)
17 if useDestination: 39 if useDestination:
18 if route not in prototypes.keys(): 40 if route not in prototypes.keys():
19 route= trajLearning.findRoute(prototypes,objects,route,obj.getNum(),noiseEntryNums,noiseExitNums) 41 route= findRoute(prototypes,objects,route,obj.getNum(),noiseEntryNums,noiseExitNums)
20 return route 42 return route
21 43
22 class Interaction(moving.STObject): 44 class Interaction(moving.STObject):
23 '''Class for an interaction between two road users 45 '''Class for an interaction between two road users
24 or a road user and an obstacle 46 or a road user and an obstacle