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311
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1 #! /usr/bin/env python
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2 '''Various utilities to load data saved by the POLY new output(s)'''
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3 import sys
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4 import utils
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5 from moving import TimeInterval
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6 import numpy as np
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7
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8 __metaclass__ = type
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603
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9 from indicators import SeverityIndicator
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311
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10
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11
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603
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12 def loadNewInteractions(videoFilename,interactionType,dirname, extension, indicatorsNames, roaduserNum1,roaduserNum2, selectedIndicators=[]):
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311
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13 '''Loads interactions from the POLY traffic event format'''
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14 from events import Interaction
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603
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15 filename= dirname + videoFilename + extension
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16 #filename= dirname + interactionType+ '-' + videoFilename + extension # case of min distance todo: change the saving format to be matched with all outputs
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311
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17 file = utils.openCheck(filename)
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18 if (not file):
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19 return []
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603
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20 #interactions = []
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311
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21 interactionNum = 0
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22 data= np.loadtxt(filename)
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23 indicatorFrameNums= data[:,0]
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24 inter = Interaction(interactionNum, TimeInterval(indicatorFrameNums[0],indicatorFrameNums[-1]), roaduserNum1, roaduserNum2)
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25 inter.addVideoFilename(videoFilename)
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26 inter.addInteractionType(interactionType)
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27 for key in indicatorsNames.keys():
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28 values= {}
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29 for i,t in enumerate(indicatorFrameNums):
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30 values[t] = data[i,key]
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31 inter.addIndicator(SeverityIndicator(indicatorsNames[key], values))
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32 if selectedIndicators !=[]:
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33 values= {}
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34 for i,t in enumerate(indicatorFrameNums):
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35 values[t] = [data[i,index] for index in selectedIndicators]
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36 inter.addIndicator(SeverityIndicator('selectedIndicators', values))
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37
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603
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38 #interactions.append(inter)
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311
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39 file.close()
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603
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40 #return interactions
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41 return inter
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311
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42
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603
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43
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