Mercurial Hosting > traffic-intelligence
annotate scripts/process.py @ 1026:73b124160911 v0.2
more plumbing
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Wed, 13 Jun 2018 14:55:22 -0400 |
parents | a13f47c8931d |
children | cc5cb04b04b0 |
rev | line source |
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1 #! /usr/bin/env python3 |
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2 |
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3 import sys, argparse |
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4 from pathlib import Path |
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5 from multiprocessing.pool import Pool |
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6 |
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7 #import matplotlib |
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8 #atplotlib.use('Agg') |
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9 import matplotlib.pyplot as plt |
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10 from numpy import percentile |
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11 from pandas import DataFrame |
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12 |
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13 import storage, events, prediction, cvutils, utils |
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14 from metadata import * |
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15 |
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16 parser = argparse.ArgumentParser(description='This program manages the processing of several files based on a description of the sites and video data in an SQLite database following the metadata module.') |
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17 # input |
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18 parser.add_argument('--db', dest = 'metadataFilename', help = 'name of the metadata file', required = True) |
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19 parser.add_argument('--videos', dest = 'videoIds', help = 'indices of the video sequences', nargs = '*', type = int) |
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20 parser.add_argument('--sites', dest = 'siteIds', help = 'indices of the video sequences', nargs = '*', type = int) |
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21 |
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22 # main function |
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23 parser.add_argument('--delete', dest = 'delete', help = 'data to delete', choices = ['feature', 'object', 'classification', 'interaction']) |
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24 parser.add_argument('--process', dest = 'process', help = 'data to process', choices = ['feature', 'object', 'classification', 'interaction']) |
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25 parser.add_argument('--display', dest = 'display', help = 'data to display (replay over video)', choices = ['feature', 'object', 'classification', 'interaction']) |
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26 parser.add_argument('--analyze', dest = 'analyze', help = 'data to analyze (results)', choices = ['feature', 'object', 'classification', 'interaction']) |
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27 |
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28 # common options |
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29 parser.add_argument('--cfg', dest = 'configFilename', help = 'name of the configuration file') |
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30 parser.add_argument('-n', dest = 'nObjects', help = 'number of objects/interactions to process', type = int) |
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31 parser.add_argument('--dry', dest = 'dryRun', help = 'dry run of processing', action = 'store_true') |
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32 parser.add_argument('--nthreads', dest = 'nProcesses', help = 'number of processes to run in parallel', type = int, default = 1) |
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33 |
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34 # analysis options |
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35 parser.add_argument('--output', dest = 'output', help = 'kind of output to produce (interval means)', choices = ['figure', 'interval', 'event']) |
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36 parser.add_argument('--min-user-duration', dest = 'minUserDuration', help = 'mininum duration we have to see the user to take into account in the analysis (s)', type = float, default = 0.1) |
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37 parser.add_argument('--interval-duration', dest = 'intervalDuration', help = 'length of time interval to aggregate data (min)', type = float, default = 15.) |
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38 parser.add_argument('--aggregation', dest = 'aggMethod', help = 'aggregation method per user/event and per interval', choices = ['mean', 'median', 'centile'], nargs = '*', default = ['median']) |
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39 parser.add_argument('--aggregation-centile', dest = 'aggCentiles', help = 'centile(s) to compute from the observations', nargs = '*', type = int) |
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40 dpi = 150 |
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41 # unit of analysis: site or video sequence? |
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42 |
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43 # safety analysis |
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44 parser.add_argument('--prediction-method', dest = 'predictionMethod', help = 'prediction method (constant velocity (cvd: vector computation (approximate); cve: equation solving; cv: discrete time (approximate)), normal adaptation, point set prediction)', choices = ['cvd', 'cve', 'cv', 'na', 'ps', 'mp']) |
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45 parser.add_argument('--pet', dest = 'computePET', help = 'computes PET', action = 'store_true') |
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46 # override other tracking config, erase sqlite? |
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47 |
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48 # need way of selecting sites as similar as possible to sql alchemy syntax |
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49 # override tracking.cfg from db |
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50 # manage cfg files, overwrite them (or a subset of parameters) |
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51 # delete sqlite files |
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52 # info of metadata |
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53 |
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54 args = parser.parse_args() |
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55 |
1009 | 56 ################################# |
57 # Data preparation | |
58 ################################# | |
59 session = connectDatabase(args.metadataFilename) | |
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60 parentPath = Path(args.metadataFilename).parent # files are relative to metadata location |
1009 | 61 videoSequences = [] |
62 if args.videoIds is not None: | |
63 videoSequences = [session.query(VideoSequence).get(videoId) for videoId in args.videoIds] | |
64 elif args.siteIds is not None: | |
65 for siteId in args.siteIds: | |
66 for site in getSite(session, siteId): | |
67 for cv in site.cameraViews: | |
68 videoSequences += cv.videoSequences | |
69 else: | |
70 print('No video/site to process') | |
71 | |
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72 if args.nProcesses > 1: |
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73 pool = Pool(args.nProcesses) |
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74 |
1009 | 75 ################################# |
76 # Delete | |
77 ################################# | |
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78 if args.delete is not None: |
1009 | 79 if args.delete == 'feature': |
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80 response = input('Are you sure you want to delete the tracking results (SQLite files) of all these sites (y/n)?') |
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81 if response == 'y': |
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82 for vs in videoSequences: |
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83 p = parentPath.absolute()/vs.getDatabaseFilename() |
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84 p.unlink() |
1009 | 85 elif args.delete in ['object', 'interaction']: |
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86 #parser.add_argument('-t', dest = 'dataType', help = 'type of the data to remove', required = True, choices = ['object','interaction', 'bb', 'pois', 'prototype']) |
1009 | 87 for vs in videoSequences: |
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88 storage.deleteFromSqlite(str(parentPath/vs.getDatabaseFilename()), args.delete) |
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89 |
1009 | 90 ################################# |
91 # Process | |
92 ################################# | |
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93 if args.process in ['feature', 'object']: # tracking |
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94 if args.nProcesses == 1: |
1009 | 95 for vs in videoSequences: |
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96 if not (parentPath/vs.getDatabaseFilename()).exists() or args.process == 'object': |
1009 | 97 if args.configFilename is None: |
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98 configFilename = str(parentPath/vs.cameraView.getTrackingConfigurationFilename()) |
1009 | 99 else: |
100 configFilename = args.configFilename | |
101 if vs.cameraView.cameraType is None: | |
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102 cvutils.tracking(configFilename, args.process == 'object', str(parentPath.absolute()/vs.getVideoSequenceFilename()), str(parentPath.absolute()/vs.getDatabaseFilename()), str(parentPath.absolute()/vs.cameraView.getHomographyFilename()), str(parentPath.absolute()/vs.cameraView.getMaskFilename()), False, None, None, args.dryRun) |
1009 | 103 else: |
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104 cvutils.tracking(configFilename, args.process == 'object', str(parentPath.absolute()/vs.getVideoSequenceFilename()), str(parentPath.absolute()/vs.getDatabaseFilename()), str(parentPath.absolute()/vs.cameraView.getHomographyFilename()), str(parentPath.absolute()/vs.cameraView.getMaskFilename()), True, vs.cameraView.cameraType.intrinsicCameraMatrix, vs.cameraView.cameraType.distortionCoefficients, args.dryRun) |
1009 | 105 else: |
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106 print('SQLite already exists: {}'.format(parentPath/vs.getDatabaseFilename())) |
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107 else: |
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108 for vs in videoSequences: |
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109 if not (parentPath/vs.getDatabaseFilename()).exists() or args.process == 'object': |
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110 if args.configFilename is None: |
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111 configFilename = str(parentPath/vs.cameraView.getTrackingConfigurationFilename()) |
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112 else: |
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113 configFilename = args.configFilename |
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114 if vs.cameraView.cameraType is None: |
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115 pool.apply_async(cvutils.tracking, args = (configFilename, args.process == 'object', str(parentPath.absolute()/vs.getVideoSequenceFilename()), str(parentPath.absolute()/vs.getDatabaseFilename()), str(parentPath.absolute()/vs.cameraView.getHomographyFilename()), str(parentPath.absolute()/vs.cameraView.getMaskFilename()), False, None, None, args.dryRun)) |
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116 else: |
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117 pool.apply_async(cvutils.tracking, args = (configFilename, args.process == 'object', str(parentPath.absolute()/vs.getVideoSequenceFilename()), str(parentPath.absolute()/vs.getDatabaseFilename()), str(parentPath.absolute()/vs.cameraView.getHomographyFilename()), str(parentPath.absolute()/vs.cameraView.getMaskFilename()), True, vs.cameraView.cameraType.intrinsicCameraMatrix, vs.cameraView.cameraType.distortionCoefficients, args.dryRun)) |
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118 else: |
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119 print('SQLite already exists: {}'.format(parentPath/vs.getDatabaseFilename())) |
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120 pool.close() |
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121 pool.join() |
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122 |
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123 elif args.process == 'interaction': |
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124 # safety analysis TODO make function in safety analysis script |
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125 if args.predictionMethod == 'cvd': |
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126 predictionParameters = prediction.CVDirectPredictionParameters() |
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127 if args.predictionMethod == 'cve': |
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128 predictionParameters = prediction.CVExactPredictionParameters() |
1009 | 129 for vs in videoSequences: |
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130 print('Processing '+vs.getDatabaseFilename()) |
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131 objects = storage.loadTrajectoriesFromSqlite(str(parentPath/vs.getDatabaseFilename()), 'object')#, args.nObjects, withFeatures = (params.useFeaturesForPrediction or predictionMethod == 'ps' or predictionMethod == 'mp')) |
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132 interactions = events.createInteractions(objects) |
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133 #if args.nProcesses == 1: |
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134 #print(str(parentPath/vs.cameraView.getTrackingConfigurationFilename())) |
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135 params = storage.ProcessParameters(str(parentPath/vs.cameraView.getTrackingConfigurationFilename())) |
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136 #print(len(interactions), args.computePET, predictionParameters, params.collisionDistance, params.predictionTimeHorizon, params.crossingZones) |
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137 processed = events.computeIndicators(interactions, True, args.computePET, predictionParameters, params.collisionDistance, params.predictionTimeHorizon, params.crossingZones, False, None) |
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138 storage.saveIndicatorsToSqlite(str(parentPath/vs.getDatabaseFilename()), processed) |
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139 # else: |
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140 # pool = Pool(processes = args.nProcesses) |
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141 # nInteractionPerProcess = int(np.ceil(len(interactions)/float(args.nProcesses))) |
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142 # jobs = [pool.apply_async(events.computeIndicators, args = (interactions[i*nInteractionPerProcess:(i+1)*nInteractionPerProcess], not args.noMotionPrediction, args.computePET, predictionParameters, params.collisionDistance, params.predictionTimeHorizon, params.crossingZones, False, None)) for i in range(args.nProcesses)] |
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143 # processed = [] |
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144 # for job in jobs: |
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145 # processed += job.get() |
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146 # pool.close() |
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147 |
1009 | 148 ################################# |
149 # Analyze | |
150 ################################# | |
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151 if args.analyze == 'object': |
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152 # user speeds, accelerations |
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153 # aggregation per site |
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154 data = [] # list of observation per site-user with time |
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155 headers = ['sites', 'date', 'time', 'user_type'] |
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156 aggFunctions = {} |
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157 for method in args.aggMethod: |
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158 if method == 'centile': |
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159 aggFunctions[method] = utils.aggregationFunction(method, args.aggCentiles) |
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160 for c in args.aggCentiles: |
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161 headers.append('{}{}'.format(method,c)) |
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162 else: |
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163 aggFunctions[method] = utils.aggregationFunction(method) |
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164 headers.append(method) |
1009 | 165 for vs in videoSequences: |
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166 d = vs.startTime.date() |
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167 t1 = vs.startTime.time() |
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168 minUserDuration = args.minUserDuration*vs.cameraView.cameraType.frameRate |
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169 print('Extracting speed from '+vs.getDatabaseFilename()) |
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170 objects = storage.loadTrajectoriesFromSqlite(str(parentPath/vs.getDatabaseFilename()), 'object', args.nObjects) |
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171 for o in objects: |
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172 if o.length() > minUserDuration: |
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173 row = [vs.cameraView.siteIdx, d, utils.framesToTime(o.getFirstInstant(), vs.cameraView.cameraType.frameRate, t1), o.getUserType()] |
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174 tmp = o.getSpeeds() |
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175 for method,func in aggFunctions.items(): |
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176 aggSpeeds = vs.cameraView.cameraType.frameRate*3.6*func(tmp) |
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177 if method == 'centile': |
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178 row += aggSpeeds.tolist() |
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179 else: |
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180 row.append(aggSpeeds) |
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181 data.append(row) |
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182 data = DataFrame(data, columns = headers) |
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183 if args.siteIds is None: |
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184 siteIds = set([vs.cameraView.siteIdx for vs in videoSequences]) |
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185 else: |
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186 siteIds = set(args.siteIds) |
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187 if args.output == 'figure': |
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188 for name in headers[4:]: |
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189 plt.ioff() |
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190 plt.figure() |
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191 plt.boxplot([data.loc[data['sites']==siteId, name] for siteId in siteIds], labels = [session.query(Site).get(siteId).name for siteId in siteIds]) |
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192 plt.ylabel(name+' Speeds (km/h)') |
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193 plt.savefig(name.lower()+'-speeds.png', dpi=dpi) |
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194 plt.close() |
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195 elif args.output == 'event': |
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196 data.to_csv('speeds.csv', index = False) |
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197 if args.analyze == 'interaction': |
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198 indicatorIds = [2,5,7,10] |
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199 conversionFactors = {2: 1., 5: 30.*3.6, 7:1./30, 10:1./30} |
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200 maxIndicatorValue = {2: float('inf'), 5: float('inf'), 7:10., 10:10.} |
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201 indicators = {} |
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202 interactions = {} |
1009 | 203 for vs in videoSequences: |
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204 if not vs.cameraView.siteIdx in interactions: |
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205 interactions[vs.cameraView.siteIdx] = [] |
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206 indicators[vs.cameraView.siteIdx] = {} |
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207 for i in indicatorIds: |
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208 indicators[vs.cameraView.siteIdx][i] = [] |
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209 interactions[vs.cameraView.siteIdx] += storage.loadInteractionsFromSqlite(str(parentPath/vs.getDatabaseFilename())) |
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210 print(vs.getDatabaseFilename(), len(interactions[vs.cameraView.siteIdx])) |
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211 for inter in interactions[vs.cameraView.siteIdx]: |
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212 for i in indicatorIds: |
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213 indic = inter.getIndicator(events.Interaction.indicatorNames[i]) |
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214 if indic is not None: |
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215 v = indic.getMostSevereValue()*conversionFactors[i] |
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216 if v < maxIndicatorValue[i]: |
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217 indicators[vs.cameraView.siteIdx][i].append(v) |
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218 |
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219 for i in indicatorIds: |
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220 tmp = [indicators[siteId][i] for siteId in indicators] |
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221 plt.ioff() |
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222 plt.figure() |
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223 plt.boxplot(tmp, labels = [session.query(Site).get(siteId).name for siteId in indicators]) |
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224 plt.ylabel(events.Interaction.indicatorNames[i]+' ('+events.Interaction.indicatorUnits[i]+')') |
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225 plt.savefig(events.Interaction.indicatorNames[i]+'.png', dpi=150) |
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226 plt.close() |