Mercurial Hosting > traffic-intelligence
annotate scripts/process.py @ 1006:2cf861106d17
bug corrected
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Sun, 03 Jun 2018 00:44:35 -0400 |
parents | 666b38437d9a |
children | 192de96e5255 |
rev | line source |
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updated code to python 3 (tests pass and scripts run, but non-executed parts of code are probably still not correct)
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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 matplotlib.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 |
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12 import storage, events, prediction, cvutils |
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13 from metadata import * |
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14 |
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15 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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16 parser.add_argument('--db', dest = 'metadataFilename', help = 'name of the metadata file', required = True) |
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17 parser.add_argument('--videos', dest = 'videoIds', help = 'indices of the video sequences', nargs = '*', type = int) |
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18 parser.add_argument('--sites', dest = 'siteIds', help = 'indices of the video sequences', nargs = '*', type = int) |
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19 parser.add_argument('--cfg', dest = 'configFilename', help = 'name of the configuration file') |
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20 parser.add_argument('-n', dest = 'nObjects', help = 'number of objects/interactions to process', type = int) |
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21 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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22 parser.add_argument('--pet', dest = 'computePET', help = 'computes PET', action = 'store_true') |
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23 # override other tracking config, erase sqlite? |
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24 parser.add_argument('--delete', dest = 'delete', help = 'data to delete', choices = ['feature', 'object', 'classification', 'interaction']) |
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25 parser.add_argument('--process', dest = 'process', help = 'data to process', choices = ['feature', 'object', 'classification', 'interaction']) |
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26 parser.add_argument('--display', dest = 'display', help = 'data to display (replay over video)', choices = ['feature', 'object', 'classification', 'interaction']) |
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27 parser.add_argument('--analyze', dest = 'analyze', help = 'data to analyze (results)', choices = ['feature', 'object', 'classification', 'interaction']) |
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28 |
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29 # need way of selecting sites as similar as possible to sql alchemy syntax |
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30 # override tracking.cfg from db |
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31 # manage cfg files, overwrite them (or a subset of parameters) |
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32 # delete sqlite files |
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33 |
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34 # info of metadata |
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35 |
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36 parser.add_argument('--nthreads', dest = 'nProcesses', help = 'number of processes to run in parallel', type = int, default = 1) |
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37 |
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38 args = parser.parse_args() |
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39 # files are relative to metadata location |
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40 |
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41 session = connectDatabase(args.metadataFilename) |
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42 parentDir = Path(args.metadataFilename).parent |
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43 |
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44 if args.delete is not None: |
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45 if args.delete in ['object', 'interaction']: |
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46 #parser.add_argument('-t', dest = 'dataType', help = 'type of the data to remove', required = True, choices = ['object','interaction', 'bb', 'pois', 'prototype']) |
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47 for videoId in args.videoIds: |
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48 vs = session.query(VideoSequence).get(videoId) |
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49 storage.deleteFromSqlite(str(parentDir/vs.getDatabaseFilename()), args.delete) |
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50 |
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51 import time |
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52 def track(i): |
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53 time.sleep(1) |
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54 print('process {}'.format(i)) |
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55 |
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56 |
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57 if args.process in ['feature', 'object']: # tracking |
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58 if args.videoIds is not None: |
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59 videoSequences = [session.query(VideoSequence).get(videoId) for videoId in args.videoIds] |
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60 elif args.siteIds is not None: |
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61 videoSequences = [] |
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62 for siteId in args.siteIds: |
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63 for site in getSite(session, siteId): |
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64 for cv in site.cameraViews: |
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65 videoSequences += cv.videoSequences |
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66 else: |
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67 print('No video/site to process') |
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68 videoSequences = [] |
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69 if args.nProcesses == 1: |
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70 pass |
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71 else: |
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72 pool = Pool(args.nProcesses) |
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73 for vs in videoSequences: |
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74 if not (parentDir/vs.getDatabaseFilename()).exists(): |
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75 if args.configFilename is None: |
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76 configFilename = str(parentDir/vs.cameraView.getTrackingConfigurationFilename()) |
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77 else: |
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78 configFilename = args.configFilename |
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79 if vs.cameraView.cameraType is None: |
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80 pool.apply_async(cvutils.tracking, args = (configFilename, args.process == 'object', str(parentDir.absolute()/vs.getVideoSequenceFilename()), str(parentDir.absolute()/vs.getDatabaseFilename()), str(parentDir.absolute()/vs.cameraView.getHomographyFilename()), str(parentDir.absolute()/vs.cameraView.getMaskFilename()), False, None, None)) |
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81 else: |
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82 pool.apply_async(cvutils.tracking, args = (configFilename, args.process == 'object', str(parentDir.absolute()/vs.getVideoSequenceFilename()), str(parentDir.absolute()/vs.getDatabaseFilename()), str(parentDir.absolute()/vs.cameraView.getHomographyFilename()), str(parentDir.absolute()/vs.cameraView.getMaskFilename()), True, vs.cameraView.cameraType.intrinsicCameraMatrix, vs.cameraView.cameraType.distortionCoefficients)) |
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83 else: |
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84 print('SQLite already exists: {}'.format(parentDir/vs.getDatabaseFilename())) |
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85 pool.close() |
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86 pool.join() |
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87 |
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88 elif args.process == 'interaction': |
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89 # safety analysis TODO make function in safety analysis script |
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90 if args.predictionMethod == 'cvd': |
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91 predictionParameters = prediction.CVDirectPredictionParameters() |
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92 if args.predictionMethod == 'cve': |
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93 predictionParameters = prediction.CVExactPredictionParameters() |
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94 for videoId in args.videoIds: |
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95 vs = session.query(VideoSequence).get(videoId) |
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96 print('Processing '+vs.getDatabaseFilename()) |
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97 objects = storage.loadTrajectoriesFromSqlite(str(parentDir/vs.getDatabaseFilename()), 'object')#, args.nObjects, withFeatures = (params.useFeaturesForPrediction or predictionMethod == 'ps' or predictionMethod == 'mp')) |
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98 interactions = events.createInteractions(objects) |
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99 #if args.nProcesses == 1: |
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100 #print(str(parentDir/vs.cameraView.getTrackingConfigurationFilename())) |
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101 params = storage.ProcessParameters(str(parentDir/vs.cameraView.getTrackingConfigurationFilename())) |
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102 #print(len(interactions), args.computePET, predictionParameters, params.collisionDistance, params.predictionTimeHorizon, params.crossingZones) |
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103 processed = events.computeIndicators(interactions, True, args.computePET, predictionParameters, params.collisionDistance, params.predictionTimeHorizon, params.crossingZones, False, None) |
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104 storage.saveIndicatorsToSqlite(str(parentDir/vs.getDatabaseFilename()), processed) |
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105 # else: |
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106 # pool = Pool(processes = args.nProcesses) |
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107 # nInteractionPerProcess = int(np.ceil(len(interactions)/float(args.nProcesses))) |
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108 # 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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109 # processed = [] |
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110 # for job in jobs: |
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111 # processed += job.get() |
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112 # pool.close() |
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113 |
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114 if args.analyze == 'object': # user speed for now |
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115 medianSpeeds = {} |
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116 speeds85 = {} |
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117 minLength = 2*30 |
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118 for videoId in args.videoIds: |
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119 vs = session.query(VideoSequence).get(videoId) |
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120 if not vs.cameraView.siteIdx in medianSpeeds: |
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121 medianSpeeds[vs.cameraView.siteIdx] = [] |
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122 speeds85[vs.cameraView.siteIdx] = [] |
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123 print('Extracting speed from '+vs.getDatabaseFilename()) |
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124 objects = storage.loadTrajectoriesFromSqlite(str(parentDir/vs.getDatabaseFilename()), 'object') |
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125 for o in objects: |
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126 if o.length() > minLength: |
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127 speeds = 30*3.6*percentile(o.getSpeeds(), [50, 85]) |
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128 medianSpeeds[vs.cameraView.siteIdx].append(speeds[0]) |
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129 speeds85[vs.cameraView.siteIdx].append(speeds[1]) |
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130 for speeds, name in zip([medianSpeeds, speeds85], ['Median', '85th Centile']): |
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131 plt.ioff() |
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132 plt.figure() |
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133 plt.boxplot(list(speeds.values()), labels = [session.query(Site).get(siteId).name for siteId in speeds]) |
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134 plt.ylabel(name+' Speeds (km/h)') |
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135 plt.savefig(name.lower()+'-speeds.png', dpi=150) |
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136 plt.close() |
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137 |
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138 if args.analyze == 'interaction': |
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139 indicatorIds = [2,5,7,10] |
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140 conversionFactors = {2: 1., 5: 30.*3.6, 7:1./30, 10:1./30} |
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141 maxIndicatorValue = {2: float('inf'), 5: float('inf'), 7:10., 10:10.} |
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142 indicators = {} |
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143 interactions = {} |
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144 for videoId in args.videoIds: |
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145 vs = session.query(VideoSequence).get(videoId) |
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146 if not vs.cameraView.siteIdx in interactions: |
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147 interactions[vs.cameraView.siteIdx] = [] |
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148 indicators[vs.cameraView.siteIdx] = {} |
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149 for i in indicatorIds: |
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150 indicators[vs.cameraView.siteIdx][i] = [] |
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151 interactions[vs.cameraView.siteIdx] += storage.loadInteractionsFromSqlite(str(parentDir/vs.getDatabaseFilename())) |
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152 print(vs.getDatabaseFilename(), len(interactions[vs.cameraView.siteIdx])) |
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153 for inter in interactions[vs.cameraView.siteIdx]: |
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154 for i in indicatorIds: |
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155 indic = inter.getIndicator(events.Interaction.indicatorNames[i]) |
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156 if indic is not None: |
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157 v = indic.getMostSevereValue()*conversionFactors[i] |
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158 if v < maxIndicatorValue[i]: |
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159 indicators[vs.cameraView.siteIdx][i].append(v) |
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160 |
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161 for i in indicatorIds: |
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162 tmp = [indicators[siteId][i] for siteId in indicators] |
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163 plt.ioff() |
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164 plt.figure() |
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165 plt.boxplot(tmp, labels = [session.query(Site).get(siteId).name for siteId in indicators]) |
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166 plt.ylabel(events.Interaction.indicatorNames[i]+' ('+events.Interaction.indicatorUnits[i]+')') |
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167 plt.savefig(events.Interaction.indicatorNames[i]+'.png', dpi=150) |
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168 plt.close() |