Mercurial Hosting > traffic-intelligence
annotate python/storage.py @ 777:ef6dd60be2e1 dev
added function to save feature trajectories
| author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
|---|---|
| date | Fri, 05 Feb 2016 17:19:13 -0500 |
| parents | bf4a1790cfac |
| children | bd684e57c431 |
| rev | line source |
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1 #! /usr/bin/env python |
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Added functions to write trajectories through sqlite
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2 # -*- coding: utf-8 -*- |
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3 '''Various utilities to save and load data''' |
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4 |
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work in progress storage vissim sqlite
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5 import utils, moving, events, indicators, shutil |
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corrected bug with circular import for VideoFilenameAddable, moved to base module
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6 from base import VideoFilenameAddable |
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first version of indicator loading code
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7 |
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added basic logging capability for debugging
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8 import sqlite3, logging |
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cleaning of storage.py and addition of type conversion for VISSIM files (from Laurent Gauthier)
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9 from numpy import log, min as npmin, max as npmax, round as npround, array, sum as npsum, loadtxt |
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moved pandas imports, sql in comments
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10 from pandas import read_csv, merge |
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11 |
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12 |
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corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
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13 commentChar = '#' |
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14 |
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15 delimiterChar = '%'; |
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16 |
| 50 | 17 ngsimUserTypes = {'twowheels':1, |
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added code to load object trajectories (average of features)
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18 'car':2, |
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19 'truck':3} |
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20 |
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added code to save collision points and crossing zones in txt files
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21 ######################### |
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22 # Sqlite |
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23 ######################### |
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24 |
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25 # utils |
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26 def printDBError(error): |
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27 print('DB Error: {}'.format(error)) |
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28 |
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29 def dropTables(connection, tableNames): |
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30 'deletes the table with names in tableNames' |
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31 try: |
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32 cursor = connection.cursor() |
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33 for tableName in tableNames: |
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34 cursor.execute('DROP TABLE IF EXISTS '+tableName) |
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35 except sqlite3.OperationalError as error: |
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36 printDBError(error) |
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37 |
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38 def tableExists(filename, tableName): |
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39 'indicates if the table exists in the database' |
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40 try: |
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41 connection = sqlite3.connect(filename) |
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42 cursor = connection.cursor() |
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43 cursor.execute('SELECT COUNT(*) FROM SQLITE_MASTER WHERE type = \'table\' AND name = \''+tableName+'\'') |
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44 return cursor.fetchone()[0] == 1 |
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45 except sqlite3.OperationalError as error: |
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46 printDBError(error) |
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47 |
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48 def createIndex(connection, tableName, columnName, unique = False): |
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49 '''Creates an index for the column in the table |
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50 I will make querying with a condition on this column faster''' |
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51 try: |
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52 #connection = sqlite3.connect(filename) |
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53 cursor = connection.cursor() |
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54 s = "CREATE " |
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55 if unique: |
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56 s += "UNIQUE " |
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57 cursor.execute(s+"INDEX IF NOT EXISTS "+tableName+"_"+columnName+"_index ON "+tableName+"("+columnName+")") |
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58 connection.commit() |
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59 #connection.close() |
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60 except sqlite3.OperationalError as error: |
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61 printDBError(error) |
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62 |
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63 def getNumberRowsTable(connection, tableName, columnName = None): |
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64 '''Returns the number of rows for the table |
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65 If columnName is not None, means we want the number of distinct values for that column |
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66 (otherwise, we can just count(*))''' |
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67 try: |
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68 cursor = connection.cursor() |
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69 if columnName is None: |
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70 cursor.execute("SELECT COUNT(*) from "+tableName) |
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71 else: |
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72 cursor.execute("SELECT COUNT(DISTINCT "+columnName+") from "+tableName) |
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73 return cursor.fetchone()[0] |
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74 except sqlite3.OperationalError as error: |
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75 printDBError(error) |
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76 |
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77 def getMinMax(connection, tableName, columnName, minmax): |
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78 '''Returns max/min or both for given column in table |
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79 minmax must be string max, min or minmax''' |
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80 try: |
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81 cursor = connection.cursor() |
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82 if minmax == 'min' or minmax == 'max': |
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83 cursor.execute("SELECT "+minmax+"("+columnName+") from "+tableName) |
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84 elif minmax == 'minmax': |
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85 cursor.execute("SELECT MIN("+columnName+"), MAX("+columnName+") from "+tableName) |
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86 else: |
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87 print("Argument minmax unknown: {}".format(minmax)) |
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88 return cursor.fetchone()[0] |
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89 except sqlite3.OperationalError as error: |
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90 printDBError(error) |
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91 |
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92 def loadPrototypeMatchIndexesFromSqlite(filename): |
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93 """ |
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94 This function loads the prototypes table in the database of name <filename>. |
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95 It returns a list of tuples representing matching ids : [(prototype_id, matched_trajectory_id),...] |
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96 """ |
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97 matched_indexes = [] |
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98 |
| 211 | 99 connection = sqlite3.connect(filename) |
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100 cursor = connection.cursor() |
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101 |
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102 try: |
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103 cursor.execute('SELECT * from prototypes order by prototype_id, trajectory_id_matched') |
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104 except sqlite3.OperationalError as error: |
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105 printDBError(error) |
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106 return [] |
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107 |
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108 for row in cursor: |
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109 matched_indexes.append((row[0],row[1])) |
| 211 | 110 |
| 111 connection.close() | |
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112 return matched_indexes |
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diff
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113 |
|
693
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corrected bug when loading indicator time intervals and updated how queries are created for better legibility
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
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|
114 def getObjectCriteria(objectNumbers): |
|
585
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|
115 if objectNumbers is None: |
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116 query = '' |
|
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|
117 elif type(objectNumbers) == int: |
|
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corrected bug when loading indicator time intervals and updated how queries are created for better legibility
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diff
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|
118 query = 'between 0 and {0}'.format(objectNumbers-1) |
|
263
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reorganized loading trajectories and objects, added loading feature numbers for objects (the set of features grouped as one moving object
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diff
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|
119 elif type(objectNumbers) == list: |
|
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diff
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120 query = 'in ('+', '.join([str(n) for n in objectNumbers])+')' |
|
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corrected bug when loading indicator time intervals and updated how queries are created for better legibility
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diff
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121 else: |
|
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parents:
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diff
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122 print('objectNumbers {} are not a known type ({})'.format(objectNumbers, type(objectNumbers))) |
|
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corrected bug when loading indicator time intervals and updated how queries are created for better legibility
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parents:
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diff
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|
123 query = '' |
|
263
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reorganized loading trajectories and objects, added loading feature numbers for objects (the set of features grouped as one moving object
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parents:
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diff
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|
124 return query |
|
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diff
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125 |
|
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126 def loadTrajectoriesFromTable(connection, tableName, trajectoryType, objectNumbers = None): |
|
239
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127 '''Loads trajectories (in the general sense) from the given table |
|
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128 can be positions or velocities |
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129 |
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130 returns a moving object''' |
|
143
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diff
changeset
|
131 cursor = connection.cursor() |
|
204
966c2cd2bd9f
added code to load object trajectories (average of features)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
203
diff
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132 |
|
215
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diff
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133 try: |
|
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corrected bug when loading indicator time intervals and updated how queries are created for better legibility
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134 objectCriteria = getObjectCriteria(objectNumbers) |
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135 queryStatement = None |
|
215
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diff
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136 if trajectoryType == 'feature': |
|
693
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diff
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137 queryStatement = 'SELECT * from '+tableName |
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138 if objectNumbers is not None: |
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139 queryStatement += ' WHERE trajectory_id '+objectCriteria |
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140 queryStatement += ' ORDER BY trajectory_id, frame_number' |
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215
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141 elif trajectoryType == 'object': |
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142 queryStatement = 'SELECT OF.object_id, P.frame_number, avg(P.x_coordinate), avg(P.y_coordinate) from '+tableName+' P, objects_features OF WHERE P.trajectory_id = OF.trajectory_id' |
|
693
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corrected bug when loading indicator time intervals and updated how queries are created for better legibility
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parents:
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diff
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|
143 if objectNumbers is not None: |
|
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corrected bug when loading indicator time intervals and updated how queries are created for better legibility
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parents:
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diff
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144 queryStatement += ' and OF.object_id '+objectCriteria |
|
712
21aeadcfbabb
added script to test SQLite performance and impact of indices
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parents:
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diff
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145 queryStatement += ' GROUP BY OF.object_id, P.frame_number ORDER BY OF.object_id, P.frame_number' |
|
588
c5406edbcf12
added loading ground truth annotations (ground truth) from polytrack format
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
587
diff
changeset
|
146 elif trajectoryType in ['bbtop', 'bbbottom']: |
|
587
cf578ba866da
added code to load bounding box corners as trajectories
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
586
diff
changeset
|
147 if trajectoryType == 'bbtop': |
|
cf578ba866da
added code to load bounding box corners as trajectories
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586
diff
changeset
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148 corner = 'top_left' |
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parents:
586
diff
changeset
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149 elif trajectoryType == 'bbbottom': |
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parents:
586
diff
changeset
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150 corner = 'bottom_right' |
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693
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changeset
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151 queryStatement = 'SELECT object_id, frame_number, x_'+corner+', y_'+corner+' FROM '+tableName |
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diff
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152 if objectNumbers is not None: |
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712
21aeadcfbabb
added script to test SQLite performance and impact of indices
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diff
changeset
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153 queryStatement += ' WHERE object_id '+objectCriteria |
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154 queryStatement += ' ORDER BY object_id, frame_number' |
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155 else: |
|
777
ef6dd60be2e1
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parents:
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diff
changeset
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156 print('Unknown trajectory type {}'.format(trajectoryType)) |
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157 if queryStatement is not None: |
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417
a2ff03a52b73
added basic logging capability for debugging
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diff
changeset
|
158 cursor.execute(queryStatement) |
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diff
changeset
|
159 logging.debug(queryStatement) |
|
342
4d69486869a5
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parents:
341
diff
changeset
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160 except sqlite3.OperationalError as error: |
|
491
343cfd185ca6
minor changes and reaarrangements
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parents:
482
diff
changeset
|
161 printDBError(error) |
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215
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diff
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162 return [] |
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239
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163 |
|
143
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164 objId = -1 |
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165 obj = None |
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166 objects = [] |
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167 for row in cursor: |
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168 if row[0] != objId: |
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169 objId = row[0] |
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636
3058e00887bc
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diff
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170 if obj is not None and obj.length() == obj.positions.length(): |
|
143
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171 objects.append(obj) |
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636
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parents:
628
diff
changeset
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172 elif obj is not None: |
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588
c5406edbcf12
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diff
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173 print('Object {} is missing {} positions'.format(obj.getNum(), int(obj.length())-obj.positions.length())) |
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143
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174 obj = moving.MovingObject(row[0], timeInterval = moving.TimeInterval(row[1], row[1]), positions = moving.Trajectory([[row[2]],[row[3]]])) |
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175 else: |
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176 obj.timeInterval.last = row[1] |
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177 obj.positions.addPositionXY(row[2],row[3]) |
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178 |
|
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179 if obj is not None and obj.length() == obj.positions.length(): |
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143
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180 objects.append(obj) |
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diff
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181 elif obj is not None: |
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588
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182 print('Object {} is missing {} positions'.format(obj.getNum(), int(obj.length())-obj.positions.length())) |
|
143
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183 |
|
239
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184 return objects |
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185 |
|
588
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587
diff
changeset
|
186 def loadUserTypesFromTable(cursor, trajectoryType, objectNumbers): |
|
693
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corrected bug when loading indicator time intervals and updated how queries are created for better legibility
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187 objectCriteria = getObjectCriteria(objectNumbers) |
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diff
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|
188 queryStatement = 'SELECT object_id, road_user_type from objects' |
|
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189 if objectNumbers is not None: |
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190 queryStatement += ' WHERE object_id '+objectCriteria |
|
693
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changeset
|
191 cursor.execute(queryStatement) |
|
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diff
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|
192 userTypes = {} |
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added loading ground truth annotations (ground truth) from polytrack format
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diff
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193 for row in cursor: |
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diff
changeset
|
194 userTypes[row[0]] = row[1] |
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195 return userTypes |
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diff
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|
196 |
|
685
94b291a5f933
several updates for display
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parents:
680
diff
changeset
|
197 def loadTrajectoriesFromSqlite(filename, trajectoryType, objectNumbers = None, withFeatures = False): |
|
777
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|
198 '''Loads the trajectories (in the general sense, |
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199 either features, objects (feature groups) or bounding box series) |
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200 The number loaded is either the first objectNumbers objects, |
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201 or the indices in objectNumbers from the database''' |
|
588
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diff
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|
202 connection = sqlite3.connect(filename) |
|
239
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203 |
|
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204 objects = loadTrajectoriesFromTable(connection, 'positions', trajectoryType, objectNumbers) |
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diff
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205 objectVelocities = loadTrajectoriesFromTable(connection, 'velocities', trajectoryType, objectNumbers) |
|
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206 |
|
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diff
changeset
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207 if len(objectVelocities) > 0: |
|
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235
diff
changeset
|
208 for o,v in zip(objects, objectVelocities): |
|
329
a70c205ebdd9
added sqlite code, in particular to load and save road user type
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diff
changeset
|
209 if o.getNum() == v.getNum(): |
|
239
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changeset
|
210 o.velocities = v.positions |
|
343
74e437ab5f11
first version of indicator loading code
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parents:
342
diff
changeset
|
211 o.velocities.duplicateLastPosition() # avoid having velocity shorter by one position than positions |
|
239
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212 else: |
|
329
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327
diff
changeset
|
213 print('Could not match positions {0} with velocities {1}'.format(o.getNum(), v.getNum())) |
|
239
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changeset
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214 |
|
263
c71540470057
reorganized loading trajectories and objects, added loading feature numbers for objects (the set of features grouped as one moving object
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
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215 if trajectoryType == 'object': |
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216 cursor = connection.cursor() |
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217 try: |
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218 # attribute feature numbers to objects |
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219 objectCriteria = getObjectCriteria(objectNumbers) |
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220 queryStatement = 'SELECT P.trajectory_id, OF.object_id from positions P, objects_features OF WHERE P.trajectory_id = OF.trajectory_id' |
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221 if objectNumbers is not None: |
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222 queryStatement += ' and OF.object_id '+objectCriteria |
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223 queryStatement += ' group by P.trajectory_id order by OF.object_id' # order is important to group all features per object |
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417
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224 cursor.execute(queryStatement) |
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225 logging.debug(queryStatement) |
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263
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226 |
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227 featureNumbers = {} |
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228 for row in cursor: |
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229 objId = row[1] |
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230 if objId not in featureNumbers: |
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263
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231 featureNumbers[objId] = [row[0]] |
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232 else: |
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233 featureNumbers[objId].append(row[0]) |
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234 |
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235 for obj in objects: |
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236 obj.featureNumbers = featureNumbers[obj.getNum()] |
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237 |
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238 # load userType |
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239 userTypes = loadUserTypesFromTable(cursor, trajectoryType, objectNumbers) |
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240 for obj in objects: |
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241 obj.userType = userTypes[obj.getNum()] |
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242 |
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243 if withFeatures: |
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244 nFeatures = 0 |
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245 for obj in objects: |
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246 nFeatures = max(nFeatures, max(obj.featureNumbers)) |
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247 features = loadTrajectoriesFromSqlite(filename, 'feature', nFeatures+1) |
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248 for obj in objects: |
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249 obj.setFeatures(features) |
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250 |
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342
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251 except sqlite3.OperationalError as error: |
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252 printDBError(error) |
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253 objects = [] |
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254 |
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255 connection.close() |
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256 return objects |
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257 |
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258 def savePrototypesToSqlite(filename, prototypes, trajectoryType = 'feature'): |
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259 'Work in progress, do not use' |
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260 connection = sqlite3.connect(filename) |
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261 cursor = connection.cursor() |
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262 try: |
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263 cursor.execute('CREATE TABLE IF NOT EXISTS prototypes (id INTEGER PRIMARY KEY, object_id INTEGER, trajectory_id INTEGER, nMatchings INTEGER, FOREIGN KEY(object_id) REFERENCES objects(id), FOREIGN KEY(trajectory_id) REFERENCES positions(trajectory_id))') |
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264 #for inter in interactions: |
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265 # saveInteraction(cursor, inter) |
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266 except sqlite3.OperationalError as error: |
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267 printDBError(error) |
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268 connection.commit() |
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269 connection.close() |
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270 |
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271 def loadPrototypesFromSqlite(filename): |
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272 pass |
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273 |
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274 def loadBBMovingObjectsFromSqlite(filename, objectType = 'bb', objectNumbers = None): |
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275 '''Loads bounding box moving object from an SQLite |
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276 (format of SQLite output by the ground truth annotation tool |
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277 or Urban Tracker |
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278 |
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279 Load descriptions?''' |
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280 connection = sqlite3.connect(filename) |
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281 objects = [] |
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282 |
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283 if objectType == 'bb': |
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284 topCorners = loadTrajectoriesFromTable(connection, 'bounding_boxes', 'bbtop', objectNumbers) |
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285 bottomCorners = loadTrajectoriesFromTable(connection, 'bounding_boxes', 'bbbottom', objectNumbers) |
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286 userTypes = loadUserTypesFromTable(connection.cursor(), 'object', objectNumbers) # string format is same as object |
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287 |
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288 for t, b in zip(topCorners, bottomCorners): |
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289 num = t.getNum() |
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290 if t.getNum() == b.getNum(): |
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291 annotation = moving.BBMovingObject(num, t.getTimeInterval(), t, b, userTypes[num]) |
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292 objects.append(annotation) |
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293 else: |
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768
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294 print ('Unknown type of bounding box {}'.format(objectType)) |
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295 |
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296 connection.close() |
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297 return objects |
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298 |
|
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299 def deleteFromSqlite(filename, dataType): |
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300 'Deletes (drops) some tables in the filename depending on type of data' |
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301 import os |
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302 if os.path.isfile(filename): |
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303 connection = sqlite3.connect(filename) |
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304 if dataType == 'object': |
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305 dropTables(connection, ['objects', 'objects_features']) |
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306 elif dataType == 'interaction': |
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307 dropTables(connection, ['interactions', 'indicators']) |
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308 elif dataType == 'bb': |
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309 dropTables(connection, ['bounding_boxes']) |
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310 else: |
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311 print('Unknown data type {} to delete from database'.format(dataType)) |
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312 connection.close() |
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344
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313 else: |
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314 print('{} does not exist'.format(filename)) |
|
235
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315 |
|
341
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316 def createInteractionTable(cursor): |
|
343
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317 cursor.execute('CREATE TABLE IF NOT EXISTS interactions (id INTEGER PRIMARY KEY, object_id1 INTEGER, object_id2 INTEGER, first_frame_number INTEGER, last_frame_number INTEGER, FOREIGN KEY(object_id1) REFERENCES objects(id), FOREIGN KEY(object_id2) REFERENCES objects(id))') |
|
341
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318 |
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319 def createIndicatorTables(cursor): |
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320 # cursor.execute('CREATE TABLE IF NOT EXISTS indicators (id INTEGER PRIMARY KEY, interaction_id INTEGER, indicator_type INTEGER, FOREIGN KEY(interaction_id) REFERENCES interactions(id))') |
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321 # cursor.execute('CREATE TABLE IF NOT EXISTS indicator_values (indicator_id INTEGER, frame_number INTEGER, value REAL, FOREIGN KEY(indicator_id) REFERENCES indicators(id), PRIMARY KEY(indicator_id, frame_number))') |
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322 cursor.execute('CREATE TABLE IF NOT EXISTS indicators (interaction_id INTEGER, indicator_type INTEGER, frame_number INTEGER, value REAL, FOREIGN KEY(interaction_id) REFERENCES interactions(id), PRIMARY KEY(interaction_id, indicator_type, frame_number))') |
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323 |
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324 def saveInteraction(cursor, interaction): |
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325 roadUserNumbers = list(interaction.getRoadUserNumbers()) |
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326 cursor.execute('INSERT INTO interactions VALUES({}, {}, {}, {}, {})'.format(interaction.getNum(), roadUserNumbers[0], roadUserNumbers[1], interaction.getFirstInstant(), interaction.getLastInstant())) |
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327 |
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340
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328 def saveInteractions(filename, interactions): |
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329 'Saves the interactions in the table' |
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330 connection = sqlite3.connect(filename) |
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331 cursor = connection.cursor() |
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332 try: |
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333 createInteractionTable(cursor) |
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334 for inter in interactions: |
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335 saveInteraction(cursor, inter) |
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336 except sqlite3.OperationalError as error: |
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337 printDBError(error) |
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341
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338 connection.commit() |
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340
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339 connection.close() |
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340 |
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341
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341 def saveIndicator(cursor, interactionNum, indicator): |
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342 for instant in indicator.getTimeInterval(): |
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343 if indicator[instant]: |
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344 cursor.execute('INSERT INTO indicators VALUES({}, {}, {}, {})'.format(interactionNum, events.Interaction.indicatorNameToIndices[indicator.getName()], instant, indicator[instant])) |
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345 |
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346 def saveIndicators(filename, interactions, indicatorNames = events.Interaction.indicatorNames): |
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347 'Saves the indicator values in the table' |
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348 connection = sqlite3.connect(filename) |
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349 cursor = connection.cursor() |
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350 try: |
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351 createInteractionTable(cursor) |
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352 createIndicatorTables(cursor) |
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353 for inter in interactions: |
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354 saveInteraction(cursor, inter) |
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355 for indicatorName in indicatorNames: |
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356 indicator = inter.getIndicator(indicatorName) |
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357 if indicator is not None: |
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358 saveIndicator(cursor, inter.getNum(), indicator) |
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359 except sqlite3.OperationalError as error: |
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360 printDBError(error) |
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341
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361 connection.commit() |
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362 connection.close() |
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363 |
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364 def loadInteractions(filename): |
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365 '''Loads interaction and their indicators |
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366 |
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367 TODO choose the interactions to load''' |
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368 interactions = [] |
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342
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369 connection = sqlite3.connect(filename) |
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370 cursor = connection.cursor() |
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371 try: |
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372 cursor.execute('select INT.id, INT.object_id1, INT.object_id2, INT.first_frame_number, INT.last_frame_number, IND.indicator_type, IND.frame_number, IND.value from interactions INT, indicators IND WHERE INT.id = IND.interaction_id ORDER BY INT.id, IND.indicator_type, IND.frame_number') |
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373 interactionNum = -1 |
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374 indicatorTypeNum = -1 |
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343
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375 tmpIndicators = {} |
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342
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376 for row in cursor: |
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377 if row[0] != interactionNum: |
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378 interactionNum = row[0] |
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379 interactions.append(events.Interaction(interactionNum, moving.TimeInterval(row[3],row[4]), row[1], row[2])) |
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380 interactions[-1].indicators = {} |
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381 if indicatorTypeNum != row[5] or row[0] != interactionNum: |
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382 indicatorTypeNum = row[5] |
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383 indicatorName = events.Interaction.indicatorNames[indicatorTypeNum] |
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384 indicatorValues = {row[6]:row[7]} |
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385 interactions[-1].indicators[indicatorName] = indicators.SeverityIndicator(indicatorName, indicatorValues, mostSevereIsMax = not indicatorName in events.Interaction.timeIndicators) |
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386 else: |
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387 indicatorValues[row[6]] = row[7] |
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388 interactions[-1].indicators[indicatorName].timeInterval.last = row[6] |
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342
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389 except sqlite3.OperationalError as error: |
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390 printDBError(error) |
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343
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391 return [] |
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342
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392 connection.close() |
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393 return interactions |
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394 # load first and last object instants |
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395 # CREATE TEMP TABLE IF NOT EXISTS object_instants AS SELECT OF.object_id, min(frame_number) as first_instant, max(frame_number) as last_instant from positions P, objects_features OF WHERE P.trajectory_id = OF.trajectory_id group by OF.object_id order by OF.object_id |
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342
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396 |
|
390
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397 def createBoundingBoxTable(filename, invHomography = None): |
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398 '''Create the table to store the object bounding boxes in image space |
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390
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399 ''' |
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400 connection = sqlite3.connect(filename) |
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401 cursor = connection.cursor() |
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402 try: |
|
394
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403 cursor.execute('CREATE TABLE IF NOT EXISTS bounding_boxes (object_id INTEGER, frame_number INTEGER, x_top_left REAL, y_top_left REAL, x_bottom_right REAL, y_bottom_right REAL, PRIMARY KEY(object_id, frame_number))') |
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404 cursor.execute('INSERT INTO bounding_boxes SELECT object_id, frame_number, min(x), min(y), max(x), max(y) from ' |
|
390
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405 '(SELECT object_id, frame_number, (x*{}+y*{}+{})/w as x, (x*{}+y*{}+{})/w as y from ' |
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406 '(SELECT OF.object_id, P.frame_number, P.x_coordinate as x, P.y_coordinate as y, P.x_coordinate*{}+P.y_coordinate*{}+{} as w from positions P, objects_features OF WHERE P.trajectory_id = OF.trajectory_id)) '.format(invHomography[0,0], invHomography[0,1], invHomography[0,2], invHomography[1,0], invHomography[1,1], invHomography[1,2], invHomography[2,0], invHomography[2,1], invHomography[2,2])+ |
|
390
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407 'GROUP BY object_id, frame_number') |
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408 except sqlite3.OperationalError as error: |
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491
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409 printDBError(error) |
|
390
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410 connection.commit() |
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411 connection.close() |
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329
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412 |
|
586
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413 def loadBoundingBoxTableForDisplay(filename): |
|
647
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414 '''Loads bounding boxes from bounding_boxes table for display over trajectories''' |
|
393
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415 connection = sqlite3.connect(filename) |
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416 cursor = connection.cursor() |
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417 boundingBoxes = {} # list of bounding boxes for each instant |
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418 try: |
|
394
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419 cursor.execute('SELECT name FROM sqlite_master WHERE type=\'table\' AND name=\'bounding_boxes\'') |
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420 result = cursor.fetchall() |
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421 if len(result) > 0: |
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394
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422 cursor.execute('SELECT * FROM bounding_boxes') |
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423 for row in cursor: |
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424 boundingBoxes.setdefault(row[1], []).append([moving.Point(row[2], row[3]), moving.Point(row[4], row[5])]) |
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425 except sqlite3.OperationalError as error: |
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491
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426 printDBError(error) |
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427 return boundingBoxes |
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428 connection.close() |
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429 return boundingBoxes |
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430 |
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431 def saveTrajectoriesToSqlite(outputFilename, objects, trajectoryType, withFeatures = False): |
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432 '''Writes features, ie the trajectories positions (and velocities if exist) |
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433 with their instants to a specified sqlite file |
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434 |
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435 TODO: Not implemented for other trajectoryType than features |
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436 For objects, with features will control whether the features |
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437 corresponding to the object are also saved''' |
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438 |
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439 connection = sqlite3.connect(outputFilename) |
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440 try: |
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441 cursor = connection.cursor() |
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442 |
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443 if trajectoryType == 'feature': |
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444 cursor.execute("CREATE TABLE IF NOT EXISTS positions (trajectory_id INTEGER, frame_number INTEGER, x_coordinate REAL, y_coordinate REAL, PRIMARY KEY(trajectory_id, frame_number))") |
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445 cursor.execute("CREATE TABLE IF NOT EXISTS velocities (trajectory_id INTEGER, frame_number INTEGER, x_coordinate REAL, y_coordinate REAL, PRIMARY KEY(trajectory_id, frame_number))") |
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446 |
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447 positionQuery = "insert into positions (trajectory_id, frame_number, x_coordinate, y_coordinate) values (?,?,?,?)" |
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448 velocityQuery = "insert into velocities (trajectory_id, frame_number, x_coordinate, y_coordinate) values (?,?,?,?)" |
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449 for obj in objects: |
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450 num = obj.getNum() |
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451 frame_number = obj.getFirstInstant() |
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452 for position in obj.getPositions(): |
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453 cursor.execute(positionQuery, (num, frame_number, position.x, position.y)) |
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454 frame_number += 1 |
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455 if obj.getVelocities() is not None: |
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456 frame_number = obj.getFirstInstant() |
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457 velocities = obj.getVelocities() |
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458 for i in xrange(velocities.length()-1): |
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459 v = velocities[i] |
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460 cursor.execute(velocityQuery, (num, frame_number, v.x, v.y)) |
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461 frame_number += 1 |
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462 connection.commit() |
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463 #elif trajectoryType == 'feature': |
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464 else: |
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465 print('Unknown trajectory type {}'.format(trajectoryType)) |
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466 except sqlite3.OperationalError as error: |
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467 printDBError(error) |
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468 connection.close() |
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469 |
|
329
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470 ######################### |
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471 # saving and loading for scene interpretation (Mohamed Gomaa Mohamed's PhD) |
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472 ######################### |
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473 |
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474 def writePrototypesToSqlite(prototypes,nMatching, outputFilename): |
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475 """ prototype dataset is a dictionary with keys== routes, values== prototypes Ids """ |
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476 connection = sqlite3.connect(outputFilename) |
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477 cursor = connection.cursor() |
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478 |
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479 cursor.execute("CREATE TABLE IF NOT EXISTS prototypes (prototype_id INTEGER,routeIDstart INTEGER,routeIDend INTEGER, nMatching INTEGER, PRIMARY KEY(prototype_id))") |
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480 |
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481 for route in prototypes.keys(): |
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482 if prototypes[route]!=[]: |
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483 for i in prototypes[route]: |
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484 cursor.execute("insert into prototypes (prototype_id, routeIDstart,routeIDend, nMatching) values (?,?,?,?)",(i,route[0],route[1],nMatching[route][i])) |
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485 |
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486 connection.commit() |
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487 connection.close() |
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488 |
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489 def readPrototypesFromSqlite(filename): |
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490 """ |
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491 This function loads the prototype file in the database |
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492 It returns a dictionary for prototypes for each route and nMatching |
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493 """ |
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494 prototypes = {} |
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495 nMatching={} |
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496 |
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497 connection = sqlite3.connect(filename) |
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498 cursor = connection.cursor() |
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499 |
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500 try: |
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501 cursor.execute('SELECT * from prototypes order by prototype_id, routeIDstart,routeIDend, nMatching') |
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502 except sqlite3.OperationalError as error: |
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503 printDBError(error) |
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504 return [] |
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505 |
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506 for row in cursor: |
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507 route=(row[1],row[2]) |
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508 if route not in prototypes.keys(): |
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509 prototypes[route]=[] |
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510 prototypes[route].append(row[0]) |
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511 nMatching[row[0]]=row[3] |
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512 |
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513 connection.close() |
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514 return prototypes,nMatching |
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515 |
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516 def writeLabelsToSqlite(labels, outputFilename): |
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517 """ labels is a dictionary with keys: routes, values: prototypes Ids |
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518 """ |
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519 connection = sqlite3.connect(outputFilename) |
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520 cursor = connection.cursor() |
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521 |
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522 cursor.execute("CREATE TABLE IF NOT EXISTS labels (object_id INTEGER,routeIDstart INTEGER,routeIDend INTEGER, prototype_id INTEGER, PRIMARY KEY(object_id))") |
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523 |
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524 for route in labels.keys(): |
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525 if labels[route]!=[]: |
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526 for i in labels[route]: |
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527 for j in labels[route][i]: |
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528 cursor.execute("insert into labels (object_id, routeIDstart,routeIDend, prototype_id) values (?,?,?,?)",(j,route[0],route[1],i)) |
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529 |
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530 connection.commit() |
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531 connection.close() |
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532 |
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533 def loadLabelsFromSqlite(filename): |
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534 labels = {} |
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535 |
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536 connection = sqlite3.connect(filename) |
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537 cursor = connection.cursor() |
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538 |
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539 try: |
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540 cursor.execute('SELECT * from labels order by object_id, routeIDstart,routeIDend, prototype_id') |
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541 except sqlite3.OperationalError as error: |
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542 printDBError(error) |
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543 return [] |
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544 |
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545 for row in cursor: |
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546 route=(row[1],row[2]) |
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547 p=row[3] |
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548 if route not in labels.keys(): |
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549 labels[route]={} |
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550 if p not in labels[route].keys(): |
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551 labels[route][p]=[] |
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552 labels[route][p].append(row[0]) |
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553 |
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554 connection.close() |
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555 return labels |
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556 |
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557 def writeSpeedPrototypeToSqlite(prototypes,nmatching, outFilename): |
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558 """ to match the format of second layer prototypes""" |
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559 connection = sqlite3.connect(outFilename) |
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560 cursor = connection.cursor() |
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561 |
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562 cursor.execute("CREATE TABLE IF NOT EXISTS speedprototypes (spdprototype_id INTEGER,prototype_id INTEGER,routeID_start INTEGER, routeID_end INTEGER, nMatching INTEGER, PRIMARY KEY(spdprototype_id))") |
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563 |
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564 for route in prototypes.keys(): |
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565 if prototypes[route]!={}: |
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566 for i in prototypes[route]: |
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567 if prototypes[route][i]!= []: |
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568 for j in prototypes[route][i]: |
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569 cursor.execute("insert into speedprototypes (spdprototype_id,prototype_id, routeID_start, routeID_end, nMatching) values (?,?,?,?,?)",(j,i,route[0],route[1],nmatching[j])) |
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|
570 |
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571 connection.commit() |
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572 connection.close() |
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|
573 |
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574 def loadSpeedPrototypeFromSqlite(filename): |
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575 """ |
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576 This function loads the prototypes table in the database of name <filename>. |
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577 """ |
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578 prototypes = {} |
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579 nMatching={} |
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580 connection = sqlite3.connect(filename) |
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581 cursor = connection.cursor() |
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582 |
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|
583 try: |
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584 cursor.execute('SELECT * from speedprototypes order by spdprototype_id,prototype_id, routeID_start, routeID_end, nMatching') |
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585 except sqlite3.OperationalError as error: |
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586 printDBError(error) |
|
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587 return [] |
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|
588 |
|
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589 for row in cursor: |
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590 route=(row[2],row[3]) |
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591 if route not in prototypes.keys(): |
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592 prototypes[route]={} |
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|
593 if row[1] not in prototypes[route].keys(): |
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594 prototypes[route][row[1]]=[] |
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595 prototypes[route][row[1]].append(row[0]) |
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596 nMatching[row[0]]=row[4] |
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|
597 |
|
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|
598 connection.close() |
|
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|
599 return prototypes,nMatching |
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|
600 |
|
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|
601 |
|
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|
602 def writeRoutesToSqlite(Routes, outputFilename): |
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603 """ This function writes the activity path define by start and end IDs""" |
|
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604 connection = sqlite3.connect(outputFilename) |
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605 cursor = connection.cursor() |
|
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|
606 |
|
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607 cursor.execute("CREATE TABLE IF NOT EXISTS routes (object_id INTEGER,routeIDstart INTEGER,routeIDend INTEGER, PRIMARY KEY(object_id))") |
|
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|
608 |
|
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|
609 for route in Routes.keys(): |
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|
610 if Routes[route]!=[]: |
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611 for i in Routes[route]: |
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612 cursor.execute("insert into routes (object_id, routeIDstart,routeIDend) values (?,?,?)",(i,route[0],route[1])) |
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|
613 |
|
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|
614 connection.commit() |
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|
615 connection.close() |
|
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|
616 |
|
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|
617 def loadRoutesFromSqlite(filename): |
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618 Routes = {} |
|
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|
619 |
|
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|
620 connection = sqlite3.connect(filename) |
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|
621 cursor = connection.cursor() |
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|
622 |
|
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|
623 try: |
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|
624 cursor.execute('SELECT * from routes order by object_id, routeIDstart,routeIDend') |
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|
625 except sqlite3.OperationalError as error: |
|
773
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|
626 printDBError(error) |
|
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627 return [] |
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|
628 |
|
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|
629 for row in cursor: |
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|
630 route=(row[1],row[2]) |
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|
631 if route not in Routes.keys(): |
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|
632 Routes[route]=[] |
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|
633 Routes[route].append(row[0]) |
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|
634 |
|
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|
635 connection.close() |
|
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|
636 return Routes |
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|
637 |
|
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|
638 def setRoutes(filename, objects): |
|
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|
639 connection = sqlite3.connect(filename) |
|
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640 cursor = connection.cursor() |
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641 for obj in objects: |
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642 cursor.execute('update objects set startRouteID = {} WHERE object_id = {}'.format(obj.startRouteID, obj.getNum())) |
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643 cursor.execute('update objects set endRouteID = {} WHERE object_id = {}'.format(obj.endRouteID, obj.getNum())) |
|
736
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644 connection.commit() |
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645 connection.close() |
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646 |
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647 def setRoadUserTypes(filename, objects): |
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648 '''Saves the user types of the objects in the sqlite database stored in filename |
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649 The objects should exist in the objects table''' |
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650 connection = sqlite3.connect(filename) |
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651 cursor = connection.cursor() |
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652 for obj in objects: |
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653 cursor.execute('update objects set road_user_type = {} WHERE object_id = {}'.format(obj.getUserType(), obj.getNum())) |
|
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654 connection.commit() |
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655 connection.close() |
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656 |
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657 ######################### |
|
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658 # txt files |
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659 ######################### |
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660 |
|
525
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661 def openCheck(filename, option = 'r', quitting = False): |
|
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662 '''Open file filename in read mode by default |
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663 and checks it is open''' |
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664 try: |
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665 return open(filename, option) |
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666 except IOError: |
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667 print 'File %s could not be opened.' % filename |
|
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668 if quitting: |
|
509
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669 from sys import exit |
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670 exit() |
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671 return None |
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672 |
|
564
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673 def readline(f, commentCharacters = commentChar): |
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674 '''Modified readline function to skip comments |
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675 Can take a list of characters or a string (in will work in both)''' |
|
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676 s = f.readline() |
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677 while (len(s) > 0) and s[0] in commentCharacters: |
|
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678 s = f.readline() |
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679 return s.strip() |
|
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|
680 |
|
722
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681 def getLines(f, delimiterChar = delimiterChar, commentCharacters = commentChar): |
|
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682 '''Gets a complete entry (all the lines) in between delimiterChar.''' |
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683 dataStrings = [] |
|
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684 s = readline(f, commentCharacters) |
|
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685 while len(s) > 0 and s[0] != delimiterChar: |
|
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686 dataStrings += [s.strip()] |
|
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687 s = readline(f, commentCharacters) |
|
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|
688 return dataStrings |
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|
689 |
|
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690 def writeList(filename, l): |
|
514
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|
691 f = openCheck(filename, 'w') |
|
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692 for x in l: |
|
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693 f.write('{}\n'.format(x)) |
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694 f.close() |
|
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|
695 |
|
564
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|
696 def loadListStrings(filename, commentCharacters = commentChar): |
|
514
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697 f = openCheck(filename, 'r') |
|
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698 result = getLines(f, commentCharacters) |
|
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699 f.close() |
|
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700 return result |
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|
701 |
|
564
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|
702 def getValuesFromINIFile(filename, option, delimiterChar = '=', commentCharacters = commentChar): |
|
509
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703 values = [] |
|
564
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|
704 for l in loadListStrings(filename, commentCharacters): |
|
509
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|
705 if l.startswith(option): |
|
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|
706 values.append(l.split(delimiterChar)[1].strip()) |
|
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|
707 return values |
|
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diff
changeset
|
708 |
|
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diff
changeset
|
709 class FakeSecHead(object): |
|
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
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|
710 '''Add fake section header [asection] |
|
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corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
711 |
|
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
712 from http://stackoverflow.com/questions/2819696/parsing-properties-file-in-python/2819788#2819788 |
|
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parents:
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diff
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|
713 use read_file in Python 3.2+ |
|
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
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diff
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|
714 ''' |
|
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diff
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|
715 def __init__(self, fp): |
|
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716 self.fp = fp |
|
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|
717 self.sechead = '[main]\n' |
|
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parents:
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diff
changeset
|
718 |
|
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491
diff
changeset
|
719 def readline(self): |
|
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
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diff
changeset
|
720 if self.sechead: |
|
935430b1d408
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
721 try: return self.sechead |
|
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
722 finally: self.sechead = None |
|
935430b1d408
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
723 else: return self.fp.readline() |
|
935430b1d408
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
724 |
|
649
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
725 def generatePDLaneColumn(data): |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
726 data['LANE'] = data['LANE\LINK\NO'].astype(str)+'_'+data['LANE\INDEX'].astype(str) |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
727 |
|
750
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
728 def convertTrajectoriesVissimToSqlite(filename): |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
729 '''Relies on a system call to sqlite3 |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
730 sqlite3 [file.sqlite] < import_fzp.sql''' |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
731 sqlScriptFilename = "import_fzp.sql" |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
732 # create sql file |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
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diff
changeset
|
733 out = openCheck(sqlScriptFilename, "w") |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
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diff
changeset
|
734 out.write(".separator \";\"\n"+ |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
735 "CREATE TABLE IF NOT EXISTS curvilinear_positions (t REAL, trajectory_id INTEGER, link_id INTEGER, lane_id INTEGER, s_coordinate REAL, y_coordinate REAL, speed REAL, PRIMARY KEY (t, trajectory_id));\n"+ |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
736 ".import "+filename+" curvilinear_positions\n"+ |
|
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work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
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diff
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|
737 "DELETE FROM curvilinear_positions WHERE trajectory_id IS NULL OR trajectory_id = \"NO\";\n") |
|
6049e9b6902c
work in progress storage vissim sqlite
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parents:
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diff
changeset
|
738 out.close() |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
739 # system call |
|
753
3d48e34db846
switched to subprocess.check_call
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
752
diff
changeset
|
740 from subprocess import check_call |
|
3d48e34db846
switched to subprocess.check_call
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
752
diff
changeset
|
741 out = openCheck("err.log", "w") |
|
3d48e34db846
switched to subprocess.check_call
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
752
diff
changeset
|
742 check_call("sqlite3 "+utils.removeExtension(filename)+".sqlite < "+sqlScriptFilename, stderr = out, shell = True) |
|
3d48e34db846
switched to subprocess.check_call
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
752
diff
changeset
|
743 out.close() |
|
3d48e34db846
switched to subprocess.check_call
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
752
diff
changeset
|
744 shutil.os.remove(sqlScriptFilename) |
|
750
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
745 |
|
754
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
746 def loadObjectNumbersInLinkFromVissimFile(filename, linkIds): |
|
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
747 '''Finds the ids of the objects that go through any of the link in the list linkIds''' |
|
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
748 connection = sqlite3.connect(filename) |
|
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
749 cursor = connection.cursor() |
|
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
750 queryStatement = 'SELECT DISTINCT trajectory_id FROM curvilinear_positions where link_id IN ('+','.join([str(id) for id in linkIds])+')' |
|
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
751 try: |
|
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
752 cursor.execute(queryStatement) |
|
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
753 return [row[0] for row in cursor] |
|
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
754 except sqlite3.OperationalError as error: |
|
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
755 printDBError(error) |
|
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
756 |
|
759
a05b70f307dd
added function to count vehicles per VISSIM link
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
756
diff
changeset
|
757 def getNObjectsInLinkFromVissimFile(filename, linkIds): |
|
a05b70f307dd
added function to count vehicles per VISSIM link
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
756
diff
changeset
|
758 '''Returns the number of objects that traveled through the link ids''' |
|
a05b70f307dd
added function to count vehicles per VISSIM link
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
756
diff
changeset
|
759 connection = sqlite3.connect(filename) |
|
a05b70f307dd
added function to count vehicles per VISSIM link
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
756
diff
changeset
|
760 cursor = connection.cursor() |
|
a05b70f307dd
added function to count vehicles per VISSIM link
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
756
diff
changeset
|
761 queryStatement = 'SELECT link_id, COUNT(DISTINCT trajectory_id) FROM curvilinear_positions where link_id IN ('+','.join([str(id) for id in linkIds])+') GROUP BY link_id' |
|
a05b70f307dd
added function to count vehicles per VISSIM link
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
756
diff
changeset
|
762 try: |
|
a05b70f307dd
added function to count vehicles per VISSIM link
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
756
diff
changeset
|
763 cursor.execute(queryStatement) |
|
a05b70f307dd
added function to count vehicles per VISSIM link
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
756
diff
changeset
|
764 return {row[0]:row[1] for row in cursor} |
|
a05b70f307dd
added function to count vehicles per VISSIM link
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
756
diff
changeset
|
765 except sqlite3.OperationalError as error: |
|
a05b70f307dd
added function to count vehicles per VISSIM link
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
756
diff
changeset
|
766 printDBError(error) |
|
754
782e8fd3672c
added function to find object ids going through some vissim links
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
753
diff
changeset
|
767 |
|
750
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
768 def loadTrajectoriesFromVissimFile(filename, simulationStepsPerTimeUnit, objectNumbers = None, warmUpLastInstant = None, usePandas = False, nDecimals = 2, lowMemory = True): |
|
525
7124c7d2a663
first draft of loading from VISSIM file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
524
diff
changeset
|
769 '''Reads data from VISSIM .fzp trajectory file |
|
755
f3aeb0b47eff
comment improvement: vissim time is multiplied to get integers similar to frame numbers
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
754
diff
changeset
|
770 simulationStepsPerTimeUnit is the number of simulation steps per unit of time used by VISSIM (second) |
|
f3aeb0b47eff
comment improvement: vissim time is multiplied to get integers similar to frame numbers
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
754
diff
changeset
|
771 for example, there seems to be 10 simulation steps per simulated second in VISSIM, |
|
f3aeb0b47eff
comment improvement: vissim time is multiplied to get integers similar to frame numbers
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
754
diff
changeset
|
772 so simulationStepsPerTimeUnit should be 10, |
|
527
37830a831818
loading from VISSIM trajectory data works
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
526
diff
changeset
|
773 so that all times correspond to the number of the simulation step (and can be stored as integers) |
|
660
994dd644f6ab
corrected impact of warmUpLastInstant
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
649
diff
changeset
|
774 |
|
994dd644f6ab
corrected impact of warmUpLastInstant
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
649
diff
changeset
|
775 Objects positions will be considered only after warmUpLastInstant |
|
994dd644f6ab
corrected impact of warmUpLastInstant
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
649
diff
changeset
|
776 (if the object has no such position, it won't be loaded) |
|
525
7124c7d2a663
first draft of loading from VISSIM file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
524
diff
changeset
|
777 |
|
752
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
778 Assumed to be sorted over time |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
779 Warning: if reading from SQLite a limited number of objects, objectNumbers will be the maximum object id''' |
|
525
7124c7d2a663
first draft of loading from VISSIM file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
524
diff
changeset
|
780 objects = {} # dictionary of objects index by their id |
|
7124c7d2a663
first draft of loading from VISSIM file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
524
diff
changeset
|
781 |
|
636
3058e00887bc
removed all issues because of tests with None, using is instead of == or !=
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
628
diff
changeset
|
782 if usePandas: |
|
718
2cd245cb780d
added option to set low_memory = False for pandas.read_csv
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
714
diff
changeset
|
783 data = read_csv(filename, delimiter=';', comment='*', header=0, skiprows = 1, low_memory = lowMemory) |
|
649
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
784 generatePDLaneColumn(data) |
|
642
932f96c89212
added pandas to read vissim fzp (more robust with respect to column names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
636
diff
changeset
|
785 data['TIME'] = data['$VEHICLE:SIMSEC']*simulationStepsPerTimeUnit |
|
660
994dd644f6ab
corrected impact of warmUpLastInstant
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
649
diff
changeset
|
786 if warmUpLastInstant is not None: |
|
994dd644f6ab
corrected impact of warmUpLastInstant
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
649
diff
changeset
|
787 data = data[data['TIME']>=warmUpLastInstant] |
|
642
932f96c89212
added pandas to read vissim fzp (more robust with respect to column names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
636
diff
changeset
|
788 grouped = data.loc[:,['NO','TIME']].groupby(['NO'], as_index = False) |
|
704
f83d125d0c55
cleaning of storage.py and addition of type conversion for VISSIM files (from Laurent Gauthier)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
702
diff
changeset
|
789 instants = grouped['TIME'].agg({'first': npmin, 'last': npmax}) |
|
642
932f96c89212
added pandas to read vissim fzp (more robust with respect to column names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
636
diff
changeset
|
790 for row_index, row in instants.iterrows(): |
|
932f96c89212
added pandas to read vissim fzp (more robust with respect to column names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
636
diff
changeset
|
791 objNum = int(row['NO']) |
|
932f96c89212
added pandas to read vissim fzp (more robust with respect to column names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
636
diff
changeset
|
792 tmp = data[data['NO'] == objNum] |
|
932f96c89212
added pandas to read vissim fzp (more robust with respect to column names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
636
diff
changeset
|
793 objects[objNum] = moving.MovingObject(num = objNum, timeInterval = moving.TimeInterval(row['first'], row['last'])) |
|
932f96c89212
added pandas to read vissim fzp (more robust with respect to column names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
636
diff
changeset
|
794 # positions should be rounded to nDecimals decimals only |
|
704
f83d125d0c55
cleaning of storage.py and addition of type conversion for VISSIM files (from Laurent Gauthier)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
702
diff
changeset
|
795 objects[objNum].curvilinearPositions = moving.CurvilinearTrajectory(S = npround(tmp['POS'].tolist(), nDecimals), Y = npround(tmp['POSLAT'].tolist(), nDecimals), lanes = tmp['LANE'].tolist()) |
|
750
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
796 if objectNumbers is not None and objectNumbers > 0 and len(objects) >= objectNumbers: |
|
752
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
797 objects.values() |
|
636
3058e00887bc
removed all issues because of tests with None, using is instead of == or !=
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
628
diff
changeset
|
798 else: |
|
750
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
799 if filename.endswith(".fzp"): |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
800 inputfile = openCheck(filename, quitting = True) |
|
636
3058e00887bc
removed all issues because of tests with None, using is instead of == or !=
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
628
diff
changeset
|
801 line = readline(inputfile, '*$') |
|
750
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
802 while len(line) > 0:#for line in inputfile: |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
803 data = line.strip().split(';') |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
804 objNum = int(data[1]) |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
805 instant = float(data[0])*simulationStepsPerTimeUnit |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
806 s = float(data[4]) |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
807 y = float(data[5]) |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
808 lane = data[2]+'_'+data[3] |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
809 if objNum not in objects: |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
810 if warmUpLastInstant is None or instant >= warmUpLastInstant: |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
811 if objectNumbers is None or len(objects) < objectNumbers: |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
812 objects[objNum] = moving.MovingObject(num = objNum, timeInterval = moving.TimeInterval(instant, instant)) |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
813 objects[objNum].curvilinearPositions = moving.CurvilinearTrajectory() |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
814 if (warmUpLastInstant is None or instant >= warmUpLastInstant) and objNum in objects: |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
815 objects[objNum].timeInterval.last = instant |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
816 objects[objNum].curvilinearPositions.addPositionSYL(s, y, lane) |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
817 line = readline(inputfile, '*$') |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
818 elif filename.endswith(".sqlite"): |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
819 connection = sqlite3.connect(filename) |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
820 cursor = connection.cursor() |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
821 queryStatement = 'SELECT t, trajectory_id, link_id, lane_id, s_coordinate, y_coordinate FROM curvilinear_positions' |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
822 if objectNumbers is not None: |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
823 queryStatement += ' WHERE trajectory_id '+getObjectCriteria(objectNumbers) |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
824 queryStatement += ' ORDER BY trajectory_id, t' |
|
752
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
825 try: |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
826 cursor.execute(queryStatement) |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
827 for row in cursor: |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
828 objNum = row[1] |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
829 instant = row[0]*simulationStepsPerTimeUnit |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
830 s = row[4] |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
831 y = row[5] |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
832 lane = '{}_{}'.format(row[2], row[3]) |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
833 if objNum not in objects: |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
834 if warmUpLastInstant is None or instant >= warmUpLastInstant: |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
835 if objectNumbers is None or len(objects) < objectNumbers: |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
836 objects[objNum] = moving.MovingObject(num = objNum, timeInterval = moving.TimeInterval(instant, instant)) |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
837 objects[objNum].curvilinearPositions = moving.CurvilinearTrajectory() |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
838 if (warmUpLastInstant is None or instant >= warmUpLastInstant) and objNum in objects: |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
839 objects[objNum].timeInterval.last = instant |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
840 objects[objNum].curvilinearPositions.addPositionSYL(s, y, lane) |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
841 except sqlite3.OperationalError as error: |
|
14963a9c3b09
debug finished
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
751
diff
changeset
|
842 printDBError(error) |
|
750
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
843 else: |
|
6049e9b6902c
work in progress storage vissim sqlite
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
744
diff
changeset
|
844 print("File type of "+filename+" not supported (only .sqlite and .fzp files)") |
| 751 | 845 return objects.values() |
|
645
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
846 |
|
649
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
847 def selectPDLanes(data, lanes = None): |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
848 '''Selects the subset of data for the right lanes |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
849 |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
850 Lane format is a string 'x_y' where x is link index and y is lane index''' |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
851 if lanes is not None: |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
852 if 'LANE' not in data.columns: |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
853 generatePDLaneColumn(data) |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
854 indices = (data['LANE'] == lanes[0]) |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
855 for l in lanes[1:]: |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
856 indices = indices | (data['LANE'] == l) |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
857 return data[indices] |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
858 else: |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
859 return data |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
860 |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
861 def countStoppedVehiclesVissim(filename, lanes = None, proportionStationaryTime = 0.7): |
|
646
6680a69d5bf3
added fast function to detect VISSIM simulations with errors
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
645
diff
changeset
|
862 '''Counts the number of vehicles stopped for a long time in a VISSIM trajectory file |
|
6680a69d5bf3
added fast function to detect VISSIM simulations with errors
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
645
diff
changeset
|
863 and the total number of vehicles |
|
6680a69d5bf3
added fast function to detect VISSIM simulations with errors
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
645
diff
changeset
|
864 |
|
6680a69d5bf3
added fast function to detect VISSIM simulations with errors
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
645
diff
changeset
|
865 Vehicles are considered finally stationary |
|
649
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
866 if more than proportionStationaryTime of their total time |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
867 If lanes is not None, only the data for the selected lanes will be provided |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
868 (format as string x_y where x is link index and y is lane index)''' |
|
756
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
869 if filename.endswith(".fzp"): |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
870 columns = ['NO', '$VEHICLE:SIMSEC', 'POS'] |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
871 if lanes is not None: |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
872 columns += ['LANE\LINK\NO', 'LANE\INDEX'] |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
873 data = read_csv(filename, delimiter=';', comment='*', header=0, skiprows = 1, usecols = columns, low_memory = lowMemory) |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
874 data = selectPDLanes(data, lanes) |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
875 data.sort(['$VEHICLE:SIMSEC'], inplace = True) |
|
646
6680a69d5bf3
added fast function to detect VISSIM simulations with errors
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
645
diff
changeset
|
876 |
|
756
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
877 nStationary = 0 |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
878 nVehicles = 0 |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
879 for name, group in data.groupby(['NO'], sort = False): |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
880 nVehicles += 1 |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
881 positions = array(group['POS']) |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
882 diff = positions[1:]-positions[:-1] |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
883 if npsum(diff == 0.) >= proportionStationaryTime*(len(positions)-1): |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
884 nStationary += 1 |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
885 elif filename.endswith(".sqlite"): |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
886 # select trajectory_id, t, s_coordinate, speed from curvilinear_positions where trajectory_id between 1860 and 1870 and speed < 0.1 |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
887 # pb of the meaning of proportionStationaryTime in arterial network? Why proportion of existence time? |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
888 pass |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
889 else: |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
890 print("File type of "+filename+" not supported (only .sqlite and .fzp files)") |
|
646
6680a69d5bf3
added fast function to detect VISSIM simulations with errors
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
645
diff
changeset
|
891 |
|
6680a69d5bf3
added fast function to detect VISSIM simulations with errors
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
645
diff
changeset
|
892 return nStationary, nVehicles |
|
6680a69d5bf3
added fast function to detect VISSIM simulations with errors
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
645
diff
changeset
|
893 |
|
744
ed6ff2ec0aeb
bug correction from Laurent Gauthier
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
740
diff
changeset
|
894 def countCollisionsVissim(filename, lanes = None, collisionTimeDifference = 0.2, lowMemory = True): |
|
645
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
895 '''Counts the number of collisions per lane in a VISSIM trajectory file |
|
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
896 |
|
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
897 To distinguish between cars passing and collision, |
|
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
898 one checks when the sign of the position difference inverts |
|
649
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
899 (if the time are closer than collisionTimeDifference) |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
900 If lanes is not None, only the data for the selected lanes will be provided |
|
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
901 (format as string x_y where x is link index and y is lane index)''' |
|
718
2cd245cb780d
added option to set low_memory = False for pandas.read_csv
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
714
diff
changeset
|
902 data = read_csv(filename, delimiter=';', comment='*', header=0, skiprows = 1, usecols = ['LANE\LINK\NO', 'LANE\INDEX', '$VEHICLE:SIMSEC', 'NO', 'POS'], low_memory = lowMemory) |
|
649
df9ddeaee4a6
added ability to select lanes to count collisions or stationary vehicles in VISSIM files
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
647
diff
changeset
|
903 data = selectPDLanes(data, lanes) |
|
744
ed6ff2ec0aeb
bug correction from Laurent Gauthier
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
740
diff
changeset
|
904 data = data.convert_objects(convert_numeric=True) |
|
ed6ff2ec0aeb
bug correction from Laurent Gauthier
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
740
diff
changeset
|
905 |
|
645
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
906 merged = merge(data, data, how='inner', left_on=['LANE\LINK\NO', 'LANE\INDEX', '$VEHICLE:SIMSEC'], right_on=['LANE\LINK\NO', 'LANE\INDEX', '$VEHICLE:SIMSEC'], sort = False) |
|
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
907 merged = merged[merged['NO_x']>merged['NO_y']] |
|
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
908 |
|
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
909 nCollisions = 0 |
|
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
910 for name, group in merged.groupby(['LANE\LINK\NO', 'LANE\INDEX', 'NO_x', 'NO_y']): |
|
744
ed6ff2ec0aeb
bug correction from Laurent Gauthier
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
740
diff
changeset
|
911 diff = group['POS_x']-group['POS_y'] |
|
704
f83d125d0c55
cleaning of storage.py and addition of type conversion for VISSIM files (from Laurent Gauthier)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
702
diff
changeset
|
912 # diff = group['POS_x']-group['POS_y'] # to check the impact of convert_objects and the possibility of using type conversion in read_csv or function to convert strings if any |
|
f83d125d0c55
cleaning of storage.py and addition of type conversion for VISSIM files (from Laurent Gauthier)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
702
diff
changeset
|
913 if len(diff) >= 2 and npmin(diff) < 0 and npmax(diff) > 0: |
|
645
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
914 xidx = diff[diff < 0].argmax() |
|
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
915 yidx = diff[diff > 0].argmin() |
|
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
916 if abs(group.loc[xidx, '$VEHICLE:SIMSEC'] - group.loc[yidx, '$VEHICLE:SIMSEC']) <= collisionTimeDifference: |
|
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
917 nCollisions += 1 |
|
756
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
918 |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
919 # select TD1.link_id, TD1.lane_id from temp.diff_positions as TD1, temp.diff_positions as TD2 where TD1.link_id = TD2.link_id and TD1.lane_id = TD2.lane_id and TD1.id1 = TD2.id1 and TD1.id2 = TD2.id2 and TD1.t = TD2.t+0.1 and TD1.diff*TD2.diff < 0; # besoin de faire un group by?? |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
920 # create temp table diff_positions as select CP1.t as t, CP1.link_id as link_id, CP1.lane_id as lane_id, CP1.trajectory_id as id1, CP2.trajectory_id as id2, CP1.s_coordinate - CP2.s_coordinate as diff from curvilinear_positions CP1, curvilinear_positions CP2 where CP1.link_id = CP2.link_id and CP1.lane_id = CP2.lane_id and CP1.t = CP2.t and CP1.trajectory_id > CP2.trajectory_id; |
|
a73f43aac00e
moved pandas imports, sql in comments
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
755
diff
changeset
|
921 # SQL select link_id, lane_id, id1, id2, min(diff), max(diff) from (select CP1.t as t, CP1.link_id as link_id, CP1.lane_id as lane_id, CP1.trajectory_id as id1, CP2.trajectory_id as id2, CP1.s_coordinate - CP2.s_coordinate as diff from curvilinear_positions CP1, curvilinear_positions CP2 where CP1.link_id = CP2.link_id and CP1.lane_id = CP2.lane_id and CP1.t = CP2.t and CP1.trajectory_id > CP2.trajectory_id) group by link_id, lane_id, id1, id2 having min(diff)*max(diff) < 0 |
|
645
5ed2118c959d
added function to count collisions in vissim
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
643
diff
changeset
|
922 return nCollisions |
|
524
1dced8932b08
corrected bugs
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
514
diff
changeset
|
923 |
|
173
319a04ba9033
function name change
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
143
diff
changeset
|
924 def loadTrajectoriesFromNgsimFile(filename, nObjects = -1, sequenceNum = -1): |
|
0
aed8eb63cdde
initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
925 '''Reads data from the trajectory data provided by NGSIM project |
|
aed8eb63cdde
initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
926 and returns the list of Feature objects''' |
|
7
ffddccfab7f9
loading shell objects from NGSIM works
Nicolas Saunier <nico@confins.net>
parents:
0
diff
changeset
|
927 objects = [] |
|
0
aed8eb63cdde
initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
928 |
|
564
36605d843be5
modified bug for reading vissim files, cleaned use of readline with multiple type of characters for comments (to ignore)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
552
diff
changeset
|
929 inputfile = openCheck(filename, quitting = True) |
|
0
aed8eb63cdde
initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
930 |
|
7
ffddccfab7f9
loading shell objects from NGSIM works
Nicolas Saunier <nico@confins.net>
parents:
0
diff
changeset
|
931 def createObject(numbers): |
|
0
aed8eb63cdde
initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
932 firstFrameNum = int(numbers[1]) |
|
7
ffddccfab7f9
loading shell objects from NGSIM works
Nicolas Saunier <nico@confins.net>
parents:
0
diff
changeset
|
933 # do the geometry and usertype |
|
ffddccfab7f9
loading shell objects from NGSIM works
Nicolas Saunier <nico@confins.net>
parents:
0
diff
changeset
|
934 |
|
72
575340e6fce3
corrected most of the method to load NGSIM data (adapted to the current MovingObject class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
935 firstFrameNum = int(numbers[1]) |
|
575340e6fce3
corrected most of the method to load NGSIM data (adapted to the current MovingObject class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
936 lastFrameNum = firstFrameNum+int(numbers[2])-1 |
|
575340e6fce3
corrected most of the method to load NGSIM data (adapted to the current MovingObject class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
937 #time = moving.TimeInterval(firstFrameNum, firstFrameNum+int(numbers[2])-1) |
|
575340e6fce3
corrected most of the method to load NGSIM data (adapted to the current MovingObject class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
938 obj = moving.MovingObject(num = int(numbers[0]), |
|
575340e6fce3
corrected most of the method to load NGSIM data (adapted to the current MovingObject class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
939 timeInterval = moving.TimeInterval(firstFrameNum, lastFrameNum), |
|
575340e6fce3
corrected most of the method to load NGSIM data (adapted to the current MovingObject class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
940 positions = moving.Trajectory([[float(numbers[6])],[float(numbers[7])]]), |
|
575340e6fce3
corrected most of the method to load NGSIM data (adapted to the current MovingObject class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
941 userType = int(numbers[10])) |
|
78
99e807c29753
added loading other information from NGSIM
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
72
diff
changeset
|
942 obj.userType = int(numbers[10]) |
|
99e807c29753
added loading other information from NGSIM
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
72
diff
changeset
|
943 obj.laneNums = [int(numbers[13])] |
|
99e807c29753
added loading other information from NGSIM
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
72
diff
changeset
|
944 obj.precedingVehicles = [int(numbers[14])] # lead vehicle (before) |
|
99e807c29753
added loading other information from NGSIM
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
72
diff
changeset
|
945 obj.followingVehicles = [int(numbers[15])] # following vehicle (after) |
|
99e807c29753
added loading other information from NGSIM
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
72
diff
changeset
|
946 obj.spaceHeadways = [float(numbers[16])] # feet |
|
99e807c29753
added loading other information from NGSIM
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
72
diff
changeset
|
947 obj.timeHeadways = [float(numbers[17])] # seconds |
|
327
42f2b46ec210
added class for trajectories in curvilinear coordinates
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
326
diff
changeset
|
948 obj.curvilinearPositions = moving.CurvilinearTrajectory([float(numbers[5])],[float(numbers[4])], obj.laneNums) # X is the longitudinal coordinate |
|
72
575340e6fce3
corrected most of the method to load NGSIM data (adapted to the current MovingObject class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
949 obj.speeds = [float(numbers[11])] |
|
575340e6fce3
corrected most of the method to load NGSIM data (adapted to the current MovingObject class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
950 obj.size = [float(numbers[8]), float(numbers[9])] # 8 lengh, 9 width # TODO: temporary, should use a geometry object |
|
7
ffddccfab7f9
loading shell objects from NGSIM works
Nicolas Saunier <nico@confins.net>
parents:
0
diff
changeset
|
951 return obj |
|
0
aed8eb63cdde
initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
952 |
|
564
36605d843be5
modified bug for reading vissim files, cleaned use of readline with multiple type of characters for comments (to ignore)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
552
diff
changeset
|
953 numbers = readline(inputfile).strip().split() |
|
0
aed8eb63cdde
initial commit with non-functional python code for NGSIM
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parents:
diff
changeset
|
954 if (len(numbers) > 0): |
|
7
ffddccfab7f9
loading shell objects from NGSIM works
Nicolas Saunier <nico@confins.net>
parents:
0
diff
changeset
|
955 obj = createObject(numbers) |
|
0
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initial commit with non-functional python code for NGSIM
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parents:
diff
changeset
|
956 |
|
564
36605d843be5
modified bug for reading vissim files, cleaned use of readline with multiple type of characters for comments (to ignore)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
552
diff
changeset
|
957 for line in inputfile: |
|
0
aed8eb63cdde
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parents:
diff
changeset
|
958 numbers = line.strip().split() |
|
329
a70c205ebdd9
added sqlite code, in particular to load and save road user type
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
327
diff
changeset
|
959 if obj.getNum() != int(numbers[0]): |
|
0
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parents:
diff
changeset
|
960 # check and adapt the length to deal with issues in NGSIM data |
|
72
575340e6fce3
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parents:
50
diff
changeset
|
961 if (obj.length() != obj.positions.length()): |
|
329
a70c205ebdd9
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parents:
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diff
changeset
|
962 print 'length pb with object %s (%d,%d)' % (obj.getNum(),obj.length(),obj.positions.length()) |
|
72
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parents:
50
diff
changeset
|
963 obj.last = obj.getFirstInstant()+obj.positions.length()-1 |
|
575340e6fce3
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parents:
50
diff
changeset
|
964 #obj.velocities = utils.computeVelocities(f.positions) # compare norm to speeds ? |
|
7
ffddccfab7f9
loading shell objects from NGSIM works
Nicolas Saunier <nico@confins.net>
parents:
0
diff
changeset
|
965 objects.append(obj) |
|
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loading shell objects from NGSIM works
Nicolas Saunier <nico@confins.net>
parents:
0
diff
changeset
|
966 if (nObjects>0) and (len(objects)>=nObjects): |
|
0
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parents:
diff
changeset
|
967 break |
|
7
ffddccfab7f9
loading shell objects from NGSIM works
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parents:
0
diff
changeset
|
968 obj = createObject(numbers) |
|
0
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parents:
diff
changeset
|
969 else: |
|
327
42f2b46ec210
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parents:
326
diff
changeset
|
970 obj.laneNums.append(int(numbers[13])) |
|
72
575340e6fce3
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
971 obj.positions.addPositionXY(float(numbers[6]), float(numbers[7])) |
|
542
a3add9f751ef
added differentiate function for curvilinear trajectories and modified the addPosition functions
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
541
diff
changeset
|
972 obj.curvilinearPositions.addPositionSYL(float(numbers[5]), float(numbers[4]), obj.laneNums[-1]) |
|
72
575340e6fce3
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
973 obj.speeds.append(float(numbers[11])) |
|
78
99e807c29753
added loading other information from NGSIM
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parents:
72
diff
changeset
|
974 obj.precedingVehicles.append(int(numbers[14])) |
|
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added loading other information from NGSIM
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parents:
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diff
changeset
|
975 obj.followingVehicles.append(int(numbers[15])) |
|
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added loading other information from NGSIM
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parents:
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diff
changeset
|
976 obj.spaceHeadways.append(float(numbers[16])) |
|
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added loading other information from NGSIM
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parents:
72
diff
changeset
|
977 obj.timeHeadways.append(float(numbers[17])) |
|
7
ffddccfab7f9
loading shell objects from NGSIM works
Nicolas Saunier <nico@confins.net>
parents:
0
diff
changeset
|
978 |
|
72
575340e6fce3
corrected most of the method to load NGSIM data (adapted to the current MovingObject class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
50
diff
changeset
|
979 if (obj.size[0] != float(numbers[8])): |
|
329
a70c205ebdd9
added sqlite code, in particular to load and save road user type
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
327
diff
changeset
|
980 print 'changed length obj %d' % (obj.getNum()) |
|
72
575340e6fce3
corrected most of the method to load NGSIM data (adapted to the current MovingObject class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
981 if (obj.size[1] != float(numbers[9])): |
|
329
a70c205ebdd9
added sqlite code, in particular to load and save road user type
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parents:
327
diff
changeset
|
982 print 'changed width obj %d' % (obj.getNum()) |
|
0
aed8eb63cdde
initial commit with non-functional python code for NGSIM
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parents:
diff
changeset
|
983 |
|
564
36605d843be5
modified bug for reading vissim files, cleaned use of readline with multiple type of characters for comments (to ignore)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
552
diff
changeset
|
984 inputfile.close() |
|
7
ffddccfab7f9
loading shell objects from NGSIM works
Nicolas Saunier <nico@confins.net>
parents:
0
diff
changeset
|
985 return objects |
|
0
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initial commit with non-functional python code for NGSIM
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parents:
diff
changeset
|
986 |
|
564
36605d843be5
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parents:
552
diff
changeset
|
987 def convertNgsimFile(inputfile, outputfile, append = False, nObjects = -1, sequenceNum = 0): |
|
0
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parents:
diff
changeset
|
988 '''Reads data from the trajectory data provided by NGSIM project |
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aed8eb63cdde
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parents:
diff
changeset
|
989 and converts to our current format.''' |
|
aed8eb63cdde
initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
990 if append: |
|
564
36605d843be5
modified bug for reading vissim files, cleaned use of readline with multiple type of characters for comments (to ignore)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
552
diff
changeset
|
991 out = openCheck(outputfile,'a') |
|
0
aed8eb63cdde
initial commit with non-functional python code for NGSIM
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parents:
diff
changeset
|
992 else: |
|
564
36605d843be5
modified bug for reading vissim files, cleaned use of readline with multiple type of characters for comments (to ignore)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
552
diff
changeset
|
993 out = openCheck(outputfile,'w') |
|
0
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initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
994 nObjectsPerType = [0,0,0] |
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initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
995 |
|
564
36605d843be5
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
552
diff
changeset
|
996 features = loadNgsimFile(inputfile, sequenceNum) |
|
0
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initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
997 for f in features: |
|
aed8eb63cdde
initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
998 nObjectsPerType[f.userType-1] += 1 |
|
aed8eb63cdde
initial commit with non-functional python code for NGSIM
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parents:
diff
changeset
|
999 f.write(out) |
|
aed8eb63cdde
initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
1000 |
|
aed8eb63cdde
initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
1001 print nObjectsPerType |
|
aed8eb63cdde
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parents:
diff
changeset
|
1002 |
|
aed8eb63cdde
initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff
changeset
|
1003 out.close() |
|
aed8eb63cdde
initial commit with non-functional python code for NGSIM
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parents:
diff
changeset
|
1004 |
|
335
3950bfe22768
added functions to export trajectories to csv
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parents:
330
diff
changeset
|
1005 def writePositionsToCsv(f, obj): |
|
3950bfe22768
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parents:
330
diff
changeset
|
1006 timeInterval = obj.getTimeInterval() |
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3950bfe22768
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parents:
330
diff
changeset
|
1007 positions = obj.getPositions() |
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3950bfe22768
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parents:
330
diff
changeset
|
1008 curvilinearPositions = obj.getCurvilinearPositions() |
|
3950bfe22768
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
330
diff
changeset
|
1009 for i in xrange(int(obj.length())): |
|
3950bfe22768
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parents:
330
diff
changeset
|
1010 p1 = positions[i] |
|
3950bfe22768
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parents:
330
diff
changeset
|
1011 s = '{},{},{},{}'.format(obj.num,timeInterval[i],p1.x,p1.y) |
|
636
3058e00887bc
removed all issues because of tests with None, using is instead of == or !=
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
628
diff
changeset
|
1012 if curvilinearPositions is not None: |
|
335
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parents:
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diff
changeset
|
1013 p2 = curvilinearPositions[i] |
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3950bfe22768
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parents:
330
diff
changeset
|
1014 s += ',{},{}'.format(p2[0],p2[1]) |
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3950bfe22768
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parents:
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diff
changeset
|
1015 f.write(s+'\n') |
|
3950bfe22768
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parents:
330
diff
changeset
|
1016 |
|
3950bfe22768
added functions to export trajectories to csv
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parents:
330
diff
changeset
|
1017 def writeTrajectoriesToCsv(filename, objects): |
|
514
1ba618fb0f70
corrected bug from merging and argument issue in display-trajectories
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
509
diff
changeset
|
1018 f = openCheck(filename, 'w') |
|
335
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
330
diff
changeset
|
1019 for i,obj in enumerate(objects): |
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added functions to export trajectories to csv
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parents:
330
diff
changeset
|
1020 writePositionsToCsv(f, obj) |
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added functions to export trajectories to csv
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parents:
330
diff
changeset
|
1021 f.close() |
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330
diff
changeset
|
1022 |
|
509
935430b1d408
corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1023 |
|
935430b1d408
corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1024 ######################### |
|
935430b1d408
corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1025 # Utils to read .ini type text files for configuration, meta data... |
|
935430b1d408
corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1026 ######################### |
|
935430b1d408
corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1027 |
|
664
455f9b93819c
added capability to set a videofilename to movingobject and interaction, renames interactiontype to collision in interaction
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
660
diff
changeset
|
1028 class ProcessParameters(VideoFilenameAddable): |
|
537
6c264b914846
work on classification parameters
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
536
diff
changeset
|
1029 '''Class for all parameters controlling data processing: input, |
|
6c264b914846
work on classification parameters
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
536
diff
changeset
|
1030 method parameters, etc. for tracking, classification and safety |
|
509
935430b1d408
corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1031 |
|
935430b1d408
corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
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parents:
491
diff
changeset
|
1032 Note: framerate is already taken into account''' |
|
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corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
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parents:
491
diff
changeset
|
1033 |
|
935430b1d408
corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1034 def loadConfigFile(self, filename): |
|
935430b1d408
corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1035 from ConfigParser import ConfigParser |
|
935430b1d408
corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1036 from os import path |
|
935430b1d408
corrected mask bug in feature tracking, updated display-trajectories to display on undistorted image
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1037 |
|
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parents:
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changeset
|
1038 config = ConfigParser() |
|
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changeset
|
1039 config.readfp(FakeSecHead(openCheck(filename))) |
|
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changeset
|
1040 self.sectionHeader = config.sections()[0] |
|
537
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parents:
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diff
changeset
|
1041 # Tracking/display parameters |
|
509
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diff
changeset
|
1042 self.videoFilename = config.get(self.sectionHeader, 'video-filename') |
|
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diff
changeset
|
1043 self.databaseFilename = config.get(self.sectionHeader, 'database-filename') |
|
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parents:
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diff
changeset
|
1044 self.homographyFilename = config.get(self.sectionHeader, 'homography-filename') |
|
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parents:
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diff
changeset
|
1045 if (path.exists(self.homographyFilename)): |
|
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parents:
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diff
changeset
|
1046 self.homography = loadtxt(self.homographyFilename) |
|
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diff
changeset
|
1047 else: |
|
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parents:
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diff
changeset
|
1048 self.homography = None |
|
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changeset
|
1049 self.intrinsicCameraFilename = config.get(self.sectionHeader, 'intrinsic-camera-filename') |
|
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1050 if (path.exists(self.intrinsicCameraFilename)): |
|
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parents:
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diff
changeset
|
1051 self.intrinsicCameraMatrix = loadtxt(self.intrinsicCameraFilename) |
|
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parents:
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diff
changeset
|
1052 else: |
|
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
1053 self.intrinsicCameraMatrix = None |
|
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diff
changeset
|
1054 distortionCoefficients = getValuesFromINIFile(filename, 'distortion-coefficients', '=') |
|
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parents:
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diff
changeset
|
1055 self.distortionCoefficients = [float(x) for x in distortionCoefficients] |
|
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
1056 self.undistortedImageMultiplication = config.getfloat(self.sectionHeader, 'undistorted-size-multiplication') |
|
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parents:
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diff
changeset
|
1057 self.undistort = config.getboolean(self.sectionHeader, 'undistort') |
|
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parents:
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diff
changeset
|
1058 self.firstFrameNum = config.getint(self.sectionHeader, 'frame1') |
|
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
1059 self.videoFrameRate = config.getfloat(self.sectionHeader, 'video-fps') |
| 377 | 1060 |
|
537
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diff
changeset
|
1061 # Classification parameters |
|
680
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diff
changeset
|
1062 self.speedAggregationMethod = config.get(self.sectionHeader, 'speed-aggregation-method') |
|
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parents:
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diff
changeset
|
1063 self.nFramesIgnoreAtEnds = config.getint(self.sectionHeader, 'nframes-ignore-at-ends') |
|
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parents:
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diff
changeset
|
1064 self.speedAggregationQuantile = config.getint(self.sectionHeader, 'speed-aggregation-quantile') |
|
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classification is working
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parents:
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diff
changeset
|
1065 self.minSpeedEquiprobable = config.getfloat(self.sectionHeader, 'min-speed-equiprobable') |
|
685
94b291a5f933
several updates for display
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
680
diff
changeset
|
1066 self.minNPixels = config.getint(self.sectionHeader, 'min-npixels-crop') |
|
680
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diff
changeset
|
1067 self.pedBikeCarSVMFilename = config.get(self.sectionHeader, 'pbv-svm-filename') |
|
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parents:
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diff
changeset
|
1068 self.bikeCarSVMFilename = config.get(self.sectionHeader, 'bv-svm-filename') |
|
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diff
changeset
|
1069 self.maxPedestrianSpeed = config.getfloat(self.sectionHeader, 'max-ped-speed') |
|
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parents:
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diff
changeset
|
1070 self.maxCyclistSpeed = config.getfloat(self.sectionHeader, 'max-cyc-speed') |
|
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parents:
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diff
changeset
|
1071 self.meanPedestrianSpeed = config.getfloat(self.sectionHeader, 'mean-ped-speed') |
|
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diff
changeset
|
1072 self.stdPedestrianSpeed = config.getfloat(self.sectionHeader, 'std-ped-speed') |
|
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parents:
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diff
changeset
|
1073 self.locationCyclistSpeed = config.getfloat(self.sectionHeader, 'cyc-speed-loc') |
|
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parents:
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diff
changeset
|
1074 self.scaleCyclistSpeed = config.getfloat(self.sectionHeader, 'cyc-speed-scale') |
|
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parents:
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diff
changeset
|
1075 self.meanVehicleSpeed = config.getfloat(self.sectionHeader, 'mean-veh-speed') |
|
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parents:
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diff
changeset
|
1076 self.stdVehicleSpeed = config.getfloat(self.sectionHeader, 'std-veh-speed') |
|
537
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parents:
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diff
changeset
|
1077 |
|
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parents:
536
diff
changeset
|
1078 # Safety parameters |
|
509
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
1079 self.maxPredictedSpeed = config.getfloat(self.sectionHeader, 'max-predicted-speed')/3.6/self.videoFrameRate |
|
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parents:
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diff
changeset
|
1080 self.predictionTimeHorizon = config.getfloat(self.sectionHeader, 'prediction-time-horizon')*self.videoFrameRate |
|
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parents:
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diff
changeset
|
1081 self.collisionDistance = config.getfloat(self.sectionHeader, 'collision-distance') |
|
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parents:
491
diff
changeset
|
1082 self.crossingZones = config.getboolean(self.sectionHeader, 'crossing-zones') |
|
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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diff
changeset
|
1083 self.predictionMethod = config.get(self.sectionHeader, 'prediction-method') |
|
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parents:
491
diff
changeset
|
1084 self.nPredictedTrajectories = config.getint(self.sectionHeader, 'npredicted-trajectories') |
|
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parents:
491
diff
changeset
|
1085 self.maxNormalAcceleration = config.getfloat(self.sectionHeader, 'max-normal-acceleration')/self.videoFrameRate**2 |
|
935430b1d408
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parents:
491
diff
changeset
|
1086 self.maxNormalSteering = config.getfloat(self.sectionHeader, 'max-normal-steering')/self.videoFrameRate |
|
935430b1d408
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parents:
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diff
changeset
|
1087 self.minExtremeAcceleration = config.getfloat(self.sectionHeader, 'min-extreme-acceleration')/self.videoFrameRate**2 |
|
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parents:
491
diff
changeset
|
1088 self.maxExtremeAcceleration = config.getfloat(self.sectionHeader, 'max-extreme-acceleration')/self.videoFrameRate**2 |
|
935430b1d408
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
491
diff
changeset
|
1089 self.maxExtremeSteering = config.getfloat(self.sectionHeader, 'max-extreme-steering')/self.videoFrameRate |
|
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parents:
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diff
changeset
|
1090 self.useFeaturesForPrediction = config.getboolean(self.sectionHeader, 'use-features-prediction') |
|
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parents:
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diff
changeset
|
1091 |
|
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parents:
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diff
changeset
|
1092 def __init__(self, filename = None): |
|
636
3058e00887bc
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
628
diff
changeset
|
1093 if filename is not None: |
|
509
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diff
changeset
|
1094 self.loadConfigFile(filename) |
|
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diff
changeset
|
1095 |
|
680
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diff
changeset
|
1096 def convertToFrames(self, speedRatio = 3.6): |
|
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changeset
|
1097 '''Converts parameters with a relationship to time in 'native' frame time |
|
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diff
changeset
|
1098 speedRatio is the conversion from the speed unit in the config file |
|
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diff
changeset
|
1099 to the distance per second |
|
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diff
changeset
|
1100 |
|
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diff
changeset
|
1101 ie param(config file) = speedRatio x fps x param(used in program) |
|
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diff
changeset
|
1102 eg km/h = 3.6 (m/s to km/h) x frame/s x m/frame''' |
|
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diff
changeset
|
1103 denominator = self.videoFrameRate*speedRatio |
|
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diff
changeset
|
1104 denominator2 = denominator**2 |
|
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changeset
|
1105 self.minSpeedEquiprobable = self.minSpeedEquiprobable/denominator |
|
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changeset
|
1106 self.maxPedestrianSpeed = self.maxPedestrianSpeed/denominator |
|
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changeset
|
1107 self.maxCyclistSpeed = self.maxCyclistSpeed/denominator |
|
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changeset
|
1108 self.meanPedestrianSpeed = self.meanPedestrianSpeed/denominator |
|
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changeset
|
1109 self.stdPedestrianSpeed = self.stdPedestrianSpeed/denominator |
|
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diff
changeset
|
1110 self.meanVehicleSpeed = self.meanVehicleSpeed/denominator |
|
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changeset
|
1111 self.stdVehicleSpeed = self.stdVehicleSpeed/denominator |
|
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diff
changeset
|
1112 # special case for the lognormal distribution |
|
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changeset
|
1113 self.locationCyclistSpeed = self.locationCyclistSpeed-log(denominator) |
|
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diff
changeset
|
1114 #self.scaleCyclistSpeed = self.scaleCyclistSpeed |
|
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diff
changeset
|
1115 |
|
665
15e244d2a1b5
corrected bug with circular import for VideoFilenameAddable, moved to base module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
664
diff
changeset
|
1116 class SceneParameters(object): |
|
509
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changeset
|
1117 def __init__(self, config, sectionName): |
|
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changeset
|
1118 from ConfigParser import NoOptionError |
|
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changeset
|
1119 from ast import literal_eval |
|
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changeset
|
1120 try: |
|
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changeset
|
1121 self.sitename = config.get(sectionName, 'sitename') |
|
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diff
changeset
|
1122 self.databaseFilename = config.get(sectionName, 'data-filename') |
|
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changeset
|
1123 self.homographyFilename = config.get(sectionName, 'homography-filename') |
|
935430b1d408
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changeset
|
1124 self.calibrationFilename = config.get(sectionName, 'calibration-filename') |
|
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changeset
|
1125 self.videoFilename = config.get(sectionName, 'video-filename') |
|
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changeset
|
1126 self.frameRate = config.getfloat(sectionName, 'framerate') |
|
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changeset
|
1127 self.date = datetime.strptime(config.get(sectionName, 'date'), datetimeFormat) # 2011-06-22 11:00:39 |
|
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changeset
|
1128 self.translation = literal_eval(config.get(sectionName, 'translation')) # = [0.0, 0.0] |
|
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diff
changeset
|
1129 self.rotation = config.getfloat(sectionName, 'rotation') |
|
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parents:
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diff
changeset
|
1130 self.duration = config.getint(sectionName, 'duration') |
|
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diff
changeset
|
1131 except NoOptionError as e: |
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1132 print(e) |
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1133 print('Not a section for scene meta-data') |
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1134 |
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1135 @staticmethod |
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1136 def loadConfigFile(filename): |
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1137 from ConfigParser import ConfigParser |
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1138 config = ConfigParser() |
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1139 config.readfp(openCheck(filename)) |
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1140 configDict = dict() |
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1141 for sectionName in config.sections(): |
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1142 configDict[sectionName] = SceneParameters(config, sectionName) |
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1143 return configDict |
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1144 |
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1145 |
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1146 if __name__ == "__main__": |
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1147 import doctest |
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1148 import unittest |
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1149 suite = doctest.DocFileSuite('tests/storage.txt') |
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1150 unittest.TextTestRunner().run(suite) |
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1151 # #doctest.testmod() |
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1152 # #doctest.testfile("example.txt") |