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annotate trafficintelligence/iframework.py @ 1162:efd52c55a72b

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added indicator framework file
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Sun, 07 Mar 2021 23:26:51 -0500
parents
children fa9c358789ac
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rev   line source
1162
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1 from enum import Enum
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2 from pathlib import Path
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3 from datetime import datetime
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4
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5 from sqlalchemy.ext.declarative import declarative_base, declared_attr
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6 from sqlalchemy import Table, Column, Integer, Boolean, String, Float, DateTime, Enum as SQLEnum, ForeignKey, CheckConstraint, create_engine
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7 from sqlalchemy.orm import relationship, backref, sessionmaker
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8
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9 """
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10
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11 """
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12
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13 Base = declarative_base()
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14
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15 GenderEnum = Enum('GenderEnum', 'male female unknown')
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16 ModeEnum = Enum('ModeEnum', 'cardriver carpassenger transit bike walking scooter skating')
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17 VehicleEnum = Enum('VehicleEnum', 'car SUV truck bus bike scooter skate rollers')
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18
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19 # should there be a survey object for site info, observer, etc?
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20
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21 class Mode(Base):
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22 'personal, because in a group (family), some might have a scooter or rollers'
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23 __tablename__ = 'modes'
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24 idx = Column(Integer, primary_key=True)
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25 personIdx = Column(Integer, ForeignKey('persons.idx'))
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26 vehicleIdx = Column(Integer, ForeignKey('vehicles.idx'))
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27 transport = Column(SQLEnum(ModeEnum), nullable=False)
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28 startTime = Column(DateTime) # None first time if only one group
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29 pointIdx = Column(Integer, ForeignKey('points.idx'))
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30
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31 person = relationship('Person', backref = backref('modes'))
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32 vehicle = relationship('Vehicle')
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33 point = relationship('Point')
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34
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35 def __init__(self, transport, person, vehicle = None, startTime = None, p = None):
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36 self.person = person
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37 self.transport = transport
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38 self.vehicle = vehicle
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39 self.startTime = startTime
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40 self.point = p
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41
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42 @staticmethod
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43 def initGroup(transport, group, vehicle = None, startTime = None):
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44 return [Mode(transport, p, startTime) for p in group.getPersons()]
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45
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46 class Group(Base):
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47 __tablename__ = 'groups'
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48 idx = Column(Integer, primary_key=True)
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49
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50 def __init__(self, persons):
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51 for p in persons:
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52 GroupBelonging(p, self)
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53
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54 def getPersons(self):
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55 return [gb.person for gb in self.groupBelongings]
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56
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57 class GroupBelonging(Base):
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58 __tablename__ = 'groupbelongings'
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59 groupIdx = Column(Integer, ForeignKey('groups.idx'), primary_key=True)
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60 personIdx = Column(Integer, ForeignKey('persons.idx'), primary_key=True)
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61 pointIdx = Column(Integer, ForeignKey('points.idx'))
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62 startTime = Column(DateTime) # None first time if only one group
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63
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64 person = relationship('Person', backref = backref('groupBelongings'))
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65 group = relationship('Group', backref = backref('groupBelongings'))
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66 point = relationship('Point')
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67
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68 def __init__(self, person, group, startTime = None, p = None):
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69 self.person = person
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70 self.group = group
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71 self.startTime = startTime
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72 self.point = p
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73
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74 # in aggregated form, there is a total number of observations for a given time interval, a number for each binary variable and k-1 variables for a categorical variable with k categories
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75 class Person(Base):
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76 __tablename__ = 'persons'
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77 idx = Column(Integer, primary_key=True)
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78 #groupIdx = Column(Integer, ForeignKey('groups.idx'))
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79 age = Column(String)
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80 gender = Column(SQLEnum(GenderEnum), nullable=False)
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81 disability = Column(String) # could be enum
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82 stroller = Column(Boolean) # the booleans could be strings or enum to have more information
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83 bag = Column(Boolean)
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84 animal = Column(Boolean)
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85
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86 #group = relationship('Group', backref = backref('persons'))
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87
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88 def __init__(self, age = 'unknown', gender = 'unknown', disability = False, stroller = False, bag = False, animal = False):
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89 self.age = age
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90 self.gender = gender
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91 self.disability = disability
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92 self.stroller = stroller
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93 self.bag = bag
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94 self.animal = animal
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95
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96 def getAgeNum(self):
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97 if str.isnumeric(self.age):
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98 return int(self.age)
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99 elif '.' in self.age:
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100 try:
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101 return float(self.age)
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102 except ValueError:
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103 pass
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104 else:
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105 return self.age
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106
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107 def getGroups(self):
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108 if len(self.groupBelongings) > 0:
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109 return [gb.group for gb in self.groupBelongings]
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110 else:
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111 return None
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112
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113 class Vehicle(Base):
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114 __tablename__ = 'vehicles'
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115 idx = Column(Integer, primary_key=True)
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116 category = Column(SQLEnum(VehicleEnum), nullable=False)
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117 trailer = Column(Boolean)
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118
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119 def __init__(self, category, trailer = False):
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120 self.category = category
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121 self.trailer = trailer
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122
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123 class Point(Base):
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124 __tablename__ = 'points'
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125 idx = Column(Integer, primary_key=True)
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126 x = Column(Float)
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127 y = Column(Float)
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128
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129 def __init__(self, x, y):
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130 self.x = x
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131 self.y = y
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132
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133 pointLineAssociation = Table('pointlines', Base.metadata,
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134 Column('pointIdx', Integer, ForeignKey('points.idx')),
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135 Column('lineIdx', Integer, ForeignKey('lines.idx')))
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136
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137 class Line(Base):
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138 __tablename__ = 'lines'
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139 idx = Column(Integer, primary_key=True)
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140
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141 points = relationship('Point', secondary=pointLineAssociation)
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142
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143 def __init__(self, x1, y1, x2, y2):
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144 self.points = [Point(x1, y1), Point(x2, y2)]
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145
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parents:
diff changeset
146 pointZoneAssociation = Table('pointzones', Base.metadata,
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parents:
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147 Column('pointIdx', Integer, ForeignKey('points.idx')),
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parents:
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148 Column('zoneIdx', Integer, ForeignKey('zones.idx')))
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parents:
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149
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parents:
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150 class Zone(Base):
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parents:
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151 __tablename__ = 'zones'
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152 idx = Column(Integer, primary_key=True)
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parents:
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153
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154 points = relationship('Point', secondary=pointZoneAssociation)
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parents:
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155
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156 def __init__(self, xs = None, ys = None):
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parents:
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157 'xs and ys are the list of x and y coordinates'
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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158 if xs is not None and ys is not None:
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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159 for x,y in zip(xs, ys):
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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160 self.addPoint(x,y)
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parents:
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161
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parents:
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162 def addPoint(self, x, y):
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parents:
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163 self.points.append(Point(x, y))
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parents:
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164
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parents:
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165 class AbstractPassing:
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166 def initPersonGroupPassing(self, group, person, transport, vehicle):
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167 if person is None and group is not None: # create group
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parents:
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168 self.group = group
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parents:
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169 if transport is not None:
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parents:
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170 Mode.initGroup(transport, group, vehicle)
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parents:
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171 elif person is not None and group is None: # create person
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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172 self.group = Group([person])
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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173 if transport is not None:
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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174 Mode(transport, person, vehicle)
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parents:
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175 else:
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parents:
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176 print('Warning: passing person and group or both None')
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parents:
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177
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178 class LinePassing(AbstractPassing,Base):
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179 __tablename__ = 'linepassings'
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180 idx = Column(Integer, primary_key=True)
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181 lineIdx = Column(Integer, ForeignKey('lines.idx'))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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182 groupIdx = Column(Integer, ForeignKey('groups.idx'))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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183 pointIdx = Column(Integer, ForeignKey('points.idx'))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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184 instant = Column(DateTime)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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185 speed = Column(Float)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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186 wrongDirection = Column(Boolean)
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parents:
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187
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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188 line = relationship('Line')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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189 group = relationship('Group')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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190 point = relationship('Point')
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parents:
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191
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parents:
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192 def __init__(self, line, instant, speed = None, wrongDirection = None, p = None, group = None, person = None, transport = None, vehicle = None):
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parents:
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193 # makes it possible to create person and mode for just counting
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parents:
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194 # pass transport as string to instantiate after
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parents:
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195 self.line = line
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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196 self.instant = instant
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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197 self.speed = speed
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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198 self.wrongDirection = wrongDirection
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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199 self.point = p
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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200 self.initPersonGroupPassing(group, person, transport, vehicle)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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201
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parents:
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202 class ZonePassing(AbstractPassing,Base):
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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203 __tablename__ = 'zonepassings'
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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204 idx = Column(Integer, primary_key=True)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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205 zoneIdx = Column(Integer, ForeignKey('zones.idx'))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
206 groupIdx = Column(Integer, ForeignKey('groups.idx'))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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207 pointIdx = Column(Integer, ForeignKey('points.idx'))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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208 instant = Column(DateTime)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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209 entering = Column(Boolean)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
210
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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211 zone = relationship('Zone')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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212 group = relationship('Group')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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213 point = relationship('Point')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
214
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
215 def __init__(self, zone, instant, entering, p = None, group = None, person = None, transport = None, vehicle = None):
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parents:
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216 self.zone = zone
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
217 self.instant = instant
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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218 self.entering = entering
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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219 self.point = p
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
220 self.initPersonGroupPassing(group, person, transport, vehicle)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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221
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
222 class Activity(AbstractPassing,Base):
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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223 __tablename__ = 'activities'
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
224 idx = Column(Integer, primary_key=True)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
225 activity = Column(String) # could be enum
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
226 groupIdx = Column(Integer, ForeignKey('groups.idx'))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
227 # can an activity be done in a vehicle? Is it relevant? Can it be unambiguously identified?
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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228 startTime = Column(DateTime)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
229 endTime = Column(DateTime)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
230 zoneIdx = Column(Integer, ForeignKey('zones.idx'))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
231 pointIdx = Column(Integer, ForeignKey('points.idx'))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
232
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
233 group = relationship('Group')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
234 zone = relationship('Zone')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
235 point = relationship('Point')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
236
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
237 def __init__(self, activity, startTime, endTime, zone, p = None, group = None, person = None, transport = None, vehicle = None):
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
238 self.activity = activity
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
239 self.startTime = startTime
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
240 self.endTime = endTime
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
241 self.zone = zone
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
242 self.point = p
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
243 self.initPersonGroupPassing(group, person, transport, vehicle)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
244
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
245 def createDatabase(filename):
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
246 'creates a session to query the filename'
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
247 if Path(filename).is_file():
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
248 print('The file '+filename+' exists')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
249 return None
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
250 else:
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
251 engine = create_engine('sqlite:///'+filename)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
252 Base.metadata.create_all(engine)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
253 Session = sessionmaker(bind=engine)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
254 return Session()
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
255
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
256 def connectDatabase(filename):
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
257 'creates a session to query the filename'
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
258 if Path(filename).is_file():
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
259 engine = create_engine('sqlite:///'+filename)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
260 Session = sessionmaker(bind=engine)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
261 return Session()
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
262 else:
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
263 print('The file '+filename+' does not exist')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
264 return None
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
265
efd52c55a72b added indicator framework file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
266 if __name__ == '__main__': # demo code
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
267 session = createDatabase('test.sqlite')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
268 if session is None:
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
269 session = connectDatabase('test.sqlite')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
270 # count example
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
271 p = Person(6, 'female', bag = True)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
272 veh1 = Vehicle('car')
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
273 modes = [Mode('cardriver', p, veh1), Mode('walking', p, startTime = datetime(2020,7,7,11,20))]
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
274
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
275 line = Line(0.,0.,0.,10.)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
276 zone = Zone([0., 0., 1., 1.], [0., 1., 1., 0.])
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
277 destination = Zone([10., 10., 11., 11.], [10., 11., 11., 10.])
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
278 counts = [LinePassing(line, datetime(2020,7,2,23,20+i), person = Person(20+i, 'female', disability = True), transport = 'walking') for i in range(5)]
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
279 group1 = Group([Person(13+i,'female', False, False, True, False) for i in range(3)])
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
280 groupMode1 = Mode.initGroup('walking', group1)
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
281 activities = [Activity('walking', datetime(2020,7,2,23,0), datetime(2020,7,2,23,10), zone, person = Person(40, 'male', True, False, True, False)),
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
282 Activity('eating', datetime(2020,7,2,23,10), datetime(2020,7,2,23,12), zone, person = Person(40, 'male', True, False, True, False)),
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
283 Activity('playing', datetime(2020,7,2,22,0), datetime(2020,7,2,23,0), zone, group = group1)]
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
284 counts.append(LinePassing(line, datetime(2020,7,2,23,5), group = group1))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
285 counts.append(LinePassing(line, datetime(2020,7,2,23,7), person = Person(23, 'unknown'), transport = 'cardriver', vehicle = Vehicle('car')))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
diff changeset
286 counts.append(LinePassing(line, datetime(2020,7,2,23,9), person = Person('teen', 'unknown'), transport = 'scooter', vehicle = Vehicle('scooter')))
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Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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287 counts.append(LinePassing(line, datetime(2020,7,2,23,11), person = Person(12, 'female'), transport = 'bike'))
efd52c55a72b added indicator framework file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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288 counts.append(LinePassing(line, datetime(2020,7,2,23,13), person = Person(), transport = 'car')) # example of counting cars without knowing the driver and passenger's attributes
efd52c55a72b added indicator framework file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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289 counts.append(LinePassing(line, datetime(2020,7,2,23,15), group = Group([Person(34+i) for i in range(3)]), transport = 'carpassenger'))
efd52c55a72b added indicator framework file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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290
efd52c55a72b added indicator framework file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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291
efd52c55a72b added indicator framework file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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292 counts.append(ZonePassing(zone, datetime(2020,7,7,9,5), True, person = Person(33, 'male', False, False, True, False)))
efd52c55a72b added indicator framework file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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293
efd52c55a72b added indicator framework file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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294 session.add_all([line, p, zone, group1, destination]+modes+groupMode1+counts+activities)
efd52c55a72b added indicator framework file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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295
efd52c55a72b added indicator framework file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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296 session.commit()
efd52c55a72b added indicator framework file
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents:
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297 session.close()