mirror of
https://github.com/Ahp06/SUMO_Emissions.git
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281 lines
7.8 KiB
Python
281 lines
7.8 KiB
Python
"""
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Created on 17 oct. 2018
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@author: Axel Huynh-Phuc, Thibaud Gasser
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"""
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"""
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This module defines the business model of our application
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"""
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import collections
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from traci._trafficlight import Logic as SUMO_Logic
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from typing import Tuple, Set
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from shapely.geometry import Point, LineString
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from shapely.geometry import Polygon
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from shapely.geometry.base import BaseGeometry
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class Lane:
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"""
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The Lane class includes the polygon defining the lane
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and keep in memory the initial maximum speed on the lane
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"""
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def __init__(self, lane_id: str, polygon: LineString, initial_max_speed: float):
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"""
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Lane constructor
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:param lane_id: The ID of the lane
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:param polygon: The polygon defining the shape of the lane
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:param initial_max_speed: The initial maximum speed
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"""
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self.polygon = polygon
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self.lane_id = lane_id
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self.initial_max_speed = initial_max_speed
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def __hash__(self):
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"""Overrides the default implementation"""
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return hash(self.lane_id)
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class Phase:
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"""
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The Phase class defines a phase of a traffic light
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"""
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def __init__(self, duration: float, minDuration: float, maxDuration: float, phaseDef: str):
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"""
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Phase constructor
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:param duration: The duration of the phase (in seconds)
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:param minDuration: The minimum duration of the phase
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:param maxDuration: The maximum duration of the phase
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:param phaseDef: The definition of the phase, following the definition rules of SUMO
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(See : http://sumo.dlr.de/wiki/Simulation/Traffic_Lights#.3Cphase.3E_Attributes)
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"""
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self.duration = duration
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self.minDuration = minDuration
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self.maxDuration = maxDuration
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self.phaseDef = phaseDef
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def __repr__(self) -> str:
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"""
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:return: The Phase string representation
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"""
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repr = f'Phase(duration:{self.duration},minDuration:{self.minDuration},maxDuration:{self.maxDuration},phaseDef:{self.phaseDef})'
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return str(repr)
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class Logic:
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"""
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The Logic class defines the strategy of a traffic light.
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This class includes the Logic instance of SUMO with all phases corresponding to it.
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A Logic object contains multiple phases.
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"""
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def __init__(self, logic: SUMO_Logic, phases: Set[Phase]):
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"""
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Logic constructor
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:param logic: The SUMO Logic object
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:param phases: The list of phases belonging to this logic
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"""
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self._logic = logic
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self._phases: Set[Phase] = phases
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class TrafficLight:
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"""
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This TrafficLight class defines a traffic light
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"""
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def __init__(self, tl_id: str, logics: Set[Logic]):
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"""
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TrafficLight constructor
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:param tl_id: The traffic light ID
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:param logics: The list of logics belonging to the traffic light
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"""
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self.tl_id = tl_id
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self._logics: Set[Logic] = logics
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def __hash__(self):
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"""Overrides the default implementation"""
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return hash(self.tl_id)
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class Emission:
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"""
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This class defines the different pollutant emissions
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"""
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def __init__(self, co2=0, co=0, nox=0, hc=0, pmx=0):
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"""
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Emission constructor
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:param co2: Quantity of CO2(in mg)
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:param co: Quantity of C0(in mg)
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:param nox: Quantity of Nox(in mg)
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:param hc: Quantity of HC(in mg)
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:param pmx: Quantity of PMx(in mg)
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"""
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self.co2 = co2
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self.co = co
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self.nox = nox
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self.hc = hc
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self.pmx = pmx
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def __add__(self, other):
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"""
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Add two emission objects
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:param other: The other Emission object to add
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:return: A new object whose emission values are the sum of both Emission object
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"""
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return Emission(self.co2 + other.co2, self.co + other.co, self.nox + other.nox, self.hc + other.hc,
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self.pmx + other.pmx)
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def value(self):
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"""
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:return: The sum of all emissions
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"""
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return self.co2 + self.co + self.nox + self.hc + self.pmx
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def __repr__(self) -> str:
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"""
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:return: The Emission string representation
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"""
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repr = f'Emission(co2={self.co2},co={self.co},nox={self.nox},hc={self.hc},pmx={self.pmx})'
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return str(repr)
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class Area:
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"""
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The Area class defines a grid area of the map
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"""
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def __init__(self, coords, name, window_size):
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"""
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Area constructor
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:param coords: The coordinates of the zone,
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defined by the bounds coordinates of this area : (xmin, ymin, xmax, ymax)
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:param name: The Area name
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:param window_size: The size of the acquisition window
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"""
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self.limited_speed = False
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self.locked = False
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self.tls_adjusted = False
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self.weight_adjusted = False
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self.rectangle = Polygon(coords)
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self.name = name
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self.emissions_by_step = []
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self.window = collections.deque(maxlen=window_size)
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self._lanes: Set[Lane] = set()
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self._tls: Set[TrafficLight] = set()
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def __eq__(self, other):
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"""
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Overrides the equal definition
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:param other: The other Area object
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:return: True if the two rectangles are equals
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"""
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return self.rectangle.__eq__(other)
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def __contains__(self, item):
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"""
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:param item: A position on the map
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:return: True if the area contains the item
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"""
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return self.rectangle.contains(item)
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@property
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def bounds(self):
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"""
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Return the bounds rectangle of this area
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:return:
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"""
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return self.rectangle.bounds
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def intersects(self, other: BaseGeometry) -> bool:
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"""
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:param other: A BaseGeometry object
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:return: True if this area intersects with other
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"""
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return self.rectangle.intersects(other)
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def add_lane(self, lane: Lane):
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"""
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Add a new lane object into lanes list
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:param lane: A Lane object
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:return:
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"""
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self._lanes.add(lane)
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def add_tl(self, tl: TrafficLight):
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"""
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Add a new trafficLight object into lanes list
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:param tl: A TrafficLight object
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:return:
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"""
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self._tls.add(tl)
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def remove_lane(self, lane: Lane):
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"""
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Remove a lane from lanes list
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:param lane: The Lane object to remove
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:return:
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"""
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self._lanes.remove(lane)
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def sum_all_emissions(self):
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"""
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Sum all Emissions object from initial step to final step
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:return: The sum Emission object
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"""
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sum = Emission()
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for emission in self.emissions_by_step:
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sum += emission
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return sum
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def sum_emissions_into_window(self, current_step):
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"""
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Sum all Emissions object into the acquisition window
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:param current_step: The current step of the simulation
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:return:
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"""
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self.window.appendleft(self.emissions_by_step[current_step].value())
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sum = 0
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for i in range(self.window.__len__()):
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sum += self.window[i]
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return sum
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@classmethod
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def from_bounds(cls, xmin, ymin, xmax, ymax):
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return cls((
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(xmin, ymin),
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(xmin, ymax),
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(xmax, ymax),
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(xmax, ymin)))
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class Vehicle:
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"""
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The Vehicle class defines a vehicle object
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"""
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def __init__(self, veh_id: int, pos: Tuple[float, float]):
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"""
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Vehicle constructor
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:param veh_id: The vehicle ID
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:param pos: The position of the vehicle one the map
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"""
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self.emissions: Emission = Emission()
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self.veh_id = veh_id
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self.pos = Point(pos)
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def __repr__(self) -> str:
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"""
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:return: The Vehicle string representation
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"""
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return str(self.__dict__)
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