def __init__(self, vid, length, width, height, weight, cat, axles, doublemount, studs, fuel, cc, maxspeed, maxdecel, maxaccel,
position = Point(0.0,0.0,0.0), direction = Direction(0.0,0.0), speed = 0.0, acceleration = 0.0):
object.__init__(self)
# unique vehicle ID
self._vid = vid
# size properties
self._length = length # in m
self._width = width # in m
self._height = height # in m
self._weight = weight # in kg
# emission related properties
self._cat = cat # emission category (usually an integer), to be interpreted by the emission models
self._axles = axles # integer, number of axles of vehicle
self._doublemount = doublemount # boolean, true for double-mounted tires (for trucks)
self._studs = studs # boolean, true if the vehicle has winter tires
self._fuel = fuel # the type of fuel the vehicle uses (string, e.g. 'petrol', 'diesel', 'electric')
self._cc = cc # the cilinder capacity (cc)
# kinematic properties
self._maxspeed = maxspeed # in km/h
self._maxdecel = maxdecel # in m/s^2 (negative value)
self._maxaccel = maxaccel # in m/s^2
# dynamic properties
self._position = position # position Point(x,y,z) - center of bottom plane - in m
self._direction = direction # Direction(bearing,gradient) of the vehicle, in degrees (0-360)
self._speed = speed # velocity (km/h)
self._acceleration = acceleration # acceleration (m/s^2)
def clear(self):
""" clear the simulation """
self._t = 0.0
self._passbys = [] # list with vehicle passbys (at the origin)
self._passbytimes = {1: [], 3: []}
self._history = [] # history of vehicles at each timestep
self._factory = VehicleFactory(fleet=self._fleet,
position=Point(self._xmin, 0.0, 0.0),
direction=Direction(bearing=0.0),
speed=self._vlimit,
acceleration=0.0)
def createVehicle(self, tokens):
""" create a Vehicle object based on the supplied logger line tokens """
# fetch vehicle parameters
vID = int(tokens[0])
vLength = float(tokens[1])
vPosition = Point(float(tokens[2]), float(tokens[3]))
vDirection = Direction(bearing = float(tokens[4]))
vSpeed = float(tokens[5])
vAcceleration = float(tokens[6])
# simple check between light and heavy vehicles
vClass = {False: LightVehicle, True: HeavyVehicle}[(vLength>10.0)]
return vClass(vid = vID, position = vPosition, direction = vDirection, speed = vSpeed, acceleration = vAcceleration)
ix = [0, nx / 4, nx / 2, 3 * (nx / 4)]
iy = [0, ny / 4, ny / 2, 3 * (ny / 4)]
pylab.xticks(ix, [('%.1f' % self.recx[i]) for i in ix])
pylab.yticks(iy, [('%.1f' % self.recy[i]) for i in iy])
#---------------------------------------------------------------------------------------------------
# Test code
#---------------------------------------------------------------------------------------------------
if __name__ == '__main__':
# test of propagation model
if 1:
vehicle = QLDCar(position=Point(0.0, 0.0, 0.0),
direction=Direction(0.0, 0.0),
speed=70.0,
acceleration=0.0)
emodel = ImagineModel()
sources = emodel.sources(vehicle=vehicle)
receiver = Receiver(position=Point(0.0, 10.0, 0.0))
environment = ISO9613Environment(G=(0.0, 0.0, 0.0))
pmodel = ISO9613Model(environment=environment)
# switching corrections on/off
pmodel.correction['geometricDivergence'] = True
pmodel.correction['atmosphericAbsorption'] = True
pmodel.correction['groundEffect'] = True
pmodel.correction['sourceDirectivity'] = True
# plotting both spectra at source and receiver
pylab.figure()
ncols = len(sources)
def __init__(self, vid = 0, length = 1.5, width = 0.5, height = 1.5, weight = 200.0,
cat = 5, axles = 2, doublemount = False, studs = False, fuel = 'petrol', cc = 1000,
maxspeed = 110.0, maxdecel = -6.0, maxaccel = 4.0,
position = Point(0.0,0.0,0.0), direction = Direction(0.0,0.0), speed = 0.0, acceleration = 0.0):
Vehicle.__init__(self, vid, length, width, height, weight, cat, axles, doublemount, studs, fuel, cc,
maxspeed, maxdecel, maxaccel, position, direction, speed, acceleration)
def __init__(self, vid = 0, length = 25.0, width = 2.5, height = 3.5, weight = 30000.0,
cat = 3, axles = 4, doublemount = True, studs = False, fuel = 'petrol', cc = 8000,
maxspeed = 110.0, maxdecel = -2.75, maxaccel = 0.8,
position = Point(0.0,0.0,0.0), direction = Direction(0.0,0.0), speed = 0.0, acceleration = 0.0):
Vehicle.__init__(self, vid, length, width, height, weight, cat, axles, doublemount, studs, fuel, cc,
maxspeed, maxdecel, maxaccel, position, direction, speed, acceleration)