Mercurial > hg > nsaunier > traffic-intelligence

comparison python/moving.py @ 555:f13220f765e0

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added static methods to create trajectories and moving objects
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Sun, 13 Jul 2014 23:34:00 -0400
parents ca6bded754ac
children 259ccb3dd962
comparison
equal deleted inserted replaced
554:7d051afcb22d 555:f13220f765e0
418 self.positions = positions 418 self.positions = positions
419 else: 419 else:
420 self.positions = [[],[]] 420 self.positions = [[],[]]
421 421
422 @staticmethod 422 @staticmethod
423 def generate(p, v, nPoints):
424 t = Trajectory()
425 p0 = Point(p.x, p.y)
426 t.addPosition(p0)
427 for i in xrange(nPoints-1):
428 p0 += v
429 t.addPosition(p0)
430 return t, Trajectory([[v.x]*nPoints, [v.y]*nPoints])
431
432 @staticmethod
423 def load(line1, line2): 433 def load(line1, line2):
424 return Trajectory([[float(n) for n in line1.split(' ')], 434 return Trajectory([[float(n) for n in line1.split(' ')],
425 [float(n) for n in line2.split(' ')]]) 435 [float(n) for n in line2.split(' ')]])
426 436
427 @staticmethod 437 @staticmethod
722 self.geometry = geometry 732 self.geometry = geometry
723 self.userType = userType 733 self.userType = userType
724 self.features = [] 734 self.features = []
725 # compute bounding polygon from trajectory 735 # compute bounding polygon from trajectory
726 736
737 @staticmethod
738 def generate(p, v, timeInterval):
739 positions, velocities = Trajectory.generate(p, v, int(timeInterval.length()))
740 return MovingObject(timeInterval = timeInterval, positions = positions, velocities = velocities)
741
727 def getObjectInTimeInterval(self, inter): 742 def getObjectInTimeInterval(self, inter):
728 '''Returns a new object extracted from self, 743 '''Returns a new object extracted from self,
729 restricted to time interval inter''' 744 restricted to time interval inter'''
730 intersection = TimeInterval.intersection(inter, self.getTimeInterval()) 745 intersection = TimeInterval.intersection(inter, self.getTimeInterval())
731 if not intersection.empty(): 746 if not intersection.empty():