Mercurial > hg > nsaunier > traffic-intelligence

comparison python/moving.py @ 104:13187af8622d

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finally added the representation of intervals
author Nicolas Saunier <nico@confins.net>
date Thu, 14 Jul 2011 17:15:09 -0400
parents b85912ab4064
children 9844c69d8fa2
comparison
equal deleted inserted replaced
103:1621b46a1523 104:13187af8622d
22 else: 22 else:
23 self.first=first 23 self.first=first
24 self.last=last 24 self.last=last
25 25
26 def __str__(self): 26 def __str__(self):
27 return '%d %d'%(self.first, self.last) 27 return '[{0}, {1}]'.format(self.first, self.last)
28
29 def __repr__(self):
30 return self.__str__()
28 31
29 def empty(self): 32 def empty(self):
30 return self.first > self.last 33 return self.first > self.last
31 34
32 def length(self): 35 def length(self):
49 def union(self, interval2): 52 def union(self, interval2):
50 '''Largest interval comprising self and interval2''' 53 '''Largest interval comprising self and interval2'''
51 return TimeInterval(min(self.first, interval2.first), max(self.last, interval2.last)) 54 return TimeInterval(min(self.first, interval2.first), max(self.last, interval2.last))
52 55
53 def intersection(self, interval2): 56 def intersection(self, interval2):
54 '''Largest interval comprising self and interval2''' 57 '''Largest interval comprised in both self and interval2'''
55 return TimeInterval(max(self.first, interval2.first), min(self.last, interval2.last)) 58 return TimeInterval(max(self.first, interval2.first), min(self.last, interval2.last))
56 59
57 60
58 class TimeInterval(Interval): 61 class TimeInterval(Interval):
59 '''Temporal interval based on frame numbers (hence the modified length method) 62 '''Temporal interval based on frame numbers (hence the modified length method)