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comparison python/moving.py @ 107:916678481896

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corrected bug for TimeInterval interation and added corresponding test
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Fri, 15 Jul 2011 02:32:34 -0400
parents 9844c69d8fa2
children 6efe470ea5e5
comparison
equal deleted inserted replaced
106:ce4cb46b3603 107:916678481896
7 from math import sqrt, hypot; 7 from math import sqrt, hypot;
8 8
9 #from shapely.geometry import Polygon 9 #from shapely.geometry import Polygon
10 10
11 __metaclass__ = type 11 __metaclass__ = type
12
13 #class MovingObject:
14 12
15 class Interval: 13 class Interval:
16 '''Generic Interval''' 14 '''Generic Interval'''
17 def __init__(self, first=0, last=-1, revert = False): 15 def __init__(self, first=0, last=-1, revert = False):
18 'Warning, do not revert if last<first, it contradicts the definition of empty' 16 'Warning, do not revert if last<first, it contradicts the definition of empty'
68 def __getitem__(self, i): 66 def __getitem__(self, i):
69 if not self.empty(): 67 if not self.empty():
70 return self.first+i 68 return self.first+i
71 69
72 def __iter__(self): 70 def __iter__(self):
73 self.iterInstantNum = 0 71 self.iterInstantNum = -1
74 return self 72 return self
75 73
76 def next(self): 74 def next(self):
77 if self.iterInstantNum >= self.length()-1: 75 if self.iterInstantNum >= self.length()-1:
78 raise StopIteration 76 raise StopIteration