Mercurial > hg > nsaunier > traffic-intelligence

comparison python/utils.py @ 434:9a714f32fc9f

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small updates
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Sat, 30 Nov 2013 18:03:35 -0500
parents d40ad901b272
children abe0b2347d4c
comparison
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433:d40ad901b272 434:9a714f32fc9f
193 if diff<halfwidth: 193 if diff<halfwidth:
194 return 1.-(diff/halfwidth)**2 194 return 1.-(diff/halfwidth)**2
195 else: 195 else:
196 return 0. 196 return 0.
197 197
198 def triangular(center, x, halfwidth):
199 diff = abs(center-x)
200 if diff<halfwidth:
201 return 1.-abs(diff/halfwidth)
202 else:
203 return 0.
198 204
199 def argMaxDict(d): 205 def argMaxDict(d):
200 return max(d.iterkeys(), key=(lambda key: d[key])) 206 return max(d.iterkeys(), key=(lambda key: d[key]))
201 207
202 def framesToTime(nFrames, frameRate, initialTime = time()): 208 def framesToTime(nFrames, frameRate, initialTime = time()):