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comparison python/moving.py @ 74:d3e1a7cf3375

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added functions to get simply the values of indicators (and arccos transform for cosines
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Fri, 21 Jan 2011 18:27:55 -0500
parents 45e958ccd9bd
children 5d487f183fe2
comparison
equal deleted inserted replaced
73:930a6282c9a9 74:d3e1a7cf3375
384 384
385 it should have more information like name, unit''' 385 it should have more information like name, unit'''
386 386
387 def __init__(self, name, values, timeInterval=None): 387 def __init__(self, name, values, timeInterval=None):
388 self.name = name 388 self.name = name
389 self.isCosine = name.find('Cosine')
389 self.values = values 390 self.values = values
390 self.timeInterval = timeInterval 391 self.timeInterval = timeInterval
391 if timeInterval: 392 if timeInterval:
392 assert len(values) == timeInterval.length() 393 assert len(values) == timeInterval.length()
393 394
415 self.iterInstantNum += 1 416 self.iterInstantNum += 1
416 if self.timeInterval: 417 if self.timeInterval:
417 return self.values[self.iterInstantNum-1] 418 return self.values[self.iterInstantNum-1]
418 else: 419 else:
419 return self.values.values()[self.iterInstantNum-1] 420 return self.values.values()[self.iterInstantNum-1]
421
422 def getValues(self):
423 if self.timeInterval:
424 return self.values
425 else:
426 return self.values.values()
427
428 def getAngleValues(self):
429 '''if the indicator is a function of an angle,
430 transform it to an angle (eg cos)
431 (no transformation otherwise)'''
432 from numpy import arccos
433 values = self.getValues()
434 if self.isCosine >= 0:
435 return [arccos(c) for c in values]
436 else:
437 return values
420 438
421 class SeverityIndicator(TemporalIndicator): 439 class SeverityIndicator(TemporalIndicator):
422 '''Class for severity indicators 440 '''Class for severity indicators
423 field mostSevereIsMax is True 441 field mostSevereIsMax is True
424 if the most severe value taken by the indicator is the maximum''' 442 if the most severe value taken by the indicator is the maximum'''