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comparison python/moving.py @ 666:93633ce122c3

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added function to count features in objects
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 20 May 2015 14:21:54 +0200
parents 15e244d2a1b5
children 5473b7460375
comparison
equal deleted inserted replaced
665:15e244d2a1b5 666:93633ce122c3
1119 1119
1120 def getFeature(self, i): 1120 def getFeature(self, i):
1121 if self.hasFeatures() and i<len(self.features): 1121 if self.hasFeatures() and i<len(self.features):
1122 return self.features[i] 1122 return self.features[i]
1123 else: 1123 else:
1124 return None
1125
1126 def getFeatureNumbers(self):
1127 '''Returns the number of features at each instant
1128 dict instant -> number of features'''
1129 if self.hasFeatures():
1130 featureNumbers = {}
1131 for t in self.getTimeInterval():
1132 n = 0
1133 for f in self.getFeatures():
1134 if f.existsAtInstant(t):
1135 n += 1
1136 featureNumbers[t]=n
1137 return featureNumbers
1138 else:
1139 print('Object {} has no features loaded.'.format(self.getNum()))
1124 return None 1140 return None
1125 1141
1126 def getSpeeds(self): 1142 def getSpeeds(self):
1127 return self.getVelocities().norm() 1143 return self.getVelocities().norm()
1128 1144