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comparison python/moving.py @ 994:8118c6b77d7c

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update for objects that do not co-exist (work by https://bitbucket.org/Wendlasida/)
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Sun, 20 May 2018 10:56:24 -0400
parents e8eabef7857c
children 349cd5e73f79
comparison
equal deleted inserted replaced
993:e8eabef7857c 994:8118c6b77d7c
1138 return MovingObject(num = num, timeInterval = timeInterval, positions = positions, velocities = velocities) 1138 return MovingObject(num = num, timeInterval = timeInterval, positions = positions, velocities = velocities)
1139 1139
1140 @staticmethod 1140 @staticmethod
1141 def concatenate(obj1, obj2, num = None): 1141 def concatenate(obj1, obj2, num = None):
1142 '''Concatenates two objects supposed to overlap temporally ''' 1142 '''Concatenates two objects supposed to overlap temporally '''
1143 if num is None:
1144 newNum = obj1.getNum()
1145 else:
1146 newNum = num
1143 commonTimeInterval = obj1.commonTimeInterval(obj2) 1147 commonTimeInterval = obj1.commonTimeInterval(obj2)
1144 if commonTimeInterval.empty(): 1148 if commonTimeInterval.empty():
1145 print('The two objects\' time intervals do not overlap: obj1 {} and obj2 {}'.format(obj1.getTimeInterval(), obj2.getTimeInterval())) 1149 print('The two objects\' time intervals do not overlap: obj1 {} and obj2 {}'.format(obj1.getTimeInterval(), obj2.getTimeInterval()))
1146 return None 1150 emptyInterval = TimeInterval(min(obj1.getLastInstant(),obj2.getLastInstant()) , max(obj1.getFirstInstant(),obj2.getFirstInstant()))
1147 else: 1151 positions = Trajectory()
1148 if num is None: 1152 if obj1.existsAtInstant(emptyInterval.last):
1149 newNum = obj1.getNum() 1153 vitessex=(obj1.getPositionAtInstant(emptyInterval.last).x-obj2.getPositionAtInstant(emptyInterval.first).x)/(emptyInterval.last-emptyInterval.first)
1150 else: 1154 vitessey=(obj1.getPositionAtInstant(emptyInterval.last).y-obj2.getPositionAtInstant(emptyInterval.first).y)/(emptyInterval.last-emptyInterval.first)
1151 newNum = num 1155 px,py=obj2.getPositionAtInstant(emptyInterval.first)
1156 else :
1157 vitessex=(obj2.getPositionAtInstant(emptyInterval.last).x-obj1.getPositionAtInstant(emptyInterval.first).x)/(emptyInterval.last-emptyInterval.first)
1158 vitessey=(obj2.getPositionAtInstant(emptyInterval.last).y-obj1.getPositionAtInstant(emptyInterval.first).y)/(emptyInterval.last-emptyInterval.first)
1159 px,py=obj1.getPositionAtInstant(emptyInterval.first)
1160 positions = Trajectory()
1161 velocities = Trajectory()
1162 for t in emptyInterval:
1163 positions.addPositionXY(px,py)
1164 velocities.addPositionXY(vitessex,vitessey)
1165 px+=vitessex
1166 py+=vitessey
1167
1168 newObject = MovingObject(newNum, emptyInterval, positions, velocities, userType = obj1.getUserType())
1169 return MovingObject.concatenate(MovingObject.concatenate(obj1, newObject),obj2)
1170
1171
1172 else:
1152 newTimeInterval = TimeInterval.union(obj1.getTimeInterval(), obj2.getTimeInterval()) 1173 newTimeInterval = TimeInterval.union(obj1.getTimeInterval(), obj2.getTimeInterval())
1153 # positions 1174 # positions
1154 positions = Trajectory() 1175 positions = Trajectory()
1155 for t in newTimeInterval: 1176 for t in newTimeInterval:
1156 nTotal = 0. 1177 nTotal = 0.