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comparison python/moving.py @ 615:0954aaf28231

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Merge
author MohamedGomaa
date Wed, 10 Dec 2014 14:12:06 -0500
parents 84690dfe5560 c5406edbcf12
children 0791b3b55b8f
comparison
equal deleted inserted replaced
613:306db0f3c7a2 615:0954aaf28231
922 922
923 userType2Num = utils.inverseEnumeration(userTypeNames) 923 userType2Num = utils.inverseEnumeration(userTypeNames)
924 924
925 class MovingObject(STObject): 925 class MovingObject(STObject):
926 '''Class for moving objects: a spatio-temporal object 926 '''Class for moving objects: a spatio-temporal object
927 with a trajectory and a geometry (constant volume over time) and a usertype (e.g. road user) coded as a number (see 927 with a trajectory and a geometry (constant volume over time)
928 and a usertype (e.g. road user) coded as a number (see userTypeNames)
928 ''' 929 '''
929 930
930 def __init__(self, num = None, timeInterval = None, positions = None, velocities = None, geometry = None, userType = userType2Num['unknown']): 931 def __init__(self, num = None, timeInterval = None, positions = None, velocities = None, geometry = None, userType = userType2Num['unknown']):
931 super(MovingObject, self).__init__(num, timeInterval) 932 super(MovingObject, self).__init__(num, timeInterval)
932 self.positions = positions 933 self.positions = positions
1275 def collisionCourseCosine(movingObject1, movingObject2, instant): 1276 def collisionCourseCosine(movingObject1, movingObject2, instant):
1276 'A positive result indicates that the road users are getting closer' 1277 'A positive result indicates that the road users are getting closer'
1277 return Point.cosine(movingObject1.getPositionAtInstant(instant)-movingObject2.getPositionAtInstant(instant), #deltap 1278 return Point.cosine(movingObject1.getPositionAtInstant(instant)-movingObject2.getPositionAtInstant(instant), #deltap
1278 movingObject2.getVelocityAtInstant(instant)-movingObject1.getVelocityAtInstant(instant)) #deltav 1279 movingObject2.getVelocityAtInstant(instant)-movingObject1.getVelocityAtInstant(instant)) #deltav
1279 1280
1281
1282 ##################
1283 # Annotations
1284 ##################
1285
1286 class BBAnnotation(MovingObject):
1287 '''Class for : a series of ground truth annotations using bounding boxes
1288 Its center is the center of the containing shape
1289 '''
1290
1291 def __init__(self, num = None, timeInterval = None, topPositions = None, bottomPositions = None, userType = userType2Num['unknown']):
1292 super(BBAnnotation, self).__init__(num, timeInterval, Trajectory(), userType = userType)
1293 self.topPositions = topPositions.getPositions()
1294 self.bottomPositions = bottomPositions.getPositions()
1295 for i in xrange(int(topPositions.length())):
1296 self.positions.addPosition((topPositions.getPositionAt(i) + bottomPositions.getPositionAt(i)).multiply(0.5))
1297
1298
1280 def plotRoadUsers(objects, colors): 1299 def plotRoadUsers(objects, colors):
1281 '''Colors is a PlottingPropertyValues instance''' 1300 '''Colors is a PlottingPropertyValues instance'''
1282 from matplotlib.pyplot import figure, axis 1301 from matplotlib.pyplot import figure, axis
1283 figure() 1302 figure()
1284 for obj in objects: 1303 for obj in objects: