def getBackSpeed(self, t):
a = self.detectionDictionnary.get(t - 1)
b = self.detectionDictionnary.get(t + 1)
if a == None or b == None:
return None
speedVectorX = a.backX - b.backX
speedVectorY = a.backY - b.backY
p = Point(speedVectorX, speedVectorY)
return p
def getFrontSpeed(self, t):
a = self.detectionDictionnary.get(t - 1)
b = self.detectionDictionnary.get(t + 1)
if a == None or b == None:
return None
speedVectorX = a.frontX - b.frontX
speedVectorY = a.frontY - b.frontY
p = Point(speedVectorX, speedVectorY)
return p
def getSpeedVector(self, t):
a = self.detectionDictionnary.get(t - 1)
b = self.detectionDictionnary.get(t + 1)
if a == None or b == None:
return None
speedVectorX = a.massX - b.massX
speedVectorY = a.massY - b.massY
p = Point(speedVectorX, speedVectorY)
return p
def getOrientationVector(self, t):
d = self.detectionDictionnary.get(t)
if d == None:
return None
if d.frontX == None:
return None
if d.backX == None:
return None
deltaX = d.frontX - d.backX
deltaY = d.frontY - d.backY
p = Point(deltaX, deltaY)
return p
''' threshold to compute head-genital events '''
MAX_DISTANCE_HEAD_HEAD_GENITAL_THRESHOLD = 15
oneFrame = 1
oneSecond = 30
oneMinute = 30*60
oneHour = 30*60*60
oneDay = 30*60*60*24
oneWeek = 30*60*60*24*7
'''time window at the end of an event to test overlap with another event'''
TIME_WINDOW_BEFORE_EVENT = 15*oneFrame
''' Cage center in 50x50cm area'''
cageCenterCoordinates50x50Area = Point( 256, 208 )
''' Corner Coordinates in 50x50cm area '''
cornerCoordinates50x50Area = [
(114,63),
(398,63),
(398,353),
(114,353)
]
def second( second ):
return second * oneSecond
def day( day ):
return day* oneDay