def __init__(self,frame=-1,obj_type="unset",truncation=-1,occlusion=-1,\
                 obs_angle=-10,x1=-1,y1=-1,x2=-1,y2=-1,w=-1,h=-1,l=-1,\
                 X=-1000,Y=-1000,Z=-1000,yaw=-10,score=-1000,track_id=-1):
        """
            Constructor, initializes the object given the parameters.
        """
        self.frame = frame
        self.track_id = track_id
        self.obj_type = obj_type
        self.truncation = truncation
        self.occlusion = occlusion
        self.obs_angle = obs_angle
        self.x1 = x1
        self.y1 = y1
        self.x2 = x2
        self.y2 = y2
        self.w = w
        self.h = h
        self.l = l
        self.X = X
        self.Y = Y
        self.Z = Z
        self.yaw = yaw
        self.score = score
        self.ignored = False
        self.valid = False
        self.tracker = -1

            Constructor, initializes the object given the parameters.
        
ppdet/metrics/mot_metrics.py