code: def __init__(self, x, y, w, h):
      self.x = x
      self.y = y
      self.w = w
      self.h = h
      self.center = x + w / 2, self.y + self.h / 2
      self.area = w * h
  
file_path: Mozart/src/box.py
imports: import cv2
  import math
label_desc: Use image node_id 1 to create a new Box object from inherited base classes: object with example: obj = Box(x, y, w, h)