docstr: Represent a map boundingbox
  
  :param north: northmost latitude
  :param west: westmost longitude
  :param south: southmost latitude
  :param east: eastmost longitude
  :return:
docstr_tok: ["Represent","a","map","boundingbox",":","param","north",":","northmost","latitude",":","param","west",":","westmost","longitude",":","param","south",":","southmost","latitude",":","param","east",":","eastmost","longitude",":","return",":"]
code: def __init__(self, north, west, south, east):
      """
      Represent a map boundingbox
  
      :param north: northmost latitude
      :param west: westmost longitude
      :param south: southmost latitude
      :param east: eastmost longitude
      :return:
      """
      self.north = north
      self.west = west
      self.south = south
      self.east = east
  
imports: from collections import defaultdict
  import csv
  from datetime import datetime
  import json
  from math import radians, cos, sin, asin, sqrt
  import urllib2
  import numpy
label_desc: Use image node_id 1 to create a new BoundingBox object  with example: obj = BoundingBox(north, west, south, east)