class_docstr: Compare vectors by their angle without loss of precision
  
  All vectors in direction [0, 1] are the smallest.
  The vectors grow in clockwise direction.
class_docstr_tok: ["Compare","vectors","by","their","angle","without","loss","of","precision","All","vectors","in","direction","[","0",",","1","]","are","the","smallest",".","The","vectors","grow","in","clockwise","direction","."]
code: def __init__(self, x, y, node):
      self.x = x
      self.y = y
      self.node = node
      if self.x >= 0 and self.y > 0:
          self.quadrant = 1
      elif self.x > 0 and self.y <= 0:
          self.quadrant = 2
      elif self.x <= 0 and self.y < 0:
          self.quadrant = 3
      else:
          self.quadrant = 4
  
imports: import math
  import pytest
  import networkx
  from networkx.algorithms.planar_drawing import triangulate_embedding
label_desc: Use image node_id 1 to create a new Vector object  with example: obj = Vector(x, y, node)