class_docstr: Refer to FigureFactory.create_quiver() for docstring
class_docstr_tok: ["Refer","to","FigureFactory.create_quiver","(",")","for","docstring"]
docstr: Creates x and y startpoint and endpoint pairs
  
  After finding the endpoint of each barb this zips startpoint and
  endpoint pairs to create 2 lists: x_values for barbs and y values
  for barbs
  
  :rtype: (list, list) barb_x, barb_y: list of startpoint and endpoint
      x_value pairs separated by a None to create the barb of the arrow,
      and list of startpoint and endpoint y_value pairs separated by a
      None to create the barb of the arrow.
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code: def get_barbs(self):
      """
      Creates x and y startpoint and endpoint pairs
  
      After finding the endpoint of each barb this zips startpoint and
      endpoint pairs to create 2 lists: x_values for barbs and y values
      for barbs
  
      :rtype: (list, list) barb_x, barb_y: list of startpoint and endpoint
          x_value pairs separated by a None to create the barb of the arrow,
          and list of startpoint and endpoint y_value pairs separated by a
          None to create the barb of the arrow.
      """
      self.end_x = [i + j for i, j in zip(self.x, self.u)]
      self.end_y = [i + j for i, j in zip(self.y, self.v)]
      empty = [None] * len(self.x)
      barb_x = utils.flatten(zip(self.x, self.end_x, empty))
      barb_y = utils.flatten(zip(self.y, self.end_y, empty))
      return barb_x, barb_y
  
file_path: plotly.py/packages/python/plotly/plotly/figure_factory/_quiver.py
imports: import math
  from plotly import exceptions
  from plotly.graph_objs import graph_objs
  from plotly.figure_factory import utils
label_desc: Use image node_id 3 for calling the _Quiver obj's underlying member method code with example usage: obj.get_barbs() and returns: barb_x,  barb_y