class_docstr: Refer to FigureFactory.create_streamline() for docstring
class_docstr_tok: ["Refer","to","FigureFactory.create_streamline","(",")","for","docstring"]
docstr: Set up positions for trajectories to be used with rk4 function.
docstr_tok: ["Set","up","positions","for","trajectories","to","be","used","with","rk4","function","."]
code: def blank_pos(self, xi, yi):
      """
      Set up positions for trajectories to be used with rk4 function.
      """
      return (
          int((xi / self.spacing_x) + 0.5),
          int((yi / self.spacing_y) + 0.5),
      )
  
file_path: catboost/contrib/python/plotly/py2/plotly/figure_factory/_streamline.py
imports: from __future__ import absolute_import
  import math
  from plotly import exceptions, optional_imports
  from plotly.figure_factory import utils
  from plotly.graph_objs import graph_objs
label_desc: Use image node_id 2 for calling the _Streamline obj's underlying member method code with example usage: obj.blank_pos(xi, yi) and returns: int,  int