docstr: Return v=0, nth=1.
docstr_tok: ["Return","v=0",",","nth=1","."]
code: def get_data_boundary(self, side):
      """
      Return v=0, nth=1.
      """
      lon1, lon2, lat1, lat2 = self.grid_finder.extreme_finder(
          *[None] * 5
      )
      return dict(
          left=(lon1, 0),
          right=(lon2, 0),
          bottom=(lat1, 1),
          top=(lat2, 1),
      )[side]
  
imports: import functools
  import numpy
  import matplotlib
  from matplotlib import _api, cbook
  import matplotlib.patches
  from matplotlib.path import Path
  from mpl_toolkits.axes_grid1.parasite_axes import host_axes_class_factory
  from .None import axislines, grid_helper_curvelinear
  from .axis_artist import AxisArtist
  from .grid_finder import ExtremeFinderSimple
label_desc: Use image node_id 2 for calling the GridHelperCurveLinear obj's underlying member method code with example usage: obj.get_data_boundary(side) and returns: dict