code: def _clip_grid_lines_and_find_ticks(self, lines, values, levs, bb):
      gi = dict()
      gi["values"] = []
      gi["levels"] = []
      gi["tick_levels"] = dict(left=[], bottom=[], right=[], top=[])
      gi["tick_locs"] = dict(left=[], bottom=[], right=[], top=[])
      gi["lines"] = []
  
      tck_levels = gi["tick_levels"]
      tck_locs = gi["tick_locs"]
      for (lx, ly), v, lev in zip(lines, values, levs):
          xy, tcks = clip_line_to_rect(lx, ly, bb)
          if not xy:
              continue
          gi["levels"].append(v)
          gi["lines"].append(xy)
  
          for tck, direction in zip(
              tcks, ["left", "bottom", "right", "top"]
          ):
              for t in tck:
                  tck_levels[direction].append(lev)
                  tck_locs[direction].append(t)
  
      return gi
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import numpy
  from matplotlib.transforms import Bbox
  from .None import clip_path
  import matplotlib.ticker
  from matplotlib.transforms import Transform
label_desc: Use image node_id 4 for calling the GridFinderBase obj's underlying member method code with example usage: obj._clip_grid_lines_and_find_ticks(lines, values, levs, bb) and returns: gi