class_docstr: Internal helper for `~.grid_helper_curvelinear.GridHelperCurveLinear`, with
  the same constructor parameters; should not be directly instantiated.
class_docstr_tok: ["Internal","helper","for","`","~.grid_helper_curvelinear.GridHelperCurveLinear","`",",","with","the","same","constructor","parameters",";","should","not","be","directly","instantiated","."]
code: def _get_raw_grid_lines(
      self, lon_values, lat_values, lon_min, lon_max, lat_min, lat_max
  ):
      lons_i = np.linspace(lon_min, lon_max, 100)  # for interpolation
      lats_i = np.linspace(lat_min, lat_max, 100)
  
      lon_lines = [
          self.transform_xy(np.full_like(lats_i, lon), lats_i)
          for lon in lon_values
      ]
      lat_lines = [
          self.transform_xy(lons_i, np.full_like(lons_i, lat))
          for lat in lat_values
      ]
  
      return lon_lines, lat_lines
  
imports: import numpy
  from matplotlib import ticker, _api
  from matplotlib.transforms import Bbox, Transform
label_desc: Use image node_id 4 for calling the GridFinder obj's underlying member method code with example usage: obj._get_raw_grid_lines(lon_values, lat_values, lon_min, lon_max, lat_min, lat_max) and returns: lon_lines,  lat_lines