class_docstr: Rada graph class
class_docstr_tok: ["Rada","graph","class"]
docstr: Add extra values to fill the line
docstr_tok: ["Add","extra","values","to","fill","the","line"]
code: def _fill(self, values):
      """Add extra values to fill the line"""
      return values
  
file_path: pygal/pygal/graph/radar.py
imports: from math import cos, pi
  from pygal.adapters import none_to_zero, positive
  from pygal.graph.line import Line
  from pygal.util import cached_property, compute_scale, cut, deg, truncate
  from pygal.view import PolarLogView, PolarView
label_desc: Use image node_id 2 for calling the Radar obj's underlying member method code with example usage: obj._fill(values) and returns: values