class_docstr: Apply LightSource filter
class_docstr_tok: ["Apply","LightSource","filter"]
code: def get_pad(self, dpi):
      return self.gauss_filter.get_pad(dpi)
  
imports: import matplotlib.pyplot
  import numpy
  from matplotlib.artist import Artist
  import matplotlib.cm
  from matplotlib.colors import LightSource
  import matplotlib.transforms
label_desc: Use image node_id 2 for calling the LightFilter obj's underlying member method code with example usage: obj.get_pad(dpi) and returns: self