class_docstr: Simple Gaussian filter.
class_docstr_tok: ["Simple","Gaussian","filter","."]
code: def get_pad(self, dpi):
      return int(self.sigma * 3 / 72 * 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 GaussianFilter obj's underlying member method code with example usage: obj.get_pad(dpi) and returns: int