class_docstr: Simple Gaussian filter.
class_docstr_tok: ["Simple","Gaussian","filter","."]
code: def __init__(self, sigma, alpha=0.5, color=(0, 0, 0)):
      self.sigma = sigma
      self.alpha = alpha
      self.color = color
  
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 1 to create a new GaussianFilter object from inherited base classes: BaseFilter with example: obj = GaussianFilter(sigma, alpha, color)