class_docstr: Gaussian smoothing filter.
class_docstr_tok: ["Gaussian","smoothing","filter","."]
code: def processData(self, data):
      sigma = self.ctrls["sigma"].value()
      try:
          import scipy.ndimage
  
          return scipy.ndimage.gaussian_filter(data, sigma)
      except ImportError:
          return pgfn.gaussianFilter(data, sigma)
  
imports: import numpy
  from ...None import Point, PolyLineROI
  from ...None import functions
  from ...None import metaarray
  from .None import functions
  from .common import CtrlNode, PlottingCtrlNode, metaArrayWrapper
label_desc: Use image node_id 1 for calling the Gaussian obj's underlying member method code with example usage: obj.processData(data) and returns: scipy, pgfn