code: def mmGetCellActivityPlot(self, title="", showReset=False,
                              resetShading=0.25, activityType="activeCells"):
      
  
      cellTrace = copy.deepcopy(self._mmTraces[activityType].data)
      for i in xrange(len(cellTrace)):
        cellTrace[i] = self.getCellIndices(cellTrace[i])
  
      return self.mmGetCellTracePlot(cellTrace, self.numberOfCells(),
                                     activityType, title, showReset,
                                     resetShading)
docs: Returns plot of the cell activity.
  
      @param title        (string)  an optional title for the figure
  
      @param showReset    (bool)    if true, the first set of cell activities
                                    after a reset will have a gray background
  
      @param resetShading (float)   if showReset is true, this float specifies the
                                    intensity of the reset background with 0.0
                                    being white and 1.0 being black
  
      @param activityType (string)  The type of cell activity to display. Valid
                                    types include "activeCells"
  
      @return (Plot) plot