text: """
  Picture in picture plotting
  """
  from vtkplotter import plot, show
  import numpy as np
  
  x = np.arange(0, 4, 0.1)
  y1 = 3*np.exp(-x)
  y2 = 3*np.exp(-x)*np.cos(2*x)**2
  
  axes_opts = dict(numberOfDivisions=3, xyPlaneColor='lavender', xyAlpha=1)
  
  # Build first plot and its axes:
  plt1 = plot(x, y1,
              title=__doc__,
              xtitle='time in seconds',
              ytitle='some function [a.u.]',
  )
  
  # Build second plot and its axes:
  plt2 = plot(x, y2,
              title='my second plot',
              xtitle='time in seconds',
              ytitle='some other function',
              lc='red',
              pad=0,          # no margins
              axes=axes_opts,
  )
  
  # Scale the plot2 to make it small
  #  and position it anywhere in the scene:
  plt2.scale(0.5).pos(2, 1.4, 0.01)
  
  show(plt1, plt2, viewup='2d')
  
  