new_contents: from org.myrobotlab.opencv import OpenCVFilterAffine
  
  affine = OpenCVFilterAffine("affine")
  affine.setAngle(180.0)
  
  leftPort= "/dev/cu.wchusbserial1450" 
  i01 = Runtime.start("i01","InMoov")
  headTracking = i01.startHeadTracking(leftPort)
  eyesTracking = i01.startEyesTracking(leftPort,10,12)
  i01.headTracking.addPreFilter(affine)
  i01.eyesTracking.addPreFilter(affine)
  sleep(1)
  i01.headTracking.faceDetect()
  i01.eyesTracking.faceDetect()
  
subject: Create PreFilterExample.py