The following code uses a post-process effect to horizontally flip the final rendered image:
Code:
#Flip rendered image horizontally
flipWindow = viz.addWindow(size=(1,1),pos=(0,1),clearMask=0,order=100)
flipWindow.setView(viz.addView(scene=viz.addScene()))
import vizfx.postprocess.manager as pp
from vizfx.postprocess.transform import FlipEffect
pp.getEffectManager(flipWindow).setRenderBufferMode(pp.READ_FRAME_BUFFER)
pp.addEffect(FlipEffect(horizontal=True),window=flipWindow)