Hi Andy,
Is this the effect which you want?
Code:
import viz
viz.go()
box = viz.add('box.wrl', pos=[0,0,0])
plan = viz.add('tut_ground.wrl')
mySensor = viz.add( 'testtrack_all.dls' )
link = viz.link(mySensor, box, mask=viz.LINK_ORI)
link.preScale([1,0,0], target = viz.LINK_ORI_OP)
viewLink = viz.link(link, viz.MainView)