A method of producing an image for viewing by {TAIL ~ an eye} in an image field with {HEAD ~ a portable head mounted display}, comprising the steps of: 
A method of producing an image for viewing by { TAIL ~ an eye } in an image field with { HEAD ~ a portable head mounted display } , comprising the steps of :
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH