Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!dinghy.cis.ohio-state.edu!wilcox From: wilcox@dinghy.cis.ohio-state.edu (Patricia P Wilcox) Newsgroups: comp.graphics Subject: Re: Hologram. Keywords: COMPUTER GENERATED HOLOGRAM Message-ID: <80132@tut.cis.ohio-state.edu> Date: 6 May 90 21:51:31 GMT References: <511@lily.warwick.ac.uk> <11165@bsu-cs.bsu.edu> <1990May5.144845.26503@ux1.cso.uiuc.edu> Sender: news@tut.cis.ohio-state.edu Reply-To: Patricia P Wilcox Organization: Ohio State University Computer and Information Science Lines: 13 In article <1990May5.144845.26503@ux1.cso.uiuc.edu> mcdonald@aries.scs.uiuc.edu (Doug McDonald) writes: >At 1000 lines per inch you could indeed generate a hologram. But >it would be like looking through a pipe an inch in diameter and >a foot long. You need at least 15000 lines per inch, preferably 50000, >for a nice wide window. It's easy! Just generate your hologram at 1000 lines per inch and about 50 times the size of the desired final product -- then photo-reduce it to film with a high-quality camera. A printer's copy camera would probably work fine (find a printer who specializes in large maps). --Pat Wilcox (wilcox@cis.ohio-state.edu)