Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/5/84; site umn-cs.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxn!ihnp4!stolaf!umn-cs!goldman From: goldman@umn-cs.UUCP (Matthew D. Goldman ) Newsgroups: net.tv.drwho Subject: Re: Visual Effects in Credits Message-ID: <813@umn-cs.UUCP> Date: Mon, 30-Sep-85 12:06:53 EDT Article-I.D.: umn-cs.813 Posted: Mon Sep 30 12:06:53 1985 Date-Received: Thu, 3-Oct-85 03:52:44 EDT References: <5162@allegra.UUCP> Reply-To: goldman@umn-cs.UUCP (Matthew D. Goldman ) Organization: Demolitions Training Corporation Lines: 28 In article <5162@allegra.UUCP> don@allegra.UUCP (Don Mitchell) writes: >Does anyone know how the visual effects in the Dr. Who opening and >closing credits were done? The early shows (Hartnell to middle >Pertwee) show a wavy pattern which looks like video feedback (what you >get if you point the camera into the monitor). The psychedelic-tunnel >effect at the end of more recent shows is nice. I have no guesses as >to how it was done. As I understand it, the tunnel effect is achieved very easily by changing the way the monitor is being fed the signel. A normal view is created by feeding the moniter a view line by line of pixals such that the image is formed from left to right. The tunnel view feeds in a circular motion from the center. -- ------- Matthew Goldman Computer Science Department University of Minnesota ...ihnp4!umn-cs!goldman ...stolaf!umn-cs!goldman Home is where you take your hat off... Banzai! Kyllara : What did you just do? Moederan : I don't know but it's going to be fun...