- 質問日時：2009/05/25 13:11
In Scanimate's video mode, the CRT displaying the animation was re-scanned by a monochrome camera running at NTSC or PAL video rates. This camera fed an analog "colorizer", which implemented a smooth mapping of gray scale values into colors. Scanimate's output was colorful, extremely smooth moving, and surprisingly flexible and diverse in the variety of its effects. Dolphin Productions in New York City produced a lot of this type of "Scanimation" that appeared on PBS's "Sesame Street" and "The Electric Company".
Scanimate's video mode was generaly of more interest than the film mode, because clients could bring in a logo, have it animated, interact with the animator programming the Scanimate, get exactly what they wanted, and walk out a few hours later with a finished product ready for air. In the late seventies and early eighties, most animation was either hand-drawn or done painstakingly with stop-motion streak techniques. This "real-time" capability was unheard of, and was even incorporated live in the 1978 Grammy Awards presentation.
Computer Image had developed the Scanimates and had attracted various investors, including the Smothers Brothers, who used some of its imagery on their television show. I'm told that at one point Beatle Ringo Starr was on a plane to Denver ready to buy a Scanimate, but another British businessman beat him to it by a couple of hours. By the mid-seventies, a variety of customers had discovered the capabilities of Scanimate, and would fly to Denver to do work at the Computer Image Studios.
In 1977, Computer Image decided it could find a larger market by having a facility in Hollywood, so it borrowed heavily and set up a new company, Image West, Ltd. at 845 N. Highland Avenue. I'm told that the company, while very good technically, did not know the Hollywood market well, and was eventually foreclosed by its bank. The bank then approached Computer Image's largest customer, the Canadian Omnibus, Inc. and offered to have them take over Image West. Omnibus agreed, and operated the company until 1982 when it sold Image West and went on to form Omnibus Computer Graphics Inc., using digital technology licensed from the New York Institute of Technology. Image West continued to operate Scanimates until 1986 when it discontinued operations.
Analog computers tend to have problems with drift, noise, and less precision, than their digital counterparts. For the Scanimates, this meant that their interactivity remained unparalleled, but the image quality obtained by re-scanning raster images could not stand up to the clean digital images that were being calculated ever more rapidly using digital computers and framebuffer technology.
A 回答 (2件)
- 回答日時：2009/05/25 17:52
- 回答日時：2009/05/25 13:59
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