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From: logajan@ns.network.com (John Logajan)
Subject: Re: Graphics on the STE - v. generally speaking...
Message-ID: <1991Apr3.202730.6648@ns.network.com>
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Organization: Network Systems Corporation
References: <1991Apr3.004047.511@jato.jpl.nasa.gov> <1991Apr3.055519.2322@ns.network.com> <1991Apr3.055821.2405@ns.network.com>
Date: Wed, 3 Apr 91 20:27:30 GMT

>>one frame-pixel in one of 8 possible levels.  Or one at level 6 and
>>the other in 7 possible levels, etc .. 8+7+6+5+4+3+2+1=36 levels per
>>color, or 46,656 possible colors to choose from.
>
>Oops, many of those combinations are redundant upon averaging.
>So you really have less.

Far less!  You get 15 non-redundant intensity levels by swapping
two frames.  Thus giving you 3375 colors (a subset of which is
the 15 shades of grey) to choose from, but you still can only 
pick from 32 pallette cells per scan line (or zone.)


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- John Logajan @ Network Systems; 7600 Boone Ave; Brooklyn Park, MN 55428
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