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From: tagreen@lothario.ucs.indiana.edu (Todd Green)
Newsgroups: comp.sys.amiga.misc
Subject: Re: Mac can emulate amiga&has over 1,000,000 colors
Message-ID: <1991Apr9.221315.12127@bronze.ucs.indiana.edu>
Date: 9 Apr 91 22:13:15 GMT
References: <1991Apr1.185501.6295@ccu.umanitoba.ca> <erk.1744@americ.UUCP> <1991Apr9.040415.27315@minyos.xx.rmit.oz.au>
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In article <1991Apr9.040415.27315@minyos.xx.rmit.oz.au> s902255@minyos.xx.rmit.oz.au (Andrew Vanderstock) writes:
>>>>HOWEVER,
>>>>   This ignorant fellow, ruffled as he was, insisted many times that a
>>>>certain, top of the line, newly released mac had over 1,000,000 colors,
>
>I know of no macs that have *motherboard* 24 bit colour cards, not even the
>new Mac IIfx. You have to buy the extra colours for extra $$$ (and that's a
>lot in anyone's language!)
>
>All 256+ colour boards for the Mac which claim to have 24+ bits of colour
>resolution only have 24 bits of colour resolution. IE 16,000,000 (and a 
>bit) colours to choose from. The extra bits are used for tag information or
>an alpha buffer.
>
>>Hello,
>>     From what I remember from "Computer Graphics World" magazine, Mac users
>>can buy 32 bit graphics cards (don't ask me how many colours that is, but
>>it's a lot  2^32).  These, obviously, cost just tons of money, and are strictly
>        ^^^
>No it isn't. See above reason.
>
>>for graphics professionals.
>
>It shouldn't be. The Video DACs are only slightly more expensive than the
>6 bit ones present in many (cheap) VGA and SVGA clones. Mac accessory
>products are charged like a wounded bull, and have very little reason for
>being so expensive other than the Mac is expensive too.
> The only other reason that I can see for an expensive price is :
>  cost of the video ram, for a 1024*768 image requires 768k of video ram.
>
>>>          Colin Stobbe
>
>>That's 4.3 Billion colors. If you ask me it's a waste of money. Consider that
>>the Human eye can only percieve ~7 Million colors at the peak of health. That's
>>a 613 X overkill. All hype. ;)
>Yep. Even 16,000,000 million colours is overkill, but clearly it is better
>than the number of colours that VGA can display (256 out of 256,000).
>
>>--
>>Erick Parsons, Sacramento  erick@sactoh0.sac.ca.us <-- Right off the freeway  --
>>{ames att sun }!pacbell!sactoh0!pacengr!americ!erk <-- At the end of the road --
>OzFuzzy (aka Andrew Vanderstock)
>s902255@minyos.xx.rmit.oz.au
>The opinions expressed here are my own and (probably) not representative of
>RMIT's opinion, if it had one.

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