From: Brian Corrie (brian.corrie++at++newmic.com)
Date: 02/07/2002 16:40:23
Hi Dan, how is it going???
Volodymyr, Fakespace sells "digital" caves now, so they will probably be able
to talk to you about the quality of the mirror required. I thought that EVL
had a "digital" CAVE if I remember the news release from a few months ago
correctly. I can't remember where I saw the new release tho, sorry. They are
just up the road so you could probably go have a look at theirs if they do
indeed have one...
Unfortunately, I think the visible pixels are the tradeoff for the bright
projector. There is something to be said for those hard to focus CRT
projectors, blurred pixels 8-)
Cheers,
Brian
> -----Original Message-----
> From: Dan Johnston [mailto:dan.johnston++at++nrc.ca]
> Sent: Thursday, February 07, 2002 8:41 AM
> To: kindr++at++ncsa.uiuc.edu
> Cc: info-performer++at++sgi.com
> Subject: Re: 3D projectors
>
>
> Volodymyr Kindratenko wrote:
>
> > Dan,
> >
> > Thank you for the reply. I will definitely look at
> DLPs, but at the moment
> > I see 3 problems with them:
> >
> > - high cost
> > - the need to replace our Mylar's mirrors as they are not
> perfect enough for
> > such a bright projectors
> > - visible pixels on the screen
> >
>
> Yep!
> - cost is high for now - over $70K (US) for unit I saw. It
> was not so bad when your 4 pipe computer was a
> couple of million, but now a 4-pipe ONYX 300 is
> just over $100K.
>
> - we didn't demo it off a mirror, and our mirrors
> in CAVE and wall are glass - so I don't know
>
> - Yes. You get lots of square pixels, and the anti-aliasing
> will only help some.
>
> --
> ___|__ |
> / | \ ||\ Daniel (Dan) Johnston
> /___|___\ || \ Dan.Johnston++at++nrc.ca
> _____|____ || \ National Research Council of Canada,
> London, ON
> | | | || \ Integrated Manufacturing
> Technologies Institute
> \___| | | ||____\ Tel: (519) 430-7081 Fax: (519) 430-7090
> \_o_\___|____|_|______\_ Inst: http://www.nrc.ca/imti
> \ o / These opinions are my own! Not those of NRC.
> \________________/ Virtual Reality:
> http://www.nrc.ca/imti/vetc/home.html
> More Tall Ships - Fewer Computers!
>
>
>
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