10 StereoGraphics CE-3 on ebay, not mine, US only

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canavan
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10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby canavan » Tue May 01, 2012 10:52 am

I only really wanted two, but ebay doesn't let me bid anyway:
http://www.ebay.com/itm/380434659284

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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby mopar5150 » Tue May 01, 2012 10:58 am

I am bidding on them and I will sell you two if I win the auction.
If the thing isn't on fire it's a software problem.

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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby sgifanatic » Tue May 01, 2012 12:27 pm

mopar5150, would you consider signing me up for one (or two) also in case you win? I won't bid... and since all the SGI folks are pretty much here on nekochan, I think this will come through for you :-)
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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby guardian452 » Tue May 01, 2012 12:49 pm

I might be interested in one as well :)

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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby robespierre » Tue May 01, 2012 2:27 pm

You have a PM.
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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby mopar5150 » Wed May 02, 2012 10:01 am

I only need two and will let you guys have the rest for whatever they cost me.
If the thing isn't on fire it's a software problem.

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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby sgifanatic » Wed May 02, 2012 10:40 am

Thanks so much!
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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby smj » Wed May 02, 2012 10:49 am

Oh, what the hell - in for a pair. I can always figure out the emitter side later...
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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby 4130photo » Wed May 02, 2012 12:40 pm

Same for me, i always wanted to play around with one of these...
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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby mopar5150 » Thu May 03, 2012 9:21 am

Ok guys I won the auction and will need to check my PMs and the posts to see how to give them out. They will be $13 plus shipping.
If the thing isn't on fire it's a software problem.

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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby guardian452 » Thu May 03, 2012 2:54 pm

I am just dying to try this out
http://xkcd.com/941/

I'll have to find a CRT monitor first, but that shouldn't be too difficult ;)

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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby hamei » Fri May 04, 2012 1:16 am

This looks kind of interesting :

http://www.vr21.net/TECHNOLOGY.html

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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby robespierre » Fri May 04, 2012 10:03 am

yeah I've seen those at SIGGRAPH. a lot of data/screen area is wasted for views facing where there are no people—it makes the most sense for public displays and installations.

More impressive are multilayer displays—I think there was one with a thousand layers. Very heavy horsepower required for realtime displays...

here's a cool link: http://web.media.mit.edu/~dlanman/resea ... index.html
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canavan
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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby canavan » Sun May 06, 2012 7:25 am

regarding the Emitter, you may be able to build your own, a simple one should be possible with only a few components, i.e. 2 555 timers and a few transistors, IR diodes etc. If my analysis is correct, you just need a 50us IR pulse when the 3d Sync signal goes down, and a 125us pulse when it goes up. Using a microcontroller to enable adjustable delay by +- a few microseconds would be nice, especially negative "delays" would be useful to prevent the top of the screen from darkening in some modes.
Image
Image
Image

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Re: 10 StereoGraphics CE-3 on ebay, not mine, US only

Unread postby recondas » Sun May 06, 2012 8:12 am

Here's a couple of photos of an StereoGraphics CrystalEyes emitter (though not the ESGI model):
DSCN9757.JPG
DSCN9756.JPG
Nine-Pin serial connection on this model - the pinout is available on the nekowiki or TechPubs.
DSCN9754.JPG
DSCN9755.JPG


There's a PDF version of the StereoGraphics Developer's Handbook that includes some interesting background info http://www.cs.unc.edu/Research/stc/FAQs ... ndbook.pdf
StereoGraphics wrote:SGI’s high-end machines, the Onyx® and Crimson® lines, may be
configured to run square-pixel windowed stereo with separate
addressable buffers for left and right eye views, at 960x680 pixels per eye
(108 fields per second). This does not require any more pixel memory
than already exists to support the planar 1280x1024. Some SGI highend
computers have additional display RAM available, and they can
support other square-pixel windowed stereo resolutions, though higher
resolutions come at the expense of field rate. For example, such high-end
high-display-memory SGI systems support 1024x768 pixels per eye but
only at 96 fields per second, which is high enough to have a flicker free
effect for all but very bright images.
As well as a data sheet for the CrystalEyes 3 glasses that are the focus of this thread: http://old.mfb-geo.com/pic/pdf/brochure ... l_eyes.pdf
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