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MarkB

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Posted on Sunday, July 18, 2004 - 9:47 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Hi, this is a very interesting forum. I've been fiddling around with stereo 3D since I worked at Silicon Graphics (SGI) about 8 years ago.
Can someone please explain why shutter glasses wouldn't work with a 60Hz TFT screen. Here's my logic:
I have Nvidia Stereo drivers. If I use page flipping, won't I get a 30Hz (admittedly not ideal) picture: left eye blanked out - right eye gets image, 1/60 sec later reverse process etc. I thought that's how it worked. I use DVI so I'm sure there'd be problems with interaced methods, but why not page flipping? I read some people mentioning polarisation. I'd be grateful for some insight.
Thanks.
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Peter Wimmer

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Posted on Monday, July 19, 2004 - 6:13 pm:   Edit PostDelete PostView Post/Check IPPrint Post

TFT panels cannot switch fast enough. When you watch pageflipped 3D on a LCD screen, left and right image get blended together.
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markb

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Posted on Tuesday, July 20, 2004 - 1:49 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Aaah. A simple matter of physical limitations, eh? Ok, at least that explains it.
A related question - it it possible to do stereo in a window using the Anaglyph method when viewing an OpenGL model with a CAD system e.g. SolidWorks.
Thanks.
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M.H.

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Posted on Wednesday, July 21, 2004 - 8:16 am:   Edit PostDelete PostView Post/Check IPPrint Post

markb:
Answer on related question: NO. You need to export the model in some format supported by general stereoscopic model visaulisation software - e.g. QuadroView or some TGS products.

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