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GianCarlo

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Posted on Tuesday, January 11, 2005 - 8:13 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Does anyone know if a Nvidia driver hack exists to flip the output to a display horizontally?
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Maart

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Posted on Wednesday, January 12, 2005 - 10:35 am:   Edit PostDelete PostView Post/Check IPPrint Post

take a look @ http://forums.stereovision.net/viewtopic.php?topic=1644&forum=1&11

Maart
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GianCarlo

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Posted on Wednesday, January 12, 2005 - 11:23 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Awesome!!! Thank you so much! I've been looking for this answer for a long time now! I'll try it when I have time. Right now I use a stereoscope with 4 front-surface mirrors, two mirrors for each monitor - pretty heavy. But now I can probably figure a way to do it very easily with just one mirror! Cool.
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Maart

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Posted on Thursday, January 13, 2005 - 12:04 pm:   Edit PostDelete PostView Post/Check IPPrint Post

i need to find a way to do this with lcd monitors, because of the internal polarisation of the screens, then just one "half transparent mirror" (used also in teleprompters) to create a stereo display, the only thing I've could find that would work with nvidia ddrivers was a hardware solution that is a scan converter that flips the image horizontaly in real-time but this is a sollution wich is too complicated and expensive for this problem. any idea's anyone?

Maart
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Alexander Oest

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Posted on Wednesday, January 19, 2005 - 11:09 pm:   Edit PostDelete PostView Post/Check IPPrint Post

I tried to contact nVidia back in November in order to persuade them to add a mirroring/horizontal flipping feature. The only email address I could find was Brian Burke, bburke@nvidia.com, so I wrote him.

I had no reply. Didn't actually expect any, but this feature would be too cool not to try. Anyone know who at nVidia to mail?

Alex

Here's what I wrote:

Dear Mr. Burke

Sorry for the inconvenience, but yours was the only stereoscopy-related address of an nVidia employee I could find. Please pass this suggestion along to the relevant department or person if you're not the one.

I'm a fond user of you stereoscopic driver and appreciate the many different modes of stereoscopy, it supports. There is, however, one feature, which I miss: When using the dual VGA output stereo mode, it would be useful to be able to mirror or flip one of the outputs. That would make it possible to use the stereo capabilities in a cheap but high-quality single-mirror dual monitor setup. An example can be seen at http://www.crystalcanyons.net/Pages/TechNotes/DualMonitorDigitalViewing.shtm

I sincerely hope you will take my suggestion into consideration. It would add a very cheap, crisp and ghost-free stereo mode to your already impressive driver.

Allowing to flip both outputs, by the way, would allow for even further advanced monitor configurations.
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GianCarlo

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Posted on Thursday, January 20, 2005 - 4:18 am:   Edit PostDelete PostView Post/Check IPPrint Post

I wrote nvidia about the same thing, too, just using some email address off their site. No response of course.

so I just recently reversed one of my monitors' horizontal deflection circuits as mentioned on the forum mentioned above: http://forums.stereovision.net/viewtopic.php?topic=1644&forum=1&11

So that's the solution for now I guess. It works for me. Unfortunately I find nvkeystone too blurry to use to restore one of my monitors to normal when I'm not gaming. nvkeystone seems to be a quick-and-dirty program for low-res projection distortion fixes. It's great for that, but it's really outdated for hi-res projectors. I can see how doign a custom realtime warping of your screen could blur and slow down your image a bit, but there's no reason simple adjustments like reversing an axis should do that. They really should tell some intern coder to fix it!

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