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Old 02-23-2004, 08:11 AM
Plasma Plasma is offline
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Join Date: Jan 2004
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Stereoscopy

I'm trying to use frame-parallel stereo. I have a dual-channel video card (nVidia GeForce 4 Ti 4800SE) and a Virtual Research V6 HMD. I have two displays connected to the card and Windows is recognizing both with no problem. However, when I run the program, Vizard sends both signals to the primary monitor in a split screen configuration.

I read in the online manual that if there are two monitors connected then Vizard should send one eye's signal to each. What am I doing wrong here?

Thanks!
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Old 02-23-2004, 08:23 AM
mspusch mspusch is offline
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Join Date: Feb 2003
Posts: 211
Hi,

Three other parameters would be nice to know: a)your operating system b)your current version of Vizard c) the version of your nVidia graphics card driver

If Vizard is not stretching the output over the two monitors, this usually means that the 'horizontal span' mode is not activated in your nVidia driver. Please have a look at our nVidia driver support page at

http://www.worldviz.com/support/hardware_faqs.html

If you don't use the nVidia horizontal span mode, you will also notice that the frame rates for your simulation will drop significantly, as the 'Windows way' of handling dual monitor support does NOT provide proper openGL acceleration for both screens.

Hope that helps,

Matthias
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Old 02-23-2004, 08:32 AM
Plasma Plasma is offline
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Join Date: Jan 2004
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1. My operating system is Windows XP Professional Version 2002, Service Pack 1.

2. My version of Vizard is 2.14

3. My nVidia video driver version is 6.13.10.4230

I'll look into the horizontal span feature.

Thanks!
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