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RE: 3D Content-creation Applications use with VR920 ???

Notown.dk — Wed, 31 Oct 2007 02:09:39 GMT

Well first of all you only have 1xVGA cable and 1xUSB cable to the VR920. That's the first problem, how will you fit 1xVGA cable to two VGA outputs?

Secondly the screens in the VR920 shows the same picture, that means that both screens uses the input from the VGA cable. That means that you have to separate those two screens from eachother by disasembling the VR920, taking the connectors to the two screens and make two new VGA cables, one for each screen. That wouldn't be recommenable, since you for instance would lose the warranty:/

Why on earth do you wan't to do this, I see now apparent reason to do this? Since it would proable look like your two VGA output would overlap eachother, so you would get one messed up picture?

Also, I actually don't think that it would be possible to separate the two monitors without loosing many of the features in the VR920, but that you have to ask Todd (TechSupport) about.

RE: 3D Content-creation Applications use with VR920 ???

shokan — Tue, 30 Oct 2007 18:02:06 GMT

Ok, probably won't work. Just so I know how to pursue this line , or not, what is it that might prevent that from working (connecting each screen cable to each cable from PC)?

Thanks.

RE: 3D Content-creation Applications use with VR920 ???

Notown.dk — Tue, 30 Oct 2007 15:12:42 GMT

Shokan, no it won't work since you only have one VGA input in your VR920.... Else, you should disassemble your glasses and connect one monitor to one VGA cable and the other to another but still... Don't think it would work.

RE: 3D Content-creation Applications use with VR920 ???

CarlKenner — Tue, 30 Oct 2007 13:58:46 GMT

No, of course not.

RE: 3D Content-creation Applications use with VR920 ???

shokan — Tue, 30 Oct 2007 11:52:20 GMT

I've got another question:

I want one PC to send a signal to the left VR920 goggle screen and a second PC to send its signal the right VR290 goggle screen. Too long to explain why here right now. Will this work, a straight shot of each signal into each screen, treating each screen as a seperate monitor? no stereo synthesizing, no special drivers.

RE: 3D Content-creation Applications use with VR920 ???

v3ry — Tue, 30 Oct 2007 10:43:56 GMT

I see good news here:

[url]http://forums.nvidia.com/index.php?showtopic=49834[/url]

RE: 3D Content-creation Applications use with VR920 ???

CarlKenner — Mon, 29 Oct 2007 23:55:37 GMT

Don't expect wonders from the VR920 SDK. I couldn't get it to work. I could get it to draw something very very simple to both screens individually, but I had no control over which eye it went to. And if it took too long to draw (which it always will do when it has to access the hard disk or anything) the eyes will swap. The JPS sample application did actually draw to the correct eyes (although it wouldn't display any of the JPS files that I tried it with, it only loaded the included file), but only in fullscreen mode. In window mode it didn't work at all.

As a general rule of thumb, only nVidia has the power to talk to each eye seperately. Because it needs to be done from the graphics driver level. It can't be done from DirectX or OpenGL.

The is a secret nvidia stereo SDK hidden somewhere on the internet that will allow people to render to each eye seperately from DirectX using the nvidia stereo driver, but I don't know where it is. It is not the same as the nvidia stereo api.

Anyway, nvidia don't have a stereo driver for Vista, so no stereo for me.

I just wish companies would stop making hardware that requires page-flipping stereo. ANY other kind of stereo interface is not only possible to do from Direct3D, it is dead easy. For example, if it could accept 640x960 with the left eye on top and the right eye underneath, then anyone could get stereo working.

RE: 3D Content-creation Applications use with VR920 ???

cybereality — Mon, 29 Oct 2007 15:51:45 GMT

I am very interested in the same thing. Specifically I would like to use 3d studio max 8+ with real-time stereo 3d preview. It seems like such an obvious feature but no one has stepped up to make a driver. I believe there was a driver a few years back for use w/ 3dmax5 and the quadtro cards but I don't think its supported anymore. I believe this could be an entire new market for the VR920 or other 3d headsets if this feature were supported and marketed properly. Especially in the game industry where many modelers use $2000 Cintique tablets and $300 space-balls.

From my understanding, the nvidia stereo 3d driver works only in fullscreen mode, so I don't think that will work. I remember reading how the VR920 SDK would allow direct access to the stereo capabilities. I guess it might be possible to make a plugin for 3dmax/maya, but I wouldn't really know where to start. If someone could get this to work, I think a lot of people would benefit. Modeling in 3d on a 3d screen to sort of like painting a color illustration in photoshop on an old-school green and black screen and printing every time you want to see it in color. Sure, you could do it, but it sucks.

RE: 3D Content-creation Applications use with VR920 ???

CarlKenner — Sun, 28 Oct 2007 22:47:10 GMT

It has nothing to do with the hardware.

Programs need to work with the nVidia stereoscopic driver, and you need an nVidia graphics card.

Then it will work on all 3D stereo hardware, including anaglyph 3D glasses.

The nVidia stereo driver only supports Direct3D or OpenGL FULLSCREEN applications. And it only supports XP.

3D Content-creation Applications use with VR920 ???

shokan — Sat, 27 Oct 2007 13:01:46 GMT

Hello,

First time on this site forum.

I am not a gamer. I want to model in 3D stereo and see it AS I MODEL. So far, I have been looking into the following:

1) IZ3D stereo LCD monitor (19" or 22"). This monitor will display graphics that are rendered using the Direct3D (X) API. Very few 3D content creation programs use DirectX for their working viewports. They are almost all OpenGL-based programs, but some of these use DirectX to display what you are working on in the viewport. The ones I have found that do this are, but not limited to: 3DSMax, trueSpace, Maya, XSI, 3D-Brush, Metasequoia LE, Moment of Inspiration, 3DCanvas (maybe). Targeted at gamers, the monitor uses polarized glasses and is around $1000.

2) Zalman ZM-M190 stereo LCD monitor (19", I think). I have not yet found out what type of content it will display, but since it also is targeted at gamers primarily, I would assume it displays DirectX driven graphics in stereo, at least. It uses polarized glasses and is said to sell for around $500. I have not been able to get an answer about particulars regarding my purposes from the company.

3) Anaglyph option for real-time modeling in a 3D content-creation program. I have, surprisingly, discovered only one that has this option. It is called Archipelis and can make very quick 3D objects by simply sketching a closed line, either freehand or by tracing a photograph then applying the photo texture. Please note that this option is for actually seeing in stereo 3D AS YOU MODEL, rather than any kind of static output using a preview window or by post-processing using an anaglyph plugin, anaglyph creation program or 2D program such as Photoshop for red/green pair production. So, this is the only program I have found that fits my bill.

4) Goggles that use miniature screens. Among these products, one is VR920.

Sooooo... I would like to know what is required for use of the VR290 with 3D content-creation programs. Specifically, which software could be used with the VR290 so that I can model while seeing stereo. Most of these programs have any-position mulitple camera views capability. I assume I need a dual output STL card... such as what, for example? And what do I need to look for in a program to know if it would be suitable for stereo viewing of modeling in real-time using VR290? I am particularly interested in the feasiblility of the following programs: ZBrush, Modo 301, Mudbox, Blender, trueSpace, Carrara Pro.

Thanks very much.

P.S. There may be a lot of 3D creation people out there who could jump at this, if it is feasible with some of the more mainstream content-creation applications.